diff --git a/LNbits/static/plugins/chartjs/Chart.js b/LNbits/static/plugins/chartjs/Chart.js new file mode 100644 index 00000000..e34e08a4 --- /dev/null +++ b/LNbits/static/plugins/chartjs/Chart.js @@ -0,0 +1,3457 @@ +/*! + * Chart.js + * http://chartjs.org/ + * Version: 1.0.1 + * + * Copyright 2015 Nick Downie + * Released under the MIT license + * https://github.com/nnnick/Chart.js/blob/master/LICENSE.md + */ + + +(function(){ + + "use strict"; + + //Declare root variable - window in the browser, global on the server + var root = this, + previous = root.Chart; + + //Occupy the global variable of Chart, and create a simple base class + var Chart = function(context){ + var chart = this; + this.canvas = context.canvas; + + this.ctx = context; + + //Variables global to the chart + var width = this.width = context.canvas.width; + var height = this.height = context.canvas.height; + this.aspectRatio = this.width / this.height; + //High pixel density displays - multiply the size of the canvas height/width by the device pixel ratio, then scale. + helpers.retinaScale(this); + + return this; + }; + //Globally expose the defaults to allow for user updating/changing + Chart.defaults = { + global: { + // Boolean - Whether to animate the chart + animation: true, + + // Number - Number of animation steps + animationSteps: 60, + + // String - Animation easing effect + animationEasing: "easeOutQuart", + + // Boolean - If we should show the scale at all + showScale: true, + + // Boolean - If we want to override with a hard coded scale + scaleOverride: false, + + // ** Required if scaleOverride is true ** + // Number - The number of steps in a hard coded scale + scaleSteps: null, + // Number - The value jump in the hard coded scale + scaleStepWidth: null, + // Number - The scale starting value + scaleStartValue: null, + + // String - Colour of the scale line + scaleLineColor: "rgba(0,0,0,.1)", + + // Number - Pixel width of the scale line + scaleLineWidth: 1, + + // Boolean - Whether to show labels on the scale + scaleShowLabels: true, + + // Interpolated JS string - can access value + scaleLabel: "<%=value%>", + + // Boolean - Whether the scale should stick to integers, and not show any floats even if drawing space is there + scaleIntegersOnly: true, + + // Boolean - Whether the scale should start at zero, or an order of magnitude down from the lowest value + scaleBeginAtZero: false, + + // String - Scale label font declaration for the scale label + scaleFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", + + // Number - Scale label font size in pixels + scaleFontSize: 12, + + // String - Scale label font weight style + scaleFontStyle: "normal", + + // String - Scale label font colour + scaleFontColor: "#666", + + // Boolean - whether or not the chart should be responsive and resize when the browser does. + responsive: false, + + // Boolean - whether to maintain the starting aspect ratio or not when responsive, if set to false, will take up entire container + maintainAspectRatio: true, + + // Boolean - Determines whether to draw tooltips on the canvas or not - attaches events to touchmove & mousemove + showTooltips: true, + + // Boolean - Determines whether to draw built-in tooltip or call custom tooltip function + customTooltips: false, + + // Array - Array of string names to attach tooltip events + tooltipEvents: ["mousemove", "touchstart", "touchmove", "mouseout"], + + // String - Tooltip background colour + tooltipFillColor: "rgba(0,0,0,0.8)", + + // String - Tooltip label font declaration for the scale label + tooltipFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", + + // Number - Tooltip label font size in pixels + tooltipFontSize: 14, + + // String - Tooltip font weight style + tooltipFontStyle: "normal", + + // String - Tooltip label font colour + tooltipFontColor: "#fff", + + // String - Tooltip title font declaration for the scale label + tooltipTitleFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", + + // Number - Tooltip title font size in pixels + tooltipTitleFontSize: 14, + + // String - Tooltip title font weight style + tooltipTitleFontStyle: "bold", + + // String - Tooltip title font colour + tooltipTitleFontColor: "#fff", + + // Number - pixel width of padding around tooltip text + tooltipYPadding: 6, + + // Number - pixel width of padding around tooltip text + tooltipXPadding: 6, + + // Number - Size of the caret on the tooltip + tooltipCaretSize: 8, + + // Number - Pixel radius of the tooltip border + tooltipCornerRadius: 6, + + // Number - Pixel offset from point x to tooltip edge + tooltipXOffset: 10, + + // String - Template string for single tooltips + tooltipTemplate: "<%if (label){%><%=label%>: <%}%><%= value %>", + + // String - Template string for single tooltips + multiTooltipTemplate: "<%= value %>", + + // String - Colour behind the legend colour block + multiTooltipKeyBackground: '#fff', + + // Function - Will fire on animation progression. + onAnimationProgress: function(){}, + + // Function - Will fire on animation completion. + onAnimationComplete: function(){} + + } + }; + + //Create a dictionary of chart types, to allow for extension of existing types + Chart.types = {}; + + //Global Chart helpers object for utility methods and classes + var helpers = Chart.helpers = {}; + + //-- Basic js utility methods + var each = helpers.each = function(loopable,callback,self){ + var additionalArgs = Array.prototype.slice.call(arguments, 3); + // Check to see if null or undefined firstly. + if (loopable){ + if (loopable.length === +loopable.length){ + var i; + for (i=0; i= 0; i--) { + var currentItem = arrayToSearch[i]; + if (filterCallback(currentItem)){ + return currentItem; + } + } + }, + inherits = helpers.inherits = function(extensions){ + //Basic javascript inheritance based on the model created in Backbone.js + var parent = this; + var ChartElement = (extensions && extensions.hasOwnProperty("constructor")) ? extensions.constructor : function(){ return parent.apply(this, arguments); }; + + var Surrogate = function(){ this.constructor = ChartElement;}; + Surrogate.prototype = parent.prototype; + ChartElement.prototype = new Surrogate(); + + ChartElement.extend = inherits; + + if (extensions) extend(ChartElement.prototype, extensions); + + ChartElement.__super__ = parent.prototype; + + return ChartElement; + }, + noop = helpers.noop = function(){}, + uid = helpers.uid = (function(){ + var id=0; + return function(){ + return "chart-" + id++; + }; + })(), + warn = helpers.warn = function(str){ + //Method for warning of errors + if (window.console && typeof window.console.warn == "function") console.warn(str); + }, + amd = helpers.amd = (typeof define == 'function' && define.amd), + //-- Math methods + isNumber = helpers.isNumber = function(n){ + return !isNaN(parseFloat(n)) && isFinite(n); + }, + max = helpers.max = function(array){ + return Math.max.apply( Math, array ); + }, + min = helpers.min = function(array){ + return Math.min.apply( Math, array ); + }, + cap = helpers.cap = function(valueToCap,maxValue,minValue){ + if(isNumber(maxValue)) { + if( valueToCap > maxValue ) { + return maxValue; + } + } + else if(isNumber(minValue)){ + if ( valueToCap < minValue ){ + return minValue; + } + } + return valueToCap; + }, + getDecimalPlaces = helpers.getDecimalPlaces = function(num){ + if (num%1!==0 && isNumber(num)){ + return num.toString().split(".")[1].length; + } + else { + return 0; + } + }, + toRadians = helpers.radians = function(degrees){ + return degrees * (Math.PI/180); + }, + // Gets the angle from vertical upright to the point about a centre. + getAngleFromPoint = helpers.getAngleFromPoint = function(centrePoint, anglePoint){ + var distanceFromXCenter = anglePoint.x - centrePoint.x, + distanceFromYCenter = anglePoint.y - centrePoint.y, + radialDistanceFromCenter = Math.sqrt( distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter); + + + var angle = Math.PI * 2 + Math.atan2(distanceFromYCenter, distanceFromXCenter); + + //If the segment is in the top left quadrant, we need to add another rotation to the angle + if (distanceFromXCenter < 0 && distanceFromYCenter < 0){ + angle += Math.PI*2; + } + + return { + angle: angle, + distance: radialDistanceFromCenter + }; + }, + aliasPixel = helpers.aliasPixel = function(pixelWidth){ + return (pixelWidth % 2 === 0) ? 0 : 0.5; + }, + splineCurve = helpers.splineCurve = function(FirstPoint,MiddlePoint,AfterPoint,t){ + //Props to Rob Spencer at scaled innovation for his post on splining between points + //http://scaledinnovation.com/analytics/splines/aboutSplines.html + var d01=Math.sqrt(Math.pow(MiddlePoint.x-FirstPoint.x,2)+Math.pow(MiddlePoint.y-FirstPoint.y,2)), + d12=Math.sqrt(Math.pow(AfterPoint.x-MiddlePoint.x,2)+Math.pow(AfterPoint.y-MiddlePoint.y,2)), + fa=t*d01/(d01+d12),// scaling factor for triangle Ta + fb=t*d12/(d01+d12); + return { + inner : { + x : MiddlePoint.x-fa*(AfterPoint.x-FirstPoint.x), + y : MiddlePoint.y-fa*(AfterPoint.y-FirstPoint.y) + }, + outer : { + x: MiddlePoint.x+fb*(AfterPoint.x-FirstPoint.x), + y : MiddlePoint.y+fb*(AfterPoint.y-FirstPoint.y) + } + }; + }, + calculateOrderOfMagnitude = helpers.calculateOrderOfMagnitude = function(val){ + return Math.floor(Math.log(val) / Math.LN10); + }, + calculateScaleRange = helpers.calculateScaleRange = function(valuesArray, drawingSize, textSize, startFromZero, integersOnly){ + + //Set a minimum step of two - a point at the top of the graph, and a point at the base + var minSteps = 2, + maxSteps = Math.floor(drawingSize/(textSize * 1.5)), + skipFitting = (minSteps >= maxSteps); + + var maxValue = max(valuesArray), + minValue = min(valuesArray); + + // We need some degree of seperation here to calculate the scales if all the values are the same + // Adding/minusing 0.5 will give us a range of 1. + if (maxValue === minValue){ + maxValue += 0.5; + // So we don't end up with a graph with a negative start value if we've said always start from zero + if (minValue >= 0.5 && !startFromZero){ + minValue -= 0.5; + } + else{ + // Make up a whole number above the values + maxValue += 0.5; + } + } + + var valueRange = Math.abs(maxValue - minValue), + rangeOrderOfMagnitude = calculateOrderOfMagnitude(valueRange), + graphMax = Math.ceil(maxValue / (1 * Math.pow(10, rangeOrderOfMagnitude))) * Math.pow(10, rangeOrderOfMagnitude), + graphMin = (startFromZero) ? 0 : Math.floor(minValue / (1 * Math.pow(10, rangeOrderOfMagnitude))) * Math.pow(10, rangeOrderOfMagnitude), + graphRange = graphMax - graphMin, + stepValue = Math.pow(10, rangeOrderOfMagnitude), + numberOfSteps = Math.round(graphRange / stepValue); + + //If we have more space on the graph we'll use it to give more definition to the data + while((numberOfSteps > maxSteps || (numberOfSteps * 2) < maxSteps) && !skipFitting) { + if(numberOfSteps > maxSteps){ + stepValue *=2; + numberOfSteps = Math.round(graphRange/stepValue); + // Don't ever deal with a decimal number of steps - cancel fitting and just use the minimum number of steps. + if (numberOfSteps % 1 !== 0){ + skipFitting = true; + } + } + //We can fit in double the amount of scale points on the scale + else{ + //If user has declared ints only, and the step value isn't a decimal + if (integersOnly && rangeOrderOfMagnitude >= 0){ + //If the user has said integers only, we need to check that making the scale more granular wouldn't make it a float + if(stepValue/2 % 1 === 0){ + stepValue /=2; + numberOfSteps = Math.round(graphRange/stepValue); + } + //If it would make it a float break out of the loop + else{ + break; + } + } + //If the scale doesn't have to be an int, make the scale more granular anyway. + else{ + stepValue /=2; + numberOfSteps = Math.round(graphRange/stepValue); + } + + } + } + + if (skipFitting){ + numberOfSteps = minSteps; + stepValue = graphRange / numberOfSteps; + } + + return { + steps : numberOfSteps, + stepValue : stepValue, + min : graphMin, + max : graphMin + (numberOfSteps * stepValue) + }; + + }, + /* jshint ignore:start */ + // Blows up jshint errors based on the new Function constructor + //Templating methods + //Javascript micro templating by John Resig - source at http://ejohn.org/blog/javascript-micro-templating/ + template = helpers.template = function(templateString, valuesObject){ + + // If templateString is function rather than string-template - call the function for valuesObject + + if(templateString instanceof Function){ + return templateString(valuesObject); + } + + var cache = {}; + function tmpl(str, data){ + // Figure out if we're getting a template, or if we need to + // load the template - and be sure to cache the result. + var fn = !/\W/.test(str) ? + cache[str] = cache[str] : + + // Generate a reusable function that will serve as a template + // generator (and which will be cached). + new Function("obj", + "var p=[],print=function(){p.push.apply(p,arguments);};" + + + // Introduce the data as local variables using with(){} + "with(obj){p.push('" + + + // Convert the template into pure JavaScript + str + .replace(/[\r\t\n]/g, " ") + .split("<%").join("\t") + .replace(/((^|%>)[^\t]*)'/g, "$1\r") + .replace(/\t=(.*?)%>/g, "',$1,'") + .split("\t").join("');") + .split("%>").join("p.push('") + .split("\r").join("\\'") + + "');}return p.join('');" + ); + + // Provide some basic currying to the user + return data ? fn( data ) : fn; + } + return tmpl(templateString,valuesObject); + }, + /* jshint ignore:end */ + generateLabels = helpers.generateLabels = function(templateString,numberOfSteps,graphMin,stepValue){ + var labelsArray = new Array(numberOfSteps); + if (labelTemplateString){ + each(labelsArray,function(val,index){ + labelsArray[index] = template(templateString,{value: (graphMin + (stepValue*(index+1)))}); + }); + } + return labelsArray; + }, + //--Animation methods + //Easing functions adapted from Robert Penner's easing equations + //http://www.robertpenner.com/easing/ + easingEffects = helpers.easingEffects = { + linear: function (t) { + return t; + }, + easeInQuad: function (t) { + return t * t; + }, + easeOutQuad: function (t) { + return -1 * t * (t - 2); + }, + easeInOutQuad: function (t) { + if ((t /= 1 / 2) < 1) return 1 / 2 * t * t; + return -1 / 2 * ((--t) * (t - 2) - 1); + }, + easeInCubic: function (t) { + return t * t * t; + }, + easeOutCubic: function (t) { + return 1 * ((t = t / 1 - 1) * t * t + 1); + }, + easeInOutCubic: function (t) { + if ((t /= 1 / 2) < 1) return 1 / 2 * t * t * t; + return 1 / 2 * ((t -= 2) * t * t + 2); + }, + easeInQuart: function (t) { + return t * t * t * t; + }, + easeOutQuart: function (t) { + return -1 * ((t = t / 1 - 1) * t * t * t - 1); + }, + easeInOutQuart: function (t) { + if ((t /= 1 / 2) < 1) return 1 / 2 * t * t * t * t; + return -1 / 2 * ((t -= 2) * t * t * t - 2); + }, + easeInQuint: function (t) { + return 1 * (t /= 1) * t * t * t * t; + }, + easeOutQuint: function (t) { + return 1 * ((t = t / 1 - 1) * t * t * t * t + 1); + }, + easeInOutQuint: function (t) { + if ((t /= 1 / 2) < 1) return 1 / 2 * t * t * t * t * t; + return 1 / 2 * ((t -= 2) * t * t * t * t + 2); + }, + easeInSine: function (t) { + return -1 * Math.cos(t / 1 * (Math.PI / 2)) + 1; + }, + easeOutSine: function (t) { + return 1 * Math.sin(t / 1 * (Math.PI / 2)); + }, + easeInOutSine: function (t) { + return -1 / 2 * (Math.cos(Math.PI * t / 1) - 1); + }, + easeInExpo: function (t) { + return (t === 0) ? 1 : 1 * Math.pow(2, 10 * (t / 1 - 1)); + }, + easeOutExpo: function (t) { + return (t === 1) ? 1 : 1 * (-Math.pow(2, -10 * t / 1) + 1); + }, + easeInOutExpo: function (t) { + if (t === 0) return 0; + if (t === 1) return 1; + if ((t /= 1 / 2) < 1) return 1 / 2 * Math.pow(2, 10 * (t - 1)); + return 1 / 2 * (-Math.pow(2, -10 * --t) + 2); + }, + easeInCirc: function (t) { + if (t >= 1) return t; + return -1 * (Math.sqrt(1 - (t /= 1) * t) - 1); + }, + easeOutCirc: function (t) { + return 1 * Math.sqrt(1 - (t = t / 1 - 1) * t); + }, + easeInOutCirc: function (t) { + if ((t /= 1 / 2) < 1) return -1 / 2 * (Math.sqrt(1 - t * t) - 1); + return 1 / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1); + }, + easeInElastic: function (t) { + var s = 1.70158; + var p = 0; + var a = 1; + if (t === 0) return 0; + if ((t /= 1) == 1) return 1; + if (!p) p = 1 * 0.3; + if (a < Math.abs(1)) { + a = 1; + s = p / 4; + } else s = p / (2 * Math.PI) * Math.asin(1 / a); + return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p)); + }, + easeOutElastic: function (t) { + var s = 1.70158; + var p = 0; + var a = 1; + if (t === 0) return 0; + if ((t /= 1) == 1) return 1; + if (!p) p = 1 * 0.3; + if (a < Math.abs(1)) { + a = 1; + s = p / 4; + } else s = p / (2 * Math.PI) * Math.asin(1 / a); + return a * Math.pow(2, -10 * t) * Math.sin((t * 1 - s) * (2 * Math.PI) / p) + 1; + }, + easeInOutElastic: function (t) { + var s = 1.70158; + var p = 0; + var a = 1; + if (t === 0) return 0; + if ((t /= 1 / 2) == 2) return 1; + if (!p) p = 1 * (0.3 * 1.5); + if (a < Math.abs(1)) { + a = 1; + s = p / 4; + } else s = p / (2 * Math.PI) * Math.asin(1 / a); + if (t < 1) return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p)); + return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p) * 0.5 + 1; + }, + easeInBack: function (t) { + var s = 1.70158; + return 1 * (t /= 1) * t * ((s + 1) * t - s); + }, + easeOutBack: function (t) { + var s = 1.70158; + return 1 * ((t = t / 1 - 1) * t * ((s + 1) * t + s) + 1); + }, + easeInOutBack: function (t) { + var s = 1.70158; + if ((t /= 1 / 2) < 1) return 1 / 2 * (t * t * (((s *= (1.525)) + 1) * t - s)); + return 1 / 2 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2); + }, + easeInBounce: function (t) { + return 1 - easingEffects.easeOutBounce(1 - t); + }, + easeOutBounce: function (t) { + if ((t /= 1) < (1 / 2.75)) { + return 1 * (7.5625 * t * t); + } else if (t < (2 / 2.75)) { + return 1 * (7.5625 * (t -= (1.5 / 2.75)) * t + 0.75); + } else if (t < (2.5 / 2.75)) { + return 1 * (7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375); + } else { + return 1 * (7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375); + } + }, + easeInOutBounce: function (t) { + if (t < 1 / 2) return easingEffects.easeInBounce(t * 2) * 0.5; + return easingEffects.easeOutBounce(t * 2 - 1) * 0.5 + 1 * 0.5; + } + }, + //Request animation polyfill - http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/ + requestAnimFrame = helpers.requestAnimFrame = (function(){ + return window.requestAnimationFrame || + window.webkitRequestAnimationFrame || + window.mozRequestAnimationFrame || + window.oRequestAnimationFrame || + window.msRequestAnimationFrame || + function(callback) { + return window.setTimeout(callback, 1000 / 60); + }; + })(), + cancelAnimFrame = helpers.cancelAnimFrame = (function(){ + return window.cancelAnimationFrame || + window.webkitCancelAnimationFrame || + window.mozCancelAnimationFrame || + window.oCancelAnimationFrame || + window.msCancelAnimationFrame || + function(callback) { + return window.clearTimeout(callback, 1000 / 60); + }; + })(), + animationLoop = helpers.animationLoop = function(callback,totalSteps,easingString,onProgress,onComplete,chartInstance){ + + var currentStep = 0, + easingFunction = easingEffects[easingString] || easingEffects.linear; + + var animationFrame = function(){ + currentStep++; + var stepDecimal = currentStep/totalSteps; + var easeDecimal = easingFunction(stepDecimal); + + callback.call(chartInstance,easeDecimal,stepDecimal, currentStep); + onProgress.call(chartInstance,easeDecimal,stepDecimal); + if (currentStep < totalSteps){ + chartInstance.animationFrame = requestAnimFrame(animationFrame); + } else{ + onComplete.apply(chartInstance); + } + }; + requestAnimFrame(animationFrame); + }, + //-- DOM methods + getRelativePosition = helpers.getRelativePosition = function(evt){ + var mouseX, mouseY; + var e = evt.originalEvent || evt, + canvas = evt.currentTarget || evt.srcElement, + boundingRect = canvas.getBoundingClientRect(); + + if (e.touches){ + mouseX = e.touches[0].clientX - boundingRect.left; + mouseY = e.touches[0].clientY - boundingRect.top; + + } + else{ + mouseX = e.clientX - boundingRect.left; + mouseY = e.clientY - boundingRect.top; + } + + return { + x : mouseX, + y : mouseY + }; + + }, + addEvent = helpers.addEvent = function(node,eventType,method){ + if (node.addEventListener){ + node.addEventListener(eventType,method); + } else if (node.attachEvent){ + node.attachEvent("on"+eventType, method); + } else { + node["on"+eventType] = method; + } + }, + removeEvent = helpers.removeEvent = function(node, eventType, handler){ + if (node.removeEventListener){ + node.removeEventListener(eventType, handler, false); + } else if (node.detachEvent){ + node.detachEvent("on"+eventType,handler); + } else{ + node["on" + eventType] = noop; + } + }, + bindEvents = helpers.bindEvents = function(chartInstance, arrayOfEvents, handler){ + // Create the events object if it's not already present + if (!chartInstance.events) chartInstance.events = {}; + + each(arrayOfEvents,function(eventName){ + chartInstance.events[eventName] = function(){ + handler.apply(chartInstance, arguments); + }; + addEvent(chartInstance.chart.canvas,eventName,chartInstance.events[eventName]); + }); + }, + unbindEvents = helpers.unbindEvents = function (chartInstance, arrayOfEvents) { + each(arrayOfEvents, function(handler,eventName){ + removeEvent(chartInstance.chart.canvas, eventName, handler); + }); + }, + getMaximumWidth = helpers.getMaximumWidth = function(domNode){ + var container = domNode.parentNode; + // TODO = check cross browser stuff with this. + return container.clientWidth; + }, + getMaximumHeight = helpers.getMaximumHeight = function(domNode){ + var container = domNode.parentNode; + // TODO = check cross browser stuff with this. + return container.clientHeight; + }, + getMaximumSize = helpers.getMaximumSize = helpers.getMaximumWidth, // legacy support + retinaScale = helpers.retinaScale = function(chart){ + var ctx = chart.ctx, + width = chart.canvas.width, + height = chart.canvas.height; + + if (window.devicePixelRatio) { + ctx.canvas.style.width = width + "px"; + ctx.canvas.style.height = height + "px"; + ctx.canvas.height = height * window.devicePixelRatio; + ctx.canvas.width = width * window.devicePixelRatio; + ctx.scale(window.devicePixelRatio, window.devicePixelRatio); + } + }, + //-- Canvas methods + clear = helpers.clear = function(chart){ + chart.ctx.clearRect(0,0,chart.width,chart.height); + }, + fontString = helpers.fontString = function(pixelSize,fontStyle,fontFamily){ + return fontStyle + " " + pixelSize+"px " + fontFamily; + }, + longestText = helpers.longestText = function(ctx,font,arrayOfStrings){ + ctx.font = font; + var longest = 0; + each(arrayOfStrings,function(string){ + var textWidth = ctx.measureText(string).width; + longest = (textWidth > longest) ? textWidth : longest; + }); + return longest; + }, + drawRoundedRectangle = helpers.drawRoundedRectangle = function(ctx,x,y,width,height,radius){ + ctx.beginPath(); + ctx.moveTo(x + radius, y); + ctx.lineTo(x + width - radius, y); + ctx.quadraticCurveTo(x + width, y, x + width, y + radius); + ctx.lineTo(x + width, y + height - radius); + ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height); + ctx.lineTo(x + radius, y + height); + ctx.quadraticCurveTo(x, y + height, x, y + height - radius); + ctx.lineTo(x, y + radius); + ctx.quadraticCurveTo(x, y, x + radius, y); + ctx.closePath(); + }; + + + //Store a reference to each instance - allowing us to globally resize chart instances on window resize. + //Destroy method on the chart will remove the instance of the chart from this reference. + Chart.instances = {}; + + Chart.Type = function(data,options,chart){ + this.options = options; + this.chart = chart; + this.id = uid(); + //Add the chart instance to the global namespace + Chart.instances[this.id] = this; + + // Initialize is always called when a chart type is created + // By default it is a no op, but it should be extended + if (options.responsive){ + this.resize(); + } + this.initialize.call(this,data); + }; + + //Core methods that'll be a part of every chart type + extend(Chart.Type.prototype,{ + initialize : function(){return this;}, + clear : function(){ + clear(this.chart); + return this; + }, + stop : function(){ + // Stops any current animation loop occuring + helpers.cancelAnimFrame.call(root, this.animationFrame); + return this; + }, + resize : function(callback){ + this.stop(); + var canvas = this.chart.canvas, + newWidth = getMaximumWidth(this.chart.canvas), + newHeight = this.options.maintainAspectRatio ? newWidth / this.chart.aspectRatio : getMaximumHeight(this.chart.canvas); + + canvas.width = this.chart.width = newWidth; + canvas.height = this.chart.height = newHeight; + + retinaScale(this.chart); + + if (typeof callback === "function"){ + callback.apply(this, Array.prototype.slice.call(arguments, 1)); + } + return this; + }, + reflow : noop, + render : function(reflow){ + if (reflow){ + this.reflow(); + } + if (this.options.animation && !reflow){ + helpers.animationLoop( + this.draw, + this.options.animationSteps, + this.options.animationEasing, + this.options.onAnimationProgress, + this.options.onAnimationComplete, + this + ); + } + else{ + this.draw(); + this.options.onAnimationComplete.call(this); + } + return this; + }, + generateLegend : function(){ + return template(this.options.legendTemplate,this); + }, + destroy : function(){ + this.clear(); + unbindEvents(this, this.events); + var canvas = this.chart.canvas; + + // Reset canvas height/width attributes starts a fresh with the canvas context + canvas.width = this.chart.width; + canvas.height = this.chart.height; + + // < IE9 doesn't support removeProperty + if (canvas.style.removeProperty) { + canvas.style.removeProperty('width'); + canvas.style.removeProperty('height'); + } else { + canvas.style.removeAttribute('width'); + canvas.style.removeAttribute('height'); + } + + delete Chart.instances[this.id]; + }, + showTooltip : function(ChartElements, forceRedraw){ + // Only redraw the chart if we've actually changed what we're hovering on. + if (typeof this.activeElements === 'undefined') this.activeElements = []; + + var isChanged = (function(Elements){ + var changed = false; + + if (Elements.length !== this.activeElements.length){ + changed = true; + return changed; + } + + each(Elements, function(element, index){ + if (element !== this.activeElements[index]){ + changed = true; + } + }, this); + return changed; + }).call(this, ChartElements); + + if (!isChanged && !forceRedraw){ + return; + } + else{ + this.activeElements = ChartElements; + } + this.draw(); + if(this.options.customTooltips){ + this.options.customTooltips(false); + } + if (ChartElements.length > 0){ + // If we have multiple datasets, show a MultiTooltip for all of the data points at that index + if (this.datasets && this.datasets.length > 1) { + var dataArray, + dataIndex; + + for (var i = this.datasets.length - 1; i >= 0; i--) { + dataArray = this.datasets[i].points || this.datasets[i].bars || this.datasets[i].segments; + dataIndex = indexOf(dataArray, ChartElements[0]); + if (dataIndex !== -1){ + break; + } + } + var tooltipLabels = [], + tooltipColors = [], + medianPosition = (function(index) { + + // Get all the points at that particular index + var Elements = [], + dataCollection, + xPositions = [], + yPositions = [], + xMax, + yMax, + xMin, + yMin; + helpers.each(this.datasets, function(dataset){ + dataCollection = dataset.points || dataset.bars || dataset.segments; + if (dataCollection[dataIndex] && dataCollection[dataIndex].hasValue()){ + Elements.push(dataCollection[dataIndex]); + } + }); + + helpers.each(Elements, function(element) { + xPositions.push(element.x); + yPositions.push(element.y); + + + //Include any colour information about the element + tooltipLabels.push(helpers.template(this.options.multiTooltipTemplate, element)); + tooltipColors.push({ + fill: element._saved.fillColor || element.fillColor, + stroke: element._saved.strokeColor || element.strokeColor + }); + + }, this); + + yMin = min(yPositions); + yMax = max(yPositions); + + xMin = min(xPositions); + xMax = max(xPositions); + + return { + x: (xMin > this.chart.width/2) ? xMin : xMax, + y: (yMin + yMax)/2 + }; + }).call(this, dataIndex); + + new Chart.MultiTooltip({ + x: medianPosition.x, + y: medianPosition.y, + xPadding: this.options.tooltipXPadding, + yPadding: this.options.tooltipYPadding, + xOffset: this.options.tooltipXOffset, + fillColor: this.options.tooltipFillColor, + textColor: this.options.tooltipFontColor, + fontFamily: this.options.tooltipFontFamily, + fontStyle: this.options.tooltipFontStyle, + fontSize: this.options.tooltipFontSize, + titleTextColor: this.options.tooltipTitleFontColor, + titleFontFamily: this.options.tooltipTitleFontFamily, + titleFontStyle: this.options.tooltipTitleFontStyle, + titleFontSize: this.options.tooltipTitleFontSize, + cornerRadius: this.options.tooltipCornerRadius, + labels: tooltipLabels, + legendColors: tooltipColors, + legendColorBackground : this.options.multiTooltipKeyBackground, + title: ChartElements[0].label, + chart: this.chart, + ctx: this.chart.ctx, + custom: this.options.customTooltips + }).draw(); + + } else { + each(ChartElements, function(Element) { + var tooltipPosition = Element.tooltipPosition(); + new Chart.Tooltip({ + x: Math.round(tooltipPosition.x), + y: Math.round(tooltipPosition.y), + xPadding: this.options.tooltipXPadding, + yPadding: this.options.tooltipYPadding, + fillColor: this.options.tooltipFillColor, + textColor: this.options.tooltipFontColor, + fontFamily: this.options.tooltipFontFamily, + fontStyle: this.options.tooltipFontStyle, + fontSize: this.options.tooltipFontSize, + caretHeight: this.options.tooltipCaretSize, + cornerRadius: this.options.tooltipCornerRadius, + text: template(this.options.tooltipTemplate, Element), + chart: this.chart, + custom: this.options.customTooltips + }).draw(); + }, this); + } + } + return this; + }, + toBase64Image : function(){ + return this.chart.canvas.toDataURL.apply(this.chart.canvas, arguments); + } + }); + + Chart.Type.extend = function(extensions){ + + var parent = this; + + var ChartType = function(){ + return parent.apply(this,arguments); + }; + + //Copy the prototype object of the this class + ChartType.prototype = clone(parent.prototype); + //Now overwrite some of the properties in the base class with the new extensions + extend(ChartType.prototype, extensions); + + ChartType.extend = Chart.Type.extend; + + if (extensions.name || parent.prototype.name){ + + var chartName = extensions.name || parent.prototype.name; + //Assign any potential default values of the new chart type + + //If none are defined, we'll use a clone of the chart type this is being extended from. + //I.e. if we extend a line chart, we'll use the defaults from the line chart if our new chart + //doesn't define some defaults of their own. + + var baseDefaults = (Chart.defaults[parent.prototype.name]) ? clone(Chart.defaults[parent.prototype.name]) : {}; + + Chart.defaults[chartName] = extend(baseDefaults,extensions.defaults); + + Chart.types[chartName] = ChartType; + + //Register this new chart type in the Chart prototype + Chart.prototype[chartName] = function(data,options){ + var config = merge(Chart.defaults.global, Chart.defaults[chartName], options || {}); + return new ChartType(data,config,this); + }; + } else{ + warn("Name not provided for this chart, so it hasn't been registered"); + } + return parent; + }; + + Chart.Element = function(configuration){ + extend(this,configuration); + this.initialize.apply(this,arguments); + this.save(); + }; + extend(Chart.Element.prototype,{ + initialize : function(){}, + restore : function(props){ + if (!props){ + extend(this,this._saved); + } else { + each(props,function(key){ + this[key] = this._saved[key]; + },this); + } + return this; + }, + save : function(){ + this._saved = clone(this); + delete this._saved._saved; + return this; + }, + update : function(newProps){ + each(newProps,function(value,key){ + this._saved[key] = this[key]; + this[key] = value; + },this); + return this; + }, + transition : function(props,ease){ + each(props,function(value,key){ + this[key] = ((value - this._saved[key]) * ease) + this._saved[key]; + },this); + return this; + }, + tooltipPosition : function(){ + return { + x : this.x, + y : this.y + }; + }, + hasValue: function(){ + return isNumber(this.value); + } + }); + + Chart.Element.extend = inherits; + + + Chart.Point = Chart.Element.extend({ + display: true, + inRange: function(chartX,chartY){ + var hitDetectionRange = this.hitDetectionRadius + this.radius; + return ((Math.pow(chartX-this.x, 2)+Math.pow(chartY-this.y, 2)) < Math.pow(hitDetectionRange,2)); + }, + draw : function(){ + if (this.display){ + var ctx = this.ctx; + ctx.beginPath(); + + ctx.arc(this.x, this.y, this.radius, 0, Math.PI*2); + ctx.closePath(); + + ctx.strokeStyle = this.strokeColor; + ctx.lineWidth = this.strokeWidth; + + ctx.fillStyle = this.fillColor; + + ctx.fill(); + ctx.stroke(); + } + + + //Quick debug for bezier curve splining + //Highlights control points and the line between them. + //Handy for dev - stripped in the min version. + + // ctx.save(); + // ctx.fillStyle = "black"; + // ctx.strokeStyle = "black" + // ctx.beginPath(); + // ctx.arc(this.controlPoints.inner.x,this.controlPoints.inner.y, 2, 0, Math.PI*2); + // ctx.fill(); + + // ctx.beginPath(); + // ctx.arc(this.controlPoints.outer.x,this.controlPoints.outer.y, 2, 0, Math.PI*2); + // ctx.fill(); + + // ctx.moveTo(this.controlPoints.inner.x,this.controlPoints.inner.y); + // ctx.lineTo(this.x, this.y); + // ctx.lineTo(this.controlPoints.outer.x,this.controlPoints.outer.y); + // ctx.stroke(); + + // ctx.restore(); + + + + } + }); + + Chart.Arc = Chart.Element.extend({ + inRange : function(chartX,chartY){ + + var pointRelativePosition = helpers.getAngleFromPoint(this, { + x: chartX, + y: chartY + }); + + //Check if within the range of the open/close angle + var betweenAngles = (pointRelativePosition.angle >= this.startAngle && pointRelativePosition.angle <= this.endAngle), + withinRadius = (pointRelativePosition.distance >= this.innerRadius && pointRelativePosition.distance <= this.outerRadius); + + return (betweenAngles && withinRadius); + //Ensure within the outside of the arc centre, but inside arc outer + }, + tooltipPosition : function(){ + var centreAngle = this.startAngle + ((this.endAngle - this.startAngle) / 2), + rangeFromCentre = (this.outerRadius - this.innerRadius) / 2 + this.innerRadius; + return { + x : this.x + (Math.cos(centreAngle) * rangeFromCentre), + y : this.y + (Math.sin(centreAngle) * rangeFromCentre) + }; + }, + draw : function(animationPercent){ + + var easingDecimal = animationPercent || 1; + + var ctx = this.ctx; + + ctx.beginPath(); + + ctx.arc(this.x, this.y, this.outerRadius, this.startAngle, this.endAngle); + + ctx.arc(this.x, this.y, this.innerRadius, this.endAngle, this.startAngle, true); + + ctx.closePath(); + ctx.strokeStyle = this.strokeColor; + ctx.lineWidth = this.strokeWidth; + + ctx.fillStyle = this.fillColor; + + ctx.fill(); + ctx.lineJoin = 'bevel'; + + if (this.showStroke){ + ctx.stroke(); + } + } + }); + + Chart.Rectangle = Chart.Element.extend({ + draw : function(){ + var ctx = this.ctx, + halfWidth = this.width/2, + leftX = this.x - halfWidth, + rightX = this.x + halfWidth, + top = this.base - (this.base - this.y), + halfStroke = this.strokeWidth / 2; + + // Canvas doesn't allow us to stroke inside the width so we can + // adjust the sizes to fit if we're setting a stroke on the line + if (this.showStroke){ + leftX += halfStroke; + rightX -= halfStroke; + top += halfStroke; + } + + ctx.beginPath(); + + ctx.fillStyle = this.fillColor; + ctx.strokeStyle = this.strokeColor; + ctx.lineWidth = this.strokeWidth; + + // It'd be nice to keep this class totally generic to any rectangle + // and simply specify which border to miss out. + ctx.moveTo(leftX, this.base); + ctx.lineTo(leftX, top); + ctx.lineTo(rightX, top); + ctx.lineTo(rightX, this.base); + ctx.fill(); + if (this.showStroke){ + ctx.stroke(); + } + }, + height : function(){ + return this.base - this.y; + }, + inRange : function(chartX,chartY){ + return (chartX >= this.x - this.width/2 && chartX <= this.x + this.width/2) && (chartY >= this.y && chartY <= this.base); + } + }); + + Chart.Tooltip = Chart.Element.extend({ + draw : function(){ + + var ctx = this.chart.ctx; + + ctx.font = fontString(this.fontSize,this.fontStyle,this.fontFamily); + + this.xAlign = "center"; + this.yAlign = "above"; + + //Distance between the actual element.y position and the start of the tooltip caret + var caretPadding = this.caretPadding = 2; + + var tooltipWidth = ctx.measureText(this.text).width + 2*this.xPadding, + tooltipRectHeight = this.fontSize + 2*this.yPadding, + tooltipHeight = tooltipRectHeight + this.caretHeight + caretPadding; + + if (this.x + tooltipWidth/2 >this.chart.width){ + this.xAlign = "left"; + } else if (this.x - tooltipWidth/2 < 0){ + this.xAlign = "right"; + } + + if (this.y - tooltipHeight < 0){ + this.yAlign = "below"; + } + + + var tooltipX = this.x - tooltipWidth/2, + tooltipY = this.y - tooltipHeight; + + ctx.fillStyle = this.fillColor; + + // Custom Tooltips + if(this.custom){ + this.custom(this); + } + else{ + switch(this.yAlign) + { + case "above": + //Draw a caret above the x/y + ctx.beginPath(); + ctx.moveTo(this.x,this.y - caretPadding); + ctx.lineTo(this.x + this.caretHeight, this.y - (caretPadding + this.caretHeight)); + ctx.lineTo(this.x - this.caretHeight, this.y - (caretPadding + this.caretHeight)); + ctx.closePath(); + ctx.fill(); + break; + case "below": + tooltipY = this.y + caretPadding + this.caretHeight; + //Draw a caret below the x/y + ctx.beginPath(); + ctx.moveTo(this.x, this.y + caretPadding); + ctx.lineTo(this.x + this.caretHeight, this.y + caretPadding + this.caretHeight); + ctx.lineTo(this.x - this.caretHeight, this.y + caretPadding + this.caretHeight); + ctx.closePath(); + ctx.fill(); + break; + } + + switch(this.xAlign) + { + case "left": + tooltipX = this.x - tooltipWidth + (this.cornerRadius + this.caretHeight); + break; + case "right": + tooltipX = this.x - (this.cornerRadius + this.caretHeight); + break; + } + + drawRoundedRectangle(ctx,tooltipX,tooltipY,tooltipWidth,tooltipRectHeight,this.cornerRadius); + + ctx.fill(); + + ctx.fillStyle = this.textColor; + ctx.textAlign = "center"; + ctx.textBaseline = "middle"; + ctx.fillText(this.text, tooltipX + tooltipWidth/2, tooltipY + tooltipRectHeight/2); + } + } + }); + + Chart.MultiTooltip = Chart.Element.extend({ + initialize : function(){ + this.font = fontString(this.fontSize,this.fontStyle,this.fontFamily); + + this.titleFont = fontString(this.titleFontSize,this.titleFontStyle,this.titleFontFamily); + + this.height = (this.labels.length * this.fontSize) + ((this.labels.length-1) * (this.fontSize/2)) + (this.yPadding*2) + this.titleFontSize *1.5; + + this.ctx.font = this.titleFont; + + var titleWidth = this.ctx.measureText(this.title).width, + //Label has a legend square as well so account for this. + labelWidth = longestText(this.ctx,this.font,this.labels) + this.fontSize + 3, + longestTextWidth = max([labelWidth,titleWidth]); + + this.width = longestTextWidth + (this.xPadding*2); + + + var halfHeight = this.height/2; + + //Check to ensure the height will fit on the canvas + //The three is to buffer form the very + if (this.y - halfHeight < 0 ){ + this.y = halfHeight; + } else if (this.y + halfHeight > this.chart.height){ + this.y = this.chart.height - halfHeight; + } + + //Decide whether to align left or right based on position on canvas + if (this.x > this.chart.width/2){ + this.x -= this.xOffset + this.width; + } else { + this.x += this.xOffset; + } + + + }, + getLineHeight : function(index){ + var baseLineHeight = this.y - (this.height/2) + this.yPadding, + afterTitleIndex = index-1; + + //If the index is zero, we're getting the title + if (index === 0){ + return baseLineHeight + this.titleFontSize/2; + } else{ + return baseLineHeight + ((this.fontSize*1.5*afterTitleIndex) + this.fontSize/2) + this.titleFontSize * 1.5; + } + + }, + draw : function(){ + // Custom Tooltips + if(this.custom){ + this.custom(this); + } + else{ + drawRoundedRectangle(this.ctx,this.x,this.y - this.height/2,this.width,this.height,this.cornerRadius); + var ctx = this.ctx; + ctx.fillStyle = this.fillColor; + ctx.fill(); + ctx.closePath(); + + ctx.textAlign = "left"; + ctx.textBaseline = "middle"; + ctx.fillStyle = this.titleTextColor; + ctx.font = this.titleFont; + + ctx.fillText(this.title,this.x + this.xPadding, this.getLineHeight(0)); + + ctx.font = this.font; + helpers.each(this.labels,function(label,index){ + ctx.fillStyle = this.textColor; + ctx.fillText(label,this.x + this.xPadding + this.fontSize + 3, this.getLineHeight(index + 1)); + + //A bit gnarly, but clearing this rectangle breaks when using explorercanvas (clears whole canvas) + //ctx.clearRect(this.x + this.xPadding, this.getLineHeight(index + 1) - this.fontSize/2, this.fontSize, this.fontSize); + //Instead we'll make a white filled block to put the legendColour palette over. + + ctx.fillStyle = this.legendColorBackground; + ctx.fillRect(this.x + this.xPadding, this.getLineHeight(index + 1) - this.fontSize/2, this.fontSize, this.fontSize); + + ctx.fillStyle = this.legendColors[index].fill; + ctx.fillRect(this.x + this.xPadding, this.getLineHeight(index + 1) - this.fontSize/2, this.fontSize, this.fontSize); + + + },this); + } + } + }); + + Chart.Scale = Chart.Element.extend({ + initialize : function(){ + this.fit(); + }, + buildYLabels : function(){ + this.yLabels = []; + + var stepDecimalPlaces = getDecimalPlaces(this.stepValue); + + for (var i=0; i<=this.steps; i++){ + this.yLabels.push(template(this.templateString,{value:(this.min + (i * this.stepValue)).toFixed(stepDecimalPlaces)})); + } + this.yLabelWidth = (this.display && this.showLabels) ? longestText(this.ctx,this.font,this.yLabels) : 0; + }, + addXLabel : function(label){ + this.xLabels.push(label); + this.valuesCount++; + this.fit(); + }, + removeXLabel : function(){ + this.xLabels.shift(); + this.valuesCount--; + this.fit(); + }, + // Fitting loop to rotate x Labels and figure out what fits there, and also calculate how many Y steps to use + fit: function(){ + // First we need the width of the yLabels, assuming the xLabels aren't rotated + + // To do that we need the base line at the top and base of the chart, assuming there is no x label rotation + this.startPoint = (this.display) ? this.fontSize : 0; + this.endPoint = (this.display) ? this.height - (this.fontSize * 1.5) - 5 : this.height; // -5 to pad labels + + // Apply padding settings to the start and end point. + this.startPoint += this.padding; + this.endPoint -= this.padding; + + // Cache the starting height, so can determine if we need to recalculate the scale yAxis + var cachedHeight = this.endPoint - this.startPoint, + cachedYLabelWidth; + + // Build the current yLabels so we have an idea of what size they'll be to start + /* + * This sets what is returned from calculateScaleRange as static properties of this class: + * + this.steps; + this.stepValue; + this.min; + this.max; + * + */ + this.calculateYRange(cachedHeight); + + // With these properties set we can now build the array of yLabels + // and also the width of the largest yLabel + this.buildYLabels(); + + this.calculateXLabelRotation(); + + while((cachedHeight > this.endPoint - this.startPoint)){ + cachedHeight = this.endPoint - this.startPoint; + cachedYLabelWidth = this.yLabelWidth; + + this.calculateYRange(cachedHeight); + this.buildYLabels(); + + // Only go through the xLabel loop again if the yLabel width has changed + if (cachedYLabelWidth < this.yLabelWidth){ + this.calculateXLabelRotation(); + } + } + + }, + calculateXLabelRotation : function(){ + //Get the width of each grid by calculating the difference + //between x offsets between 0 and 1. + + this.ctx.font = this.font; + + var firstWidth = this.ctx.measureText(this.xLabels[0]).width, + lastWidth = this.ctx.measureText(this.xLabels[this.xLabels.length - 1]).width, + firstRotated, + lastRotated; + + + this.xScalePaddingRight = lastWidth/2 + 3; + this.xScalePaddingLeft = (firstWidth/2 > this.yLabelWidth + 10) ? firstWidth/2 : this.yLabelWidth + 10; + + this.xLabelRotation = 0; + if (this.display){ + var originalLabelWidth = longestText(this.ctx,this.font,this.xLabels), + cosRotation, + firstRotatedWidth; + this.xLabelWidth = originalLabelWidth; + //Allow 3 pixels x2 padding either side for label readability + var xGridWidth = Math.floor(this.calculateX(1) - this.calculateX(0)) - 6; + + //Max label rotate should be 90 - also act as a loop counter + while ((this.xLabelWidth > xGridWidth && this.xLabelRotation === 0) || (this.xLabelWidth > xGridWidth && this.xLabelRotation <= 90 && this.xLabelRotation > 0)){ + cosRotation = Math.cos(toRadians(this.xLabelRotation)); + + firstRotated = cosRotation * firstWidth; + lastRotated = cosRotation * lastWidth; + + // We're right aligning the text now. + if (firstRotated + this.fontSize / 2 > this.yLabelWidth + 8){ + this.xScalePaddingLeft = firstRotated + this.fontSize / 2; + } + this.xScalePaddingRight = this.fontSize/2; + + + this.xLabelRotation++; + this.xLabelWidth = cosRotation * originalLabelWidth; + + } + if (this.xLabelRotation > 0){ + this.endPoint -= Math.sin(toRadians(this.xLabelRotation))*originalLabelWidth + 3; + } + } + else{ + this.xLabelWidth = 0; + this.xScalePaddingRight = this.padding; + this.xScalePaddingLeft = this.padding; + } + + }, + // Needs to be overidden in each Chart type + // Otherwise we need to pass all the data into the scale class + calculateYRange: noop, + drawingArea: function(){ + return this.startPoint - this.endPoint; + }, + calculateY : function(value){ + var scalingFactor = this.drawingArea() / (this.min - this.max); + return this.endPoint - (scalingFactor * (value - this.min)); + }, + calculateX : function(index){ + var isRotated = (this.xLabelRotation > 0), + // innerWidth = (this.offsetGridLines) ? this.width - offsetLeft - this.padding : this.width - (offsetLeft + halfLabelWidth * 2) - this.padding, + innerWidth = this.width - (this.xScalePaddingLeft + this.xScalePaddingRight), + valueWidth = innerWidth/(this.valuesCount - ((this.offsetGridLines) ? 0 : 1)), + valueOffset = (valueWidth * index) + this.xScalePaddingLeft; + + if (this.offsetGridLines){ + valueOffset += (valueWidth/2); + } + + return Math.round(valueOffset); + }, + update : function(newProps){ + helpers.extend(this, newProps); + this.fit(); + }, + draw : function(){ + var ctx = this.ctx, + yLabelGap = (this.endPoint - this.startPoint) / this.steps, + xStart = Math.round(this.xScalePaddingLeft); + if (this.display){ + ctx.fillStyle = this.textColor; + ctx.font = this.font; + each(this.yLabels,function(labelString,index){ + var yLabelCenter = this.endPoint - (yLabelGap * index), + linePositionY = Math.round(yLabelCenter), + drawHorizontalLine = this.showHorizontalLines; + + ctx.textAlign = "right"; + ctx.textBaseline = "middle"; + if (this.showLabels){ + ctx.fillText(labelString,xStart - 10,yLabelCenter); + } + + // This is X axis, so draw it + if (index === 0 && !drawHorizontalLine){ + drawHorizontalLine = true; + } + + if (drawHorizontalLine){ + ctx.beginPath(); + } + + if (index > 0){ + // This is a grid line in the centre, so drop that + ctx.lineWidth = this.gridLineWidth; + ctx.strokeStyle = this.gridLineColor; + } else { + // This is the first line on the scale + ctx.lineWidth = this.lineWidth; + ctx.strokeStyle = this.lineColor; + } + + linePositionY += helpers.aliasPixel(ctx.lineWidth); + + if(drawHorizontalLine){ + ctx.moveTo(xStart, linePositionY); + ctx.lineTo(this.width, linePositionY); + ctx.stroke(); + ctx.closePath(); + } + + ctx.lineWidth = this.lineWidth; + ctx.strokeStyle = this.lineColor; + ctx.beginPath(); + ctx.moveTo(xStart - 5, linePositionY); + ctx.lineTo(xStart, linePositionY); + ctx.stroke(); + ctx.closePath(); + + },this); + + each(this.xLabels,function(label,index){ + var xPos = this.calculateX(index) + aliasPixel(this.lineWidth), + // Check to see if line/bar here and decide where to place the line + linePos = this.calculateX(index - (this.offsetGridLines ? 0.5 : 0)) + aliasPixel(this.lineWidth), + isRotated = (this.xLabelRotation > 0), + drawVerticalLine = this.showVerticalLines; + + // This is Y axis, so draw it + if (index === 0 && !drawVerticalLine){ + drawVerticalLine = true; + } + + if (drawVerticalLine){ + ctx.beginPath(); + } + + if (index > 0){ + // This is a grid line in the centre, so drop that + ctx.lineWidth = this.gridLineWidth; + ctx.strokeStyle = this.gridLineColor; + } else { + // This is the first line on the scale + ctx.lineWidth = this.lineWidth; + ctx.strokeStyle = this.lineColor; + } + + if (drawVerticalLine){ + ctx.moveTo(linePos,this.endPoint); + ctx.lineTo(linePos,this.startPoint - 3); + ctx.stroke(); + ctx.closePath(); + } + + + ctx.lineWidth = this.lineWidth; + ctx.strokeStyle = this.lineColor; + + + // Small lines at the bottom of the base grid line + ctx.beginPath(); + ctx.moveTo(linePos,this.endPoint); + ctx.lineTo(linePos,this.endPoint + 5); + ctx.stroke(); + ctx.closePath(); + + ctx.save(); + ctx.translate(xPos,(isRotated) ? this.endPoint + 12 : this.endPoint + 8); + ctx.rotate(toRadians(this.xLabelRotation)*-1); + ctx.font = this.font; + ctx.textAlign = (isRotated) ? "right" : "center"; + ctx.textBaseline = (isRotated) ? "middle" : "top"; + ctx.fillText(label, 0, 0); + ctx.restore(); + },this); + + } + } + + }); + + Chart.RadialScale = Chart.Element.extend({ + initialize: function(){ + this.size = min([this.height, this.width]); + this.drawingArea = (this.display) ? (this.size/2) - (this.fontSize/2 + this.backdropPaddingY) : (this.size/2); + }, + calculateCenterOffset: function(value){ + // Take into account half font size + the yPadding of the top value + var scalingFactor = this.drawingArea / (this.max - this.min); + + return (value - this.min) * scalingFactor; + }, + update : function(){ + if (!this.lineArc){ + this.setScaleSize(); + } else { + this.drawingArea = (this.display) ? (this.size/2) - (this.fontSize/2 + this.backdropPaddingY) : (this.size/2); + } + this.buildYLabels(); + }, + buildYLabels: function(){ + this.yLabels = []; + + var stepDecimalPlaces = getDecimalPlaces(this.stepValue); + + for (var i=0; i<=this.steps; i++){ + this.yLabels.push(template(this.templateString,{value:(this.min + (i * this.stepValue)).toFixed(stepDecimalPlaces)})); + } + }, + getCircumference : function(){ + return ((Math.PI*2) / this.valuesCount); + }, + setScaleSize: function(){ + /* + * Right, this is really confusing and there is a lot of maths going on here + * The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9 + * + * Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif + * + * Solution: + * + * We assume the radius of the polygon is half the size of the canvas at first + * at each index we check if the text overlaps. + * + * Where it does, we store that angle and that index. + * + * After finding the largest index and angle we calculate how much we need to remove + * from the shape radius to move the point inwards by that x. + * + * We average the left and right distances to get the maximum shape radius that can fit in the box + * along with labels. + * + * Once we have that, we can find the centre point for the chart, by taking the x text protrusion + * on each side, removing that from the size, halving it and adding the left x protrusion width. + * + * This will mean we have a shape fitted to the canvas, as large as it can be with the labels + * and position it in the most space efficient manner + * + * https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif + */ + + + // Get maximum radius of the polygon. Either half the height (minus the text width) or half the width. + // Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points + var largestPossibleRadius = min([(this.height/2 - this.pointLabelFontSize - 5), this.width/2]), + pointPosition, + i, + textWidth, + halfTextWidth, + furthestRight = this.width, + furthestRightIndex, + furthestRightAngle, + furthestLeft = 0, + furthestLeftIndex, + furthestLeftAngle, + xProtrusionLeft, + xProtrusionRight, + radiusReductionRight, + radiusReductionLeft, + maxWidthRadius; + this.ctx.font = fontString(this.pointLabelFontSize,this.pointLabelFontStyle,this.pointLabelFontFamily); + for (i=0;i furthestRight) { + furthestRight = pointPosition.x + halfTextWidth; + furthestRightIndex = i; + } + if (pointPosition.x - halfTextWidth < furthestLeft) { + furthestLeft = pointPosition.x - halfTextWidth; + furthestLeftIndex = i; + } + } + else if (i < this.valuesCount/2) { + // Less than half the values means we'll left align the text + if (pointPosition.x + textWidth > furthestRight) { + furthestRight = pointPosition.x + textWidth; + furthestRightIndex = i; + } + } + else if (i > this.valuesCount/2){ + // More than half the values means we'll right align the text + if (pointPosition.x - textWidth < furthestLeft) { + furthestLeft = pointPosition.x - textWidth; + furthestLeftIndex = i; + } + } + } + + xProtrusionLeft = furthestLeft; + + xProtrusionRight = Math.ceil(furthestRight - this.width); + + furthestRightAngle = this.getIndexAngle(furthestRightIndex); + + furthestLeftAngle = this.getIndexAngle(furthestLeftIndex); + + radiusReductionRight = xProtrusionRight / Math.sin(furthestRightAngle + Math.PI/2); + + radiusReductionLeft = xProtrusionLeft / Math.sin(furthestLeftAngle + Math.PI/2); + + // Ensure we actually need to reduce the size of the chart + radiusReductionRight = (isNumber(radiusReductionRight)) ? radiusReductionRight : 0; + radiusReductionLeft = (isNumber(radiusReductionLeft)) ? radiusReductionLeft : 0; + + this.drawingArea = largestPossibleRadius - (radiusReductionLeft + radiusReductionRight)/2; + + //this.drawingArea = min([maxWidthRadius, (this.height - (2 * (this.pointLabelFontSize + 5)))/2]) + this.setCenterPoint(radiusReductionLeft, radiusReductionRight); + + }, + setCenterPoint: function(leftMovement, rightMovement){ + + var maxRight = this.width - rightMovement - this.drawingArea, + maxLeft = leftMovement + this.drawingArea; + + this.xCenter = (maxLeft + maxRight)/2; + // Always vertically in the centre as the text height doesn't change + this.yCenter = (this.height/2); + }, + + getIndexAngle : function(index){ + var angleMultiplier = (Math.PI * 2) / this.valuesCount; + // Start from the top instead of right, so remove a quarter of the circle + + return index * angleMultiplier - (Math.PI/2); + }, + getPointPosition : function(index, distanceFromCenter){ + var thisAngle = this.getIndexAngle(index); + return { + x : (Math.cos(thisAngle) * distanceFromCenter) + this.xCenter, + y : (Math.sin(thisAngle) * distanceFromCenter) + this.yCenter + }; + }, + draw: function(){ + if (this.display){ + var ctx = this.ctx; + each(this.yLabels, function(label, index){ + // Don't draw a centre value + if (index > 0){ + var yCenterOffset = index * (this.drawingArea/this.steps), + yHeight = this.yCenter - yCenterOffset, + pointPosition; + + // Draw circular lines around the scale + if (this.lineWidth > 0){ + ctx.strokeStyle = this.lineColor; + ctx.lineWidth = this.lineWidth; + + if(this.lineArc){ + ctx.beginPath(); + ctx.arc(this.xCenter, this.yCenter, yCenterOffset, 0, Math.PI*2); + ctx.closePath(); + ctx.stroke(); + } else{ + ctx.beginPath(); + for (var i=0;i= 0; i--) { + if (this.angleLineWidth > 0){ + var outerPosition = this.getPointPosition(i, this.calculateCenterOffset(this.max)); + ctx.beginPath(); + ctx.moveTo(this.xCenter, this.yCenter); + ctx.lineTo(outerPosition.x, outerPosition.y); + ctx.stroke(); + ctx.closePath(); + } + // Extra 3px out for some label spacing + var pointLabelPosition = this.getPointPosition(i, this.calculateCenterOffset(this.max) + 5); + ctx.font = fontString(this.pointLabelFontSize,this.pointLabelFontStyle,this.pointLabelFontFamily); + ctx.fillStyle = this.pointLabelFontColor; + + var labelsCount = this.labels.length, + halfLabelsCount = this.labels.length/2, + quarterLabelsCount = halfLabelsCount/2, + upperHalf = (i < quarterLabelsCount || i > labelsCount - quarterLabelsCount), + exactQuarter = (i === quarterLabelsCount || i === labelsCount - quarterLabelsCount); + if (i === 0){ + ctx.textAlign = 'center'; + } else if(i === halfLabelsCount){ + ctx.textAlign = 'center'; + } else if (i < halfLabelsCount){ + ctx.textAlign = 'left'; + } else { + ctx.textAlign = 'right'; + } + + // Set the correct text baseline based on outer positioning + if (exactQuarter){ + ctx.textBaseline = 'middle'; + } else if (upperHalf){ + ctx.textBaseline = 'bottom'; + } else { + ctx.textBaseline = 'top'; + } + + ctx.fillText(this.labels[i], pointLabelPosition.x, pointLabelPosition.y); + } + } + } + } + }); + + // Attach global event to resize each chart instance when the browser resizes + helpers.addEvent(window, "resize", (function(){ + // Basic debounce of resize function so it doesn't hurt performance when resizing browser. + var timeout; + return function(){ + clearTimeout(timeout); + timeout = setTimeout(function(){ + each(Chart.instances,function(instance){ + // If the responsive flag is set in the chart instance config + // Cascade the resize event down to the chart. + if (instance.options.responsive){ + instance.resize(instance.render, true); + } + }); + }, 50); + }; + })()); + + + if (amd) { + define(function(){ + return Chart; + }); + } else if (typeof module === 'object' && module.exports) { + module.exports = Chart; + } + + root.Chart = Chart; + + Chart.noConflict = function(){ + root.Chart = previous; + return Chart; + }; + +}).call(this); + +(function(){ + "use strict"; + + var root = this, + Chart = root.Chart, + helpers = Chart.helpers; + + + var defaultConfig = { + //Boolean - Whether the scale should start at zero, or an order of magnitude down from the lowest value + scaleBeginAtZero : true, + + //Boolean - Whether grid lines are shown across the chart + scaleShowGridLines : true, + + //String - Colour of the grid lines + scaleGridLineColor : "rgba(0,0,0,.05)", + + //Number - Width of the grid lines + scaleGridLineWidth : 1, + + //Boolean - Whether to show horizontal lines (except X axis) + scaleShowHorizontalLines: true, + + //Boolean - Whether to show vertical lines (except Y axis) + scaleShowVerticalLines: true, + + //Boolean - If there is a stroke on each bar + barShowStroke : true, + + //Number - Pixel width of the bar stroke + barStrokeWidth : 2, + + //Number - Spacing between each of the X value sets + barValueSpacing : 5, + + //Number - Spacing between data sets within X values + barDatasetSpacing : 1, + + //String - A legend template + legendTemplate : "
    -legend\"><% for (var i=0; i
  • \"><%if(datasets[i].label){%><%=datasets[i].label%><%}%>
  • <%}%>
" + + }; + + + Chart.Type.extend({ + name: "Bar", + defaults : defaultConfig, + initialize: function(data){ + + //Expose options as a scope variable here so we can access it in the ScaleClass + var options = this.options; + + this.ScaleClass = Chart.Scale.extend({ + offsetGridLines : true, + calculateBarX : function(datasetCount, datasetIndex, barIndex){ + //Reusable method for calculating the xPosition of a given bar based on datasetIndex & width of the bar + var xWidth = this.calculateBaseWidth(), + xAbsolute = this.calculateX(barIndex) - (xWidth/2), + barWidth = this.calculateBarWidth(datasetCount); + + return xAbsolute + (barWidth * datasetIndex) + (datasetIndex * options.barDatasetSpacing) + barWidth/2; + }, + calculateBaseWidth : function(){ + return (this.calculateX(1) - this.calculateX(0)) - (2*options.barValueSpacing); + }, + calculateBarWidth : function(datasetCount){ + //The padding between datasets is to the right of each bar, providing that there are more than 1 dataset + var baseWidth = this.calculateBaseWidth() - ((datasetCount - 1) * options.barDatasetSpacing); + + return (baseWidth / datasetCount); + } + }); + + this.datasets = []; + + //Set up tooltip events on the chart + if (this.options.showTooltips){ + helpers.bindEvents(this, this.options.tooltipEvents, function(evt){ + var activeBars = (evt.type !== 'mouseout') ? this.getBarsAtEvent(evt) : []; + + this.eachBars(function(bar){ + bar.restore(['fillColor', 'strokeColor']); + }); + helpers.each(activeBars, function(activeBar){ + activeBar.fillColor = activeBar.highlightFill; + activeBar.strokeColor = activeBar.highlightStroke; + }); + this.showTooltip(activeBars); + }); + } + + //Declare the extension of the default point, to cater for the options passed in to the constructor + this.BarClass = Chart.Rectangle.extend({ + strokeWidth : this.options.barStrokeWidth, + showStroke : this.options.barShowStroke, + ctx : this.chart.ctx + }); + + //Iterate through each of the datasets, and build this into a property of the chart + helpers.each(data.datasets,function(dataset,datasetIndex){ + + var datasetObject = { + label : dataset.label || null, + fillColor : dataset.fillColor, + strokeColor : dataset.strokeColor, + bars : [] + }; + + this.datasets.push(datasetObject); + + helpers.each(dataset.data,function(dataPoint,index){ + //Add a new point for each piece of data, passing any required data to draw. + datasetObject.bars.push(new this.BarClass({ + value : dataPoint, + label : data.labels[index], + datasetLabel: dataset.label, + strokeColor : dataset.strokeColor, + fillColor : dataset.fillColor, + highlightFill : dataset.highlightFill || dataset.fillColor, + highlightStroke : dataset.highlightStroke || dataset.strokeColor + })); + },this); + + },this); + + this.buildScale(data.labels); + + this.BarClass.prototype.base = this.scale.endPoint; + + this.eachBars(function(bar, index, datasetIndex){ + helpers.extend(bar, { + width : this.scale.calculateBarWidth(this.datasets.length), + x: this.scale.calculateBarX(this.datasets.length, datasetIndex, index), + y: this.scale.endPoint + }); + bar.save(); + }, this); + + this.render(); + }, + update : function(){ + this.scale.update(); + // Reset any highlight colours before updating. + helpers.each(this.activeElements, function(activeElement){ + activeElement.restore(['fillColor', 'strokeColor']); + }); + + this.eachBars(function(bar){ + bar.save(); + }); + this.render(); + }, + eachBars : function(callback){ + helpers.each(this.datasets,function(dataset, datasetIndex){ + helpers.each(dataset.bars, callback, this, datasetIndex); + },this); + }, + getBarsAtEvent : function(e){ + var barsArray = [], + eventPosition = helpers.getRelativePosition(e), + datasetIterator = function(dataset){ + barsArray.push(dataset.bars[barIndex]); + }, + barIndex; + + for (var datasetIndex = 0; datasetIndex < this.datasets.length; datasetIndex++) { + for (barIndex = 0; barIndex < this.datasets[datasetIndex].bars.length; barIndex++) { + if (this.datasets[datasetIndex].bars[barIndex].inRange(eventPosition.x,eventPosition.y)){ + helpers.each(this.datasets, datasetIterator); + return barsArray; + } + } + } + + return barsArray; + }, + buildScale : function(labels){ + var self = this; + + var dataTotal = function(){ + var values = []; + self.eachBars(function(bar){ + values.push(bar.value); + }); + return values; + }; + + var scaleOptions = { + templateString : this.options.scaleLabel, + height : this.chart.height, + width : this.chart.width, + ctx : this.chart.ctx, + textColor : this.options.scaleFontColor, + fontSize : this.options.scaleFontSize, + fontStyle : this.options.scaleFontStyle, + fontFamily : this.options.scaleFontFamily, + valuesCount : labels.length, + beginAtZero : this.options.scaleBeginAtZero, + integersOnly : this.options.scaleIntegersOnly, + calculateYRange: function(currentHeight){ + var updatedRanges = helpers.calculateScaleRange( + dataTotal(), + currentHeight, + this.fontSize, + this.beginAtZero, + this.integersOnly + ); + helpers.extend(this, updatedRanges); + }, + xLabels : labels, + font : helpers.fontString(this.options.scaleFontSize, this.options.scaleFontStyle, this.options.scaleFontFamily), + lineWidth : this.options.scaleLineWidth, + lineColor : this.options.scaleLineColor, + showHorizontalLines : this.options.scaleShowHorizontalLines, + showVerticalLines : this.options.scaleShowVerticalLines, + gridLineWidth : (this.options.scaleShowGridLines) ? this.options.scaleGridLineWidth : 0, + gridLineColor : (this.options.scaleShowGridLines) ? this.options.scaleGridLineColor : "rgba(0,0,0,0)", + padding : (this.options.showScale) ? 0 : (this.options.barShowStroke) ? this.options.barStrokeWidth : 0, + showLabels : this.options.scaleShowLabels, + display : this.options.showScale + }; + + if (this.options.scaleOverride){ + helpers.extend(scaleOptions, { + calculateYRange: helpers.noop, + steps: this.options.scaleSteps, + stepValue: this.options.scaleStepWidth, + min: this.options.scaleStartValue, + max: this.options.scaleStartValue + (this.options.scaleSteps * this.options.scaleStepWidth) + }); + } + + this.scale = new this.ScaleClass(scaleOptions); + }, + addData : function(valuesArray,label){ + //Map the values array for each of the datasets + helpers.each(valuesArray,function(value,datasetIndex){ + //Add a new point for each piece of data, passing any required data to draw. + this.datasets[datasetIndex].bars.push(new this.BarClass({ + value : value, + label : label, + x: this.scale.calculateBarX(this.datasets.length, datasetIndex, this.scale.valuesCount+1), + y: this.scale.endPoint, + width : this.scale.calculateBarWidth(this.datasets.length), + base : this.scale.endPoint, + strokeColor : this.datasets[datasetIndex].strokeColor, + fillColor : this.datasets[datasetIndex].fillColor + })); + },this); + + this.scale.addXLabel(label); + //Then re-render the chart. + this.update(); + }, + removeData : function(){ + this.scale.removeXLabel(); + //Then re-render the chart. + helpers.each(this.datasets,function(dataset){ + dataset.bars.shift(); + },this); + this.update(); + }, + reflow : function(){ + helpers.extend(this.BarClass.prototype,{ + y: this.scale.endPoint, + base : this.scale.endPoint + }); + var newScaleProps = helpers.extend({ + height : this.chart.height, + width : this.chart.width + }); + this.scale.update(newScaleProps); + }, + draw : function(ease){ + var easingDecimal = ease || 1; + this.clear(); + + var ctx = this.chart.ctx; + + this.scale.draw(easingDecimal); + + //Draw all the bars for each dataset + helpers.each(this.datasets,function(dataset,datasetIndex){ + helpers.each(dataset.bars,function(bar,index){ + if (bar.hasValue()){ + bar.base = this.scale.endPoint; + //Transition then draw + bar.transition({ + x : this.scale.calculateBarX(this.datasets.length, datasetIndex, index), + y : this.scale.calculateY(bar.value), + width : this.scale.calculateBarWidth(this.datasets.length) + }, easingDecimal).draw(); + } + },this); + + },this); + } + }); + + +}).call(this); + +(function(){ + "use strict"; + + var root = this, + Chart = root.Chart, + //Cache a local reference to Chart.helpers + helpers = Chart.helpers; + + var defaultConfig = { + //Boolean - Whether we should show a stroke on each segment + segmentShowStroke : true, + + //String - The colour of each segment stroke + segmentStrokeColor : "#fff", + + //Number - The width of each segment stroke + segmentStrokeWidth : 2, + + //The percentage of the chart that we cut out of the middle. + percentageInnerCutout : 50, + + //Number - Amount of animation steps + animationSteps : 100, + + //String - Animation easing effect + animationEasing : "easeOutBounce", + + //Boolean - Whether we animate the rotation of the Doughnut + animateRotate : true, + + //Boolean - Whether we animate scaling the Doughnut from the centre + animateScale : false, + + //String - A legend template + legendTemplate : "
    -legend\"><% for (var i=0; i
  • \"><%if(segments[i].label){%><%=segments[i].label%><%}%>
  • <%}%>
" + + }; + + + Chart.Type.extend({ + //Passing in a name registers this chart in the Chart namespace + name: "Doughnut", + //Providing a defaults will also register the deafults in the chart namespace + defaults : defaultConfig, + //Initialize is fired when the chart is initialized - Data is passed in as a parameter + //Config is automatically merged by the core of Chart.js, and is available at this.options + initialize: function(data){ + + //Declare segments as a static property to prevent inheriting across the Chart type prototype + this.segments = []; + this.outerRadius = (helpers.min([this.chart.width,this.chart.height]) - this.options.segmentStrokeWidth/2)/2; + + this.SegmentArc = Chart.Arc.extend({ + ctx : this.chart.ctx, + x : this.chart.width/2, + y : this.chart.height/2 + }); + + //Set up tooltip events on the chart + if (this.options.showTooltips){ + helpers.bindEvents(this, this.options.tooltipEvents, function(evt){ + var activeSegments = (evt.type !== 'mouseout') ? this.getSegmentsAtEvent(evt) : []; + + helpers.each(this.segments,function(segment){ + segment.restore(["fillColor"]); + }); + helpers.each(activeSegments,function(activeSegment){ + activeSegment.fillColor = activeSegment.highlightColor; + }); + this.showTooltip(activeSegments); + }); + } + this.calculateTotal(data); + + helpers.each(data,function(datapoint, index){ + this.addData(datapoint, index, true); + },this); + + this.render(); + }, + getSegmentsAtEvent : function(e){ + var segmentsArray = []; + + var location = helpers.getRelativePosition(e); + + helpers.each(this.segments,function(segment){ + if (segment.inRange(location.x,location.y)) segmentsArray.push(segment); + },this); + return segmentsArray; + }, + addData : function(segment, atIndex, silent){ + var index = atIndex || this.segments.length; + this.segments.splice(index, 0, new this.SegmentArc({ + value : segment.value, + outerRadius : (this.options.animateScale) ? 0 : this.outerRadius, + innerRadius : (this.options.animateScale) ? 0 : (this.outerRadius/100) * this.options.percentageInnerCutout, + fillColor : segment.color, + highlightColor : segment.highlight || segment.color, + showStroke : this.options.segmentShowStroke, + strokeWidth : this.options.segmentStrokeWidth, + strokeColor : this.options.segmentStrokeColor, + startAngle : Math.PI * 1.5, + circumference : (this.options.animateRotate) ? 0 : this.calculateCircumference(segment.value), + label : segment.label + })); + if (!silent){ + this.reflow(); + this.update(); + } + }, + calculateCircumference : function(value){ + return (Math.PI*2)*(value / this.total); + }, + calculateTotal : function(data){ + this.total = 0; + helpers.each(data,function(segment){ + this.total += segment.value; + },this); + }, + update : function(){ + this.calculateTotal(this.segments); + + // Reset any highlight colours before updating. + helpers.each(this.activeElements, function(activeElement){ + activeElement.restore(['fillColor']); + }); + + helpers.each(this.segments,function(segment){ + segment.save(); + }); + this.render(); + }, + + removeData: function(atIndex){ + var indexToDelete = (helpers.isNumber(atIndex)) ? atIndex : this.segments.length-1; + this.segments.splice(indexToDelete, 1); + this.reflow(); + this.update(); + }, + + reflow : function(){ + helpers.extend(this.SegmentArc.prototype,{ + x : this.chart.width/2, + y : this.chart.height/2 + }); + this.outerRadius = (helpers.min([this.chart.width,this.chart.height]) - this.options.segmentStrokeWidth/2)/2; + helpers.each(this.segments, function(segment){ + segment.update({ + outerRadius : this.outerRadius, + innerRadius : (this.outerRadius/100) * this.options.percentageInnerCutout + }); + }, this); + }, + draw : function(easeDecimal){ + var animDecimal = (easeDecimal) ? easeDecimal : 1; + this.clear(); + helpers.each(this.segments,function(segment,index){ + segment.transition({ + circumference : this.calculateCircumference(segment.value), + outerRadius : this.outerRadius, + innerRadius : (this.outerRadius/100) * this.options.percentageInnerCutout + },animDecimal); + + segment.endAngle = segment.startAngle + segment.circumference; + + segment.draw(); + if (index === 0){ + segment.startAngle = Math.PI * 1.5; + } + //Check to see if it's the last segment, if not get the next and update the start angle + if (index < this.segments.length-1){ + this.segments[index+1].startAngle = segment.endAngle; + } + },this); + + } + }); + + Chart.types.Doughnut.extend({ + name : "Pie", + defaults : helpers.merge(defaultConfig,{percentageInnerCutout : 0}) + }); + +}).call(this); +(function(){ + "use strict"; + + var root = this, + Chart = root.Chart, + helpers = Chart.helpers; + + var defaultConfig = { + + ///Boolean - Whether grid lines are shown across the chart + scaleShowGridLines : true, + + //String - Colour of the grid lines + scaleGridLineColor : "rgba(0,0,0,.05)", + + //Number - Width of the grid lines + scaleGridLineWidth : 1, + + //Boolean - Whether to show horizontal lines (except X axis) + scaleShowHorizontalLines: true, + + //Boolean - Whether to show vertical lines (except Y axis) + scaleShowVerticalLines: true, + + //Boolean - Whether the line is curved between points + bezierCurve : true, + + //Number - Tension of the bezier curve between points + bezierCurveTension : 0.4, + + //Boolean - Whether to show a dot for each point + pointDot : true, + + //Number - Radius of each point dot in pixels + pointDotRadius : 4, + + //Number - Pixel width of point dot stroke + pointDotStrokeWidth : 1, + + //Number - amount extra to add to the radius to cater for hit detection outside the drawn point + pointHitDetectionRadius : 20, + + //Boolean - Whether to show a stroke for datasets + datasetStroke : true, + + //Number - Pixel width of dataset stroke + datasetStrokeWidth : 2, + + //Boolean - Whether to fill the dataset with a colour + datasetFill : true, + + //String - A legend template + legendTemplate : "
    -legend\"><% for (var i=0; i
  • \"><%if(datasets[i].label){%><%=datasets[i].label%><%}%>
  • <%}%>
" + + }; + + + Chart.Type.extend({ + name: "Line", + defaults : defaultConfig, + initialize: function(data){ + //Declare the extension of the default point, to cater for the options passed in to the constructor + this.PointClass = Chart.Point.extend({ + strokeWidth : this.options.pointDotStrokeWidth, + radius : this.options.pointDotRadius, + display: this.options.pointDot, + hitDetectionRadius : this.options.pointHitDetectionRadius, + ctx : this.chart.ctx, + inRange : function(mouseX){ + return (Math.pow(mouseX-this.x, 2) < Math.pow(this.radius + this.hitDetectionRadius,2)); + } + }); + + this.datasets = []; + + //Set up tooltip events on the chart + if (this.options.showTooltips){ + helpers.bindEvents(this, this.options.tooltipEvents, function(evt){ + var activePoints = (evt.type !== 'mouseout') ? this.getPointsAtEvent(evt) : []; + this.eachPoints(function(point){ + point.restore(['fillColor', 'strokeColor']); + }); + helpers.each(activePoints, function(activePoint){ + activePoint.fillColor = activePoint.highlightFill; + activePoint.strokeColor = activePoint.highlightStroke; + }); + this.showTooltip(activePoints); + }); + } + + //Iterate through each of the datasets, and build this into a property of the chart + helpers.each(data.datasets,function(dataset){ + + var datasetObject = { + label : dataset.label || null, + fillColor : dataset.fillColor, + strokeColor : dataset.strokeColor, + pointColor : dataset.pointColor, + pointStrokeColor : dataset.pointStrokeColor, + points : [] + }; + + this.datasets.push(datasetObject); + + + helpers.each(dataset.data,function(dataPoint,index){ + //Add a new point for each piece of data, passing any required data to draw. + datasetObject.points.push(new this.PointClass({ + value : dataPoint, + label : data.labels[index], + datasetLabel: dataset.label, + strokeColor : dataset.pointStrokeColor, + fillColor : dataset.pointColor, + highlightFill : dataset.pointHighlightFill || dataset.pointColor, + highlightStroke : dataset.pointHighlightStroke || dataset.pointStrokeColor + })); + },this); + + this.buildScale(data.labels); + + + this.eachPoints(function(point, index){ + helpers.extend(point, { + x: this.scale.calculateX(index), + y: this.scale.endPoint + }); + point.save(); + }, this); + + },this); + + + this.render(); + }, + update : function(){ + this.scale.update(); + // Reset any highlight colours before updating. + helpers.each(this.activeElements, function(activeElement){ + activeElement.restore(['fillColor', 'strokeColor']); + }); + this.eachPoints(function(point){ + point.save(); + }); + this.render(); + }, + eachPoints : function(callback){ + helpers.each(this.datasets,function(dataset){ + helpers.each(dataset.points,callback,this); + },this); + }, + getPointsAtEvent : function(e){ + var pointsArray = [], + eventPosition = helpers.getRelativePosition(e); + helpers.each(this.datasets,function(dataset){ + helpers.each(dataset.points,function(point){ + if (point.inRange(eventPosition.x,eventPosition.y)) pointsArray.push(point); + }); + },this); + return pointsArray; + }, + buildScale : function(labels){ + var self = this; + + var dataTotal = function(){ + var values = []; + self.eachPoints(function(point){ + values.push(point.value); + }); + + return values; + }; + + var scaleOptions = { + templateString : this.options.scaleLabel, + height : this.chart.height, + width : this.chart.width, + ctx : this.chart.ctx, + textColor : this.options.scaleFontColor, + fontSize : this.options.scaleFontSize, + fontStyle : this.options.scaleFontStyle, + fontFamily : this.options.scaleFontFamily, + valuesCount : labels.length, + beginAtZero : this.options.scaleBeginAtZero, + integersOnly : this.options.scaleIntegersOnly, + calculateYRange : function(currentHeight){ + var updatedRanges = helpers.calculateScaleRange( + dataTotal(), + currentHeight, + this.fontSize, + this.beginAtZero, + this.integersOnly + ); + helpers.extend(this, updatedRanges); + }, + xLabels : labels, + font : helpers.fontString(this.options.scaleFontSize, this.options.scaleFontStyle, this.options.scaleFontFamily), + lineWidth : this.options.scaleLineWidth, + lineColor : this.options.scaleLineColor, + showHorizontalLines : this.options.scaleShowHorizontalLines, + showVerticalLines : this.options.scaleShowVerticalLines, + gridLineWidth : (this.options.scaleShowGridLines) ? this.options.scaleGridLineWidth : 0, + gridLineColor : (this.options.scaleShowGridLines) ? this.options.scaleGridLineColor : "rgba(0,0,0,0)", + padding: (this.options.showScale) ? 0 : this.options.pointDotRadius + this.options.pointDotStrokeWidth, + showLabels : this.options.scaleShowLabels, + display : this.options.showScale + }; + + if (this.options.scaleOverride){ + helpers.extend(scaleOptions, { + calculateYRange: helpers.noop, + steps: this.options.scaleSteps, + stepValue: this.options.scaleStepWidth, + min: this.options.scaleStartValue, + max: this.options.scaleStartValue + (this.options.scaleSteps * this.options.scaleStepWidth) + }); + } + + + this.scale = new Chart.Scale(scaleOptions); + }, + addData : function(valuesArray,label){ + //Map the values array for each of the datasets + + helpers.each(valuesArray,function(value,datasetIndex){ + //Add a new point for each piece of data, passing any required data to draw. + this.datasets[datasetIndex].points.push(new this.PointClass({ + value : value, + label : label, + x: this.scale.calculateX(this.scale.valuesCount+1), + y: this.scale.endPoint, + strokeColor : this.datasets[datasetIndex].pointStrokeColor, + fillColor : this.datasets[datasetIndex].pointColor + })); + },this); + + this.scale.addXLabel(label); + //Then re-render the chart. + this.update(); + }, + removeData : function(){ + this.scale.removeXLabel(); + //Then re-render the chart. + helpers.each(this.datasets,function(dataset){ + dataset.points.shift(); + },this); + this.update(); + }, + reflow : function(){ + var newScaleProps = helpers.extend({ + height : this.chart.height, + width : this.chart.width + }); + this.scale.update(newScaleProps); + }, + draw : function(ease){ + var easingDecimal = ease || 1; + this.clear(); + + var ctx = this.chart.ctx; + + // Some helper methods for getting the next/prev points + var hasValue = function(item){ + return item.value !== null; + }, + nextPoint = function(point, collection, index){ + return helpers.findNextWhere(collection, hasValue, index) || point; + }, + previousPoint = function(point, collection, index){ + return helpers.findPreviousWhere(collection, hasValue, index) || point; + }; + + this.scale.draw(easingDecimal); + + + helpers.each(this.datasets,function(dataset){ + var pointsWithValues = helpers.where(dataset.points, hasValue); + + //Transition each point first so that the line and point drawing isn't out of sync + //We can use this extra loop to calculate the control points of this dataset also in this loop + + helpers.each(dataset.points, function(point, index){ + if (point.hasValue()){ + point.transition({ + y : this.scale.calculateY(point.value), + x : this.scale.calculateX(index) + }, easingDecimal); + } + },this); + + + // Control points need to be calculated in a seperate loop, because we need to know the current x/y of the point + // This would cause issues when there is no animation, because the y of the next point would be 0, so beziers would be skewed + if (this.options.bezierCurve){ + helpers.each(pointsWithValues, function(point, index){ + var tension = (index > 0 && index < pointsWithValues.length - 1) ? this.options.bezierCurveTension : 0; + point.controlPoints = helpers.splineCurve( + previousPoint(point, pointsWithValues, index), + point, + nextPoint(point, pointsWithValues, index), + tension + ); + + // Prevent the bezier going outside of the bounds of the graph + + // Cap puter bezier handles to the upper/lower scale bounds + if (point.controlPoints.outer.y > this.scale.endPoint){ + point.controlPoints.outer.y = this.scale.endPoint; + } + else if (point.controlPoints.outer.y < this.scale.startPoint){ + point.controlPoints.outer.y = this.scale.startPoint; + } + + // Cap inner bezier handles to the upper/lower scale bounds + if (point.controlPoints.inner.y > this.scale.endPoint){ + point.controlPoints.inner.y = this.scale.endPoint; + } + else if (point.controlPoints.inner.y < this.scale.startPoint){ + point.controlPoints.inner.y = this.scale.startPoint; + } + },this); + } + + + //Draw the line between all the points + ctx.lineWidth = this.options.datasetStrokeWidth; + ctx.strokeStyle = dataset.strokeColor; + ctx.beginPath(); + + helpers.each(pointsWithValues, function(point, index){ + if (index === 0){ + ctx.moveTo(point.x, point.y); + } + else{ + if(this.options.bezierCurve){ + var previous = previousPoint(point, pointsWithValues, index); + + ctx.bezierCurveTo( + previous.controlPoints.outer.x, + previous.controlPoints.outer.y, + point.controlPoints.inner.x, + point.controlPoints.inner.y, + point.x, + point.y + ); + } + else{ + ctx.lineTo(point.x,point.y); + } + } + }, this); + + ctx.stroke(); + + if (this.options.datasetFill && pointsWithValues.length > 0){ + //Round off the line by going to the base of the chart, back to the start, then fill. + ctx.lineTo(pointsWithValues[pointsWithValues.length - 1].x, this.scale.endPoint); + ctx.lineTo(pointsWithValues[0].x, this.scale.endPoint); + ctx.fillStyle = dataset.fillColor; + ctx.closePath(); + ctx.fill(); + } + + //Now draw the points over the line + //A little inefficient double looping, but better than the line + //lagging behind the point positions + helpers.each(pointsWithValues,function(point){ + point.draw(); + }); + },this); + } + }); + + +}).call(this); + +(function(){ + "use strict"; + + var root = this, + Chart = root.Chart, + //Cache a local reference to Chart.helpers + helpers = Chart.helpers; + + var defaultConfig = { + //Boolean - Show a backdrop to the scale label + scaleShowLabelBackdrop : true, + + //String - The colour of the label backdrop + scaleBackdropColor : "rgba(255,255,255,0.75)", + + // Boolean - Whether the scale should begin at zero + scaleBeginAtZero : true, + + //Number - The backdrop padding above & below the label in pixels + scaleBackdropPaddingY : 2, + + //Number - The backdrop padding to the side of the label in pixels + scaleBackdropPaddingX : 2, + + //Boolean - Show line for each value in the scale + scaleShowLine : true, + + //Boolean - Stroke a line around each segment in the chart + segmentShowStroke : true, + + //String - The colour of the stroke on each segement. + segmentStrokeColor : "#fff", + + //Number - The width of the stroke value in pixels + segmentStrokeWidth : 2, + + //Number - Amount of animation steps + animationSteps : 100, + + //String - Animation easing effect. + animationEasing : "easeOutBounce", + + //Boolean - Whether to animate the rotation of the chart + animateRotate : true, + + //Boolean - Whether to animate scaling the chart from the centre + animateScale : false, + + //String - A legend template + legendTemplate : "
    -legend\"><% for (var i=0; i
  • \"><%if(segments[i].label){%><%=segments[i].label%><%}%>
  • <%}%>
" + }; + + + Chart.Type.extend({ + //Passing in a name registers this chart in the Chart namespace + name: "PolarArea", + //Providing a defaults will also register the deafults in the chart namespace + defaults : defaultConfig, + //Initialize is fired when the chart is initialized - Data is passed in as a parameter + //Config is automatically merged by the core of Chart.js, and is available at this.options + initialize: function(data){ + this.segments = []; + //Declare segment class as a chart instance specific class, so it can share props for this instance + this.SegmentArc = Chart.Arc.extend({ + showStroke : this.options.segmentShowStroke, + strokeWidth : this.options.segmentStrokeWidth, + strokeColor : this.options.segmentStrokeColor, + ctx : this.chart.ctx, + innerRadius : 0, + x : this.chart.width/2, + y : this.chart.height/2 + }); + this.scale = new Chart.RadialScale({ + display: this.options.showScale, + fontStyle: this.options.scaleFontStyle, + fontSize: this.options.scaleFontSize, + fontFamily: this.options.scaleFontFamily, + fontColor: this.options.scaleFontColor, + showLabels: this.options.scaleShowLabels, + showLabelBackdrop: this.options.scaleShowLabelBackdrop, + backdropColor: this.options.scaleBackdropColor, + backdropPaddingY : this.options.scaleBackdropPaddingY, + backdropPaddingX: this.options.scaleBackdropPaddingX, + lineWidth: (this.options.scaleShowLine) ? this.options.scaleLineWidth : 0, + lineColor: this.options.scaleLineColor, + lineArc: true, + width: this.chart.width, + height: this.chart.height, + xCenter: this.chart.width/2, + yCenter: this.chart.height/2, + ctx : this.chart.ctx, + templateString: this.options.scaleLabel, + valuesCount: data.length + }); + + this.updateScaleRange(data); + + this.scale.update(); + + helpers.each(data,function(segment,index){ + this.addData(segment,index,true); + },this); + + //Set up tooltip events on the chart + if (this.options.showTooltips){ + helpers.bindEvents(this, this.options.tooltipEvents, function(evt){ + var activeSegments = (evt.type !== 'mouseout') ? this.getSegmentsAtEvent(evt) : []; + helpers.each(this.segments,function(segment){ + segment.restore(["fillColor"]); + }); + helpers.each(activeSegments,function(activeSegment){ + activeSegment.fillColor = activeSegment.highlightColor; + }); + this.showTooltip(activeSegments); + }); + } + + this.render(); + }, + getSegmentsAtEvent : function(e){ + var segmentsArray = []; + + var location = helpers.getRelativePosition(e); + + helpers.each(this.segments,function(segment){ + if (segment.inRange(location.x,location.y)) segmentsArray.push(segment); + },this); + return segmentsArray; + }, + addData : function(segment, atIndex, silent){ + var index = atIndex || this.segments.length; + + this.segments.splice(index, 0, new this.SegmentArc({ + fillColor: segment.color, + highlightColor: segment.highlight || segment.color, + label: segment.label, + value: segment.value, + outerRadius: (this.options.animateScale) ? 0 : this.scale.calculateCenterOffset(segment.value), + circumference: (this.options.animateRotate) ? 0 : this.scale.getCircumference(), + startAngle: Math.PI * 1.5 + })); + if (!silent){ + this.reflow(); + this.update(); + } + }, + removeData: function(atIndex){ + var indexToDelete = (helpers.isNumber(atIndex)) ? atIndex : this.segments.length-1; + this.segments.splice(indexToDelete, 1); + this.reflow(); + this.update(); + }, + calculateTotal: function(data){ + this.total = 0; + helpers.each(data,function(segment){ + this.total += segment.value; + },this); + this.scale.valuesCount = this.segments.length; + }, + updateScaleRange: function(datapoints){ + var valuesArray = []; + helpers.each(datapoints,function(segment){ + valuesArray.push(segment.value); + }); + + var scaleSizes = (this.options.scaleOverride) ? + { + steps: this.options.scaleSteps, + stepValue: this.options.scaleStepWidth, + min: this.options.scaleStartValue, + max: this.options.scaleStartValue + (this.options.scaleSteps * this.options.scaleStepWidth) + } : + helpers.calculateScaleRange( + valuesArray, + helpers.min([this.chart.width, this.chart.height])/2, + this.options.scaleFontSize, + this.options.scaleBeginAtZero, + this.options.scaleIntegersOnly + ); + + helpers.extend( + this.scale, + scaleSizes, + { + size: helpers.min([this.chart.width, this.chart.height]), + xCenter: this.chart.width/2, + yCenter: this.chart.height/2 + } + ); + + }, + update : function(){ + this.calculateTotal(this.segments); + + helpers.each(this.segments,function(segment){ + segment.save(); + }); + this.render(); + }, + reflow : function(){ + helpers.extend(this.SegmentArc.prototype,{ + x : this.chart.width/2, + y : this.chart.height/2 + }); + this.updateScaleRange(this.segments); + this.scale.update(); + + helpers.extend(this.scale,{ + xCenter: this.chart.width/2, + yCenter: this.chart.height/2 + }); + + helpers.each(this.segments, function(segment){ + segment.update({ + outerRadius : this.scale.calculateCenterOffset(segment.value) + }); + }, this); + + }, + draw : function(ease){ + var easingDecimal = ease || 1; + //Clear & draw the canvas + this.clear(); + helpers.each(this.segments,function(segment, index){ + segment.transition({ + circumference : this.scale.getCircumference(), + outerRadius : this.scale.calculateCenterOffset(segment.value) + },easingDecimal); + + segment.endAngle = segment.startAngle + segment.circumference; + + // If we've removed the first segment we need to set the first one to + // start at the top. + if (index === 0){ + segment.startAngle = Math.PI * 1.5; + } + + //Check to see if it's the last segment, if not get the next and update the start angle + if (index < this.segments.length - 1){ + this.segments[index+1].startAngle = segment.endAngle; + } + segment.draw(); + }, this); + this.scale.draw(); + } + }); + +}).call(this); +(function(){ + "use strict"; + + var root = this, + Chart = root.Chart, + helpers = Chart.helpers; + + + + Chart.Type.extend({ + name: "Radar", + defaults:{ + //Boolean - Whether to show lines for each scale point + scaleShowLine : true, + + //Boolean - Whether we show the angle lines out of the radar + angleShowLineOut : true, + + //Boolean - Whether to show labels on the scale + scaleShowLabels : false, + + // Boolean - Whether the scale should begin at zero + scaleBeginAtZero : true, + + //String - Colour of the angle line + angleLineColor : "rgba(0,0,0,.1)", + + //Number - Pixel width of the angle line + angleLineWidth : 1, + + //String - Point label font declaration + pointLabelFontFamily : "'Arial'", + + //String - Point label font weight + pointLabelFontStyle : "normal", + + //Number - Point label font size in pixels + pointLabelFontSize : 10, + + //String - Point label font colour + pointLabelFontColor : "#666", + + //Boolean - Whether to show a dot for each point + pointDot : true, + + //Number - Radius of each point dot in pixels + pointDotRadius : 3, + + //Number - Pixel width of point dot stroke + pointDotStrokeWidth : 1, + + //Number - amount extra to add to the radius to cater for hit detection outside the drawn point + pointHitDetectionRadius : 20, + + //Boolean - Whether to show a stroke for datasets + datasetStroke : true, + + //Number - Pixel width of dataset stroke + datasetStrokeWidth : 2, + + //Boolean - Whether to fill the dataset with a colour + datasetFill : true, + + //String - A legend template + legendTemplate : "
    -legend\"><% for (var i=0; i
  • \"><%if(datasets[i].label){%><%=datasets[i].label%><%}%>
  • <%}%>
" + + }, + + initialize: function(data){ + this.PointClass = Chart.Point.extend({ + strokeWidth : this.options.pointDotStrokeWidth, + radius : this.options.pointDotRadius, + display: this.options.pointDot, + hitDetectionRadius : this.options.pointHitDetectionRadius, + ctx : this.chart.ctx + }); + + this.datasets = []; + + this.buildScale(data); + + //Set up tooltip events on the chart + if (this.options.showTooltips){ + helpers.bindEvents(this, this.options.tooltipEvents, function(evt){ + var activePointsCollection = (evt.type !== 'mouseout') ? this.getPointsAtEvent(evt) : []; + + this.eachPoints(function(point){ + point.restore(['fillColor', 'strokeColor']); + }); + helpers.each(activePointsCollection, function(activePoint){ + activePoint.fillColor = activePoint.highlightFill; + activePoint.strokeColor = activePoint.highlightStroke; + }); + + this.showTooltip(activePointsCollection); + }); + } + + //Iterate through each of the datasets, and build this into a property of the chart + helpers.each(data.datasets,function(dataset){ + + var datasetObject = { + label: dataset.label || null, + fillColor : dataset.fillColor, + strokeColor : dataset.strokeColor, + pointColor : dataset.pointColor, + pointStrokeColor : dataset.pointStrokeColor, + points : [] + }; + + this.datasets.push(datasetObject); + + helpers.each(dataset.data,function(dataPoint,index){ + //Add a new point for each piece of data, passing any required data to draw. + var pointPosition; + if (!this.scale.animation){ + pointPosition = this.scale.getPointPosition(index, this.scale.calculateCenterOffset(dataPoint)); + } + datasetObject.points.push(new this.PointClass({ + value : dataPoint, + label : data.labels[index], + datasetLabel: dataset.label, + x: (this.options.animation) ? this.scale.xCenter : pointPosition.x, + y: (this.options.animation) ? this.scale.yCenter : pointPosition.y, + strokeColor : dataset.pointStrokeColor, + fillColor : dataset.pointColor, + highlightFill : dataset.pointHighlightFill || dataset.pointColor, + highlightStroke : dataset.pointHighlightStroke || dataset.pointStrokeColor + })); + },this); + + },this); + + this.render(); + }, + eachPoints : function(callback){ + helpers.each(this.datasets,function(dataset){ + helpers.each(dataset.points,callback,this); + },this); + }, + + getPointsAtEvent : function(evt){ + var mousePosition = helpers.getRelativePosition(evt), + fromCenter = helpers.getAngleFromPoint({ + x: this.scale.xCenter, + y: this.scale.yCenter + }, mousePosition); + + var anglePerIndex = (Math.PI * 2) /this.scale.valuesCount, + pointIndex = Math.round((fromCenter.angle - Math.PI * 1.5) / anglePerIndex), + activePointsCollection = []; + + // If we're at the top, make the pointIndex 0 to get the first of the array. + if (pointIndex >= this.scale.valuesCount || pointIndex < 0){ + pointIndex = 0; + } + + if (fromCenter.distance <= this.scale.drawingArea){ + helpers.each(this.datasets, function(dataset){ + activePointsCollection.push(dataset.points[pointIndex]); + }); + } + + return activePointsCollection; + }, + + buildScale : function(data){ + this.scale = new Chart.RadialScale({ + display: this.options.showScale, + fontStyle: this.options.scaleFontStyle, + fontSize: this.options.scaleFontSize, + fontFamily: this.options.scaleFontFamily, + fontColor: this.options.scaleFontColor, + showLabels: this.options.scaleShowLabels, + showLabelBackdrop: this.options.scaleShowLabelBackdrop, + backdropColor: this.options.scaleBackdropColor, + backdropPaddingY : this.options.scaleBackdropPaddingY, + backdropPaddingX: this.options.scaleBackdropPaddingX, + lineWidth: (this.options.scaleShowLine) ? this.options.scaleLineWidth : 0, + lineColor: this.options.scaleLineColor, + angleLineColor : this.options.angleLineColor, + angleLineWidth : (this.options.angleShowLineOut) ? this.options.angleLineWidth : 0, + // Point labels at the edge of each line + pointLabelFontColor : this.options.pointLabelFontColor, + pointLabelFontSize : this.options.pointLabelFontSize, + pointLabelFontFamily : this.options.pointLabelFontFamily, + pointLabelFontStyle : this.options.pointLabelFontStyle, + height : this.chart.height, + width: this.chart.width, + xCenter: this.chart.width/2, + yCenter: this.chart.height/2, + ctx : this.chart.ctx, + templateString: this.options.scaleLabel, + labels: data.labels, + valuesCount: data.datasets[0].data.length + }); + + this.scale.setScaleSize(); + this.updateScaleRange(data.datasets); + this.scale.buildYLabels(); + }, + updateScaleRange: function(datasets){ + var valuesArray = (function(){ + var totalDataArray = []; + helpers.each(datasets,function(dataset){ + if (dataset.data){ + totalDataArray = totalDataArray.concat(dataset.data); + } + else { + helpers.each(dataset.points, function(point){ + totalDataArray.push(point.value); + }); + } + }); + return totalDataArray; + })(); + + + var scaleSizes = (this.options.scaleOverride) ? + { + steps: this.options.scaleSteps, + stepValue: this.options.scaleStepWidth, + min: this.options.scaleStartValue, + max: this.options.scaleStartValue + (this.options.scaleSteps * this.options.scaleStepWidth) + } : + helpers.calculateScaleRange( + valuesArray, + helpers.min([this.chart.width, this.chart.height])/2, + this.options.scaleFontSize, + this.options.scaleBeginAtZero, + this.options.scaleIntegersOnly + ); + + helpers.extend( + this.scale, + scaleSizes + ); + + }, + addData : function(valuesArray,label){ + //Map the values array for each of the datasets + this.scale.valuesCount++; + helpers.each(valuesArray,function(value,datasetIndex){ + var pointPosition = this.scale.getPointPosition(this.scale.valuesCount, this.scale.calculateCenterOffset(value)); + this.datasets[datasetIndex].points.push(new this.PointClass({ + value : value, + label : label, + x: pointPosition.x, + y: pointPosition.y, + strokeColor : this.datasets[datasetIndex].pointStrokeColor, + fillColor : this.datasets[datasetIndex].pointColor + })); + },this); + + this.scale.labels.push(label); + + this.reflow(); + + this.update(); + }, + removeData : function(){ + this.scale.valuesCount--; + this.scale.labels.shift(); + helpers.each(this.datasets,function(dataset){ + dataset.points.shift(); + },this); + this.reflow(); + this.update(); + }, + update : function(){ + this.eachPoints(function(point){ + point.save(); + }); + this.reflow(); + this.render(); + }, + reflow: function(){ + helpers.extend(this.scale, { + width : this.chart.width, + height: this.chart.height, + size : helpers.min([this.chart.width, this.chart.height]), + xCenter: this.chart.width/2, + yCenter: this.chart.height/2 + }); + this.updateScaleRange(this.datasets); + this.scale.setScaleSize(); + this.scale.buildYLabels(); + }, + draw : function(ease){ + var easeDecimal = ease || 1, + ctx = this.chart.ctx; + this.clear(); + this.scale.draw(); + + helpers.each(this.datasets,function(dataset){ + + //Transition each point first so that the line and point drawing isn't out of sync + helpers.each(dataset.points,function(point,index){ + if (point.hasValue()){ + point.transition(this.scale.getPointPosition(index, this.scale.calculateCenterOffset(point.value)), easeDecimal); + } + },this); + + + + //Draw the line between all the points + ctx.lineWidth = this.options.datasetStrokeWidth; + ctx.strokeStyle = dataset.strokeColor; + ctx.beginPath(); + helpers.each(dataset.points,function(point,index){ + if (index === 0){ + ctx.moveTo(point.x,point.y); + } + else{ + ctx.lineTo(point.x,point.y); + } + },this); + ctx.closePath(); + ctx.stroke(); + + ctx.fillStyle = dataset.fillColor; + ctx.fill(); + + //Now draw the points over the line + //A little inefficient double looping, but better than the line + //lagging behind the point positions + helpers.each(dataset.points,function(point){ + if (point.hasValue()){ + point.draw(); + } + }); + + },this); + + } + + }); + + + + + +}).call(this); \ No newline at end of file diff --git a/LNbits/static/plugins/chartjs/Chart.min.js b/LNbits/static/plugins/chartjs/Chart.min.js new file mode 100644 index 00000000..7dd4e43c --- /dev/null +++ b/LNbits/static/plugins/chartjs/Chart.min.js @@ -0,0 +1,11 @@ +/*! + * Chart.js + * http://chartjs.org/ + * Version: 1.0.1 + * + * Copyright 2015 Nick Downie + * Released under the MIT license + * https://github.com/nnnick/Chart.js/blob/master/LICENSE.md + */ +(function(){"use strict";var t=this,i=t.Chart,e=function(t){this.canvas=t.canvas,this.ctx=t;this.width=t.canvas.width,this.height=t.canvas.height;return this.aspectRatio=this.width/this.height,s.retinaScale(this),this};e.defaults={global:{animation:!0,animationSteps:60,animationEasing:"easeOutQuart",showScale:!0,scaleOverride:!1,scaleSteps:null,scaleStepWidth:null,scaleStartValue:null,scaleLineColor:"rgba(0,0,0,.1)",scaleLineWidth:1,scaleShowLabels:!0,scaleLabel:"<%=value%>",scaleIntegersOnly:!0,scaleBeginAtZero:!1,scaleFontFamily:"'Helvetica Neue', 'Helvetica', 'Arial', 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t=this.ctx.measureText(this.title).width,i=W(this.ctx,this.font,this.labels)+this.fontSize+3,e=g([i,t]);this.width=e+2*this.xPadding;var s=this.height/2;this.y-s<0?this.y=s:this.y+s>this.chart.height&&(this.y=this.chart.height-s),this.x>this.chart.width/2?this.x-=this.xOffset+this.width:this.x+=this.xOffset},getLineHeight:function(t){var i=this.y-this.height/2+this.yPadding,e=t-1;return 0===t?i+this.titleFontSize/2:i+(1.5*this.fontSize*e+this.fontSize/2)+1.5*this.titleFontSize},draw:function(){if(this.custom)this.custom(this);else{z(this.ctx,this.x,this.y-this.height/2,this.width,this.height,this.cornerRadius);var t=this.ctx;t.fillStyle=this.fillColor,t.fill(),t.closePath(),t.textAlign="left",t.textBaseline="middle",t.fillStyle=this.titleTextColor,t.font=this.titleFont,t.fillText(this.title,this.x+this.xPadding,this.getLineHeight(0)),t.font=this.font,s.each(this.labels,function(i,e){t.fillStyle=this.textColor,t.fillText(i,this.x+this.xPadding+this.fontSize+3,this.getLineHeight(e+1)),t.fillStyle=this.legendColorBackground,t.fillRect(this.x+this.xPadding,this.getLineHeight(e+1)-this.fontSize/2,this.fontSize,this.fontSize),t.fillStyle=this.legendColors[e].fill,t.fillRect(this.x+this.xPadding,this.getLineHeight(e+1)-this.fontSize/2,this.fontSize,this.fontSize)},this)}}}),e.Scale=e.Element.extend({initialize:function(){this.fit()},buildYLabels:function(){this.yLabels=[];for(var t=v(this.stepValue),i=0;i<=this.steps;i++)this.yLabels.push(C(this.templateString,{value:(this.min+i*this.stepValue).toFixed(t)}));this.yLabelWidth=this.display&&this.showLabels?W(this.ctx,this.font,this.yLabels):0},addXLabel:function(t){this.xLabels.push(t),this.valuesCount++,this.fit()},removeXLabel:function(){this.xLabels.shift(),this.valuesCount--,this.fit()},fit:function(){this.startPoint=this.display?this.fontSize:0,this.endPoint=this.display?this.height-1.5*this.fontSize-5:this.height,this.startPoint+=this.padding,this.endPoint-=this.padding;var t,i=this.endPoint-this.startPoint;for(this.calculateYRange(i),this.buildYLabels(),this.calculateXLabelRotation();i>this.endPoint-this.startPoint;)i=this.endPoint-this.startPoint,t=this.yLabelWidth,this.calculateYRange(i),this.buildYLabels(),tthis.yLabelWidth+10?e/2:this.yLabelWidth+10,this.xLabelRotation=0,this.display){var n,o=W(this.ctx,this.font,this.xLabels);this.xLabelWidth=o;for(var a=Math.floor(this.calculateX(1)-this.calculateX(0))-6;this.xLabelWidth>a&&0===this.xLabelRotation||this.xLabelWidth>a&&this.xLabelRotation<=90&&this.xLabelRotation>0;)n=Math.cos(S(this.xLabelRotation)),t=n*e,i=n*s,t+this.fontSize/2>this.yLabelWidth+8&&(this.xScalePaddingLeft=t+this.fontSize/2),this.xScalePaddingRight=this.fontSize/2,this.xLabelRotation++,this.xLabelWidth=n*o;this.xLabelRotation>0&&(this.endPoint-=Math.sin(S(this.xLabelRotation))*o+3)}else this.xLabelWidth=0,this.xScalePaddingRight=this.padding,this.xScalePaddingLeft=this.padding},calculateYRange:c,drawingArea:function(){return this.startPoint-this.endPoint},calculateY:function(t){var i=this.drawingArea()/(this.min-this.max);return this.endPoint-i*(t-this.min)},calculateX:function(t){var i=(this.xLabelRotation>0,this.width-(this.xScalePaddingLeft+this.xScalePaddingRight)),e=i/(this.valuesCount-(this.offsetGridLines?0:1)),s=e*t+this.xScalePaddingLeft;return this.offsetGridLines&&(s+=e/2),Math.round(s)},update:function(t){s.extend(this,t),this.fit()},draw:function(){var t=this.ctx,i=(this.endPoint-this.startPoint)/this.steps,e=Math.round(this.xScalePaddingLeft);this.display&&(t.fillStyle=this.textColor,t.font=this.font,n(this.yLabels,function(n,o){var a=this.endPoint-i*o,h=Math.round(a),l=this.showHorizontalLines;t.textAlign="right",t.textBaseline="middle",this.showLabels&&t.fillText(n,e-10,a),0!==o||l||(l=!0),l&&t.beginPath(),o>0?(t.lineWidth=this.gridLineWidth,t.strokeStyle=this.gridLineColor):(t.lineWidth=this.lineWidth,t.strokeStyle=this.lineColor),h+=s.aliasPixel(t.lineWidth),l&&(t.moveTo(e,h),t.lineTo(this.width,h),t.stroke(),t.closePath()),t.lineWidth=this.lineWidth,t.strokeStyle=this.lineColor,t.beginPath(),t.moveTo(e-5,h),t.lineTo(e,h),t.stroke(),t.closePath()},this),n(this.xLabels,function(i,e){var s=this.calculateX(e)+x(this.lineWidth),n=this.calculateX(e-(this.offsetGridLines?.5:0))+x(this.lineWidth),o=this.xLabelRotation>0,a=this.showVerticalLines;0!==e||a||(a=!0),a&&t.beginPath(),e>0?(t.lineWidth=this.gridLineWidth,t.strokeStyle=this.gridLineColor):(t.lineWidth=this.lineWidth,t.strokeStyle=this.lineColor),a&&(t.moveTo(n,this.endPoint),t.lineTo(n,this.startPoint-3),t.stroke(),t.closePath()),t.lineWidth=this.lineWidth,t.strokeStyle=this.lineColor,t.beginPath(),t.moveTo(n,this.endPoint),t.lineTo(n,this.endPoint+5),t.stroke(),t.closePath(),t.save(),t.translate(s,o?this.endPoint+12:this.endPoint+8),t.rotate(-1*S(this.xLabelRotation)),t.font=this.font,t.textAlign=o?"right":"center",t.textBaseline=o?"middle":"top",t.fillText(i,0,0),t.restore()},this))}}),e.RadialScale=e.Element.extend({initialize:function(){this.size=m([this.height,this.width]),this.drawingArea=this.display?this.size/2-(this.fontSize/2+this.backdropPaddingY):this.size/2},calculateCenterOffset:function(t){var i=this.drawingArea/(this.max-this.min);return(t-this.min)*i},update:function(){this.lineArc?this.drawingArea=this.display?this.size/2-(this.fontSize/2+this.backdropPaddingY):this.size/2:this.setScaleSize(),this.buildYLabels()},buildYLabels:function(){this.yLabels=[];for(var t=v(this.stepValue),i=0;i<=this.steps;i++)this.yLabels.push(C(this.templateString,{value:(this.min+i*this.stepValue).toFixed(t)}))},getCircumference:function(){return 2*Math.PI/this.valuesCount},setScaleSize:function(){var t,i,e,s,n,o,a,h,l,r,c,u,d=m([this.height/2-this.pointLabelFontSize-5,this.width/2]),p=this.width,g=0;for(this.ctx.font=M(this.pointLabelFontSize,this.pointLabelFontStyle,this.pointLabelFontFamily),i=0;ip&&(p=t.x+s,n=i),t.x-sp&&(p=t.x+e,n=i):i>this.valuesCount/2&&t.x-e0){var s,n=e*(this.drawingArea/this.steps),o=this.yCenter-n;if(this.lineWidth>0)if(t.strokeStyle=this.lineColor,t.lineWidth=this.lineWidth,this.lineArc)t.beginPath(),t.arc(this.xCenter,this.yCenter,n,0,2*Math.PI),t.closePath(),t.stroke();else{t.beginPath();for(var a=0;a=0;i--){if(this.angleLineWidth>0){var e=this.getPointPosition(i,this.calculateCenterOffset(this.max));t.beginPath(),t.moveTo(this.xCenter,this.yCenter),t.lineTo(e.x,e.y),t.stroke(),t.closePath()}var s=this.getPointPosition(i,this.calculateCenterOffset(this.max)+5);t.font=M(this.pointLabelFontSize,this.pointLabelFontStyle,this.pointLabelFontFamily),t.fillStyle=this.pointLabelFontColor;var o=this.labels.length,a=this.labels.length/2,h=a/2,l=h>i||i>o-h,r=i===h||i===o-h;t.textAlign=0===i?"center":i===a?"center":a>i?"left":"right",t.textBaseline=r?"middle":l?"bottom":"top",t.fillText(this.labels[i],s.x,s.y)}}}}}),s.addEvent(window,"resize",function(){var t;return function(){clearTimeout(t),t=setTimeout(function(){n(e.instances,function(t){t.options.responsive&&t.resize(t.render,!0)})},50)}}()),p?define(function(){return e}):"object"==typeof module&&module.exports&&(module.exports=e),t.Chart=e,e.noConflict=function(){return t.Chart=i,e}}).call(this),function(){"use strict";var t=this,i=t.Chart,e=i.helpers,s={scaleBeginAtZero:!0,scaleShowGridLines:!0,scaleGridLineColor:"rgba(0,0,0,.05)",scaleGridLineWidth:1,scaleShowHorizontalLines:!0,scaleShowVerticalLines:!0,barShowStroke:!0,barStrokeWidth:2,barValueSpacing:5,barDatasetSpacing:1,legendTemplate:'
    <% for (var i=0; i
  • <%if(datasets[i].label){%><%=datasets[i].label%><%}%>
  • <%}%>
'};i.Type.extend({name:"Bar",defaults:s,initialize:function(t){var s=this.options;this.ScaleClass=i.Scale.extend({offsetGridLines:!0,calculateBarX:function(t,i,e){var n=this.calculateBaseWidth(),o=this.calculateX(e)-n/2,a=this.calculateBarWidth(t);return o+a*i+i*s.barDatasetSpacing+a/2},calculateBaseWidth:function(){return this.calculateX(1)-this.calculateX(0)-2*s.barValueSpacing},calculateBarWidth:function(t){var i=this.calculateBaseWidth()-(t-1)*s.barDatasetSpacing;return i/t}}),this.datasets=[],this.options.showTooltips&&e.bindEvents(this,this.options.tooltipEvents,function(t){var i="mouseout"!==t.type?this.getBarsAtEvent(t):[];this.eachBars(function(t){t.restore(["fillColor","strokeColor"])}),e.each(i,function(t){t.fillColor=t.highlightFill,t.strokeColor=t.highlightStroke}),this.showTooltip(i)}),this.BarClass=i.Rectangle.extend({strokeWidth:this.options.barStrokeWidth,showStroke:this.options.barShowStroke,ctx:this.chart.ctx}),e.each(t.datasets,function(i){var s={label:i.label||null,fillColor:i.fillColor,strokeColor:i.strokeColor,bars:[]};this.datasets.push(s),e.each(i.data,function(e,n){s.bars.push(new this.BarClass({value:e,label:t.labels[n],datasetLabel:i.label,strokeColor:i.strokeColor,fillColor:i.fillColor,highlightFill:i.highlightFill||i.fillColor,highlightStroke:i.highlightStroke||i.strokeColor}))},this)},this),this.buildScale(t.labels),this.BarClass.prototype.base=this.scale.endPoint,this.eachBars(function(t,i,s){e.extend(t,{width:this.scale.calculateBarWidth(this.datasets.length),x:this.scale.calculateBarX(this.datasets.length,s,i),y:this.scale.endPoint}),t.save()},this),this.render()},update:function(){this.scale.update(),e.each(this.activeElements,function(t){t.restore(["fillColor","strokeColor"])}),this.eachBars(function(t){t.save()}),this.render()},eachBars:function(t){e.each(this.datasets,function(i,s){e.each(i.bars,t,this,s)},this)},getBarsAtEvent:function(t){for(var i,s=[],n=e.getRelativePosition(t),o=function(t){s.push(t.bars[i])},a=0;a<% for (var i=0; i
  • <%if(segments[i].label){%><%=segments[i].label%><%}%>
  • <%}%>'};i.Type.extend({name:"Doughnut",defaults:s,initialize:function(t){this.segments=[],this.outerRadius=(e.min([this.chart.width,this.chart.height])-this.options.segmentStrokeWidth/2)/2,this.SegmentArc=i.Arc.extend({ctx:this.chart.ctx,x:this.chart.width/2,y:this.chart.height/2}),this.options.showTooltips&&e.bindEvents(this,this.options.tooltipEvents,function(t){var i="mouseout"!==t.type?this.getSegmentsAtEvent(t):[];e.each(this.segments,function(t){t.restore(["fillColor"])}),e.each(i,function(t){t.fillColor=t.highlightColor}),this.showTooltip(i)}),this.calculateTotal(t),e.each(t,function(t,i){this.addData(t,i,!0)},this),this.render()},getSegmentsAtEvent:function(t){var i=[],s=e.getRelativePosition(t);return e.each(this.segments,function(t){t.inRange(s.x,s.y)&&i.push(t)},this),i},addData:function(t,i,e){var s=i||this.segments.length;this.segments.splice(s,0,new this.SegmentArc({value:t.value,outerRadius:this.options.animateScale?0:this.outerRadius,innerRadius:this.options.animateScale?0:this.outerRadius/100*this.options.percentageInnerCutout,fillColor:t.color,highlightColor:t.highlight||t.color,showStroke:this.options.segmentShowStroke,strokeWidth:this.options.segmentStrokeWidth,strokeColor:this.options.segmentStrokeColor,startAngle:1.5*Math.PI,circumference:this.options.animateRotate?0:this.calculateCircumference(t.value),label:t.label})),e||(this.reflow(),this.update())},calculateCircumference:function(t){return 2*Math.PI*(t/this.total)},calculateTotal:function(t){this.total=0,e.each(t,function(t){this.total+=t.value},this)},update:function(){this.calculateTotal(this.segments),e.each(this.activeElements,function(t){t.restore(["fillColor"])}),e.each(this.segments,function(t){t.save()}),this.render()},removeData:function(t){var i=e.isNumber(t)?t:this.segments.length-1;this.segments.splice(i,1),this.reflow(),this.update()},reflow:function(){e.extend(this.SegmentArc.prototype,{x:this.chart.width/2,y:this.chart.height/2}),this.outerRadius=(e.min([this.chart.width,this.chart.height])-this.options.segmentStrokeWidth/2)/2,e.each(this.segments,function(t){t.update({outerRadius:this.outerRadius,innerRadius:this.outerRadius/100*this.options.percentageInnerCutout})},this)},draw:function(t){var i=t?t:1;this.clear(),e.each(this.segments,function(t,e){t.transition({circumference:this.calculateCircumference(t.value),outerRadius:this.outerRadius,innerRadius:this.outerRadius/100*this.options.percentageInnerCutout},i),t.endAngle=t.startAngle+t.circumference,t.draw(),0===e&&(t.startAngle=1.5*Math.PI),e<% for (var i=0; i
  • <%if(datasets[i].label){%><%=datasets[i].label%><%}%>
  • <%}%>'};i.Type.extend({name:"Line",defaults:s,initialize:function(t){this.PointClass=i.Point.extend({strokeWidth:this.options.pointDotStrokeWidth,radius:this.options.pointDotRadius,display:this.options.pointDot,hitDetectionRadius:this.options.pointHitDetectionRadius,ctx:this.chart.ctx,inRange:function(t){return Math.pow(t-this.x,2)0&&ithis.scale.endPoint?t.controlPoints.outer.y=this.scale.endPoint:t.controlPoints.outer.ythis.scale.endPoint?t.controlPoints.inner.y=this.scale.endPoint:t.controlPoints.inner.y0&&(s.lineTo(h[h.length-1].x,this.scale.endPoint),s.lineTo(h[0].x,this.scale.endPoint),s.fillStyle=t.fillColor,s.closePath(),s.fill()),e.each(h,function(t){t.draw()})},this)}})}.call(this),function(){"use strict";var t=this,i=t.Chart,e=i.helpers,s={scaleShowLabelBackdrop:!0,scaleBackdropColor:"rgba(255,255,255,0.75)",scaleBeginAtZero:!0,scaleBackdropPaddingY:2,scaleBackdropPaddingX:2,scaleShowLine:!0,segmentShowStroke:!0,segmentStrokeColor:"#fff",segmentStrokeWidth:2,animationSteps:100,animationEasing:"easeOutBounce",animateRotate:!0,animateScale:!1,legendTemplate:'
      <% for (var i=0; i
    • <%if(segments[i].label){%><%=segments[i].label%><%}%>
    • <%}%>
    '};i.Type.extend({name:"PolarArea",defaults:s,initialize:function(t){this.segments=[],this.SegmentArc=i.Arc.extend({showStroke:this.options.segmentShowStroke,strokeWidth:this.options.segmentStrokeWidth,strokeColor:this.options.segmentStrokeColor,ctx:this.chart.ctx,innerRadius:0,x:this.chart.width/2,y:this.chart.height/2}),this.scale=new i.RadialScale({display:this.options.showScale,fontStyle:this.options.scaleFontStyle,fontSize:this.options.scaleFontSize,fontFamily:this.options.scaleFontFamily,fontColor:this.options.scaleFontColor,showLabels:this.options.scaleShowLabels,showLabelBackdrop:this.options.scaleShowLabelBackdrop,backdropColor:this.options.scaleBackdropColor,backdropPaddingY:this.options.scaleBackdropPaddingY,backdropPaddingX:this.options.scaleBackdropPaddingX,lineWidth:this.options.scaleShowLine?this.options.scaleLineWidth:0,lineColor:this.options.scaleLineColor,lineArc:!0,width:this.chart.width,height:this.chart.height,xCenter:this.chart.width/2,yCenter:this.chart.height/2,ctx:this.chart.ctx,templateString:this.options.scaleLabel,valuesCount:t.length}),this.updateScaleRange(t),this.scale.update(),e.each(t,function(t,i){this.addData(t,i,!0)},this),this.options.showTooltips&&e.bindEvents(this,this.options.tooltipEvents,function(t){var i="mouseout"!==t.type?this.getSegmentsAtEvent(t):[];e.each(this.segments,function(t){t.restore(["fillColor"])}),e.each(i,function(t){t.fillColor=t.highlightColor}),this.showTooltip(i)}),this.render()},getSegmentsAtEvent:function(t){var i=[],s=e.getRelativePosition(t);return e.each(this.segments,function(t){t.inRange(s.x,s.y)&&i.push(t)},this),i},addData:function(t,i,e){var s=i||this.segments.length;this.segments.splice(s,0,new this.SegmentArc({fillColor:t.color,highlightColor:t.highlight||t.color,label:t.label,value:t.value,outerRadius:this.options.animateScale?0:this.scale.calculateCenterOffset(t.value),circumference:this.options.animateRotate?0:this.scale.getCircumference(),startAngle:1.5*Math.PI})),e||(this.reflow(),this.update())},removeData:function(t){var i=e.isNumber(t)?t:this.segments.length-1;this.segments.splice(i,1),this.reflow(),this.update()},calculateTotal:function(t){this.total=0,e.each(t,function(t){this.total+=t.value},this),this.scale.valuesCount=this.segments.length},updateScaleRange:function(t){var i=[];e.each(t,function(t){i.push(t.value)});var s=this.options.scaleOverride?{steps:this.options.scaleSteps,stepValue:this.options.scaleStepWidth,min:this.options.scaleStartValue,max:this.options.scaleStartValue+this.options.scaleSteps*this.options.scaleStepWidth}:e.calculateScaleRange(i,e.min([this.chart.width,this.chart.height])/2,this.options.scaleFontSize,this.options.scaleBeginAtZero,this.options.scaleIntegersOnly);e.extend(this.scale,s,{size:e.min([this.chart.width,this.chart.height]),xCenter:this.chart.width/2,yCenter:this.chart.height/2})},update:function(){this.calculateTotal(this.segments),e.each(this.segments,function(t){t.save()}),this.render()},reflow:function(){e.extend(this.SegmentArc.prototype,{x:this.chart.width/2,y:this.chart.height/2}),this.updateScaleRange(this.segments),this.scale.update(),e.extend(this.scale,{xCenter:this.chart.width/2,yCenter:this.chart.height/2}),e.each(this.segments,function(t){t.update({outerRadius:this.scale.calculateCenterOffset(t.value)})},this)},draw:function(t){var i=t||1;this.clear(),e.each(this.segments,function(t,e){t.transition({circumference:this.scale.getCircumference(),outerRadius:this.scale.calculateCenterOffset(t.value)},i),t.endAngle=t.startAngle+t.circumference,0===e&&(t.startAngle=1.5*Math.PI),e<% for (var i=0; i
  • <%if(datasets[i].label){%><%=datasets[i].label%><%}%>
  • <%}%>'},initialize:function(t){this.PointClass=i.Point.extend({strokeWidth:this.options.pointDotStrokeWidth,radius:this.options.pointDotRadius,display:this.options.pointDot,hitDetectionRadius:this.options.pointHitDetectionRadius,ctx:this.chart.ctx}),this.datasets=[],this.buildScale(t),this.options.showTooltips&&e.bindEvents(this,this.options.tooltipEvents,function(t){var i="mouseout"!==t.type?this.getPointsAtEvent(t):[];this.eachPoints(function(t){t.restore(["fillColor","strokeColor"])}),e.each(i,function(t){t.fillColor=t.highlightFill,t.strokeColor=t.highlightStroke}),this.showTooltip(i)}),e.each(t.datasets,function(i){var s={label:i.label||null,fillColor:i.fillColor,strokeColor:i.strokeColor,pointColor:i.pointColor,pointStrokeColor:i.pointStrokeColor,points:[]};this.datasets.push(s),e.each(i.data,function(e,n){var o;this.scale.animation||(o=this.scale.getPointPosition(n,this.scale.calculateCenterOffset(e))),s.points.push(new this.PointClass({value:e,label:t.labels[n],datasetLabel:i.label,x:this.options.animation?this.scale.xCenter:o.x,y:this.options.animation?this.scale.yCenter:o.y,strokeColor:i.pointStrokeColor,fillColor:i.pointColor,highlightFill:i.pointHighlightFill||i.pointColor,highlightStroke:i.pointHighlightStroke||i.pointStrokeColor}))},this)},this),this.render()},eachPoints:function(t){e.each(this.datasets,function(i){e.each(i.points,t,this)},this)},getPointsAtEvent:function(t){var i=e.getRelativePosition(t),s=e.getAngleFromPoint({x:this.scale.xCenter,y:this.scale.yCenter},i),n=2*Math.PI/this.scale.valuesCount,o=Math.round((s.angle-1.5*Math.PI)/n),a=[];return(o>=this.scale.valuesCount||0>o)&&(o=0),s.distance<=this.scale.drawingArea&&e.each(this.datasets,function(t){a.push(t.points[o])}),a},buildScale:function(t){this.scale=new i.RadialScale({display:this.options.showScale,fontStyle:this.options.scaleFontStyle,fontSize:this.options.scaleFontSize,fontFamily:this.options.scaleFontFamily,fontColor:this.options.scaleFontColor,showLabels:this.options.scaleShowLabels,showLabelBackdrop:this.options.scaleShowLabelBackdrop,backdropColor:this.options.scaleBackdropColor,backdropPaddingY:this.options.scaleBackdropPaddingY,backdropPaddingX:this.options.scaleBackdropPaddingX,lineWidth:this.options.scaleShowLine?this.options.scaleLineWidth:0,lineColor:this.options.scaleLineColor,angleLineColor:this.options.angleLineColor,angleLineWidth:this.options.angleShowLineOut?this.options.angleLineWidth:0,pointLabelFontColor:this.options.pointLabelFontColor,pointLabelFontSize:this.options.pointLabelFontSize,pointLabelFontFamily:this.options.pointLabelFontFamily,pointLabelFontStyle:this.options.pointLabelFontStyle,height:this.chart.height,width:this.chart.width,xCenter:this.chart.width/2,yCenter:this.chart.height/2,ctx:this.chart.ctx,templateString:this.options.scaleLabel,labels:t.labels,valuesCount:t.datasets[0].data.length}),this.scale.setScaleSize(),this.updateScaleRange(t.datasets),this.scale.buildYLabels()},updateScaleRange:function(t){var i=function(){var i=[];return e.each(t,function(t){t.data?i=i.concat(t.data):e.each(t.points,function(t){i.push(t.value)})}),i}(),s=this.options.scaleOverride?{steps:this.options.scaleSteps,stepValue:this.options.scaleStepWidth,min:this.options.scaleStartValue,max:this.options.scaleStartValue+this.options.scaleSteps*this.options.scaleStepWidth}:e.calculateScaleRange(i,e.min([this.chart.width,this.chart.height])/2,this.options.scaleFontSize,this.options.scaleBeginAtZero,this.options.scaleIntegersOnly);e.extend(this.scale,s)},addData:function(t,i){this.scale.valuesCount++,e.each(t,function(t,e){var s=this.scale.getPointPosition(this.scale.valuesCount,this.scale.calculateCenterOffset(t));this.datasets[e].points.push(new this.PointClass({value:t,label:i,x:s.x,y:s.y,strokeColor:this.datasets[e].pointStrokeColor,fillColor:this.datasets[e].pointColor}))},this),this.scale.labels.push(i),this.reflow(),this.update()},removeData:function(){this.scale.valuesCount--,this.scale.labels.shift(),e.each(this.datasets,function(t){t.points.shift()},this),this.reflow(),this.update()},update:function(){this.eachPoints(function(t){t.save()}),this.reflow(),this.render()},reflow:function(){e.extend(this.scale,{width:this.chart.width,height:this.chart.height,size:e.min([this.chart.width,this.chart.height]),xCenter:this.chart.width/2,yCenter:this.chart.height/2}),this.updateScaleRange(this.datasets),this.scale.setScaleSize(),this.scale.buildYLabels()},draw:function(t){var i=t||1,s=this.chart.ctx;this.clear(),this.scale.draw(),e.each(this.datasets,function(t){e.each(t.points,function(t,e){t.hasValue()&&t.transition(this.scale.getPointPosition(e,this.scale.calculateCenterOffset(t.value)),i)},this),s.lineWidth=this.options.datasetStrokeWidth,s.strokeStyle=t.strokeColor,s.beginPath(),e.each(t.points,function(t,i){0===i?s.moveTo(t.x,t.y):s.lineTo(t.x,t.y)},this),s.closePath(),s.stroke(),s.fillStyle=t.fillColor,s.fill(),e.each(t.points,function(t){t.hasValue()&&t.draw()})},this)}})}.call(this); \ No newline at end of file diff --git a/LNbits/static/plugins/flot/excanvas.js b/LNbits/static/plugins/flot/excanvas.js new file mode 100644 index 00000000..f45bf03d --- /dev/null +++ b/LNbits/static/plugins/flot/excanvas.js @@ -0,0 +1,1427 @@ +// Copyright 2006 Google Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + + +// Known Issues: +// +// * Patterns only support repeat. +// * Radial gradient are not implemented. The VML version of these look very +// different from the canvas one. +// * Clipping paths are not implemented. +// * Coordsize. The width and height attribute have higher priority than the +// width and height style values which isn't correct. +// * Painting mode isn't implemented. +// * Canvas width/height should is using content-box by default. IE in +// Quirks mode will draw the canvas using border-box. Either change your +// doctype to HTML5 +// (http://www.whatwg.org/specs/web-apps/current-work/#the-doctype) +// or use Box Sizing Behavior from WebFX +// (http://webfx.eae.net/dhtml/boxsizing/boxsizing.html) +// * Non uniform scaling does not correctly scale strokes. +// * Filling very large shapes (above 5000 points) is buggy. +// * Optimize. There is always room for speed improvements. + +// Only add this code if we do not already have a canvas implementation +if (!document.createElement('canvas').getContext) { + +(function() { + + // alias some functions to make (compiled) code shorter + var m = Math; + var mr = m.round; + var ms = m.sin; + var mc = m.cos; + var abs = m.abs; + var sqrt = m.sqrt; + + // this is used for sub pixel precision + var Z = 10; + var Z2 = Z / 2; + + var IE_VERSION = +navigator.userAgent.match(/MSIE ([\d.]+)?/)[1]; + + /** + * This funtion is assigned to the elements as element.getContext(). + * @this {HTMLElement} + * @return {CanvasRenderingContext2D_} + */ + function getContext() { + return this.context_ || + (this.context_ = new CanvasRenderingContext2D_(this)); + } + + var slice = Array.prototype.slice; + + /** + * Binds a function to an object. The returned function will always use the + * passed in {@code obj} as {@code this}. + * + * Example: + * + * g = bind(f, obj, a, b) + * g(c, d) // will do f.call(obj, a, b, c, d) + * + * @param {Function} f The function to bind the object to + * @param {Object} obj The object that should act as this when the function + * is called + * @param {*} var_args Rest arguments that will be used as the initial + * arguments when the function is called + * @return {Function} A new function that has bound this + */ + function bind(f, obj, var_args) { + var a = slice.call(arguments, 2); + return function() { + return f.apply(obj, a.concat(slice.call(arguments))); + }; + } + + function encodeHtmlAttribute(s) { + return String(s).replace(/&/g, '&').replace(/"/g, '"'); + } + + function addNamespace(doc, prefix, urn) { + if (!doc.namespaces[prefix]) { + doc.namespaces.add(prefix, urn, '#default#VML'); + } + } + + function addNamespacesAndStylesheet(doc) { + addNamespace(doc, 'g_vml_', 'urn:schemas-microsoft-com:vml'); + addNamespace(doc, 'g_o_', 'urn:schemas-microsoft-com:office:office'); + + // Setup default CSS. Only add one style sheet per document + if (!doc.styleSheets['ex_canvas_']) { + var ss = doc.createStyleSheet(); + ss.owningElement.id = 'ex_canvas_'; + ss.cssText = 'canvas{display:inline-block;overflow:hidden;' + + // default size is 300x150 in Gecko and Opera + 'text-align:left;width:300px;height:150px}'; + } + } + + // Add namespaces and stylesheet at startup. + addNamespacesAndStylesheet(document); + + var G_vmlCanvasManager_ = { + init: function(opt_doc) { + var doc = opt_doc || document; + // Create a dummy element so that IE will allow canvas elements to be + // recognized. + doc.createElement('canvas'); + doc.attachEvent('onreadystatechange', bind(this.init_, this, doc)); + }, + + init_: function(doc) { + // find all canvas elements + var els = doc.getElementsByTagName('canvas'); + for (var i = 0; i < els.length; i++) { + this.initElement(els[i]); + } + }, + + /** + * Public initializes a canvas element so that it can be used as canvas + * element from now on. This is called automatically before the page is + * loaded but if you are creating elements using createElement you need to + * make sure this is called on the element. + * @param {HTMLElement} el The canvas element to initialize. + * @return {HTMLElement} the element that was created. + */ + initElement: function(el) { + if (!el.getContext) { + el.getContext = getContext; + + // Add namespaces and stylesheet to document of the element. + addNamespacesAndStylesheet(el.ownerDocument); + + // Remove fallback content. There is no way to hide text nodes so we + // just remove all childNodes. We could hide all elements and remove + // text nodes but who really cares about the fallback content. + el.innerHTML = ''; + + // do not use inline function because that will leak memory + el.attachEvent('onpropertychange', onPropertyChange); + el.attachEvent('onresize', onResize); + + var attrs = el.attributes; + if (attrs.width && attrs.width.specified) { + // TODO: use runtimeStyle and coordsize + // el.getContext().setWidth_(attrs.width.nodeValue); + el.style.width = attrs.width.nodeValue + 'px'; + } else { + el.width = el.clientWidth; + } + if (attrs.height && attrs.height.specified) { + // TODO: use runtimeStyle and coordsize + // el.getContext().setHeight_(attrs.height.nodeValue); + el.style.height = attrs.height.nodeValue + 'px'; + } else { + el.height = el.clientHeight; + } + //el.getContext().setCoordsize_() + } + return el; + } + }; + + function onPropertyChange(e) { + var el = e.srcElement; + + switch (e.propertyName) { + case 'width': + el.getContext().clearRect(); + el.style.width = el.attributes.width.nodeValue + 'px'; + // In IE8 this does not trigger onresize. + el.firstChild.style.width = el.clientWidth + 'px'; + break; + case 'height': + el.getContext().clearRect(); + el.style.height = el.attributes.height.nodeValue + 'px'; + el.firstChild.style.height = el.clientHeight + 'px'; + break; + } + } + + function onResize(e) { + var el = e.srcElement; + if (el.firstChild) { + el.firstChild.style.width = el.clientWidth + 'px'; + el.firstChild.style.height = el.clientHeight + 'px'; + } + } + + G_vmlCanvasManager_.init(); + + // precompute "00" to "FF" + var decToHex = []; + for (var i = 0; i < 16; i++) { + for (var j = 0; j < 16; j++) { + decToHex[i * 16 + j] = i.toString(16) + j.toString(16); + } + } + + function createMatrixIdentity() { + return [ + [1, 0, 0], + [0, 1, 0], + [0, 0, 1] + ]; + } + + function matrixMultiply(m1, m2) { + var result = createMatrixIdentity(); + + for (var x = 0; x < 3; x++) { + for (var y = 0; y < 3; y++) { + var sum = 0; + + for (var z = 0; z < 3; z++) { + sum += m1[x][z] * m2[z][y]; + } + + result[x][y] = sum; + } + } + return result; + } + + function copyState(o1, o2) { + o2.fillStyle = o1.fillStyle; + o2.lineCap = o1.lineCap; + o2.lineJoin = o1.lineJoin; + o2.lineWidth = o1.lineWidth; + o2.miterLimit = o1.miterLimit; + o2.shadowBlur = o1.shadowBlur; + o2.shadowColor = o1.shadowColor; + o2.shadowOffsetX = o1.shadowOffsetX; + o2.shadowOffsetY = o1.shadowOffsetY; + o2.strokeStyle = o1.strokeStyle; + o2.globalAlpha = o1.globalAlpha; + o2.font = o1.font; + o2.textAlign = o1.textAlign; + o2.textBaseline = o1.textBaseline; + o2.arcScaleX_ = o1.arcScaleX_; + o2.arcScaleY_ = o1.arcScaleY_; + o2.lineScale_ = o1.lineScale_; + } + + var colorData = { + aliceblue: '#F0F8FF', + antiquewhite: '#FAEBD7', + aquamarine: '#7FFFD4', + azure: '#F0FFFF', + beige: '#F5F5DC', + bisque: '#FFE4C4', + black: '#000000', + blanchedalmond: '#FFEBCD', + blueviolet: '#8A2BE2', + brown: '#A52A2A', + burlywood: '#DEB887', + cadetblue: '#5F9EA0', + chartreuse: '#7FFF00', + chocolate: '#D2691E', + coral: '#FF7F50', + cornflowerblue: '#6495ED', + cornsilk: '#FFF8DC', + crimson: '#DC143C', + cyan: '#00FFFF', + darkblue: '#00008B', + darkcyan: '#008B8B', + darkgoldenrod: '#B8860B', + darkgray: '#A9A9A9', + darkgreen: '#006400', + darkgrey: '#A9A9A9', + darkkhaki: '#BDB76B', + darkmagenta: '#8B008B', + darkolivegreen: '#556B2F', + darkorange: '#FF8C00', + darkorchid: '#9932CC', + darkred: '#8B0000', + darksalmon: '#E9967A', + darkseagreen: '#8FBC8F', + darkslateblue: '#483D8B', + darkslategray: '#2F4F4F', + darkslategrey: '#2F4F4F', + darkturquoise: '#00CED1', + darkviolet: '#9400D3', + deeppink: '#FF1493', + deepskyblue: '#00BFFF', + dimgray: '#696969', + dimgrey: '#696969', + dodgerblue: '#1E90FF', + firebrick: '#B22222', + floralwhite: '#FFFAF0', + forestgreen: '#228B22', + gainsboro: '#DCDCDC', + ghostwhite: '#F8F8FF', + gold: '#FFD700', + goldenrod: '#DAA520', + grey: '#808080', + greenyellow: '#ADFF2F', + honeydew: '#F0FFF0', + hotpink: '#FF69B4', + indianred: '#CD5C5C', + indigo: '#4B0082', + ivory: '#FFFFF0', + khaki: '#F0E68C', + lavender: '#E6E6FA', + lavenderblush: '#FFF0F5', + lawngreen: '#7CFC00', + lemonchiffon: '#FFFACD', + lightblue: '#ADD8E6', + lightcoral: '#F08080', + lightcyan: '#E0FFFF', + lightgoldenrodyellow: '#FAFAD2', + lightgreen: '#90EE90', + lightgrey: '#D3D3D3', + lightpink: '#FFB6C1', + lightsalmon: '#FFA07A', + lightseagreen: '#20B2AA', + lightskyblue: '#87CEFA', + lightslategray: '#778899', + lightslategrey: '#778899', + lightsteelblue: '#B0C4DE', + lightyellow: '#FFFFE0', + limegreen: '#32CD32', + linen: '#FAF0E6', + magenta: '#FF00FF', + mediumaquamarine: '#66CDAA', + mediumblue: '#0000CD', + mediumorchid: '#BA55D3', + mediumpurple: '#9370DB', + mediumseagreen: '#3CB371', + mediumslateblue: '#7B68EE', + mediumspringgreen: '#00FA9A', + mediumturquoise: '#48D1CC', + mediumvioletred: '#C71585', + midnightblue: '#191970', + mintcream: '#F5FFFA', + mistyrose: '#FFE4E1', + moccasin: '#FFE4B5', + navajowhite: '#FFDEAD', + oldlace: '#FDF5E6', + olivedrab: '#6B8E23', + orange: '#FFA500', + orangered: '#FF4500', + orchid: '#DA70D6', + palegoldenrod: '#EEE8AA', + palegreen: '#98FB98', + paleturquoise: '#AFEEEE', + palevioletred: '#DB7093', + papayawhip: '#FFEFD5', + peachpuff: '#FFDAB9', + peru: '#CD853F', + pink: '#FFC0CB', + plum: '#DDA0DD', + powderblue: '#B0E0E6', + rosybrown: '#BC8F8F', + royalblue: '#4169E1', + saddlebrown: '#8B4513', + salmon: '#FA8072', + sandybrown: '#F4A460', + seagreen: '#2E8B57', + seashell: '#FFF5EE', + sienna: '#A0522D', + skyblue: '#87CEEB', + slateblue: '#6A5ACD', + slategray: '#708090', + slategrey: '#708090', + snow: '#FFFAFA', + springgreen: '#00FF7F', + steelblue: '#4682B4', + tan: '#D2B48C', + thistle: '#D8BFD8', + tomato: '#FF6347', + turquoise: '#40E0D0', + violet: '#EE82EE', + wheat: '#F5DEB3', + whitesmoke: '#F5F5F5', + yellowgreen: '#9ACD32' + }; + + + function getRgbHslContent(styleString) { + var start = styleString.indexOf('(', 3); + var end = styleString.indexOf(')', start + 1); + var parts = styleString.substring(start + 1, end).split(','); + // add alpha if needed + if (parts.length != 4 || styleString.charAt(3) != 'a') { + parts[3] = 1; + } + return parts; + } + + function percent(s) { + return parseFloat(s) / 100; + } + + function clamp(v, min, max) { + return Math.min(max, Math.max(min, v)); + } + + function hslToRgb(parts){ + var r, g, b, h, s, l; + h = parseFloat(parts[0]) / 360 % 360; + if (h < 0) + h++; + s = clamp(percent(parts[1]), 0, 1); + l = clamp(percent(parts[2]), 0, 1); + if (s == 0) { + r = g = b = l; // achromatic + } else { + var q = l < 0.5 ? l * (1 + s) : l + s - l * s; + var p = 2 * l - q; + r = hueToRgb(p, q, h + 1 / 3); + g = hueToRgb(p, q, h); + b = hueToRgb(p, q, h - 1 / 3); + } + + return '#' + decToHex[Math.floor(r * 255)] + + decToHex[Math.floor(g * 255)] + + decToHex[Math.floor(b * 255)]; + } + + function hueToRgb(m1, m2, h) { + if (h < 0) + h++; + if (h > 1) + h--; + + if (6 * h < 1) + return m1 + (m2 - m1) * 6 * h; + else if (2 * h < 1) + return m2; + else if (3 * h < 2) + return m1 + (m2 - m1) * (2 / 3 - h) * 6; + else + return m1; + } + + var processStyleCache = {}; + + function processStyle(styleString) { + if (styleString in processStyleCache) { + return processStyleCache[styleString]; + } + + var str, alpha = 1; + + styleString = String(styleString); + if (styleString.charAt(0) == '#') { + str = styleString; + } else if (/^rgb/.test(styleString)) { + var parts = getRgbHslContent(styleString); + var str = '#', n; + for (var i = 0; i < 3; i++) { + if (parts[i].indexOf('%') != -1) { + n = Math.floor(percent(parts[i]) * 255); + } else { + n = +parts[i]; + } + str += decToHex[clamp(n, 0, 255)]; + } + alpha = +parts[3]; + } else if (/^hsl/.test(styleString)) { + var parts = getRgbHslContent(styleString); + str = hslToRgb(parts); + alpha = parts[3]; + } else { + str = colorData[styleString] || styleString; + } + return processStyleCache[styleString] = {color: str, alpha: alpha}; + } + + var DEFAULT_STYLE = { + style: 'normal', + variant: 'normal', + weight: 'normal', + size: 10, + family: 'sans-serif' + }; + + // Internal text style cache + var fontStyleCache = {}; + + function processFontStyle(styleString) { + if (fontStyleCache[styleString]) { + return fontStyleCache[styleString]; + } + + var el = document.createElement('div'); + var style = el.style; + try { + style.font = styleString; + } catch (ex) { + // Ignore failures to set to invalid font. + } + + return fontStyleCache[styleString] = { + style: style.fontStyle || DEFAULT_STYLE.style, + variant: style.fontVariant || DEFAULT_STYLE.variant, + weight: style.fontWeight || DEFAULT_STYLE.weight, + size: style.fontSize || DEFAULT_STYLE.size, + family: style.fontFamily || DEFAULT_STYLE.family + }; + } + + function getComputedStyle(style, element) { + var computedStyle = {}; + + for (var p in style) { + computedStyle[p] = style[p]; + } + + // Compute the size + var canvasFontSize = parseFloat(element.currentStyle.fontSize), + fontSize = parseFloat(style.size); + + if (typeof style.size == 'number') { + computedStyle.size = style.size; + } else if (style.size.indexOf('px') != -1) { + computedStyle.size = fontSize; + } else if (style.size.indexOf('em') != -1) { + computedStyle.size = canvasFontSize * fontSize; + } else if(style.size.indexOf('%') != -1) { + computedStyle.size = (canvasFontSize / 100) * fontSize; + } else if (style.size.indexOf('pt') != -1) { + computedStyle.size = fontSize / .75; + } else { + computedStyle.size = canvasFontSize; + } + + // Different scaling between normal text and VML text. This was found using + // trial and error to get the same size as non VML text. + computedStyle.size *= 0.981; + + return computedStyle; + } + + function buildStyle(style) { + return style.style + ' ' + style.variant + ' ' + style.weight + ' ' + + style.size + 'px ' + style.family; + } + + var lineCapMap = { + 'butt': 'flat', + 'round': 'round' + }; + + function processLineCap(lineCap) { + return lineCapMap[lineCap] || 'square'; + } + + /** + * This class implements CanvasRenderingContext2D interface as described by + * the WHATWG. + * @param {HTMLElement} canvasElement The element that the 2D context should + * be associated with + */ + function CanvasRenderingContext2D_(canvasElement) { + this.m_ = createMatrixIdentity(); + + this.mStack_ = []; + this.aStack_ = []; + this.currentPath_ = []; + + // Canvas context properties + this.strokeStyle = '#000'; + this.fillStyle = '#000'; + + this.lineWidth = 1; + this.lineJoin = 'miter'; + this.lineCap = 'butt'; + this.miterLimit = Z * 1; + this.globalAlpha = 1; + this.font = '10px sans-serif'; + this.textAlign = 'left'; + this.textBaseline = 'alphabetic'; + this.canvas = canvasElement; + + var cssText = 'width:' + canvasElement.clientWidth + 'px;height:' + + canvasElement.clientHeight + 'px;overflow:hidden;position:absolute'; + var el = canvasElement.ownerDocument.createElement('div'); + el.style.cssText = cssText; + canvasElement.appendChild(el); + + var overlayEl = el.cloneNode(false); + // Use a non transparent background. + overlayEl.style.backgroundColor = 'red'; + overlayEl.style.filter = 'alpha(opacity=0)'; + canvasElement.appendChild(overlayEl); + + this.element_ = el; + this.arcScaleX_ = 1; + this.arcScaleY_ = 1; + this.lineScale_ = 1; + } + + var contextPrototype = CanvasRenderingContext2D_.prototype; + contextPrototype.clearRect = function() { + if (this.textMeasureEl_) { + this.textMeasureEl_.removeNode(true); + this.textMeasureEl_ = null; + } + this.element_.innerHTML = ''; + }; + + contextPrototype.beginPath = function() { + // TODO: Branch current matrix so that save/restore has no effect + // as per safari docs. + this.currentPath_ = []; + }; + + contextPrototype.moveTo = function(aX, aY) { + var p = getCoords(this, aX, aY); + this.currentPath_.push({type: 'moveTo', x: p.x, y: p.y}); + this.currentX_ = p.x; + this.currentY_ = p.y; + }; + + contextPrototype.lineTo = function(aX, aY) { + var p = getCoords(this, aX, aY); + this.currentPath_.push({type: 'lineTo', x: p.x, y: p.y}); + + this.currentX_ = p.x; + this.currentY_ = p.y; + }; + + contextPrototype.bezierCurveTo = function(aCP1x, aCP1y, + aCP2x, aCP2y, + aX, aY) { + var p = getCoords(this, aX, aY); + var cp1 = getCoords(this, aCP1x, aCP1y); + var cp2 = getCoords(this, aCP2x, aCP2y); + bezierCurveTo(this, cp1, cp2, p); + }; + + // Helper function that takes the already fixed cordinates. + function bezierCurveTo(self, cp1, cp2, p) { + self.currentPath_.push({ + type: 'bezierCurveTo', + cp1x: cp1.x, + cp1y: cp1.y, + cp2x: cp2.x, + cp2y: cp2.y, + x: p.x, + y: p.y + }); + self.currentX_ = p.x; + self.currentY_ = p.y; + } + + contextPrototype.quadraticCurveTo = function(aCPx, aCPy, aX, aY) { + // the following is lifted almost directly from + // http://developer.mozilla.org/en/docs/Canvas_tutorial:Drawing_shapes + + var cp = getCoords(this, aCPx, aCPy); + var p = getCoords(this, aX, aY); + + var cp1 = { + x: this.currentX_ + 2.0 / 3.0 * (cp.x - this.currentX_), + y: this.currentY_ + 2.0 / 3.0 * (cp.y - this.currentY_) + }; + var cp2 = { + x: cp1.x + (p.x - this.currentX_) / 3.0, + y: cp1.y + (p.y - this.currentY_) / 3.0 + }; + + bezierCurveTo(this, cp1, cp2, p); + }; + + contextPrototype.arc = function(aX, aY, aRadius, + aStartAngle, aEndAngle, aClockwise) { + aRadius *= Z; + var arcType = aClockwise ? 'at' : 'wa'; + + var xStart = aX + mc(aStartAngle) * aRadius - Z2; + var yStart = aY + ms(aStartAngle) * aRadius - Z2; + + var xEnd = aX + mc(aEndAngle) * aRadius - Z2; + var yEnd = aY + ms(aEndAngle) * aRadius - Z2; + + // IE won't render arches drawn counter clockwise if xStart == xEnd. + if (xStart == xEnd && !aClockwise) { + xStart += 0.125; // Offset xStart by 1/80 of a pixel. Use something + // that can be represented in binary + } + + var p = getCoords(this, aX, aY); + var pStart = getCoords(this, xStart, yStart); + var pEnd = getCoords(this, xEnd, yEnd); + + this.currentPath_.push({type: arcType, + x: p.x, + y: p.y, + radius: aRadius, + xStart: pStart.x, + yStart: pStart.y, + xEnd: pEnd.x, + yEnd: pEnd.y}); + + }; + + contextPrototype.rect = function(aX, aY, aWidth, aHeight) { + this.moveTo(aX, aY); + this.lineTo(aX + aWidth, aY); + this.lineTo(aX + aWidth, aY + aHeight); + this.lineTo(aX, aY + aHeight); + this.closePath(); + }; + + contextPrototype.strokeRect = function(aX, aY, aWidth, aHeight) { + var oldPath = this.currentPath_; + this.beginPath(); + + this.moveTo(aX, aY); + this.lineTo(aX + aWidth, aY); + this.lineTo(aX + aWidth, aY + aHeight); + this.lineTo(aX, aY + aHeight); + this.closePath(); + this.stroke(); + + this.currentPath_ = oldPath; + }; + + contextPrototype.fillRect = function(aX, aY, aWidth, aHeight) { + var oldPath = this.currentPath_; + this.beginPath(); + + this.moveTo(aX, aY); + this.lineTo(aX + aWidth, aY); + this.lineTo(aX + aWidth, aY + aHeight); + this.lineTo(aX, aY + aHeight); + this.closePath(); + this.fill(); + + this.currentPath_ = oldPath; + }; + + contextPrototype.createLinearGradient = function(aX0, aY0, aX1, aY1) { + var gradient = new CanvasGradient_('gradient'); + gradient.x0_ = aX0; + gradient.y0_ = aY0; + gradient.x1_ = aX1; + gradient.y1_ = aY1; + return gradient; + }; + + contextPrototype.createRadialGradient = function(aX0, aY0, aR0, + aX1, aY1, aR1) { + var gradient = new CanvasGradient_('gradientradial'); + gradient.x0_ = aX0; + gradient.y0_ = aY0; + gradient.r0_ = aR0; + gradient.x1_ = aX1; + gradient.y1_ = aY1; + gradient.r1_ = aR1; + return gradient; + }; + + contextPrototype.drawImage = function(image, var_args) { + var dx, dy, dw, dh, sx, sy, sw, sh; + + // to find the original width we overide the width and height + var oldRuntimeWidth = image.runtimeStyle.width; + var oldRuntimeHeight = image.runtimeStyle.height; + image.runtimeStyle.width = 'auto'; + image.runtimeStyle.height = 'auto'; + + // get the original size + var w = image.width; + var h = image.height; + + // and remove overides + image.runtimeStyle.width = oldRuntimeWidth; + image.runtimeStyle.height = oldRuntimeHeight; + + if (arguments.length == 3) { + dx = arguments[1]; + dy = arguments[2]; + sx = sy = 0; + sw = dw = w; + sh = dh = h; + } else if (arguments.length == 5) { + dx = arguments[1]; + dy = arguments[2]; + dw = arguments[3]; + dh = arguments[4]; + sx = sy = 0; + sw = w; + sh = h; + } else if (arguments.length == 9) { + sx = arguments[1]; + sy = arguments[2]; + sw = arguments[3]; + sh = arguments[4]; + dx = arguments[5]; + dy = arguments[6]; + dw = arguments[7]; + dh = arguments[8]; + } else { + throw Error('Invalid number of arguments'); + } + + var d = getCoords(this, dx, dy); + + var w2 = sw / 2; + var h2 = sh / 2; + + var vmlStr = []; + + var W = 10; + var H = 10; + + // For some reason that I've now forgotten, using divs didn't work + vmlStr.push(' ' , + '', + ''); + + this.element_.insertAdjacentHTML('BeforeEnd', vmlStr.join('')); + }; + + contextPrototype.stroke = function(aFill) { + var W = 10; + var H = 10; + // Divide the shape into chunks if it's too long because IE has a limit + // somewhere for how long a VML shape can be. This simple division does + // not work with fills, only strokes, unfortunately. + var chunkSize = 5000; + + var min = {x: null, y: null}; + var max = {x: null, y: null}; + + for (var j = 0; j < this.currentPath_.length; j += chunkSize) { + var lineStr = []; + var lineOpen = false; + + lineStr.push(''); + + if (!aFill) { + appendStroke(this, lineStr); + } else { + appendFill(this, lineStr, min, max); + } + + lineStr.push(''); + + this.element_.insertAdjacentHTML('beforeEnd', lineStr.join('')); + } + }; + + function appendStroke(ctx, lineStr) { + var a = processStyle(ctx.strokeStyle); + var color = a.color; + var opacity = a.alpha * ctx.globalAlpha; + var lineWidth = ctx.lineScale_ * ctx.lineWidth; + + // VML cannot correctly render a line if the width is less than 1px. + // In that case, we dilute the color to make the line look thinner. + if (lineWidth < 1) { + opacity *= lineWidth; + } + + lineStr.push( + '' + ); + } + + function appendFill(ctx, lineStr, min, max) { + var fillStyle = ctx.fillStyle; + var arcScaleX = ctx.arcScaleX_; + var arcScaleY = ctx.arcScaleY_; + var width = max.x - min.x; + var height = max.y - min.y; + if (fillStyle instanceof CanvasGradient_) { + // TODO: Gradients transformed with the transformation matrix. + var angle = 0; + var focus = {x: 0, y: 0}; + + // additional offset + var shift = 0; + // scale factor for offset + var expansion = 1; + + if (fillStyle.type_ == 'gradient') { + var x0 = fillStyle.x0_ / arcScaleX; + var y0 = fillStyle.y0_ / arcScaleY; + var x1 = fillStyle.x1_ / arcScaleX; + var y1 = fillStyle.y1_ / arcScaleY; + var p0 = getCoords(ctx, x0, y0); + var p1 = getCoords(ctx, x1, y1); + var dx = p1.x - p0.x; + var dy = p1.y - p0.y; + angle = Math.atan2(dx, dy) * 180 / Math.PI; + + // The angle should be a non-negative number. + if (angle < 0) { + angle += 360; + } + + // Very small angles produce an unexpected result because they are + // converted to a scientific notation string. + if (angle < 1e-6) { + angle = 0; + } + } else { + var p0 = getCoords(ctx, fillStyle.x0_, fillStyle.y0_); + focus = { + x: (p0.x - min.x) / width, + y: (p0.y - min.y) / height + }; + + width /= arcScaleX * Z; + height /= arcScaleY * Z; + var dimension = m.max(width, height); + shift = 2 * fillStyle.r0_ / dimension; + expansion = 2 * fillStyle.r1_ / dimension - shift; + } + + // We need to sort the color stops in ascending order by offset, + // otherwise IE won't interpret it correctly. + var stops = fillStyle.colors_; + stops.sort(function(cs1, cs2) { + return cs1.offset - cs2.offset; + }); + + var length = stops.length; + var color1 = stops[0].color; + var color2 = stops[length - 1].color; + var opacity1 = stops[0].alpha * ctx.globalAlpha; + var opacity2 = stops[length - 1].alpha * ctx.globalAlpha; + + var colors = []; + for (var i = 0; i < length; i++) { + var stop = stops[i]; + colors.push(stop.offset * expansion + shift + ' ' + stop.color); + } + + // When colors attribute is used, the meanings of opacity and o:opacity2 + // are reversed. + lineStr.push(''); + } else if (fillStyle instanceof CanvasPattern_) { + if (width && height) { + var deltaLeft = -min.x; + var deltaTop = -min.y; + lineStr.push(''); + } + } else { + var a = processStyle(ctx.fillStyle); + var color = a.color; + var opacity = a.alpha * ctx.globalAlpha; + lineStr.push(''); + } + } + + contextPrototype.fill = function() { + this.stroke(true); + }; + + contextPrototype.closePath = function() { + this.currentPath_.push({type: 'close'}); + }; + + function getCoords(ctx, aX, aY) { + var m = ctx.m_; + return { + x: Z * (aX * m[0][0] + aY * m[1][0] + m[2][0]) - Z2, + y: Z * (aX * m[0][1] + aY * m[1][1] + m[2][1]) - Z2 + }; + } + contextPrototype.save = function() { + var o = {}; + copyState(this, o); + this.aStack_.push(o); + this.mStack_.push(this.m_); + this.m_ = matrixMultiply(createMatrixIdentity(), this.m_); + }; + + contextPrototype.restore = function() { + if (this.aStack_.length) { + copyState(this.aStack_.pop(), this); + this.m_ = this.mStack_.pop(); + } + }; + + function matrixIsFinite(m) { + return isFinite(m[0][0]) && isFinite(m[0][1]) && + isFinite(m[1][0]) && isFinite(m[1][1]) && + isFinite(m[2][0]) && isFinite(m[2][1]); + } + + function setM(ctx, m, updateLineScale) { + if (!matrixIsFinite(m)) { + return; + } + ctx.m_ = m; + + if (updateLineScale) { + // Get the line scale. + // Determinant of this.m_ means how much the area is enlarged by the + // transformation. So its square root can be used as a scale factor + // for width. + var det = m[0][0] * m[1][1] - m[0][1] * m[1][0]; + ctx.lineScale_ = sqrt(abs(det)); + } + } + + contextPrototype.translate = function(aX, aY) { + var m1 = [ + [1, 0, 0], + [0, 1, 0], + [aX, aY, 1] + ]; + + setM(this, matrixMultiply(m1, this.m_), false); + }; + + contextPrototype.rotate = function(aRot) { + var c = mc(aRot); + var s = ms(aRot); + + var m1 = [ + [c, s, 0], + [-s, c, 0], + [0, 0, 1] + ]; + + setM(this, matrixMultiply(m1, this.m_), false); + }; + + contextPrototype.scale = function(aX, aY) { + this.arcScaleX_ *= aX; + this.arcScaleY_ *= aY; + var m1 = [ + [aX, 0, 0], + [0, aY, 0], + [0, 0, 1] + ]; + + setM(this, matrixMultiply(m1, this.m_), true); + }; + + contextPrototype.transform = function(m11, m12, m21, m22, dx, dy) { + var m1 = [ + [m11, m12, 0], + [m21, m22, 0], + [dx, dy, 1] + ]; + + setM(this, matrixMultiply(m1, this.m_), true); + }; + + contextPrototype.setTransform = function(m11, m12, m21, m22, dx, dy) { + var m = [ + [m11, m12, 0], + [m21, m22, 0], + [dx, dy, 1] + ]; + + setM(this, m, true); + }; + + /** + * The text drawing function. + * The maxWidth argument isn't taken in account, since no browser supports + * it yet. + */ + contextPrototype.drawText_ = function(text, x, y, maxWidth, stroke) { + var m = this.m_, + delta = 1000, + left = 0, + right = delta, + offset = {x: 0, y: 0}, + lineStr = []; + + var fontStyle = getComputedStyle(processFontStyle(this.font), + this.element_); + + var fontStyleString = buildStyle(fontStyle); + + var elementStyle = this.element_.currentStyle; + var textAlign = this.textAlign.toLowerCase(); + switch (textAlign) { + case 'left': + case 'center': + case 'right': + break; + case 'end': + textAlign = elementStyle.direction == 'ltr' ? 'right' : 'left'; + break; + case 'start': + textAlign = elementStyle.direction == 'rtl' ? 'right' : 'left'; + break; + default: + textAlign = 'left'; + } + + // 1.75 is an arbitrary number, as there is no info about the text baseline + switch (this.textBaseline) { + case 'hanging': + case 'top': + offset.y = fontStyle.size / 1.75; + break; + case 'middle': + break; + default: + case null: + case 'alphabetic': + case 'ideographic': + case 'bottom': + offset.y = -fontStyle.size / 2.25; + break; + } + + switch(textAlign) { + case 'right': + left = delta; + right = 0.05; + break; + case 'center': + left = right = delta / 2; + break; + } + + var d = getCoords(this, x + offset.x, y + offset.y); + + lineStr.push(''); + + if (stroke) { + appendStroke(this, lineStr); + } else { + // TODO: Fix the min and max params. + appendFill(this, lineStr, {x: -left, y: 0}, + {x: right, y: fontStyle.size}); + } + + var skewM = m[0][0].toFixed(3) + ',' + m[1][0].toFixed(3) + ',' + + m[0][1].toFixed(3) + ',' + m[1][1].toFixed(3) + ',0,0'; + + var skewOffset = mr(d.x / Z) + ',' + mr(d.y / Z); + + lineStr.push('', + '', + ''); + + this.element_.insertAdjacentHTML('beforeEnd', lineStr.join('')); + }; + + contextPrototype.fillText = function(text, x, y, maxWidth) { + this.drawText_(text, x, y, maxWidth, false); + }; + + contextPrototype.strokeText = function(text, x, y, maxWidth) { + this.drawText_(text, x, y, maxWidth, true); + }; + + contextPrototype.measureText = function(text) { + if (!this.textMeasureEl_) { + var s = ''; + this.element_.insertAdjacentHTML('beforeEnd', s); + this.textMeasureEl_ = this.element_.lastChild; + } + var doc = this.element_.ownerDocument; + this.textMeasureEl_.innerHTML = ''; + this.textMeasureEl_.style.font = this.font; + // Don't use innerHTML or innerText because they allow markup/whitespace. + this.textMeasureEl_.appendChild(doc.createTextNode(text)); + return {width: this.textMeasureEl_.offsetWidth}; + }; + + /******** STUBS ********/ + contextPrototype.clip = function() { + // TODO: Implement + }; + + contextPrototype.arcTo = function() { + // TODO: Implement + }; + + contextPrototype.createPattern = function(image, repetition) { + return new CanvasPattern_(image, repetition); + }; + + // Gradient / Pattern Stubs + function CanvasGradient_(aType) { + this.type_ = aType; + this.x0_ = 0; + this.y0_ = 0; + this.r0_ = 0; + this.x1_ = 0; + this.y1_ = 0; + this.r1_ = 0; + this.colors_ = []; + } + + CanvasGradient_.prototype.addColorStop = function(aOffset, aColor) { + aColor = processStyle(aColor); + this.colors_.push({offset: aOffset, + color: aColor.color, + alpha: aColor.alpha}); + }; + + function CanvasPattern_(image, repetition) { + assertImageIsValid(image); + switch (repetition) { + case 'repeat': + case null: + case '': + this.repetition_ = 'repeat'; + break; + case 'repeat-x': + case 'repeat-y': + case 'no-repeat': + this.repetition_ = repetition; + break; + default: + throwException('SYNTAX_ERR'); + } + + this.src_ = image.src; + this.width_ = image.width; + this.height_ = image.height; + } + + function throwException(s) { + throw new DOMException_(s); + } + + function assertImageIsValid(img) { + if (!img || img.nodeType != 1 || img.tagName != 'IMG') { + throwException('TYPE_MISMATCH_ERR'); + } + if (img.readyState != 'complete') { + throwException('INVALID_STATE_ERR'); + } + } + + function DOMException_(s) { + this.code = this[s]; + this.message = s +': DOM Exception ' + this.code; + } + var p = DOMException_.prototype = new Error; + p.INDEX_SIZE_ERR = 1; + p.DOMSTRING_SIZE_ERR = 2; + p.HIERARCHY_REQUEST_ERR = 3; + p.WRONG_DOCUMENT_ERR = 4; + p.INVALID_CHARACTER_ERR = 5; + p.NO_DATA_ALLOWED_ERR = 6; + p.NO_MODIFICATION_ALLOWED_ERR = 7; + p.NOT_FOUND_ERR = 8; + p.NOT_SUPPORTED_ERR = 9; + p.INUSE_ATTRIBUTE_ERR = 10; + p.INVALID_STATE_ERR = 11; + p.SYNTAX_ERR = 12; + p.INVALID_MODIFICATION_ERR = 13; + p.NAMESPACE_ERR = 14; + p.INVALID_ACCESS_ERR = 15; + p.VALIDATION_ERR = 16; + p.TYPE_MISMATCH_ERR = 17; + + // set up externs + G_vmlCanvasManager = G_vmlCanvasManager_; + CanvasRenderingContext2D = CanvasRenderingContext2D_; + CanvasGradient = CanvasGradient_; + CanvasPattern = CanvasPattern_; + DOMException = DOMException_; +})(); + +} // if diff --git a/LNbits/static/plugins/flot/excanvas.min.js b/LNbits/static/plugins/flot/excanvas.min.js new file mode 100644 index 00000000..fcf876c7 --- /dev/null +++ b/LNbits/static/plugins/flot/excanvas.min.js @@ -0,0 +1 @@ +if(!document.createElement("canvas").getContext){(function(){var ab=Math;var n=ab.round;var l=ab.sin;var A=ab.cos;var H=ab.abs;var N=ab.sqrt;var d=10;var f=d/2;var z=+navigator.userAgent.match(/MSIE ([\d.]+)?/)[1];function y(){return this.context_||(this.context_=new D(this))}var t=Array.prototype.slice;function g(j,m,p){var i=t.call(arguments,2);return function(){return j.apply(m,i.concat(t.call(arguments)))}}function af(i){return String(i).replace(/&/g,"&").replace(/"/g,""")}function Y(m,j,i){if(!m.namespaces[j]){m.namespaces.add(j,i,"#default#VML")}}function 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2009. + * + * Examples: + * + * $.color.parse("#fff").scale('rgb', 0.25).add('a', -0.5).toString() + * var c = $.color.extract($("#mydiv"), 'background-color'); + * console.log(c.r, c.g, c.b, c.a); + * $.color.make(100, 50, 25, 0.4).toString() // returns "rgba(100,50,25,0.4)" + * + * Note that .scale() and .add() return the same modified object + * instead of making a new one. + * + * V. 1.1: Fix error handling so e.g. parsing an empty string does + * produce a color rather than just crashing. + */ + +(function($) { + $.color = {}; + + // construct color object with some convenient chainable helpers + $.color.make = function (r, g, b, a) { + var o = {}; + o.r = r || 0; + o.g = g || 0; + o.b = b || 0; + o.a = a != null ? a : 1; + + o.add = function (c, d) { + for (var i = 0; i < c.length; ++i) + o[c.charAt(i)] += d; + return o.normalize(); + }; + + o.scale = function (c, f) { + for (var i = 0; i < c.length; ++i) + o[c.charAt(i)] *= f; + return o.normalize(); + }; + + o.toString = function () { + if (o.a >= 1.0) { + return "rgb("+[o.r, o.g, o.b].join(",")+")"; + } else { + return "rgba("+[o.r, o.g, o.b, o.a].join(",")+")"; + } + }; + + o.normalize = function () { + function clamp(min, value, max) { + return value < min ? min: (value > max ? max: value); + } + + o.r = clamp(0, parseInt(o.r), 255); + o.g = clamp(0, parseInt(o.g), 255); + o.b = clamp(0, parseInt(o.b), 255); + o.a = clamp(0, o.a, 1); + return o; + }; + + o.clone = function () { + return $.color.make(o.r, o.b, o.g, o.a); + }; + + return o.normalize(); + }; + + // extract CSS color property from element, going up in the DOM + // if it's "transparent" + $.color.extract = function (elem, css) { + var c; + + do { + c = elem.css(css).toLowerCase(); + // keep going until we find an element that has color, or + // we hit the body or root (have no parent) + if (c != '' && c != 'transparent') + break; + elem = elem.parent(); + } while (elem.length && !$.nodeName(elem.get(0), "body")); + + // catch Safari's way of signalling transparent + if (c == "rgba(0, 0, 0, 0)") + c = "transparent"; + + return $.color.parse(c); + }; + + // parse CSS color string (like "rgb(10, 32, 43)" or "#fff"), + // returns color object, if parsing failed, you get black (0, 0, + // 0) out + $.color.parse = function (str) { + var res, m = $.color.make; + + // Look for rgb(num,num,num) + if (res = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(str)) + return m(parseInt(res[1], 10), parseInt(res[2], 10), parseInt(res[3], 10)); + + // Look for rgba(num,num,num,num) + if (res = /rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str)) + return m(parseInt(res[1], 10), parseInt(res[2], 10), parseInt(res[3], 10), parseFloat(res[4])); + + // Look for rgb(num%,num%,num%) + if (res = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(str)) + return m(parseFloat(res[1])*2.55, parseFloat(res[2])*2.55, parseFloat(res[3])*2.55); + + // Look for rgba(num%,num%,num%,num) + if (res = /rgba\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str)) + return m(parseFloat(res[1])*2.55, parseFloat(res[2])*2.55, parseFloat(res[3])*2.55, parseFloat(res[4])); + + // Look for #a0b1c2 + if (res = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(str)) + return m(parseInt(res[1], 16), parseInt(res[2], 16), parseInt(res[3], 16)); + + // Look for #fff + if (res = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(str)) + return m(parseInt(res[1]+res[1], 16), parseInt(res[2]+res[2], 16), parseInt(res[3]+res[3], 16)); + + // Otherwise, we're most likely dealing with a named color + var name = $.trim(str).toLowerCase(); + if (name == "transparent") + return m(255, 255, 255, 0); + else { + // default to black + res = lookupColors[name] || [0, 0, 0]; + return m(res[0], res[1], res[2]); + } + }; + + var lookupColors = { + aqua:[0,255,255], + azure:[240,255,255], + beige:[245,245,220], + black:[0,0,0], + blue:[0,0,255], + brown:[165,42,42], + cyan:[0,255,255], + darkblue:[0,0,139], + darkcyan:[0,139,139], + darkgrey:[169,169,169], + darkgreen:[0,100,0], + darkkhaki:[189,183,107], + darkmagenta:[139,0,139], + darkolivegreen:[85,107,47], + darkorange:[255,140,0], + darkorchid:[153,50,204], + darkred:[139,0,0], + darksalmon:[233,150,122], + darkviolet:[148,0,211], + fuchsia:[255,0,255], + gold:[255,215,0], + green:[0,128,0], + indigo:[75,0,130], + khaki:[240,230,140], + lightblue:[173,216,230], + lightcyan:[224,255,255], + lightgreen:[144,238,144], + lightgrey:[211,211,211], + lightpink:[255,182,193], + lightyellow:[255,255,224], + lime:[0,255,0], + magenta:[255,0,255], + maroon:[128,0,0], + navy:[0,0,128], + olive:[128,128,0], + orange:[255,165,0], + pink:[255,192,203], + purple:[128,0,128], + violet:[128,0,128], + red:[255,0,0], + silver:[192,192,192], + white:[255,255,255], + yellow:[255,255,0] + }; +})(jQuery); diff --git a/LNbits/static/plugins/flot/jquery.colorhelpers.min.js b/LNbits/static/plugins/flot/jquery.colorhelpers.min.js new file mode 100644 index 00000000..7f426596 --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.colorhelpers.min.js @@ -0,0 +1 @@ +(function($){$.color={};$.color.make=function(r,g,b,a){var o={};o.r=r||0;o.g=g||0;o.b=b||0;o.a=a!=null?a:1;o.add=function(c,d){for(var i=0;i=1){return"rgb("+[o.r,o.g,o.b].join(",")+")"}else{return"rgba("+[o.r,o.g,o.b,o.a].join(",")+")"}};o.normalize=function(){function clamp(min,value,max){return valuemax?max:value}o.r=clamp(0,parseInt(o.r),255);o.g=clamp(0,parseInt(o.g),255);o.b=clamp(0,parseInt(o.b),255);o.a=clamp(0,o.a,1);return o};o.clone=function(){return $.color.make(o.r,o.b,o.g,o.a)};return o.normalize()};$.color.extract=function(elem,css){var c;do{c=elem.css(css).toLowerCase();if(c!=""&&c!="transparent")break;elem=elem.parent()}while(elem.length&&!$.nodeName(elem.get(0),"body"));if(c=="rgba(0, 0, 0, 0)")c="transparent";return $.color.parse(c)};$.color.parse=function(str){var res,m=$.color.make;if(res=/rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(str))return m(parseInt(res[1],10),parseInt(res[2],10),parseInt(res[3],10));if(res=/rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str))return m(parseInt(res[1],10),parseInt(res[2],10),parseInt(res[3],10),parseFloat(res[4]));if(res=/rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(str))return m(parseFloat(res[1])*2.55,parseFloat(res[2])*2.55,parseFloat(res[3])*2.55);if(res=/rgba\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str))return m(parseFloat(res[1])*2.55,parseFloat(res[2])*2.55,parseFloat(res[3])*2.55,parseFloat(res[4]));if(res=/#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(str))return m(parseInt(res[1],16),parseInt(res[2],16),parseInt(res[3],16));if(res=/#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(str))return m(parseInt(res[1]+res[1],16),parseInt(res[2]+res[2],16),parseInt(res[3]+res[3],16));var name=$.trim(str).toLowerCase();if(name=="transparent")return m(255,255,255,0);else{res=lookupColors[name]||[0,0,0];return m(res[0],res[1],res[2])}};var lookupColors={aqua:[0,255,255],azure:[240,255,255],beige:[245,245,220],black:[0,0,0],blue:[0,0,255],brown:[165,42,42],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgrey:[169,169,169],darkgreen:[0,100,0],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkviolet:[148,0,211],fuchsia:[255,0,255],gold:[255,215,0],green:[0,128,0],indigo:[75,0,130],khaki:[240,230,140],lightblue:[173,216,230],lightcyan:[224,255,255],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightyellow:[255,255,224],lime:[0,255,0],magenta:[255,0,255],maroon:[128,0,0],navy:[0,0,128],olive:[128,128,0],orange:[255,165,0],pink:[255,192,203],purple:[128,0,128],violet:[128,0,128],red:[255,0,0],silver:[192,192,192],white:[255,255,255],yellow:[255,255,0]}})(jQuery); \ No newline at end of file diff --git a/LNbits/static/plugins/flot/jquery.flot.canvas.js b/LNbits/static/plugins/flot/jquery.flot.canvas.js new file mode 100644 index 00000000..d94b9611 --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.canvas.js @@ -0,0 +1,345 @@ +/* Flot plugin for drawing all elements of a plot on the canvas. + +Copyright (c) 2007-2013 IOLA and Ole Laursen. +Licensed under the MIT license. + +Flot normally produces certain elements, like axis labels and the legend, using +HTML elements. This permits greater interactivity and customization, and often +looks better, due to cross-browser canvas text inconsistencies and limitations. + +It can also be desirable to render the plot entirely in canvas, particularly +if the goal is to save it as an image, or if Flot is being used in a context +where the HTML DOM does not exist, as is the case within Node.js. This plugin +switches out Flot's standard drawing operations for canvas-only replacements. + +Currently the plugin supports only axis labels, but it will eventually allow +every element of the plot to be rendered directly to canvas. + +The plugin supports these options: + +{ + canvas: boolean +} + +The "canvas" option controls whether full canvas drawing is enabled, making it +possible to toggle on and off. This is useful when a plot uses HTML text in the +browser, but needs to redraw with canvas text when exporting as an image. + +*/ + +(function($) { + + var options = { + canvas: true + }; + + var render, getTextInfo, addText; + + // Cache the prototype hasOwnProperty for faster access + + var hasOwnProperty = Object.prototype.hasOwnProperty; + + function init(plot, classes) { + + var Canvas = classes.Canvas; + + // We only want to replace the functions once; the second time around + // we would just get our new function back. This whole replacing of + // prototype functions is a disaster, and needs to be changed ASAP. + + if (render == null) { + getTextInfo = Canvas.prototype.getTextInfo, + addText = Canvas.prototype.addText, + render = Canvas.prototype.render; + } + + // Finishes rendering the canvas, including overlaid text + + Canvas.prototype.render = function() { + + if (!plot.getOptions().canvas) { + return render.call(this); + } + + var context = this.context, + cache = this._textCache; + + // For each text layer, render elements marked as active + + context.save(); + context.textBaseline = "middle"; + + for (var layerKey in cache) { + if (hasOwnProperty.call(cache, layerKey)) { + var layerCache = cache[layerKey]; + for (var styleKey in layerCache) { + if (hasOwnProperty.call(layerCache, styleKey)) { + var styleCache = layerCache[styleKey], + updateStyles = true; + for (var key in styleCache) { + if (hasOwnProperty.call(styleCache, key)) { + + var info = styleCache[key], + positions = info.positions, + lines = info.lines; + + // Since every element at this level of the cache have the + // same font and fill styles, we can just change them once + // using the values from the first element. + + if (updateStyles) { + context.fillStyle = info.font.color; + context.font = info.font.definition; + updateStyles = false; + } + + for (var i = 0, position; position = positions[i]; i++) { + if (position.active) { + for (var j = 0, line; line = position.lines[j]; j++) { + context.fillText(lines[j].text, line[0], line[1]); + } + } else { + positions.splice(i--, 1); + } + } + + if (positions.length == 0) { + delete styleCache[key]; + } + } + } + } + } + } + } + + context.restore(); + }; + + // Creates (if necessary) and returns a text info object. + // + // When the canvas option is set, the object looks like this: + // + // { + // width: Width of the text's bounding box. + // height: Height of the text's bounding box. + // positions: Array of positions at which this text is drawn. + // lines: [{ + // height: Height of this line. + // widths: Width of this line. + // text: Text on this line. + // }], + // font: { + // definition: Canvas font property string. + // color: Color of the text. + // }, + // } + // + // The positions array contains objects that look like this: + // + // { + // active: Flag indicating whether the text should be visible. + // lines: Array of [x, y] coordinates at which to draw the line. + // x: X coordinate at which to draw the text. + // y: Y coordinate at which to draw the text. + // } + + Canvas.prototype.getTextInfo = function(layer, text, font, angle, width) { + + if (!plot.getOptions().canvas) { + return getTextInfo.call(this, layer, text, font, angle, width); + } + + var textStyle, layerCache, styleCache, info; + + // Cast the value to a string, in case we were given a number + + text = "" + text; + + // If the font is a font-spec object, generate a CSS definition + + if (typeof font === "object") { + textStyle = font.style + " " + font.variant + " " + font.weight + " " + font.size + "px " + font.family; + } else { + textStyle = font; + } + + // Retrieve (or create) the cache for the text's layer and styles + + layerCache = this._textCache[layer]; + + if (layerCache == null) { + layerCache = this._textCache[layer] = {}; + } + + styleCache = layerCache[textStyle]; + + if (styleCache == null) { + styleCache = layerCache[textStyle] = {}; + } + + info = styleCache[text]; + + if (info == null) { + + var context = this.context; + + // If the font was provided as CSS, create a div with those + // classes and examine it to generate a canvas font spec. + + if (typeof font !== "object") { + + var element = $("
     
    ") + .css("position", "absolute") + .addClass(typeof font === "string" ? font : null) + .appendTo(this.getTextLayer(layer)); + + font = { + lineHeight: element.height(), + style: element.css("font-style"), + variant: element.css("font-variant"), + weight: element.css("font-weight"), + family: element.css("font-family"), + color: element.css("color") + }; + + // Setting line-height to 1, without units, sets it equal + // to the font-size, even if the font-size is abstract, + // like 'smaller'. This enables us to read the real size + // via the element's height, working around browsers that + // return the literal 'smaller' value. + + font.size = element.css("line-height", 1).height(); + + element.remove(); + } + + textStyle = font.style + " " + font.variant + " " + font.weight + " " + font.size + "px " + font.family; + + // Create a new info object, initializing the dimensions to + // zero so we can count them up line-by-line. + + info = styleCache[text] = { + width: 0, + height: 0, + positions: [], + lines: [], + font: { + definition: textStyle, + color: font.color + } + }; + + context.save(); + context.font = textStyle; + + // Canvas can't handle multi-line strings; break on various + // newlines, including HTML brs, to build a list of lines. + // Note that we could split directly on regexps, but IE < 9 is + // broken; revisit when we drop IE 7/8 support. + + var lines = (text + "").replace(/
    |\r\n|\r/g, "\n").split("\n"); + + for (var i = 0; i < lines.length; ++i) { + + var lineText = lines[i], + measured = context.measureText(lineText); + + info.width = Math.max(measured.width, info.width); + info.height += font.lineHeight; + + info.lines.push({ + text: lineText, + width: measured.width, + height: font.lineHeight + }); + } + + context.restore(); + } + + return info; + }; + + // Adds a text string to the canvas text overlay. + + Canvas.prototype.addText = function(layer, x, y, text, font, angle, width, halign, valign) { + + if (!plot.getOptions().canvas) { + return addText.call(this, layer, x, y, text, font, angle, width, halign, valign); + } + + var info = this.getTextInfo(layer, text, font, angle, width), + positions = info.positions, + lines = info.lines; + + // Text is drawn with baseline 'middle', which we need to account + // for by adding half a line's height to the y position. + + y += info.height / lines.length / 2; + + // Tweak the initial y-position to match vertical alignment + + if (valign == "middle") { + y = Math.round(y - info.height / 2); + } else if (valign == "bottom") { + y = Math.round(y - info.height); + } else { + y = Math.round(y); + } + + // FIXME: LEGACY BROWSER FIX + // AFFECTS: Opera < 12.00 + + // Offset the y coordinate, since Opera is off pretty + // consistently compared to the other browsers. + + if (!!(window.opera && window.opera.version().split(".")[0] < 12)) { + y -= 2; + } + + // Determine whether this text already exists at this position. + // If so, mark it for inclusion in the next render pass. + + for (var i = 0, position; position = positions[i]; i++) { + if (position.x == x && position.y == y) { + position.active = true; + return; + } + } + + // If the text doesn't exist at this position, create a new entry + + position = { + active: true, + lines: [], + x: x, + y: y + }; + + positions.push(position); + + // Fill in the x & y positions of each line, adjusting them + // individually for horizontal alignment. + + for (var i = 0, line; line = lines[i]; i++) { + if (halign == "center") { + position.lines.push([Math.round(x - line.width / 2), y]); + } else if (halign == "right") { + position.lines.push([Math.round(x - line.width), y]); + } else { + position.lines.push([Math.round(x), y]); + } + y += line.height; + } + }; + } + + $.plot.plugins.push({ + init: init, + options: options, + name: "canvas", + version: "1.0" + }); + +})(jQuery); diff --git a/LNbits/static/plugins/flot/jquery.flot.canvas.min.js b/LNbits/static/plugins/flot/jquery.flot.canvas.min.js new file mode 100644 index 00000000..826d2177 --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.canvas.min.js @@ -0,0 +1 @@ +(function($){var options={canvas:true};var render,getTextInfo,addText;var hasOwnProperty=Object.prototype.hasOwnProperty;function init(plot,classes){var Canvas=classes.Canvas;if(render==null){getTextInfo=Canvas.prototype.getTextInfo,addText=Canvas.prototype.addText,render=Canvas.prototype.render}Canvas.prototype.render=function(){if(!plot.getOptions().canvas){return render.call(this)}var context=this.context,cache=this._textCache;context.save();context.textBaseline="middle";for(var layerKey in cache){if(hasOwnProperty.call(cache,layerKey)){var layerCache=cache[layerKey];for(var styleKey in layerCache){if(hasOwnProperty.call(layerCache,styleKey)){var styleCache=layerCache[styleKey],updateStyles=true;for(var key in styleCache){if(hasOwnProperty.call(styleCache,key)){var info=styleCache[key],positions=info.positions,lines=info.lines;if(updateStyles){context.fillStyle=info.font.color;context.font=info.font.definition;updateStyles=false}for(var i=0,position;position=positions[i];i++){if(position.active){for(var j=0,line;line=position.lines[j];j++){context.fillText(lines[j].text,line[0],line[1])}}else{positions.splice(i--,1)}}if(positions.length==0){delete styleCache[key]}}}}}}}context.restore()};Canvas.prototype.getTextInfo=function(layer,text,font,angle,width){if(!plot.getOptions().canvas){return getTextInfo.call(this,layer,text,font,angle,width)}var textStyle,layerCache,styleCache,info;text=""+text;if(typeof font==="object"){textStyle=font.style+" "+font.variant+" "+font.weight+" "+font.size+"px "+font.family}else{textStyle=font}layerCache=this._textCache[layer];if(layerCache==null){layerCache=this._textCache[layer]={}}styleCache=layerCache[textStyle];if(styleCache==null){styleCache=layerCache[textStyle]={}}info=styleCache[text];if(info==null){var context=this.context;if(typeof font!=="object"){var element=$("
     
    ").css("position","absolute").addClass(typeof font==="string"?font:null).appendTo(this.getTextLayer(layer));font={lineHeight:element.height(),style:element.css("font-style"),variant:element.css("font-variant"),weight:element.css("font-weight"),family:element.css("font-family"),color:element.css("color")};font.size=element.css("line-height",1).height();element.remove()}textStyle=font.style+" "+font.variant+" "+font.weight+" "+font.size+"px "+font.family;info=styleCache[text]={width:0,height:0,positions:[],lines:[],font:{definition:textStyle,color:font.color}};context.save();context.font=textStyle;var lines=(text+"").replace(/
    |\r\n|\r/g,"\n").split("\n");for(var i=0;i index) + index = categories[v]; + + return index + 1; + } + + function categoriesTickGenerator(axis) { + var res = []; + for (var label in axis.categories) { + var v = axis.categories[label]; + if (v >= axis.min && v <= axis.max) + res.push([v, label]); + } + + res.sort(function (a, b) { return a[0] - b[0]; }); + + return res; + } + + function setupCategoriesForAxis(series, axis, datapoints) { + if (series[axis].options.mode != "categories") + return; + + if (!series[axis].categories) { + // parse options + var c = {}, o = series[axis].options.categories || {}; + if ($.isArray(o)) { + for (var i = 0; i < o.length; ++i) + c[o[i]] = i; + } + else { + for (var v in o) + c[v] = o[v]; + } + + series[axis].categories = c; + } + + // fix ticks + if (!series[axis].options.ticks) + series[axis].options.ticks = categoriesTickGenerator; + + transformPointsOnAxis(datapoints, axis, series[axis].categories); + } + + function transformPointsOnAxis(datapoints, axis, categories) { + // go through the points, transforming them + var points = datapoints.points, + ps = datapoints.pointsize, + format = datapoints.format, + formatColumn = axis.charAt(0), + index = getNextIndex(categories); + + for (var i = 0; i < points.length; i += ps) { + if (points[i] == null) + continue; + + for (var m = 0; m < ps; ++m) { + var val = points[i + m]; + + if (val == null || !format[m][formatColumn]) + continue; + + if (!(val in categories)) { + categories[val] = index; + ++index; + } + + points[i + m] = categories[val]; + } + } + } + + function processDatapoints(plot, series, datapoints) { + setupCategoriesForAxis(series, "xaxis", datapoints); + setupCategoriesForAxis(series, "yaxis", datapoints); + } + + function init(plot) { + plot.hooks.processRawData.push(processRawData); + plot.hooks.processDatapoints.push(processDatapoints); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'categories', + version: '1.0' + }); +})(jQuery); diff --git a/LNbits/static/plugins/flot/jquery.flot.categories.min.js b/LNbits/static/plugins/flot/jquery.flot.categories.min.js new file mode 100644 index 00000000..552dd90a --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.categories.min.js @@ -0,0 +1 @@ +(function($){var options={xaxis:{categories:null},yaxis:{categories:null}};function processRawData(plot,series,data,datapoints){var xCategories=series.xaxis.options.mode=="categories",yCategories=series.yaxis.options.mode=="categories";if(!(xCategories||yCategories))return;var format=datapoints.format;if(!format){var s=series;format=[];format.push({x:true,number:true,required:true});format.push({y:true,number:true,required:true});if(s.bars.show||s.lines.show&&s.lines.fill){var autoscale=!!(s.bars.show&&s.bars.zero||s.lines.show&&s.lines.zero);format.push({y:true,number:true,required:false,defaultValue:0,autoscale:autoscale});if(s.bars.horizontal){delete format[format.length-1].y;format[format.length-1].x=true}}datapoints.format=format}for(var m=0;mindex)index=categories[v];return index+1}function categoriesTickGenerator(axis){var res=[];for(var label in axis.categories){var v=axis.categories[label];if(v>=axis.min&&v<=axis.max)res.push([v,label])}res.sort(function(a,b){return a[0]-b[0]});return res}function setupCategoriesForAxis(series,axis,datapoints){if(series[axis].options.mode!="categories")return;if(!series[axis].categories){var c={},o=series[axis].options.categories||{};if($.isArray(o)){for(var i=0;i ax[1].max || y < ax[1].min || upper < ax[0].min || lower > ax[0].max) + continue; + if (err[e].err == 'y') + if (x > ax[0].max || x < ax[0].min || upper < ax[1].min || lower > ax[1].max) + continue; + + // prevent errorbars getting out of the canvas + var drawUpper = true, + drawLower = true; + + if (upper > minmax[1]) { + drawUpper = false; + upper = minmax[1]; + } + if (lower < minmax[0]) { + drawLower = false; + lower = minmax[0]; + } + + //sanity check, in case some inverted axis hack is applied to flot + if ((err[e].err == 'x' && invertX) || (err[e].err == 'y' && invertY)) { + //swap coordinates + var tmp = lower; + lower = upper; + upper = tmp; + tmp = drawLower; + drawLower = drawUpper; + drawUpper = tmp; + tmp = minmax[0]; + minmax[0] = minmax[1]; + minmax[1] = tmp; + } + + // convert to pixels + x = ax[0].p2c(x), + y = ax[1].p2c(y), + upper = ax[e].p2c(upper); + lower = ax[e].p2c(lower); + minmax[0] = ax[e].p2c(minmax[0]); + minmax[1] = ax[e].p2c(minmax[1]); + + //same style as points by default + var lw = err[e].lineWidth ? err[e].lineWidth : s.points.lineWidth, + sw = s.points.shadowSize != null ? s.points.shadowSize : s.shadowSize; + + //shadow as for points + if (lw > 0 && sw > 0) { + var w = sw / 2; + ctx.lineWidth = w; + ctx.strokeStyle = "rgba(0,0,0,0.1)"; + drawError(ctx, err[e], x, y, upper, lower, drawUpper, drawLower, radius, w + w/2, minmax); + + ctx.strokeStyle = "rgba(0,0,0,0.2)"; + drawError(ctx, err[e], x, y, upper, lower, drawUpper, drawLower, radius, w/2, minmax); + } + + ctx.strokeStyle = err[e].color? err[e].color: s.color; + ctx.lineWidth = lw; + //draw it + drawError(ctx, err[e], x, y, upper, lower, drawUpper, drawLower, radius, 0, minmax); + } + } + } + } + + function drawError(ctx,err,x,y,upper,lower,drawUpper,drawLower,radius,offset,minmax){ + + //shadow offset + y += offset; + upper += offset; + lower += offset; + + // error bar - avoid plotting over circles + if (err.err == 'x'){ + if (upper > x + radius) drawPath(ctx, [[upper,y],[Math.max(x + radius,minmax[0]),y]]); + else drawUpper = false; + if (lower < x - radius) drawPath(ctx, [[Math.min(x - radius,minmax[1]),y],[lower,y]] ); + else drawLower = false; + } + else { + if (upper < y - radius) drawPath(ctx, [[x,upper],[x,Math.min(y - radius,minmax[0])]] ); + else drawUpper = false; + if (lower > y + radius) drawPath(ctx, [[x,Math.max(y + radius,minmax[1])],[x,lower]] ); + else drawLower = false; + } + + //internal radius value in errorbar, allows to plot radius 0 points and still keep proper sized caps + //this is a way to get errorbars on lines without visible connecting dots + radius = err.radius != null? err.radius: radius; + + // upper cap + if (drawUpper) { + if (err.upperCap == '-'){ + if (err.err=='x') drawPath(ctx, [[upper,y - radius],[upper,y + radius]] ); + else drawPath(ctx, [[x - radius,upper],[x + radius,upper]] ); + } else if ($.isFunction(err.upperCap)){ + if (err.err=='x') err.upperCap(ctx, upper, y, radius); + else err.upperCap(ctx, x, upper, radius); + } + } + // lower cap + if (drawLower) { + if (err.lowerCap == '-'){ + if (err.err=='x') drawPath(ctx, [[lower,y - radius],[lower,y + radius]] ); + else drawPath(ctx, [[x - radius,lower],[x + radius,lower]] ); + } else if ($.isFunction(err.lowerCap)){ + if (err.err=='x') err.lowerCap(ctx, lower, y, radius); + else err.lowerCap(ctx, x, lower, radius); + } + } + } + + function drawPath(ctx, pts){ + ctx.beginPath(); + ctx.moveTo(pts[0][0], pts[0][1]); + for (var p=1; p < pts.length; p++) + ctx.lineTo(pts[p][0], pts[p][1]); + ctx.stroke(); + } + + function draw(plot, ctx){ + var plotOffset = plot.getPlotOffset(); + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + $.each(plot.getData(), function (i, s) { + if (s.points.errorbars && (s.points.xerr.show || s.points.yerr.show)) + drawSeriesErrors(plot, ctx, s); + }); + ctx.restore(); + } + + function init(plot) { + plot.hooks.processRawData.push(processRawData); + plot.hooks.draw.push(draw); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'errorbars', + version: '1.0' + }); +})(jQuery); diff --git a/LNbits/static/plugins/flot/jquery.flot.errorbars.min.js b/LNbits/static/plugins/flot/jquery.flot.errorbars.min.js new file mode 100644 index 00000000..a7bd0422 --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.errorbars.min.js @@ -0,0 +1 @@ +(function($){var options={series:{points:{errorbars:null,xerr:{err:"x",show:null,asymmetric:null,upperCap:null,lowerCap:null,color:null,radius:null},yerr:{err:"y",show:null,asymmetric:null,upperCap:null,lowerCap:null,color:null,radius:null}}}};function processRawData(plot,series,data,datapoints){if(!series.points.errorbars)return;var format=[{x:true,number:true,required:true},{y:true,number:true,required:true}];var errors=series.points.errorbars;if(errors=="x"||errors=="xy"){if(series.points.xerr.asymmetric){format.push({x:true,number:true,required:true});format.push({x:true,number:true,required:true})}else format.push({x:true,number:true,required:true})}if(errors=="y"||errors=="xy"){if(series.points.yerr.asymmetric){format.push({y:true,number:true,required:true});format.push({y:true,number:true,required:true})}else format.push({y:true,number:true,required:true})}datapoints.format=format}function parseErrors(series,i){var points=series.datapoints.points;var exl=null,exu=null,eyl=null,eyu=null;var xerr=series.points.xerr,yerr=series.points.yerr;var eb=series.points.errorbars;if(eb=="x"||eb=="xy"){if(xerr.asymmetric){exl=points[i+2];exu=points[i+3];if(eb=="xy")if(yerr.asymmetric){eyl=points[i+4];eyu=points[i+5]}else eyl=points[i+4]}else{exl=points[i+2];if(eb=="xy")if(yerr.asymmetric){eyl=points[i+3];eyu=points[i+4]}else eyl=points[i+3]}}else if(eb=="y")if(yerr.asymmetric){eyl=points[i+2];eyu=points[i+3]}else eyl=points[i+2];if(exu==null)exu=exl;if(eyu==null)eyu=eyl;var errRanges=[exl,exu,eyl,eyu];if(!xerr.show){errRanges[0]=null;errRanges[1]=null}if(!yerr.show){errRanges[2]=null;errRanges[3]=null}return errRanges}function drawSeriesErrors(plot,ctx,s){var points=s.datapoints.points,ps=s.datapoints.pointsize,ax=[s.xaxis,s.yaxis],radius=s.points.radius,err=[s.points.xerr,s.points.yerr];var invertX=false;if(ax[0].p2c(ax[0].max)ax[1].max||yax[0].max)continue;if(err[e].err=="y")if(x>ax[0].max||xax[1].max)continue;var drawUpper=true,drawLower=true;if(upper>minmax[1]){drawUpper=false;upper=minmax[1]}if(lower0&&sw>0){var w=sw/2;ctx.lineWidth=w;ctx.strokeStyle="rgba(0,0,0,0.1)";drawError(ctx,err[e],x,y,upper,lower,drawUpper,drawLower,radius,w+w/2,minmax);ctx.strokeStyle="rgba(0,0,0,0.2)";drawError(ctx,err[e],x,y,upper,lower,drawUpper,drawLower,radius,w/2,minmax)}ctx.strokeStyle=err[e].color?err[e].color:s.color;ctx.lineWidth=lw;drawError(ctx,err[e],x,y,upper,lower,drawUpper,drawLower,radius,0,minmax)}}}}function drawError(ctx,err,x,y,upper,lower,drawUpper,drawLower,radius,offset,minmax){y+=offset;upper+=offset;lower+=offset;if(err.err=="x"){if(upper>x+radius)drawPath(ctx,[[upper,y],[Math.max(x+radius,minmax[0]),y]]);else drawUpper=false;if(lowery+radius)drawPath(ctx,[[x,Math.max(y+radius,minmax[1])],[x,lower]]);else drawLower=false}radius=err.radius!=null?err.radius:radius;if(drawUpper){if(err.upperCap=="-"){if(err.err=="x")drawPath(ctx,[[upper,y-radius],[upper,y+radius]]);else drawPath(ctx,[[x-radius,upper],[x+radius,upper]])}else if($.isFunction(err.upperCap)){if(err.err=="x")err.upperCap(ctx,upper,y,radius);else err.upperCap(ctx,x,upper,radius)}}if(drawLower){if(err.lowerCap=="-"){if(err.err=="x")drawPath(ctx,[[lower,y-radius],[lower,y+radius]]);else drawPath(ctx,[[x-radius,lower],[x+radius,lower]])}else if($.isFunction(err.lowerCap)){if(err.err=="x")err.lowerCap(ctx,lower,y,radius);else err.lowerCap(ctx,x,lower,radius)}}}function drawPath(ctx,pts){ctx.beginPath();ctx.moveTo(pts[0][0],pts[0][1]);for(var p=1;p= allseries.length ) { + return null; + } + return allseries[ s.fillBetween ]; + } + + return null; + } + + function computeFillBottoms( plot, s, datapoints ) { + + if ( s.fillBetween == null ) { + return; + } + + var other = findBottomSeries( s, plot.getData() ); + + if ( !other ) { + return; + } + + var ps = datapoints.pointsize, + points = datapoints.points, + otherps = other.datapoints.pointsize, + otherpoints = other.datapoints.points, + newpoints = [], + px, py, intery, qx, qy, bottom, + withlines = s.lines.show, + withbottom = ps > 2 && datapoints.format[2].y, + withsteps = withlines && s.lines.steps, + fromgap = true, + i = 0, + j = 0, + l, m; + + while ( true ) { + + if ( i >= points.length ) { + break; + } + + l = newpoints.length; + + if ( points[ i ] == null ) { + + // copy gaps + + for ( m = 0; m < ps; ++m ) { + newpoints.push( points[ i + m ] ); + } + + i += ps; + + } else if ( j >= otherpoints.length ) { + + // for lines, we can't use the rest of the points + + if ( !withlines ) { + for ( m = 0; m < ps; ++m ) { + newpoints.push( points[ i + m ] ); + } + } + + i += ps; + + } else if ( otherpoints[ j ] == null ) { + + // oops, got a gap + + for ( m = 0; m < ps; ++m ) { + newpoints.push( null ); + } + + fromgap = true; + j += otherps; + + } else { + + // cases where we actually got two points + + px = points[ i ]; + py = points[ i + 1 ]; + qx = otherpoints[ j ]; + qy = otherpoints[ j + 1 ]; + bottom = 0; + + if ( px === qx ) { + + for ( m = 0; m < ps; ++m ) { + newpoints.push( points[ i + m ] ); + } + + //newpoints[ l + 1 ] += qy; + bottom = qy; + + i += ps; + j += otherps; + + } else if ( px > qx ) { + + // we got past point below, might need to + // insert interpolated extra point + + if ( withlines && i > 0 && points[ i - ps ] != null ) { + intery = py + ( points[ i - ps + 1 ] - py ) * ( qx - px ) / ( points[ i - ps ] - px ); + newpoints.push( qx ); + newpoints.push( intery ); + for ( m = 2; m < ps; ++m ) { + newpoints.push( points[ i + m ] ); + } + bottom = qy; + } + + j += otherps; + + } else { // px < qx + + // if we come from a gap, we just skip this point + + if ( fromgap && withlines ) { + i += ps; + continue; + } + + for ( m = 0; m < ps; ++m ) { + newpoints.push( points[ i + m ] ); + } + + // we might be able to interpolate a point below, + // this can give us a better y + + if ( withlines && j > 0 && otherpoints[ j - otherps ] != null ) { + bottom = qy + ( otherpoints[ j - otherps + 1 ] - qy ) * ( px - qx ) / ( otherpoints[ j - otherps ] - qx ); + } + + //newpoints[l + 1] += bottom; + + i += ps; + } + + fromgap = false; + + if ( l !== newpoints.length && withbottom ) { + newpoints[ l + 2 ] = bottom; + } + } + + // maintain the line steps invariant + + if ( withsteps && l !== newpoints.length && l > 0 && + newpoints[ l ] !== null && + newpoints[ l ] !== newpoints[ l - ps ] && + newpoints[ l + 1 ] !== newpoints[ l - ps + 1 ] ) { + for (m = 0; m < ps; ++m) { + newpoints[ l + ps + m ] = newpoints[ l + m ]; + } + newpoints[ l + 1 ] = newpoints[ l - ps + 1 ]; + } + } + + datapoints.points = newpoints; + } + + plot.hooks.processDatapoints.push( computeFillBottoms ); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: "fillbetween", + version: "1.0" + }); + +})(jQuery); diff --git a/LNbits/static/plugins/flot/jquery.flot.fillbetween.min.js b/LNbits/static/plugins/flot/jquery.flot.fillbetween.min.js new file mode 100644 index 00000000..5bdad05f --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.fillbetween.min.js @@ -0,0 +1 @@ +(function($){var options={series:{fillBetween:null}};function init(plot){function findBottomSeries(s,allseries){var i;for(i=0;i=allseries.length){return null}return allseries[s.fillBetween]}return null}function computeFillBottoms(plot,s,datapoints){if(s.fillBetween==null){return}var other=findBottomSeries(s,plot.getData());if(!other){return}var ps=datapoints.pointsize,points=datapoints.points,otherps=other.datapoints.pointsize,otherpoints=other.datapoints.points,newpoints=[],px,py,intery,qx,qy,bottom,withlines=s.lines.show,withbottom=ps>2&&datapoints.format[2].y,withsteps=withlines&&s.lines.steps,fromgap=true,i=0,j=0,l,m;while(true){if(i>=points.length){break}l=newpoints.length;if(points[i]==null){for(m=0;m=otherpoints.length){if(!withlines){for(m=0;mqx){if(withlines&&i>0&&points[i-ps]!=null){intery=py+(points[i-ps+1]-py)*(qx-px)/(points[i-ps]-px);newpoints.push(qx);newpoints.push(intery);for(m=2;m0&&otherpoints[j-otherps]!=null){bottom=qy+(otherpoints[j-otherps+1]-qy)*(px-qx)/(otherpoints[j-otherps]-qx)}i+=ps}fromgap=false;if(l!==newpoints.length&&withbottom){newpoints[l+2]=bottom}}if(withsteps&&l!==newpoints.length&&l>0&&newpoints[l]!==null&&newpoints[l]!==newpoints[l-ps]&&newpoints[l+1]!==newpoints[l-ps+1]){for(m=0;m').load(handler).error(handler).attr('src', url); + }); + }; + + function drawSeries(plot, ctx, series) { + var plotOffset = plot.getPlotOffset(); + + if (!series.images || !series.images.show) + return; + + var points = series.datapoints.points, + ps = series.datapoints.pointsize; + + for (var i = 0; i < points.length; i += ps) { + var img = points[i], + x1 = points[i + 1], y1 = points[i + 2], + x2 = points[i + 3], y2 = points[i + 4], + xaxis = series.xaxis, yaxis = series.yaxis, + tmp; + + // actually we should check img.complete, but it + // appears to be a somewhat unreliable indicator in + // IE6 (false even after load event) + if (!img || img.width <= 0 || img.height <= 0) + continue; + + if (x1 > x2) { + tmp = x2; + x2 = x1; + x1 = tmp; + } + if (y1 > y2) { + tmp = y2; + y2 = y1; + y1 = tmp; + } + + // if the anchor is at the center of the pixel, expand the + // image by 1/2 pixel in each direction + if (series.images.anchor == "center") { + tmp = 0.5 * (x2-x1) / (img.width - 1); + x1 -= tmp; + x2 += tmp; + tmp = 0.5 * (y2-y1) / (img.height - 1); + y1 -= tmp; + y2 += tmp; + } + + // clip + if (x1 == x2 || y1 == y2 || + x1 >= xaxis.max || x2 <= xaxis.min || + y1 >= yaxis.max || y2 <= yaxis.min) + continue; + + var sx1 = 0, sy1 = 0, sx2 = img.width, sy2 = img.height; + if (x1 < xaxis.min) { + sx1 += (sx2 - sx1) * (xaxis.min - x1) / (x2 - x1); + x1 = xaxis.min; + } + + if (x2 > xaxis.max) { + sx2 += (sx2 - sx1) * (xaxis.max - x2) / (x2 - x1); + x2 = xaxis.max; + } + + if (y1 < yaxis.min) { + sy2 += (sy1 - sy2) * (yaxis.min - y1) / (y2 - y1); + y1 = yaxis.min; + } + + if (y2 > yaxis.max) { + sy1 += (sy1 - sy2) * (yaxis.max - y2) / (y2 - y1); + y2 = yaxis.max; + } + + x1 = xaxis.p2c(x1); + x2 = xaxis.p2c(x2); + y1 = yaxis.p2c(y1); + y2 = yaxis.p2c(y2); + + // the transformation may have swapped us + if (x1 > x2) { + tmp = x2; + x2 = x1; + x1 = tmp; + } + if (y1 > y2) { + tmp = y2; + y2 = y1; + y1 = tmp; + } + + tmp = ctx.globalAlpha; + ctx.globalAlpha *= series.images.alpha; + ctx.drawImage(img, + sx1, sy1, sx2 - sx1, sy2 - sy1, + x1 + plotOffset.left, y1 + plotOffset.top, + x2 - x1, y2 - y1); + ctx.globalAlpha = tmp; + } + } + + function processRawData(plot, series, data, datapoints) { + if (!series.images.show) + return; + + // format is Image, x1, y1, x2, y2 (opposite corners) + datapoints.format = [ + { required: true }, + { x: true, number: true, required: true }, + { y: true, number: true, required: true }, + { x: true, number: true, required: true }, + { y: true, number: true, required: true } + ]; + } + + function init(plot) { + plot.hooks.processRawData.push(processRawData); + plot.hooks.drawSeries.push(drawSeries); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'image', + version: '1.1' + }); +})(jQuery); diff --git a/LNbits/static/plugins/flot/jquery.flot.image.min.js b/LNbits/static/plugins/flot/jquery.flot.image.min.js new file mode 100644 index 00000000..60600241 --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.image.min.js @@ -0,0 +1 @@ +(function($){var options={series:{images:{show:false,alpha:1,anchor:"corner"}}};$.plot.image={};$.plot.image.loadDataImages=function(series,options,callback){var urls=[],points=[];var defaultShow=options.series.images.show;$.each(series,function(i,s){if(!(defaultShow||s.images.show))return;if(s.data)s=s.data;$.each(s,function(i,p){if(typeof p[0]=="string"){urls.push(p[0]);points.push(p)}})});$.plot.image.load(urls,function(loadedImages){$.each(points,function(i,p){var url=p[0];if(loadedImages[url])p[0]=loadedImages[url]});callback()})};$.plot.image.load=function(urls,callback){var missing=urls.length,loaded={};if(missing==0)callback({});$.each(urls,function(i,url){var handler=function(){--missing;loaded[url]=this;if(missing==0)callback(loaded)};$("").load(handler).error(handler).attr("src",url)})};function drawSeries(plot,ctx,series){var plotOffset=plot.getPlotOffset();if(!series.images||!series.images.show)return;var points=series.datapoints.points,ps=series.datapoints.pointsize;for(var i=0;ix2){tmp=x2;x2=x1;x1=tmp}if(y1>y2){tmp=y2;y2=y1;y1=tmp}if(series.images.anchor=="center"){tmp=.5*(x2-x1)/(img.width-1);x1-=tmp;x2+=tmp;tmp=.5*(y2-y1)/(img.height-1);y1-=tmp;y2+=tmp}if(x1==x2||y1==y2||x1>=xaxis.max||x2<=xaxis.min||y1>=yaxis.max||y2<=yaxis.min)continue;var sx1=0,sy1=0,sx2=img.width,sy2=img.height;if(x1xaxis.max){sx2+=(sx2-sx1)*(xaxis.max-x2)/(x2-x1);x2=xaxis.max}if(y1yaxis.max){sy1+=(sy1-sy2)*(yaxis.max-y2)/(y2-y1);y2=yaxis.max}x1=xaxis.p2c(x1);x2=xaxis.p2c(x2);y1=yaxis.p2c(y1);y2=yaxis.p2c(y2);if(x1>x2){tmp=x2;x2=x1;x1=tmp}if(y1>y2){tmp=y2;y2=y1;y1=tmp}tmp=ctx.globalAlpha;ctx.globalAlpha*=series.images.alpha;ctx.drawImage(img,sx1,sy1,sx2-sx1,sy2-sy1,x1+plotOffset.left,y1+plotOffset.top,x2-x1,y2-y1);ctx.globalAlpha=tmp}}function processRawData(plot,series,data,datapoints){if(!series.images.show)return;datapoints.format=[{required:true},{x:true,number:true,required:true},{y:true,number:true,required:true},{x:true,number:true,required:true},{y:true,number:true,required:true}]}function init(plot){plot.hooks.processRawData.push(processRawData);plot.hooks.drawSeries.push(drawSeries)}$.plot.plugins.push({init:init,options:options,name:"image",version:"1.1"})})(jQuery); \ No newline at end of file diff --git a/LNbits/static/plugins/flot/jquery.flot.js b/LNbits/static/plugins/flot/jquery.flot.js new file mode 100644 index 00000000..965e78ef --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.js @@ -0,0 +1,3137 @@ +/* Javascript plotting library for jQuery, version 0.8.2. + +Copyright (c) 2007-2013 IOLA and Ole Laursen. +Licensed under the MIT license. + +*/ + +// first an inline dependency, jquery.colorhelpers.js, we inline it here +// for convenience + +/* Plugin for jQuery for working with colors. + * + * Version 1.1. + * + * Inspiration from jQuery color animation plugin by John Resig. + * + * Released under the MIT license by Ole Laursen, October 2009. + * + * Examples: + * + * $.color.parse("#fff").scale('rgb', 0.25).add('a', -0.5).toString() + * var c = $.color.extract($("#mydiv"), 'background-color'); + * console.log(c.r, c.g, c.b, c.a); + * $.color.make(100, 50, 25, 0.4).toString() // returns "rgba(100,50,25,0.4)" + * + * Note that .scale() and .add() return the same modified object + * instead of making a new one. + * + * V. 1.1: Fix error handling so e.g. parsing an empty string does + * produce a color rather than just crashing. + */ +(function($){$.color={};$.color.make=function(r,g,b,a){var o={};o.r=r||0;o.g=g||0;o.b=b||0;o.a=a!=null?a:1;o.add=function(c,d){for(var i=0;i=1){return"rgb("+[o.r,o.g,o.b].join(",")+")"}else{return"rgba("+[o.r,o.g,o.b,o.a].join(",")+")"}};o.normalize=function(){function clamp(min,value,max){return valuemax?max:value}o.r=clamp(0,parseInt(o.r),255);o.g=clamp(0,parseInt(o.g),255);o.b=clamp(0,parseInt(o.b),255);o.a=clamp(0,o.a,1);return o};o.clone=function(){return $.color.make(o.r,o.b,o.g,o.a)};return o.normalize()};$.color.extract=function(elem,css){var c;do{c=elem.css(css).toLowerCase();if(c!=""&&c!="transparent")break;elem=elem.parent()}while(elem.length&&!$.nodeName(elem.get(0),"body"));if(c=="rgba(0, 0, 0, 0)")c="transparent";return $.color.parse(c)};$.color.parse=function(str){var res,m=$.color.make;if(res=/rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(str))return m(parseInt(res[1],10),parseInt(res[2],10),parseInt(res[3],10));if(res=/rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str))return m(parseInt(res[1],10),parseInt(res[2],10),parseInt(res[3],10),parseFloat(res[4]));if(res=/rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(str))return m(parseFloat(res[1])*2.55,parseFloat(res[2])*2.55,parseFloat(res[3])*2.55);if(res=/rgba\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str))return m(parseFloat(res[1])*2.55,parseFloat(res[2])*2.55,parseFloat(res[3])*2.55,parseFloat(res[4]));if(res=/#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(str))return m(parseInt(res[1],16),parseInt(res[2],16),parseInt(res[3],16));if(res=/#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(str))return m(parseInt(res[1]+res[1],16),parseInt(res[2]+res[2],16),parseInt(res[3]+res[3],16));var name=$.trim(str).toLowerCase();if(name=="transparent")return m(255,255,255,0);else{res=lookupColors[name]||[0,0,0];return m(res[0],res[1],res[2])}};var lookupColors={aqua:[0,255,255],azure:[240,255,255],beige:[245,245,220],black:[0,0,0],blue:[0,0,255],brown:[165,42,42],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgrey:[169,169,169],darkgreen:[0,100,0],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkviolet:[148,0,211],fuchsia:[255,0,255],gold:[255,215,0],green:[0,128,0],indigo:[75,0,130],khaki:[240,230,140],lightblue:[173,216,230],lightcyan:[224,255,255],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightyellow:[255,255,224],lime:[0,255,0],magenta:[255,0,255],maroon:[128,0,0],navy:[0,0,128],olive:[128,128,0],orange:[255,165,0],pink:[255,192,203],purple:[128,0,128],violet:[128,0,128],red:[255,0,0],silver:[192,192,192],white:[255,255,255],yellow:[255,255,0]}})(jQuery); + +// the actual Flot code +(function($) { + + // Cache the prototype hasOwnProperty for faster access + + var hasOwnProperty = Object.prototype.hasOwnProperty; + + /////////////////////////////////////////////////////////////////////////// + // The Canvas object is a wrapper around an HTML5 tag. + // + // @constructor + // @param {string} cls List of classes to apply to the canvas. + // @param {element} container Element onto which to append the canvas. + // + // Requiring a container is a little iffy, but unfortunately canvas + // operations don't work unless the canvas is attached to the DOM. + + function Canvas(cls, container) { + + var element = container.children("." + cls)[0]; + + if (element == null) { + + element = document.createElement("canvas"); + element.className = cls; + + $(element).css({ direction: "ltr", position: "absolute", left: 0, top: 0 }) + .appendTo(container); + + // If HTML5 Canvas isn't available, fall back to [Ex|Flash]canvas + + if (!element.getContext) { + if (window.G_vmlCanvasManager) { + element = window.G_vmlCanvasManager.initElement(element); + } else { + throw new Error("Canvas is not available. If you're using IE with a fall-back such as Excanvas, then there's either a mistake in your conditional include, or the page has no DOCTYPE and is rendering in Quirks Mode."); + } + } + } + + this.element = element; + + var context = this.context = element.getContext("2d"); + + // Determine the screen's ratio of physical to device-independent + // pixels. This is the ratio between the canvas width that the browser + // advertises and the number of pixels actually present in that space. + + // The iPhone 4, for example, has a device-independent width of 320px, + // but its screen is actually 640px wide. It therefore has a pixel + // ratio of 2, while most normal devices have a ratio of 1. + + var devicePixelRatio = window.devicePixelRatio || 1, + backingStoreRatio = + context.webkitBackingStorePixelRatio || + context.mozBackingStorePixelRatio || + context.msBackingStorePixelRatio || + context.oBackingStorePixelRatio || + context.backingStorePixelRatio || 1; + + this.pixelRatio = devicePixelRatio / backingStoreRatio; + + // Size the canvas to match the internal dimensions of its container + + this.resize(container.width(), container.height()); + + // Collection of HTML div layers for text overlaid onto the canvas + + this.textContainer = null; + this.text = {}; + + // Cache of text fragments and metrics, so we can avoid expensively + // re-calculating them when the plot is re-rendered in a loop. + + this._textCache = {}; + } + + // Resizes the canvas to the given dimensions. + // + // @param {number} width New width of the canvas, in pixels. + // @param {number} width New height of the canvas, in pixels. + + Canvas.prototype.resize = function(width, height) { + + if (width <= 0 || height <= 0) { + throw new Error("Invalid dimensions for plot, width = " + width + ", height = " + height); + } + + var element = this.element, + context = this.context, + pixelRatio = this.pixelRatio; + + // Resize the canvas, increasing its density based on the display's + // pixel ratio; basically giving it more pixels without increasing the + // size of its element, to take advantage of the fact that retina + // displays have that many more pixels in the same advertised space. + + // Resizing should reset the state (excanvas seems to be buggy though) + + if (this.width != width) { + element.width = width * pixelRatio; + element.style.width = width + "px"; + this.width = width; + } + + if (this.height != height) { + element.height = height * pixelRatio; + element.style.height = height + "px"; + this.height = height; + } + + // Save the context, so we can reset in case we get replotted. The + // restore ensure that we're really back at the initial state, and + // should be safe even if we haven't saved the initial state yet. + + context.restore(); + context.save(); + + // Scale the coordinate space to match the display density; so even though we + // may have twice as many pixels, we still want lines and other drawing to + // appear at the same size; the extra pixels will just make them crisper. + + context.scale(pixelRatio, pixelRatio); + }; + + // Clears the entire canvas area, not including any overlaid HTML text + + Canvas.prototype.clear = function() { + this.context.clearRect(0, 0, this.width, this.height); + }; + + // Finishes rendering the canvas, including managing the text overlay. + + Canvas.prototype.render = function() { + + var cache = this._textCache; + + // For each text layer, add elements marked as active that haven't + // already been rendered, and remove those that are no longer active. + + for (var layerKey in cache) { + if (hasOwnProperty.call(cache, layerKey)) { + + var layer = this.getTextLayer(layerKey), + layerCache = cache[layerKey]; + + layer.hide(); + + for (var styleKey in layerCache) { + if (hasOwnProperty.call(layerCache, styleKey)) { + var styleCache = layerCache[styleKey]; + for (var key in styleCache) { + if (hasOwnProperty.call(styleCache, key)) { + + var positions = styleCache[key].positions; + + for (var i = 0, position; position = positions[i]; i++) { + if (position.active) { + if (!position.rendered) { + layer.append(position.element); + position.rendered = true; + } + } else { + positions.splice(i--, 1); + if (position.rendered) { + position.element.detach(); + } + } + } + + if (positions.length == 0) { + delete styleCache[key]; + } + } + } + } + } + + layer.show(); + } + } + }; + + // Creates (if necessary) and returns the text overlay container. + // + // @param {string} classes String of space-separated CSS classes used to + // uniquely identify the text layer. + // @return {object} The jQuery-wrapped text-layer div. + + Canvas.prototype.getTextLayer = function(classes) { + + var layer = this.text[classes]; + + // Create the text layer if it doesn't exist + + if (layer == null) { + + // Create the text layer container, if it doesn't exist + + if (this.textContainer == null) { + this.textContainer = $("
    ") + .css({ + position: "absolute", + top: 0, + left: 0, + bottom: 0, + right: 0, + 'font-size': "smaller", + color: "#545454" + }) + .insertAfter(this.element); + } + + layer = this.text[classes] = $("
    ") + .addClass(classes) + .css({ + position: "absolute", + top: 0, + left: 0, + bottom: 0, + right: 0 + }) + .appendTo(this.textContainer); + } + + return layer; + }; + + // Creates (if necessary) and returns a text info object. + // + // The object looks like this: + // + // { + // width: Width of the text's wrapper div. + // height: Height of the text's wrapper div. + // element: The jQuery-wrapped HTML div containing the text. + // positions: Array of positions at which this text is drawn. + // } + // + // The positions array contains objects that look like this: + // + // { + // active: Flag indicating whether the text should be visible. + // rendered: Flag indicating whether the text is currently visible. + // element: The jQuery-wrapped HTML div containing the text. + // x: X coordinate at which to draw the text. + // y: Y coordinate at which to draw the text. + // } + // + // Each position after the first receives a clone of the original element. + // + // The idea is that that the width, height, and general 'identity' of the + // text is constant no matter where it is placed; the placements are a + // secondary property. + // + // Canvas maintains a cache of recently-used text info objects; getTextInfo + // either returns the cached element or creates a new entry. + // + // @param {string} layer A string of space-separated CSS classes uniquely + // identifying the layer containing this text. + // @param {string} text Text string to retrieve info for. + // @param {(string|object)=} font Either a string of space-separated CSS + // classes or a font-spec object, defining the text's font and style. + // @param {number=} angle Angle at which to rotate the text, in degrees. + // Angle is currently unused, it will be implemented in the future. + // @param {number=} width Maximum width of the text before it wraps. + // @return {object} a text info object. + + Canvas.prototype.getTextInfo = function(layer, text, font, angle, width) { + + var textStyle, layerCache, styleCache, info; + + // Cast the value to a string, in case we were given a number or such + + text = "" + text; + + // If the font is a font-spec object, generate a CSS font definition + + if (typeof font === "object") { + textStyle = font.style + " " + font.variant + " " + font.weight + " " + font.size + "px/" + font.lineHeight + "px " + font.family; + } else { + textStyle = font; + } + + // Retrieve (or create) the cache for the text's layer and styles + + layerCache = this._textCache[layer]; + + if (layerCache == null) { + layerCache = this._textCache[layer] = {}; + } + + styleCache = layerCache[textStyle]; + + if (styleCache == null) { + styleCache = layerCache[textStyle] = {}; + } + + info = styleCache[text]; + + // If we can't find a matching element in our cache, create a new one + + if (info == null) { + + var element = $("
    ").html(text) + .css({ + position: "absolute", + 'max-width': width, + top: -9999 + }) + .appendTo(this.getTextLayer(layer)); + + if (typeof font === "object") { + element.css({ + font: textStyle, + color: font.color + }); + } else if (typeof font === "string") { + element.addClass(font); + } + + info = styleCache[text] = { + width: element.outerWidth(true), + height: element.outerHeight(true), + element: element, + positions: [] + }; + + element.detach(); + } + + return info; + }; + + // Adds a text string to the canvas text overlay. + // + // The text isn't drawn immediately; it is marked as rendering, which will + // result in its addition to the canvas on the next render pass. + // + // @param {string} layer A string of space-separated CSS classes uniquely + // identifying the layer containing this text. + // @param {number} x X coordinate at which to draw the text. + // @param {number} y Y coordinate at which to draw the text. + // @param {string} text Text string to draw. + // @param {(string|object)=} font Either a string of space-separated CSS + // classes or a font-spec object, defining the text's font and style. + // @param {number=} angle Angle at which to rotate the text, in degrees. + // Angle is currently unused, it will be implemented in the future. + // @param {number=} width Maximum width of the text before it wraps. + // @param {string=} halign Horizontal alignment of the text; either "left", + // "center" or "right". + // @param {string=} valign Vertical alignment of the text; either "top", + // "middle" or "bottom". + + Canvas.prototype.addText = function(layer, x, y, text, font, angle, width, halign, valign) { + + var info = this.getTextInfo(layer, text, font, angle, width), + positions = info.positions; + + // Tweak the div's position to match the text's alignment + + if (halign == "center") { + x -= info.width / 2; + } else if (halign == "right") { + x -= info.width; + } + + if (valign == "middle") { + y -= info.height / 2; + } else if (valign == "bottom") { + y -= info.height; + } + + // Determine whether this text already exists at this position. + // If so, mark it for inclusion in the next render pass. + + for (var i = 0, position; position = positions[i]; i++) { + if (position.x == x && position.y == y) { + position.active = true; + return; + } + } + + // If the text doesn't exist at this position, create a new entry + + // For the very first position we'll re-use the original element, + // while for subsequent ones we'll clone it. + + position = { + active: true, + rendered: false, + element: positions.length ? info.element.clone() : info.element, + x: x, + y: y + }; + + positions.push(position); + + // Move the element to its final position within the container + + position.element.css({ + top: Math.round(y), + left: Math.round(x), + 'text-align': halign // In case the text wraps + }); + }; + + // Removes one or more text strings from the canvas text overlay. + // + // If no parameters are given, all text within the layer is removed. + // + // Note that the text is not immediately removed; it is simply marked as + // inactive, which will result in its removal on the next render pass. + // This avoids the performance penalty for 'clear and redraw' behavior, + // where we potentially get rid of all text on a layer, but will likely + // add back most or all of it later, as when redrawing axes, for example. + // + // @param {string} layer A string of space-separated CSS classes uniquely + // identifying the layer containing this text. + // @param {number=} x X coordinate of the text. + // @param {number=} y Y coordinate of the text. + // @param {string=} text Text string to remove. + // @param {(string|object)=} font Either a string of space-separated CSS + // classes or a font-spec object, defining the text's font and style. + // @param {number=} angle Angle at which the text is rotated, in degrees. + // Angle is currently unused, it will be implemented in the future. + + Canvas.prototype.removeText = function(layer, x, y, text, font, angle) { + if (text == null) { + var layerCache = this._textCache[layer]; + if (layerCache != null) { + for (var styleKey in layerCache) { + if (hasOwnProperty.call(layerCache, styleKey)) { + var styleCache = layerCache[styleKey]; + for (var key in styleCache) { + if (hasOwnProperty.call(styleCache, key)) { + var positions = styleCache[key].positions; + for (var i = 0, position; position = positions[i]; i++) { + position.active = false; + } + } + } + } + } + } + } else { + var positions = this.getTextInfo(layer, text, font, angle).positions; + for (var i = 0, position; position = positions[i]; i++) { + if (position.x == x && position.y == y) { + position.active = false; + } + } + } + }; + + /////////////////////////////////////////////////////////////////////////// + // The top-level container for the entire plot. + + function Plot(placeholder, data_, options_, plugins) { + // data is on the form: + // [ series1, series2 ... ] + // where series is either just the data as [ [x1, y1], [x2, y2], ... ] + // or { data: [ [x1, y1], [x2, y2], ... ], label: "some label", ... } + + var series = [], + options = { + // the color theme used for graphs + colors: ["#edc240", "#afd8f8", "#cb4b4b", "#4da74d", "#9440ed"], + legend: { + show: true, + noColumns: 1, // number of colums in legend table + labelFormatter: null, // fn: string -> string + labelBoxBorderColor: "#ccc", // border color for the little label boxes + container: null, // container (as jQuery object) to put legend in, null means default on top of graph + position: "ne", // position of default legend container within plot + margin: 5, // distance from grid edge to default legend container within plot + backgroundColor: null, // null means auto-detect + backgroundOpacity: 0.85, // set to 0 to avoid background + sorted: null // default to no legend sorting + }, + xaxis: { + show: null, // null = auto-detect, true = always, false = never + position: "bottom", // or "top" + mode: null, // null or "time" + font: null, // null (derived from CSS in placeholder) or object like { size: 11, lineHeight: 13, style: "italic", weight: "bold", family: "sans-serif", variant: "small-caps" } + color: null, // base color, labels, ticks + tickColor: null, // possibly different color of ticks, e.g. "rgba(0,0,0,0.15)" + transform: null, // null or f: number -> number to transform axis + inverseTransform: null, // if transform is set, this should be the inverse function + min: null, // min. value to show, null means set automatically + max: null, // max. value to show, null means set automatically + autoscaleMargin: null, // margin in % to add if auto-setting min/max + ticks: null, // either [1, 3] or [[1, "a"], 3] or (fn: axis info -> ticks) or app. number of ticks for auto-ticks + tickFormatter: null, // fn: number -> string + labelWidth: null, // size of tick labels in pixels + labelHeight: null, + reserveSpace: null, // whether to reserve space even if axis isn't shown + tickLength: null, // size in pixels of ticks, or "full" for whole line + alignTicksWithAxis: null, // axis number or null for no sync + tickDecimals: null, // no. of decimals, null means auto + tickSize: null, // number or [number, "unit"] + minTickSize: null // number or [number, "unit"] + }, + yaxis: { + autoscaleMargin: 0.02, + position: "left" // or "right" + }, + xaxes: [], + yaxes: [], + series: { + points: { + show: false, + radius: 3, + lineWidth: 2, // in pixels + fill: true, + fillColor: "#ffffff", + symbol: "circle" // or callback + }, + lines: { + // we don't put in show: false so we can see + // whether lines were actively disabled + lineWidth: 2, // in pixels + fill: false, + fillColor: null, + steps: false + // Omit 'zero', so we can later default its value to + // match that of the 'fill' option. + }, + bars: { + show: false, + lineWidth: 2, // in pixels + barWidth: 1, // in units of the x axis + fill: true, + fillColor: null, + align: "left", // "left", "right", or "center" + horizontal: false, + zero: true + }, + shadowSize: 3, + highlightColor: null + }, + grid: { + show: true, + aboveData: false, + color: "#545454", // primary color used for outline and labels + backgroundColor: null, // null for transparent, else color + borderColor: null, // set if different from the grid color + tickColor: null, // color for the ticks, e.g. "rgba(0,0,0,0.15)" + margin: 0, // distance from the canvas edge to the grid + labelMargin: 5, // in pixels + axisMargin: 8, // in pixels + borderWidth: 2, // in pixels + minBorderMargin: null, // in pixels, null means taken from points radius + markings: null, // array of ranges or fn: axes -> array of ranges + markingsColor: "#f4f4f4", + markingsLineWidth: 2, + // interactive stuff + clickable: false, + hoverable: false, + autoHighlight: true, // highlight in case mouse is near + mouseActiveRadius: 10 // how far the mouse can be away to activate an item + }, + interaction: { + redrawOverlayInterval: 1000/60 // time between updates, -1 means in same flow + }, + hooks: {} + }, + surface = null, // the canvas for the plot itself + overlay = null, // canvas for interactive stuff on top of plot + eventHolder = null, // jQuery object that events should be bound to + ctx = null, octx = null, + xaxes = [], yaxes = [], + plotOffset = { left: 0, right: 0, top: 0, bottom: 0}, + plotWidth = 0, plotHeight = 0, + hooks = { + processOptions: [], + processRawData: [], + processDatapoints: [], + processOffset: [], + drawBackground: [], + drawSeries: [], + draw: [], + bindEvents: [], + drawOverlay: [], + shutdown: [] + }, + plot = this; + + // public functions + plot.setData = setData; + plot.setupGrid = setupGrid; + plot.draw = draw; + plot.getPlaceholder = function() { return placeholder; }; + plot.getCanvas = function() { return surface.element; }; + plot.getPlotOffset = function() { return plotOffset; }; + plot.width = function () { return plotWidth; }; + plot.height = function () { return plotHeight; }; + plot.offset = function () { + var o = eventHolder.offset(); + o.left += plotOffset.left; + o.top += plotOffset.top; + return o; + }; + plot.getData = function () { return series; }; + plot.getAxes = function () { + var res = {}, i; + $.each(xaxes.concat(yaxes), function (_, axis) { + if (axis) + res[axis.direction + (axis.n != 1 ? axis.n : "") + "axis"] = axis; + }); + return res; + }; + plot.getXAxes = function () { return xaxes; }; + plot.getYAxes = function () { return yaxes; }; + plot.c2p = canvasToAxisCoords; + plot.p2c = axisToCanvasCoords; + plot.getOptions = function () { return options; }; + plot.highlight = highlight; + plot.unhighlight = unhighlight; + plot.triggerRedrawOverlay = triggerRedrawOverlay; + plot.pointOffset = function(point) { + return { + left: parseInt(xaxes[axisNumber(point, "x") - 1].p2c(+point.x) + plotOffset.left, 10), + top: parseInt(yaxes[axisNumber(point, "y") - 1].p2c(+point.y) + plotOffset.top, 10) + }; + }; + plot.shutdown = shutdown; + plot.destroy = function () { + shutdown(); + placeholder.removeData("plot").empty(); + + series = []; + options = null; + surface = null; + overlay = null; + eventHolder = null; + ctx = null; + octx = null; + xaxes = []; + yaxes = []; + hooks = null; + highlights = []; + plot = null; + }; + plot.resize = function () { + var width = placeholder.width(), + height = placeholder.height(); + surface.resize(width, height); + overlay.resize(width, height); + }; + + // public attributes + plot.hooks = hooks; + + // initialize + initPlugins(plot); + parseOptions(options_); + setupCanvases(); + setData(data_); + setupGrid(); + draw(); + bindEvents(); + + + function executeHooks(hook, args) { + args = [plot].concat(args); + for (var i = 0; i < hook.length; ++i) + hook[i].apply(this, args); + } + + function initPlugins() { + + // References to key classes, allowing plugins to modify them + + var classes = { + Canvas: Canvas + }; + + for (var i = 0; i < plugins.length; ++i) { + var p = plugins[i]; + p.init(plot, classes); + if (p.options) + $.extend(true, options, p.options); + } + } + + function parseOptions(opts) { + + $.extend(true, options, opts); + + // $.extend merges arrays, rather than replacing them. When less + // colors are provided than the size of the default palette, we + // end up with those colors plus the remaining defaults, which is + // not expected behavior; avoid it by replacing them here. + + if (opts && opts.colors) { + options.colors = opts.colors; + } + + if (options.xaxis.color == null) + options.xaxis.color = $.color.parse(options.grid.color).scale('a', 0.22).toString(); + if (options.yaxis.color == null) + options.yaxis.color = $.color.parse(options.grid.color).scale('a', 0.22).toString(); + + if (options.xaxis.tickColor == null) // grid.tickColor for back-compatibility + options.xaxis.tickColor = options.grid.tickColor || options.xaxis.color; + if (options.yaxis.tickColor == null) // grid.tickColor for back-compatibility + options.yaxis.tickColor = options.grid.tickColor || options.yaxis.color; + + if (options.grid.borderColor == null) + options.grid.borderColor = options.grid.color; + if (options.grid.tickColor == null) + options.grid.tickColor = $.color.parse(options.grid.color).scale('a', 0.22).toString(); + + // Fill in defaults for axis options, including any unspecified + // font-spec fields, if a font-spec was provided. + + // If no x/y axis options were provided, create one of each anyway, + // since the rest of the code assumes that they exist. + + var i, axisOptions, axisCount, + fontSize = placeholder.css("font-size"), + fontSizeDefault = fontSize ? +fontSize.replace("px", "") : 13, + fontDefaults = { + style: placeholder.css("font-style"), + size: Math.round(0.8 * fontSizeDefault), + variant: placeholder.css("font-variant"), + weight: placeholder.css("font-weight"), + family: placeholder.css("font-family") + }; + + axisCount = options.xaxes.length || 1; + for (i = 0; i < axisCount; ++i) { + + axisOptions = options.xaxes[i]; + if (axisOptions && !axisOptions.tickColor) { + axisOptions.tickColor = axisOptions.color; + } + + axisOptions = $.extend(true, {}, options.xaxis, axisOptions); + options.xaxes[i] = axisOptions; + + if (axisOptions.font) { + axisOptions.font = $.extend({}, fontDefaults, axisOptions.font); + if (!axisOptions.font.color) { + axisOptions.font.color = axisOptions.color; + } + if (!axisOptions.font.lineHeight) { + axisOptions.font.lineHeight = Math.round(axisOptions.font.size * 1.15); + } + } + } + + axisCount = options.yaxes.length || 1; + for (i = 0; i < axisCount; ++i) { + + axisOptions = options.yaxes[i]; + if (axisOptions && !axisOptions.tickColor) { + axisOptions.tickColor = axisOptions.color; + } + + axisOptions = $.extend(true, {}, options.yaxis, axisOptions); + options.yaxes[i] = axisOptions; + + if (axisOptions.font) { + axisOptions.font = $.extend({}, fontDefaults, axisOptions.font); + if (!axisOptions.font.color) { + axisOptions.font.color = axisOptions.color; + } + if (!axisOptions.font.lineHeight) { + axisOptions.font.lineHeight = Math.round(axisOptions.font.size * 1.15); + } + } + } + + // backwards compatibility, to be removed in future + if (options.xaxis.noTicks && options.xaxis.ticks == null) + options.xaxis.ticks = options.xaxis.noTicks; + if (options.yaxis.noTicks && options.yaxis.ticks == null) + options.yaxis.ticks = options.yaxis.noTicks; + if (options.x2axis) { + options.xaxes[1] = $.extend(true, {}, options.xaxis, options.x2axis); + options.xaxes[1].position = "top"; + } + if (options.y2axis) { + options.yaxes[1] = $.extend(true, {}, options.yaxis, options.y2axis); + options.yaxes[1].position = "right"; + } + if (options.grid.coloredAreas) + options.grid.markings = options.grid.coloredAreas; + if (options.grid.coloredAreasColor) + options.grid.markingsColor = options.grid.coloredAreasColor; + if (options.lines) + $.extend(true, options.series.lines, options.lines); + if (options.points) + $.extend(true, options.series.points, options.points); + if (options.bars) + $.extend(true, options.series.bars, options.bars); + if (options.shadowSize != null) + options.series.shadowSize = options.shadowSize; + if (options.highlightColor != null) + options.series.highlightColor = options.highlightColor; + + // save options on axes for future reference + for (i = 0; i < options.xaxes.length; ++i) + getOrCreateAxis(xaxes, i + 1).options = options.xaxes[i]; + for (i = 0; i < options.yaxes.length; ++i) + getOrCreateAxis(yaxes, i + 1).options = options.yaxes[i]; + + // add hooks from options + for (var n in hooks) + if (options.hooks[n] && options.hooks[n].length) + hooks[n] = hooks[n].concat(options.hooks[n]); + + executeHooks(hooks.processOptions, [options]); + } + + function setData(d) { + series = parseData(d); + fillInSeriesOptions(); + processData(); + } + + function parseData(d) { + var res = []; + for (var i = 0; i < d.length; ++i) { + var s = $.extend(true, {}, options.series); + + if (d[i].data != null) { + s.data = d[i].data; // move the data instead of deep-copy + delete d[i].data; + + $.extend(true, s, d[i]); + + d[i].data = s.data; + } + else + s.data = d[i]; + res.push(s); + } + + return res; + } + + function axisNumber(obj, coord) { + var a = obj[coord + "axis"]; + if (typeof a == "object") // if we got a real axis, extract number + a = a.n; + if (typeof a != "number") + a = 1; // default to first axis + return a; + } + + function allAxes() { + // return flat array without annoying null entries + return $.grep(xaxes.concat(yaxes), function (a) { return a; }); + } + + function canvasToAxisCoords(pos) { + // return an object with x/y corresponding to all used axes + var res = {}, i, axis; + for (i = 0; i < xaxes.length; ++i) { + axis = xaxes[i]; + if (axis && axis.used) + res["x" + axis.n] = axis.c2p(pos.left); + } + + for (i = 0; i < yaxes.length; ++i) { + axis = yaxes[i]; + if (axis && axis.used) + res["y" + axis.n] = axis.c2p(pos.top); + } + + if (res.x1 !== undefined) + res.x = res.x1; + if (res.y1 !== undefined) + res.y = res.y1; + + return res; + } + + function axisToCanvasCoords(pos) { + // get canvas coords from the first pair of x/y found in pos + var res = {}, i, axis, key; + + for (i = 0; i < xaxes.length; ++i) { + axis = xaxes[i]; + if (axis && axis.used) { + key = "x" + axis.n; + if (pos[key] == null && axis.n == 1) + key = "x"; + + if (pos[key] != null) { + res.left = axis.p2c(pos[key]); + break; + } + } + } + + for (i = 0; i < yaxes.length; ++i) { + axis = yaxes[i]; + if (axis && axis.used) { + key = "y" + axis.n; + if (pos[key] == null && axis.n == 1) + key = "y"; + + if (pos[key] != null) { + res.top = axis.p2c(pos[key]); + break; + } + } + } + + return res; + } + + function getOrCreateAxis(axes, number) { + if (!axes[number - 1]) + axes[number - 1] = { + n: number, // save the number for future reference + direction: axes == xaxes ? "x" : "y", + options: $.extend(true, {}, axes == xaxes ? options.xaxis : options.yaxis) + }; + + return axes[number - 1]; + } + + function fillInSeriesOptions() { + + var neededColors = series.length, maxIndex = -1, i; + + // Subtract the number of series that already have fixed colors or + // color indexes from the number that we still need to generate. + + for (i = 0; i < series.length; ++i) { + var sc = series[i].color; + if (sc != null) { + neededColors--; + if (typeof sc == "number" && sc > maxIndex) { + maxIndex = sc; + } + } + } + + // If any of the series have fixed color indexes, then we need to + // generate at least as many colors as the highest index. + + if (neededColors <= maxIndex) { + neededColors = maxIndex + 1; + } + + // Generate all the colors, using first the option colors and then + // variations on those colors once they're exhausted. + + var c, colors = [], colorPool = options.colors, + colorPoolSize = colorPool.length, variation = 0; + + for (i = 0; i < neededColors; i++) { + + c = $.color.parse(colorPool[i % colorPoolSize] || "#666"); + + // Each time we exhaust the colors in the pool we adjust + // a scaling factor used to produce more variations on + // those colors. The factor alternates negative/positive + // to produce lighter/darker colors. + + // Reset the variation after every few cycles, or else + // it will end up producing only white or black colors. + + if (i % colorPoolSize == 0 && i) { + if (variation >= 0) { + if (variation < 0.5) { + variation = -variation - 0.2; + } else variation = 0; + } else variation = -variation; + } + + colors[i] = c.scale('rgb', 1 + variation); + } + + // Finalize the series options, filling in their colors + + var colori = 0, s; + for (i = 0; i < series.length; ++i) { + s = series[i]; + + // assign colors + if (s.color == null) { + s.color = colors[colori].toString(); + ++colori; + } + else if (typeof s.color == "number") + s.color = colors[s.color].toString(); + + // turn on lines automatically in case nothing is set + if (s.lines.show == null) { + var v, show = true; + for (v in s) + if (s[v] && s[v].show) { + show = false; + break; + } + if (show) + s.lines.show = true; + } + + // If nothing was provided for lines.zero, default it to match + // lines.fill, since areas by default should extend to zero. + + if (s.lines.zero == null) { + s.lines.zero = !!s.lines.fill; + } + + // setup axes + s.xaxis = getOrCreateAxis(xaxes, axisNumber(s, "x")); + s.yaxis = getOrCreateAxis(yaxes, axisNumber(s, "y")); + } + } + + function processData() { + var topSentry = Number.POSITIVE_INFINITY, + bottomSentry = Number.NEGATIVE_INFINITY, + fakeInfinity = Number.MAX_VALUE, + i, j, k, m, length, + s, points, ps, x, y, axis, val, f, p, + data, format; + + function updateAxis(axis, min, max) { + if (min < axis.datamin && min != -fakeInfinity) + axis.datamin = min; + if (max > axis.datamax && max != fakeInfinity) + axis.datamax = max; + } + + $.each(allAxes(), function (_, axis) { + // init axis + axis.datamin = topSentry; + axis.datamax = bottomSentry; + axis.used = false; + }); + + for (i = 0; i < series.length; ++i) { + s = series[i]; + s.datapoints = { points: [] }; + + executeHooks(hooks.processRawData, [ s, s.data, s.datapoints ]); + } + + // first pass: clean and copy data + for (i = 0; i < series.length; ++i) { + s = series[i]; + + data = s.data; + format = s.datapoints.format; + + if (!format) { + format = []; + // find out how to copy + format.push({ x: true, number: true, required: true }); + format.push({ y: true, number: true, required: true }); + + if (s.bars.show || (s.lines.show && s.lines.fill)) { + var autoscale = !!((s.bars.show && s.bars.zero) || (s.lines.show && s.lines.zero)); + format.push({ y: true, number: true, required: false, defaultValue: 0, autoscale: autoscale }); + if (s.bars.horizontal) { + delete format[format.length - 1].y; + format[format.length - 1].x = true; + } + } + + s.datapoints.format = format; + } + + if (s.datapoints.pointsize != null) + continue; // already filled in + + s.datapoints.pointsize = format.length; + + ps = s.datapoints.pointsize; + points = s.datapoints.points; + + var insertSteps = s.lines.show && s.lines.steps; + s.xaxis.used = s.yaxis.used = true; + + for (j = k = 0; j < data.length; ++j, k += ps) { + p = data[j]; + + var nullify = p == null; + if (!nullify) { + for (m = 0; m < ps; ++m) { + val = p[m]; + f = format[m]; + + if (f) { + if (f.number && val != null) { + val = +val; // convert to number + if (isNaN(val)) + val = null; + else if (val == Infinity) + val = fakeInfinity; + else if (val == -Infinity) + val = -fakeInfinity; + } + + if (val == null) { + if (f.required) + nullify = true; + + if (f.defaultValue != null) + val = f.defaultValue; + } + } + + points[k + m] = val; + } + } + + if (nullify) { + for (m = 0; m < ps; ++m) { + val = points[k + m]; + if (val != null) { + f = format[m]; + // extract min/max info + if (f.autoscale !== false) { + if (f.x) { + updateAxis(s.xaxis, val, val); + } + if (f.y) { + updateAxis(s.yaxis, val, val); + } + } + } + points[k + m] = null; + } + } + else { + // a little bit of line specific stuff that + // perhaps shouldn't be here, but lacking + // better means... + if (insertSteps && k > 0 + && points[k - ps] != null + && points[k - ps] != points[k] + && points[k - ps + 1] != points[k + 1]) { + // copy the point to make room for a middle point + for (m = 0; m < ps; ++m) + points[k + ps + m] = points[k + m]; + + // middle point has same y + points[k + 1] = points[k - ps + 1]; + + // we've added a point, better reflect that + k += ps; + } + } + } + } + + // give the hooks a chance to run + for (i = 0; i < series.length; ++i) { + s = series[i]; + + executeHooks(hooks.processDatapoints, [ s, s.datapoints]); + } + + // second pass: find datamax/datamin for auto-scaling + for (i = 0; i < series.length; ++i) { + s = series[i]; + points = s.datapoints.points; + ps = s.datapoints.pointsize; + format = s.datapoints.format; + + var xmin = topSentry, ymin = topSentry, + xmax = bottomSentry, ymax = bottomSentry; + + for (j = 0; j < points.length; j += ps) { + if (points[j] == null) + continue; + + for (m = 0; m < ps; ++m) { + val = points[j + m]; + f = format[m]; + if (!f || f.autoscale === false || val == fakeInfinity || val == -fakeInfinity) + continue; + + if (f.x) { + if (val < xmin) + xmin = val; + if (val > xmax) + xmax = val; + } + if (f.y) { + if (val < ymin) + ymin = val; + if (val > ymax) + ymax = val; + } + } + } + + if (s.bars.show) { + // make sure we got room for the bar on the dancing floor + var delta; + + switch (s.bars.align) { + case "left": + delta = 0; + break; + case "right": + delta = -s.bars.barWidth; + break; + default: + delta = -s.bars.barWidth / 2; + } + + if (s.bars.horizontal) { + ymin += delta; + ymax += delta + s.bars.barWidth; + } + else { + xmin += delta; + xmax += delta + s.bars.barWidth; + } + } + + updateAxis(s.xaxis, xmin, xmax); + updateAxis(s.yaxis, ymin, ymax); + } + + $.each(allAxes(), function (_, axis) { + if (axis.datamin == topSentry) + axis.datamin = null; + if (axis.datamax == bottomSentry) + axis.datamax = null; + }); + } + + function setupCanvases() { + + // Make sure the placeholder is clear of everything except canvases + // from a previous plot in this container that we'll try to re-use. + + placeholder.css("padding", 0) // padding messes up the positioning + .children().filter(function(){ + return !$(this).hasClass("flot-overlay") && !$(this).hasClass('flot-base'); + }).remove(); + + if (placeholder.css("position") == 'static') + placeholder.css("position", "relative"); // for positioning labels and overlay + + surface = new Canvas("flot-base", placeholder); + overlay = new Canvas("flot-overlay", placeholder); // overlay canvas for interactive features + + ctx = surface.context; + octx = overlay.context; + + // define which element we're listening for events on + eventHolder = $(overlay.element).unbind(); + + // If we're re-using a plot object, shut down the old one + + var existing = placeholder.data("plot"); + + if (existing) { + existing.shutdown(); + overlay.clear(); + } + + // save in case we get replotted + placeholder.data("plot", plot); + } + + function bindEvents() { + // bind events + if (options.grid.hoverable) { + eventHolder.mousemove(onMouseMove); + + // Use bind, rather than .mouseleave, because we officially + // still support jQuery 1.2.6, which doesn't define a shortcut + // for mouseenter or mouseleave. This was a bug/oversight that + // was fixed somewhere around 1.3.x. We can return to using + // .mouseleave when we drop support for 1.2.6. + + eventHolder.bind("mouseleave", onMouseLeave); + } + + if (options.grid.clickable) + eventHolder.click(onClick); + + executeHooks(hooks.bindEvents, [eventHolder]); + } + + function shutdown() { + if (redrawTimeout) + clearTimeout(redrawTimeout); + + eventHolder.unbind("mousemove", onMouseMove); + eventHolder.unbind("mouseleave", onMouseLeave); + eventHolder.unbind("click", onClick); + + executeHooks(hooks.shutdown, [eventHolder]); + } + + function setTransformationHelpers(axis) { + // set helper functions on the axis, assumes plot area + // has been computed already + + function identity(x) { return x; } + + var s, m, t = axis.options.transform || identity, + it = axis.options.inverseTransform; + + // precompute how much the axis is scaling a point + // in canvas space + if (axis.direction == "x") { + s = axis.scale = plotWidth / Math.abs(t(axis.max) - t(axis.min)); + m = Math.min(t(axis.max), t(axis.min)); + } + else { + s = axis.scale = plotHeight / Math.abs(t(axis.max) - t(axis.min)); + s = -s; + m = Math.max(t(axis.max), t(axis.min)); + } + + // data point to canvas coordinate + if (t == identity) // slight optimization + axis.p2c = function (p) { return (p - m) * s; }; + else + axis.p2c = function (p) { return (t(p) - m) * s; }; + // canvas coordinate to data point + if (!it) + axis.c2p = function (c) { return m + c / s; }; + else + axis.c2p = function (c) { return it(m + c / s); }; + } + + function measureTickLabels(axis) { + + var opts = axis.options, + ticks = axis.ticks || [], + labelWidth = opts.labelWidth || 0, + labelHeight = opts.labelHeight || 0, + maxWidth = labelWidth || (axis.direction == "x" ? Math.floor(surface.width / (ticks.length || 1)) : null), + legacyStyles = axis.direction + "Axis " + axis.direction + axis.n + "Axis", + layer = "flot-" + axis.direction + "-axis flot-" + axis.direction + axis.n + "-axis " + legacyStyles, + font = opts.font || "flot-tick-label tickLabel"; + + for (var i = 0; i < ticks.length; ++i) { + + var t = ticks[i]; + + if (!t.label) + continue; + + var info = surface.getTextInfo(layer, t.label, font, null, maxWidth); + + labelWidth = Math.max(labelWidth, info.width); + labelHeight = Math.max(labelHeight, info.height); + } + + axis.labelWidth = opts.labelWidth || labelWidth; + axis.labelHeight = opts.labelHeight || labelHeight; + } + + function allocateAxisBoxFirstPhase(axis) { + // find the bounding box of the axis by looking at label + // widths/heights and ticks, make room by diminishing the + // plotOffset; this first phase only looks at one + // dimension per axis, the other dimension depends on the + // other axes so will have to wait + + var lw = axis.labelWidth, + lh = axis.labelHeight, + pos = axis.options.position, + isXAxis = axis.direction === "x", + tickLength = axis.options.tickLength, + axisMargin = options.grid.axisMargin, + padding = options.grid.labelMargin, + innermost = true, + outermost = true, + first = true, + found = false; + + // Determine the axis's position in its direction and on its side + + $.each(isXAxis ? xaxes : yaxes, function(i, a) { + if (a && a.reserveSpace) { + if (a === axis) { + found = true; + } else if (a.options.position === pos) { + if (found) { + outermost = false; + } else { + innermost = false; + } + } + if (!found) { + first = false; + } + } + }); + + // The outermost axis on each side has no margin + + if (outermost) { + axisMargin = 0; + } + + // The ticks for the first axis in each direction stretch across + + if (tickLength == null) { + tickLength = first ? "full" : 5; + } + + if (!isNaN(+tickLength)) + padding += +tickLength; + + if (isXAxis) { + lh += padding; + + if (pos == "bottom") { + plotOffset.bottom += lh + axisMargin; + axis.box = { top: surface.height - plotOffset.bottom, height: lh }; + } + else { + axis.box = { top: plotOffset.top + axisMargin, height: lh }; + plotOffset.top += lh + axisMargin; + } + } + else { + lw += padding; + + if (pos == "left") { + axis.box = { left: plotOffset.left + axisMargin, width: lw }; + plotOffset.left += lw + axisMargin; + } + else { + plotOffset.right += lw + axisMargin; + axis.box = { left: surface.width - plotOffset.right, width: lw }; + } + } + + // save for future reference + axis.position = pos; + axis.tickLength = tickLength; + axis.box.padding = padding; + axis.innermost = innermost; + } + + function allocateAxisBoxSecondPhase(axis) { + // now that all axis boxes have been placed in one + // dimension, we can set the remaining dimension coordinates + if (axis.direction == "x") { + axis.box.left = plotOffset.left - axis.labelWidth / 2; + axis.box.width = surface.width - plotOffset.left - plotOffset.right + axis.labelWidth; + } + else { + axis.box.top = plotOffset.top - axis.labelHeight / 2; + axis.box.height = surface.height - plotOffset.bottom - plotOffset.top + axis.labelHeight; + } + } + + function adjustLayoutForThingsStickingOut() { + // possibly adjust plot offset to ensure everything stays + // inside the canvas and isn't clipped off + + var minMargin = options.grid.minBorderMargin, + axis, i; + + // check stuff from the plot (FIXME: this should just read + // a value from the series, otherwise it's impossible to + // customize) + if (minMargin == null) { + minMargin = 0; + for (i = 0; i < series.length; ++i) + minMargin = Math.max(minMargin, 2 * (series[i].points.radius + series[i].points.lineWidth/2)); + } + + var margins = { + left: minMargin, + right: minMargin, + top: minMargin, + bottom: minMargin + }; + + // check axis labels, note we don't check the actual + // labels but instead use the overall width/height to not + // jump as much around with replots + $.each(allAxes(), function (_, axis) { + if (axis.reserveSpace && axis.ticks && axis.ticks.length) { + var lastTick = axis.ticks[axis.ticks.length - 1]; + if (axis.direction === "x") { + margins.left = Math.max(margins.left, axis.labelWidth / 2); + if (lastTick.v <= axis.max) { + margins.right = Math.max(margins.right, axis.labelWidth / 2); + } + } else { + margins.bottom = Math.max(margins.bottom, axis.labelHeight / 2); + if (lastTick.v <= axis.max) { + margins.top = Math.max(margins.top, axis.labelHeight / 2); + } + } + } + }); + + plotOffset.left = Math.ceil(Math.max(margins.left, plotOffset.left)); + plotOffset.right = Math.ceil(Math.max(margins.right, plotOffset.right)); + plotOffset.top = Math.ceil(Math.max(margins.top, plotOffset.top)); + plotOffset.bottom = Math.ceil(Math.max(margins.bottom, plotOffset.bottom)); + } + + function setupGrid() { + var i, axes = allAxes(), showGrid = options.grid.show; + + // Initialize the plot's offset from the edge of the canvas + + for (var a in plotOffset) { + var margin = options.grid.margin || 0; + plotOffset[a] = typeof margin == "number" ? margin : margin[a] || 0; + } + + executeHooks(hooks.processOffset, [plotOffset]); + + // If the grid is visible, add its border width to the offset + + for (var a in plotOffset) { + if(typeof(options.grid.borderWidth) == "object") { + plotOffset[a] += showGrid ? options.grid.borderWidth[a] : 0; + } + else { + plotOffset[a] += showGrid ? options.grid.borderWidth : 0; + } + } + + // init axes + $.each(axes, function (_, axis) { + axis.show = axis.options.show; + if (axis.show == null) + axis.show = axis.used; // by default an axis is visible if it's got data + + axis.reserveSpace = axis.show || axis.options.reserveSpace; + + setRange(axis); + }); + + if (showGrid) { + + var allocatedAxes = $.grep(axes, function (axis) { return axis.reserveSpace; }); + + $.each(allocatedAxes, function (_, axis) { + // make the ticks + setupTickGeneration(axis); + setTicks(axis); + snapRangeToTicks(axis, axis.ticks); + // find labelWidth/Height for axis + measureTickLabels(axis); + }); + + // with all dimensions calculated, we can compute the + // axis bounding boxes, start from the outside + // (reverse order) + for (i = allocatedAxes.length - 1; i >= 0; --i) + allocateAxisBoxFirstPhase(allocatedAxes[i]); + + // make sure we've got enough space for things that + // might stick out + adjustLayoutForThingsStickingOut(); + + $.each(allocatedAxes, function (_, axis) { + allocateAxisBoxSecondPhase(axis); + }); + } + + plotWidth = surface.width - plotOffset.left - plotOffset.right; + plotHeight = surface.height - plotOffset.bottom - plotOffset.top; + + // now we got the proper plot dimensions, we can compute the scaling + $.each(axes, function (_, axis) { + setTransformationHelpers(axis); + }); + + if (showGrid) { + drawAxisLabels(); + } + + insertLegend(); + } + + function setRange(axis) { + var opts = axis.options, + min = +(opts.min != null ? opts.min : axis.datamin), + max = +(opts.max != null ? opts.max : axis.datamax), + delta = max - min; + + if (delta == 0.0) { + // degenerate case + var widen = max == 0 ? 1 : 0.01; + + if (opts.min == null) + min -= widen; + // always widen max if we couldn't widen min to ensure we + // don't fall into min == max which doesn't work + if (opts.max == null || opts.min != null) + max += widen; + } + else { + // consider autoscaling + var margin = opts.autoscaleMargin; + if (margin != null) { + if (opts.min == null) { + min -= delta * margin; + // make sure we don't go below zero if all values + // are positive + if (min < 0 && axis.datamin != null && axis.datamin >= 0) + min = 0; + } + if (opts.max == null) { + max += delta * margin; + if (max > 0 && axis.datamax != null && axis.datamax <= 0) + max = 0; + } + } + } + axis.min = min; + axis.max = max; + } + + function setupTickGeneration(axis) { + var opts = axis.options; + + // estimate number of ticks + var noTicks; + if (typeof opts.ticks == "number" && opts.ticks > 0) + noTicks = opts.ticks; + else + // heuristic based on the model a*sqrt(x) fitted to + // some data points that seemed reasonable + noTicks = 0.3 * Math.sqrt(axis.direction == "x" ? surface.width : surface.height); + + var delta = (axis.max - axis.min) / noTicks, + dec = -Math.floor(Math.log(delta) / Math.LN10), + maxDec = opts.tickDecimals; + + if (maxDec != null && dec > maxDec) { + dec = maxDec; + } + + var magn = Math.pow(10, -dec), + norm = delta / magn, // norm is between 1.0 and 10.0 + size; + + if (norm < 1.5) { + size = 1; + } else if (norm < 3) { + size = 2; + // special case for 2.5, requires an extra decimal + if (norm > 2.25 && (maxDec == null || dec + 1 <= maxDec)) { + size = 2.5; + ++dec; + } + } else if (norm < 7.5) { + size = 5; + } else { + size = 10; + } + + size *= magn; + + if (opts.minTickSize != null && size < opts.minTickSize) { + size = opts.minTickSize; + } + + axis.delta = delta; + axis.tickDecimals = Math.max(0, maxDec != null ? maxDec : dec); + axis.tickSize = opts.tickSize || size; + + // Time mode was moved to a plug-in in 0.8, but since so many people use this + // we'll add an especially friendly make sure they remembered to include it. + + if (opts.mode == "time" && !axis.tickGenerator) { + throw new Error("Time mode requires the flot.time plugin."); + } + + // Flot supports base-10 axes; any other mode else is handled by a plug-in, + // like flot.time.js. + + if (!axis.tickGenerator) { + + axis.tickGenerator = function (axis) { + + var ticks = [], + start = floorInBase(axis.min, axis.tickSize), + i = 0, + v = Number.NaN, + prev; + + do { + prev = v; + v = start + i * axis.tickSize; + ticks.push(v); + ++i; + } while (v < axis.max && v != prev); + return ticks; + }; + + axis.tickFormatter = function (value, axis) { + + var factor = axis.tickDecimals ? Math.pow(10, axis.tickDecimals) : 1; + var formatted = "" + Math.round(value * factor) / factor; + + // If tickDecimals was specified, ensure that we have exactly that + // much precision; otherwise default to the value's own precision. + + if (axis.tickDecimals != null) { + var decimal = formatted.indexOf("."); + var precision = decimal == -1 ? 0 : formatted.length - decimal - 1; + if (precision < axis.tickDecimals) { + return (precision ? formatted : formatted + ".") + ("" + factor).substr(1, axis.tickDecimals - precision); + } + } + + return formatted; + }; + } + + if ($.isFunction(opts.tickFormatter)) + axis.tickFormatter = function (v, axis) { return "" + opts.tickFormatter(v, axis); }; + + if (opts.alignTicksWithAxis != null) { + var otherAxis = (axis.direction == "x" ? xaxes : yaxes)[opts.alignTicksWithAxis - 1]; + if (otherAxis && otherAxis.used && otherAxis != axis) { + // consider snapping min/max to outermost nice ticks + var niceTicks = axis.tickGenerator(axis); + if (niceTicks.length > 0) { + if (opts.min == null) + axis.min = Math.min(axis.min, niceTicks[0]); + if (opts.max == null && niceTicks.length > 1) + axis.max = Math.max(axis.max, niceTicks[niceTicks.length - 1]); + } + + axis.tickGenerator = function (axis) { + // copy ticks, scaled to this axis + var ticks = [], v, i; + for (i = 0; i < otherAxis.ticks.length; ++i) { + v = (otherAxis.ticks[i].v - otherAxis.min) / (otherAxis.max - otherAxis.min); + v = axis.min + v * (axis.max - axis.min); + ticks.push(v); + } + return ticks; + }; + + // we might need an extra decimal since forced + // ticks don't necessarily fit naturally + if (!axis.mode && opts.tickDecimals == null) { + var extraDec = Math.max(0, -Math.floor(Math.log(axis.delta) / Math.LN10) + 1), + ts = axis.tickGenerator(axis); + + // only proceed if the tick interval rounded + // with an extra decimal doesn't give us a + // zero at end + if (!(ts.length > 1 && /\..*0$/.test((ts[1] - ts[0]).toFixed(extraDec)))) + axis.tickDecimals = extraDec; + } + } + } + } + + function setTicks(axis) { + var oticks = axis.options.ticks, ticks = []; + if (oticks == null || (typeof oticks == "number" && oticks > 0)) + ticks = axis.tickGenerator(axis); + else if (oticks) { + if ($.isFunction(oticks)) + // generate the ticks + ticks = oticks(axis); + else + ticks = oticks; + } + + // clean up/labelify the supplied ticks, copy them over + var i, v; + axis.ticks = []; + for (i = 0; i < ticks.length; ++i) { + var label = null; + var t = ticks[i]; + if (typeof t == "object") { + v = +t[0]; + if (t.length > 1) + label = t[1]; + } + else + v = +t; + if (label == null) + label = axis.tickFormatter(v, axis); + if (!isNaN(v)) + axis.ticks.push({ v: v, label: label }); + } + } + + function snapRangeToTicks(axis, ticks) { + if (axis.options.autoscaleMargin && ticks.length > 0) { + // snap to ticks + if (axis.options.min == null) + axis.min = Math.min(axis.min, ticks[0].v); + if (axis.options.max == null && ticks.length > 1) + axis.max = Math.max(axis.max, ticks[ticks.length - 1].v); + } + } + + function draw() { + + surface.clear(); + + executeHooks(hooks.drawBackground, [ctx]); + + var grid = options.grid; + + // draw background, if any + if (grid.show && grid.backgroundColor) + drawBackground(); + + if (grid.show && !grid.aboveData) { + drawGrid(); + } + + for (var i = 0; i < series.length; ++i) { + executeHooks(hooks.drawSeries, [ctx, series[i]]); + drawSeries(series[i]); + } + + executeHooks(hooks.draw, [ctx]); + + if (grid.show && grid.aboveData) { + drawGrid(); + } + + surface.render(); + + // A draw implies that either the axes or data have changed, so we + // should probably update the overlay highlights as well. + + triggerRedrawOverlay(); + } + + function extractRange(ranges, coord) { + var axis, from, to, key, axes = allAxes(); + + for (var i = 0; i < axes.length; ++i) { + axis = axes[i]; + if (axis.direction == coord) { + key = coord + axis.n + "axis"; + if (!ranges[key] && axis.n == 1) + key = coord + "axis"; // support x1axis as xaxis + if (ranges[key]) { + from = ranges[key].from; + to = ranges[key].to; + break; + } + } + } + + // backwards-compat stuff - to be removed in future + if (!ranges[key]) { + axis = coord == "x" ? xaxes[0] : yaxes[0]; + from = ranges[coord + "1"]; + to = ranges[coord + "2"]; + } + + // auto-reverse as an added bonus + if (from != null && to != null && from > to) { + var tmp = from; + from = to; + to = tmp; + } + + return { from: from, to: to, axis: axis }; + } + + function drawBackground() { + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + + ctx.fillStyle = getColorOrGradient(options.grid.backgroundColor, plotHeight, 0, "rgba(255, 255, 255, 0)"); + ctx.fillRect(0, 0, plotWidth, plotHeight); + ctx.restore(); + } + + function drawGrid() { + var i, axes, bw, bc; + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + + // draw markings + var markings = options.grid.markings; + if (markings) { + if ($.isFunction(markings)) { + axes = plot.getAxes(); + // xmin etc. is backwards compatibility, to be + // removed in the future + axes.xmin = axes.xaxis.min; + axes.xmax = axes.xaxis.max; + axes.ymin = axes.yaxis.min; + axes.ymax = axes.yaxis.max; + + markings = markings(axes); + } + + for (i = 0; i < markings.length; ++i) { + var m = markings[i], + xrange = extractRange(m, "x"), + yrange = extractRange(m, "y"); + + // fill in missing + if (xrange.from == null) + xrange.from = xrange.axis.min; + if (xrange.to == null) + xrange.to = xrange.axis.max; + if (yrange.from == null) + yrange.from = yrange.axis.min; + if (yrange.to == null) + yrange.to = yrange.axis.max; + + // clip + if (xrange.to < xrange.axis.min || xrange.from > xrange.axis.max || + yrange.to < yrange.axis.min || yrange.from > yrange.axis.max) + continue; + + xrange.from = Math.max(xrange.from, xrange.axis.min); + xrange.to = Math.min(xrange.to, xrange.axis.max); + yrange.from = Math.max(yrange.from, yrange.axis.min); + yrange.to = Math.min(yrange.to, yrange.axis.max); + + if (xrange.from == xrange.to && yrange.from == yrange.to) + continue; + + // then draw + xrange.from = xrange.axis.p2c(xrange.from); + xrange.to = xrange.axis.p2c(xrange.to); + yrange.from = yrange.axis.p2c(yrange.from); + yrange.to = yrange.axis.p2c(yrange.to); + + if (xrange.from == xrange.to || yrange.from == yrange.to) { + // draw line + ctx.beginPath(); + ctx.strokeStyle = m.color || options.grid.markingsColor; + ctx.lineWidth = m.lineWidth || options.grid.markingsLineWidth; + ctx.moveTo(xrange.from, yrange.from); + ctx.lineTo(xrange.to, yrange.to); + ctx.stroke(); + } + else { + // fill area + ctx.fillStyle = m.color || options.grid.markingsColor; + ctx.fillRect(xrange.from, yrange.to, + xrange.to - xrange.from, + yrange.from - yrange.to); + } + } + } + + // draw the ticks + axes = allAxes(); + bw = options.grid.borderWidth; + + for (var j = 0; j < axes.length; ++j) { + var axis = axes[j], box = axis.box, + t = axis.tickLength, x, y, xoff, yoff; + if (!axis.show || axis.ticks.length == 0) + continue; + + ctx.lineWidth = 1; + + // find the edges + if (axis.direction == "x") { + x = 0; + if (t == "full") + y = (axis.position == "top" ? 0 : plotHeight); + else + y = box.top - plotOffset.top + (axis.position == "top" ? box.height : 0); + } + else { + y = 0; + if (t == "full") + x = (axis.position == "left" ? 0 : plotWidth); + else + x = box.left - plotOffset.left + (axis.position == "left" ? box.width : 0); + } + + // draw tick bar + if (!axis.innermost) { + ctx.strokeStyle = axis.options.color; + ctx.beginPath(); + xoff = yoff = 0; + if (axis.direction == "x") + xoff = plotWidth + 1; + else + yoff = plotHeight + 1; + + if (ctx.lineWidth == 1) { + if (axis.direction == "x") { + y = Math.floor(y) + 0.5; + } else { + x = Math.floor(x) + 0.5; + } + } + + ctx.moveTo(x, y); + ctx.lineTo(x + xoff, y + yoff); + ctx.stroke(); + } + + // draw ticks + + ctx.strokeStyle = axis.options.tickColor; + + ctx.beginPath(); + for (i = 0; i < axis.ticks.length; ++i) { + var v = axis.ticks[i].v; + + xoff = yoff = 0; + + if (isNaN(v) || v < axis.min || v > axis.max + // skip those lying on the axes if we got a border + || (t == "full" + && ((typeof bw == "object" && bw[axis.position] > 0) || bw > 0) + && (v == axis.min || v == axis.max))) + continue; + + if (axis.direction == "x") { + x = axis.p2c(v); + yoff = t == "full" ? -plotHeight : t; + + if (axis.position == "top") + yoff = -yoff; + } + else { + y = axis.p2c(v); + xoff = t == "full" ? -plotWidth : t; + + if (axis.position == "left") + xoff = -xoff; + } + + if (ctx.lineWidth == 1) { + if (axis.direction == "x") + x = Math.floor(x) + 0.5; + else + y = Math.floor(y) + 0.5; + } + + ctx.moveTo(x, y); + ctx.lineTo(x + xoff, y + yoff); + } + + ctx.stroke(); + } + + + // draw border + if (bw) { + // If either borderWidth or borderColor is an object, then draw the border + // line by line instead of as one rectangle + bc = options.grid.borderColor; + if(typeof bw == "object" || typeof bc == "object") { + if (typeof bw !== "object") { + bw = {top: bw, right: bw, bottom: bw, left: bw}; + } + if (typeof bc !== "object") { + bc = {top: bc, right: bc, bottom: bc, left: bc}; + } + + if (bw.top > 0) { + ctx.strokeStyle = bc.top; + ctx.lineWidth = bw.top; + ctx.beginPath(); + ctx.moveTo(0 - bw.left, 0 - bw.top/2); + ctx.lineTo(plotWidth, 0 - bw.top/2); + ctx.stroke(); + } + + if (bw.right > 0) { + ctx.strokeStyle = bc.right; + ctx.lineWidth = bw.right; + ctx.beginPath(); + ctx.moveTo(plotWidth + bw.right / 2, 0 - bw.top); + ctx.lineTo(plotWidth + bw.right / 2, plotHeight); + ctx.stroke(); + } + + if (bw.bottom > 0) { + ctx.strokeStyle = bc.bottom; + ctx.lineWidth = bw.bottom; + ctx.beginPath(); + ctx.moveTo(plotWidth + bw.right, plotHeight + bw.bottom / 2); + ctx.lineTo(0, plotHeight + bw.bottom / 2); + ctx.stroke(); + } + + if (bw.left > 0) { + ctx.strokeStyle = bc.left; + ctx.lineWidth = bw.left; + ctx.beginPath(); + ctx.moveTo(0 - bw.left/2, plotHeight + bw.bottom); + ctx.lineTo(0- bw.left/2, 0); + ctx.stroke(); + } + } + else { + ctx.lineWidth = bw; + ctx.strokeStyle = options.grid.borderColor; + ctx.strokeRect(-bw/2, -bw/2, plotWidth + bw, plotHeight + bw); + } + } + + ctx.restore(); + } + + function drawAxisLabels() { + + $.each(allAxes(), function (_, axis) { + var box = axis.box, + legacyStyles = axis.direction + "Axis " + axis.direction + axis.n + "Axis", + layer = "flot-" + axis.direction + "-axis flot-" + axis.direction + axis.n + "-axis " + legacyStyles, + font = axis.options.font || "flot-tick-label tickLabel", + tick, x, y, halign, valign; + + // Remove text before checking for axis.show and ticks.length; + // otherwise plugins, like flot-tickrotor, that draw their own + // tick labels will end up with both theirs and the defaults. + + surface.removeText(layer); + + if (!axis.show || axis.ticks.length == 0) + return; + + for (var i = 0; i < axis.ticks.length; ++i) { + + tick = axis.ticks[i]; + if (!tick.label || tick.v < axis.min || tick.v > axis.max) + continue; + + if (axis.direction == "x") { + halign = "center"; + x = plotOffset.left + axis.p2c(tick.v); + if (axis.position == "bottom") { + y = box.top + box.padding; + } else { + y = box.top + box.height - box.padding; + valign = "bottom"; + } + } else { + valign = "middle"; + y = plotOffset.top + axis.p2c(tick.v); + if (axis.position == "left") { + x = box.left + box.width - box.padding; + halign = "right"; + } else { + x = box.left + box.padding; + } + } + + surface.addText(layer, x, y, tick.label, font, null, null, halign, valign); + } + }); + } + + function drawSeries(series) { + if (series.lines.show) + drawSeriesLines(series); + if (series.bars.show) + drawSeriesBars(series); + if (series.points.show) + drawSeriesPoints(series); + } + + function drawSeriesLines(series) { + function plotLine(datapoints, xoffset, yoffset, axisx, axisy) { + var points = datapoints.points, + ps = datapoints.pointsize, + prevx = null, prevy = null; + + ctx.beginPath(); + for (var i = ps; i < points.length; i += ps) { + var x1 = points[i - ps], y1 = points[i - ps + 1], + x2 = points[i], y2 = points[i + 1]; + + if (x1 == null || x2 == null) + continue; + + // clip with ymin + if (y1 <= y2 && y1 < axisy.min) { + if (y2 < axisy.min) + continue; // line segment is outside + // compute new intersection point + x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; + y1 = axisy.min; + } + else if (y2 <= y1 && y2 < axisy.min) { + if (y1 < axisy.min) + continue; + x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; + y2 = axisy.min; + } + + // clip with ymax + if (y1 >= y2 && y1 > axisy.max) { + if (y2 > axisy.max) + continue; + x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; + y1 = axisy.max; + } + else if (y2 >= y1 && y2 > axisy.max) { + if (y1 > axisy.max) + continue; + x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; + y2 = axisy.max; + } + + // clip with xmin + if (x1 <= x2 && x1 < axisx.min) { + if (x2 < axisx.min) + continue; + y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; + x1 = axisx.min; + } + else if (x2 <= x1 && x2 < axisx.min) { + if (x1 < axisx.min) + continue; + y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; + x2 = axisx.min; + } + + // clip with xmax + if (x1 >= x2 && x1 > axisx.max) { + if (x2 > axisx.max) + continue; + y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; + x1 = axisx.max; + } + else if (x2 >= x1 && x2 > axisx.max) { + if (x1 > axisx.max) + continue; + y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; + x2 = axisx.max; + } + + if (x1 != prevx || y1 != prevy) + ctx.moveTo(axisx.p2c(x1) + xoffset, axisy.p2c(y1) + yoffset); + + prevx = x2; + prevy = y2; + ctx.lineTo(axisx.p2c(x2) + xoffset, axisy.p2c(y2) + yoffset); + } + ctx.stroke(); + } + + function plotLineArea(datapoints, axisx, axisy) { + var points = datapoints.points, + ps = datapoints.pointsize, + bottom = Math.min(Math.max(0, axisy.min), axisy.max), + i = 0, top, areaOpen = false, + ypos = 1, segmentStart = 0, segmentEnd = 0; + + // we process each segment in two turns, first forward + // direction to sketch out top, then once we hit the + // end we go backwards to sketch the bottom + while (true) { + if (ps > 0 && i > points.length + ps) + break; + + i += ps; // ps is negative if going backwards + + var x1 = points[i - ps], + y1 = points[i - ps + ypos], + x2 = points[i], y2 = points[i + ypos]; + + if (areaOpen) { + if (ps > 0 && x1 != null && x2 == null) { + // at turning point + segmentEnd = i; + ps = -ps; + ypos = 2; + continue; + } + + if (ps < 0 && i == segmentStart + ps) { + // done with the reverse sweep + ctx.fill(); + areaOpen = false; + ps = -ps; + ypos = 1; + i = segmentStart = segmentEnd + ps; + continue; + } + } + + if (x1 == null || x2 == null) + continue; + + // clip x values + + // clip with xmin + if (x1 <= x2 && x1 < axisx.min) { + if (x2 < axisx.min) + continue; + y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; + x1 = axisx.min; + } + else if (x2 <= x1 && x2 < axisx.min) { + if (x1 < axisx.min) + continue; + y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1; + x2 = axisx.min; + } + + // clip with xmax + if (x1 >= x2 && x1 > axisx.max) { + if (x2 > axisx.max) + continue; + y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; + x1 = axisx.max; + } + else if (x2 >= x1 && x2 > axisx.max) { + if (x1 > axisx.max) + continue; + y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1; + x2 = axisx.max; + } + + if (!areaOpen) { + // open area + ctx.beginPath(); + ctx.moveTo(axisx.p2c(x1), axisy.p2c(bottom)); + areaOpen = true; + } + + // now first check the case where both is outside + if (y1 >= axisy.max && y2 >= axisy.max) { + ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.max)); + ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.max)); + continue; + } + else if (y1 <= axisy.min && y2 <= axisy.min) { + ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.min)); + ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.min)); + continue; + } + + // else it's a bit more complicated, there might + // be a flat maxed out rectangle first, then a + // triangular cutout or reverse; to find these + // keep track of the current x values + var x1old = x1, x2old = x2; + + // clip the y values, without shortcutting, we + // go through all cases in turn + + // clip with ymin + if (y1 <= y2 && y1 < axisy.min && y2 >= axisy.min) { + x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; + y1 = axisy.min; + } + else if (y2 <= y1 && y2 < axisy.min && y1 >= axisy.min) { + x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1; + y2 = axisy.min; + } + + // clip with ymax + if (y1 >= y2 && y1 > axisy.max && y2 <= axisy.max) { + x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; + y1 = axisy.max; + } + else if (y2 >= y1 && y2 > axisy.max && y1 <= axisy.max) { + x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1; + y2 = axisy.max; + } + + // if the x value was changed we got a rectangle + // to fill + if (x1 != x1old) { + ctx.lineTo(axisx.p2c(x1old), axisy.p2c(y1)); + // it goes to (x1, y1), but we fill that below + } + + // fill triangular section, this sometimes result + // in redundant points if (x1, y1) hasn't changed + // from previous line to, but we just ignore that + ctx.lineTo(axisx.p2c(x1), axisy.p2c(y1)); + ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2)); + + // fill the other rectangle if it's there + if (x2 != x2old) { + ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2)); + ctx.lineTo(axisx.p2c(x2old), axisy.p2c(y2)); + } + } + } + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + ctx.lineJoin = "round"; + + var lw = series.lines.lineWidth, + sw = series.shadowSize; + // FIXME: consider another form of shadow when filling is turned on + if (lw > 0 && sw > 0) { + // draw shadow as a thick and thin line with transparency + ctx.lineWidth = sw; + ctx.strokeStyle = "rgba(0,0,0,0.1)"; + // position shadow at angle from the mid of line + var angle = Math.PI/18; + plotLine(series.datapoints, Math.sin(angle) * (lw/2 + sw/2), Math.cos(angle) * (lw/2 + sw/2), series.xaxis, series.yaxis); + ctx.lineWidth = sw/2; + plotLine(series.datapoints, Math.sin(angle) * (lw/2 + sw/4), Math.cos(angle) * (lw/2 + sw/4), series.xaxis, series.yaxis); + } + + ctx.lineWidth = lw; + ctx.strokeStyle = series.color; + var fillStyle = getFillStyle(series.lines, series.color, 0, plotHeight); + if (fillStyle) { + ctx.fillStyle = fillStyle; + plotLineArea(series.datapoints, series.xaxis, series.yaxis); + } + + if (lw > 0) + plotLine(series.datapoints, 0, 0, series.xaxis, series.yaxis); + ctx.restore(); + } + + function drawSeriesPoints(series) { + function plotPoints(datapoints, radius, fillStyle, offset, shadow, axisx, axisy, symbol) { + var points = datapoints.points, ps = datapoints.pointsize; + + for (var i = 0; i < points.length; i += ps) { + var x = points[i], y = points[i + 1]; + if (x == null || x < axisx.min || x > axisx.max || y < axisy.min || y > axisy.max) + continue; + + ctx.beginPath(); + x = axisx.p2c(x); + y = axisy.p2c(y) + offset; + if (symbol == "circle") + ctx.arc(x, y, radius, 0, shadow ? Math.PI : Math.PI * 2, false); + else + symbol(ctx, x, y, radius, shadow); + ctx.closePath(); + + if (fillStyle) { + ctx.fillStyle = fillStyle; + ctx.fill(); + } + ctx.stroke(); + } + } + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + + var lw = series.points.lineWidth, + sw = series.shadowSize, + radius = series.points.radius, + symbol = series.points.symbol; + + // If the user sets the line width to 0, we change it to a very + // small value. A line width of 0 seems to force the default of 1. + // Doing the conditional here allows the shadow setting to still be + // optional even with a lineWidth of 0. + + if( lw == 0 ) + lw = 0.0001; + + if (lw > 0 && sw > 0) { + // draw shadow in two steps + var w = sw / 2; + ctx.lineWidth = w; + ctx.strokeStyle = "rgba(0,0,0,0.1)"; + plotPoints(series.datapoints, radius, null, w + w/2, true, + series.xaxis, series.yaxis, symbol); + + ctx.strokeStyle = "rgba(0,0,0,0.2)"; + plotPoints(series.datapoints, radius, null, w/2, true, + series.xaxis, series.yaxis, symbol); + } + + ctx.lineWidth = lw; + ctx.strokeStyle = series.color; + plotPoints(series.datapoints, radius, + getFillStyle(series.points, series.color), 0, false, + series.xaxis, series.yaxis, symbol); + ctx.restore(); + } + + function drawBar(x, y, b, barLeft, barRight, fillStyleCallback, axisx, axisy, c, horizontal, lineWidth) { + var left, right, bottom, top, + drawLeft, drawRight, drawTop, drawBottom, + tmp; + + // in horizontal mode, we start the bar from the left + // instead of from the bottom so it appears to be + // horizontal rather than vertical + if (horizontal) { + drawBottom = drawRight = drawTop = true; + drawLeft = false; + left = b; + right = x; + top = y + barLeft; + bottom = y + barRight; + + // account for negative bars + if (right < left) { + tmp = right; + right = left; + left = tmp; + drawLeft = true; + drawRight = false; + } + } + else { + drawLeft = drawRight = drawTop = true; + drawBottom = false; + left = x + barLeft; + right = x + barRight; + bottom = b; + top = y; + + // account for negative bars + if (top < bottom) { + tmp = top; + top = bottom; + bottom = tmp; + drawBottom = true; + drawTop = false; + } + } + + // clip + if (right < axisx.min || left > axisx.max || + top < axisy.min || bottom > axisy.max) + return; + + if (left < axisx.min) { + left = axisx.min; + drawLeft = false; + } + + if (right > axisx.max) { + right = axisx.max; + drawRight = false; + } + + if (bottom < axisy.min) { + bottom = axisy.min; + drawBottom = false; + } + + if (top > axisy.max) { + top = axisy.max; + drawTop = false; + } + + left = axisx.p2c(left); + bottom = axisy.p2c(bottom); + right = axisx.p2c(right); + top = axisy.p2c(top); + + // fill the bar + if (fillStyleCallback) { + c.fillStyle = fillStyleCallback(bottom, top); + c.fillRect(left, top, right - left, bottom - top) + } + + // draw outline + if (lineWidth > 0 && (drawLeft || drawRight || drawTop || drawBottom)) { + c.beginPath(); + + // FIXME: inline moveTo is buggy with excanvas + c.moveTo(left, bottom); + if (drawLeft) + c.lineTo(left, top); + else + c.moveTo(left, top); + if (drawTop) + c.lineTo(right, top); + else + c.moveTo(right, top); + if (drawRight) + c.lineTo(right, bottom); + else + c.moveTo(right, bottom); + if (drawBottom) + c.lineTo(left, bottom); + else + c.moveTo(left, bottom); + c.stroke(); + } + } + + function drawSeriesBars(series) { + function plotBars(datapoints, barLeft, barRight, fillStyleCallback, axisx, axisy) { + var points = datapoints.points, ps = datapoints.pointsize; + + for (var i = 0; i < points.length; i += ps) { + if (points[i] == null) + continue; + drawBar(points[i], points[i + 1], points[i + 2], barLeft, barRight, fillStyleCallback, axisx, axisy, ctx, series.bars.horizontal, series.bars.lineWidth); + } + } + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + + // FIXME: figure out a way to add shadows (for instance along the right edge) + ctx.lineWidth = series.bars.lineWidth; + ctx.strokeStyle = series.color; + + var barLeft; + + switch (series.bars.align) { + case "left": + barLeft = 0; + break; + case "right": + barLeft = -series.bars.barWidth; + break; + default: + barLeft = -series.bars.barWidth / 2; + } + + var fillStyleCallback = series.bars.fill ? function (bottom, top) { return getFillStyle(series.bars, series.color, bottom, top); } : null; + plotBars(series.datapoints, barLeft, barLeft + series.bars.barWidth, fillStyleCallback, series.xaxis, series.yaxis); + ctx.restore(); + } + + function getFillStyle(filloptions, seriesColor, bottom, top) { + var fill = filloptions.fill; + if (!fill) + return null; + + if (filloptions.fillColor) + return getColorOrGradient(filloptions.fillColor, bottom, top, seriesColor); + + var c = $.color.parse(seriesColor); + c.a = typeof fill == "number" ? fill : 0.4; + c.normalize(); + return c.toString(); + } + + function insertLegend() { + + if (options.legend.container != null) { + $(options.legend.container).html(""); + } else { + placeholder.find(".legend").remove(); + } + + if (!options.legend.show) { + return; + } + + var fragments = [], entries = [], rowStarted = false, + lf = options.legend.labelFormatter, s, label; + + // Build a list of legend entries, with each having a label and a color + + for (var i = 0; i < series.length; ++i) { + s = series[i]; + if (s.label) { + label = lf ? lf(s.label, s) : s.label; + if (label) { + entries.push({ + label: label, + color: s.color + }); + } + } + } + + // Sort the legend using either the default or a custom comparator + + if (options.legend.sorted) { + if ($.isFunction(options.legend.sorted)) { + entries.sort(options.legend.sorted); + } else if (options.legend.sorted == "reverse") { + entries.reverse(); + } else { + var ascending = options.legend.sorted != "descending"; + entries.sort(function(a, b) { + return a.label == b.label ? 0 : ( + (a.label < b.label) != ascending ? 1 : -1 // Logical XOR + ); + }); + } + } + + // Generate markup for the list of entries, in their final order + + for (var i = 0; i < entries.length; ++i) { + + var entry = entries[i]; + + if (i % options.legend.noColumns == 0) { + if (rowStarted) + fragments.push(''); + fragments.push(''); + rowStarted = true; + } + + fragments.push( + '
    ' + + '' + entry.label + '' + ); + } + + if (rowStarted) + fragments.push(''); + + if (fragments.length == 0) + return; + + var table = '' + fragments.join("") + '
    '; + if (options.legend.container != null) + $(options.legend.container).html(table); + else { + var pos = "", + p = options.legend.position, + m = options.legend.margin; + if (m[0] == null) + m = [m, m]; + if (p.charAt(0) == "n") + pos += 'top:' + (m[1] + plotOffset.top) + 'px;'; + else if (p.charAt(0) == "s") + pos += 'bottom:' + (m[1] + plotOffset.bottom) + 'px;'; + if (p.charAt(1) == "e") + pos += 'right:' + (m[0] + plotOffset.right) + 'px;'; + else if (p.charAt(1) == "w") + pos += 'left:' + (m[0] + plotOffset.left) + 'px;'; + var legend = $('
    ' + table.replace('style="', 'style="position:absolute;' + pos +';') + '
    ').appendTo(placeholder); + if (options.legend.backgroundOpacity != 0.0) { + // put in the transparent background + // separately to avoid blended labels and + // label boxes + var c = options.legend.backgroundColor; + if (c == null) { + c = options.grid.backgroundColor; + if (c && typeof c == "string") + c = $.color.parse(c); + else + c = $.color.extract(legend, 'background-color'); + c.a = 1; + c = c.toString(); + } + var div = legend.children(); + $('
    ').prependTo(legend).css('opacity', options.legend.backgroundOpacity); + } + } + } + + + // interactive features + + var highlights = [], + redrawTimeout = null; + + // returns the data item the mouse is over, or null if none is found + function findNearbyItem(mouseX, mouseY, seriesFilter) { + var maxDistance = options.grid.mouseActiveRadius, + smallestDistance = maxDistance * maxDistance + 1, + item = null, foundPoint = false, i, j, ps; + + for (i = series.length - 1; i >= 0; --i) { + if (!seriesFilter(series[i])) + continue; + + var s = series[i], + axisx = s.xaxis, + axisy = s.yaxis, + points = s.datapoints.points, + mx = axisx.c2p(mouseX), // precompute some stuff to make the loop faster + my = axisy.c2p(mouseY), + maxx = maxDistance / axisx.scale, + maxy = maxDistance / axisy.scale; + + ps = s.datapoints.pointsize; + // with inverse transforms, we can't use the maxx/maxy + // optimization, sadly + if (axisx.options.inverseTransform) + maxx = Number.MAX_VALUE; + if (axisy.options.inverseTransform) + maxy = Number.MAX_VALUE; + + if (s.lines.show || s.points.show) { + for (j = 0; j < points.length; j += ps) { + var x = points[j], y = points[j + 1]; + if (x == null) + continue; + + // For points and lines, the cursor must be within a + // certain distance to the data point + if (x - mx > maxx || x - mx < -maxx || + y - my > maxy || y - my < -maxy) + continue; + + // We have to calculate distances in pixels, not in + // data units, because the scales of the axes may be different + var dx = Math.abs(axisx.p2c(x) - mouseX), + dy = Math.abs(axisy.p2c(y) - mouseY), + dist = dx * dx + dy * dy; // we save the sqrt + + // use <= to ensure last point takes precedence + // (last generally means on top of) + if (dist < smallestDistance) { + smallestDistance = dist; + item = [i, j / ps]; + } + } + } + + if (s.bars.show && !item) { // no other point can be nearby + + var barLeft, barRight; + + switch (s.bars.align) { + case "left": + barLeft = 0; + break; + case "right": + barLeft = -s.bars.barWidth; + break; + default: + barLeft = -s.bars.barWidth / 2; + } + + barRight = barLeft + s.bars.barWidth; + + for (j = 0; j < points.length; j += ps) { + var x = points[j], y = points[j + 1], b = points[j + 2]; + if (x == null) + continue; + + // for a bar graph, the cursor must be inside the bar + if (series[i].bars.horizontal ? + (mx <= Math.max(b, x) && mx >= Math.min(b, x) && + my >= y + barLeft && my <= y + barRight) : + (mx >= x + barLeft && mx <= x + barRight && + my >= Math.min(b, y) && my <= Math.max(b, y))) + item = [i, j / ps]; + } + } + } + + if (item) { + i = item[0]; + j = item[1]; + ps = series[i].datapoints.pointsize; + + return { datapoint: series[i].datapoints.points.slice(j * ps, (j + 1) * ps), + dataIndex: j, + series: series[i], + seriesIndex: i }; + } + + return null; + } + + function onMouseMove(e) { + if (options.grid.hoverable) + triggerClickHoverEvent("plothover", e, + function (s) { return s["hoverable"] != false; }); + } + + function onMouseLeave(e) { + if (options.grid.hoverable) + triggerClickHoverEvent("plothover", e, + function (s) { return false; }); + } + + function onClick(e) { + triggerClickHoverEvent("plotclick", e, + function (s) { return s["clickable"] != false; }); + } + + // trigger click or hover event (they send the same parameters + // so we share their code) + function triggerClickHoverEvent(eventname, event, seriesFilter) { + var offset = eventHolder.offset(), + canvasX = event.pageX - offset.left - plotOffset.left, + canvasY = event.pageY - offset.top - plotOffset.top, + pos = canvasToAxisCoords({ left: canvasX, top: canvasY }); + + pos.pageX = event.pageX; + pos.pageY = event.pageY; + + var item = findNearbyItem(canvasX, canvasY, seriesFilter); + + if (item) { + // fill in mouse pos for any listeners out there + item.pageX = parseInt(item.series.xaxis.p2c(item.datapoint[0]) + offset.left + plotOffset.left, 10); + item.pageY = parseInt(item.series.yaxis.p2c(item.datapoint[1]) + offset.top + plotOffset.top, 10); + } + + if (options.grid.autoHighlight) { + // clear auto-highlights + for (var i = 0; i < highlights.length; ++i) { + var h = highlights[i]; + if (h.auto == eventname && + !(item && h.series == item.series && + h.point[0] == item.datapoint[0] && + h.point[1] == item.datapoint[1])) + unhighlight(h.series, h.point); + } + + if (item) + highlight(item.series, item.datapoint, eventname); + } + + placeholder.trigger(eventname, [ pos, item ]); + } + + function triggerRedrawOverlay() { + var t = options.interaction.redrawOverlayInterval; + if (t == -1) { // skip event queue + drawOverlay(); + return; + } + + if (!redrawTimeout) + redrawTimeout = setTimeout(drawOverlay, t); + } + + function drawOverlay() { + redrawTimeout = null; + + // draw highlights + octx.save(); + overlay.clear(); + octx.translate(plotOffset.left, plotOffset.top); + + var i, hi; + for (i = 0; i < highlights.length; ++i) { + hi = highlights[i]; + + if (hi.series.bars.show) + drawBarHighlight(hi.series, hi.point); + else + drawPointHighlight(hi.series, hi.point); + } + octx.restore(); + + executeHooks(hooks.drawOverlay, [octx]); + } + + function highlight(s, point, auto) { + if (typeof s == "number") + s = series[s]; + + if (typeof point == "number") { + var ps = s.datapoints.pointsize; + point = s.datapoints.points.slice(ps * point, ps * (point + 1)); + } + + var i = indexOfHighlight(s, point); + if (i == -1) { + highlights.push({ series: s, point: point, auto: auto }); + + triggerRedrawOverlay(); + } + else if (!auto) + highlights[i].auto = false; + } + + function unhighlight(s, point) { + if (s == null && point == null) { + highlights = []; + triggerRedrawOverlay(); + return; + } + + if (typeof s == "number") + s = series[s]; + + if (typeof point == "number") { + var ps = s.datapoints.pointsize; + point = s.datapoints.points.slice(ps * point, ps * (point + 1)); + } + + var i = indexOfHighlight(s, point); + if (i != -1) { + highlights.splice(i, 1); + + triggerRedrawOverlay(); + } + } + + function indexOfHighlight(s, p) { + for (var i = 0; i < highlights.length; ++i) { + var h = highlights[i]; + if (h.series == s && h.point[0] == p[0] + && h.point[1] == p[1]) + return i; + } + return -1; + } + + function drawPointHighlight(series, point) { + var x = point[0], y = point[1], + axisx = series.xaxis, axisy = series.yaxis, + highlightColor = (typeof series.highlightColor === "string") ? series.highlightColor : $.color.parse(series.color).scale('a', 0.5).toString(); + + if (x < axisx.min || x > axisx.max || y < axisy.min || y > axisy.max) + return; + + var pointRadius = series.points.radius + series.points.lineWidth / 2; + octx.lineWidth = pointRadius; + octx.strokeStyle = highlightColor; + var radius = 1.5 * pointRadius; + x = axisx.p2c(x); + y = axisy.p2c(y); + + octx.beginPath(); + if (series.points.symbol == "circle") + octx.arc(x, y, radius, 0, 2 * Math.PI, false); + else + series.points.symbol(octx, x, y, radius, false); + octx.closePath(); + octx.stroke(); + } + + function drawBarHighlight(series, point) { + var highlightColor = (typeof series.highlightColor === "string") ? series.highlightColor : $.color.parse(series.color).scale('a', 0.5).toString(), + fillStyle = highlightColor, + barLeft; + + switch (series.bars.align) { + case "left": + barLeft = 0; + break; + case "right": + barLeft = -series.bars.barWidth; + break; + default: + barLeft = -series.bars.barWidth / 2; + } + + octx.lineWidth = series.bars.lineWidth; + octx.strokeStyle = highlightColor; + + drawBar(point[0], point[1], point[2] || 0, barLeft, barLeft + series.bars.barWidth, + function () { return fillStyle; }, series.xaxis, series.yaxis, octx, series.bars.horizontal, series.bars.lineWidth); + } + + function getColorOrGradient(spec, bottom, top, defaultColor) { + if (typeof spec == "string") + return spec; + else { + // assume this is a gradient spec; IE currently only + // supports a simple vertical gradient properly, so that's + // what we support too + var gradient = ctx.createLinearGradient(0, top, 0, bottom); + + for (var i = 0, l = spec.colors.length; i < l; ++i) { + var c = spec.colors[i]; + if (typeof c != "string") { + var co = $.color.parse(defaultColor); + if (c.brightness != null) + co = co.scale('rgb', c.brightness); + if (c.opacity != null) + co.a *= c.opacity; + c = co.toString(); + } + gradient.addColorStop(i / (l - 1), c); + } + + return gradient; + } + } + } + + // Add the plot function to the top level of the jQuery object + + $.plot = function(placeholder, data, options) { + //var t0 = new Date(); + var plot = new Plot($(placeholder), data, options, $.plot.plugins); + //(window.console ? 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c,colors=[],colorPool=options.colors,colorPoolSize=colorPool.length,variation=0;for(i=0;i=0){if(variation<.5){variation=-variation-.2}else variation=0}else variation=-variation}colors[i]=c.scale("rgb",1+variation)}var colori=0,s;for(i=0;iaxis.datamax&&max!=fakeInfinity)axis.datamax=max}$.each(allAxes(),function(_,axis){axis.datamin=topSentry;axis.datamax=bottomSentry;axis.used=false});for(i=0;i0&&points[k-ps]!=null&&points[k-ps]!=points[k]&&points[k-ps+1]!=points[k+1]){for(m=0;mxmax)xmax=val}if(f.y){if(valymax)ymax=val}}}if(s.bars.show){var delta;switch(s.bars.align){case"left":delta=0;break;case"right":delta=-s.bars.barWidth;break;default:delta=-s.bars.barWidth/2}if(s.bars.horizontal){ymin+=delta;ymax+=delta+s.bars.barWidth}else{xmin+=delta;xmax+=delta+s.bars.barWidth}}updateAxis(s.xaxis,xmin,xmax);updateAxis(s.yaxis,ymin,ymax)}$.each(allAxes(),function(_,axis){if(axis.datamin==topSentry)axis.datamin=null;if(axis.datamax==bottomSentry)axis.datamax=null})}function 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setTransformationHelpers(axis){function identity(x){return x}var s,m,t=axis.options.transform||identity,it=axis.options.inverseTransform;if(axis.direction=="x"){s=axis.scale=plotWidth/Math.abs(t(axis.max)-t(axis.min));m=Math.min(t(axis.max),t(axis.min))}else{s=axis.scale=plotHeight/Math.abs(t(axis.max)-t(axis.min));s=-s;m=Math.max(t(axis.max),t(axis.min))}if(t==identity)axis.p2c=function(p){return(p-m)*s};else axis.p2c=function(p){return(t(p)-m)*s};if(!it)axis.c2p=function(c){return m+c/s};else axis.c2p=function(c){return it(m+c/s)}}function measureTickLabels(axis){var opts=axis.options,ticks=axis.ticks||[],labelWidth=opts.labelWidth||0,labelHeight=opts.labelHeight||0,maxWidth=labelWidth||(axis.direction=="x"?Math.floor(surface.width/(ticks.length||1)):null),legacyStyles=axis.direction+"Axis "+axis.direction+axis.n+"Axis",layer="flot-"+axis.direction+"-axis flot-"+axis.direction+axis.n+"-axis "+legacyStyles,font=opts.font||"flot-tick-label tickLabel";for(var i=0;i=0;--i)allocateAxisBoxFirstPhase(allocatedAxes[i]);adjustLayoutForThingsStickingOut();$.each(allocatedAxes,function(_,axis){allocateAxisBoxSecondPhase(axis)})}plotWidth=surface.width-plotOffset.left-plotOffset.right;plotHeight=surface.height-plotOffset.bottom-plotOffset.top;$.each(axes,function(_,axis){setTransformationHelpers(axis)});if(showGrid){drawAxisLabels()}insertLegend()}function setRange(axis){var opts=axis.options,min=+(opts.min!=null?opts.min:axis.datamin),max=+(opts.max!=null?opts.max:axis.datamax),delta=max-min;if(delta==0){var widen=max==0?1:.01;if(opts.min==null)min-=widen;if(opts.max==null||opts.min!=null)max+=widen}else{var margin=opts.autoscaleMargin;if(margin!=null){if(opts.min==null){min-=delta*margin;if(min<0&&axis.datamin!=null&&axis.datamin>=0)min=0}if(opts.max==null){max+=delta*margin;if(max>0&&axis.datamax!=null&&axis.datamax<=0)max=0}}}axis.min=min;axis.max=max}function setupTickGeneration(axis){var opts=axis.options;var noTicks;if(typeof opts.ticks=="number"&&opts.ticks>0)noTicks=opts.ticks;else noTicks=.3*Math.sqrt(axis.direction=="x"?surface.width:surface.height);var delta=(axis.max-axis.min)/noTicks,dec=-Math.floor(Math.log(delta)/Math.LN10),maxDec=opts.tickDecimals;if(maxDec!=null&&dec>maxDec){dec=maxDec}var magn=Math.pow(10,-dec),norm=delta/magn,size;if(norm<1.5){size=1}else if(norm<3){size=2;if(norm>2.25&&(maxDec==null||dec+1<=maxDec)){size=2.5;++dec}}else if(norm<7.5){size=5}else{size=10}size*=magn;if(opts.minTickSize!=null&&size0){if(opts.min==null)axis.min=Math.min(axis.min,niceTicks[0]);if(opts.max==null&&niceTicks.length>1)axis.max=Math.max(axis.max,niceTicks[niceTicks.length-1])}axis.tickGenerator=function(axis){var ticks=[],v,i;for(i=0;i1&&/\..*0$/.test((ts[1]-ts[0]).toFixed(extraDec))))axis.tickDecimals=extraDec}}}}function setTicks(axis){var oticks=axis.options.ticks,ticks=[];if(oticks==null||typeof oticks=="number"&&oticks>0)ticks=axis.tickGenerator(axis);else if(oticks){if($.isFunction(oticks))ticks=oticks(axis);else ticks=oticks}var i,v;axis.ticks=[];for(i=0;i1)label=t[1]}else v=+t;if(label==null)label=axis.tickFormatter(v,axis);if(!isNaN(v))axis.ticks.push({v:v,label:label})}}function snapRangeToTicks(axis,ticks){if(axis.options.autoscaleMargin&&ticks.length>0){if(axis.options.min==null)axis.min=Math.min(axis.min,ticks[0].v);if(axis.options.max==null&&ticks.length>1)axis.max=Math.max(axis.max,ticks[ticks.length-1].v)}}function draw(){surface.clear();executeHooks(hooks.drawBackground,[ctx]);var grid=options.grid;if(grid.show&&grid.backgroundColor)drawBackground();if(grid.show&&!grid.aboveData){drawGrid()}for(var i=0;ito){var tmp=from;from=to;to=tmp}return{from:from,to:to,axis:axis}}function drawBackground(){ctx.save();ctx.translate(plotOffset.left,plotOffset.top);ctx.fillStyle=getColorOrGradient(options.grid.backgroundColor,plotHeight,0,"rgba(255, 255, 255, 0)");ctx.fillRect(0,0,plotWidth,plotHeight);ctx.restore()}function drawGrid(){var i,axes,bw,bc;ctx.save();ctx.translate(plotOffset.left,plotOffset.top);var markings=options.grid.markings;if(markings){if($.isFunction(markings)){axes=plot.getAxes();axes.xmin=axes.xaxis.min;axes.xmax=axes.xaxis.max;axes.ymin=axes.yaxis.min;axes.ymax=axes.yaxis.max;markings=markings(axes)}for(i=0;ixrange.axis.max||yrange.toyrange.axis.max)continue;xrange.from=Math.max(xrange.from,xrange.axis.min);xrange.to=Math.min(xrange.to,xrange.axis.max); +yrange.from=Math.max(yrange.from,yrange.axis.min);yrange.to=Math.min(yrange.to,yrange.axis.max);if(xrange.from==xrange.to&&yrange.from==yrange.to)continue;xrange.from=xrange.axis.p2c(xrange.from);xrange.to=xrange.axis.p2c(xrange.to);yrange.from=yrange.axis.p2c(yrange.from);yrange.to=yrange.axis.p2c(yrange.to);if(xrange.from==xrange.to||yrange.from==yrange.to){ctx.beginPath();ctx.strokeStyle=m.color||options.grid.markingsColor;ctx.lineWidth=m.lineWidth||options.grid.markingsLineWidth;ctx.moveTo(xrange.from,yrange.from);ctx.lineTo(xrange.to,yrange.to);ctx.stroke()}else{ctx.fillStyle=m.color||options.grid.markingsColor;ctx.fillRect(xrange.from,yrange.to,xrange.to-xrange.from,yrange.from-yrange.to)}}}axes=allAxes();bw=options.grid.borderWidth;for(var j=0;jaxis.max||t=="full"&&(typeof bw=="object"&&bw[axis.position]>0||bw>0)&&(v==axis.min||v==axis.max))continue;if(axis.direction=="x"){x=axis.p2c(v);yoff=t=="full"?-plotHeight:t;if(axis.position=="top")yoff=-yoff}else{y=axis.p2c(v);xoff=t=="full"?-plotWidth:t;if(axis.position=="left")xoff=-xoff}if(ctx.lineWidth==1){if(axis.direction=="x")x=Math.floor(x)+.5;else y=Math.floor(y)+.5}ctx.moveTo(x,y);ctx.lineTo(x+xoff,y+yoff)}ctx.stroke()}if(bw){bc=options.grid.borderColor;if(typeof bw=="object"||typeof bc=="object"){if(typeof bw!=="object"){bw={top:bw,right:bw,bottom:bw,left:bw}}if(typeof bc!=="object"){bc={top:bc,right:bc,bottom:bc,left:bc}}if(bw.top>0){ctx.strokeStyle=bc.top;ctx.lineWidth=bw.top;ctx.beginPath();ctx.moveTo(0-bw.left,0-bw.top/2);ctx.lineTo(plotWidth,0-bw.top/2);ctx.stroke()}if(bw.right>0){ctx.strokeStyle=bc.right;ctx.lineWidth=bw.right;ctx.beginPath();ctx.moveTo(plotWidth+bw.right/2,0-bw.top);ctx.lineTo(plotWidth+bw.right/2,plotHeight);ctx.stroke()}if(bw.bottom>0){ctx.strokeStyle=bc.bottom;ctx.lineWidth=bw.bottom;ctx.beginPath();ctx.moveTo(plotWidth+bw.right,plotHeight+bw.bottom/2);ctx.lineTo(0,plotHeight+bw.bottom/2);ctx.stroke()}if(bw.left>0){ctx.strokeStyle=bc.left;ctx.lineWidth=bw.left;ctx.beginPath();ctx.moveTo(0-bw.left/2,plotHeight+bw.bottom);ctx.lineTo(0-bw.left/2,0);ctx.stroke()}}else{ctx.lineWidth=bw;ctx.strokeStyle=options.grid.borderColor;ctx.strokeRect(-bw/2,-bw/2,plotWidth+bw,plotHeight+bw)}}ctx.restore()}function drawAxisLabels(){$.each(allAxes(),function(_,axis){var box=axis.box,legacyStyles=axis.direction+"Axis "+axis.direction+axis.n+"Axis",layer="flot-"+axis.direction+"-axis flot-"+axis.direction+axis.n+"-axis "+legacyStyles,font=axis.options.font||"flot-tick-label tickLabel",tick,x,y,halign,valign;surface.removeText(layer);if(!axis.show||axis.ticks.length==0)return;for(var i=0;iaxis.max)continue;if(axis.direction=="x"){halign="center";x=plotOffset.left+axis.p2c(tick.v);if(axis.position=="bottom"){y=box.top+box.padding}else{y=box.top+box.height-box.padding;valign="bottom"}}else{valign="middle";y=plotOffset.top+axis.p2c(tick.v);if(axis.position=="left"){x=box.left+box.width-box.padding;halign="right"}else{x=box.left+box.padding}}surface.addText(layer,x,y,tick.label,font,null,null,halign,valign)}})}function drawSeries(series){if(series.lines.show)drawSeriesLines(series);if(series.bars.show)drawSeriesBars(series);if(series.points.show)drawSeriesPoints(series)}function drawSeriesLines(series){function plotLine(datapoints,xoffset,yoffset,axisx,axisy){var points=datapoints.points,ps=datapoints.pointsize,prevx=null,prevy=null;ctx.beginPath();for(var i=ps;i=y2&&y1>axisy.max){if(y2>axisy.max)continue;x1=(axisy.max-y1)/(y2-y1)*(x2-x1)+x1;y1=axisy.max}else if(y2>=y1&&y2>axisy.max){if(y1>axisy.max)continue;x2=(axisy.max-y1)/(y2-y1)*(x2-x1)+x1;y2=axisy.max}if(x1<=x2&&x1=x2&&x1>axisx.max){if(x2>axisx.max)continue;y1=(axisx.max-x1)/(x2-x1)*(y2-y1)+y1;x1=axisx.max}else if(x2>=x1&&x2>axisx.max){if(x1>axisx.max)continue;y2=(axisx.max-x1)/(x2-x1)*(y2-y1)+y1;x2=axisx.max}if(x1!=prevx||y1!=prevy)ctx.moveTo(axisx.p2c(x1)+xoffset,axisy.p2c(y1)+yoffset);prevx=x2;prevy=y2;ctx.lineTo(axisx.p2c(x2)+xoffset,axisy.p2c(y2)+yoffset)}ctx.stroke()}function plotLineArea(datapoints,axisx,axisy){var points=datapoints.points,ps=datapoints.pointsize,bottom=Math.min(Math.max(0,axisy.min),axisy.max),i=0,top,areaOpen=false,ypos=1,segmentStart=0,segmentEnd=0;while(true){if(ps>0&&i>points.length+ps)break;i+=ps;var x1=points[i-ps],y1=points[i-ps+ypos],x2=points[i],y2=points[i+ypos];if(areaOpen){if(ps>0&&x1!=null&&x2==null){segmentEnd=i;ps=-ps;ypos=2;continue}if(ps<0&&i==segmentStart+ps){ctx.fill();areaOpen=false;ps=-ps;ypos=1;i=segmentStart=segmentEnd+ps;continue}}if(x1==null||x2==null)continue;if(x1<=x2&&x1=x2&&x1>axisx.max){if(x2>axisx.max)continue;y1=(axisx.max-x1)/(x2-x1)*(y2-y1)+y1;x1=axisx.max}else if(x2>=x1&&x2>axisx.max){if(x1>axisx.max)continue;y2=(axisx.max-x1)/(x2-x1)*(y2-y1)+y1;x2=axisx.max}if(!areaOpen){ctx.beginPath();ctx.moveTo(axisx.p2c(x1),axisy.p2c(bottom));areaOpen=true}if(y1>=axisy.max&&y2>=axisy.max){ctx.lineTo(axisx.p2c(x1),axisy.p2c(axisy.max));ctx.lineTo(axisx.p2c(x2),axisy.p2c(axisy.max));continue}else if(y1<=axisy.min&&y2<=axisy.min){ctx.lineTo(axisx.p2c(x1),axisy.p2c(axisy.min));ctx.lineTo(axisx.p2c(x2),axisy.p2c(axisy.min));continue}var x1old=x1,x2old=x2;if(y1<=y2&&y1=axisy.min){x1=(axisy.min-y1)/(y2-y1)*(x2-x1)+x1;y1=axisy.min}else if(y2<=y1&&y2=axisy.min){x2=(axisy.min-y1)/(y2-y1)*(x2-x1)+x1;y2=axisy.min}if(y1>=y2&&y1>axisy.max&&y2<=axisy.max){x1=(axisy.max-y1)/(y2-y1)*(x2-x1)+x1;y1=axisy.max}else if(y2>=y1&&y2>axisy.max&&y1<=axisy.max){x2=(axisy.max-y1)/(y2-y1)*(x2-x1)+x1;y2=axisy.max}if(x1!=x1old){ctx.lineTo(axisx.p2c(x1old),axisy.p2c(y1))}ctx.lineTo(axisx.p2c(x1),axisy.p2c(y1));ctx.lineTo(axisx.p2c(x2),axisy.p2c(y2));if(x2!=x2old){ctx.lineTo(axisx.p2c(x2),axisy.p2c(y2));ctx.lineTo(axisx.p2c(x2old),axisy.p2c(y2))}}}ctx.save();ctx.translate(plotOffset.left,plotOffset.top);ctx.lineJoin="round";var lw=series.lines.lineWidth,sw=series.shadowSize;if(lw>0&&sw>0){ctx.lineWidth=sw;ctx.strokeStyle="rgba(0,0,0,0.1)";var angle=Math.PI/18;plotLine(series.datapoints,Math.sin(angle)*(lw/2+sw/2),Math.cos(angle)*(lw/2+sw/2),series.xaxis,series.yaxis);ctx.lineWidth=sw/2;plotLine(series.datapoints,Math.sin(angle)*(lw/2+sw/4),Math.cos(angle)*(lw/2+sw/4),series.xaxis,series.yaxis)}ctx.lineWidth=lw;ctx.strokeStyle=series.color;var fillStyle=getFillStyle(series.lines,series.color,0,plotHeight);if(fillStyle){ctx.fillStyle=fillStyle;plotLineArea(series.datapoints,series.xaxis,series.yaxis)}if(lw>0)plotLine(series.datapoints,0,0,series.xaxis,series.yaxis);ctx.restore()}function drawSeriesPoints(series){function plotPoints(datapoints,radius,fillStyle,offset,shadow,axisx,axisy,symbol){var points=datapoints.points,ps=datapoints.pointsize;for(var i=0;iaxisx.max||yaxisy.max)continue;ctx.beginPath();x=axisx.p2c(x);y=axisy.p2c(y)+offset;if(symbol=="circle")ctx.arc(x,y,radius,0,shadow?Math.PI:Math.PI*2,false);else symbol(ctx,x,y,radius,shadow);ctx.closePath();if(fillStyle){ctx.fillStyle=fillStyle;ctx.fill()}ctx.stroke()}}ctx.save();ctx.translate(plotOffset.left,plotOffset.top);var lw=series.points.lineWidth,sw=series.shadowSize,radius=series.points.radius,symbol=series.points.symbol;if(lw==0)lw=1e-4;if(lw>0&&sw>0){var w=sw/2;ctx.lineWidth=w;ctx.strokeStyle="rgba(0,0,0,0.1)";plotPoints(series.datapoints,radius,null,w+w/2,true,series.xaxis,series.yaxis,symbol);ctx.strokeStyle="rgba(0,0,0,0.2)";plotPoints(series.datapoints,radius,null,w/2,true,series.xaxis,series.yaxis,symbol)}ctx.lineWidth=lw;ctx.strokeStyle=series.color;plotPoints(series.datapoints,radius,getFillStyle(series.points,series.color),0,false,series.xaxis,series.yaxis,symbol);ctx.restore()}function drawBar(x,y,b,barLeft,barRight,fillStyleCallback,axisx,axisy,c,horizontal,lineWidth){var left,right,bottom,top,drawLeft,drawRight,drawTop,drawBottom,tmp;if(horizontal){drawBottom=drawRight=drawTop=true;drawLeft=false;left=b;right=x;top=y+barLeft;bottom=y+barRight;if(rightaxisx.max||topaxisy.max)return;if(leftaxisx.max){right=axisx.max;drawRight=false}if(bottomaxisy.max){top=axisy.max;drawTop=false}left=axisx.p2c(left);bottom=axisy.p2c(bottom);right=axisx.p2c(right);top=axisy.p2c(top);if(fillStyleCallback){c.fillStyle=fillStyleCallback(bottom,top);c.fillRect(left,top,right-left,bottom-top)}if(lineWidth>0&&(drawLeft||drawRight||drawTop||drawBottom)){c.beginPath();c.moveTo(left,bottom);if(drawLeft)c.lineTo(left,top);else c.moveTo(left,top);if(drawTop)c.lineTo(right,top);else c.moveTo(right,top);if(drawRight)c.lineTo(right,bottom);else c.moveTo(right,bottom);if(drawBottom)c.lineTo(left,bottom);else c.moveTo(left,bottom);c.stroke()}}function drawSeriesBars(series){function plotBars(datapoints,barLeft,barRight,fillStyleCallback,axisx,axisy){var points=datapoints.points,ps=datapoints.pointsize;for(var i=0;i");fragments.push("");rowStarted=true}fragments.push('
    '+''+entry.label+"")}if(rowStarted)fragments.push("");if(fragments.length==0)return;var table=''+fragments.join("")+"
    ";if(options.legend.container!=null)$(options.legend.container).html(table);else{var pos="",p=options.legend.position,m=options.legend.margin;if(m[0]==null)m=[m,m];if(p.charAt(0)=="n")pos+="top:"+(m[1]+plotOffset.top)+"px;";else if(p.charAt(0)=="s")pos+="bottom:"+(m[1]+plotOffset.bottom)+"px;";if(p.charAt(1)=="e")pos+="right:"+(m[0]+plotOffset.right)+"px;";else if(p.charAt(1)=="w")pos+="left:"+(m[0]+plotOffset.left)+"px;";var legend=$('
    '+table.replace('style="','style="position:absolute;'+pos+";")+"
    ").appendTo(placeholder);if(options.legend.backgroundOpacity!=0){var c=options.legend.backgroundColor;if(c==null){c=options.grid.backgroundColor;if(c&&typeof c=="string")c=$.color.parse(c);else c=$.color.extract(legend,"background-color");c.a=1;c=c.toString()}var div=legend.children();$('
    ').prependTo(legend).css("opacity",options.legend.backgroundOpacity)}}}var highlights=[],redrawTimeout=null;function findNearbyItem(mouseX,mouseY,seriesFilter){var maxDistance=options.grid.mouseActiveRadius,smallestDistance=maxDistance*maxDistance+1,item=null,foundPoint=false,i,j,ps;for(i=series.length-1;i>=0;--i){if(!seriesFilter(series[i]))continue;var s=series[i],axisx=s.xaxis,axisy=s.yaxis,points=s.datapoints.points,mx=axisx.c2p(mouseX),my=axisy.c2p(mouseY),maxx=maxDistance/axisx.scale,maxy=maxDistance/axisy.scale;ps=s.datapoints.pointsize;if(axisx.options.inverseTransform)maxx=Number.MAX_VALUE;if(axisy.options.inverseTransform)maxy=Number.MAX_VALUE;if(s.lines.show||s.points.show){for(j=0;jmaxx||x-mx<-maxx||y-my>maxy||y-my<-maxy)continue;var dx=Math.abs(axisx.p2c(x)-mouseX),dy=Math.abs(axisy.p2c(y)-mouseY),dist=dx*dx+dy*dy;if(dist=Math.min(b,x)&&my>=y+barLeft&&my<=y+barRight:mx>=x+barLeft&&mx<=x+barRight&&my>=Math.min(b,y)&&my<=Math.max(b,y))item=[i,j/ps]}}}if(item){i=item[0];j=item[1];ps=series[i].datapoints.pointsize;return{datapoint:series[i].datapoints.points.slice(j*ps,(j+1)*ps),dataIndex:j,series:series[i],seriesIndex:i}}return null}function onMouseMove(e){if(options.grid.hoverable)triggerClickHoverEvent("plothover",e,function(s){return s["hoverable"]!=false})}function onMouseLeave(e){if(options.grid.hoverable)triggerClickHoverEvent("plothover",e,function(s){return false})}function onClick(e){triggerClickHoverEvent("plotclick",e,function(s){return s["clickable"]!=false})}function triggerClickHoverEvent(eventname,event,seriesFilter){var offset=eventHolder.offset(),canvasX=event.pageX-offset.left-plotOffset.left,canvasY=event.pageY-offset.top-plotOffset.top,pos=canvasToAxisCoords({left:canvasX,top:canvasY});pos.pageX=event.pageX;pos.pageY=event.pageY;var item=findNearbyItem(canvasX,canvasY,seriesFilter);if(item){item.pageX=parseInt(item.series.xaxis.p2c(item.datapoint[0])+offset.left+plotOffset.left,10);item.pageY=parseInt(item.series.yaxis.p2c(item.datapoint[1])+offset.top+plotOffset.top,10)}if(options.grid.autoHighlight){for(var i=0;iaxisx.max||yaxisy.max)return;var pointRadius=series.points.radius+series.points.lineWidth/2;octx.lineWidth=pointRadius;octx.strokeStyle=highlightColor;var radius=1.5*pointRadius;x=axisx.p2c(x);y=axisy.p2c(y);octx.beginPath();if(series.points.symbol=="circle")octx.arc(x,y,radius,0,2*Math.PI,false);else series.points.symbol(octx,x,y,radius,false);octx.closePath();octx.stroke()}function drawBarHighlight(series,point){var highlightColor=typeof series.highlightColor==="string"?series.highlightColor:$.color.parse(series.color).scale("a",.5).toString(),fillStyle=highlightColor,barLeft;switch(series.bars.align){case"left":barLeft=0;break;case"right":barLeft=-series.bars.barWidth;break;default:barLeft=-series.bars.barWidth/2}octx.lineWidth=series.bars.lineWidth;octx.strokeStyle=highlightColor;drawBar(point[0],point[1],point[2]||0,barLeft,barLeft+series.bars.barWidth,function(){return fillStyle},series.xaxis,series.yaxis,octx,series.bars.horizontal,series.bars.lineWidth)}function getColorOrGradient(spec,bottom,top,defaultColor){if(typeof spec=="string")return spec;else{var gradient=ctx.createLinearGradient(0,top,0,bottom);for(var i=0,l=spec.colors.length;i0&&h.which!=l.which||a(h.target).is(l.not))return;switch(h.type){case"mousedown":return a.extend(l,a(j).offset(),{elem:j,target:h.target,pageX:h.pageX,pageY:h.pageY}),b.add(document,"mousemove mouseup",e,l),i(j,!1),d.dragging=null,!1;case!d.dragging&&"mousemove":if(g(h.pageX-l.pageX)+g(h.pageY-l.pageY) max) { + // make sure min < max + var tmp = min; + min = max; + max = tmp; + } + + //Check that we are in panRange + if (pr) { + if (pr[0] != null && min < pr[0]) { + min = pr[0]; + } + if (pr[1] != null && max > pr[1]) { + max = pr[1]; + } + } + + var range = max - min; + if (zr && + ((zr[0] != null && range < zr[0]) || + (zr[1] != null && range > zr[1]))) + return; + + opts.min = min; + opts.max = max; + }); + + plot.setupGrid(); + plot.draw(); + + if (!args.preventEvent) + plot.getPlaceholder().trigger("plotzoom", [ plot, args ]); + }; + + plot.pan = function (args) { + var delta = { + x: +args.left, + y: +args.top + }; + + if (isNaN(delta.x)) + delta.x = 0; + if (isNaN(delta.y)) + delta.y = 0; + + $.each(plot.getAxes(), function (_, axis) { + var opts = axis.options, + min, max, d = delta[axis.direction]; + + min = axis.c2p(axis.p2c(axis.min) + d), + max = axis.c2p(axis.p2c(axis.max) + d); + + var pr = opts.panRange; + if (pr === false) // no panning on this axis + return; + + if (pr) { + // check whether we hit the wall + if (pr[0] != null && pr[0] > min) { + d = pr[0] - min; + min += d; + max += d; + } + + if (pr[1] != null && pr[1] < max) { + d = pr[1] - max; + min += d; + max += d; + } + } + + opts.min = min; + opts.max = max; + }); + + plot.setupGrid(); + plot.draw(); + + if (!args.preventEvent) + plot.getPlaceholder().trigger("plotpan", [ plot, args ]); + }; + + function shutdown(plot, eventHolder) { + eventHolder.unbind(plot.getOptions().zoom.trigger, onZoomClick); + eventHolder.unbind("mousewheel", onMouseWheel); + eventHolder.unbind("dragstart", onDragStart); + eventHolder.unbind("drag", onDrag); + eventHolder.unbind("dragend", onDragEnd); + if (panTimeout) + clearTimeout(panTimeout); + } + + plot.hooks.bindEvents.push(bindEvents); + plot.hooks.shutdown.push(shutdown); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'navigate', + version: '1.3' + }); +})(jQuery); diff --git a/LNbits/static/plugins/flot/jquery.flot.navigate.min.js b/LNbits/static/plugins/flot/jquery.flot.navigate.min.js new file mode 100644 index 00000000..a69a9399 --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.navigate.min.js @@ -0,0 +1 @@ +(function(a){function e(h){var k,j=this,l=h.data||{};if(l.elem)j=h.dragTarget=l.elem,h.dragProxy=d.proxy||j,h.cursorOffsetX=l.pageX-l.left,h.cursorOffsetY=l.pageY-l.top,h.offsetX=h.pageX-h.cursorOffsetX,h.offsetY=h.pageY-h.cursorOffsetY;else if(d.dragging||l.which>0&&h.which!=l.which||a(h.target).is(l.not))return;switch(h.type){case"mousedown":return a.extend(l,a(j).offset(),{elem:j,target:h.target,pageX:h.pageX,pageY:h.pageY}),b.add(document,"mousemove mouseup",e,l),i(j,!1),d.dragging=null,!1;case!d.dragging&&"mousemove":if(g(h.pageX-l.pageX)+g(h.pageY-l.pageY)max){var tmp=min;min=max;max=tmp}if(pr){if(pr[0]!=null&&minpr[1]){max=pr[1]}}var range=max-min;if(zr&&(zr[0]!=null&&rangezr[1]))return;opts.min=min;opts.max=max});plot.setupGrid();plot.draw();if(!args.preventEvent)plot.getPlaceholder().trigger("plotzoom",[plot,args])};plot.pan=function(args){var delta={x:+args.left,y:+args.top};if(isNaN(delta.x))delta.x=0;if(isNaN(delta.y))delta.y=0;$.each(plot.getAxes(),function(_,axis){var opts=axis.options,min,max,d=delta[axis.direction];min=axis.c2p(axis.p2c(axis.min)+d),max=axis.c2p(axis.p2c(axis.max)+d);var pr=opts.panRange;if(pr===false)return;if(pr){if(pr[0]!=null&&pr[0]>min){d=pr[0]-min;min+=d;max+=d}if(pr[1]!=null&&pr[1] 1) { + options.series.pie.tilt = 1; + } else if (options.series.pie.tilt < 0) { + options.series.pie.tilt = 0; + } + } + }); + + plot.hooks.bindEvents.push(function(plot, eventHolder) { + var options = plot.getOptions(); + if (options.series.pie.show) { + if (options.grid.hoverable) { + eventHolder.unbind("mousemove").mousemove(onMouseMove); + } + if (options.grid.clickable) { + eventHolder.unbind("click").click(onClick); + } + } + }); + + plot.hooks.processDatapoints.push(function(plot, series, data, datapoints) { + var options = plot.getOptions(); + if (options.series.pie.show) { + processDatapoints(plot, series, data, datapoints); + } + }); + + plot.hooks.drawOverlay.push(function(plot, octx) { + var options = plot.getOptions(); + if (options.series.pie.show) { + drawOverlay(plot, octx); + } + }); + + plot.hooks.draw.push(function(plot, newCtx) { + var options = plot.getOptions(); + if (options.series.pie.show) { + draw(plot, newCtx); + } + }); + + function processDatapoints(plot, series, datapoints) { + if (!processed) { + processed = true; + canvas = plot.getCanvas(); + target = $(canvas).parent(); + options = plot.getOptions(); + plot.setData(combine(plot.getData())); + } + } + + function combine(data) { + + var total = 0, + combined = 0, + numCombined = 0, + color = options.series.pie.combine.color, + newdata = []; + + // Fix up the raw data from Flot, ensuring the data is numeric + + for (var i = 0; i < data.length; ++i) { + + var value = data[i].data; + + // If the data is an array, we'll assume that it's a standard + // Flot x-y pair, and are concerned only with the second value. + + // Note how we use the original array, rather than creating a + // new one; this is more efficient and preserves any extra data + // that the user may have stored in higher indexes. + + if ($.isArray(value) && value.length == 1) { + value = value[0]; + } + + if ($.isArray(value)) { + // Equivalent to $.isNumeric() but compatible with jQuery < 1.7 + if (!isNaN(parseFloat(value[1])) && isFinite(value[1])) { + value[1] = +value[1]; + } else { + value[1] = 0; + } + } else if (!isNaN(parseFloat(value)) && isFinite(value)) { + value = [1, +value]; + } else { + value = [1, 0]; + } + + data[i].data = [value]; + } + + // Sum up all the slices, so we can calculate percentages for each + + for (var i = 0; i < data.length; ++i) { + total += data[i].data[0][1]; + } + + // Count the number of slices with percentages below the combine + // threshold; if it turns out to be just one, we won't combine. + + for (var i = 0; i < data.length; ++i) { + var value = data[i].data[0][1]; + if (value / total <= options.series.pie.combine.threshold) { + combined += value; + numCombined++; + if (!color) { + color = data[i].color; + } + } + } + + for (var i = 0; i < data.length; ++i) { + var value = data[i].data[0][1]; + if (numCombined < 2 || value / total > options.series.pie.combine.threshold) { + newdata.push({ + data: [[1, value]], + color: data[i].color, + label: data[i].label, + angle: value * Math.PI * 2 / total, + percent: value / (total / 100) + }); + } + } + + if (numCombined > 1) { + newdata.push({ + data: [[1, combined]], + color: color, + label: options.series.pie.combine.label, + angle: combined * Math.PI * 2 / total, + percent: combined / (total / 100) + }); + } + + return newdata; + } + + function draw(plot, newCtx) { + + if (!target) { + return; // if no series were passed + } + + var canvasWidth = plot.getPlaceholder().width(), + canvasHeight = plot.getPlaceholder().height(), + legendWidth = target.children().filter(".legend").children().width() || 0; + + ctx = newCtx; + + // WARNING: HACK! REWRITE THIS CODE AS SOON AS POSSIBLE! + + // When combining smaller slices into an 'other' slice, we need to + // add a new series. Since Flot gives plugins no way to modify the + // list of series, the pie plugin uses a hack where the first call + // to processDatapoints results in a call to setData with the new + // list of series, then subsequent processDatapoints do nothing. + + // The plugin-global 'processed' flag is used to control this hack; + // it starts out false, and is set to true after the first call to + // processDatapoints. + + // Unfortunately this turns future setData calls into no-ops; they + // call processDatapoints, the flag is true, and nothing happens. + + // To fix this we'll set the flag back to false here in draw, when + // all series have been processed, so the next sequence of calls to + // processDatapoints once again starts out with a slice-combine. + // This is really a hack; in 0.9 we need to give plugins a proper + // way to modify series before any processing begins. + + processed = false; + + // calculate maximum radius and center point + + maxRadius = Math.min(canvasWidth, canvasHeight / options.series.pie.tilt) / 2; + centerTop = canvasHeight / 2 + options.series.pie.offset.top; + centerLeft = canvasWidth / 2; + + if (options.series.pie.offset.left == "auto") { + if (options.legend.position.match("w")) { + centerLeft += legendWidth / 2; + } else { + centerLeft -= legendWidth / 2; + } + if (centerLeft < maxRadius) { + centerLeft = maxRadius; + } else if (centerLeft > canvasWidth - maxRadius) { + centerLeft = canvasWidth - maxRadius; + } + } else { + centerLeft += options.series.pie.offset.left; + } + + var slices = plot.getData(), + attempts = 0; + + // Keep shrinking the pie's radius until drawPie returns true, + // indicating that all the labels fit, or we try too many times. + + do { + if (attempts > 0) { + maxRadius *= REDRAW_SHRINK; + } + attempts += 1; + clear(); + if (options.series.pie.tilt <= 0.8) { + drawShadow(); + } + } while (!drawPie() && attempts < REDRAW_ATTEMPTS); + + if (attempts >= REDRAW_ATTEMPTS) { + clear(); + target.prepend("
    Could not draw pie with labels contained inside canvas
    "); + } + + if (plot.setSeries && plot.insertLegend) { + plot.setSeries(slices); + plot.insertLegend(); + } + + // we're actually done at this point, just defining internal functions at this point + + function clear() { + ctx.clearRect(0, 0, canvasWidth, canvasHeight); + target.children().filter(".pieLabel, .pieLabelBackground").remove(); + } + + function drawShadow() { + + var shadowLeft = options.series.pie.shadow.left; + var shadowTop = options.series.pie.shadow.top; + var edge = 10; + var alpha = options.series.pie.shadow.alpha; + var radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius; + + if (radius >= canvasWidth / 2 - shadowLeft || radius * options.series.pie.tilt >= canvasHeight / 2 - shadowTop || radius <= edge) { + return; // shadow would be outside canvas, so don't draw it + } + + ctx.save(); + ctx.translate(shadowLeft,shadowTop); + ctx.globalAlpha = alpha; + ctx.fillStyle = "#000"; + + // center and rotate to starting position + + ctx.translate(centerLeft,centerTop); + ctx.scale(1, options.series.pie.tilt); + + //radius -= edge; + + for (var i = 1; i <= edge; i++) { + ctx.beginPath(); + ctx.arc(0, 0, radius, 0, Math.PI * 2, false); + ctx.fill(); + radius -= i; + } + + ctx.restore(); + } + + function drawPie() { + + var startAngle = Math.PI * options.series.pie.startAngle; + var radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius; + + // center and rotate to starting position + + ctx.save(); + ctx.translate(centerLeft,centerTop); + ctx.scale(1, options.series.pie.tilt); + //ctx.rotate(startAngle); // start at top; -- This doesn't work properly in Opera + + // draw slices + + ctx.save(); + var currentAngle = startAngle; + for (var i = 0; i < slices.length; ++i) { + slices[i].startAngle = currentAngle; + drawSlice(slices[i].angle, slices[i].color, true); + } + ctx.restore(); + + // draw slice outlines + + if (options.series.pie.stroke.width > 0) { + ctx.save(); + ctx.lineWidth = options.series.pie.stroke.width; + currentAngle = startAngle; + for (var i = 0; i < slices.length; ++i) { + drawSlice(slices[i].angle, options.series.pie.stroke.color, false); + } + ctx.restore(); + } + + // draw donut hole + + drawDonutHole(ctx); + + ctx.restore(); + + // Draw the labels, returning true if they fit within the plot + + if (options.series.pie.label.show) { + return drawLabels(); + } else return true; + + function drawSlice(angle, color, fill) { + + if (angle <= 0 || isNaN(angle)) { + return; + } + + if (fill) { + ctx.fillStyle = color; + } else { + ctx.strokeStyle = color; + ctx.lineJoin = "round"; + } + + ctx.beginPath(); + if (Math.abs(angle - Math.PI * 2) > 0.000000001) { + ctx.moveTo(0, 0); // Center of the pie + } + + //ctx.arc(0, 0, radius, 0, angle, false); // This doesn't work properly in Opera + ctx.arc(0, 0, radius,currentAngle, currentAngle + angle / 2, false); + ctx.arc(0, 0, radius,currentAngle + angle / 2, currentAngle + angle, false); + ctx.closePath(); + //ctx.rotate(angle); // This doesn't work properly in Opera + currentAngle += angle; + + if (fill) { + ctx.fill(); + } else { + ctx.stroke(); + } + } + + function drawLabels() { + + var currentAngle = startAngle; + var radius = options.series.pie.label.radius > 1 ? options.series.pie.label.radius : maxRadius * options.series.pie.label.radius; + + for (var i = 0; i < slices.length; ++i) { + if (slices[i].percent >= options.series.pie.label.threshold * 100) { + if (!drawLabel(slices[i], currentAngle, i)) { + return false; + } + } + currentAngle += slices[i].angle; + } + + return true; + + function drawLabel(slice, startAngle, index) { + + if (slice.data[0][1] == 0) { + return true; + } + + // format label text + + var lf = options.legend.labelFormatter, text, plf = options.series.pie.label.formatter; + + if (lf) { + text = lf(slice.label, slice); + } else { + text = slice.label; + } + + if (plf) { + text = plf(text, slice); + } + + var halfAngle = ((startAngle + slice.angle) + startAngle) / 2; + var x = centerLeft + Math.round(Math.cos(halfAngle) * radius); + var y = centerTop + Math.round(Math.sin(halfAngle) * radius) * options.series.pie.tilt; + + var html = "" + text + ""; + target.append(html); + + var label = target.children("#pieLabel" + index); + var labelTop = (y - label.height() / 2); + var labelLeft = (x - label.width() / 2); + + label.css("top", labelTop); + label.css("left", labelLeft); + + // check to make sure that the label is not outside the canvas + + if (0 - labelTop > 0 || 0 - labelLeft > 0 || canvasHeight - (labelTop + label.height()) < 0 || canvasWidth - (labelLeft + label.width()) < 0) { + return false; + } + + if (options.series.pie.label.background.opacity != 0) { + + // put in the transparent background separately to avoid blended labels and label boxes + + var c = options.series.pie.label.background.color; + + if (c == null) { + c = slice.color; + } + + var pos = "top:" + labelTop + "px;left:" + labelLeft + "px;"; + $("
    ") + .css("opacity", options.series.pie.label.background.opacity) + .insertBefore(label); + } + + return true; + } // end individual label function + } // end drawLabels function + } // end drawPie function + } // end draw function + + // Placed here because it needs to be accessed from multiple locations + + function drawDonutHole(layer) { + if (options.series.pie.innerRadius > 0) { + + // subtract the center + + layer.save(); + var innerRadius = options.series.pie.innerRadius > 1 ? options.series.pie.innerRadius : maxRadius * options.series.pie.innerRadius; + layer.globalCompositeOperation = "destination-out"; // this does not work with excanvas, but it will fall back to using the stroke color + layer.beginPath(); + layer.fillStyle = options.series.pie.stroke.color; + layer.arc(0, 0, innerRadius, 0, Math.PI * 2, false); + layer.fill(); + layer.closePath(); + layer.restore(); + + // add inner stroke + + layer.save(); + layer.beginPath(); + layer.strokeStyle = options.series.pie.stroke.color; + layer.arc(0, 0, innerRadius, 0, Math.PI * 2, false); + layer.stroke(); + layer.closePath(); + layer.restore(); + + // TODO: add extra shadow inside hole (with a mask) if the pie is tilted. + } + } + + //-- Additional Interactive related functions -- + + function isPointInPoly(poly, pt) { + for(var c = false, i = -1, l = poly.length, j = l - 1; ++i < l; j = i) + ((poly[i][1] <= pt[1] && pt[1] < poly[j][1]) || (poly[j][1] <= pt[1] && pt[1]< poly[i][1])) + && (pt[0] < (poly[j][0] - poly[i][0]) * (pt[1] - poly[i][1]) / (poly[j][1] - poly[i][1]) + poly[i][0]) + && (c = !c); + return c; + } + + function findNearbySlice(mouseX, mouseY) { + + var slices = plot.getData(), + options = plot.getOptions(), + radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius, + x, y; + + for (var i = 0; i < slices.length; ++i) { + + var s = slices[i]; + + if (s.pie.show) { + + ctx.save(); + ctx.beginPath(); + ctx.moveTo(0, 0); // Center of the pie + //ctx.scale(1, options.series.pie.tilt); // this actually seems to break everything when here. + ctx.arc(0, 0, radius, s.startAngle, s.startAngle + s.angle / 2, false); + ctx.arc(0, 0, radius, s.startAngle + s.angle / 2, s.startAngle + s.angle, false); + ctx.closePath(); + x = mouseX - centerLeft; + y = mouseY - centerTop; + + if (ctx.isPointInPath) { + if (ctx.isPointInPath(mouseX - centerLeft, mouseY - centerTop)) { + ctx.restore(); + return { + datapoint: [s.percent, s.data], + dataIndex: 0, + series: s, + seriesIndex: i + }; + } + } else { + + // excanvas for IE doesn;t support isPointInPath, this is a workaround. + + var p1X = radius * Math.cos(s.startAngle), + p1Y = radius * Math.sin(s.startAngle), + p2X = radius * Math.cos(s.startAngle + s.angle / 4), + p2Y = radius * Math.sin(s.startAngle + s.angle / 4), + p3X = radius * Math.cos(s.startAngle + s.angle / 2), + p3Y = radius * Math.sin(s.startAngle + s.angle / 2), + p4X = radius * Math.cos(s.startAngle + s.angle / 1.5), + p4Y = radius * Math.sin(s.startAngle + s.angle / 1.5), + p5X = radius * Math.cos(s.startAngle + s.angle), + p5Y = radius * Math.sin(s.startAngle + s.angle), + arrPoly = [[0, 0], [p1X, p1Y], [p2X, p2Y], [p3X, p3Y], [p4X, p4Y], [p5X, p5Y]], + arrPoint = [x, y]; + + // TODO: perhaps do some mathmatical trickery here with the Y-coordinate to compensate for pie tilt? + + if (isPointInPoly(arrPoly, arrPoint)) { + ctx.restore(); + return { + datapoint: [s.percent, s.data], + dataIndex: 0, + series: s, + seriesIndex: i + }; + } + } + + ctx.restore(); + } + } + + return null; + } + + function onMouseMove(e) { + triggerClickHoverEvent("plothover", e); + } + + function onClick(e) { + triggerClickHoverEvent("plotclick", e); + } + + // trigger click or hover event (they send the same parameters so we share their code) + + function triggerClickHoverEvent(eventname, e) { + + var offset = plot.offset(); + var canvasX = parseInt(e.pageX - offset.left); + var canvasY = parseInt(e.pageY - offset.top); + var item = findNearbySlice(canvasX, canvasY); + + if (options.grid.autoHighlight) { + + // clear auto-highlights + + for (var i = 0; i < highlights.length; ++i) { + var h = highlights[i]; + if (h.auto == eventname && !(item && h.series == item.series)) { + unhighlight(h.series); + } + } + } + + // highlight the slice + + if (item) { + highlight(item.series, eventname); + } + + // trigger any hover bind events + + var pos = { pageX: e.pageX, pageY: e.pageY }; + target.trigger(eventname, [pos, item]); + } + + function highlight(s, auto) { + //if (typeof s == "number") { + // s = series[s]; + //} + + var i = indexOfHighlight(s); + + if (i == -1) { + highlights.push({ series: s, auto: auto }); + plot.triggerRedrawOverlay(); + } else if (!auto) { + highlights[i].auto = false; + } + } + + function unhighlight(s) { + if (s == null) { + highlights = []; + plot.triggerRedrawOverlay(); + } + + //if (typeof s == "number") { + // s = series[s]; + //} + + var i = indexOfHighlight(s); + + if (i != -1) { + highlights.splice(i, 1); + plot.triggerRedrawOverlay(); + } + } + + function indexOfHighlight(s) { + for (var i = 0; i < highlights.length; ++i) { + var h = highlights[i]; + if (h.series == s) + return i; + } + return -1; + } + + function drawOverlay(plot, octx) { + + var options = plot.getOptions(); + + var radius = options.series.pie.radius > 1 ? options.series.pie.radius : maxRadius * options.series.pie.radius; + + octx.save(); + octx.translate(centerLeft, centerTop); + octx.scale(1, options.series.pie.tilt); + + for (var i = 0; i < highlights.length; ++i) { + drawHighlight(highlights[i].series); + } + + drawDonutHole(octx); + + octx.restore(); + + function drawHighlight(series) { + + if (series.angle <= 0 || isNaN(series.angle)) { + return; + } + + //octx.fillStyle = parseColor(options.series.pie.highlight.color).scale(null, null, null, options.series.pie.highlight.opacity).toString(); + octx.fillStyle = "rgba(255, 255, 255, " + options.series.pie.highlight.opacity + ")"; // this is temporary until we have access to parseColor + octx.beginPath(); + if (Math.abs(series.angle - Math.PI * 2) > 0.000000001) { + octx.moveTo(0, 0); // Center of the pie + } + octx.arc(0, 0, radius, series.startAngle, series.startAngle + series.angle / 2, false); + octx.arc(0, 0, radius, series.startAngle + series.angle / 2, series.startAngle + series.angle, false); + octx.closePath(); + octx.fill(); + } + } + } // end init (plugin body) + + // define pie specific options and their default values + + var options = { + series: { + pie: { + show: false, + radius: "auto", // actual radius of the visible pie (based on full calculated radius if <=1, or hard pixel value) + innerRadius: 0, /* for donut */ + startAngle: 3/2, + tilt: 1, + shadow: { + left: 5, // shadow left offset + top: 15, // shadow top offset + alpha: 0.02 // shadow alpha + }, + offset: { + top: 0, + left: "auto" + }, + stroke: { + color: "#fff", + width: 1 + }, + label: { + show: "auto", + formatter: function(label, slice) { + return "
    " + label + "
    " + Math.round(slice.percent) + "%
    "; + }, // formatter function + radius: 1, // radius at which to place the labels (based on full calculated radius if <=1, or hard pixel value) + background: { + color: null, + opacity: 0 + }, + threshold: 0 // percentage at which to hide the label (i.e. the slice is too narrow) + }, + combine: { + threshold: -1, // percentage at which to combine little slices into one larger slice + color: null, // color to give the new slice (auto-generated if null) + label: "Other" // label to give the new slice + }, + highlight: { + //color: "#fff", // will add this functionality once parseColor is available + opacity: 0.5 + } + } + } + }; + + $.plot.plugins.push({ + init: init, + options: options, + name: "pie", + version: "1.1" + }); + +})(jQuery); diff --git a/LNbits/static/plugins/flot/jquery.flot.pie.min.js b/LNbits/static/plugins/flot/jquery.flot.pie.min.js new file mode 100644 index 00000000..88ffc9c9 --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.pie.min.js @@ -0,0 +1 @@ +(function($){var REDRAW_ATTEMPTS=10;var REDRAW_SHRINK=.95;function init(plot){var canvas=null,target=null,options=null,maxRadius=null,centerLeft=null,centerTop=null,processed=false,ctx=null;var highlights=[];plot.hooks.processOptions.push(function(plot,options){if(options.series.pie.show){options.grid.show=false;if(options.series.pie.label.show=="auto"){if(options.legend.show){options.series.pie.label.show=false}else{options.series.pie.label.show=true}}if(options.series.pie.radius=="auto"){if(options.series.pie.label.show){options.series.pie.radius=3/4}else{options.series.pie.radius=1}}if(options.series.pie.tilt>1){options.series.pie.tilt=1}else if(options.series.pie.tilt<0){options.series.pie.tilt=0}}});plot.hooks.bindEvents.push(function(plot,eventHolder){var options=plot.getOptions();if(options.series.pie.show){if(options.grid.hoverable){eventHolder.unbind("mousemove").mousemove(onMouseMove)}if(options.grid.clickable){eventHolder.unbind("click").click(onClick)}}});plot.hooks.processDatapoints.push(function(plot,series,data,datapoints){var options=plot.getOptions();if(options.series.pie.show){processDatapoints(plot,series,data,datapoints)}});plot.hooks.drawOverlay.push(function(plot,octx){var options=plot.getOptions();if(options.series.pie.show){drawOverlay(plot,octx)}});plot.hooks.draw.push(function(plot,newCtx){var options=plot.getOptions();if(options.series.pie.show){draw(plot,newCtx)}});function processDatapoints(plot,series,datapoints){if(!processed){processed=true;canvas=plot.getCanvas();target=$(canvas).parent();options=plot.getOptions();plot.setData(combine(plot.getData()))}}function combine(data){var total=0,combined=0,numCombined=0,color=options.series.pie.combine.color,newdata=[];for(var i=0;ioptions.series.pie.combine.threshold){newdata.push({data:[[1,value]],color:data[i].color,label:data[i].label,angle:value*Math.PI*2/total,percent:value/(total/100)})}}if(numCombined>1){newdata.push({data:[[1,combined]],color:color,label:options.series.pie.combine.label,angle:combined*Math.PI*2/total,percent:combined/(total/100)})}return newdata}function draw(plot,newCtx){if(!target){return}var canvasWidth=plot.getPlaceholder().width(),canvasHeight=plot.getPlaceholder().height(),legendWidth=target.children().filter(".legend").children().width()||0;ctx=newCtx;processed=false;maxRadius=Math.min(canvasWidth,canvasHeight/options.series.pie.tilt)/2;centerTop=canvasHeight/2+options.series.pie.offset.top;centerLeft=canvasWidth/2;if(options.series.pie.offset.left=="auto"){if(options.legend.position.match("w")){centerLeft+=legendWidth/2}else{centerLeft-=legendWidth/2}if(centerLeftcanvasWidth-maxRadius){centerLeft=canvasWidth-maxRadius}}else{centerLeft+=options.series.pie.offset.left}var slices=plot.getData(),attempts=0;do{if(attempts>0){maxRadius*=REDRAW_SHRINK}attempts+=1;clear();if(options.series.pie.tilt<=.8){drawShadow()}}while(!drawPie()&&attempts=REDRAW_ATTEMPTS){clear();target.prepend("
    Could not draw pie with labels contained inside canvas
    ")}if(plot.setSeries&&plot.insertLegend){plot.setSeries(slices);plot.insertLegend()}function clear(){ctx.clearRect(0,0,canvasWidth,canvasHeight);target.children().filter(".pieLabel, .pieLabelBackground").remove()}function drawShadow(){var shadowLeft=options.series.pie.shadow.left;var shadowTop=options.series.pie.shadow.top;var edge=10;var alpha=options.series.pie.shadow.alpha;var radius=options.series.pie.radius>1?options.series.pie.radius:maxRadius*options.series.pie.radius;if(radius>=canvasWidth/2-shadowLeft||radius*options.series.pie.tilt>=canvasHeight/2-shadowTop||radius<=edge){return}ctx.save();ctx.translate(shadowLeft,shadowTop);ctx.globalAlpha=alpha;ctx.fillStyle="#000";ctx.translate(centerLeft,centerTop);ctx.scale(1,options.series.pie.tilt);for(var i=1;i<=edge;i++){ctx.beginPath();ctx.arc(0,0,radius,0,Math.PI*2,false);ctx.fill();radius-=i}ctx.restore()}function drawPie(){var startAngle=Math.PI*options.series.pie.startAngle;var radius=options.series.pie.radius>1?options.series.pie.radius:maxRadius*options.series.pie.radius;ctx.save();ctx.translate(centerLeft,centerTop);ctx.scale(1,options.series.pie.tilt);ctx.save();var currentAngle=startAngle;for(var i=0;i0){ctx.save();ctx.lineWidth=options.series.pie.stroke.width;currentAngle=startAngle;for(var i=0;i1e-9){ctx.moveTo(0,0)}ctx.arc(0,0,radius,currentAngle,currentAngle+angle/2,false);ctx.arc(0,0,radius,currentAngle+angle/2,currentAngle+angle,false);ctx.closePath();currentAngle+=angle;if(fill){ctx.fill()}else{ctx.stroke()}}function drawLabels(){var currentAngle=startAngle;var radius=options.series.pie.label.radius>1?options.series.pie.label.radius:maxRadius*options.series.pie.label.radius;for(var i=0;i=options.series.pie.label.threshold*100){if(!drawLabel(slices[i],currentAngle,i)){return false}}currentAngle+=slices[i].angle}return true;function drawLabel(slice,startAngle,index){if(slice.data[0][1]==0){return true}var lf=options.legend.labelFormatter,text,plf=options.series.pie.label.formatter;if(lf){text=lf(slice.label,slice)}else{text=slice.label}if(plf){text=plf(text,slice)}var halfAngle=(startAngle+slice.angle+startAngle)/2;var x=centerLeft+Math.round(Math.cos(halfAngle)*radius);var y=centerTop+Math.round(Math.sin(halfAngle)*radius)*options.series.pie.tilt;var html=""+text+"";target.append(html);var label=target.children("#pieLabel"+index);var labelTop=y-label.height()/2;var labelLeft=x-label.width()/2;label.css("top",labelTop);label.css("left",labelLeft);if(0-labelTop>0||0-labelLeft>0||canvasHeight-(labelTop+label.height())<0||canvasWidth-(labelLeft+label.width())<0){return false}if(options.series.pie.label.background.opacity!=0){var c=options.series.pie.label.background.color;if(c==null){c=slice.color}var pos="top:"+labelTop+"px;left:"+labelLeft+"px;";$("
    ").css("opacity",options.series.pie.label.background.opacity).insertBefore(label)}return true}}}}function drawDonutHole(layer){if(options.series.pie.innerRadius>0){layer.save();var innerRadius=options.series.pie.innerRadius>1?options.series.pie.innerRadius:maxRadius*options.series.pie.innerRadius;layer.globalCompositeOperation="destination-out";layer.beginPath();layer.fillStyle=options.series.pie.stroke.color;layer.arc(0,0,innerRadius,0,Math.PI*2,false);layer.fill();layer.closePath();layer.restore();layer.save();layer.beginPath();layer.strokeStyle=options.series.pie.stroke.color;layer.arc(0,0,innerRadius,0,Math.PI*2,false);layer.stroke();layer.closePath();layer.restore()}}function isPointInPoly(poly,pt){for(var c=false,i=-1,l=poly.length,j=l-1;++i1?options.series.pie.radius:maxRadius*options.series.pie.radius,x,y;for(var i=0;i1?options.series.pie.radius:maxRadius*options.series.pie.radius;octx.save();octx.translate(centerLeft,centerTop);octx.scale(1,options.series.pie.tilt);for(var i=0;i1e-9){octx.moveTo(0,0)}octx.arc(0,0,radius,series.startAngle,series.startAngle+series.angle/2,false);octx.arc(0,0,radius,series.startAngle+series.angle/2,series.startAngle+series.angle,false);octx.closePath();octx.fill()}}}var options={series:{pie:{show:false,radius:"auto",innerRadius:0,startAngle:3/2,tilt:1,shadow:{left:5,top:15,alpha:.02},offset:{top:0,left:"auto"},stroke:{color:"#fff",width:1},label:{show:"auto",formatter:function(label,slice){return"
    "+label+"
    "+Math.round(slice.percent)+"%
    "},radius:1,background:{color:null,opacity:0},threshold:0},combine:{threshold:-1,color:null,label:"Other"},highlight:{opacity:.5}}}};$.plot.plugins.push({init:init,options:options,name:"pie",version:"1.1"})})(jQuery); \ No newline at end of file diff --git a/LNbits/static/plugins/flot/jquery.flot.resize.js b/LNbits/static/plugins/flot/jquery.flot.resize.js new file mode 100644 index 00000000..44e04f8f --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.resize.js @@ -0,0 +1,60 @@ +/* Flot plugin for automatically redrawing plots as the placeholder resizes. + +Copyright (c) 2007-2013 IOLA and Ole Laursen. +Licensed under the MIT license. + +It works by listening for changes on the placeholder div (through the jQuery +resize event plugin) - if the size changes, it will redraw the plot. + +There are no options. If you need to disable the plugin for some plots, you +can just fix the size of their placeholders. + +*/ + +/* Inline dependency: + * jQuery resize event - v1.1 - 3/14/2010 + * http://benalman.com/projects/jquery-resize-plugin/ + * + * Copyright (c) 2010 "Cowboy" Ben Alman + * Dual licensed under the MIT and GPL licenses. + * http://benalman.com/about/license/ + */ + +(function($,t,n){function p(){for(var n=r.length-1;n>=0;n--){var o=$(r[n]);if(o[0]==t||o.is(":visible")){var h=o.width(),d=o.height(),v=o.data(a);!v||h===v.w&&d===v.h?i[f]=i[l]:(i[f]=i[c],o.trigger(u,[v.w=h,v.h=d]))}else v=o.data(a),v.w=0,v.h=0}s!==null&&(s=t.requestAnimationFrame(p))}var r=[],i=$.resize=$.extend($.resize,{}),s,o="setTimeout",u="resize",a=u+"-special-event",f="delay",l="pendingDelay",c="activeDelay",h="throttleWindow";i[l]=250,i[c]=20,i[f]=i[l],i[h]=!0,$.event.special[u]={setup:function(){if(!i[h]&&this[o])return!1;var t=$(this);r.push(this),t.data(a,{w:t.width(),h:t.height()}),r.length===1&&(s=n,p())},teardown:function(){if(!i[h]&&this[o])return!1;var t=$(this);for(var n=r.length-1;n>=0;n--)if(r[n]==this){r.splice(n,1);break}t.removeData(a),r.length||(cancelAnimationFrame(s),s=null)},add:function(t){function s(t,i,s){var o=$(this),u=o.data(a);u.w=i!==n?i:o.width(),u.h=s!==n?s:o.height(),r.apply(this,arguments)}if(!i[h]&&this[o])return!1;var r;if($.isFunction(t))return r=t,s;r=t.handler,t.handler=s}},t.requestAnimationFrame||(t.requestAnimationFrame=function(){return t.webkitRequestAnimationFrame||t.mozRequestAnimationFrame||t.oRequestAnimationFrame||t.msRequestAnimationFrame||function(e,n){return t.setTimeout(e,i[f])}}()),t.cancelAnimationFrame||(t.cancelAnimationFrame=function(){return t.webkitCancelRequestAnimationFrame||t.mozCancelRequestAnimationFrame||t.oCancelRequestAnimationFrame||t.msCancelRequestAnimationFrame||clearTimeout}())})(jQuery,this); + +(function ($) { + var options = { }; // no options + + function init(plot) { + function onResize() { + var placeholder = plot.getPlaceholder(); + + // somebody might have hidden us and we can't plot + // when we don't have the dimensions + if (placeholder.width() == 0 || placeholder.height() == 0) + return; + + plot.resize(); + plot.setupGrid(); + plot.draw(); + } + + function bindEvents(plot, eventHolder) { + plot.getPlaceholder().resize(onResize); + } + + function shutdown(plot, eventHolder) { + plot.getPlaceholder().unbind("resize", onResize); + } + + plot.hooks.bindEvents.push(bindEvents); + plot.hooks.shutdown.push(shutdown); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'resize', + version: '1.0' + }); +})(jQuery); diff --git a/LNbits/static/plugins/flot/jquery.flot.resize.min.js b/LNbits/static/plugins/flot/jquery.flot.resize.min.js new file mode 100644 index 00000000..29838425 --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.resize.min.js @@ -0,0 +1 @@ +(function($,t,n){function p(){for(var n=r.length-1;n>=0;n--){var o=$(r[n]);if(o[0]==t||o.is(":visible")){var h=o.width(),d=o.height(),v=o.data(a);!v||h===v.w&&d===v.h?i[f]=i[l]:(i[f]=i[c],o.trigger(u,[v.w=h,v.h=d]))}else v=o.data(a),v.w=0,v.h=0}s!==null&&(s=t.requestAnimationFrame(p))}var r=[],i=$.resize=$.extend($.resize,{}),s,o="setTimeout",u="resize",a=u+"-special-event",f="delay",l="pendingDelay",c="activeDelay",h="throttleWindow";i[l]=250,i[c]=20,i[f]=i[l],i[h]=!0,$.event.special[u]={setup:function(){if(!i[h]&&this[o])return!1;var t=$(this);r.push(this),t.data(a,{w:t.width(),h:t.height()}),r.length===1&&(s=n,p())},teardown:function(){if(!i[h]&&this[o])return!1;var t=$(this);for(var n=r.length-1;n>=0;n--)if(r[n]==this){r.splice(n,1);break}t.removeData(a),r.length||(cancelAnimationFrame(s),s=null)},add:function(t){function s(t,i,s){var o=$(this),u=o.data(a);u.w=i!==n?i:o.width(),u.h=s!==n?s:o.height(),r.apply(this,arguments)}if(!i[h]&&this[o])return!1;var r;if($.isFunction(t))return r=t,s;r=t.handler,t.handler=s}},t.requestAnimationFrame||(t.requestAnimationFrame=function(){return t.webkitRequestAnimationFrame||t.mozRequestAnimationFrame||t.oRequestAnimationFrame||t.msRequestAnimationFrame||function(e,n){return t.setTimeout(e,i[f])}}()),t.cancelAnimationFrame||(t.cancelAnimationFrame=function(){return t.webkitCancelRequestAnimationFrame||t.mozCancelRequestAnimationFrame||t.oCancelRequestAnimationFrame||t.msCancelRequestAnimationFrame||clearTimeout}())})(jQuery,this);(function($){var options={};function init(plot){function onResize(){var placeholder=plot.getPlaceholder();if(placeholder.width()==0||placeholder.height()==0)return;plot.resize();plot.setupGrid();plot.draw()}function bindEvents(plot,eventHolder){plot.getPlaceholder().resize(onResize)}function shutdown(plot,eventHolder){plot.getPlaceholder().unbind("resize",onResize)}plot.hooks.bindEvents.push(bindEvents);plot.hooks.shutdown.push(shutdown)}$.plot.plugins.push({init:init,options:options,name:"resize",version:"1.0"})})(jQuery); \ No newline at end of file diff --git a/LNbits/static/plugins/flot/jquery.flot.selection.js b/LNbits/static/plugins/flot/jquery.flot.selection.js new file mode 100644 index 00000000..f8fa668f --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.selection.js @@ -0,0 +1,360 @@ +/* Flot plugin for selecting regions of a plot. + +Copyright (c) 2007-2013 IOLA and Ole Laursen. +Licensed under the MIT license. + +The plugin supports these options: + +selection: { + mode: null or "x" or "y" or "xy", + color: color, + shape: "round" or "miter" or "bevel", + minSize: number of pixels +} + +Selection support is enabled by setting the mode to one of "x", "y" or "xy". +In "x" mode, the user will only be able to specify the x range, similarly for +"y" mode. For "xy", the selection becomes a rectangle where both ranges can be +specified. "color" is color of the selection (if you need to change the color +later on, you can get to it with plot.getOptions().selection.color). "shape" +is the shape of the corners of the selection. + +"minSize" is the minimum size a selection can be in pixels. This value can +be customized to determine the smallest size a selection can be and still +have the selection rectangle be displayed. When customizing this value, the +fact that it refers to pixels, not axis units must be taken into account. +Thus, for example, if there is a bar graph in time mode with BarWidth set to 1 +minute, setting "minSize" to 1 will not make the minimum selection size 1 +minute, but rather 1 pixel. Note also that setting "minSize" to 0 will prevent +"plotunselected" events from being fired when the user clicks the mouse without +dragging. + +When selection support is enabled, a "plotselected" event will be emitted on +the DOM element you passed into the plot function. The event handler gets a +parameter with the ranges selected on the axes, like this: + + placeholder.bind( "plotselected", function( event, ranges ) { + alert("You selected " + ranges.xaxis.from + " to " + ranges.xaxis.to) + // similar for yaxis - with multiple axes, the extra ones are in + // x2axis, x3axis, ... + }); + +The "plotselected" event is only fired when the user has finished making the +selection. A "plotselecting" event is fired during the process with the same +parameters as the "plotselected" event, in case you want to know what's +happening while it's happening, + +A "plotunselected" event with no arguments is emitted when the user clicks the +mouse to remove the selection. As stated above, setting "minSize" to 0 will +destroy this behavior. + +The plugin allso adds the following methods to the plot object: + +- setSelection( ranges, preventEvent ) + + Set the selection rectangle. The passed in ranges is on the same form as + returned in the "plotselected" event. If the selection mode is "x", you + should put in either an xaxis range, if the mode is "y" you need to put in + an yaxis range and both xaxis and yaxis if the selection mode is "xy", like + this: + + setSelection({ xaxis: { from: 0, to: 10 }, yaxis: { from: 40, to: 60 } }); + + setSelection will trigger the "plotselected" event when called. If you don't + want that to happen, e.g. if you're inside a "plotselected" handler, pass + true as the second parameter. If you are using multiple axes, you can + specify the ranges on any of those, e.g. as x2axis/x3axis/... instead of + xaxis, the plugin picks the first one it sees. + +- clearSelection( preventEvent ) + + Clear the selection rectangle. Pass in true to avoid getting a + "plotunselected" event. + +- getSelection() + + Returns the current selection in the same format as the "plotselected" + event. If there's currently no selection, the function returns null. + +*/ + +(function ($) { + function init(plot) { + var selection = { + first: { x: -1, y: -1}, second: { x: -1, y: -1}, + show: false, + active: false + }; + + // FIXME: The drag handling implemented here should be + // abstracted out, there's some similar code from a library in + // the navigation plugin, this should be massaged a bit to fit + // the Flot cases here better and reused. Doing this would + // make this plugin much slimmer. + var savedhandlers = {}; + + var mouseUpHandler = null; + + function onMouseMove(e) { + if (selection.active) { + updateSelection(e); + + plot.getPlaceholder().trigger("plotselecting", [ getSelection() ]); + } + } + + function onMouseDown(e) { + if (e.which != 1) // only accept left-click + return; + + // cancel out any text selections + document.body.focus(); + + // prevent text selection and drag in old-school browsers + if (document.onselectstart !== undefined && savedhandlers.onselectstart == null) { + savedhandlers.onselectstart = document.onselectstart; + document.onselectstart = function () { return false; }; + } + if (document.ondrag !== undefined && savedhandlers.ondrag == null) { + savedhandlers.ondrag = document.ondrag; + document.ondrag = function () { return false; }; + } + + setSelectionPos(selection.first, e); + + selection.active = true; + + // this is a bit silly, but we have to use a closure to be + // able to whack the same handler again + mouseUpHandler = function (e) { onMouseUp(e); }; + + $(document).one("mouseup", mouseUpHandler); + } + + function onMouseUp(e) { + mouseUpHandler = null; + + // revert drag stuff for old-school browsers + if (document.onselectstart !== undefined) + document.onselectstart = savedhandlers.onselectstart; + if (document.ondrag !== undefined) + document.ondrag = savedhandlers.ondrag; + + // no more dragging + selection.active = false; + updateSelection(e); + + if (selectionIsSane()) + triggerSelectedEvent(); + else { + // this counts as a clear + plot.getPlaceholder().trigger("plotunselected", [ ]); + plot.getPlaceholder().trigger("plotselecting", [ null ]); + } + + return false; + } + + function getSelection() { + if (!selectionIsSane()) + return null; + + if (!selection.show) return null; + + var r = {}, c1 = selection.first, c2 = selection.second; + $.each(plot.getAxes(), function (name, axis) { + if (axis.used) { + var p1 = axis.c2p(c1[axis.direction]), p2 = axis.c2p(c2[axis.direction]); + r[name] = { from: Math.min(p1, p2), to: Math.max(p1, p2) }; + } + }); + return r; + } + + function triggerSelectedEvent() { + var r = getSelection(); + + plot.getPlaceholder().trigger("plotselected", [ r ]); + + // backwards-compat stuff, to be removed in future + if (r.xaxis && r.yaxis) + plot.getPlaceholder().trigger("selected", [ { x1: r.xaxis.from, y1: r.yaxis.from, x2: r.xaxis.to, y2: r.yaxis.to } ]); + } + + function clamp(min, value, max) { + return value < min ? min: (value > max ? max: value); + } + + function setSelectionPos(pos, e) { + var o = plot.getOptions(); + var offset = plot.getPlaceholder().offset(); + var plotOffset = plot.getPlotOffset(); + pos.x = clamp(0, e.pageX - offset.left - plotOffset.left, plot.width()); + pos.y = clamp(0, e.pageY - offset.top - plotOffset.top, plot.height()); + + if (o.selection.mode == "y") + pos.x = pos == selection.first ? 0 : plot.width(); + + if (o.selection.mode == "x") + pos.y = pos == selection.first ? 0 : plot.height(); + } + + function updateSelection(pos) { + if (pos.pageX == null) + return; + + setSelectionPos(selection.second, pos); + if (selectionIsSane()) { + selection.show = true; + plot.triggerRedrawOverlay(); + } + else + clearSelection(true); + } + + function clearSelection(preventEvent) { + if (selection.show) { + selection.show = false; + plot.triggerRedrawOverlay(); + if (!preventEvent) + plot.getPlaceholder().trigger("plotunselected", [ ]); + } + } + + // function taken from markings support in Flot + function extractRange(ranges, coord) { + var axis, from, to, key, axes = plot.getAxes(); + + for (var k in axes) { + axis = axes[k]; + if (axis.direction == coord) { + key = coord + axis.n + "axis"; + if (!ranges[key] && axis.n == 1) + key = coord + "axis"; // support x1axis as xaxis + if (ranges[key]) { + from = ranges[key].from; + to = ranges[key].to; + break; + } + } + } + + // backwards-compat stuff - to be removed in future + if (!ranges[key]) { + axis = coord == "x" ? plot.getXAxes()[0] : plot.getYAxes()[0]; + from = ranges[coord + "1"]; + to = ranges[coord + "2"]; + } + + // auto-reverse as an added bonus + if (from != null && to != null && from > to) { + var tmp = from; + from = to; + to = tmp; + } + + return { from: from, to: to, axis: axis }; + } + + function setSelection(ranges, preventEvent) { + var axis, range, o = plot.getOptions(); + + if (o.selection.mode == "y") { + selection.first.x = 0; + selection.second.x = plot.width(); + } + else { + range = extractRange(ranges, "x"); + + selection.first.x = range.axis.p2c(range.from); + selection.second.x = range.axis.p2c(range.to); + } + + if (o.selection.mode == "x") { + selection.first.y = 0; + selection.second.y = plot.height(); + } + else { + range = extractRange(ranges, "y"); + + selection.first.y = range.axis.p2c(range.from); + selection.second.y = range.axis.p2c(range.to); + } + + selection.show = true; + plot.triggerRedrawOverlay(); + if (!preventEvent && selectionIsSane()) + triggerSelectedEvent(); + } + + function selectionIsSane() { + var minSize = plot.getOptions().selection.minSize; + return Math.abs(selection.second.x - selection.first.x) >= minSize && + Math.abs(selection.second.y - selection.first.y) >= minSize; + } + + plot.clearSelection = clearSelection; + plot.setSelection = setSelection; + plot.getSelection = getSelection; + + plot.hooks.bindEvents.push(function(plot, eventHolder) { + var o = plot.getOptions(); + if (o.selection.mode != null) { + eventHolder.mousemove(onMouseMove); + eventHolder.mousedown(onMouseDown); + } + }); + + + plot.hooks.drawOverlay.push(function (plot, ctx) { + // draw selection + if (selection.show && selectionIsSane()) { + var plotOffset = plot.getPlotOffset(); + var o = plot.getOptions(); + + ctx.save(); + ctx.translate(plotOffset.left, plotOffset.top); + + var c = $.color.parse(o.selection.color); + + ctx.strokeStyle = c.scale('a', 0.8).toString(); + ctx.lineWidth = 1; + ctx.lineJoin = o.selection.shape; + ctx.fillStyle = c.scale('a', 0.4).toString(); + + var x = Math.min(selection.first.x, selection.second.x) + 0.5, + y = Math.min(selection.first.y, selection.second.y) + 0.5, + w = Math.abs(selection.second.x - selection.first.x) - 1, + h = Math.abs(selection.second.y - selection.first.y) - 1; + + ctx.fillRect(x, y, w, h); + ctx.strokeRect(x, y, w, h); + + ctx.restore(); + } + }); + + plot.hooks.shutdown.push(function (plot, eventHolder) { + eventHolder.unbind("mousemove", onMouseMove); + eventHolder.unbind("mousedown", onMouseDown); + + if (mouseUpHandler) + $(document).unbind("mouseup", mouseUpHandler); + }); + + } + + $.plot.plugins.push({ + init: init, + options: { + selection: { + mode: null, // one of null, "x", "y" or "xy" + color: "#e8cfac", + shape: "round", // one of "round", "miter", or "bevel" + minSize: 5 // minimum number of pixels + } + }, + name: 'selection', + version: '1.1' + }); +})(jQuery); diff --git a/LNbits/static/plugins/flot/jquery.flot.selection.min.js b/LNbits/static/plugins/flot/jquery.flot.selection.min.js new file mode 100644 index 00000000..6e319781 --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.selection.min.js @@ -0,0 +1 @@ +(function($){function init(plot){var selection={first:{x:-1,y:-1},second:{x:-1,y:-1},show:false,active:false};var savedhandlers={};var mouseUpHandler=null;function onMouseMove(e){if(selection.active){updateSelection(e);plot.getPlaceholder().trigger("plotselecting",[getSelection()])}}function onMouseDown(e){if(e.which!=1)return;document.body.focus();if(document.onselectstart!==undefined&&savedhandlers.onselectstart==null){savedhandlers.onselectstart=document.onselectstart;document.onselectstart=function(){return false}}if(document.ondrag!==undefined&&savedhandlers.ondrag==null){savedhandlers.ondrag=document.ondrag;document.ondrag=function(){return false}}setSelectionPos(selection.first,e);selection.active=true;mouseUpHandler=function(e){onMouseUp(e)};$(document).one("mouseup",mouseUpHandler)}function onMouseUp(e){mouseUpHandler=null;if(document.onselectstart!==undefined)document.onselectstart=savedhandlers.onselectstart;if(document.ondrag!==undefined)document.ondrag=savedhandlers.ondrag;selection.active=false;updateSelection(e);if(selectionIsSane())triggerSelectedEvent();else{plot.getPlaceholder().trigger("plotunselected",[]);plot.getPlaceholder().trigger("plotselecting",[null])}return false}function getSelection(){if(!selectionIsSane())return null;if(!selection.show)return null;var r={},c1=selection.first,c2=selection.second;$.each(plot.getAxes(),function(name,axis){if(axis.used){var p1=axis.c2p(c1[axis.direction]),p2=axis.c2p(c2[axis.direction]);r[name]={from:Math.min(p1,p2),to:Math.max(p1,p2)}}});return r}function triggerSelectedEvent(){var r=getSelection();plot.getPlaceholder().trigger("plotselected",[r]);if(r.xaxis&&r.yaxis)plot.getPlaceholder().trigger("selected",[{x1:r.xaxis.from,y1:r.yaxis.from,x2:r.xaxis.to,y2:r.yaxis.to}])}function clamp(min,value,max){return valuemax?max:value}function setSelectionPos(pos,e){var o=plot.getOptions();var offset=plot.getPlaceholder().offset();var plotOffset=plot.getPlotOffset();pos.x=clamp(0,e.pageX-offset.left-plotOffset.left,plot.width());pos.y=clamp(0,e.pageY-offset.top-plotOffset.top,plot.height());if(o.selection.mode=="y")pos.x=pos==selection.first?0:plot.width();if(o.selection.mode=="x")pos.y=pos==selection.first?0:plot.height()}function updateSelection(pos){if(pos.pageX==null)return;setSelectionPos(selection.second,pos);if(selectionIsSane()){selection.show=true;plot.triggerRedrawOverlay()}else clearSelection(true)}function clearSelection(preventEvent){if(selection.show){selection.show=false;plot.triggerRedrawOverlay();if(!preventEvent)plot.getPlaceholder().trigger("plotunselected",[])}}function extractRange(ranges,coord){var axis,from,to,key,axes=plot.getAxes();for(var k in axes){axis=axes[k];if(axis.direction==coord){key=coord+axis.n+"axis";if(!ranges[key]&&axis.n==1)key=coord+"axis";if(ranges[key]){from=ranges[key].from;to=ranges[key].to;break}}}if(!ranges[key]){axis=coord=="x"?plot.getXAxes()[0]:plot.getYAxes()[0];from=ranges[coord+"1"];to=ranges[coord+"2"]}if(from!=null&&to!=null&&from>to){var tmp=from;from=to;to=tmp}return{from:from,to:to,axis:axis}}function setSelection(ranges,preventEvent){var axis,range,o=plot.getOptions();if(o.selection.mode=="y"){selection.first.x=0;selection.second.x=plot.width()}else{range=extractRange(ranges,"x");selection.first.x=range.axis.p2c(range.from);selection.second.x=range.axis.p2c(range.to)}if(o.selection.mode=="x"){selection.first.y=0;selection.second.y=plot.height()}else{range=extractRange(ranges,"y");selection.first.y=range.axis.p2c(range.from);selection.second.y=range.axis.p2c(range.to)}selection.show=true;plot.triggerRedrawOverlay();if(!preventEvent&&selectionIsSane())triggerSelectedEvent()}function selectionIsSane(){var minSize=plot.getOptions().selection.minSize;return Math.abs(selection.second.x-selection.first.x)>=minSize&&Math.abs(selection.second.y-selection.first.y)>=minSize}plot.clearSelection=clearSelection;plot.setSelection=setSelection;plot.getSelection=getSelection;plot.hooks.bindEvents.push(function(plot,eventHolder){var o=plot.getOptions();if(o.selection.mode!=null){eventHolder.mousemove(onMouseMove);eventHolder.mousedown(onMouseDown)}});plot.hooks.drawOverlay.push(function(plot,ctx){if(selection.show&&selectionIsSane()){var plotOffset=plot.getPlotOffset();var o=plot.getOptions();ctx.save();ctx.translate(plotOffset.left,plotOffset.top);var c=$.color.parse(o.selection.color);ctx.strokeStyle=c.scale("a",.8).toString();ctx.lineWidth=1;ctx.lineJoin=o.selection.shape;ctx.fillStyle=c.scale("a",.4).toString();var x=Math.min(selection.first.x,selection.second.x)+.5,y=Math.min(selection.first.y,selection.second.y)+.5,w=Math.abs(selection.second.x-selection.first.x)-1,h=Math.abs(selection.second.y-selection.first.y)-1;ctx.fillRect(x,y,w,h);ctx.strokeRect(x,y,w,h);ctx.restore()}});plot.hooks.shutdown.push(function(plot,eventHolder){eventHolder.unbind("mousemove",onMouseMove);eventHolder.unbind("mousedown",onMouseDown);if(mouseUpHandler)$(document).unbind("mouseup",mouseUpHandler)})}$.plot.plugins.push({init:init,options:{selection:{mode:null,color:"#e8cfac",shape:"round",minSize:5}},name:"selection",version:"1.1"})})(jQuery); \ No newline at end of file diff --git a/LNbits/static/plugins/flot/jquery.flot.stack.js b/LNbits/static/plugins/flot/jquery.flot.stack.js new file mode 100644 index 00000000..c01de67d --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.stack.js @@ -0,0 +1,188 @@ +/* Flot plugin for stacking data sets rather than overlyaing them. + +Copyright (c) 2007-2013 IOLA and Ole Laursen. +Licensed under the MIT license. + +The plugin assumes the data is sorted on x (or y if stacking horizontally). +For line charts, it is assumed that if a line has an undefined gap (from a +null point), then the line above it should have the same gap - insert zeros +instead of "null" if you want another behaviour. This also holds for the start +and end of the chart. Note that stacking a mix of positive and negative values +in most instances doesn't make sense (so it looks weird). + +Two or more series are stacked when their "stack" attribute is set to the same +key (which can be any number or string or just "true"). To specify the default +stack, you can set the stack option like this: + + series: { + stack: null/false, true, or a key (number/string) + } + +You can also specify it for a single series, like this: + + $.plot( $("#placeholder"), [{ + data: [ ... ], + stack: true + }]) + +The stacking order is determined by the order of the data series in the array +(later series end up on top of the previous). + +Internally, the plugin modifies the datapoints in each series, adding an +offset to the y value. For line series, extra data points are inserted through +interpolation. If there's a second y value, it's also adjusted (e.g for bar +charts or filled areas). + +*/ + +(function ($) { + var options = { + series: { stack: null } // or number/string + }; + + function init(plot) { + function findMatchingSeries(s, allseries) { + var res = null; + for (var i = 0; i < allseries.length; ++i) { + if (s == allseries[i]) + break; + + if (allseries[i].stack == s.stack) + res = allseries[i]; + } + + return res; + } + + function stackData(plot, s, datapoints) { + if (s.stack == null || s.stack === false) + return; + + var other = findMatchingSeries(s, plot.getData()); + if (!other) + return; + + var ps = datapoints.pointsize, + points = datapoints.points, + otherps = other.datapoints.pointsize, + otherpoints = other.datapoints.points, + newpoints = [], + px, py, intery, qx, qy, bottom, + withlines = s.lines.show, + horizontal = s.bars.horizontal, + withbottom = ps > 2 && (horizontal ? datapoints.format[2].x : datapoints.format[2].y), + withsteps = withlines && s.lines.steps, + fromgap = true, + keyOffset = horizontal ? 1 : 0, + accumulateOffset = horizontal ? 0 : 1, + i = 0, j = 0, l, m; + + while (true) { + if (i >= points.length) + break; + + l = newpoints.length; + + if (points[i] == null) { + // copy gaps + for (m = 0; m < ps; ++m) + newpoints.push(points[i + m]); + i += ps; + } + else if (j >= otherpoints.length) { + // for lines, we can't use the rest of the points + if (!withlines) { + for (m = 0; m < ps; ++m) + newpoints.push(points[i + m]); + } + i += ps; + } + else if (otherpoints[j] == null) { + // oops, got a gap + for (m = 0; m < ps; ++m) + newpoints.push(null); + fromgap = true; + j += otherps; + } + else { + // cases where we actually got two points + px = points[i + keyOffset]; + py = points[i + accumulateOffset]; + qx = otherpoints[j + keyOffset]; + qy = otherpoints[j + accumulateOffset]; + bottom = 0; + + if (px == qx) { + for (m = 0; m < ps; ++m) + newpoints.push(points[i + m]); + + newpoints[l + accumulateOffset] += qy; + bottom = qy; + + i += ps; + j += otherps; + } + else if (px > qx) { + // we got past point below, might need to + // insert interpolated extra point + if (withlines && i > 0 && points[i - ps] != null) { + intery = py + (points[i - ps + accumulateOffset] - py) * (qx - px) / (points[i - ps + keyOffset] - px); + newpoints.push(qx); + newpoints.push(intery + qy); + for (m = 2; m < ps; ++m) + newpoints.push(points[i + m]); + bottom = qy; + } + + j += otherps; + } + else { // px < qx + if (fromgap && withlines) { + // if we come from a gap, we just skip this point + i += ps; + continue; + } + + for (m = 0; m < ps; ++m) + newpoints.push(points[i + m]); + + // we might be able to interpolate a point below, + // this can give us a better y + if (withlines && j > 0 && otherpoints[j - otherps] != null) + bottom = qy + (otherpoints[j - otherps + accumulateOffset] - qy) * (px - qx) / (otherpoints[j - otherps + keyOffset] - qx); + + newpoints[l + accumulateOffset] += bottom; + + i += ps; + } + + fromgap = false; + + if (l != newpoints.length && withbottom) + newpoints[l + 2] += bottom; + } + + // maintain the line steps invariant + if (withsteps && l != newpoints.length && l > 0 + && newpoints[l] != null + && newpoints[l] != newpoints[l - ps] + && newpoints[l + 1] != newpoints[l - ps + 1]) { + for (m = 0; m < ps; ++m) + newpoints[l + ps + m] = newpoints[l + m]; + newpoints[l + 1] = newpoints[l - ps + 1]; + } + } + + datapoints.points = newpoints; + } + + plot.hooks.processDatapoints.push(stackData); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'stack', + version: '1.2' + }); +})(jQuery); diff --git a/LNbits/static/plugins/flot/jquery.flot.stack.min.js b/LNbits/static/plugins/flot/jquery.flot.stack.min.js new file mode 100644 index 00000000..57785ebd --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.stack.min.js @@ -0,0 +1 @@ +(function($){var options={series:{stack:null}};function init(plot){function findMatchingSeries(s,allseries){var res=null;for(var i=0;i2&&(horizontal?datapoints.format[2].x:datapoints.format[2].y),withsteps=withlines&&s.lines.steps,fromgap=true,keyOffset=horizontal?1:0,accumulateOffset=horizontal?0:1,i=0,j=0,l,m;while(true){if(i>=points.length)break;l=newpoints.length;if(points[i]==null){for(m=0;m=otherpoints.length){if(!withlines){for(m=0;mqx){if(withlines&&i>0&&points[i-ps]!=null){intery=py+(points[i-ps+accumulateOffset]-py)*(qx-px)/(points[i-ps+keyOffset]-px);newpoints.push(qx);newpoints.push(intery+qy);for(m=2;m0&&otherpoints[j-otherps]!=null)bottom=qy+(otherpoints[j-otherps+accumulateOffset]-qy)*(px-qx)/(otherpoints[j-otherps+keyOffset]-qx);newpoints[l+accumulateOffset]+=bottom;i+=ps}fromgap=false;if(l!=newpoints.length&&withbottom)newpoints[l+2]+=bottom}if(withsteps&&l!=newpoints.length&&l>0&&newpoints[l]!=null&&newpoints[l]!=newpoints[l-ps]&&newpoints[l+1]!=newpoints[l-ps+1]){for(m=0;m s = r * sqrt(pi)/2 + var size = radius * Math.sqrt(Math.PI) / 2; + ctx.rect(x - size, y - size, size + size, size + size); + }, + diamond: function (ctx, x, y, radius, shadow) { + // pi * r^2 = 2s^2 => s = r * sqrt(pi/2) + var size = radius * Math.sqrt(Math.PI / 2); + ctx.moveTo(x - size, y); + ctx.lineTo(x, y - size); + ctx.lineTo(x + size, y); + ctx.lineTo(x, y + size); + ctx.lineTo(x - size, y); + }, + triangle: function (ctx, x, y, radius, shadow) { + // pi * r^2 = 1/2 * s^2 * sin (pi / 3) => s = r * sqrt(2 * pi / sin(pi / 3)) + var size = radius * Math.sqrt(2 * Math.PI / Math.sin(Math.PI / 3)); + var height = size * Math.sin(Math.PI / 3); + ctx.moveTo(x - size/2, y + height/2); + ctx.lineTo(x + size/2, y + height/2); + if (!shadow) { + ctx.lineTo(x, y - height/2); + ctx.lineTo(x - size/2, y + height/2); + } + }, + cross: function (ctx, x, y, radius, shadow) { + // pi * r^2 = (2s)^2 => s = r * sqrt(pi)/2 + var size = radius * Math.sqrt(Math.PI) / 2; + ctx.moveTo(x - size, y - size); + ctx.lineTo(x + size, y + size); + ctx.moveTo(x - size, y + size); + ctx.lineTo(x + size, y - size); + } + }; + + var s = series.points.symbol; + if (handlers[s]) + series.points.symbol = handlers[s]; + } + + function init(plot) { + plot.hooks.processDatapoints.push(processRawData); + } + + $.plot.plugins.push({ + init: init, + name: 'symbols', + version: '1.0' + }); +})(jQuery); diff --git a/LNbits/static/plugins/flot/jquery.flot.symbol.min.js b/LNbits/static/plugins/flot/jquery.flot.symbol.min.js new file mode 100644 index 00000000..3eab213e --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.symbol.min.js @@ -0,0 +1 @@ +(function($){function processRawData(plot,series,datapoints){var handlers={square:function(ctx,x,y,radius,shadow){var size=radius*Math.sqrt(Math.PI)/2;ctx.rect(x-size,y-size,size+size,size+size)},diamond:function(ctx,x,y,radius,shadow){var size=radius*Math.sqrt(Math.PI/2);ctx.moveTo(x-size,y);ctx.lineTo(x,y-size);ctx.lineTo(x+size,y);ctx.lineTo(x,y+size);ctx.lineTo(x-size,y)},triangle:function(ctx,x,y,radius,shadow){var size=radius*Math.sqrt(2*Math.PI/Math.sin(Math.PI/3));var height=size*Math.sin(Math.PI/3);ctx.moveTo(x-size/2,y+height/2);ctx.lineTo(x+size/2,y+height/2);if(!shadow){ctx.lineTo(x,y-height/2);ctx.lineTo(x-size/2,y+height/2)}},cross:function(ctx,x,y,radius,shadow){var size=radius*Math.sqrt(Math.PI)/2;ctx.moveTo(x-size,y-size);ctx.lineTo(x+size,y+size);ctx.moveTo(x-size,y+size);ctx.lineTo(x+size,y-size)}};var s=series.points.symbol;if(handlers[s])series.points.symbol=handlers[s]}function init(plot){plot.hooks.processDatapoints.push(processRawData)}$.plot.plugins.push({init:init,name:"symbols",version:"1.0"})})(jQuery); \ No newline at end of file diff --git a/LNbits/static/plugins/flot/jquery.flot.threshold.js b/LNbits/static/plugins/flot/jquery.flot.threshold.js new file mode 100644 index 00000000..2f6e6359 --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.threshold.js @@ -0,0 +1,142 @@ +/* Flot plugin for thresholding data. + +Copyright (c) 2007-2013 IOLA and Ole Laursen. +Licensed under the MIT license. + +The plugin supports these options: + + series: { + threshold: { + below: number + color: colorspec + } + } + +It can also be applied to a single series, like this: + + $.plot( $("#placeholder"), [{ + data: [ ... ], + threshold: { ... } + }]) + +An array can be passed for multiple thresholding, like this: + + threshold: [{ + below: number1 + color: color1 + },{ + below: number2 + color: color2 + }] + +These multiple threshold objects can be passed in any order since they are +sorted by the processing function. + +The data points below "below" are drawn with the specified color. This makes +it easy to mark points below 0, e.g. for budget data. + +Internally, the plugin works by splitting the data into two series, above and +below the threshold. The extra series below the threshold will have its label +cleared and the special "originSeries" attribute set to the original series. +You may need to check for this in hover events. + +*/ + +(function ($) { + var options = { + series: { threshold: null } // or { below: number, color: color spec} + }; + + function init(plot) { + function thresholdData(plot, s, datapoints, below, color) { + var ps = datapoints.pointsize, i, x, y, p, prevp, + thresholded = $.extend({}, s); // note: shallow copy + + thresholded.datapoints = { points: [], pointsize: ps, format: datapoints.format }; + thresholded.label = null; + thresholded.color = color; + thresholded.threshold = null; + thresholded.originSeries = s; + thresholded.data = []; + + var origpoints = datapoints.points, + addCrossingPoints = s.lines.show; + + var threspoints = []; + var newpoints = []; + var m; + + for (i = 0; i < origpoints.length; i += ps) { + x = origpoints[i]; + y = origpoints[i + 1]; + + prevp = p; + if (y < below) + p = threspoints; + else + p = newpoints; + + if (addCrossingPoints && prevp != p && x != null + && i > 0 && origpoints[i - ps] != null) { + var interx = x + (below - y) * (x - origpoints[i - ps]) / (y - origpoints[i - ps + 1]); + prevp.push(interx); + prevp.push(below); + for (m = 2; m < ps; ++m) + prevp.push(origpoints[i + m]); + + p.push(null); // start new segment + p.push(null); + for (m = 2; m < ps; ++m) + p.push(origpoints[i + m]); + p.push(interx); + p.push(below); + for (m = 2; m < ps; ++m) + p.push(origpoints[i + m]); + } + + p.push(x); + p.push(y); + for (m = 2; m < ps; ++m) + p.push(origpoints[i + m]); + } + + datapoints.points = newpoints; + thresholded.datapoints.points = threspoints; + + if (thresholded.datapoints.points.length > 0) { + var origIndex = $.inArray(s, plot.getData()); + // Insert newly-generated series right after original one (to prevent it from becoming top-most) + plot.getData().splice(origIndex + 1, 0, thresholded); + } + + // FIXME: there are probably some edge cases left in bars + } + + function processThresholds(plot, s, datapoints) { + if (!s.threshold) + return; + + if (s.threshold instanceof Array) { + s.threshold.sort(function(a, b) { + return a.below - b.below; + }); + + $(s.threshold).each(function(i, th) { + thresholdData(plot, s, datapoints, th.below, th.color); + }); + } + else { + thresholdData(plot, s, datapoints, s.threshold.below, s.threshold.color); + } + } + + plot.hooks.processDatapoints.push(processThresholds); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'threshold', + version: '1.2' + }); +})(jQuery); diff --git a/LNbits/static/plugins/flot/jquery.flot.threshold.min.js b/LNbits/static/plugins/flot/jquery.flot.threshold.min.js new file mode 100644 index 00000000..a53849a5 --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.threshold.min.js @@ -0,0 +1 @@ +(function($){var options={series:{threshold:null}};function init(plot){function thresholdData(plot,s,datapoints,below,color){var ps=datapoints.pointsize,i,x,y,p,prevp,thresholded=$.extend({},s);thresholded.datapoints={points:[],pointsize:ps,format:datapoints.format};thresholded.label=null;thresholded.color=color;thresholded.threshold=null;thresholded.originSeries=s;thresholded.data=[];var origpoints=datapoints.points,addCrossingPoints=s.lines.show;var threspoints=[];var newpoints=[];var m;for(i=0;i0&&origpoints[i-ps]!=null){var interx=x+(below-y)*(x-origpoints[i-ps])/(y-origpoints[i-ps+1]);prevp.push(interx);prevp.push(below);for(m=2;m0){var origIndex=$.inArray(s,plot.getData());plot.getData().splice(origIndex+1,0,thresholded)}}function processThresholds(plot,s,datapoints){if(!s.threshold)return;if(s.threshold instanceof Array){s.threshold.sort(function(a,b){return a.below-b.below});$(s.threshold).each(function(i,th){thresholdData(plot,s,datapoints,th.below,th.color)})}else{thresholdData(plot,s,datapoints,s.threshold.below,s.threshold.color)}}plot.hooks.processDatapoints.push(processThresholds)}$.plot.plugins.push({init:init,options:options,name:"threshold",version:"1.2"})})(jQuery); \ No newline at end of file diff --git a/LNbits/static/plugins/flot/jquery.flot.time.js b/LNbits/static/plugins/flot/jquery.flot.time.js new file mode 100644 index 00000000..ac9e666a --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.time.js @@ -0,0 +1,429 @@ +/* Pretty handling of time axes. + +Copyright (c) 2007-2013 IOLA and Ole Laursen. +Licensed under the MIT license. + +Set axis.mode to "time" to enable. See the section "Time series data" in +API.txt for details. + +*/ + +(function($) { + + var options = { + xaxis: { + timezone: null, // "browser" for local to the client or timezone for timezone-js + timeformat: null, // format string to use + twelveHourClock: false, // 12 or 24 time in time mode + monthNames: null // list of names of months + } + }; + + // round to nearby lower multiple of base + + function floorInBase(n, base) { + return base * Math.floor(n / base); + } + + // Returns a string with the date d formatted according to fmt. + // A subset of the Open Group's strftime format is supported. + + function formatDate(d, fmt, monthNames, dayNames) { + + if (typeof d.strftime == "function") { + return d.strftime(fmt); + } + + var leftPad = function(n, pad) { + n = "" + n; + pad = "" + (pad == null ? "0" : pad); + return n.length == 1 ? pad + n : n; + }; + + var r = []; + var escape = false; + var hours = d.getHours(); + var isAM = hours < 12; + + if (monthNames == null) { + monthNames = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]; + } + + if (dayNames == null) { + dayNames = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"]; + } + + var hours12; + + if (hours > 12) { + hours12 = hours - 12; + } else if (hours == 0) { + hours12 = 12; + } else { + hours12 = hours; + } + + for (var i = 0; i < fmt.length; ++i) { + + var c = fmt.charAt(i); + + if (escape) { + switch (c) { + case 'a': c = "" + dayNames[d.getDay()]; break; + case 'b': c = "" + monthNames[d.getMonth()]; break; + case 'd': c = leftPad(d.getDate()); break; + case 'e': c = leftPad(d.getDate(), " "); break; + case 'h': // For back-compat with 0.7; remove in 1.0 + case 'H': c = leftPad(hours); break; + case 'I': c = leftPad(hours12); break; + case 'l': c = leftPad(hours12, " "); break; + case 'm': c = leftPad(d.getMonth() + 1); break; + case 'M': c = leftPad(d.getMinutes()); break; + // quarters not in Open Group's strftime specification + case 'q': + c = "" + (Math.floor(d.getMonth() / 3) + 1); break; + case 'S': c = leftPad(d.getSeconds()); break; + case 'y': c = leftPad(d.getFullYear() % 100); break; + case 'Y': c = "" + d.getFullYear(); break; + case 'p': c = (isAM) ? ("" + "am") : ("" + "pm"); break; + case 'P': c = (isAM) ? ("" + "AM") : ("" + "PM"); break; + case 'w': c = "" + d.getDay(); break; + } + r.push(c); + escape = false; + } else { + if (c == "%") { + escape = true; + } else { + r.push(c); + } + } + } + + return r.join(""); + } + + // To have a consistent view of time-based data independent of which time + // zone the client happens to be in we need a date-like object independent + // of time zones. This is done through a wrapper that only calls the UTC + // versions of the accessor methods. + + function makeUtcWrapper(d) { + + function addProxyMethod(sourceObj, sourceMethod, targetObj, targetMethod) { + sourceObj[sourceMethod] = function() { + return targetObj[targetMethod].apply(targetObj, arguments); + }; + } + var utc = { + date: d + }; + + // support strftime, if found + + if (d.strftime != undefined) { + addProxyMethod(utc, "strftime", d, "strftime"); + } + + addProxyMethod(utc, "getTime", d, "getTime"); + addProxyMethod(utc, "setTime", d, "setTime"); + + var props = ["Date", "Day", "FullYear", "Hours", "Milliseconds", "Minutes", "Month", "Seconds"]; + + for (var p = 0; p < props.length; p++) { + addProxyMethod(utc, "get" + props[p], d, "getUTC" + props[p]); + addProxyMethod(utc, "set" + props[p], d, "setUTC" + props[p]); + } + + return utc; + } + // select time zone strategy. This returns a date-like object tied to the + // desired timezone + + function dateGenerator(ts, opts) { + if (opts.timezone == "browser") { + return new Date(ts); + } else if (!opts.timezone || opts.timezone == "utc") { + return makeUtcWrapper(new Date(ts)); + } else if (typeof timezoneJS != "undefined" && typeof timezoneJS.Date != "undefined") { + var d = new timezoneJS.Date(); + // timezone-js is fickle, so be sure to set the time zone before + // setting the time. + d.setTimezone(opts.timezone); + d.setTime(ts); + return d; + } else { + return makeUtcWrapper(new Date(ts)); + } + } + + // map of app. size of time units in milliseconds + + var timeUnitSize = { + "second": 1000, + "minute": 60 * 1000, + "hour": 60 * 60 * 1000, + "day": 24 * 60 * 60 * 1000, + "month": 30 * 24 * 60 * 60 * 1000, + "quarter": 3 * 30 * 24 * 60 * 60 * 1000, + "year": 365.2425 * 24 * 60 * 60 * 1000 + }; + + // the allowed tick sizes, after 1 year we use + // an integer algorithm + + var baseSpec = [ + [1, "second"], [2, "second"], [5, "second"], [10, "second"], + [30, "second"], + [1, "minute"], [2, "minute"], [5, "minute"], [10, "minute"], + [30, "minute"], + [1, "hour"], [2, "hour"], [4, "hour"], + [8, "hour"], [12, "hour"], + [1, "day"], [2, "day"], [3, "day"], + [0.25, "month"], [0.5, "month"], [1, "month"], + [2, "month"] + ]; + + // we don't know which variant(s) we'll need yet, but generating both is + // cheap + + var specMonths = baseSpec.concat([[3, "month"], [6, "month"], + [1, "year"]]); + var specQuarters = baseSpec.concat([[1, "quarter"], [2, "quarter"], + [1, "year"]]); + + function init(plot) { + plot.hooks.processOptions.push(function (plot, options) { + $.each(plot.getAxes(), function(axisName, axis) { + + var opts = axis.options; + + if (opts.mode == "time") { + axis.tickGenerator = function(axis) { + + var ticks = []; + var d = dateGenerator(axis.min, opts); + var minSize = 0; + + // make quarter use a possibility if quarters are + // mentioned in either of these options + + var spec = (opts.tickSize && opts.tickSize[1] === + "quarter") || + (opts.minTickSize && opts.minTickSize[1] === + "quarter") ? specQuarters : specMonths; + + if (opts.minTickSize != null) { + if (typeof opts.tickSize == "number") { + minSize = opts.tickSize; + } else { + minSize = opts.minTickSize[0] * timeUnitSize[opts.minTickSize[1]]; + } + } + + for (var i = 0; i < spec.length - 1; ++i) { + if (axis.delta < (spec[i][0] * timeUnitSize[spec[i][1]] + + spec[i + 1][0] * timeUnitSize[spec[i + 1][1]]) / 2 + && spec[i][0] * timeUnitSize[spec[i][1]] >= minSize) { + break; + } + } + + var size = spec[i][0]; + var unit = spec[i][1]; + + // special-case the possibility of several years + + if (unit == "year") { + + // if given a minTickSize in years, just use it, + // ensuring that it's an integer + + if (opts.minTickSize != null && opts.minTickSize[1] == "year") { + size = Math.floor(opts.minTickSize[0]); + } else { + + var magn = Math.pow(10, Math.floor(Math.log(axis.delta / timeUnitSize.year) / Math.LN10)); + var norm = (axis.delta / timeUnitSize.year) / magn; + + if (norm < 1.5) { + size = 1; + } else if (norm < 3) { + size = 2; + } else if (norm < 7.5) { + size = 5; + } else { + size = 10; + } + + size *= magn; + } + + // minimum size for years is 1 + + if (size < 1) { + size = 1; + } + } + + axis.tickSize = opts.tickSize || [size, unit]; + var tickSize = axis.tickSize[0]; + unit = axis.tickSize[1]; + + var step = tickSize * timeUnitSize[unit]; + + if (unit == "second") { + d.setSeconds(floorInBase(d.getSeconds(), tickSize)); + } else if (unit == "minute") { + d.setMinutes(floorInBase(d.getMinutes(), tickSize)); + } else if (unit == "hour") { + d.setHours(floorInBase(d.getHours(), tickSize)); + } else if (unit == "month") { + d.setMonth(floorInBase(d.getMonth(), tickSize)); + } else if (unit == "quarter") { + d.setMonth(3 * floorInBase(d.getMonth() / 3, + tickSize)); + } else if (unit == "year") { + d.setFullYear(floorInBase(d.getFullYear(), tickSize)); + } + + // reset smaller components + + d.setMilliseconds(0); + + if (step >= timeUnitSize.minute) { + d.setSeconds(0); + } + if (step >= timeUnitSize.hour) { + d.setMinutes(0); + } + if (step >= timeUnitSize.day) { + d.setHours(0); + } + if (step >= timeUnitSize.day * 4) { + d.setDate(1); + } + if (step >= timeUnitSize.month * 2) { + d.setMonth(floorInBase(d.getMonth(), 3)); + } + if (step >= timeUnitSize.quarter * 2) { + d.setMonth(floorInBase(d.getMonth(), 6)); + } + if (step >= timeUnitSize.year) { + d.setMonth(0); + } + + var carry = 0; + var v = Number.NaN; + var prev; + + do { + + prev = v; + v = d.getTime(); + ticks.push(v); + + if (unit == "month" || unit == "quarter") { + if (tickSize < 1) { + + // a bit complicated - we'll divide the + // month/quarter up but we need to take + // care of fractions so we don't end up in + // the middle of a day + + d.setDate(1); + var start = d.getTime(); + d.setMonth(d.getMonth() + + (unit == "quarter" ? 3 : 1)); + var end = d.getTime(); + d.setTime(v + carry * timeUnitSize.hour + (end - start) * tickSize); + carry = d.getHours(); + d.setHours(0); + } else { + d.setMonth(d.getMonth() + + tickSize * (unit == "quarter" ? 3 : 1)); + } + } else if (unit == "year") { + d.setFullYear(d.getFullYear() + tickSize); + } else { + d.setTime(v + step); + } + } while (v < axis.max && v != prev); + + return ticks; + }; + + axis.tickFormatter = function (v, axis) { + + var d = dateGenerator(v, axis.options); + + // first check global format + + if (opts.timeformat != null) { + return formatDate(d, opts.timeformat, opts.monthNames, opts.dayNames); + } + + // possibly use quarters if quarters are mentioned in + // any of these places + + var useQuarters = (axis.options.tickSize && + axis.options.tickSize[1] == "quarter") || + (axis.options.minTickSize && + axis.options.minTickSize[1] == "quarter"); + + var t = axis.tickSize[0] * timeUnitSize[axis.tickSize[1]]; + var span = axis.max - axis.min; + var suffix = (opts.twelveHourClock) ? " %p" : ""; + var hourCode = (opts.twelveHourClock) ? "%I" : "%H"; + var fmt; + + if (t < timeUnitSize.minute) { + fmt = hourCode + ":%M:%S" + suffix; + } else if (t < timeUnitSize.day) { + if (span < 2 * timeUnitSize.day) { + fmt = hourCode + ":%M" + suffix; + } else { + fmt = "%b %d " + hourCode + ":%M" + suffix; + } + } else if (t < timeUnitSize.month) { + fmt = "%b %d"; + } else if ((useQuarters && t < timeUnitSize.quarter) || + (!useQuarters && t < timeUnitSize.year)) { + if (span < timeUnitSize.year) { + fmt = "%b"; + } else { + fmt = "%b %Y"; + } + } else if (useQuarters && t < timeUnitSize.year) { + if (span < timeUnitSize.year) { + fmt = "Q%q"; + } else { + fmt = "Q%q %Y"; + } + } else { + fmt = "%Y"; + } + + var rt = formatDate(d, fmt, opts.monthNames, opts.dayNames); + + return rt; + }; + } + }); + }); + } + + $.plot.plugins.push({ + init: init, + options: options, + name: 'time', + version: '1.0' + }); + + // Time-axis support used to be in Flot core, which exposed the + // formatDate function on the plot object. Various plugins depend + // on the function, so we need to re-expose it here. + + $.plot.formatDate = formatDate; + +})(jQuery); diff --git a/LNbits/static/plugins/flot/jquery.flot.time.min.js b/LNbits/static/plugins/flot/jquery.flot.time.min.js new file mode 100644 index 00000000..aaf319c9 --- /dev/null +++ b/LNbits/static/plugins/flot/jquery.flot.time.min.js @@ -0,0 +1 @@ +(function($){var options={xaxis:{timezone:null,timeformat:null,twelveHourClock:false,monthNames:null}};function floorInBase(n,base){return base*Math.floor(n/base)}function formatDate(d,fmt,monthNames,dayNames){if(typeof d.strftime=="function"){return d.strftime(fmt)}var leftPad=function(n,pad){n=""+n;pad=""+(pad==null?"0":pad);return n.length==1?pad+n:n};var r=[];var escape=false;var hours=d.getHours();var isAM=hours<12;if(monthNames==null){monthNames=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"]}if(dayNames==null){dayNames=["Sun","Mon","Tue","Wed","Thu","Fri","Sat"]}var 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0";if(this.rootElement){n=this.rootElement.node.getElementsByTagName("shape");for(i=0,s=n.length;i=0)e-=t[i],i++;return i==this.scale.length-1?e=this.vectorToNum(this.scale[i]):e=this.vectorToNum(this.vectorAdd(this.scale[i],this.vectorMult(this.vectorSubtract(this.scale[i+1],this.scale[i]),e/t[i]))),e},vectorToNum:function(e){var t=0,n;for(n=0;nt&&(t=e[i]),r0?1:e<0?-1:e},mill:function(e,t,n){return{x:this.radius*(t-n)*this.radDeg,y:-this.radius*Math.log(Math.tan((45+.4*e)*this.radDeg))/.8}},mill_inv:function(e,t,n){return{lat:(2.5*Math.atan(Math.exp(.8*t/this.radius))-5*Math.PI/8)*this.degRad,lng:(n*this.radDeg+e/this.radius)*this.degRad}},merc:function(e,t,n){return{x:this.radius*(t-n)*this.radDeg,y:-this.radius*Math.log(Math.tan(Math.PI/4+e*Math.PI/360))}},merc_inv:function(e,t,n){return{lat:(2*Math.atan(Math.exp(t/this.radius))-Math.PI/2)*this.degRad,lng:(n*this.radDeg+e/this.radius)*this.degRad}},aea:function(e,t,n){var r=0,i=n*this.radDeg,s=29.5*this.radDeg,o=45.5*this.radDeg,u=e*this.radDeg,a=t*this.radDeg,f=(Math.sin(s)+Math.sin(o))/2,l=Math.cos(s)*Math.cos(s)+2*f*Math.sin(s),c=f*(a-i),h=Math.sqrt(l-2*f*Math.sin(u))/f,p=Math.sqrt(l-2*f*Math.sin(r))/f;return{x:h*Math.sin(c)*this.radius,y:-(p-h*Math.cos(c))*this.radius}},aea_inv:function(e,t,n){var r=e/this.radius,i=t/this.radius,s=0,o=n*this.radDeg,u=29.5*this.radDeg,a=45.5*this.radDeg,f=(Math.sin(u)+Math.sin(a))/2,l=Math.cos(u)*Math.cos(u)+2*f*Math.sin(u),c=Math.sqrt(l-2*f*Math.sin(s))/f,h=Math.sqrt(r*r+(c-i)*(c-i)),p=Math.atan(r/(c-i));return{lat:Math.asin((l-h*h*f*f)/(2*f))*this.degRad,lng:(o+p/f)*this.degRad}},lcc:function(e,t,n){var r=0,i=n*this.radDeg,s=t*this.radDeg,o=33*this.radDeg,u=45*this.radDeg,a=e*this.radDeg,f=Math.log(Math.cos(o)*(1/Math.cos(u)))/Math.log(Math.tan(Math.PI/4+u/2)*(1/Math.tan(Math.PI/4+o/2))),l=Math.cos(o)*Math.pow(Math.tan(Math.PI/4+o/2),f)/f,c=l*Math.pow(1/Math.tan(Math.PI/4+a/2),f),h=l*Math.pow(1/Math.tan(Math.PI/4+r/2),f);return{x:c*Math.sin(f*(s-i))*this.radius,y:-(h-c*Math.cos(f*(s-i)))*this.radius}},lcc_inv:function(e,t,n){var r=e/this.radius,i=t/this.radius,s=0,o=n*this.radDeg,u=33*this.radDeg,a=45*this.radDeg,f=Math.log(Math.cos(u)*(1/Math.cos(a)))/Math.log(Math.tan(Math.PI/4+a/2)*(1/Math.tan(Math.PI/4+u/2))),l=Math.cos(u)*Math.pow(Math.tan(Math.PI/4+u/2),f)/f,c=l*Math.pow(1/Math.tan(Math.PI/4+s/2),f),h=this.sgn(f)*Math.sqrt(r*r+(c-i)*(c-i)),p=Math.atan(r/(c-i));return{lat:(2*Math.atan(Math.pow(l/h,1/f))-Math.PI/2)*this.degRad,lng:(o+p/f)*this.degRad}}},jvm.WorldMap=function(e){var t=this,n;this.params=jvm.$.extend(!0,{},jvm.WorldMap.defaultParams,e);if(!jvm.WorldMap.maps[this.params.map])throw new Error("Attempt to use map which was not loaded: "+this.params.map);this.mapData=jvm.WorldMap.maps[this.params.map],this.markers={},this.regions={},this.regionsColors={},this.regionsData={},this.container=jvm.$("
    ").css({width:"100%",height:"100%"}).addClass("jvectormap-container"),this.params.container.append(this.container),this.container.data("mapObject",this),this.container.css({position:"relative",overflow:"hidden"}),this.defaultWidth=this.mapData.width,this.defaultHeight=this.mapData.height,this.setBackgroundColor(this.params.backgroundColor),this.onResize=function(){t.setSize()},jvm.$(window).resize(this.onResize);for(n in jvm.WorldMap.apiEvents)this.params[n]&&this.container.bind(jvm.WorldMap.apiEvents[n]+".jvectormap",this.params[n]);this.canvas=new jvm.VectorCanvas(this.container[0],this.width,this.height),"ontouchstart"in window||window.DocumentTouch&&document instanceof DocumentTouch?this.params.bindTouchEvents&&this.bindContainerTouchEvents():this.bindContainerEvents(),this.bindElementEvents(),this.createLabel(),this.params.zoomButtons&&this.bindZoomButtons(),this.createRegions(),this.createMarkers(this.params.markers||{}),this.setSize(),this.params.focusOn&&(typeof this.params.focusOn=="object"?this.setFocus.call(this,this.params.focusOn.scale,this.params.focusOn.x,this.params.focusOn.y):this.setFocus.call(this,this.params.focusOn)),this.params.selectedRegions&&this.setSelectedRegions(this.params.selectedRegions),this.params.selectedMarkers&&this.setSelectedMarkers(this.params.selectedMarkers),this.params.series&&this.createSeries()},jvm.WorldMap.prototype={transX:0,transY:0,scale:1,baseTransX:0,baseTransY:0,baseScale:1,width:0,height:0,setBackgroundColor:function(e){this.container.css("background-color",e)},resize:function(){var e=this.baseScale;this.width/this.height>this.defaultWidth/this.defaultHeight?(this.baseScale=this.height/this.defaultHeight,this.baseTransX=Math.abs(this.width-this.defaultWidth*this.baseScale)/(2*this.baseScale)):(this.baseScale=this.width/this.defaultWidth,this.baseTransY=Math.abs(this.height-this.defaultHeight*this.baseScale)/(2*this.baseScale)),this.scale*=this.baseScale/e,this.transX*=this.baseScale/e,this.transY*=this.baseScale/e},setSize:function(){this.width=this.container.width(),this.height=this.container.height(),this.resize(),this.canvas.setSize(this.width,this.height),this.applyTransform()},reset:function(){var e,t;for(e in this.series)for(t=0;tt?this.transY=t:this.transYe?this.transX=e:this.transXf[1].pageX?s=f[1].pageX+(f[0].pageX-f[1].pageX)/2:s=f[0].pageX+(f[1].pageX-f[0].pageX)/2,f[0].pageY>f[1].pageY?o=f[1].pageY+(f[0].pageY-f[1].pageY)/2:o=f[0].pageY+(f[1].pageY-f[0].pageY)/2,s-=l.left,o-=l.top,e=n.scale,t=Math.sqrt(Math.pow(f[0].pageX-f[1].pageX,2)+Math.pow(f[0].pageY-f[1].pageY,2)))),u=f.length};jvm.$(this.container).bind("touchstart",a),jvm.$(this.container).bind("touchmove",a)},bindElementEvents:function(){var e=this,t;this.container.mousemove(function(){t=!0}),this.container.delegate("[class~='jvectormap-element']","mouseover mouseout",function(t){var n=this,r=jvm.$(this).attr("class").baseVal?jvm.$(this).attr("class").baseVal:jvm.$(this).attr("class"),i=r.indexOf("jvectormap-region")===-1?"marker":"region",s=i=="region"?jvm.$(this).attr("data-code"):jvm.$(this).attr("data-index"),o=i=="region"?e.regions[s].element:e.markers[s].element,u=i=="region"?e.mapData.paths[s].name:e.markers[s].config.name||"",a=jvm.$.Event(i+"LabelShow.jvectormap"),f=jvm.$.Event(i+"Over.jvectormap");t.type=="mouseover"?(e.container.trigger(f,[s]),f.isDefaultPrevented()||o.setHovered(!0),e.label.text(u),e.container.trigger(a,[e.label,s]),a.isDefaultPrevented()||(e.label.show(),e.labelWidth=e.label.width(),e.labelHeight=e.label.height())):(o.setHovered(!1),e.label.hide(),e.container.trigger(i+"Out.jvectormap",[s]))}),this.container.delegate("[class~='jvectormap-element']","mousedown",function(e){t=!1}),this.container.delegate("[class~='jvectormap-element']","mouseup",function(n){var r=this,i=jvm.$(this).attr("class").baseVal?jvm.$(this).attr("class").baseVal:jvm.$(this).attr("class"),s=i.indexOf("jvectormap-region")===-1?"marker":"region",o=s=="region"?jvm.$(this).attr("data-code"):jvm.$(this).attr("data-index"),u=jvm.$.Event(s+"Click.jvectormap"),a=s=="region"?e.regions[o].element:e.markers[o].element;if(!t){e.container.trigger(u,[o]);if(s==="region"&&e.params.regionsSelectable||s==="marker"&&e.params.markersSelectable)u.isDefaultPrevented()||(e.params[s+"sSelectableOne"]&&e.clearSelected(s+"s"),a.setSelected(!a.isSelected))}})},bindZoomButtons:function(){var e=this;jvm.$("
    ").addClass("jvectormap-zoomin").text("+").appendTo(this.container),jvm.$("
    ").addClass("jvectormap-zoomout").html("−").appendTo(this.container),this.container.find(".jvectormap-zoomin").click(function(){e.setScale(e.scale*e.params.zoomStep,e.width/2,e.height/2)}),this.container.find(".jvectormap-zoomout").click(function(){e.setScale(e.scale/e.params.zoomStep,e.width/2,e.height/2)})},createLabel:function(){var e=this;this.label=jvm.$("
    ").addClass("jvectormap-label").appendTo(jvm.$("body")),this.container.mousemove(function(t){var n=t.pageX-15-e.labelWidth,r=t.pageY-15-e.labelHeight;n<5&&(n=t.pageX+15),r<5&&(r=t.pageY+15),e.label.is(":visible")&&e.label.css({left:n,top:r})})},setScale:function(e,t,n,r){var i,s=jvm.$.Event("zoom.jvectormap");e>this.params.zoomMax*this.baseScale?e=this.params.zoomMax*this.baseScale:eu[0].x&&au[0].y&&fi[0].x&&ei[0].y&&t