jf-roku/components/IconButton.brs
2022-08-05 19:58:05 -04:00

80 lines
2.1 KiB
Plaintext

sub init()
m.buttonBackground = m.top.findNode("buttonBackground")
m.buttonIcon = m.top.findNode("buttonIcon")
m.buttonText = m.top.findNode("buttonText")
m.top.observeField("background", "onBackgroundChanged")
m.top.observeField("icon", "onIconChanged")
m.top.observeField("text", "onTextChanged")
m.top.observeField("height", "onHeightChanged")
m.top.observeField("width", "onWidthChanged")
m.top.observeField("padding", "onPaddingChanged")
m.top.observeField("focusedChild", "onFocusChanged")
end sub
sub onFocusChanged()
if m.top.hasFocus()
m.buttonBackground.blendColor = m.top.focusBackground
else
m.buttonBackground.blendColor = m.top.background
end if
end sub
sub onBackgroundChanged()
m.buttonBackground.blendColor = m.top.background
m.top.unobserveField("background")
end sub
sub onIconChanged()
m.buttonIcon.uri = m.top.icon
end sub
sub onTextChanged()
m.buttonText.text = m.top.text
end sub
sub setIconSize()
height = m.buttonBackground.height
width = m.buttonBackground.width
if height > 0 and width > 0
' TODO: Use smallest number between them
m.buttonIcon.height = m.top.height
if m.top.padding > 0
m.buttonIcon.height = m.buttonIcon.height - m.top.padding
end if
m.buttonIcon.width = m.buttonIcon.height
m.buttonIcon.translation = [((width - m.buttonIcon.width) / 2), ((height - m.buttonIcon.height) / 2)]
m.buttonText.translation = [0, height + 10]
m.buttonText.width = width
end if
end sub
sub onHeightChanged()
m.buttonBackground.height = m.top.height
setIconSize()
end sub
sub onWidthChanged()
m.buttonBackground.width = m.top.width
setIconSize()
end sub
sub onPaddingChanged()
setIconSize()
end sub
function onKeyEvent(key as string, press as boolean) as boolean
if not press then return false
if key = "OK" and m.top.hasFocus()
' Simply toggle the selected field to trigger the next event
m.top.selected = not m.top.selected
return true
end if
return false
end function