76 lines
3.1 KiB
C#
76 lines
3.1 KiB
C#
using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.Entities;
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using System;
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using System.Windows;
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using System.Windows.Data;
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namespace MediaBrowser.UI.Converters
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{
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/// <summary>
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/// Class BaseItemImageVisibilityConverter
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/// </summary>
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class BaseItemImageVisibilityConverter : IValueConverter
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{
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/// <summary>
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/// Converts a value.
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/// </summary>
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/// <param name="value">The value produced by the binding source.</param>
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/// <param name="targetType">The type of the binding target property.</param>
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/// <param name="parameter">The converter parameter to use.</param>
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/// <param name="culture">The culture to use in the converter.</param>
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/// <returns>A converted value. If the method returns null, the valid null value is used.</returns>
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public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
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{
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var item = value as BaseItemDto;
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if (item != null)
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{
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var paramString = parameter as string;
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var vals = paramString.Split(',');
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var imageType = (ImageType)Enum.Parse(typeof(ImageType), vals[0], true);
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bool reverse = vals.Length > 1 && vals[1].Equals("reverse", StringComparison.OrdinalIgnoreCase);
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return GetVisibility(item, imageType, reverse);
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}
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return Visibility.Collapsed;
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}
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/// <summary>
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/// Gets the visibility.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="type">The type.</param>
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/// <param name="reverse">if set to <c>true</c> [reverse].</param>
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/// <returns>Visibility.</returns>
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private Visibility GetVisibility(BaseItemDto item, ImageType type, bool reverse)
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{
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var hasImageVisibility = reverse ? Visibility.Collapsed : Visibility.Visible;
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var hasNoImageVisibility = reverse ? Visibility.Visible : Visibility.Collapsed;
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if (type == ImageType.Logo)
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{
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return item.HasLogo || !string.IsNullOrEmpty(item.ParentLogoItemId) ? hasImageVisibility : hasNoImageVisibility;
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}
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return item.HasPrimaryImage ? hasImageVisibility : hasNoImageVisibility;
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}
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/// <summary>
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/// Converts a value.
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/// </summary>
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/// <param name="value">The value that is produced by the binding target.</param>
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/// <param name="targetType">The type to convert to.</param>
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/// <param name="parameter">The converter parameter to use.</param>
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/// <param name="culture">The culture to use in the converter.</param>
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/// <returns>A converted value. If the method returns null, the valid null value is used.</returns>
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/// <exception cref="System.NotImplementedException"></exception>
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public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
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{
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throw new NotImplementedException();
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}
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}
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}
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