107 lines
3.3 KiB
C#
107 lines
3.3 KiB
C#
// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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using Microsoft.Maui.Handlers;
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using Microsoft.Maui.Graphics;
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using Microsoft.Maui.Controls;
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using Microsoft.Maui.Platform;
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using SkiaSharp;
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namespace Microsoft.Maui.Platform.Linux.Handlers;
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/// <summary>
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/// Handler for RadioButton on Linux using Skia rendering.
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/// </summary>
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public partial class RadioButtonHandler : ViewHandler<IRadioButton, SkiaRadioButton>
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{
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public static IPropertyMapper<IRadioButton, RadioButtonHandler> Mapper =
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new PropertyMapper<IRadioButton, RadioButtonHandler>(ViewHandler.ViewMapper)
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{
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[nameof(IRadioButton.IsChecked)] = MapIsChecked,
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[nameof(ITextStyle.TextColor)] = MapTextColor,
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[nameof(ITextStyle.Font)] = MapFont,
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[nameof(IView.Background)] = MapBackground,
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};
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public static CommandMapper<IRadioButton, RadioButtonHandler> CommandMapper =
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new(ViewHandler.ViewCommandMapper)
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{
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};
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public RadioButtonHandler() : base(Mapper, CommandMapper)
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{
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}
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public RadioButtonHandler(IPropertyMapper? mapper, CommandMapper? commandMapper = null)
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: base(mapper ?? Mapper, commandMapper ?? CommandMapper)
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{
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}
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protected override SkiaRadioButton CreatePlatformView()
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{
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return new SkiaRadioButton();
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}
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protected override void ConnectHandler(SkiaRadioButton platformView)
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{
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base.ConnectHandler(platformView);
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platformView.CheckedChanged += OnCheckedChanged;
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// Set content if available
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if (VirtualView is RadioButton rb)
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{
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platformView.Content = rb.Content?.ToString() ?? "";
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platformView.GroupName = rb.GroupName;
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platformView.Value = rb.Value;
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}
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}
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protected override void DisconnectHandler(SkiaRadioButton platformView)
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{
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platformView.CheckedChanged -= OnCheckedChanged;
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base.DisconnectHandler(platformView);
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}
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private void OnCheckedChanged(object? sender, EventArgs e)
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{
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if (VirtualView is null || PlatformView is null) return;
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VirtualView.IsChecked = PlatformView.IsChecked;
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}
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public static void MapIsChecked(RadioButtonHandler handler, IRadioButton radioButton)
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{
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if (handler.PlatformView is null) return;
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handler.PlatformView.IsChecked = radioButton.IsChecked;
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}
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public static void MapTextColor(RadioButtonHandler handler, IRadioButton radioButton)
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{
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if (handler.PlatformView is null) return;
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if (radioButton.TextColor is not null)
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{
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handler.PlatformView.TextColor = radioButton.TextColor.ToSKColor();
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}
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}
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public static void MapFont(RadioButtonHandler handler, IRadioButton radioButton)
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{
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if (handler.PlatformView is null) return;
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if (radioButton.Font.Size > 0)
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{
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handler.PlatformView.FontSize = (float)radioButton.Font.Size;
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}
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}
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public static void MapBackground(RadioButtonHandler handler, IRadioButton radioButton)
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{
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if (handler.PlatformView is null) return;
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if (radioButton.Background is SolidPaint solidPaint && solidPaint.Color is not null)
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{
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handler.PlatformView.BackgroundColor = solidPaint.Color.ToSKColor();
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}
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}
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}
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