107 lines
3.7 KiB
C#
107 lines
3.7 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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namespace Microsoft.Maui.Platform;
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/// <summary>
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/// Linux handler for SearchBar control.
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/// </summary>
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public partial class SearchBarHandler : ViewHandler<ISearchBar, SkiaSearchBar>
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{
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public static IPropertyMapper<ISearchBar, SearchBarHandler> Mapper = new PropertyMapper<ISearchBar, SearchBarHandler>(ViewHandler.ViewMapper)
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{
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[nameof(ISearchBar.Text)] = MapText,
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[nameof(ISearchBar.Placeholder)] = MapPlaceholder,
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[nameof(ISearchBar.PlaceholderColor)] = MapPlaceholderColor,
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[nameof(ISearchBar.TextColor)] = MapTextColor,
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[nameof(ISearchBar.Font)] = MapFont,
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[nameof(IView.IsEnabled)] = MapIsEnabled,
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[nameof(IView.Background)] = MapBackground,
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};
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public static CommandMapper<ISearchBar, SearchBarHandler> CommandMapper = new(ViewHandler.ViewCommandMapper);
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public SearchBarHandler() : base(Mapper, CommandMapper) { }
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protected override SkiaSearchBar CreatePlatformView() => new SkiaSearchBar();
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protected override void ConnectHandler(SkiaSearchBar platformView)
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{
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base.ConnectHandler(platformView);
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platformView.TextChanged += OnTextChanged;
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platformView.SearchButtonPressed += OnSearchButtonPressed;
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}
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protected override void DisconnectHandler(SkiaSearchBar platformView)
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{
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platformView.TextChanged -= OnTextChanged;
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platformView.SearchButtonPressed -= OnSearchButtonPressed;
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base.DisconnectHandler(platformView);
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}
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private void OnTextChanged(object? sender, TextChangedEventArgs e)
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{
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if (VirtualView != null && VirtualView.Text != e.NewText)
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{
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VirtualView.Text = e.NewText;
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}
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}
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private void OnSearchButtonPressed(object? sender, EventArgs e)
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{
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VirtualView?.SearchButtonPressed();
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}
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public static void MapText(SearchBarHandler handler, ISearchBar searchBar)
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{
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if (handler.PlatformView.Text != searchBar.Text)
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{
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handler.PlatformView.Text = searchBar.Text ?? "";
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}
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}
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public static void MapPlaceholder(SearchBarHandler handler, ISearchBar searchBar)
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{
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handler.PlatformView.Placeholder = searchBar.Placeholder ?? "";
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handler.PlatformView.Invalidate();
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}
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public static void MapPlaceholderColor(SearchBarHandler handler, ISearchBar searchBar)
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{
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if (searchBar.PlaceholderColor != null)
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handler.PlatformView.PlaceholderColor = searchBar.PlaceholderColor.ToSKColor();
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handler.PlatformView.Invalidate();
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}
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public static void MapTextColor(SearchBarHandler handler, ISearchBar searchBar)
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{
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if (searchBar.TextColor != null)
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handler.PlatformView.TextColor = searchBar.TextColor.ToSKColor();
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handler.PlatformView.Invalidate();
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}
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public static void MapFont(SearchBarHandler handler, ISearchBar searchBar)
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{
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var font = searchBar.Font;
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if (font.Family != null)
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handler.PlatformView.FontFamily = font.Family;
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handler.PlatformView.FontSize = (float)font.Size;
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handler.PlatformView.Invalidate();
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}
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public static void MapIsEnabled(SearchBarHandler handler, ISearchBar searchBar)
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{
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handler.PlatformView.IsEnabled = searchBar.IsEnabled;
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handler.PlatformView.Invalidate();
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}
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public static void MapBackground(SearchBarHandler handler, ISearchBar searchBar)
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{
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if (searchBar.Background is SolidColorBrush solidBrush && solidBrush.Color != null)
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handler.PlatformView.BackgroundColor = solidBrush.Color.ToSKColor();
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handler.PlatformView.Invalidate();
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}
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}
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