47 lines
2.0 KiB
C#
47 lines
2.0 KiB
C#
using Ink_Canvas.Properties;
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using System;
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using System.Windows;
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using System.Windows.Input;
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using System.Windows.Media;
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namespace Ink_Canvas.Controls.Toolbar.Items
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{
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/// <summary>
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/// 通用 ToolbarImageButton 工具栏条目基类——大幅减少每个按钮的样板代码。
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/// 派生类通常只需给 Id / 本地化键 / Slot / Order / 点击处理 / Attach 回填。
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/// </summary>
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internal abstract class ToolbarImageButtonItemBase : IToolbarItem
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{
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public abstract string Id { get; }
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public abstract string LocalizationKey { get; }
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public abstract ToolbarSlot DefaultSlot { get; }
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public abstract int DefaultOrder { get; }
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public virtual bool DefaultVisible => true;
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public virtual ToolbarInsertPosition DefaultPosition => ToolbarInsertPosition.Prepend;
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public virtual string DefaultAnchorName => null;
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/// <summary>DynamicResource 名称，用于 IconBrush。默认为 null（使用控件自带前景色）。</summary>
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protected virtual string IconBrushResourceKey => null;
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protected abstract void OnClick(IToolbarHost host, object sender, MouseButtonEventArgs e);
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/// <summary>构建后调用，用于回填 MainWindow 的原命名属性（partial 扩展里的 Attach*）。可选。</summary>
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protected virtual void AfterBuild(IToolbarHost host, ToolbarImageButton view) { }
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public FrameworkElement BuildView(IToolbarHost host)
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{
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var btn = new ToolbarImageButton
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{
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Label = Strings.GetString(LocalizationKey) ?? LocalizationKey
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};
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if (!string.IsNullOrEmpty(IconBrushResourceKey))
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{
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if (btn.TryFindResource(IconBrushResourceKey) is Brush brush) btn.IconBrush = brush;
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else btn.SetResourceReference(ToolbarImageButton.IconBrushProperty, IconBrushResourceKey);
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}
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btn.ButtonMouseUp += (s, e) => OnClick(host, s, e);
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AfterBuild(host, btn);
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return btn;
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}
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}
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} |