add:浮动栏自定义

Ink Canvas/Controls/Toolbar/Items/ToolbarImageButtonItemBase.cs

@@ -0,0 +1,47 @@
+using Ink_Canvas.Properties;
+using System;
+using System.Windows;
+using System.Windows.Input;
+using System.Windows.Media;
+
+namespace Ink_Canvas.Controls.Toolbar.Items
+{
+    /// <summary>
+    /// 通用 ToolbarImageButton 工具栏条目基类——大幅减少每个按钮的样板代码。
+    /// 派生类通常只需给 Id / 本地化键 / Slot / Order / 点击处理 / Attach 回填。
+    /// </summary>
+    internal abstract class ToolbarImageButtonItemBase : IToolbarItem
+    {
+        public abstract string Id { get; }
+        public abstract string LocalizationKey { get; }
+        public abstract ToolbarSlot DefaultSlot { get; }
+        public abstract int DefaultOrder { get; }
+        public virtual bool DefaultVisible => true;
+        public virtual ToolbarInsertPosition DefaultPosition => ToolbarInsertPosition.Prepend;
+        public virtual string DefaultAnchorName => null;
+
+        /// <summary>DynamicResource 名称，用于 IconBrush。默认为 null（使用控件自带前景色）。</summary>
+        protected virtual string IconBrushResourceKey => null;
+
+        protected abstract void OnClick(IToolbarHost host, object sender, MouseButtonEventArgs e);
+
+        /// <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>
+        protected virtual void AfterBuild(IToolbarHost host, ToolbarImageButton view) { }
+
+        public FrameworkElement BuildView(IToolbarHost host)
+        {
+            var btn = new ToolbarImageButton
+            {
+                Label = Strings.GetString(LocalizationKey) ?? LocalizationKey
+            };
+            if (!string.IsNullOrEmpty(IconBrushResourceKey))
+            {
+                if (btn.TryFindResource(IconBrushResourceKey) is Brush brush) btn.IconBrush = brush;
+                else btn.SetResourceReference(ToolbarImageButton.IconBrushProperty, IconBrushResourceKey);
+            }
+            btn.ButtonMouseUp += (s, e) => OnClick(host, s, e);
+            AfterBuild(host, btn);
+            return btn;
+        }
+    }
+}