Refactor SplitButtonToggleDropDownBehavior

Author: CodingOctocat

IPConfig/Behaviors/CopyContentsSplitButtonBehavior.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Animation;
+
+using HandyControl.Controls;
+
+using IPConfig.Languages;
+
+namespace IPConfig.Behaviors;
+
+public class CopyContentsSplitButtonBehavior : SplitButtonToggleDropDownBehavior
+{
+    private bool _canPlayTextAnimation;
+
+    protected override void OnAssociatedObjectClick(object sender, RoutedEventArgs e)
+    {
+        if (_canPlayTextAnimation)
+        {
+            AnimateText();
+
+            _canPlayTextAnimation = false;
+        }
+    }
+
+    protected override void OnAssociatedObjectPreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e, HitTestResult hitTestResult)
+    {
+        if (hitTestResult?.VisualHit is Border { Child: null } or TextBlock)
+        {
+            _canPlayTextAnimation = true;
+        }
+    }
+
+    private void AnimateText()
+    {
+        NameScope.SetNameScope(AssociatedObject, new NameScope());
+        string name = $"SplitButton_{Guid.NewGuid().ToString().Replace('-', '_')}";
+        AssociatedObject.RegisterName(name, AssociatedObject);
+
+        var keyFrames = new StringAnimationUsingKeyFrames {
+            Duration = new(TimeSpan.FromSeconds(1))
+        };
+
+        var frame = new DiscreteStringKeyFrame(Lang.Copied, KeyTime.FromTimeSpan(TimeSpan.Zero));
+        keyFrames.KeyFrames.Add(frame);
+
+        var story = new Storyboard { FillBehavior = FillBehavior.Stop };
+        Storyboard.SetTargetName(keyFrames, name);
+        Storyboard.SetTargetProperty(keyFrames, new PropertyPath(SplitButton.ContentProperty));
+        story.Children.Add(keyFrames);
+        story.Begin(AssociatedObject);
+    }
+}

IPConfig/Behaviors/SplitButtonToggleDropDownBehavior.cs

@@ -1,14 +1,11 @@
-using System;
-using System.Windows;
+using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Input;
 using System.Windows.Media;
-using System.Windows.Media.Animation;
 using System.Windows.Shapes;
 
 using HandyControl.Controls;
 
-using IPConfig.Languages;
-
 using Microsoft.Xaml.Behaviors;
 
 namespace IPConfig.Behaviors;
@@ -18,7 +15,11 @@ namespace IPConfig.Behaviors;
 /// </summary>
 public class SplitButtonToggleDropDownBehavior : Behavior<SplitButton>
 {
-    private bool _canPlayTextAnimation;
+    protected virtual void OnAssociatedObjectClick(object sender, RoutedEventArgs e)
+    { }
+
+    protected virtual void OnAssociatedObjectPreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e, HitTestResult hitTestResult)
+    { }
 
     protected override void OnAttached()
     {
@@ -36,51 +37,22 @@ protected override void OnDetaching()
         base.OnDetaching();
     }
 
-    private void AnimateText()
-    {
-        NameScope.SetNameScope(AssociatedObject, new NameScope());
-        string name = $"SplitButton_{Guid.NewGuid().ToString().Replace('-', '_')}";
-        AssociatedObject.RegisterName(name, AssociatedObject);
-
-        var keyFrames = new StringAnimationUsingKeyFrames {
-            Duration = new(TimeSpan.FromSeconds(1))
-        };
-
-        var frame = new DiscreteStringKeyFrame(Lang.Copied, KeyTime.FromTimeSpan(TimeSpan.Zero));
-        keyFrames.KeyFrames.Add(frame);
-
-        var story = new Storyboard { FillBehavior = FillBehavior.Stop };
-        Storyboard.SetTargetName(keyFrames, name);
-        Storyboard.SetTargetProperty(keyFrames, new PropertyPath(SplitButton.ContentProperty));
-        story.Children.Add(keyFrames);
-        story.Begin(AssociatedObject);
-    }
-
     private void AssociatedObject_Click(object sender, RoutedEventArgs e)
     {
-        if (_canPlayTextAnimation)
-        {
-            AnimateText();
-
-            _canPlayTextAnimation = false;
-        }
+        OnAssociatedObjectClick(sender, e);
     }
 
-    private void AssociatedObject_PreviewMouseLeftButtonDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
+    private void AssociatedObject_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
     {
-        var result = VisualTreeHelper.HitTest(AssociatedObject, e.GetPosition(AssociatedObject));
-
-        if (result?.VisualHit is Border { Child: null } or TextBlock)
-        {
-            _canPlayTextAnimation = true;
-        }
+        var hitTestResult = VisualTreeHelper.HitTest(AssociatedObject, e.GetPosition(AssociatedObject));
+        OnAssociatedObjectPreviewMouseLeftButtonDown(sender, e, hitTestResult);
 
         // 如果 VisualHit 为 Path，则鼠标在点击 SplitButton 的 DropDown 位置，
         // 如果为 TextBlock，则鼠标在点击 SplitButton 的非 DropDown 位置。
         // 如果为 Border，并且其 Child 不为 null，则鼠标在点击 DropDown 位置，否则，鼠标在点击 非 DropDown 位置。
         // 如果为 null，则鼠标在点击其他位置。
         // 如果不判断 VisualHit，则在点击下拉项前，此事件将被调用，下拉项被关闭，导致下拉项无法被点击到。
-        if (AssociatedObject.IsDropDownOpen && result?.VisualHit is Border or Path or TextBlock)
+        if (AssociatedObject.IsDropDownOpen && hitTestResult?.VisualHit is Border or Path or TextBlock)
         {
             AssociatedObject.IsDropDownOpen = false;
             e.Handled = true;

IPConfig/Views/IPConfigDetailView.xaml

@@ -154,6 +154,10 @@
                             Command="{Binding PrimarySaveOrApplyCommand}"
                             Content="{Binding PrimarySaveOrApplyString, Mode=OneWay}"
                             Style="{StaticResource SplitButtonPrimary}">
+                <i:Interaction.Behaviors>
+                    <b:SplitButtonToggleDropDownBehavior />
+                </i:Interaction.Behaviors>
+
                 <hc:SplitButton.DropDownContent>
                     <Menu Style="{StaticResource SplitButtonDropDownMenuStyle}">
                         <MenuItem Command="{Binding ValidateCommand}"

IPConfig/Views/NicConfigDetailView.xaml

@@ -527,7 +527,7 @@
                             Content="{lang:Lang {x:Static lang:LangKey.CopyContents_}}"
                             Style="{StaticResource SplitButtonPrimary}">
                 <i:Interaction.Behaviors>
-                    <b:SplitButtonToggleDropDownBehavior />
+                    <b:CopyContentsSplitButtonBehavior />
                 </i:Interaction.Behaviors>
 
                 <hc:SplitButton.DropDownContent>