From 237d63d414a6eb5a2762ef1932559dd07c73dd78 Mon Sep 17 00:00:00 2001
From: Zhang Dian <54255897+zdpcdt@users.noreply.github.com>
Date: Thu, 27 Jul 2023 10:57:55 +0800
Subject: [PATCH] feat: add pseudoclasses.

---
 src/Ursa.Themes.Semi/Controls/DualBadge.axaml |  8 +--
 src/Ursa/Controls/DualBadge.cs                | 58 ++++++-------------
 2 files changed, 22 insertions(+), 44 deletions(-)

diff --git a/src/Ursa.Themes.Semi/Controls/DualBadge.axaml b/src/Ursa.Themes.Semi/Controls/DualBadge.axaml
index 80b36f0..a8b10ba 100644
--- a/src/Ursa.Themes.Semi/Controls/DualBadge.axaml
+++ b/src/Ursa.Themes.Semi/Controls/DualBadge.axaml
@@ -11,7 +11,7 @@
         <Setter Property="u:DualBadge.Foreground" Value="{DynamicResource DualBadgeDefaultForeground}" />
         <Setter Property="u:DualBadge.Background" Value="{DynamicResource DualBadgeDefaultBackground}" />
         <Setter Property="u:DualBadge.ClipToBounds" Value="False" />
-        <Setter Property="u:DualBadge.HorizontalAlignment" Value="Center" />
+        <Setter Property="u:DualBadge.HorizontalAlignment" Value="Left" />
         <Setter Property="u:DualBadge.VerticalAlignment" Value="Center" />
         <Setter Property="u:DualBadge.UseLayoutRounding" Value="False" />
         <Setter Property="u:DualBadge.Padding" Value="{DynamicResource DualBadgeDefaultPadding}" />
@@ -22,7 +22,7 @@
                     VerticalAlignment="{TemplateBinding VerticalAlignment}"
                     ClipToBounds="True"
                     CornerRadius="{TemplateBinding CornerRadius}">
-                    <Grid ColumnDefinitions="*,*">
+                    <Grid ColumnDefinitions="Auto,Auto">
                         <DockPanel
                             Grid.Column="0"
                             Background="{TemplateBinding HeaderBackground}">
@@ -43,7 +43,7 @@
                                 Foreground="{TemplateBinding HeaderForeground}"
                                 Padding="{TemplateBinding Padding}"
                                 Content="{TemplateBinding Header}"
-                                ContentTemplate="{TemplateBinding HeaderTemplate}"/>
+                                ContentTemplate="{TemplateBinding HeaderTemplate}" />
                         </DockPanel>
                         <ContentPresenter
                             Name="{x:Static u:DualBadge.PART_ContentPresenter}"
@@ -60,7 +60,7 @@
         </Setter>
 
         <Style Selector="^:header-empty">
-            <Setter Property="HeaderBackground" Value="LightGreen" />
+            <Setter Property="HeaderBackground" Value="{Binding Background, RelativeSource={RelativeSource Self}}" />
         </Style>
     </ControlTheme>
 </ResourceDictionary>
\ No newline at end of file
diff --git a/src/Ursa/Controls/DualBadge.cs b/src/Ursa/Controls/DualBadge.cs
index 9e445c6..de6df7c 100644
--- a/src/Ursa/Controls/DualBadge.cs
+++ b/src/Ursa/Controls/DualBadge.cs
@@ -4,6 +4,7 @@ using Avalonia.Controls.Metadata;
 using Avalonia.Controls.Presenters;
 using Avalonia.Controls.Primitives;
 using Avalonia.Controls.Templates;
+using Avalonia.Interactivity;
 using Avalonia.Media;
 
 namespace Ursa.Controls;
@@ -64,56 +65,33 @@ public class DualBadge : HeaderedContentControl
         set => SetValue(HeaderBackgroundProperty, value);
     }
 
-    public static readonly StyledProperty<bool> IsIconEmptyProperty = AvaloniaProperty.Register<DualBadge, bool>(
-        nameof(IsIconEmpty));
-
-    public bool IsIconEmpty
-    {
-        get => GetValue(IsIconEmptyProperty);
-        set => SetValue(IsIconEmptyProperty, value);
-    }
-
-    public static readonly StyledProperty<bool> IsHeaderEmptyProperty = AvaloniaProperty.Register<DualBadge, bool>(
-        nameof(IsHeaderEmpty));
-
-    public bool IsHeaderEmpty
-    {
-        get => GetValue(IsHeaderEmptyProperty);
-        set => SetValue(IsHeaderEmptyProperty, value);
-    }
-
-    public static readonly StyledProperty<bool> IsContentEmptyProperty = AvaloniaProperty.Register<DualBadge, bool>(
-        nameof(IsContentEmpty));
-
-    public bool IsContentEmpty
-    {
-        get => GetValue(IsContentEmptyProperty);
-        set => SetValue(IsContentEmptyProperty, value);
-    }
-
-
     static DualBadge()
     {
-        IsIconEmptyProperty.Changed.AddClassHandler<DualBadge>((o, e) => o.OnIsIconEmptyChanged(e));
-        IsHeaderEmptyProperty.Changed.AddClassHandler<DualBadge>((o, e) => o.OnIsHeaderEmptyChanged(e));
-        IsContentEmptyProperty.Changed.AddClassHandler<DualBadge>((o, e) => o.OnIsContentEmptyChanged(e));
+        IconProperty.Changed.AddClassHandler<DualBadge>((o, args) => o.OnIconChanged());
+        HeaderProperty.Changed.AddClassHandler<DualBadge>((o, args) => o.OnHeaderChanged());
+        ContentProperty.Changed.AddClassHandler<DualBadge>((o, args) => o.OnContentChanged());
     }
 
-    private void OnIsIconEmptyChanged(AvaloniaPropertyChangedEventArgs args)
+    protected override void OnLoaded(RoutedEventArgs e)
     {
-        bool newValue = args.GetNewValue<bool>();
-        PseudoClasses.Set(PC_IconEmpty, newValue);
+        base.OnLoaded(e);
+        OnIconChanged();
+        OnHeaderChanged();
+        OnContentChanged();
     }
 
-    private void OnIsHeaderEmptyChanged(AvaloniaPropertyChangedEventArgs args)
+    private void OnIconChanged()
     {
-        bool newValue = args.GetNewValue<bool>();
-        PseudoClasses.Set(PC_HeaderEmpty, newValue);
+        PseudoClasses.Set(PC_IconEmpty, Icon is null);
     }
 
-    private void OnIsContentEmptyChanged(AvaloniaPropertyChangedEventArgs args)
+    private void OnHeaderChanged()
     {
-        bool newValue = args.GetNewValue<bool>();
-        PseudoClasses.Set(PC_ContentEmpty, newValue);
+        PseudoClasses.Set(PC_HeaderEmpty, Header is null);
+    }
+
+    private void OnContentChanged()
+    {
+        PseudoClasses.Set(PC_ContentEmpty, Content is null);
     }
 }
\ No newline at end of file