From 4e5d9af7b5e00798747e74c4619e9991de89a8d4 Mon Sep 17 00:00:00 2001
From: rabbitism <dongbin@irihi.tech>
Date: Sun, 3 Mar 2024 16:02:38 +0800
Subject: [PATCH] feat: implement semi style.

---
 .../ViewModels/BreadcrumbDemoViewModel.cs     |  1 +
 .../Controls/Breadcrumb.axaml                 | 77 +++++++++++++++----
 src/Ursa/Controls/Breadcrumb/Breadcrumb.cs    | 18 ++---
 .../Controls/Breadcrumb/BreadcrumbItem.cs     |  3 +
 4 files changed, 75 insertions(+), 24 deletions(-)

diff --git a/demo/Ursa.Demo/ViewModels/BreadcrumbDemoViewModel.cs b/demo/Ursa.Demo/ViewModels/BreadcrumbDemoViewModel.cs
index 591b585..1fd7535 100644
--- a/demo/Ursa.Demo/ViewModels/BreadcrumbDemoViewModel.cs
+++ b/demo/Ursa.Demo/ViewModels/BreadcrumbDemoViewModel.cs
@@ -15,6 +15,7 @@ public class BreadcrumbDemoViewModel: ObservableObject
             new BreadcrumbDemoItem() { Section = "Page 1", Icon = "Page" },
             new BreadcrumbDemoItem() { Section = "Page 2", Icon = "Page" },
             new BreadcrumbDemoItem() { Section = "Page 3", Icon = "Page" },
+            new BreadcrumbDemoItem() { Section = "Page 4", Icon = "Page" },
         };
     }
 }
diff --git a/src/Ursa.Themes.Semi/Controls/Breadcrumb.axaml b/src/Ursa.Themes.Semi/Controls/Breadcrumb.axaml
index 30750b8..7d9b206 100644
--- a/src/Ursa.Themes.Semi/Controls/Breadcrumb.axaml
+++ b/src/Ursa.Themes.Semi/Controls/Breadcrumb.axaml
@@ -1,36 +1,85 @@
-<ResourceDictionary xmlns="https://github.com/avaloniaui"
-                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-                    xmlns:u="https://irihi.tech/ursa">
+<ResourceDictionary
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:u="https://irihi.tech/ursa">
     <Design.PreviewWith>
         <StackPanel>
-            <u:Breadcrumb >
-                <TextBlock Text="Hello"></TextBlock>
-                <u:BreadcrumbItem Icon="?" Separator="♥"></u:BreadcrumbItem>
-                <TextBlock Text="Avalonia"></TextBlock>
-                <TextBlock Text="Ursa"></TextBlock>
+            <u:Breadcrumb>
+                <TextBlock Text="Hello" />
+                <u:BreadcrumbItem Content="World" Icon="♥" />
+                <TextBlock Text="Avalonia" />
+                <TextBlock Text="Ursa" />
             </u:Breadcrumb>
         </StackPanel>
     </Design.PreviewWith>
     <ControlTheme x:Key="{x:Type u:Breadcrumb}" TargetType="u:Breadcrumb">
-        <Setter Property="Separator" Value="/"></Setter>
+        <Setter Property="Separator" Value="/" />
         <Setter Property="Template">
             <ControlTemplate TargetType="u:Breadcrumb">
                 <ItemsPresenter ItemsPanel="{TemplateBinding ItemsPanel}" />
             </ControlTemplate>
         </Setter>
     </ControlTheme>
-    
+
     <ControlTheme x:Key="{x:Type u:BreadcrumbItem}" TargetType="u:BreadcrumbItem">
+        <Setter Property="Cursor" Value="Hand"></Setter>
         <Setter Property="Template">
             <ControlTemplate TargetType="u:BreadcrumbItem">
-                <Border BorderBrush="Red" BorderThickness="2" Margin="4">
+                <Border Background="Transparent">
                     <StackPanel Orientation="Horizontal">
-                        <ContentPresenter Content="{TemplateBinding Icon}" ContentTemplate="{TemplateBinding IconTemplate}" />
-                        <ContentPresenter Name="PART_ContentPresenter" Content="{TemplateBinding Content}" ContentTemplate="{TemplateBinding ContentTemplate}"/>
-                        <ContentPresenter Name="Separator" Content="{TemplateBinding Separator}"></ContentPresenter>
+                        <ContentPresenter
+                            Name="PART_IconPresenter"
+                            Margin="0 0 4 0"
+                            VerticalAlignment="Center"
+                            Content="{TemplateBinding Icon}"
+                            ContentTemplate="{TemplateBinding IconTemplate}"
+                            Foreground="{TemplateBinding Foreground}"
+                            IsVisible="{TemplateBinding Icon,
+                                                        Converter={x:Static ObjectConverters.IsNotNull}}" />
+                        <ContentPresenter
+                            Name="PART_ContentPresenter"
+                            VerticalAlignment="Center"
+                            IsVisible="{TemplateBinding Content,
+                                        Converter={x:Static ObjectConverters.IsNotNull}}"
+                            Foreground="{DynamicResource SemiColorText2}"
+                            Content="{TemplateBinding Content}"
+                            ContentTemplate="{TemplateBinding ContentTemplate}" />
+                        <ContentPresenter Name="Separator" VerticalAlignment="Center" Content="{TemplateBinding Separator}" Foreground="{DynamicResource SemiColorText3}" Margin="4 0">
+                            <ContentPresenter.IsVisible>
+                                <TemplateBinding Property="Separator" Converter="{x:Static ObjectConverters.IsNotNull}" />
+                            </ContentPresenter.IsVisible>
+                        </ContentPresenter>
                     </StackPanel>
                 </Border>
             </ControlTemplate>
         </Setter>
+        <Style Selector="^:last">
+            <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+                <Setter Property="Foreground" Value="{DynamicResource SemiColorText0}"/>
+            </Style>
+            <Style Selector="^ /template/ ContentPresenter#PART_ContentPresenter">
+                <Setter Property="Foreground" Value="{DynamicResource SemiColorText0}"/>
+                <Setter Property="FontWeight" Value="Bold"/>
+            </Style>
+            <Style Selector="^ /template/ ContentPresenter#Separator">
+                <Setter Property="IsVisible" Value="False"/>
+            </Style>
+            <Style Selector="^:pointerover">
+                <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+                    <Setter Property="Foreground" Value="{DynamicResource SemiBlue5}"/>
+                </Style>
+                <Style Selector="^ /template/ ContentPresenter#PART_ContentPresenter">
+                    <Setter Property="Foreground" Value="{DynamicResource SemiBlue5}"/>
+                </Style>
+            </Style>
+        </Style>
+        <Style Selector="^:pointerover">
+            <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+                <Setter Property="Foreground" Value="{DynamicResource SemiBlue5}"/>
+            </Style>
+            <Style Selector="^ /template/ ContentPresenter#PART_ContentPresenter">
+                <Setter Property="Foreground" Value="{DynamicResource SemiBlue5}"/>
+            </Style>
+        </Style>
     </ControlTheme>
 </ResourceDictionary>
diff --git a/src/Ursa/Controls/Breadcrumb/Breadcrumb.cs b/src/Ursa/Controls/Breadcrumb/Breadcrumb.cs
index 252ebca..4818d40 100644
--- a/src/Ursa/Controls/Breadcrumb/Breadcrumb.cs
+++ b/src/Ursa/Controls/Breadcrumb/Breadcrumb.cs
@@ -56,15 +56,6 @@ public class Breadcrumb: ItemsControl
         get => GetValue(IconTemplateProperty);
         set => SetValue(IconTemplateProperty, value);
     }
-
-    public static readonly StyledProperty<int> MaxItemCountProperty = AvaloniaProperty.Register<Breadcrumb, int>(
-        nameof(MaxItemCount), defaultValue: 4);
-
-    public int MaxItemCount
-    {
-        get => GetValue(MaxItemCountProperty);
-        set => SetValue(MaxItemCountProperty, value);
-    }
     
     static Breadcrumb()
     {
@@ -84,7 +75,6 @@ public class Breadcrumb: ItemsControl
     protected override void PrepareContainerForItemOverride(Control container, object? item, int index)
     {
         // base.PrepareContainerForItemOverride(container, item, index);
-        if (container == item) return;
         if (container is not BreadcrumbItem breadcrumbItem) return;
         if (!breadcrumbItem.IsSet(BreadcrumbItem.SeparatorProperty))
         {
@@ -98,6 +88,10 @@ public class Breadcrumb: ItemsControl
                     breadcrumbItem.Separator = b;
             });
         }
+
+        PseudolassesExtensions.Set(container.Classes, BreadcrumbItem.PC_Last, index == ItemCount - 1);
+
+        if (container == item) return;
         if(!breadcrumbItem.IsSet(ContentControl.ContentProperty))
         {
             breadcrumbItem.SetCurrentValue(ContentControl.ContentProperty, item);
@@ -106,6 +100,10 @@ public class Breadcrumb: ItemsControl
                 breadcrumbItem[!ContentControl.ContentProperty] = DisplayMemberBinding;
             }
         }
+        if (!breadcrumbItem.IsSet(ContentControl.ContentTemplateProperty) && this.ItemTemplate != null)
+        {
+            breadcrumbItem.SetCurrentValue(ContentControl.ContentTemplateProperty, this.ItemTemplate);
+        }
         if (!breadcrumbItem.IsSet(BreadcrumbItem.IconProperty) && IconBinding != null)
         {
             breadcrumbItem[!BreadcrumbItem.IconProperty] = IconBinding;
diff --git a/src/Ursa/Controls/Breadcrumb/BreadcrumbItem.cs b/src/Ursa/Controls/Breadcrumb/BreadcrumbItem.cs
index c6c38f9..81662ef 100644
--- a/src/Ursa/Controls/Breadcrumb/BreadcrumbItem.cs
+++ b/src/Ursa/Controls/Breadcrumb/BreadcrumbItem.cs
@@ -1,12 +1,15 @@
 using System.Windows.Input;
 using Avalonia;
 using Avalonia.Controls;
+using Avalonia.Controls.Metadata;
 using Avalonia.Controls.Templates;
 
 namespace Ursa.Controls;
 
+[PseudoClasses(PC_Last)]
 public class BreadcrumbItem: ContentControl
 {
+    public const string PC_Last = ":last";
     public static readonly StyledProperty<object?> SeparatorProperty =
         AvaloniaProperty.Register<BreadcrumbItem, object?>(
             nameof(Separator));