From ffa16604395fb4b4bc0b5f961f5357dfe33a98d3 Mon Sep 17 00:00:00 2001
From: Mahdi Hosseini <mahdidvb72@gmail.com>
Date: Fri, 11 Mar 2022 18:10:55 +0330
Subject: [PATCH] Update CoverView

---
 .../Controls/Cover/CoverView/CoverView.cs     | 47 ++++---------------
 .../HandyControls/Controls/CoverView.cs       | 16 +++++++
 2 files changed, 25 insertions(+), 38 deletions(-)
 create mode 100644 src/Shared/HandyControl_Shared/HandyControls/Controls/CoverView.cs

diff --git a/src/Shared/HandyControl_Shared/Controls/Cover/CoverView/CoverView.cs b/src/Shared/HandyControl_Shared/Controls/Cover/CoverView/CoverView.cs
index 3fe0ed997..428261f7d 100644
--- a/src/Shared/HandyControl_Shared/Controls/Cover/CoverView/CoverView.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Cover/CoverView/CoverView.cs
@@ -8,7 +8,7 @@
 
 namespace HandyControl.Controls
 {
-    public class CoverView : RegularItemsControl
+    public partial class CoverView : RegularItemsControl
     {
         private readonly CoverViewContent _viewContent;
 
@@ -35,11 +35,9 @@ private void CoverViewItem_OnSelected(object sender, RoutedEventArgs e)
             {
                 if (e.OriginalSource is CoverViewItem item)
                 {
-                    item.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.TrueBox);
-                    _selectedItem = item;
-                    if (_viewContent != null)
+                    if (_selectedItem == null)
                     {
-                        item.IsSelected = true;
+                        item.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.TrueBox);
                         _selectedItem = item;
                         if (_viewContent != null)
                         {
@@ -53,8 +51,8 @@ private void CoverViewItem_OnSelected(object sender, RoutedEventArgs e)
 
                     if (!Equals(_selectedItem, item))
                     {
-                        _selectedItem.IsSelected = false;
-                        item.IsSelected = true;
+                        _selectedItem.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.FalseBox);
+                        item.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.TrueBox);
                         _selectedItem = item;
                         if (_viewContent != null)
                         {
@@ -65,29 +63,15 @@ private void CoverViewItem_OnSelected(object sender, RoutedEventArgs e)
                         return;
                     }
 
-                if (!Equals(_selectedItem, item))
-                {
-                    _selectedItem.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.FalseBox);
-                    item.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.TrueBox);
-                    _selectedItem = item;
                     if (_viewContent != null)
                     {
                         _viewContent.Content = null;
                         _viewContent.ContentTemplate = null;
                         UpdateCoverViewContent(false);
                     }
-                    _selectedItem.IsSelected = false;
+                    _selectedItem.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.FalseBox);
                     _selectedItem = null;
                 }
-
-                if (_viewContent != null)
-                {
-                    _viewContent.Content = null;
-                    _viewContent.ContentTemplate = null;
-                    UpdateCoverViewContent(false);
-                }
-                _selectedItem.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.FalseBox);
-                _selectedItem = null;
             }
         }
 
@@ -124,19 +108,6 @@ public Style CoverViewContentStyle
             set => SetValue(CoverViewContentStyleProperty, value);
         }
 
-
-
-        public bool ShowContent
-        {
-            get { return (bool)GetValue(ShowContentProperty); }
-            set { SetValue(ShowContentProperty, value); }
-        }
-
-        public static readonly DependencyProperty ShowContentProperty =
-            DependencyProperty.Register("ShowContent", typeof(bool), typeof(CoverView), new PropertyMetadata(true));
-
-
-
         internal static readonly DependencyProperty GroupsProperty = DependencyProperty.Register(
             "Groups", typeof(int), typeof(CoverView),
             new FrameworkPropertyMetadata(ValueBoxes.Int5Box, FrameworkPropertyMetadataOptions.AffectsMeasure,
@@ -215,7 +186,7 @@ protected override void Refresh()
         }
 
         /// <summary>
-        ///     Update content view
+        ///     更新内容视图
         /// </summary>
         private void UpdateCoverViewContent(bool isOpen)
         {
@@ -242,7 +213,7 @@ private void UpdateCoverViewContent(bool isOpen)
         }
 
         /// <summary>
-        ///     Update content view position
+        ///     更新内容视图位置
         /// </summary>
         private void UpdateCoverViewContentPosition()
         {
@@ -384,7 +355,7 @@ private void InsertItem(int index, object item)
         }
 
         /// <summary>
-        ///     Generate index number
+        ///     生成序号
         /// </summary>
         private void GenerateIndex()
         {
diff --git a/src/Shared/HandyControl_Shared/HandyControls/Controls/CoverView.cs b/src/Shared/HandyControl_Shared/HandyControls/Controls/CoverView.cs
new file mode 100644
index 000000000..acf29e922
--- /dev/null
+++ b/src/Shared/HandyControl_Shared/HandyControls/Controls/CoverView.cs
@@ -0,0 +1,16 @@
+using System.Windows;
+
+namespace HandyControl.Controls
+{
+    public partial class CoverView
+    {
+        public bool ShowContent
+        {
+            get { return (bool) GetValue(ShowContentProperty); }
+            set { SetValue(ShowContentProperty, value); }
+        }
+
+        public static readonly DependencyProperty ShowContentProperty =
+            DependencyProperty.Register("ShowContent", typeof(bool), typeof(CoverView), new PropertyMetadata(true));
+    }
+}