From d7876544867c51f41bb817f29ed8b32da87d2b9a Mon Sep 17 00:00:00 2001
From: NaBian <836904362@qq.com>
Date: Tue, 8 Nov 2022 23:37:38 +0800
Subject: [PATCH] chore: optimize demo menu.

---
 .../UserControl/Main/MainWindowContent.xaml   | 15 +++--
 .../Main/MainWindowContent.xaml.cs            | 65 ++++++++++++++++++-
 2 files changed, 75 insertions(+), 5 deletions(-)

diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Main/MainWindowContent.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Main/MainWindowContent.xaml
index 2415bebc9..6456a6d0e 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Main/MainWindowContent.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Main/MainWindowContent.xaml
@@ -4,14 +4,21 @@
         Background="{StaticResource CloudDrawingBrush}"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:userControl="clr-namespace:HandyControlDemo.UserControl"
+        xmlns:hc="https://handyorg.github.io/handycontrol"
         x:Class="HandyControlDemo.UserControl.MainWindowContent">
     <Grid>
         <Grid.ColumnDefinitions>
-            <ColumnDefinition Width="240" MinWidth="240" MaxWidth="400"/>
+            <ColumnDefinition x:Name="ColumnDefinitionLeft" Width="240" MinWidth="240" MaxWidth="400"/>
             <ColumnDefinition MinWidth="200"/>
         </Grid.ColumnDefinitions>
-        <userControl:LeftMainContent/>
-        <userControl:MainContent Grid.Column="1"/>
-        <GridSplitter Margin="0,26,0,26" Grid.Column="0" HorizontalAlignment="Right" Width="4" Background="Transparent"/>
+        <Button x:Name="ButtonShiftOut" Click="OnLeftMainContentShiftOut" hc:IconElement.Geometry="{StaticResource LeftGeometry}" Padding="8 8 0 8" HorizontalAlignment="Right" VerticalAlignment="Top" Margin="0 26 -16 0" Style="{StaticResource ButtonIconCircular}" />
+        <userControl:MainContent Grid.Column="1" x:Name="MainContent" />
+        <userControl:LeftMainContent Grid.Column="0" x:Name="LeftMainContent">
+            <UIElement.RenderTransform>
+                <TranslateTransform />
+            </UIElement.RenderTransform>
+        </userControl:LeftMainContent>
+        <GridSplitter x:Name="GridSplitter" Margin="0,26,0,26" Grid.Column="0" HorizontalAlignment="Right" Width="4" Background="Transparent"/>
+        <Button Grid.Column="0" x:Name="ButtonShiftIn" Visibility="Collapsed" Click="OnLeftMainContentShiftIn" hc:IconElement.Geometry="{StaticResource RightGeometry}" Padding="8 8 0 8" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="-12 26 0 0" Style="{StaticResource ButtonIconCircular}" />
     </Grid>
 </Border>
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Main/MainWindowContent.xaml.cs b/src/Shared/HandyControlDemo_Shared/UserControl/Main/MainWindowContent.xaml.cs
index c6e0480b4..f71d6f111 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Main/MainWindowContent.xaml.cs
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Main/MainWindowContent.xaml.cs
@@ -1,9 +1,72 @@
-namespace HandyControlDemo.UserControl;
+using System;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+using System.Windows.Media.Animation;
+using HandyControl.Tools;
+using HandyControl.Tools.Extension;
+
+namespace HandyControlDemo.UserControl;
 
 public partial class MainWindowContent
 {
+    private GridLength _columnDefinitionWidth;
+
     public MainWindowContent()
     {
         InitializeComponent();
     }
+
+    private void OnLeftMainContentShiftOut(object sender, RoutedEventArgs e)
+    {
+        ButtonShiftOut.Collapse();
+        GridSplitter.IsEnabled = false;
+
+        double targetValue = -ColumnDefinitionLeft.Width.Value;
+        _columnDefinitionWidth = ColumnDefinitionLeft.Width;
+
+        DoubleAnimation animation = AnimationHelper.CreateAnimation(targetValue, milliseconds: 100);
+        animation.FillBehavior = FillBehavior.Stop;
+        animation.Completed += OnAnimationCompleted;
+        LeftMainContent.RenderTransform.BeginAnimation(TranslateTransform.XProperty, animation);
+
+        void OnAnimationCompleted(object _, EventArgs args)
+        {
+            animation.Completed -= OnAnimationCompleted;
+            LeftMainContent.RenderTransform.SetCurrentValue(TranslateTransform.XProperty, targetValue);
+
+            Grid.SetColumn(MainContent, 0);
+            Grid.SetColumnSpan(MainContent, 2);
+
+            ColumnDefinitionLeft.MinWidth = 0;
+            ColumnDefinitionLeft.Width = new GridLength();
+            ButtonShiftIn.Show();
+        }
+    }
+
+    private void OnLeftMainContentShiftIn(object sender, RoutedEventArgs e)
+    {
+        ButtonShiftIn.Collapse();
+        GridSplitter.IsEnabled = true;
+
+        double targetValue = ColumnDefinitionLeft.Width.Value;
+
+        DoubleAnimation animation = AnimationHelper.CreateAnimation(targetValue, milliseconds: 100);
+        animation.FillBehavior = FillBehavior.Stop;
+        animation.Completed += OnAnimationCompleted;
+        LeftMainContent.RenderTransform.BeginAnimation(TranslateTransform.XProperty, animation);
+
+        void OnAnimationCompleted(object _, EventArgs args)
+        {
+            animation.Completed -= OnAnimationCompleted;
+            LeftMainContent.RenderTransform.SetCurrentValue(TranslateTransform.XProperty, targetValue);
+
+            Grid.SetColumn(MainContent, 1);
+            Grid.SetColumnSpan(MainContent, 1);
+
+            ColumnDefinitionLeft.MinWidth = 240;
+            ColumnDefinitionLeft.Width = _columnDefinitionWidth;
+            ButtonShiftOut.Show();
+        }
+    }
 }