Use ContentPresenter

ghost1372 · May 19, 2024 · ed78d49 · ed78d49
1 parent 58e3534
commit ed78d49
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Showing 2 changed files with 29 additions and 23 deletions.
diff --git a/WinUIGallery/Controls/ControlExample.xaml b/WinUIGallery/Controls/ControlExample.xaml
@@ -172,22 +172,7 @@
 
                     <!-- using animations:Implicit... with Grid.Row causes Grid.Row to have no effect, Therefore, the Grid.Row is applied in the grid  -->
                     <Grid x:DefaultBindMode="OneWay" Grid.Row="1">
-                        <controls:SampleCodePresenter
-                            x:Name="XamlPresenter"
-                            Visibility="Collapsed"
-                            Code="{x:Bind Xaml}"
-                            CodeSourceFile="{x:Bind XamlSource}"
-                            Substitutions="{x:Bind Substitutions}"
-                            animations:Implicit.HideAnimations="{StaticResource HideTransitions}"
-                            animations:Implicit.ShowAnimations="{StaticResource ShowTransitions}"/>
-                        <controls:SampleCodePresenter
-                            x:Name="CSharpPresenter"
-                            Visibility="Collapsed"
-                            Code="{x:Bind CSharp}"
-                            CodeSourceFile="{x:Bind CSharpSource}"
-                            Substitutions="{x:Bind Substitutions}"
-                            animations:Implicit.HideAnimations="{StaticResource HideTransitions}"
-                            animations:Implicit.ShowAnimations="{StaticResource ShowTransitions}"/>
+                        <ContentPresenter x:Name="SamplePresenterHost"/>
                     </Grid>
                 </Grid>
             </muxc:Expander>

diff --git a/WinUIGallery/Controls/ControlExample.xaml.cs b/WinUIGallery/Controls/ControlExample.xaml.cs
@@ -26,6 +26,8 @@
 using Microsoft.UI.Xaml.Markup;
 using Microsoft.UI.Xaml.Media;
 using Microsoft.UI.Xaml.Media.Imaging;
+using WinUIGallery.Controls;
+using CommunityToolkit.WinUI.Animations;
 
 namespace WinUIGallery
 {
@@ -443,7 +445,7 @@ private void SelectorBarItem_Loaded(object sender, RoutedEventArgs e)
                 firstVisibileItem.IsSelected = true;
             }
 
-            HandlePresenterVisibility();
+            SwitchPresenter();
         }
 
         private static void OnXamlChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
@@ -465,25 +467,44 @@ private static void OnCSharpChanged(DependencyObject d, DependencyPropertyChange
 
         private void SelectorBarControl_SelectionChanged(SelectorBar sender, SelectorBarSelectionChangedEventArgs args)
         {
-            HandlePresenterVisibility();
+            SwitchPresenter();
         }
 
-        private void HandlePresenterVisibility()
+        private void SwitchPresenter()
         {
             var selectedItem = SelectorBarControl.SelectedItem;
             if (selectedItem != null)
             {
                 if (selectedItem.Tag.ToString().Equals("Xaml", StringComparison.OrdinalIgnoreCase))
                 {
-                    XamlPresenter.Visibility = Visibility.Visible;
-                    CSharpPresenter.Visibility = Visibility.Collapsed;
+                    SamplePresenterHost.Content = CreateSamplePresenter(SampleCodePresenterType.XAML);
                 }
                 else if (selectedItem.Tag.ToString().Equals("CSharp", StringComparison.OrdinalIgnoreCase))
                 {
-                    CSharpPresenter.Visibility = Visibility.Visible;
-                    XamlPresenter.Visibility = Visibility.Collapsed;
+                    SamplePresenterHost.Content = CreateSamplePresenter(SampleCodePresenterType.CSharp);
                 }
             }
         }
+
+        private SampleCodePresenter CreateSamplePresenter(SampleCodePresenterType presenterType)
+        {
+            var presenter = new SampleCodePresenter();
+            switch (presenterType)
+            {
+                case SampleCodePresenterType.XAML:
+                    presenter.Code = Xaml;
+                    presenter.CodeSourceFile = XamlSource;
+                    break;
+                case SampleCodePresenterType.CSharp:
+                    presenter.Code = CSharp;
+                    presenter.CodeSourceFile = CSharpSource;
+                    break;
+            }
+
+            presenter.Substitutions = Substitutions;
+            Implicit.SetHideAnimations(presenter, Resources["HideTransitions"] as ImplicitAnimationSet);
+            Implicit.SetShowAnimations(presenter, Resources["ShowTransitions"] as ImplicitAnimationSet);
+            return presenter;
+        }
     }
 }