Merge pull request #3298 from tom-englert/dev/WpfRefactoring

Dev/wpf refactoring

Author: siegfriedpammer

ILSpy/AssemblyTree/AssemblyTreeModel.cs

@@ -716,7 +716,12 @@ private void LoadAssemblies(IEnumerable<string> fileNames, List<LoadedAssembly>?
 
 		private void TreeView_SelectionChanged()
 		{
-			if (SelectedItems.Length > 0)
+			if (SelectedItems.Length <= 0)
+			{
+				// To cancel any pending decompilation requests and show an empty tab
+				DecompileSelectedNodes();
+			}
+			else
 			{
 				var activeTabPage = DockWorkspace.Instance.ActiveTabPage;
 

ILSpy/TextView/DecompilerTextView.cs

@@ -72,7 +72,7 @@ namespace ICSharpCode.ILSpy.TextView
 	/// Manages the TextEditor showing the decompiled code.
 	/// Contains all the threading logic that makes the decompiler work in the background.
 	/// </summary>
-	public sealed partial class DecompilerTextView : UserControl, IDisposable, IHaveState, IProgress<DecompilationProgress>
+	public sealed partial class DecompilerTextView : UserControl, IHaveState, IProgress<DecompilationProgress>
 	{
 		readonly ReferenceElementGenerator referenceElementGenerator;
 		readonly UIElementGenerator uiElementGenerator;
@@ -125,7 +125,8 @@ public DecompilerTextView()
 			textEditor.TextArea.TextView.BackgroundRenderers.Add(textMarkerService);
 			textEditor.TextArea.TextView.LineTransformers.Add(textMarkerService);
 			textEditor.ShowLineNumbers = true;
-			SettingsService.Instance.DisplaySettings.PropertyChanged += CurrentDisplaySettings_PropertyChanged;
+
+			MessageBus<SettingsChangedEventArgs>.Subscribers += Settings_Changed;
 
 			// SearchPanel
 			SearchPanel searchPanel = SearchPanel.Install(textEditor.TextArea);
@@ -179,15 +180,24 @@ void RemoveEditCommand(RoutedUICommand command)
 
 		#region Line margin
 
-		void CurrentDisplaySettings_PropertyChanged(object? sender, PropertyChangedEventArgs e)
+		private void Settings_Changed(object? sender, SettingsChangedEventArgs e)
 		{
-			if (e.PropertyName == nameof(DisplaySettings.ShowLineNumbers))
-			{
-				ShowLineMargin();
-			}
-			else if (e.PropertyName == nameof(DisplaySettings.HighlightCurrentLine))
+			Settings_PropertyChanged(sender, e);
+		}
+
+		private void Settings_PropertyChanged(object? sender, PropertyChangedEventArgs e)
+		{
+			if (sender is not DisplaySettings)
+				return;
+
+			switch (e.PropertyName)
 			{
-				SetHighlightCurrentLine();
+				case nameof(DisplaySettings.ShowLineNumbers):
+					ShowLineMargin();
+					break;
+				case nameof(DisplaySettings.HighlightCurrentLine):
+					SetHighlightCurrentLine();
+					break;
 			}
 		}
 
@@ -1286,12 +1296,6 @@ public static void RegisterHighlighting()
 			HighlightingManager.Instance.RegisterHighlighting("xml", new[] { ".xml", ".baml" }, "XML-Mode");
 		}
 
-
-		public void Dispose()
-		{
-			SettingsService.Instance.DisplaySettings.PropertyChanged -= CurrentDisplaySettings_PropertyChanged;
-		}
-
 		#region Unfold
 		public void UnfoldAndScroll(int lineNumber)
 		{

ILSpy/TextView/DecompilerTextView.xaml

@@ -7,7 +7,6 @@
              xmlns:editing="clr-namespace:ICSharpCode.AvalonEdit.Editing;assembly=ICSharpCode.AvalonEdit"
              xmlns:folding="clr-namespace:ICSharpCode.AvalonEdit.Folding;assembly=ICSharpCode.AvalonEdit"
              xmlns:styles="urn:TomsToolbox.Wpf.Styles"
-             xmlns:toms="urn:TomsToolbox"
              xmlns:themes="clr-namespace:ICSharpCode.ILSpy.Themes">
 	<UserControl.Resources>
 		<SolidColorBrush x:Key="waitAdornerBackgoundBrush" Color="{DynamicResource {x:Static SystemColors.WindowColorKey}}" Opacity=".75" />