Fixed forum-7302: InvalidOperationException for code completion after new keyword.

DynamicHelpPad: invoke UpdateTick on main thread to avoid race condition.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@2935 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/BackendBindings/CSharpBinding/Project/Src/CSharpCompletionBinding.cs

@@ -101,7 +101,7 @@ namespace CSharpBinding
 					ExpressionResult result = ef.FindExpression(editor.Text, cursor);
 					LoggingService.Debug("CC: Beginning to type a word, result=" + result);
 					if (result.Context != ExpressionContext.IdentifierExpected) {
-						editor.ShowCompletionWindow(new CtrlSpaceCompletionDataProvider(result.Context), '\0');
+						editor.ShowCompletionWindow(new CtrlSpaceCompletionDataProvider(result.Context) { ShowTemplates = true }, '\0');
 					}
 				}
 			}

src/AddIns/Misc/HtmlHelp2/Project/src/BaseControls/DynamicHelpPad.cs

@@ -38,7 +38,7 @@ namespace HtmlHelp2
 	public class HtmlHelp2DynamicHelpPad : AbstractPadContent
 	{
 		HtmlHelp2DynamicHelpBrowserControl dynamicHelpBrowser;
-		private StringCollection dynamicHelpTerms   = new StringCollection();
+		private List<string> dynamicHelpTerms       = new List<string>();
 		private TextLocation lastPoint              = TextLocation.Empty;
 		private string debugPreElement              = String.Empty;
 		private bool enableDebugInfo                = HtmlHelp2Environment.Config.DynamicHelpDebugInfos;
@@ -155,8 +155,12 @@ namespace HtmlHelp2
 		#region Taken from DefinitionView.cs
 		private void UpdateTick(object sender, ParserUpdateStepEventArgs e)
 		{
-			this.dynamicHelpTerms.Clear();
+			WorkbenchSingleton.SafeThreadAsyncCall(UpdateTick, e);
+		}
 		
+		void UpdateTick(ParserUpdateStepEventArgs e)
+		{
+			this.dynamicHelpTerms.Clear();
 			ResolveResult res = ResolveAtCaret(e);
 			if (res == null) return;
 
@@ -187,7 +191,7 @@ namespace HtmlHelp2
 				this.AddToStringCollection(0, types.ResolvedClass.FullyQualifiedName);
 			}
 
-			WorkbenchSingleton.SafeThreadAsyncCall(BuildDynamicHelpList);
+			BuildDynamicHelpList();
 		}
 
 		private ResolveResult ResolveAtCaret(ParserUpdateStepEventArgs e)

src/Main/Base/Project/Src/Gui/Workbench/DefaultWorkbench.cs

@@ -144,7 +144,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 		
 		public IWorkbenchWindow ActiveWorkbenchWindow {
 			get {
-				WorkbenchSingleton.DebugAssertMainThread();
+				WorkbenchSingleton.AssertMainThread();
 				return activeWorkbenchWindow;
 			}
 			private set {
@@ -187,7 +187,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 		/// </summary>
 		public IViewContent ActiveViewContent {
 			get {
-				WorkbenchSingleton.DebugAssertMainThread();
+				WorkbenchSingleton.AssertMainThread();
 				return activeViewContent;
 			}
 			private set {

src/Main/Base/Project/Src/Project/BuildEngine.cs

@@ -27,7 +27,7 @@ namespace ICSharpCode.SharpDevelop.Project
 		
 		public static void BuildInGui(IBuildable project, BuildOptions options)
 		{
-			WorkbenchSingleton.DebugAssertMainThread();
+			WorkbenchSingleton.AssertMainThread();
 			if (guiBuildProgressMonitor != null) {
 				BuildResults results = new BuildResults();
 				results.Add(new BuildError(null, Core.ResourceService.GetString("MainWindow.CompilerMessages.MSBuildAlreadyRunning")));
@@ -44,14 +44,14 @@ namespace ICSharpCode.SharpDevelop.Project
 		
 		public static bool IsGuiBuildRunning {
 			get {
-				WorkbenchSingleton.DebugAssertMainThread();
+				WorkbenchSingleton.AssertMainThread();
 				return guiBuildProgressMonitor != null;
 			}
 		}
 		
 		public static void CancelGuiBuild()
 		{
-			WorkbenchSingleton.DebugAssertMainThread();
+			WorkbenchSingleton.AssertMainThread();
 			if (guiBuildProgressMonitor != null) {
 				guiBuildProgressMonitor.Cancel();
 			}

src/Main/Base/Project/Src/TextEditor/Gui/Editor/CompletionWindow/AbstractCompletionDataProvider.cs

@@ -167,7 +167,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 					}
 				}
 				if (suggestedData != null) {
-					completionData.Sort();
+					completionData.Sort(DefaultCompletionData.Compare);
 					this.DefaultIndex = completionData.IndexOf(suggestedData);
 				}
 			}

src/Main/Base/Project/Src/TextEditor/Gui/Editor/CompletionWindow/CtrlSpaceCompletionDataProvider.cs

@@ -38,21 +38,16 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 			set { allowCompleteExistingExpression = value; }
 		}
 		
-		protected override void GenerateCompletionData(TextArea textArea, char charTyped)
-		{
-			#if DEBUG
-			if (DebugMode) {
-				Debugger.Break();
-			}
-			#endif
+		/// <summary>
+		/// Gets/Sets whether code templates should be included in code completion.
+		/// </summary>
+		public bool ShowTemplates { get; set; }
 		
-			if (!allowCompleteExistingExpression) {
-				preSelection = "";
-				if (charTyped != '\0') {
-					preSelection = null;
-				}
-				ExpressionContext context = overrideContext ?? ExpressionContext.Default;
-				AddResolveResults(ParserService.CtrlSpace(caretLineNumber, caretColumn, fileName, textArea.Document.TextContent, context), context);
+		void AddTemplates(TextArea textArea, char charTyped)
+		{
+			if (!ShowTemplates)
+				return;
+			ICompletionData suggestedData = DefaultIndex >= 0 ? completionData[DefaultIndex] : null;
 			ICompletionData[] templateCompletionData = new TemplateCompletionDataProvider().GenerateCompletionData(fileName, textArea, charTyped);
 			for (int i = 0; i < completionData.Count; i++) {
 				if (completionData[i].ImageIndex == ClassBrowserIconService.KeywordIndex) {
@@ -71,6 +66,28 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 				if (templateCompletionData[j] != null)
 					completionData.Add(templateCompletionData[j]);
 			}
+			if (suggestedData != null) {
+				completionData.Sort(DefaultCompletionData.Compare);
+				DefaultIndex = completionData.IndexOf(suggestedData);
+			}
+		}
+		
+		protected override void GenerateCompletionData(TextArea textArea, char charTyped)
+		{
+			#if DEBUG
+			if (DebugMode) {
+				Debugger.Break();
+			}
+			#endif
+			
+			if (!allowCompleteExistingExpression) {
+				preSelection = "";
+				if (charTyped != '\0') {
+					preSelection = null;
+				}
+				ExpressionContext context = overrideContext ?? ExpressionContext.Default;
+				AddResolveResults(ParserService.CtrlSpace(caretLineNumber, caretColumn, fileName, textArea.Document.TextContent, context), context);
+				AddTemplates(textArea, charTyped);
 				return;
 			}