- finished implementation of Ctrl+J snippets.

- added props snippet
- enhanced existing snippets

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@5214 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/Snippets/CodeSnippet.cs

@@ -73,7 +73,7 @@ namespace ICSharpCode.AvalonEdit.AddIn.Snippets
 		
 		public ICompletionItem CreateCompletionItem(ITextEditor context)
 		{
-			return new SnippetCompletionItem(context, this);
+			return new SnippetCompletionItem(context, this) { AlwaysInsertSnippet = context.SelectionLength > 0 };
 		}
 		
 		readonly static Regex pattern = new Regex(@"\$\{([^\}]*)\}", RegexOptions.CultureInvariant);
@@ -104,8 +104,8 @@ namespace ICSharpCode.AvalonEdit.AddIn.Snippets
 			if (pos < snippetText.Length) {
 				snippet.Elements.Add(new SnippetTextElement { Text = snippetText.Substring(pos) });
 			}
-			if (!snippet.Elements.Any(e2 => e2 is SnippetCaretElement)) {
+			if (!snippet.Elements.Any(e => e is SnippetCaretElement)) {
-				int index = snippet.Elements.IndexOf(e => e is SnippetSelectionElement);
+				int index = snippet.Elements.FindIndex(e2 => e2 is SnippetSelectionElement);
 				if (index > -1)
 					snippet.Elements.Insert(index + 1, new SnippetCaretElement());
 			}

src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/Snippets/SnippetCompletionItem.cs

@@ -40,6 +40,8 @@ namespace ICSharpCode.AvalonEdit.AddIn.Snippets
 			this.codeSnippet = codeSnippet;
 		}
 		
+		public bool AlwaysInsertSnippet { get; set; }
+		
 		public string Text {
 			get { return codeSnippet.Name; }
 		}
@@ -62,7 +64,7 @@ namespace ICSharpCode.AvalonEdit.AddIn.Snippets
 			if (context.Editor != this.textEditor)
 				throw new ArgumentException("wrong editor");
 			using (context.Editor.Document.OpenUndoGroup()) {
-				if (context.CompletionChar == '\t') {
+				if (context.CompletionChar == '\t' || AlwaysInsertSnippet) {
 					context.Editor.Document.Remove(context.StartOffset, context.Length);
 					CreateSnippet().Insert(textArea);
 				} else {

src/AddIns/DisplayBindings/AvalonEdit.AddIn/Src/Snippets/SnippetManager.cs

@@ -53,7 +53,7 @@ namespace ICSharpCode.AvalonEdit.AddIn.Snippets
 					new CodeSnippet {
 						Name = "prop",
 						Description = "Property",
-						Text = "${type} ${toFieldName(name)};\n\npublic ${type=int} ${name=Property} {\n\tget { return ${toFieldName(name)}; }\n\tset { ${toFieldName(name)} = value; }\n}"
+						Text = "${type} ${toFieldName(name)};\n\npublic ${type=int} ${name=Property} {\n\tget { return ${toFieldName(name)}; }\n\tset { ${toFieldName(name)} = value; }\n}${Caret}"
 					},
 					new CodeSnippet {
 						Name = "propdp",
@@ -65,17 +65,22 @@ namespace ICSharpCode.AvalonEdit.AddIn.Snippets
 							+ "public ${type=int} ${name=Property} {" + Environment.NewLine
 							+ "\tget { return (${type})GetValue(${name}Property); }" + Environment.NewLine
 							+ "\tset { SetValue(${name}Property, value); }"
-							+ Environment.NewLine + "}"
+							+ Environment.NewLine + "}${Caret}"
+					},
+					new CodeSnippet {
+						Name = "props",
+						Description = "Property",
+						Text = "public ${Type=object} ${Property=Property} { get; set; }${Caret}"
 					},
 					new CodeSnippet {
 						Name = "ctor",
 						Description = "Constructor",
-						Text = "public ${ClassName}()\n{\t\n${Selection}\n}"
+						Text = "public ${ClassName}(${Caret})\n{\t\n${Selection}\n}"
 					},
 					new CodeSnippet {
 						Name = "switch",
 						Description = "Switch statement",
-						Text = "switch (${condition}) {\n\tcase ${firstcase=0}:\n\t\tbreak;\n\tdefault:\n\t\t${Selection}\n\t\tbreak;\n}"
+						Text = "switch (${condition}) {\n\tcase ${firstcase=0}:\n\t\t${Caret}\n\t\tbreak;\n\tdefault:\n\t\t${Selection}\n\t\tbreak;\n}"
 					},
 					new CodeSnippet {
 						Name = "try",

src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/ICSharpCode.AvalonEdit.csproj

@@ -279,6 +279,7 @@
       <DependentUpon>VisualLine.cs</DependentUpon>
     </Compile>
     <Compile Include="Snippets\IActiveElement.cs" />
+    <Compile Include="Snippets\SnippetEventArgs.cs" />
     <Compile Include="Snippets\SnippetInputHandler.cs" />
     <Compile Include="Snippets\Snippet.cs" />
     <Compile Include="Snippets\SnippetBoundElement.cs" />

src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Snippets/InsertionContext.cs

@@ -188,7 +188,7 @@ namespace ICSharpCode.AvalonEdit.Snippets
 			currentStatus = Status.Interactive;
 			if (registeredElements.Count == 0) {
 				// deactivate immediately if there are no interactive elements
-				Deactivate(EventArgs.Empty);
+				Deactivate(new SnippetEventArgs(DeactivateReason.NoActiveElements));
 			} else {
 				myInputHandler = new SnippetInputHandler(this);
 				// disable existing snippet input handlers - there can be only 1 active snippet
@@ -211,14 +211,14 @@ namespace ICSharpCode.AvalonEdit.Snippets
 		/// Calls the <see cref="IActiveElement.Deactivate"/> method on all registered active elements.
 		/// </summary>
 		/// <param name="e">The EventArgs to use</param>
-		public void Deactivate(EventArgs e)
+		public void Deactivate(SnippetEventArgs e)
 		{
 			if (currentStatus == Status.Deactivated || currentStatus == Status.RaisingDeactivated)
 				return;
 			if (currentStatus != Status.Interactive)
 				throw new InvalidOperationException("Cannot call Deactivate() until RaiseInsertionCompleted() has finished.");
 			if (e == null)
-				e = EventArgs.Empty;
+				e = new SnippetEventArgs(DeactivateReason.Unknown);
 			
 			TextDocumentWeakEventManager.UpdateFinished.RemoveListener(Document, this);
 			currentStatus = Status.RaisingDeactivated;
@@ -234,7 +234,7 @@ namespace ICSharpCode.AvalonEdit.Snippets
 		/// <summary>
 		/// Occurs when the interactive mode is deactivated.
 		/// </summary>
-		public event EventHandler Deactivated;
+		public event EventHandler<SnippetEventArgs> Deactivated;
 		
 		bool IWeakEventListener.ReceiveWeakEvent(Type managerType, object sender, EventArgs e)
 		{
@@ -248,7 +248,7 @@ namespace ICSharpCode.AvalonEdit.Snippets
 				// Deactivate if snippet is deleted. This is necessary for correctly leaving interactive
 				// mode if Undo is pressed after a snippet insertion.
 				if (wholeSnippetAnchor.Length == 0)
-					Deactivate(e);
+					Deactivate(new SnippetEventArgs(DeactivateReason.Deleted));
 				return true;
 			}
 			return false;

src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Snippets/SnippetCaretElement.cs

@@ -19,12 +19,17 @@ namespace ICSharpCode.AvalonEdit.Snippets
 	{
 		/// <inheritdoc/>
 		public override void Insert(InsertionContext context)
+		{
+			if (!string.IsNullOrEmpty(context.SelectedText))
+				SetCaret(context);
+		}
+		
+		internal static void SetCaret(InsertionContext context)
 		{
 			TextAnchor pos = context.Document.CreateAnchor(context.InsertionPosition);
 			pos.SurviveDeletion = true;
 			context.Deactivated += (sender, e) => {
-				KeyEventArgs ke = e as KeyEventArgs;
+				if (e.Reason == DeactivateReason.ReturnPressed || e.Reason == DeactivateReason.NoActiveElements) {
-				if (ke != null && ke.Key == Key.Return) {
 					context.TextArea.Caret.Offset = pos.Offset;
 				}
 			};

src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Snippets/SnippetEventArgs.cs

@@ -0,0 +1,61 @@
+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <owner name="Siegfried Pammer" email="siegfriedpammer@gmail.com" />
+//     <version>$Revision$</version>
+// </file>
+
+using System;
+
+namespace ICSharpCode.AvalonEdit.Snippets
+{
+	/// <summary>
+	/// Provides information about the event that occured during use of snippets.
+	/// </summary>
+	public class SnippetEventArgs : EventArgs
+	{
+		/// <summary>
+		/// Gets the reason for deactivation.
+		/// </summary>
+		public DeactivateReason Reason { get; private set; }
+		
+		/// <summary>
+		/// Creates a new SnippetEventArgs object, with a DeactivateReason.
+		/// </summary>
+		public SnippetEventArgs(DeactivateReason reason)
+		{
+			this.Reason = reason;
+		}
+	}
+	
+	/// <summary>
+	/// Describes the reason for deactivation of a <see cref="SnippetElement" />.
+	/// </summary>
+	public enum DeactivateReason
+	{
+		/// <summary>
+		/// Unknown reason.
+		/// </summary>
+		Unknown,
+		/// <summary>
+		/// Snippet was deleted.
+		/// </summary>
+		Deleted,
+		/// <summary>
+		/// There are no active elements in the snippet.
+		/// </summary>
+		NoActiveElements,
+		/// <summary>
+		/// The SnippetInputHandler was detached.
+		/// </summary>
+		InputHandlerDetached,
+		/// <summary>
+		/// Return was pressed by the user.
+		/// </summary>
+		ReturnPressed,
+		/// <summary>
+		/// Escape was pressed by the user.
+		/// </summary>
+		EscapePressed
+	}
+}

src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Snippets/SnippetInputHandler.cs

@@ -36,14 +36,17 @@ namespace ICSharpCode.AvalonEdit.Snippets
 		public override void Detach()
 		{
 			base.Detach();
-			context.Deactivate(EventArgs.Empty);
+			context.Deactivate(new SnippetEventArgs(DeactivateReason.InputHandlerDetached));
 		}
 		
 		public override void OnPreviewKeyDown(KeyEventArgs e)
 		{
 			base.OnPreviewKeyDown(e);
-			if (e.Key == Key.Escape || e.Key == Key.Return) {
+			if (e.Key == Key.Escape) {
-				context.Deactivate(e);
+				context.Deactivate(new SnippetEventArgs(DeactivateReason.EscapePressed));
+				e.Handled = true;
+			} else if (e.Key == Key.Return) {
+				context.Deactivate(new SnippetEventArgs(DeactivateReason.ReturnPressed));
 				e.Handled = true;
 			} else if (e.Key == Key.Tab) {
 				bool backwards = e.KeyboardDevice.Modifiers == ModifierKeys.Shift;

src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Snippets/SnippetReplaceableTextElement.cs

@@ -71,7 +71,7 @@ namespace ICSharpCode.AvalonEdit.Snippets
 		
 		void AnchorDeleted(object sender, EventArgs e)
 		{
-			context.Deactivate(EventArgs.Empty);
+			context.Deactivate(new SnippetEventArgs(DeactivateReason.Deleted));
 		}
 		
 		public void OnInsertionCompleted()

src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Snippets/SnippetSelectionElement.cs

@@ -21,6 +21,8 @@ namespace ICSharpCode.AvalonEdit.Snippets
 		public override void Insert(InsertionContext context)
 		{
 			context.InsertText(context.SelectedText);
+			if (string.IsNullOrEmpty(context.SelectedText))
+				SnippetCaretElement.SetCaret(context);
 		}
 	}
 }

src/Main/Base/Project/Src/Util/ExtensionMethods.cs

@@ -410,7 +410,7 @@ namespace ICSharpCode.SharpDevelop
 		/// Returns the index of the first element for which constraint returns true.
 		/// If none of the items in the list fits the constraint -1 is returned.
 		/// </summary>
-		public static int IndexOf<T>(this IList<T> list, Func<T, bool> constraint) {
+		public static int FindIndex<T>(this IList<T> list, Func<T, bool> constraint) {
 			for (int i = 0; i < list.Count; i++) {
 				if (constraint(list[i]))
 					return i;