only display snippets that are mapped to a currently available keyword

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@6150 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

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

@@ -21,7 +21,7 @@ namespace ICSharpCode.AvalonEdit.AddIn.Snippets
 	/// <summary>
 	/// Code completion item for snippets.
 	/// </summary>
-	public class SnippetCompletionItem : IFancyCompletionItem
+	public class SnippetCompletionItem : IFancyCompletionItem, ISnippetCompletionItem
 	{
 		readonly CodeSnippet codeSnippet;
 		readonly ITextEditor textEditor;
@@ -48,6 +48,10 @@ namespace ICSharpCode.AvalonEdit.AddIn.Snippets
 			get { return codeSnippet.Name; }
 		}
 		
+		public string Keyword {
+			get { return codeSnippet.Keyword; }
+		}
+		
 		public string Description {
 			get {
 				return codeSnippet.Description + Environment.NewLine +

src/Main/Base/Project/Src/Editor/CodeCompletion/CtrlSpaceCompletionItemProvider.cs

@@ -44,6 +44,8 @@ namespace ICSharpCode.SharpDevelop.Editor.CodeCompletion
 			if (list == null)
 				return;
 			List<ICompletionItem> snippets = editor.GetSnippets().ToList();
+			snippets.RemoveAll(item => item is ISnippetCompletionItem
+			                   && !list.Items.Any(item2 => item2.Text == (item as ISnippetCompletionItem).Keyword));
 			list.Items.RemoveAll(item => item.Image == ClassBrowserIconService.Keyword && snippets.Exists(i => i.Text == item.Text));
 			list.Items.AddRange(snippets);
 			list.SortItems();

src/Main/Base/Project/Src/Editor/CodeCompletion/ICompletionItem.cs

@@ -30,6 +30,11 @@ namespace ICSharpCode.SharpDevelop.Editor.CodeCompletion
 		}
 	}
 	
+	public interface ISnippetCompletionItem : ICompletionItem
+	{
+		string Keyword { get; }
+	}
+	
 	public class DefaultCompletionItem : ICompletionItem
 	{
 		public string Text { get; private set; }