1 files changed, 96 insertions, 0 deletions
diff --git a/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Refactoring/RenameHandler.cs b/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Refactoring/RenameHandler.cs
new file mode 100644
index 0000000000..7f38f5d085
--- /dev/null
+++ b/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Refactoring/RenameHandler.cs
@@ -0,0 +1,96 @@
+// 
+// RenameHandler.cs
+//  
+// Author:
+//       Mike Krüger <mkrueger@novell.com>
+// 
+// Copyright (c) 2009 Novell, Inc (http://www.novell.com)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+using System;
+using MonoDevelop.Components.Commands;
+using MonoDevelop.Ide.Gui;
+using MonoDevelop.Ide.Gui.Content;
+using MonoDevelop.Ide;
+using MonoDevelop.Core;
+using Microsoft.CodeAnalysis;
+using MonoDevelop.Ide.Editor;
+using System.Linq;
+using ICSharpCode.NRefactory6.CSharp;
+using MonoDevelop.Refactoring;
+using MonoDevelop.Refactoring.Rename;
+
+namespace MonoDevelop.CSharp.Refactoring
+{
+	class RenameHandler : CommandHandler
+	{
+		public void UpdateCommandInfo (CommandInfo ci)
+		{
+			var doc = IdeApp.Workbench.ActiveDocument;
+			if (doc == null || doc.FileName == FilePath.Null)
+				return;
+			if (doc.ParsedDocument == null || doc.ParsedDocument.GetAst<SemanticModel> () == null) {
+				ci.Enabled = false;
+			}
+			var info = RefactoringSymbolInfo.GetSymbolInfoAsync (doc, doc.Editor.CaretOffset).Result;
+			var sym = info.DeclaredSymbol ?? info.Symbol;
+			if (!CanRename (sym))
+				ci.Bypass = true;
+		}
+
+		internal static bool CanRename (ISymbol symbol)
+		{
+			if (symbol == null || symbol.IsDefinedInMetadata ())
+				return false;
+			switch (symbol.Kind) {
+			case SymbolKind.Local:
+			case SymbolKind.Parameter:
+			case SymbolKind.NamedType:
+			case SymbolKind.Namespace:
+			case SymbolKind.Method:
+			case SymbolKind.Field:
+			case SymbolKind.Property:
+			case SymbolKind.Event:
+			case SymbolKind.Label:
+			case SymbolKind.TypeParameter:
+			case SymbolKind.RangeVariable:
+				return true;
+			}
+			return false;
+		}
+		
+		protected override void Run (object data)
+		{
+			var doc = IdeApp.Workbench.ActiveDocument;
+			if (doc == null || doc.FileName == FilePath.Null)
+				return;
+			Run (doc.Editor, doc);
+		}
+
+		internal void Run (TextEditor editor, DocumentContext ctx)
+		{
+			var info = RefactoringSymbolInfo.GetSymbolInfoAsync (ctx, editor.CaretOffset).Result;
+			var sym = info.DeclaredSymbol ?? info.Symbol;
+			if (!CanRename (sym))
+				return;
+			new RenameRefactoring ().Rename (sym);
+		}
+	}
+}