Added first version of symbol rename dialog.

src/Main/Base/Project/ICSharpCode.SharpDevelop.csproj

@@ -202,6 +202,10 @@
     <Compile Include="Src\Editor\Commands\InsertGuidCommand.cs" />
     <Compile Include="Src\Editor\Commands\PasteAsCommands.cs" />
     <Compile Include="Src\Editor\Commands\ShowColorDialog.cs" />
+    <Compile Include="Src\Editor\Dialogs\RenameSymbolDialog.xaml.cs">
+      <DependentUpon>RenameSymbolDialog.xaml</DependentUpon>
+      <SubType>Code</SubType>
+    </Compile>
     <Compile Include="Src\Editor\IFormattingStrategy.cs" />
     <Compile Include="Editor\Search\ISearchResult.cs" />
     <Compile Include="Editor\Search\ISearchResultFactory.cs" />
@@ -806,11 +810,13 @@
   </ItemGroup>
   <ItemGroup>
     <Folder Include="Designer" />
+    <Folder Include="Src\Editor\Dialogs" />
     <Folder Include="Templates" />
     <Folder Include="Project\Configuration" />
     <Folder Include="Workbench\DisplayBinding" />
     <Page Include="Editor\Bookmarks\BookmarkPadContent.xaml" />
     <Page Include="Src\Editor\CodeCompletion\CodeCompletionPanelXaml.xaml" />
+    <Page Include="Src\Editor\Dialogs\RenameSymbolDialog.xaml" />
     <Page Include="Src\Gui\Components\FontSelector.xaml" />
     <Page Include="Src\Gui\Components\StringListEditorDialog.xaml" />
     <Page Include="Src\Gui\Components\StringListEditorXaml.xaml" />

src/Main/Base/Project/Src/Editor/Commands/FindReferencesCommand.cs

@@ -4,6 +4,7 @@
 using System;
 using ICSharpCode.Core;
 using ICSharpCode.NRefactory.Semantics;
+using ICSharpCode.SharpDevelop.Editor.Dialogs;
 using ICSharpCode.SharpDevelop.Gui;
 using ICSharpCode.SharpDevelop.Refactoring;
 
@@ -35,38 +36,44 @@ namespace ICSharpCode.SharpDevelop.Editor.Commands
 		public override void Run(ResolveResult symbol)
 		{
 			var entity = GetEntity(symbol);
-			
-			string title = "${res:SharpDevelop.Refactoring.Rename}";
-			string text = title; // TODO add proper text
 			if (entity != null) {				
-				switch (entity.SymbolKind) {
-					case ICSharpCode.NRefactory.TypeSystem.SymbolKind.TypeDefinition:
-						text = "${res:SharpDevelop.Refactoring.RenameClassText}";
-						break;
-					default:
-						text = "${res:SharpDevelop.Refactoring.RenameMemberText}";
-						break;
-				}
-				
-				string newName = SD.MessageService.ShowInputBox(title, text, entity.Name);
-				if (newName != entity.Name) {
-					if (!CheckName(newName)) {
-						SD.MessageService.ShowError("The symbol cannot be renamed because its new name is invalid!");
-						return;
-					}
+				RenameSymbolDialog renameDialog = new RenameSymbolDialog(CheckName)
+				{
+					Owner = SD.Workbench.MainWindow,
+					OldSymbolName = entity.Name,
+					NewSymbolName = entity.Name
+				};
+				if ((bool) renameDialog.ShowDialog()) {
 					using (IProgressMonitor progressMonitor = AsynchronousWaitDialog.ShowWaitDialog("${res:SharpDevelop.Refactoring.Rename}"))
-						FindReferenceService.RenameSymbol(entity, newName, progressMonitor)
+						FindReferenceService.RenameSymbol(entity, renameDialog.NewSymbolName, progressMonitor)
 							.ObserveOnUIThread()
 							.Subscribe(error => SD.MessageService.ShowError(error.Message), ex => SD.MessageService.ShowException(ex), () => {});
 				}
 			}
-			
 		}
 		
 		bool CheckName(string name)
 		{
 			// TODO implement for current language!
-			return !string.IsNullOrWhiteSpace(name);
+			if (string.IsNullOrEmpty(name))
+				return false;
+			
+			for (int i = 0; i < name.Length; i++) {
+				char thisChar = name[i];
+				if (!Char.IsLetter(thisChar)
+				    && !Char.IsDigit(thisChar)
+				    && (thisChar != '_'))
+				    return false;
+			}
+			
+			return true;
+		}
+		
+		public override bool CanExecute(ResolveResult symbol)
+		{
+			if (symbol == null)
+				return false;
+			return !symbol.GetDefinitionRegion().IsEmpty;
 		}
 	}
 }

src/Main/Base/Project/Src/Editor/Commands/SymbolUnderCaretMenuCommand.cs

@@ -2,6 +2,7 @@
 // This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
 
 using System;
+using System.Windows.Input;
 using ICSharpCode.Core;
 using ICSharpCode.NRefactory;
 using ICSharpCode.NRefactory.Semantics;
@@ -21,17 +22,31 @@ namespace ICSharpCode.SharpDevelop.Editor.Commands
 	/// 
 	/// If the owner isn't one of the types above, the command operates on the caret position in the current editor.
 	/// </summary>
-	public abstract class ResolveResultMenuCommand : AbstractMenuCommand
+	public abstract class ResolveResultMenuCommand : ICommand
 	{
-		public abstract void Run(ResolveResult symbol);
+		public virtual event EventHandler CanExecuteChanged { add {} remove {} }
+
+		public bool CanExecute(object parameter)
+		{
+			ITextEditor editor = SD.GetActiveViewContentService<ITextEditor>();
+			ResolveResult resolveResult = GetResolveResult(editor, parameter);
+			return CanExecute(resolveResult);
+		}
 
-		public override void Run()
+		public void Execute(object parameter)
 		{
 			ITextEditor editor = SD.GetActiveViewContentService<ITextEditor>();
-			ResolveResult resolveResult = GetResolveResult(editor, Owner);
+			ResolveResult resolveResult = GetResolveResult(editor, parameter);
 			Run(resolveResult);
 		}
 		
+		public abstract void Run(ResolveResult symbol);
+		
+		public virtual bool CanExecute(ResolveResult symbol)
+		{
+			return true;
+		}
+		
 		public static ResolveResult GetResolveResult(object owner)
 		{
 			return GetResolveResult(null, owner);

src/Main/Base/Project/Src/Editor/Dialogs/RenameSymbolDialog.xaml

@@ -0,0 +1,83 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Window
+	x:Class="ICSharpCode.SharpDevelop.Editor.Dialogs.RenameSymbolDialog"
+	xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+	xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+	xmlns:sd="http://icsharpcode.net/sharpdevelop/core"
+	Title="{sd:Localize SharpDevelop.Refactoring.Rename}"
+	WindowStyle="ToolWindow"
+	Style="{x:Static sd:GlobalStyles.DialogWindowStyle}"
+	ResizeMode="NoResize"
+	WindowStartupLocation="CenterScreen"
+	Width="527.6"
+	SizeToContent="Height">
+	
+	<Window.Resources>
+		<BooleanToVisibilityConverter x:Key="BoolToVisibility" />
+	</Window.Resources>
+	
+	<Grid>
+		<Grid.RowDefinitions>
+			<RowDefinition Height="Auto" />
+			<RowDefinition Height="Auto" />
+			<RowDefinition Height="Auto" />
+			<RowDefinition Height="Auto" />
+		</Grid.RowDefinitions>
+		
+		<TextBlock
+			Text="{sd:Localize SharpDevelop.Refactoring.RenameMemberText}"
+			Grid.Row="0"
+			HorizontalAlignment="Stretch"
+			VerticalAlignment="Top"
+			Margin="10,5" />
+		
+		<TextBox
+			Name="symbolNameTextBox"
+			Grid.Row="1"
+			HorizontalAlignment="Stretch"
+			VerticalAlignment="Top"
+			Margin="10,5"
+			Text="{Binding Path=NewSymbolName, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
+			Grid.ColumnSpan="3" />
+		
+		<TextBlock
+			Name="invalidSymbolWarningTextBlock"
+			Grid.Row="2"
+			HorizontalAlignment="Stretch"
+			VerticalAlignment="Top"
+			Margin="10,5"
+			Text="{sd:Localize SharpDevelop.Refactoring.InvalidName}"
+			Visibility="{Binding Path=IsError, Converter={StaticResource BoolToVisibility}}"
+			Foreground="Red" />
+		
+		<Grid Grid.Row="3">
+			<Grid.ColumnDefinitions>
+				<ColumnDefinition Width="*" />
+				<ColumnDefinition Width="Auto" />
+				<ColumnDefinition Width="Auto" />
+			</Grid.ColumnDefinitions>
+			
+			<Button
+				Content="{sd:Localize Global.RenameButtonText}"
+				Name="okButton"
+				Click="okButton_Click"
+				IsDefault="True"
+				IsEnabled="{Binding IsValidSymbolName}"
+				Height="23"
+				Width="75"
+				HorizontalAlignment="Right"
+				Margin="0,5,10,5"
+				Grid.Column="1" />
+			
+			<Button
+				Content="{sd:Localize Global.CancelButtonText}"
+				Name="cancelButton"
+				IsCancel="True"
+				HorizontalAlignment="Right"
+				Margin="0,5,10,5"
+				Width="75"
+				Height="23"
+				Grid.Column="2" />
+		</Grid>
+	</Grid>
+</Window>

src/Main/Base/Project/Src/Editor/Dialogs/RenameSymbolDialog.xaml.cs

@@ -0,0 +1,94 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+
+namespace ICSharpCode.SharpDevelop.Editor.Dialogs
+{
+	/// <summary>
+	/// Interaction logic for RenameSymbolDialog.xaml
+	/// </summary>
+	public partial class RenameSymbolDialog : Window
+	{
+		public static readonly DependencyProperty NewSymbolNameProperty =
+			DependencyProperty.Register("NewSymbolName", typeof(string), typeof(RenameSymbolDialog),
+			                            new FrameworkPropertyMetadata());
+		public static readonly DependencyProperty IsValidSymbolNameProperty =
+			DependencyProperty.Register("IsValidSymbolName", typeof(bool), typeof(RenameSymbolDialog),
+			                            new FrameworkPropertyMetadata());
+		public static readonly DependencyProperty IsErrorProperty =
+			DependencyProperty.Register("IsError", typeof(bool), typeof(RenameSymbolDialog),
+			                            new FrameworkPropertyMetadata());
+		
+		Predicate<string> symbolNameValidationPredicate = n => true; // Just to always have one
+		
+		public RenameSymbolDialog(Predicate<string> symbolNameValidator)
+		{
+			InitializeComponent();
+			
+			this.DataContext = this;
+			
+			if (symbolNameValidator != null) {
+				symbolNameValidationPredicate = symbolNameValidator;
+			}
+			
+			// Set focus into TextBox
+			this.symbolNameTextBox.Focus();
+		}
+		
+		public string OldSymbolName
+		{
+			get;
+			set;
+		}
+		
+		public string NewSymbolName
+		{
+			get { return (string)GetValue(NewSymbolNameProperty); }
+			set { SetValue(NewSymbolNameProperty, value); }
+		}
+		
+		public bool IsValidSymbolName
+		{
+			get { return (bool)GetValue(IsValidSymbolNameProperty); }
+			set { SetValue(IsValidSymbolNameProperty, value); }
+		}
+		
+		public bool IsError
+		{
+			get { return (bool)GetValue(IsErrorProperty); }
+			set { SetValue(IsErrorProperty, value); }
+		}
+		
+		protected override void OnPropertyChanged(DependencyPropertyChangedEventArgs e)
+		{
+			base.OnPropertyChanged(e);
+			
+			if (e.Property.Name == "NewSymbolName")
+				ValidateSymbolName();
+		}
+		
+		void okButton_Click(object sender, RoutedEventArgs e)
+		{
+			this.DialogResult = true;
+		}
+		
+		void ValidateSymbolName()
+		{
+			// Execute defined validator on input
+			bool isValidSymbolName = symbolNameValidationPredicate(NewSymbolName);
+			
+			// Update error states
+			IsValidSymbolName = isValidSymbolName && (OldSymbolName != NewSymbolName);
+			IsError = !isValidSymbolName;
+		}
+	}
+}