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path: root/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.Common/Web/LoginMethod.cs
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Tango.MachineStudio.Common.Web
{
    public enum LoginMethod
    {
        [Description("Active Directory")]
        ActiveDirectory,
        [Description("Standard User")]
        StandardUser,
    }
}
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// 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.Windows;
using System.Windows.Input;

using Tango.Scripting.Editors.Document;

namespace Tango.Scripting.Editors.Editing
{
	/// <summary>
	/// Contains the predefined input handlers.
	/// </summary>
	public class TextAreaDefaultInputHandler : TextAreaInputHandler
	{
		/// <summary>
		/// Gets the caret navigation input handler.
		/// </summary>
		public TextAreaInputHandler CaretNavigation { get; private set; }
		
		/// <summary>
		/// Gets the editing input handler.
		/// </summary>
		public TextAreaInputHandler Editing { get; private set; }
		
		/// <summary>
		/// Gets the mouse selection input handler.
		/// </summary>
		public ITextAreaInputHandler MouseSelection { get; private set; }
		
		/// <summary>
		/// Creates a new TextAreaDefaultInputHandler instance.
		/// </summary>
		public TextAreaDefaultInputHandler(TextArea textArea) : base(textArea)
		{
			this.NestedInputHandlers.Add(CaretNavigation = CaretNavigationCommandHandler.Create(textArea));
			this.NestedInputHandlers.Add(Editing = EditingCommandHandler.Create(textArea));
			this.NestedInputHandlers.Add(MouseSelection = new SelectionMouseHandler(textArea));
			
			this.CommandBindings.Add(new CommandBinding(ApplicationCommands.Undo, ExecuteUndo, CanExecuteUndo));
			this.CommandBindings.Add(new CommandBinding(ApplicationCommands.Redo, ExecuteRedo, CanExecuteRedo));
		}
		
		internal static KeyBinding CreateFrozenKeyBinding(ICommand command, ModifierKeys modifiers, Key key)
		{
			KeyBinding kb = new KeyBinding(command, key, modifiers);
			// Mark KeyBindings as frozen because they're shared between multiple editor instances.
			// KeyBinding derives from Freezable only in .NET 4, so we have to use this little trick:
			Freezable f = ((object)kb) as Freezable;
			if (f != null)
				f.Freeze();
			return kb;
		}
		
		internal static void WorkaroundWPFMemoryLeak(List<InputBinding> inputBindings)
		{
			// Work around WPF memory leak:
			// KeyBinding retains a reference to whichever UIElement it is used in first.
			// Using a dummy element for this purpose ensures that we don't leak
			// a real text editor (with a potentially large document).
			UIElement dummyElement = new UIElement();
			dummyElement.InputBindings.AddRange(inputBindings);
		}
		
		#region Undo / Redo
		UndoStack GetUndoStack()
		{
			TextDocument document = this.TextArea.Document;
			if (document != null)
				return document.UndoStack;
			else
				return null;
		}
		
		void ExecuteUndo(object sender, ExecutedRoutedEventArgs e)
		{
			var undoStack = GetUndoStack();
			if (undoStack != null) {
				if (undoStack.CanUndo) {
					undoStack.Undo();
					this.TextArea.Caret.BringCaretToView();
				}
				e.Handled = true;
			}
		}
		
		void CanExecuteUndo(object sender, CanExecuteRoutedEventArgs e)
		{
			var undoStack = GetUndoStack();
			if (undoStack != null) {
				e.Handled = true;
				e.CanExecute = undoStack.CanUndo;
			}
		}
		
		void ExecuteRedo(object sender, ExecutedRoutedEventArgs e)
		{
			var undoStack = GetUndoStack();
			if (undoStack != null) {
				if (undoStack.CanRedo) {
					undoStack.Redo();
					this.TextArea.Caret.BringCaretToView();
				}
				e.Handled = true;
			}
		}
		
		void CanExecuteRedo(object sender, CanExecuteRoutedEventArgs e)
		{
			var undoStack = GetUndoStack();
			if (undoStack != null) {
				e.Handled = true;
				e.CanExecute = undoStack.CanRedo;
			}
		}
		#endregion
	}
}