#region License

// Copyright (c) 2010, Jasper Yeh.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, 
// are permitted provided that the following conditions are met:
//
//    * Redistributions of source code must retain the above copyright notice, 
//      this list of conditions and the following disclaimer.
//    * Redistributions in binary form must reproduce the above copyright notice, 
//      this list of conditions and the following disclaimer in the documentation 
//      and/or other materials provided with the distribution.
//    * Neither the name of ClearCanvas Inc. nor the names of its contributors 
//      may be used to endorse or promote products derived from this software without 
//      specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 
// OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 
// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
// OF SUCH DAMAGE.

#endregion

using System;
using AvalonDock;
using ClearCanvas.Desktop;

namespace Nullstack.ClearCanvasEx.DesktopEx.View.WpfAdapter
{
	public class WorkspaceView : DesktopObjectView, IWorkspaceView
	{
		private readonly DesktopWindowView _desktopWindowView;

		private WorkspaceContent _workspaceContent;

		protected internal WorkspaceView(IWorkspace workspace, DesktopWindowView desktopView)
		{
			IApplicationComponentView componentView = (IApplicationComponentView) ViewFactory.CreateAssociatedView(workspace.Component.GetType());
			componentView.SetComponent((IApplicationComponent) workspace.Component);

			_desktopWindowView = desktopView;
			_workspaceContent = new WorkspaceContent {Name = workspace.Name, Title = workspace.Title, Content = GetContent(componentView.GuiElement), Tag = this};
			_workspaceContent.IsActiveDocumentChanged += OnWorkspaceContentActivated;
		}

		protected override void Dispose(bool disposing)
		{
			if (disposing)
			{
				if (_workspaceContent != null)
				{
					_desktopWindowView.RemoveWorkspaceView(this);
					_workspaceContent.Close();
					_workspaceContent = null;
				}
			}
			base.Dispose(disposing);
		}

		protected internal DockableContent DockableContent
		{
			get { return _workspaceContent; }
		}

		public override void Open()
		{
			_desktopWindowView.AddWorkspaceView(this);
		}

		public override void Show()
		{
			_workspaceContent.Show();
		}

		public override void Hide()
		{
			_workspaceContent.Hide();
		}

		public override void Activate()
		{
			_workspaceContent.Activate();
		}

		protected override void OnTitleChanged(EventArgs e)
		{
			base.OnTitleChanged(e);

			var title = Title;
			_workspaceContent.Title = title;
			_workspaceContent.ToolTip = title;
		}

		private void OnWorkspaceContentActivated(object sender, EventArgs e)
		{
			// deactivate the previous workspace before activating the new one
			Active = true;
		}

		private class WorkspaceContent : DockableContent
		{
			public override bool Close()
			{
				if (Content is IDisposable)
					((IDisposable) Content).Dispose();
				return base.Close();
			}
		}
	}
}