#region License

// Copyright (c) 2010, ClearCanvas Inc.
// 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 System.Windows.Controls;
using ClearCanvas.Desktop;
using ClearCanvas.Desktop.Actions;

namespace Nullstack.ClearCanvasEx.DesktopEx.View.WpfAdapter
{
	public class ActiveMenuItem : MenuItem
	{
		private readonly IClickAction _action;

		private IconSize _iconSize;

		public ActiveMenuItem(IClickAction action)
			: this(action, IconSize.Small) {}

		public ActiveMenuItem(IClickAction action, IconSize iconSize)
		{
			_action = action;
			_iconSize = iconSize;

			UpdateLabel();
			UpdateCheckState();
			UpdateVisibility();
			UpdateEnablement();
			UpdateIcon();
		}

		public IconSize IconSize
		{
			get { return _iconSize; }
			set
			{
				if (_iconSize != value)
				{
					_iconSize = value;
					UpdateIcon();
				}
			}
		}

		protected override void OnClick()
		{
			base.OnClick();
			_action.Click();
		}

		private void OnActionCheckedChanged(object sender, EventArgs e)
		{
			UpdateCheckState();
		}

		private void OnActionEnabledChanged(object sender, EventArgs e)
		{
			UpdateEnablement();
		}

		private void OnActionVisibleChanged(object sender, EventArgs e)
		{
			UpdateVisibility();
		}

		private void OnActionAvailableChanged(object sender, EventArgs e)
		{
			UpdateEnablement();
			UpdateVisibility();
		}

		private void OnActionLabelChanged(object sender, EventArgs e)
		{
			UpdateLabel();
		}

		private void OnActionIconSetChanged(object sender, EventArgs e)
		{
			UpdateIcon();
		}

		private void UpdateLabel()
		{
			var label = _action.Label ?? string.Empty;
			var index = label.IndexOf('&');
			if (index >= 0)
				label = string.Format("{0}_{1}", label.Substring(0, index), label.Substring(index + 1, label.Length - index - 1));
			Header = label;
		}

		private void UpdateCheckState()
		{
			this.IsChecked = _action.Checked;
		}

		private void UpdateVisibility()
		{
			//base.Available = _action.Available && _action.Visible && (_action.Permissible || DesktopViewSettings.Default.ShowNonPermissibleActions);
		}

		private void UpdateEnablement()
		{
			//this.Enabled = _action.Available && _action.Enabled && (_action.Permissible || DesktopViewSettings.Default.EnableNonPermissibleActions);
		}

		private void UpdateIcon()
		{
			//if (_action.IconSet != null && _action.ResourceResolver != null)
			//{
			//    try
			//    {

			//        this.Icon = _action.IconSet.

			//        if (oldImage != null)
			//            oldImage.Dispose();
			//    }
			//    catch (Exception e)
			//    {
			//        // the icon was either null or not found - log some helpful message
			//        Platform.Log(LogLevel.Error, e);
			//    }

			//    this.UpdateLayout();
			//}
		}
	}
}