menuaction.cs

c#精彩编程百例（源代码）

// MenuAction.cs
// Copyright (C) 2000 Mike Krueger
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

using System;
using System.Diagnostics;
using System.Windows.Forms;
using SharpDevelop.Internal.Messages;

namespace SharpDevelop.Actions.Menu {
	
	public class MenuAction
	{
		ISdPluginExecutor executor;
		ISdPlugin plugin;
		public MenuItem MenuItem;
		
		public ISdPlugin Plugin {
			get {
				return plugin;
			}
		}
		
		public MenuAction(ISdPluginExecutor executor, ISdPlugin plugin)
		{
			Debug.Assert(executor != null, "executor == null");
			Debug.Assert(plugin   != null, "plugin   == null");
			this.executor = executor;
			this.plugin   = plugin;
		}
		

		public void FirstInit(object sender, EventArgs e)
		{
			MenuItem.Checked = ((ISdToggleablePlugin)plugin).IsEnabled(executor);
		}
		
		public void Invoke(object sender, EventArgs e)
		{
			plugin.Execute(executor);
		}
		
		public void Toggle(object sender, EventArgs e)
		{
			MenuItem item = (MenuItem)sender;
			item.Checked = ((ISdToggleablePlugin)plugin).IsEnabled(executor);
		}
	}

}