menucreator.cs

CSharpDevelop：这是一个包含源代码的C#、VB.NET的编辑器。

// MenuCreator.cs
// Copyright (C) 2001 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.Drawing;
using System.Reflection;
using System.Windows.Forms;
using System.Xml;

using SharpDevelop.Gui;
using SharpDevelop.Gui.Components;
using SharpDevelop.Tool.Data;
using SharpDevelop.Tool.Text;
using SharpDevelop.Actions;
using SharpDevelop.Actions.Menu;
using SharpDevelop.Internal.Messages;

namespace SharpDevelop.Tool.Function {
	
	public class MenuCreator {
		
		public static MenuItem[] CreateMenu(MainWindow mainwindow, string eventnamespace, XmlElement xmlelement)
		{
			return CreateMenu(mainwindow, Assembly.GetCallingAssembly(), eventnamespace, xmlelement);
		}
		
		public static MenuItem[] CreateMenu(MainWindow mainwindow,Assembly assembly, string eventnamespace, XmlElement xmlelement)
		{
			XmlNodeList nodes = xmlelement.ChildNodes;
			
			IconMenuItem[] item = new IconMenuItem[nodes.Count];
			
			for (int i = 0; i < nodes.Count; ++i) {
				XmlElement el = (XmlElement)nodes[i];
				MenuAction action = null;
				EventHandler handler1 = null;
				EventHandler handler2 = null;
				
				XmlAttribute attribute = el.Attributes["ATTRIBUTE"];
				
				bool link  = attribute == null ? false : attribute.InnerText.ToUpper() == "WEBLINK" || attribute.InnerText.ToUpper() == "LINK";
				bool ischecked = false;
				
				// set eventhandler
				if (el.Attributes["EVENT"] != null) {
					ISdPlugin ia = null;
					if (link) {
						if (attribute.InnerText.ToUpper() == "LINK")
							ia = new SharpDevelop.Actions.Menu.GotoLink(el.Attributes["EVENT"].InnerText);
						else
							ia = new SharpDevelop.Actions.Menu.GotoWebSite(el.Attributes["EVENT"].InnerText);
					} else {
						string objname = eventnamespace + el.Attributes["EVENT"].InnerText;
						ia = (ISdPlugin)assembly.CreateInstance(objname);
					}
					
					if (ia == null) {
						MessageBox.Show("Can't create MenuAction " + el.Attributes["EVENT"].InnerText, "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
					} else {
						if (ia.MessageHandler != null)
							Messenger.AddMessageHandler(ia.MessageHandler);
						ischecked = ia is ISdToggleablePlugin;
						action = new MenuAction(mainwindow, ia);
						handler1 = new EventHandler(action.Invoke);
						if (ischecked)
							handler2 = new EventHandler(action.Toggle);
					}
				}
				
				// create MenuItem
				string s1 = el.Attributes["NAME"] == null ? null : StringParser.Parse(el.Attributes["NAME"].InnerText, new string [,] {});
				string s2 = el.Attributes["DESCRIPTION"] == null ? null : StringParser.Parse(el.Attributes["DESCRIPTION"].InnerText, new string [,] {});
				
				item[i] = new IconMenuItem(mainwindow, s1, handler1, s2);
				
				if (ischecked && action.Plugin != null) {
					action.MenuItem = item[i];
					SharpDevelopMain.InitComplete += new EventHandler(action.FirstInit);
					item[i].Click += handler2;
				}
				
				// read attributes
				if (attribute != null) {
					item[i].ItemTag = (SpecialItemTag)Enum.Parse(typeof(SpecialItemTag), attribute.InnerText);
				}
				
				// read open status
				XmlAttribute active = el.Attributes["ACTIVE"];
				if (active != null) {
					item[i].IconEnabled = (IconEnabledStatus)Enum.Parse(typeof(IconEnabledStatus), active.InnerText);
				}
				
				// set menuitem icon
				XmlAttribute icon     = el.Attributes["ICON"];
				if (icon != null) {
					item[i].Icon = FileUtility.GetBitmap(icon.InnerText);
				}
				
				// set menuitem shortcut
				XmlAttribute shortcut = el.Attributes["SHORTCUT"];
				if (shortcut != null) {
					try { 
						item[i].Shortcut = (Shortcut)((Shortcut.F1.GetType()).InvokeMember(shortcut.InnerText, BindingFlags.GetField, null, Shortcut.F1, new object[0]));
					} catch (Exception) {
						item[i].Shortcut     = Shortcut.None;
						item[i].ShortcutText = shortcut.InnerText;
					}
				}
				
				// add submenus
				MenuItem[] submenus = CreateMenu(mainwindow, assembly, eventnamespace, el);
				foreach (MenuItem menuitem in submenus)
					item[i].MenuItems.Add(menuitem);
			}
			return item;
		}
	}
}