popupmenu.cs

代码模版 codtemplate

using System;
using System.Collections;
using System.Text;
using System.Windows.Forms;

namespace CodeTemplate
{
	internal class TemplateMenuItem: MenuItem
	{
		public TemplateMenuItem(String name):
			this(null, name, null)
		{
		}

		public TemplateMenuItem(String templateText, String name, EventHandler eh):
			this(templateText, name, eh, 0)
		{
		}

		public TemplateMenuItem(String templateText, String name, EventHandler eh, Int32 id):
			base(name, eh)
		{
			m_templateText = templateText;
			m_id = id;
		}

		public String TemplateText
		{
			get { return m_templateText; }
			set { m_templateText = value; }
		}

		public Int32 Id
		{
			get { return m_id; } 
		}

		private String m_templateText;
		private Int32 m_id;
	}

	internal class TemplatePopupMenu: ContextMenu
	{		
        public TemplatePopupMenu()
		{
            m_scopes = new Stack();
            m_scopes.Push(MenuItems);
        }

        public void Clear()
        {
            if(MenuItems.Count > 0)
                MenuItems.Clear();
        }

		public void Add(String name)
		{
			Add(name, null, 0);
		}

        public void Add(String name, String text)
        {
            Add(name, text, 0);
        }

        public void Add(String name, String text, Int32 id)
        {
            CurrentScope.Add(new TemplateMenuItem(text, name, m_eh, id));
        }

		public void Update(String text)
		{
			m_mi.TemplateText = text;
			m_mi.Click += m_eh;
		}

        public void AddSeparator()
        {
            CurrentScope.Add(new TemplateMenuItem("-"));
        }

        public TemplateMenuItem EnterScope(String name)
        {
            m_mi = new TemplateMenuItem(name);
            CurrentScope.Add(m_mi);

            m_scopes.Push(m_mi.MenuItems);
			return m_mi;
        }

        public void LeaveScope()
        {
            m_scopes.Pop();
        }

        public Boolean EnableTemplateItems
        {
            set
            {
                foreach(TemplateMenuItem mi in MenuItems)
                {
                    if(mi.Id >= 0)
                        mi.Enabled = value;
                }
            }
        }

        public Boolean IsBalanced 
        { 
            get { return CurrentScope == MenuItems; }
        }

        public Menu.MenuItemCollection CurrentScope
        {
            get { return (Menu.MenuItemCollection)m_scopes.Peek(); }
        }

		public void PopAll()
		{
			m_scopes.Clear();
			m_scopes.Push(MenuItems);
		}

        public EventHandler EventHandler
        {
            get { return m_eh; }
            set { m_eh = value; }
        }

        private Stack m_scopes;
        private EventHandler m_eh;
		private TemplateMenuItem m_mi;
	}
}