contextmenueditorcontrol.cs

全功能c#编译器

// <file>
//     <copyright see="prj:///doc/copyright.txt"/>
//     <license see="prj:///doc/license.txt"/>
//     <owner name="Mike Krüger" email="[e-mail]"/>
//     <version value="$version"/>
// </file>

using System;
using System.Diagnostics;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Windows.Forms;
using System.Windows.Forms.Design;
using ICSharpCode.SharpDevelop.FormDesigner.Hosts;

using System.Drawing.Design;

namespace ICSharpCode.SharpDevelop.FormDesigner {
	
	public class ContextMenuEditorControl : AbstractMenuEditorControl
	{
		public ContextMenuEditorControl(IDesignerHost host, Menu menu) : base(host, menu)
		{
			typeAreaText     = "Context Menu";
			canEditMenuItems = false;
			MeasureMenuItems();
		}
		
		protected override void OnLostFocus(EventArgs e)
		{
			MenuEditorFocused = base.subMenuEditor != null && !subMenuEditor.iveTheFocus;
			base.OnLostFocus(e);
		}
		
		protected override void MeasureMenuItems()
		{
			Graphics g = base.CreateGraphics();
			Font f = System.Windows.Forms.SystemInformation.MenuFont;
			
			typeSize = g.MeasureString(typeAreaText, f);
			typeArea = new RectangleF(this.borderSize.Width, 
			                          this.borderSize.Height, 
			                          typeSize.Width,
			                          SystemInformation.MenuHeight);
			g.Dispose();
		}
		
		protected override void OnPaint(PaintEventArgs pe)
		{
			MeasureMenuItems();
			DrawTypeHere(pe.Graphics, this.selectedItem == menu.MenuItems.Count, mouseOverItem == menu.MenuItems.Count);
			if (MenuEditorFocused) {
				ShowSubMenuEditor();
			}
		}
		
		protected override void ShowSubMenuEditor()
		{
			if (this.selectedItem >= 0) {
				SubMenuEditorControl panel = new SubMenuEditorControl(host, this, menu);
				panel.Location = GetSubmenuLocation(this.selectedItem);
				panel.Parent = rootControl.Parent;
				panel.BringToFront();
				panel.Select();
				CloseSubMenuEditor();
				this.subMenuEditor = panel;
			}
		}
	}
}