commandbaritem.cs

c#源代码

// ---------------------------------------------------------
// Windows Forms CommandBar Control
// Copyright (C) 2001-2003 Lutz Roeder. All rights reserved.
// http://www.aisto.com/roeder
// [e-mail]
// ---------------------------------------------------------
namespace Reflector.UserInterface
{
	using System;
	using System.Drawing;
	using System.Collections;
	using System.ComponentModel;
	using System.Windows.Forms;
	
	public class CommandBarItem : Component
	{
		public event PropertyChangedEventHandler PropertyChanged;
		public event EventHandler Select;
		
		private Image image = null;
		private string text = null;
		private bool isEnabled = true;
		private bool isVisible = true;
		private object tag;

		private CommandBarItem()
		{
		}

		public CommandBarItem(string text)
		{
			this.text = text;
		}

		public CommandBarItem(Image image)
		{
			this.image = image;
		}

		public CommandBarItem(Image image, string text)
		{
			this.text = text;
			this.image = image;
		}
		
		internal void NotifySelect(EventArgs e)
		{
			OnSelect(e);
		}
		
		protected virtual void OnSelect(EventArgs e)
		{
			if (Select != null) {
				Select(this, e);
			}
		}
		
		protected override void Dispose(bool disposing)
		{
			if (disposing)
			{
				this.image = null;
				this.text = null;
			}

			base.Dispose(disposing);
		}

		public virtual object Tag
		{
		    set 
		    { 
		    	this.tag = value; 
		    }
		    
		    get 
		    { 
		    	return this.tag; 
		    }
		}

		public virtual bool IsVisible
		{
			set
			{ 
				if (value != this.isVisible)
				{
					this.isVisible = value; 
					this.OnPropertyChanged(new PropertyChangedEventArgs("IsVisible")); 
				}
			}

			get 
			{ 
				return this.isVisible; 
			}
		}

		public virtual bool IsEnabled
		{
			set
			{ 
				if (this.isEnabled != value)
				{ 
				  this.isEnabled = value; 
				  this.OnPropertyChanged(new PropertyChangedEventArgs("IsEnabled")); 
				}
			}
	
			get 
			{ 
				return this.isEnabled; 
			}
		}

		public Image Image
		{
			set
			{ 
				if (value != this.image)
				{
					this.image = value; 
					this.OnPropertyChanged(new PropertyChangedEventArgs("Image")); 
				}
			}
		
			get 
			{ 
				return this.image; 
			}
		}
	
		public string Text
		{
			set
			{ 
				if (value != this.text)
				{ 
					this.text = value; 
					this.OnPropertyChanged(new PropertyChangedEventArgs("Text"));
				}
			}

			get { return this.text; }
		}

		protected virtual void OnPropertyChanged(PropertyChangedEventArgs e)
		{
			if (this.PropertyChanged != null)
			{
				this.PropertyChanged(this, e);
			}
		}
	}
}