toolbardropdownlist.cs

一个基于 Internet Explorer 中 MSHTML 技术的 ASP.NET 服务器控件

using System;
using System.Drawing;
using FreeTextBoxControls.Common;

namespace FreeTextBoxControls
{
	/// <summary>
	/// A DropDownList for a Toolbar
	/// </summary>
	public class ToolbarDropDownList : ToolbarItem
	{
		public ToolbarDropDownList() {}

		public ToolbarDropDownList(string title, string name, string function)
		{
			this.Title = title;
			this.Name = name;
			this.Function = function;
		}

		//ADD: Ethan J. Brown -- private state variables
		private bool resetOnSelect = true;
		private bool showTitle = true;
		private bool showLabel = false;
		private ToolbarListItem selectedItem = null;

		/// <summary>
		/// Collection of ToolbarListItems
		/// </summary>
		public ToolbarDropDownListItems Items = new ToolbarDropDownListItems();

		//ADD: Ethan J. Brown
		/// <summary>
		/// A value indicating whether or not a drop-down remains on the last selected item
		/// </summary>
		public bool ResetOnSelect
		{
			get
			{
				return resetOnSelect;
			}
			set
			{
				resetOnSelect = value;
			}
		}

		//ADD: Ethan J. Brown
		/// <summary>
		/// A value indicating whether or not a title shows as the first item in the drop-down
		/// </summary>
		public bool ShowTitle
		{
			get
			{
				return showTitle;
			}
			set
			{
				showTitle = value;
			}
		}

		//ADD: Ethan J. Brown
		/// <summary>
		/// A value indicating whether or not a label shows for the drop-down
		/// </summary>
		public bool ShowLabel
		{
			get
			{
				return showLabel;
			}
			set
			{
				showLabel = value;
			}
		}

		//ADD: Ethan J. Brown
		/// <summary>
		/// The ToolbarListItem that is currently selected
		/// </summary>
		public ToolbarListItem SelectedItem
		{
			get
			{
				return selectedItem;
			}
			set
			{
				bool found = false;

				if (null != value)
				{
					for (int i = 0; i < Items.Count; ++i)
					{
						if (value == Items[i])
						{
							found = true;
						}
					}
					if (!found) throw new ArgumentException("The current DropDownList does not contain that item.");
				}
				selectedItem = value;
			}
		}
	}

	/// <summary>
	/// A DropDownList Item for a Toolbar
	/// </summary>
	public class ToolbarListItem
	{
		public ToolbarListItem() {}

		public ToolbarListItem(string name, string theValue)
		{
			this.Name = name;
			this.Value = theValue;
			this.BackColor = new Color();
		}
		public ToolbarListItem(string name, string theValue, Color backColor)
		{
			this.Name = name;
			this.Value = theValue;
			this.BackColor = backColor;
		}
		private string name = "";
		private string _value = "";
		private Color backColor = new Color();

		/// <summary>
		/// The name displayed for the DropDown Item
		/// </summary>
		public string Name
		{
			get
			{
				return name;
			}
			set
			{
				name = value;
			}
		}
		/// <summary>
		/// The value of the DropDown item
		/// </summary>
		public string Value
		{
			get
			{
				return _value;
			}
			set
			{
				_value = value;
			}
		}
		/// <summary>
		/// The backcolor of the DropDown item
		/// </summary>
		public Color BackColor
		{
			get
			{
				return backColor;
			}
			set
			{
				backColor = value;
			}
		}
	}
}