radiobuttonlist.cs

不错的人事管理系统

using System;
using System.Collections.Specialized;

namespace System.Web.UI.WebControls
{
	/// <summary>
	/// Summary description for RadioButtonList.
	/// </summary>
	public class RadioButtonList : ListControl, 
		IRepeatInfoUser,
		System.Web.UI.INamingContainer,
		System.Web.UI.IPostBackDataHandler
	{
		private short radioButtonTabIndex;
		private bool selIndexChanged;

		public RadioButtonList() : base() 
		{
			this.selIndexChanged = false;
		}

		protected override Style CreateControlStyle() 
		{
			return new TableStyle(this.ViewState);
		}

		protected override void Render(System.Web.UI.HtmlTextWriter writer) 
		{

			RepeatInfo local0;
			Style local1;
			bool local2;

			local0 = new RepeatInfo();
			local1 = (this.ControlStyleCreated)? this.ControlStyle : null;
			local2 = false;
			this.radioButtonTabIndex = this.TabIndex;
			if (this.radioButtonTabIndex != 0) 
			{
				if (!(this.ViewState.IsItemDirty("TabIndex")))
					local2 = true;
				this.TabIndex = 0;
			}
			local0.RepeatColumns = this.RepeatColumns;
			local0.RepeatDirection = this.RepeatDirection;
			local0.RepeatLayout = this.RepeatLayout;
			local0.RenderRepeater(writer, this, local1, this);
			if (this.radioButtonTabIndex !=0)
				this.TabIndex = this.radioButtonTabIndex;
			if (local2)
				this.ViewState.SetItemDirty("TabIndex", false);

		}

		bool System.Web.UI.IPostBackDataHandler.LoadPostData(string postDataKey, NameValueCollection postCollection) 
		{
			string local0;
			int local1;
			int local2;
			int local3;

			local0 = postCollection[postDataKey];
			local1 = this.SelectedIndex;
			local2 = this.Items.Count;
			local3 = 0;
			while (local3 < local2) 
			{
				if ((local0 == this.Items[local3].Value)) 
				{
					if (local3 != local1) 
					{
						this.selIndexChanged = true;
						this.SelectedIndex = local3;
					}
					return true;
				}
				local3++;
			}
			return false;
		}

		void System.Web.UI.IPostBackDataHandler.RaisePostDataChangedEvent() 
		{
			if (this.selIndexChanged)
				this.OnSelectedIndexChanged(System.EventArgs.Empty);
		}

		bool System.Web.UI.WebControls.IRepeatInfoUser.HasFooter
		{
			get
			{
				return false;
			}
		}

		bool System.Web.UI.WebControls.IRepeatInfoUser.HasHeader
		{
			get
			{
				return false;
			}
		}

		bool System.Web.UI.WebControls.IRepeatInfoUser.HasSeparators
		{
			get
			{
				return false;
			}
		}

		int System.Web.UI.WebControls.IRepeatInfoUser.RepeatedItemCount
		{
			get
			{
				return this.Items.Count;
			}
		}

		Style System.Web.UI.WebControls.IRepeatInfoUser.GetItemStyle(ListItemType itemType, int repeatIndex) 
		{
			return null;
		}

		void System.Web.UI.WebControls.IRepeatInfoUser.RenderItem(ListItemType itemType, int repeatIndex, RepeatInfo repeatInfo, System.Web.UI.HtmlTextWriter writer) 
		{
			RadioButton local0;

			local0 = new RadioButton();
			local0._page = this.Page;
			local0.GroupName = this.UniqueID;
			local0.ID = this.ClientID + "_" + repeatIndex.ToString(System.Globalization.NumberFormatInfo.InvariantInfo);
			local0.Text = this.Items[repeatIndex].Text;
			local0.Attributes["value"] = this.Items[repeatIndex].Value;
			local0.Checked = this.Items[repeatIndex].Selected;
			local0.TextAlign = this.TextAlign;
			local0.AutoPostBack = this.AutoPostBack;
			local0.TabIndex = this.radioButtonTabIndex;
			local0.RenderControl(writer);
		}

		public virtual int CellPadding
		{
			get
			{
				if (!(this.ControlStyleCreated))
					return -1;
				return ((TableStyle)this.ControlStyle).CellPadding;
			}
			set
			{
				((TableStyle) this.ControlStyle).CellPadding = value;
			}
		}

		public virtual int CellSpacing
		{
			get
			{
				if (!(this.ControlStyleCreated))
					return -1;
				return ((TableStyle)this.ControlStyle).CellSpacing;
			}
			set
			{
				((TableStyle)this.ControlStyle).CellSpacing = value;
			}
		}

		public virtual int RepeatColumns
		{
			get
			{
				object local0;

				local0 = this.ViewState["RepeatColumns"];
				if (local0 != null)
					return (Int32) local0;
				return 0;
			}
			set
			{
				if (value < 0)
					throw new ArgumentOutOfRangeException("value");
				this.ViewState["RepeatColumns"] = value;
			}
		}

		public virtual RepeatDirection RepeatDirection
		{
			get
			{
				object local0;

				local0 = this.ViewState["RepeatDirection"];
				if (local0 != null)
					return (RepeatDirection) local0;

				return RepeatDirection.Vertical;
			}
			set
			{
				if ((value != RepeatDirection.Horizontal) && (value != RepeatDirection.Vertical))
					throw new ArgumentOutOfRangeException("value");

				this.ViewState["RepeatDirection"] = value;
			}
		}

		public virtual RepeatLayout RepeatLayout
		{
			get
			{
				object local0;

				local0 = this.ViewState["RepeatLayout"];
				if (local0 != null)
					return (RepeatLayout) local0;
				return 0;
			}
			set
			{
				if ((value != RepeatLayout.Table) && (value != RepeatLayout.Flow))
					throw new ArgumentOutOfRangeException("value");
				this.ViewState["RepeatLayout"] = value;

			}
		}

		public virtual TextAlign TextAlign
		{
			get
			{
				object local0;

				local0 = this.ViewState["TextAlign"];
				if (local0 != null)
					return (TextAlign) local0;
				return TextAlign.Right;
			}
			set
			{
				if((value != TextAlign.Left) && (value != TextAlign.Right))
					throw new ArgumentOutOfRangeException("value");
				this.ViewState["TextAlign"] = value;
			}
		}

	}
}