recordbar.cs

《Visual Basic案例开发》一书的源代码

						Click(_Commands[i],e);
					}
				}
			}
		}

		public void RaisePostBackEvent(string eventArgument)
		{
			OnSelect(new EventArgs(),eventArgument);
		
			this.EnsureChildControls();

			_HtmlTableCell.InnerHtml = "";
			SetStruct();
			SetControl();
		}

		private void ServerClicked(object sender, ImageClickEventArgs e)
		{
			this.Index = 0;

			HtmlInputImage objHtmlInputImage = (HtmlInputImage)sender;

			if(objHtmlInputImage.ID == "First")
			{
				this.Current = 1;
				this.Command = "Next,Last";
			}
			if(objHtmlInputImage.ID == "Previous")
			{
				this.Current = this.Current - 1;
				if(this.Current == 1) this.Command = "Next,Last"; else this.Command = "First,Previous,Next,Last";
			}
			if(objHtmlInputImage.ID == "Next")
			{
				if((this.Current + 1) * this.Length <= this.Count + this.Length - 1) this.Current = this.Current + 1;
				if(this.Current == (this.Count + this.Length - 1) / this.Length) this.Command = "First,Previous"; else this.Command = "First,Previous,Next,Last";
			}
			if(objHtmlInputImage.ID == "Last")
			{
				this.Current = (this.Count + this.Length - 1) / this.Length;
				this.Command = "First,Previous";
			}

			OnClick(e,objHtmlInputImage.ID);
		
			this.EnsureChildControls();

			_HtmlTableCell.InnerHtml = "";
			SetStruct();
			SetControl();
		}

		protected override void OnLoad(EventArgs e)
		{
			base.OnLoad (e);

			this.Version = base.Page.Request.Browser.MajorVersion;

			if(base.Page.IsPostBack != false)
			{
				SetStruct();
				SetControl();
			}
		}

		protected override void Render(HtmlTextWriter objHtmlTextWriter)
		{
			this.EnsureChildControls();
			base.Render(objHtmlTextWriter);
		}

		protected override void CreateChildControls()
		{
			Controls.Add(new LiteralControl("<table width=\"100%\" cellspacing=\"0\" cellpadding=\"0\" bgcolor=\"#d6dff7\">" + "\n"));
			Controls.Add(new LiteralControl("	<tr class=\"RecordBar\">" + "\n"));
			Controls.Add(_HtmlTableCell);
			Controls.Add(new LiteralControl("	</tr>" + "\n"));
			Controls.Add(new LiteralControl("</table>" + "\n"));

			if(base.Page.IsPostBack != true)
			{
				SetStruct();
				SetControl();
			}
		}

		private void SetStruct()
		{
			this.ModeFilename.Default = this.Pathname + "Includes/RecordBar/Default.css";
			this.ModeFilename.Office2003 = this.Pathname + "Includes/RecordBar/Office2003.css";

			string strModeFilename = this.ModeFilename.Default;
			if(this.Mode == RecordBarMode.Office2003) strModeFilename = this.ModeFilename.Office2003;
			_HtmlTableCell.Controls.Add(new LiteralControl("<link href=\"" + strModeFilename + "\" type=\"text/css\" rel=\"stylesheet\">" + "\n"));
		}

		private void SetControl()
		{
			if(this.Version >= 6)
			{
				_HtmlTableCell.Controls.Add(new LiteralControl("<script language=\"javascript\">" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("<!--" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	var _" + this.ID + "_Total = 0;" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	var _" + this.ID + "_Opacity = 0;" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	var _" + this.ID + "_Height = 0;" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	var _" + this.ID + "_Velocity = " + this.Velocity + ";" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	function _" + this.ID + "_Initialize()" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	{" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		_" + this.ID + "_Div.style.setAttribute(\"display\",\"block\")" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		_" + this.ID + "_Total = _" + this.ID + "_Div.offsetHeight;" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		_" + this.ID + "_Div.style.setAttribute(\"display\",\"none\")" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	}" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	function _" + this.ID + "_Click()" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	{" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		if(_" + this.ID + "_Div.style.display == \"none\")" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		{" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Div.style.setAttribute(\"height\",\"0\");" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Div.style.setAttribute(\"display\",\"block\");" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Opacity = 0;" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Height = 0;" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Expand();" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Title.background = \"" + this.Expanded + "\";" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		}" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		else" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		{" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Div.style.setAttribute(\"height\",_" + this.ID + "_Total);" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Opacity = 100;" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Height = _" + this.ID + "_Total;" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Close();" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Title.background = \"" + this.Closed + "\";" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		}" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	}" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	function _" + this.ID + "_Expand()" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	{" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		if(_" + this.ID + "_Height <= (_" + this.ID + "_Total + 1) * (2 * _" + this.ID + "_Velocity - 1) / (2 * _" + this.ID + "_Velocity))" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		{" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Opacity = _" + this.ID + "_Opacity + 100 / (2 * _" + this.ID + "_Velocity);" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Height = _" + this.ID + "_Height + _" + this.ID + "_Total / (2 * _" + this.ID + "_Velocity);" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Div.style.setAttribute(\"height\",_" + this.ID + "_Height);" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Div.filters.alpha.opacity = _" + this.ID + "_Opacity;" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			window.setTimeout(\"_" + this.ID + "_Expand()\",50);" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		}" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		else" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		{" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Div.style.setAttribute(\"height\",_" + this.ID + "_Total);" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		}" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	}" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	function _" + this.ID + "_Close()" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	{" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		if(_" + this.ID + "_Height >= (_" + this.ID + "_Total + 1) / _" + this.ID + "_Velocity)" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		{" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Opacity = _" + this.ID + "_Opacity - 100 / _" + this.ID + "_Velocity;" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Height = _" + this.ID + "_Height - _" + this.ID + "_Total / _" + this.ID + "_Velocity;" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Div.style.setAttribute(\"height\",_" + this.ID + "_Height);" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Div.filters.alpha.opacity = _" + this.ID + "_Opacity;" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			window.setTimeout(\"_" + this.ID + "_Close()\",50);" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		}" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		else" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		{" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			_" + this.ID + "_Div.style.setAttribute(\"display\",\"none\");" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		}" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	}" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("-->" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("</script>" + "\n"));

				_HtmlTableCell.Controls.Add(new LiteralControl("<table align=\"center\" cellSpacing=\"4\" cellPadding=\"0\" width=\"226\" border=\"0\">" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("	<tr>" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("		<td vAlign=\"top\">" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			<table width=\"100%\" height=\"25\" cellspacing=\"0\" cellpadding=\"0\" background=\"" + this.Closed + "\" id=\"_" + this.ID + "_Title\">" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("				<tr>" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("					<td width=\"12\">&nbsp;</td>" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("					<td class=\"RecordBar_Title\" onclick=\"_" + this.ID + "_Click();\">" + this.Title + "&nbsp;(" + this.Current + "/" + (this.Count + this.Length - 1) / this.Length + ")" + "</td>" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("				</tr>" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			</table>" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("			<div style=\"display:block; filter:alpha(opacity=100); overflow:hidden; position:relative\" id=\"_" + this.ID + "_Div\">" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("				<table width=\"100%\" cellspacing=\"4\" cellpadding=\"0\" class=\"RecordBar_Group\">" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("					<tr>" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("						<td>" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("							<table width=\"100%\" height=\"20\" cellspacing=\"0\" cellpadding=\"0\">" + "\n"));
				_HtmlTableCell.Controls.Add(new LiteralControl("								<tr>" + "\n"));

				for(int i=0; i<_Heads.Count; i++)
				{
					_HtmlTableCell.Controls.Add(new LiteralControl("									<td align=\"center\"" + (_Heads[i].Width == "" ? "" : " width=\"" + _Heads[i].Width + "\"") + " class=\"RecordBar_ItemHead\">" + _Heads[i].Name + "</td>" + "\n"));
				}

				_HtmlTableCell.Controls.Add(new LiteralControl("								</tr>" + "\n"));