A Server Control Authoring JavaScript

using System;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using System.Web;
using System.Web.UI;
using System.Collections;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Configuration;

namespace ProMatrix.Lib.UI
{
	public class Rendering
	{
		public Page Page;
		string libStylesPath;
		string libScriptsPath;
		string libDScriptsPath;

		public Rendering(Page Page, string libStylesPath, string libScriptsPath, string libDScriptsPath)
		{
			this.Page = Page;
			this.libStylesPath = libStylesPath;
			this.libScriptsPath = libScriptsPath;
			this.libDScriptsPath = libDScriptsPath;
		}

		//public void RenderNoScriptInfo() // just after opening form tag
		//{
		//    if (!this.IsStartupScriptRegistered("NoScriptInfo"))
		//    {
		//        StringBuilder loadScripts = new StringBuilder();
		//        loadScripts.Append("<noscript ><br>");
		//        loadScripts.Append("<table border='0' width='99%' id='table1' height='142' style='position: absolute; left:4px; top:2px; height:100%; width:100%; z-index:500' bgcolor='#FFFFFF'>");
		//        loadScripts.Append("<tr>");
		//        loadScripts.Append("<td align='left' valign='top'>");
		//        loadScripts.Append("<p align='center'>JavaScript Error: This application requires JavaScript.<br>");
		//        loadScripts.Append("Your browser must have JavaScript enabled for this application to function.<br>");
		//        loadScripts.Append("<a href='" + findFolder("calendar") + "ProMatrix.Common/FAQ/browserSettings.htm'>Click here for details on how to ");
		//        loadScripts.Append("enable JavaScript for this application.</a><br>");
		//        loadScripts.Append("&nbsp;</p>");
		//        loadScripts.Append("</td>");
		//        loadScripts.Append("</tr>");
		//        loadScripts.Append("</table>");
		//        loadScripts.Append("</noscript><br>");
		//        RegisterClientScriptBlock("NoScriptInfo", loadScripts.ToString());
		//    }
		//}

		#region Shortcut icon
		//

		#endregion

		#region Stylesheet
		public void StylesheetFile(string id) // in the Styles folder
		{
			string cssFile = libStylesPath + id;
			StylesheetFile(id, cssFile);
		}
		
		public void StylesheetFile(string id, string cssFile) // in the header
		{
			cssFile = cssFile.ToLower() + ".css";
			HtmlHead HtmlHead = null;
			for (int i = 0; i < Page.Controls.Count; i++)
			{
				Type t = Page.Controls[i].GetType();
				if (Page.Controls[i].GetType().ToString() == "System.Web.UI.HtmlControls.HtmlHead")
				{
					HtmlHead = (HtmlHead)Page.Controls[i];
					for (int j = 0; j < HtmlHead.Controls.Count; j++)
					{
						Control Control = (Control)HtmlHead.Controls[j];
						if (Control.GetType().ToString() == "System.Web.UI.LiteralControl")
						{
							LiteralControl LiteralControl = (LiteralControl)HtmlHead.Controls[j];
							if(LiteralControl.Text.IndexOf("href='" + cssFile + "'") != -1)
								return;
						}
					}
				}
			}

			if (HtmlHead != null)
				HtmlHead.Controls.Add(new LiteralControl("<link id='" + id + "' href='" + cssFile + "' rel='stylesheet' type='text/css' /> \r\n"));
		}
		#endregion

		#region JavaScript
		public void StartupLibJsFile(string scriptName)
		{
			StartupJsFile(libScriptsPath + scriptName);
		}

		public void StartupLibDJsFile(string scriptName)
		{
			StartupJsFile(libDScriptsPath + scriptName);
		}

        public void StartupDefaultJsFile(string sDefault) 
        {  // only use with served page
            string CurrentExecutionFilePath = Page.Request.CurrentExecutionFilePath.Substring(0, Page.Request.CurrentExecutionFilePath.LastIndexOf('/'));
            StartupJsFile(CurrentExecutionFilePath + "/JScripts/" + sDefault);
        }

		public void StartupJsFile(string scriptName) // just after opening form tag
		{
			scriptName = scriptName.ToLower() + ".js";
			StringBuilder loadScripts = new StringBuilder();
			loadScripts.Append("<script type='text/javascript' language='JavaScript' src='" + scriptName + "'></script>\r\n");
			Page.ClientScript.RegisterClientScriptBlock(typeof(String), scriptName, loadScripts.ToString());
		}


        public void EndingLibJsFile(string scriptName)
        {
            EndingJsFile(libScriptsPath + scriptName);
        }

		public void EndingJsFile(string scriptName) // just before closing form tag
		{
			scriptName = scriptName.ToLower() + ".js";
			StringBuilder loadScripts = new StringBuilder();
			loadScripts.Append("<script type='text/javascript' language='JavaScript' src='" + scriptName + "'></script>");
			Page.ClientScript.RegisterStartupScript(typeof(String), scriptName, loadScripts.ToString());
		}

		public void StartupJsCode(string scriptName, string script) // just after opening form tag
		{
			scriptName = scriptName.ToLower();
			StringBuilder loadScripts = new StringBuilder();
			loadScripts.Append("<script language='JavaScript'>\r\n" + script + "\r\n</script>\r\n\r\n");
			Page.ClientScript.RegisterClientScriptBlock(typeof(String), scriptName, loadScripts.ToString());
		}

		public void EndingJsCode(string scriptName, string script) // just before closing form tag
		{
			scriptName = scriptName.ToLower();
			StringBuilder loadScripts = new StringBuilder();
			loadScripts.Append("<script language='JavaScript'>\r\n" + script + "\r\n</script>\r\n\r\n");
			Page.ClientScript.RegisterStartupScript(typeof(String), scriptName, loadScripts.ToString());
		}

		public void DivOpening(string scriptName, string style)
		{
			StringBuilder loadScripts = new StringBuilder();
			loadScripts.Append("<div style='" + style + "'>\r\n");
			Page.ClientScript.RegisterClientScriptBlock(typeof(String), scriptName, loadScripts.ToString());
		}

		public void DivClosing(string scriptName)
		{
			StringBuilder loadScripts = new StringBuilder();
			loadScripts.Append("</div>\r\n\r\n");
			Page.ClientScript.RegisterClientScriptBlock(typeof(String), scriptName, loadScripts.ToString());
		}

		public string concatScriptCommand(string arg, string val)
		{
			return arg + " = \"" + val + "\";\r\n";
		}

		public string concatScriptCommand(string arg, int val)
		{
			return arg + " = " + val + ";\r\n";
		}
		#endregion


	}
}