[Magicajax-cvs] magicajax/Core/UI/Controls AjaxHtmlForm.cs,NONE,1.1 AjaxPanel.cs,1.49,1.50

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Update of /cvsroot/magicajax/magicajax/Core/UI/Controls
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv21237/magicajax/Core/UI/Controls

Modified Files:
	AjaxPanel.cs 
Added Files:
	AjaxHtmlForm.cs 
Log Message:
First support for scripts and hidden fields that were added during callback.
Still beta!

--- NEW FILE: AjaxHtmlForm.cs ---
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Collections;
using System.Collections.Specialized;
using System.Text.RegularExpressions;
using System.Text;

namespace MagicAjax.UI.Controls
{
	/// <summary>
	/// TODO. As you can see, this code is not yet finished
	/// </summary>
	public class AjaxHtmlForm : System.Web.UI.HtmlControls.HtmlForm
	{
		public AjaxHtmlForm() { }
		
		private ArrayList _previousScriptFPs = new ArrayList();
		private ArrayList _currentScriptFPs = new ArrayList();

		protected override void RenderChildren(HtmlTextWriter writer)
		{
			if (MagicAjaxContext.Current.IsAjaxCall)
			{
				// Get the fingerprints of the scripts sent previous time
				if (Page.Request.Form["__MAGICAJAX_SCRIPT_FINGERPRINTS"] != null)
				{
					_previousScriptFPs.AddRange(Page.Request.Form["__MAGICAJAX_SCRIPT_FINGERPRINTS"].Split(';'));
				}
				ReflectHiddenFields();
				//ReflectWebFormScript(); ??
				ReflectClientScriptBlocks();
			}
			else 
			{
				SetAllScriptFingerPrints();
				
				Page.ClientScript.RegisterHiddenField("__MAGICAJAX_SCRIPT_FINGERPRINTS",
					string.Join(";", (string[])_currentScriptFPs.ToArray(typeof(string))));
			}

			base.RenderChildren(writer);
			
			if (MagicAjaxContext.Current.IsAjaxCall)
			{
				ReflectArrayDeclares();
				//ReflectExpandoAttribute(); !!
				ReflectClientStartupScripts();

				//set __MAGICAJAX_SCRIPT_FINGERPRINTS field
				string newFingerprints = string.Join(";", (string[])_currentScriptFPs.ToArray(typeof(string)));
				
				if (Page.Request.Form["__MAGICAJAX_SCRIPT_FINGERPRINTS"] != newFingerprints)
				{
					AjaxCallHelper.WriteSetFieldScript("__MAGICAJAX_SCRIPT_FINGERPRINTS",
						string.Join(";", (string[])_currentScriptFPs.ToArray(typeof(string))));
				}
			}
		}
		
		private void ReflectClientScriptBlocks()
		{
			IDictionary regScripts = (IDictionary)(Util.GetPrivateField(Page.ClientScript, typeof(ClientScriptManager), "_registeredClientScriptBlocks"));
			SetScriptDictionaryFingerPrints(regScripts, true);

			//TODO: _registeredOnSubmitStatements !!

		}

		private void ReflectClientStartupScripts()
		{
			IDictionary regScripts = (IDictionary)(Util.GetPrivateField(Page.ClientScript, typeof(ClientScriptManager), "_registeredClientStartupScripts"));
			SetScriptDictionaryFingerPrints(regScripts, true);
		}
		
		private void ReflectArrayDeclares()
		{
			IDictionary regArrays = (IDictionary)(Util.GetPrivateField(Page.ClientScript, typeof(ClientScriptManager), "_registeredArrayDeclares"));
			SetArrayDictionaryFingerPrints(regArrays, true);
		}
		
		private void SetAllScriptFingerPrints()
		{
			IDictionary regScripts;
			
			//ReflectWebFormScript(); ??
			
			regScripts = (IDictionary)(Util.GetPrivateField(Page.ClientScript, typeof(ClientScriptManager), "_registeredClientScriptBlocks"));
			SetScriptDictionaryFingerPrints(regScripts, false);

			IDictionary regArrays = (IDictionary)(Util.GetPrivateField(Page.ClientScript, typeof(ClientScriptManager), "_registeredArrayDeclares"));
			SetArrayDictionaryFingerPrints(regArrays, false);
			
			//ReflectExpandoAttribute(); !!

			regScripts = (IDictionary)(Util.GetPrivateField(Page.ClientScript, typeof(ClientScriptManager), "_registeredClientStartupScripts"));
			SetScriptDictionaryFingerPrints(regScripts, false);
		}
		
		private void SetArrayDictionaryFingerPrints(IDictionary regArrays, bool reflectScripts)
		{
			if (regArrays != null)
			{
				foreach (DictionaryEntry fld in regArrays)
				{
					StringBuilder sb = new StringBuilder();

					string key = (string)fld.Key;
					ArrayList values = (ArrayList)fld.Value;
					
					sb.Append("var ");
					sb.Append(key);
					sb.Append(" =  new Array(");
					
					for (int i = 0; i<values.Count; i++)
					{
						if (i >0)
							sb.Append(", ");
						sb.Append((string)values[i]);
					}
					sb.Append(");");

					string script = sb.ToString();
					string scriptFP = Util.GetFingerprint(script);

					_currentScriptFPs.Add(scriptFP);
					
					if (reflectScripts && !_previousScriptFPs.Contains(scriptFP))
					{
						NameValueCollection scriptAttributes = new NameValueCollection();
						scriptAttributes.Add("type", "text/javascript");
						AjaxCallHelper.WriteAddScriptElementScript(script, scriptAttributes);
					}
				}
			}
		}

		private void SetScriptDictionaryFingerPrints(IDictionary regScripts, bool reflectScripts)
		{
			if (regScripts != null)
			{
				foreach (DictionaryEntry fld in regScripts)
				{
					int keyHash = fld.Key.GetHashCode();
					string script = (string)fld.Value;
					string scriptFP = Util.GetFingerprint(string.Format("{0}:{1}", keyHash, script));
					
					_currentScriptFPs.Add(scriptFP);

					if (reflectScripts && !_previousScriptFPs.Contains(scriptFP))
					{
						if (!script.StartsWith("\r\n<script"))
						{
							NameValueCollection scriptAttributes = new NameValueCollection();
							scriptAttributes.Add("type", "text/javascript");
							AjaxCallHelper.WriteAddScriptElementScript(script, scriptAttributes);
						}
						else
						{
							Match match = Util.ScriptTagsRegEx.Match(script);
							if (match.Success)
							{
								CaptureCollection attrnamesOption = match.Groups["attrname"].Captures;
								CaptureCollection attrvaluesOption = match.Groups["attrvalue"].Captures;

								NameValueCollection scriptAttributes = new NameValueCollection();
								for (int j = 0; j < attrnamesOption.Count; j++)
								{
									scriptAttributes.Add(attrnamesOption[j].Value, attrvaluesOption[j].Value);
								}

								string scriptText = match.Groups["script"].Value;

								AjaxCallHelper.WriteAddScriptElementScript(scriptText, scriptAttributes);
							}
						}
					}
				}
			}
		}

		/// <summary>
		/// Reflects hidden fields back to client
		/// </summary>
		/// <param name="page"></param>
		private void ReflectHiddenFields()
		{
			IDictionary regFields = (IDictionary)(Util.GetPrivateField(Page.ClientScript, typeof(ClientScriptManager), "_registeredHiddenFields"));
			// for 1.1: IDictionary regFields = (IDictionary)(Util.GetPrivateField(Page, typeof(Page), "_registeredHiddenFields"));

			if (regFields != null)
			{
				foreach (DictionaryEntry fld in regFields)
				{
					string key = (string)fld.Key;
					string value = (string)fld.Value;
					// For now, don't reflect system hidden fields (starting with "__").
					// TODO: find out why __VIEWSTATE is never registered...?
					if (key != null && !key.StartsWith("__"))
					{
						if (Page.Request.Form[key] == null)
							AjaxCallHelper.WriteAddHiddenFieldScript(key, value);
						else
							AjaxCallHelper.WriteSetFieldScript(key, value);
					}
				}
			}
		}
	}
}
Index: AjaxPanel.cs
===================================================================
RCS file: /cvsroot/magicajax/magicajax/Core/UI/Controls/AjaxPanel.cs,v
retrieving revision 1.49
retrieving revision 1.50
diff -C2 -d -r1.49 -r1.50
*** AjaxPanel.cs	7 Jan 2006 08:03:47 -0000	1.49
--- AjaxPanel.cs	20 Jan 2006 01:35:56 -0000	1.50
***************
*** 275,279 ****
  			}
  
! 			//disabling clientside validation inside AjaxPanels (not yet handled correctly)
  			// Clientside validation throws errors when a validator becomes invisible
  			// during an AjaxCall (the validator is gone while the script checking for
--- 275,279 ----
  			}
  
! 			//disabling clientside validation inside AjaxPanels (not yet handled correctly for Page-store mode)
  			// Clientside validation throws errors when a validator becomes invisible
  			// during an AjaxCall (the validator is gone while the script checking for
***************
*** 281,285 ****
  			// TODO: Find a way to avoid problems of scripts that invisible controls
  			// leave behind.
! 			DisableClientValidators();
  		}
  		#endregion
--- 281,289 ----
  			// TODO: Find a way to avoid problems of scripts that invisible controls
  			// leave behind.
! 			
! 			if ( !this.MagicAjaxContext.IsPageNoStoreMode )
! 			{
! 				DisableClientValidators();
! 			}
  		}
  		#endregion
***************
*** 1334,1338 ****
  					if (HttpContext.Current.Request.Form[panelKey] != serializedPanelFingerprints)
  					{
! 						AjaxCallHelper.WriteSetFieldScript(panelKey, serializedPanelFingerprints);
  					}
  				}
--- 1338,1343 ----
  					if (HttpContext.Current.Request.Form[panelKey] != serializedPanelFingerprints)
  					{
! 						//NOTE: reflecting hidden hields is done elsewhere
! 						//AjaxCallHelper.WriteSetFieldScript(panelKey, serializedPanelFingerprints);
  					}
  				}