[Magicajax-cvs] magicajax/Core/UI/Controls AjaxPanel.cs,1.28,1.29

[Argiris K. <be...@us...>]

Update of /cvsroot/magicajax/magicajax/Core/UI/Controls
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv13470/Core/UI/Controls

Modified Files:
	AjaxPanel.cs 
Log Message:
If the html fingerprint of a 'html holder' doesn't change, AjaxPanel 'reflects' the form controls to the client.

Index: AjaxPanel.cs
===================================================================
RCS file: /cvsroot/magicajax/magicajax/Core/UI/Controls/AjaxPanel.cs,v
retrieving revision 1.28
retrieving revision 1.29
diff -C2 -d -r1.28 -r1.29
*** AjaxPanel.cs	4 Dec 2005 03:25:15 -0000	1.28
--- AjaxPanel.cs	5 Dec 2005 18:44:31 -0000	1.29
***************
*** 23,26 ****
--- 23,27 ----
  using System.ComponentModel;
  using System.Collections;
+ using System.Collections.Specialized;
  using System.Web;
  using System.Web.UI;
***************
*** 274,278 ****
  		protected override void AddedControl(Control control, int index)
  		{
! 			if ( control is WebControl )
  			{
  				if ( IsPageNoStoreMode )
--- 275,279 ----
  		protected override void AddedControl(Control control, int index)
  		{
! 			if ( IsHtmlHolder(control) )
  			{
  				if ( IsPageNoStoreMode )
***************
*** 299,303 ****
  		protected override void RemovedControl(Control control)
  		{
! 			if ( control is WebControl )
  			{
  				if (_addedControls.Contains(control))
--- 300,304 ----
  		protected override void RemovedControl(Control control)
  		{
! 			if ( IsHtmlHolder(control) )
  			{
  				if (_addedControls.Contains(control))
***************
*** 334,341 ****
  				Control con = Controls[i];
  
! 				// Put inside span tag only WebControls
! 				bool isWebControl = ( con is WebControl );
  
! 				if ( isWebControl )
  				{
  					writer.WriteBeginTag ("span");
--- 335,342 ----
  				Control con = Controls[i];
  
! 				// Put inside span tag only html holder controls
! 				bool isHtmlHolder = IsHtmlHolder(con);
  
! 				if ( isHtmlHolder )
  				{
  					writer.WriteBeginTag ("span");
***************
*** 354,358 ****
  				string html = sb.ToString();
  
! 				if ( isWebControl )
  				{
  					_controlHtmlFingerprints[con] = Util.GetFingerprint(html);
--- 355,359 ----
  				string html = sb.ToString();
  
! 				if ( isHtmlHolder )
  				{
  					_controlHtmlFingerprints[con] = Util.GetFingerprint(html);
***************
*** 401,405 ****
  			foreach (Control con in this.Controls)
  			{
! 				if ( con is WebControl )
  				{
  					if (_controlState.ControlHtmlFingerprints.ContainsKey(con.ClientID))
--- 402,406 ----
  			foreach (Control con in this.Controls)
  			{
! 				if ( IsHtmlHolder(con) )
  				{
  					if (_controlState.ControlHtmlFingerprints.ContainsKey(con.ClientID))
***************
*** 420,423 ****
--- 421,690 ----
  		}
  
+ 		/// <summary>
+ 		/// Determines whether the AjaxPanel should treat the given control as a separate
+ 		/// 'html holder' to compare and 'reflect' its html rendering.
+ 		/// </summary>
+ 		/// <remarks>
+ 		/// Only WebControls, excluding RenderedByScriptControls, are considered html holders.
+ 		/// </remarks>
+ 		/// <param name="control"></param>
+ 		/// <returns></returns>
+ 		protected virtual bool IsHtmlHolder (Control control)
+ 		{
+            return ( control is WebControl && !(control is RenderedByScriptControl) );
+ 		}
+ 
+ 		protected void ReflectContainedFormControls (Control container)
+ 		{
+             ArrayList elems = new ArrayList();
+ 			if ( container is IPostBackDataHandler )
+ 				elems.Add (container);
+ 			elems.AddRange (Util.GetChildControlsOfType(container, typeof(IPostBackDataHandler), typeof(RenderedByScriptControl), true));
+ 
+             for (int i=0; i < elems.Count; i++)
+ 				ReflectFormControl (elems[i] as Control);
+ 		}
+ 
+ 		protected void ReflectLiteralFormControls()
+ 		{
+ 			for (int i=0; i < this.Controls.Count; i++)
+ 			{
+ 				if ( ! IsHtmlHolder(this.Controls[i]) )
+ 					ReflectContainedFormControls (this.Controls[i]);
+ 			}
+ 		}
+ 
+ 		#region ReflectFormControl
+ 		/// <summary>
+ 		/// Compares the value of the form control with the value of the client's
+ 		/// form element and sends javascript command to corrent the client's element
+ 		/// if necessary.
+ 		/// </summary>
+ 		/// <param name="control"></param>
+ 		protected virtual void ReflectFormControl (Control control)
+ 		{
+ 			NameValueCollection form = Context.Request.Form;
+ 
+ 			if ( control is WebControl )
+ 			{
+ 				#region Reflecting for WebControls
+ 
+ 				string id = control.UniqueID;
+ 
+ 				if ( control is RadioButton )
+ 				{
+ 					RadioButton radio = control as RadioButton;
+                     int index = radio.UniqueID.LastIndexOf(':');
+ 					string uniqueGroupName = radio.UniqueID.Substring(0, index + 1) + radio.GroupName;
+ 					if ( radio.Checked && form[uniqueGroupName] != radio.ID )
+ 					{
+ 						AjaxCallHelper.WriteFormat ("document.forms[0][\"{0}\"].checked=true;\r\n", control.ClientID);
+ 					}
+ 					else if ( !radio.Checked && form[uniqueGroupName] == radio.ID )
+ 					{
+ 						AjaxCallHelper.WriteFormat ("document.forms[0][\"{0}\"].checked=false;\r\n", control.ClientID);
+ 					}
+ 				}
+ 				else if ( control is CheckBox )
+ 				{
+ 					if ( !(control.Parent is CheckBoxList) )
+ 					{
+ 						CheckBox chkbox = control as CheckBox;
+ 						if ( chkbox.Checked != (form[id] != null) )
+ 							AjaxCallHelper.WriteFormat ("document.forms[0][\"{0}\"].checked={1};\r\n", id, (chkbox.Checked) ? "true" : "false");
+ 					}
+ 				}
+ 				else if ( control is CheckBoxList )
+ 				{
+ 					CheckBoxList chklist = control as CheckBoxList;
+ 					for (int i=0; i < chklist.Items.Count; i++)
+ 					{
+ 						string itemid = String.Format("{0}:{1}", id, i);
+ 						if ( chklist.Items[i].Selected != (form[itemid] != null) )
+ 							AjaxCallHelper.WriteFormat ("document.forms[0][\"{0}\"].checked={1};\r\n", itemid, (chklist.Items[i].Selected) ? "true" : "false");
+ 					}
+ 				}
+ 				else if ( control is DropDownList )
+ 				{
+ 					DropDownList ddlist = control as DropDownList;
+ 					if ( (ddlist.SelectedIndex == -1 && form[id] != null)
+ 						|| ddlist.SelectedValue != form[id] )
+                         AjaxCallHelper.WriteSetFieldScript (id, ddlist.SelectedValue);
+ 				}
+ 				else if ( control is ListBox )
+ 				{
+ 					ListBox lstbox = control as ListBox;
+ 					if ( ListSelectionMode.Single == lstbox.SelectionMode )
+ 					{
+ 						if ( (lstbox.SelectedIndex == -1 && form[id] != null)
+ 							|| lstbox.SelectedValue != form[id] )
+ 							AjaxCallHelper.WriteSetFieldScript (id, lstbox.SelectedValue);
+ 					}
+ 					else
+ 					{
+ 						string[] selections = form.GetValues(id);
+ 						bool elemWritten = false;
+ 
+ 						// Make selections
+ 						for (int i=0; i < lstbox.Items.Count; i++)
+ 						{
+ 							if (lstbox.Items[i].Selected && Array.IndexOf(selections, lstbox.Items[i].Value) == -1)
+ 							{
+ 								if ( ! elemWritten )
+ 								{
+ 									AjaxCallHelper.WriteFormat ("elem=document.forms[0][\"{0}\"];\r\n", id);
+ 									elemWritten = true;
+ 								}
+ 								AjaxCallHelper.WriteFormat ("elem.options[{0}].selected=true;\r\n", i);
+ 							}
+ 						}
+ 
+ 						// Make unselections
+ 						for (int i=0; i < selections.Length; i++)
+ 						{
+ 							for (int itemi=0; itemi < lstbox.Items.Count; itemi++)
+ 							{
+ 								if ( lstbox.Items[itemi].Value == selections[i] )
+ 								{
+ 									if ( ! lstbox.Items[itemi].Selected )
+ 									{
+ 										if ( ! elemWritten )
+ 										{
+ 											AjaxCallHelper.WriteFormat ("elem=document.forms[0][\"{0}\"];\r\n", id);
+ 											elemWritten = true;
+ 										}
+ 										AjaxCallHelper.WriteFormat ("elem.options[{0}].selected=false;\r\n", itemi);
+ 									}
+ 									break;
+ 								}
+ 							}
+ 						}
+ 					}
+ 				}
+ 				else if ( control is RadioButtonList )
+ 				{
+                     RadioButtonList rblist = control as RadioButtonList;
+ 					if ( rblist.SelectedIndex == -1 && form[id] != null )
+ 					{
+ 						// Clear selection
+ 						for (int i=0; i < rblist.Items.Count; i++)
+ 						{
+ 							if (rblist.Items[i].Value == form[id])
+ 							{
+ 								AjaxCallHelper.WriteFormat ("document.forms[0][\"{0}\"].checked=false;\r\n", String.Format("{0}_{1}", control.ClientID, i));
+ 								break;
+ 							}
+ 						}
+ 					}
+ 					else if ( rblist.SelectedIndex != -1 && rblist.SelectedValue != form[id] )
+ 					{
+ 						// Make selection
+ 						AjaxCallHelper.WriteFormat ("document.forms[0][\"{0}\"].checked=true;\r\n", String.Format("{0}_{1}", control.ClientID, rblist.SelectedIndex));
+ 					}
+     			}
+ 				else if ( control is TextBox )
+ 				{
+ 					TextBox txtbox = control as TextBox;
+ 					if ( txtbox.Text != form[id] )
+ 						AjaxCallHelper.WriteSetFieldScript (id, txtbox.Text);
+ 				}
+ 
+ 				#endregion
+ 			}
+ 			else if ( control is HtmlControl )
+ 			{
+ 				#region Reflecting for HtmlControls
+ 
+ 				if ( control is HtmlInputCheckBox )
+ 				{
+ 					HtmlInputCheckBox chkbox = control as HtmlInputCheckBox;
+ 					if ( chkbox.Checked != (form[chkbox.Name] != null) )
+ 						AjaxCallHelper.WriteFormat ("document.forms[0][\"{0}\"].checked={1};\r\n", chkbox.Name, (chkbox.Checked) ? "true" : "false");
+ 				}
+ 				else if ( control is HtmlInputRadioButton )
+ 				{
+ 					HtmlInputRadioButton radio = control as HtmlInputRadioButton;
+ 					if ( radio.Name != String.Empty )
+ 					{
+ 						int index = radio.UniqueID.LastIndexOf(':');
+ 						string uniqueName = radio.UniqueID.Substring(0, index + 1) + radio.Name;
+ 						if ( radio.Checked && form[uniqueName] != radio.ID )
+ 						{
+ 							AjaxCallHelper.WriteFormat ("document.forms[0][\"{0}\"].checked=true;\r\n", control.ClientID);
+ 						}
+ 						else if ( !radio.Checked && form[uniqueName] == radio.ID )
+ 						{
+ 							AjaxCallHelper.WriteFormat ("document.forms[0][\"{0}\"].checked=false;\r\n", control.ClientID);
+ 						}
+ 					}
+ 				}
+ 				else if ( control is HtmlInputText )
+ 				{
+ 					HtmlInputText txtbox = control as HtmlInputText;
+ 					if ( txtbox.Value != form[txtbox.Name] )
+ 						AjaxCallHelper.WriteSetFieldScript (txtbox.Name, txtbox.Value);
+ 				}
+ 				else if ( control is HtmlSelect )
+ 				{
+ 					HtmlSelect sel = control as HtmlSelect;
+ 					if ( ! sel.Multiple )
+ 					{
+ 						if ( (sel.SelectedIndex == -1 && form[sel.Name] != null)
+ 							|| sel.Value != form[sel.Name] )
+ 							AjaxCallHelper.WriteSetFieldScript (sel.Name, sel.Value);
+ 					}
+ 					else
+ 					{
+ 						string[] selections = form.GetValues(sel.Name);
+ 						bool elemWritten = false;
+ 
+ 						// Make selections
+ 						for (int i=0; i < sel.Items.Count; i++)
+ 						{
+ 							if (sel.Items[i].Selected && Array.IndexOf(selections, sel.Items[i].Value) == -1)
+ 							{
+ 								if ( ! elemWritten )
+ 								{
+ 									AjaxCallHelper.WriteFormat ("elem=document.forms[0][\"{0}\"];\r\n", sel.Name);
+ 									elemWritten = true;
+ 								}
+ 								AjaxCallHelper.WriteFormat ("elem.options[{0}].selected=true;\r\n", i);
+ 							}
+ 						}
+ 
+ 						// Make unselections
+ 						for (int i=0; i < selections.Length; i++)
+ 						{
+ 							for (int itemi=0; itemi < sel.Items.Count; itemi++)
+ 							{
+ 								if ( sel.Items[itemi].Value == selections[i] )
+ 								{
+ 									if ( ! sel.Items[itemi].Selected )
+ 									{
+ 										if ( ! elemWritten )
+ 										{
+ 											AjaxCallHelper.WriteFormat ("elem=document.forms[0][\"{0}\"];\r\n", sel.Name);
+ 											elemWritten = true;
+ 										}
+ 										AjaxCallHelper.WriteFormat ("elem.options[{0}].selected=false;\r\n", itemi);
+ 									}
+ 									break;
+ 								}
+ 							}
+ 						}
+ 					}
+ 				}
+ 				else if ( control is HtmlTextArea )
+ 				{
+ 					HtmlTextArea txtbox = control as HtmlTextArea;
+ 					if ( txtbox.Value != form[txtbox.Name] )
+ 						AjaxCallHelper.WriteSetFieldScript (txtbox.Name, txtbox.Value);
+ 				}
+ 
+ 				#endregion
+ 			}
+ 		}
+ 		#endregion
+ 
  		#region override PutTagOnPageForAjaxCall
  		/// <summary>
***************
*** 479,486 ****
  					Control con = Controls[i];
  
! 					// Put inside span tag only WebControls
! 					bool isWebControl = ( con is WebControl );
  
! 					if ( isWebControl )
  					{
  						fullwriter.WriteBeginTag ("span");
--- 746,753 ----
  					Control con = Controls[i];
  
! 					// Put inside span tag only html holder controls
! 					bool isHtmlHolder = IsHtmlHolder(con);
  
! 					if ( isHtmlHolder )
  					{
  						fullwriter.WriteBeginTag ("span");
***************
*** 498,502 ****
  					string html = sb.ToString();
  
! 					if ( isWebControl )
  					{
  						fullwriter.WriteEndTag ("span");
--- 765,769 ----
  					string html = sb.ToString();
  
! 					if ( isHtmlHolder )
  					{
  						fullwriter.WriteEndTag ("span");
***************
*** 535,542 ****
  					Control con = Controls[i];
  
! 					// Only WebControls are inside a span tag
! 					bool isWebControl = ( con is WebControl );
  
! 					if ( isWebControl )
  					{
  						literalwriter.WriteBeginTag ("span");
--- 802,809 ----
  					Control con = Controls[i];
  
! 					// Only html holder controls are inside a span tag
! 					bool isHtmlHolder = IsHtmlHolder(con);
  
! 					if ( isHtmlHolder )
  					{
  						literalwriter.WriteBeginTag ("span");
***************
*** 550,554 ****
  					sbFull.Length = sb.Length = 0;
  
! 					if ( isWebControl && _addedControls.Contains(con) )
  					{
  						// It's a new control, create it on the client at the appropriate place.
--- 817,821 ----
  					sbFull.Length = sb.Length = 0;
  
! 					if ( isHtmlHolder && _addedControls.Contains(con) )
  					{
  						// It's a new control, create it on the client at the appropriate place.
***************
*** 575,585 ****
  						html = sb.ToString();
  
! 						if ( isWebControl )
  						{
  							string htmlFingerprint = Util.GetFingerprint(html);
  
! 							// If it's html rendering fingerprint is the same, ignore it.
! 							if (htmlFingerprint != (string)_controlHtmlFingerprints[con])
  							{
  								ExtendedWriteSetHtmlOfElementScript(html, GetAjaxElemID(con));
  								_controlHtmlFingerprints[con] = htmlFingerprint;
--- 842,860 ----
  						html = sb.ToString();
  
! 						if ( isHtmlHolder )
  						{
  							string htmlFingerprint = Util.GetFingerprint(html);
  
! 							if (htmlFingerprint == (string)_controlHtmlFingerprints[con])
! 							{
! 								// Its html rendering fingerprint is the same, ignore the
! 								// html and compare the form elements that it contains
! 								// with those on client's page.
!                                 ReflectContainedFormControls (con);
! 							}
! 							else
  							{
+ 								// Its html rendering fingerprint has changed,
+ 								// "reflect" its html on client.
  								ExtendedWriteSetHtmlOfElementScript(html, GetAjaxElemID(con));
  								_controlHtmlFingerprints[con] = htmlFingerprint;
***************
*** 602,606 ****
  				string literalhtml = sbLiteral.ToString();
  				string literalFingerprint = Util.GetFingerprint(literalhtml);
! 				if ( _controlState.LiteralFingerprint != literalFingerprint )
  				{
  					ExtendedWriteSetHtmlOfElementScript (literalhtml, this.ClientID);
--- 877,885 ----
  				string literalhtml = sbLiteral.ToString();
  				string literalFingerprint = Util.GetFingerprint(literalhtml);
! 				if ( _controlState.LiteralFingerprint == literalFingerprint )
! 				{
! 					ReflectLiteralFormControls();
! 				}
! 				else
  				{
  					ExtendedWriteSetHtmlOfElementScript (literalhtml, this.ClientID);
***************
*** 765,769 ****
  		private void InitValidators()
  		{
! 			ArrayList validators = Util.GetChildControlsOfType(this, typeof(BaseValidator), true);
  			foreach (BaseValidator validator in validators)
  			{
--- 1044,1048 ----
  		private void InitValidators()
  		{
! 			ArrayList validators = Util.GetChildControlsOfType(this, typeof(BaseValidator), typeof(RenderedByScriptControl), true);
  			foreach (BaseValidator validator in validators)
  			{
***************
*** 776,780 ****
  		private void DisableClientValidators()
  		{
! 			ArrayList validators = Util.GetChildControlsOfType(this, typeof(BaseValidator), true);
  			foreach (BaseValidator validator in validators)
  			{
--- 1055,1059 ----
  		private void DisableClientValidators()
  		{
! 			ArrayList validators = Util.GetChildControlsOfType(this, typeof(BaseValidator), typeof(RenderedByScriptControl), true);
  			foreach (BaseValidator validator in validators)
  			{