From ee0a68eddb3c63d072a1e9844522d58ea8b31757 Mon Sep 17 00:00:00 2001
From: "ctrlaltca@gmail.com" <>
Date: Thu, 21 Jul 2011 17:22:36 +0000
Subject: added Gabor's HtmlArea registration patch (fixes #351)

---
 framework/Web/Javascripts/source/packages.php      |   5 ++
 .../Javascripts/source/prado/controls/htmlarea.js  | 100 +++++++++++++++++++++
 framework/Web/UI/WebControls/THtmlArea.php         |   3 +-
 3 files changed, 107 insertions(+), 1 deletion(-)
 create mode 100644 framework/Web/Javascripts/source/prado/controls/htmlarea.js

(limited to 'framework/Web')

diff --git a/framework/Web/Javascripts/source/packages.php b/framework/Web/Javascripts/source/packages.php
index a8484820..cff913f8 100644
--- a/framework/Web/Javascripts/source/packages.php
+++ b/framework/Web/Javascripts/source/packages.php
@@ -78,6 +78,10 @@ $packages = array(
 		'prado/controls/accordion.js'
 	),
 
+	'htmlarea'=>array(
+		'prado/controls/htmlarea.js'
+	),
+
 );
 
 
@@ -98,6 +102,7 @@ $dependencies = array(
 		'activefileupload'		=> array('prado', 'effects', 'ajax', 'activefileupload'),
 		'dragdropextra'			=> array('prado', 'effects', 'ajax', 'dragdrop','dragdropextra'),
 		'accordion'			=> array('prado', 'effects', 'accordion'),
+		'htmlarea'			=> array('prado', 'htmlarea'),
 );
 
 return array($packages, $dependencies);
diff --git a/framework/Web/Javascripts/source/prado/controls/htmlarea.js b/framework/Web/Javascripts/source/prado/controls/htmlarea.js
new file mode 100644
index 00000000..5ee01c05
--- /dev/null
+++ b/framework/Web/Javascripts/source/prado/controls/htmlarea.js
@@ -0,0 +1,100 @@
+
+/*
+ * 
+ * HtmlArea (tinyMCE) wrapper
+ *
+ * @author Gabor Berczi <gabor.berczi@devworx.hu>
+ *
+*/
+
+
+Prado.WebUI.THtmlArea = Class.create();
+Prado.WebUI.THtmlArea.prototype =
+{
+	initialize : function(options)
+	{
+		this.onInit(options);
+	},
+
+    	onInit : function(options)
+	{
+		if (typeof(tinyMCE)=='undefined') 
+			throw "TinyMCE libraries must be loaded first";
+
+		this.options = options;
+		this.id = options.elements;
+
+		var p = Prado.Registry.get(this.id);
+		if (p) p.deinitialize();
+
+		tinyMCE.init(options);
+
+		Prado.Registry.set(this.id, this);
+
+		var obj = this;
+		this.ajaxresponder = {
+			onComplete : function(request) 
+			{
+				if(request && request instanceof Prado.AjaxRequest)
+					obj.checkInstance();
+			}
+		};
+		this.registerAjaxHook();
+	},
+
+	checkInstance: function()
+	{
+		if (!document.getElementById(this.id))
+			this.deinitialize();
+	},
+
+	removePreviousInstance: function()
+	{
+		for(var i=0;i<tinyMCE.editors.length;i++)
+			if (tinyMCE.editors[i].id==this.id)
+			{
+				tinyMCE.editors = tinyMCE.editors.slice(0,i-1).concat(tinyMCE.editors.slice(i+1)); // ugly hack, but works
+				this.deRegisterAjaxHook();
+				Prado.Registry.unset(this.id);
+				i--;
+			}
+	},
+
+	registerAjaxHook: function()
+	{
+		if (typeof(Ajax)!="undefined")
+			if (typeof(Ajax.Responders)!="undefined")
+				Ajax.Responders.register(this.ajaxresponder);
+	},
+
+
+	deRegisterAjaxHook: function()
+	{
+		if (typeof(Ajax)!="undefined")
+			if (typeof(Ajax.Responders)!="undefined")
+				Ajax.Responders.unregister(this.ajaxresponder);
+	},
+
+	deinitialize: function()
+	{
+		// check for previous tinyMCE registration, and try to remove it gracefully first
+		var prev = tinyMCE.get(this.id);
+		if (prev)
+		try
+		{
+			tinyMCE.execCommand('mceFocus', false, this.id); 
+			tinyMCE.execCommand('mceRemoveControl', false, this.id);
+		}
+		catch (e) 
+		{
+			// suppress error here in case editor can't be properly removed
+			// (happens when <textarea> has been removed from DOM tree without deinitialzing the tinyMCE editor first)
+		}
+
+		// doublecheck editor instance here and remove manually from tinyMCE-registry if neccessary
+		this.removePreviousInstance();
+
+		this.deRegisterAjaxHook();
+	}
+}
+
diff --git a/framework/Web/UI/WebControls/THtmlArea.php b/framework/Web/UI/WebControls/THtmlArea.php
index 383411c5..e5d62c58 100644
--- a/framework/Web/UI/WebControls/THtmlArea.php
+++ b/framework/Web/UI/WebControls/THtmlArea.php
@@ -413,6 +413,7 @@ class THtmlArea extends TTextBox
 		$scripts = $this->getPage()->getClientScript();
 		if(!$scripts->isScriptFileRegistered('prado:THtmlArea'))
 			$scripts->registerScriptFile('prado:THtmlArea', $this->getScriptUrl());
+		$scripts->registerPradoScript('htmlarea');
 	}
 
 	/**
@@ -422,7 +423,7 @@ class THtmlArea extends TTextBox
 	{
 		$scripts = $this->getPage()->getClientScript();
 		$options = TJavaScript::encode($this->getEditorOptions(),true,true); // Force encoding of empty strings
-		$script = "if(typeof(tinyMCE)!='undefined')\r\n{ tinyMCE.init($options); }";
+		$script = "new Prado.WebUI.THtmlArea($options)";
 		$scripts->registerEndScript('prado:THtmlArea'.$this->ClientID,$script);
 	}
 
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