From aec092c914fb4a78fbc46361839822928694aca4 Mon Sep 17 00:00:00 2001
From: ctrlaltca <>
Date: Mon, 28 May 2012 06:56:42 +0000
Subject: Patch for #404

---
 .../Javascripts/source/prado/controls/htmlarea.js  | 69 +++++++++++++++++++---
 framework/Web/UI/WebControls/THtmlArea.php         | 39 ++++++------
 2 files changed, 79 insertions(+), 29 deletions(-)

diff --git a/framework/Web/Javascripts/source/prado/controls/htmlarea.js b/framework/Web/Javascripts/source/prado/controls/htmlarea.js
index 595b7928..4cb37c6f 100644
--- a/framework/Web/Javascripts/source/prado/controls/htmlarea.js
+++ b/framework/Web/Javascripts/source/prado/controls/htmlarea.js
@@ -12,19 +12,14 @@ Prado.WebUI.THtmlArea = Class.create(Prado.WebUI.Control,
 {
 	initialize: function($super, options)
 	{
-		options.ID = options.elements;
+		options.ID = options.EditorOptions.elements;
 		$super(options);
 	},
 
-    	onInit : function(options)
+    onInit : function(options)
 	{
-		if (typeof(tinyMCE)=='undefined') 
-			throw "TinyMCE libraries must be loaded first";
-
 		this.options = options;
 
-		tinyMCE.init(options);
-
 		var obj = this;
 		this.ajaxresponder = {
 			onComplete : function(request) 
@@ -34,6 +29,59 @@ Prado.WebUI.THtmlArea = Class.create(Prado.WebUI.Control,
 			}
 		};
 		this.registerAjaxHook();
+
+		this.registerInstance();
+	},
+	
+	registerInstance: function()
+	{
+		if (typeof tinyMCE_GZ == 'undefined')
+			{
+				if (typeof tinyMCE == 'undefined')
+					{
+						if (typeof Prado.CallbackRequest != 'undefined')
+							if (typeof Prado.CallbackRequest.transport != 'undefined')
+							{
+								// we're in a callback
+								// try it again in some time, as tinyMCE is most likely still loading
+								this.setTimeout(this.registerInstance.bind(this), 50); 
+								return;
+							}
+						throw "TinyMCE libraries must be loaded first";
+					}
+				Prado.WebUI.THtmlArea.tinyMCELoadState = 255;
+				this.initInstance();
+			}
+		else
+			if (Prado.WebUI.THtmlArea.tinyMCELoadState==255)
+				this.initInstance();
+			else
+				{
+					Prado.WebUI.THtmlArea.pendingRegistrations.push(this.options.ID);
+					if (Prado.WebUI.THtmlArea.tinyMCELoadState==0)
+					{
+						Prado.WebUI.THtmlArea.tinyMCELoadState = 1;
+						tinyMCE_GZ.init(
+							this.options.CompressionOptions,
+							this.compressedScriptsLoaded.bind(this)
+						);
+					}
+				}
+	},
+	
+	compressedScriptsLoaded: function()
+	{
+		Prado.WebUI.THtmlArea.tinyMCELoadState = 255;
+		tinymce.dom.Event._pageInit();
+		var wrapper;
+		while(Prado.WebUI.THtmlArea.pendingRegistrations.length>0)
+			if (wrapper = Prado.Registry.get(Prado.WebUI.THtmlArea.pendingRegistrations.pop()))
+				wrapper.initInstance();
+	},
+
+	initInstance: function()
+	{
+		tinyMCE.init(this.options.EditorOptions);
 	},
 
 	checkInstance: function()
@@ -92,3 +140,10 @@ Prado.WebUI.THtmlArea = Class.create(Prado.WebUI.Control,
 	}
 });
 
+Object.extend(Prado.WebUI.THtmlArea, 
+{
+	pendingRegistrations : [],
+	tinyMCELoadState : 0
+});
+
+
diff --git a/framework/Web/UI/WebControls/THtmlArea.php b/framework/Web/UI/WebControls/THtmlArea.php
index 22f8e5f5..b73e03d7 100644
--- a/framework/Web/UI/WebControls/THtmlArea.php
+++ b/framework/Web/UI/WebControls/THtmlArea.php
@@ -349,9 +349,6 @@ class THtmlArea extends TTextBox
 	public function onPreRender($param)
 	{
 		parent::onPreRender($param);
-		$this->loadJavascriptLibrary();
-		if($this->getEnableCompression())
-			$this->preLoadCompressedScript();
 	}
 
 	/**
@@ -389,31 +386,22 @@ class THtmlArea extends TTextBox
 		return self::$_themes;
 	}
 
-	protected function preLoadCompressedScript()
+	protected function getCompressionOptions()
 	{
-		$scripts = $this->getPage()->getClientScript();
-		$key = 'prado:THtmlArea:compressed';
-		if(!$scripts->isBeginScriptRegistered($key))
-		{
-			$options['plugins'] = implode(',', $this->getAvailablePlugins());
-			$options['themes'] = implode(',', $this->getAvailableThemes());
-			$options['languages'] = $this->getLanguageSuffix($this->getCulture());
-			$options['disk_cache'] = true;
-			$options['debug'] = false;
-			$js = TJavaScript::encode($options,true,true);
-			$script = "if(typeof(tinyMCE_GZ)!='undefined'){ tinyMCE_GZ.init({$js}); }";
-			if ($this->getPage()->getIsCallback())
-				$script.= 'tinymce.dom.Event._pageInit();';
-			$scripts->registerEndScript($key, $script);
-		}
+		return array(
+			'plugins' => implode(',', $this->getAvailablePlugins()),
+			'themes' => implode(',', $this->getAvailableThemes()),
+			'languages' => $this->getLanguageSuffix($this->getCulture()),
+			'disk_cache' => true,
+			'debug' => false
+		);
 	}
 
 	protected function loadJavascriptLibrary()
 	{
 		$scripts = $this->getPage()->getClientScript();
-		if(!$scripts->isScriptFileRegistered('prado:THtmlArea'))
-			$scripts->registerScriptFile('prado:THtmlArea', $this->getScriptUrl());
 		$scripts->registerPradoScript('htmlarea');
+		$scripts->registerScriptFile('prado:THtmlArea', $this->getScriptUrl());
 	}
 
 	/**
@@ -421,8 +409,15 @@ class THtmlArea extends TTextBox
 	 */
 	protected function registerEditorClientScript($writer)
 	{
+		$this->loadJavascriptLibrary();
 		$scripts = $this->getPage()->getClientScript();
-		$options = TJavaScript::encode($this->getEditorOptions(),true,true); // Force encoding of empty strings
+		$options = array(
+			'EditorOptions' => $this->getEditorOptions()
+		);
+		if($this->getEnableCompression())
+			$options['CompressionOptions'] = $this->getCompressionOptions();
+
+		$options = TJavaScript::encode($options,true,true);
 		$script = "new Prado.WebUI.THtmlArea($options)";
 		$scripts->registerEndScript('prado:THtmlArea'.$this->ClientID,$script);
 	}
-- 
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