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+/*
+Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
+For licensing, see LICENSE.html or http://ckeditor.com/license
+*/
+
+/**
+ * @fileOverview jQuery adapter provides easy use of basic CKEditor functions
+ *   and access to internal API. It also integrates some aspects of CKEditor with
+ *   jQuery framework.
+ *
+ * Every TEXTAREA, DIV and P elements can be converted to working editor.
+ *
+ * Plugin exposes some of editor's event to jQuery event system. All of those are namespaces inside
+ * ".ckeditor" namespace and can be binded/listened on supported textarea, div and p nodes.
+ *
+ * Available jQuery events:
+ * - instanceReady.ckeditor( editor, rootNode )
+ *   Triggered when new instance is ready.
+ * - destroy.ckeditor( editor )
+ *   Triggered when instance is destroyed.
+ * - getData.ckeditor( editor, eventData )
+ *   Triggered when getData event is fired inside editor. It can change returned data using eventData reference.
+ * - setData.ckeditor( editor )
+ *   Triggered when getData event is fired inside editor.
+ *
+ * @example
+ * <script src="jquery.js"></script>
+ * <script src="ckeditor.js"></script>
+ * <script src="adapters/jquery/adapter.js"></script>
+ */
+
+(function()
+{
+	/**
+	 * Allows CKEditor to override jQuery.fn.val(), making it possible to use the val()
+	 * function on textareas, as usual, having it synchronized with CKEditor.<br>
+	 * <br>
+	 * This configuration option is global and executed during the jQuery Adapter loading.
+	 * It can't be customized across editor instances.
+	 * @type Boolean
+	 * @example
+	 * &lt;script&gt;
+	 * CKEDITOR.config.jqueryOverrideVal = true;
+	 * &lt;/script&gt;
+	 * &lt;!-- Important: The JQuery adapter is loaded *after* setting jqueryOverrideVal --&gt;
+	 * &lt;script src="/ckeditor/adapters/jquery.js"&gt;&lt;/script&gt;
+	 * @example
+	 * // ... then later in the code ...
+	 *
+	 * $( 'textarea' ).ckeditor();
+	 * // ...
+	 * $( 'textarea' ).val( 'New content' );
+	 */
+	CKEDITOR.config.jqueryOverrideVal = typeof CKEDITOR.config.jqueryOverrideVal == 'undefined'
+		? true : CKEDITOR.config.jqueryOverrideVal;
+
+	var jQuery = window.jQuery;
+
+	if ( typeof jQuery == 'undefined' )
+		return;
+
+	// jQuery object methods.
+	jQuery.extend( jQuery.fn,
+	/** @lends jQuery.fn */
+	{
+		/**
+		 * Return existing CKEditor instance for first matched element.
+		 * Allows to easily use internal API. Doesn't return jQuery object.
+		 *
+		 * Raised exception if editor doesn't exist or isn't ready yet.
+		 *
+		 * @name jQuery.ckeditorGet
+		 * @return CKEDITOR.editor
+		 * @see CKEDITOR.editor
+		 */
+		ckeditorGet: function()
+		{
+			var instance = this.eq( 0 ).data( 'ckeditorInstance' );
+			if ( !instance )
+				throw "CKEditor not yet initialized, use ckeditor() with callback.";
+			return instance;
+		},
+		/**
+		 * Triggers creation of CKEditor in all matched elements (reduced to DIV, P and TEXTAREAs).
+		 * Binds callback to instanceReady event of all instances. If editor is already created, than
+		 * callback is fired right away.
+		 *
+		 * Mixed parameter order allowed.
+		 *
+		 * @param callback Function to be run on editor instance. Passed parameters: [ textarea ].
+		 * Callback is fiered in "this" scope being ckeditor instance and having source textarea as first param.
+		 *
+		 * @param config Configuration options for new instance(s) if not already created.
+		 * See URL
+		 *
+		 * @example
+		 * $( 'textarea' ).ckeditor( function( textarea ) {
+		 *   $( textarea ).val( this.getData() )
+		 * } );
+		 *
+		 * @name jQuery.fn.ckeditor
+		 * @return jQuery.fn
+		 */
+		ckeditor: function( callback, config )
+		{
+			if ( !CKEDITOR.env.isCompatible )
+				return this;
+
+			if ( !jQuery.isFunction( callback ))
+			{
+				var tmp = config;
+				config = callback;
+				callback = tmp;
+			}
+			config = config || {};
+
+			this.filter( 'textarea, div, p' ).each( function()
+			{
+				var $element = jQuery( this ),
+					editor = $element.data( 'ckeditorInstance' ),
+					instanceLock = $element.data( '_ckeditorInstanceLock' ),
+					element = this;
+
+				if ( editor && !instanceLock )
+				{
+					if ( callback )
+						callback.apply( editor, [ this ] );
+				}
+				else if ( !instanceLock )
+				{
+					// CREATE NEW INSTANCE
+
+					// Handle config.autoUpdateElement inside this plugin if desired.
+					if ( config.autoUpdateElement
+						|| ( typeof config.autoUpdateElement == 'undefined' && CKEDITOR.config.autoUpdateElement ) )
+					{
+						config.autoUpdateElementJquery = true;
+					}
+
+					// Always disable config.autoUpdateElement.
+					config.autoUpdateElement = false;
+					$element.data( '_ckeditorInstanceLock', true );
+
+					// Set instance reference in element's data.
+					editor = CKEDITOR.replace( element, config );
+					$element.data( 'ckeditorInstance', editor );
+
+					// Register callback.
+					editor.on( 'instanceReady', function( event )
+					{
+						var editor = event.editor;
+						setTimeout( function()
+						{
+							// Delay bit more if editor is still not ready.
+							if ( !editor.element )
+							{
+								setTimeout( arguments.callee, 100 );
+								return;
+							}
+
+							// Remove this listener.
+							event.removeListener( 'instanceReady', this.callee );
+
+							// Forward setData on dataReady.
+							editor.on( 'dataReady', function()
+							{
+								$element.trigger( 'setData' + '.ckeditor', [ editor ] );
+							});
+
+							// Forward getData.
+							editor.on( 'getData', function( event ) {
+								$element.trigger( 'getData' + '.ckeditor', [ editor, event.data ] );
+							}, 999 );
+
+							// Forward destroy event.
+							editor.on( 'destroy', function()
+							{
+								$element.trigger( 'destroy.ckeditor', [ editor ] );
+							});
+
+							// Integrate with form submit.
+							if ( editor.config.autoUpdateElementJquery && $element.is( 'textarea' ) && $element.parents( 'form' ).length )
+							{
+								var onSubmit = function()
+								{
+									$element.ckeditor( function()
+									{
+										editor.updateElement();
+									});
+								};
+
+								// Bind to submit event.
+								$element.parents( 'form' ).submit( onSubmit );
+
+								// Bind to form-pre-serialize from jQuery Forms plugin.
+								$element.parents( 'form' ).bind( 'form-pre-serialize', onSubmit );
+
+								// Unbind when editor destroyed.
+								$element.bind( 'destroy.ckeditor', function()
+								{
+									$element.parents( 'form' ).unbind( 'submit', onSubmit );
+									$element.parents( 'form' ).unbind( 'form-pre-serialize', onSubmit );
+								});
+							}
+
+							// Garbage collect on destroy.
+							editor.on( 'destroy', function()
+							{
+								$element.data( 'ckeditorInstance', null );
+							});
+
+							// Remove lock.
+							$element.data( '_ckeditorInstanceLock', null );
+
+							// Fire instanceReady event.
+							$element.trigger( 'instanceReady.ckeditor', [ editor ] );
+
+							// Run given (first) code.
+							if ( callback )
+								callback.apply( editor, [ element ] );
+						}, 0 );
+					}, null, null, 9999);
+				}
+				else
+				{
+					// Editor is already during creation process, bind our code to the event.
+					CKEDITOR.on( 'instanceReady', function( event )
+					{
+						var editor = event.editor;
+						setTimeout( function()
+						{
+							// Delay bit more if editor is still not ready.
+							if ( !editor.element )
+							{
+								setTimeout( arguments.callee, 100 );
+								return;
+							}
+
+							if ( editor.element.$ == element )
+							{
+								// Run given code.
+								if ( callback )
+									callback.apply( editor, [ element ] );
+							}
+						}, 0 );
+					}, null, null, 9999);
+				}
+			});
+			return this;
+		}
+	});
+
+	// New val() method for objects.
+	if ( CKEDITOR.config.jqueryOverrideVal )
+	{
+		jQuery.fn.val = CKEDITOR.tools.override( jQuery.fn.val, function( oldValMethod )
+		{
+			/**
+			 * CKEditor-aware val() method.
+			 *
+			 * Acts same as original jQuery val(), but for textareas which have CKEditor instances binded to them, method
+			 * returns editor's content. It also works for settings values.
+			 *
+			 * @param oldValMethod
+			 * @name jQuery.fn.val
+			 */
+			return function( newValue, forceNative )
+			{
+				var isSetter = typeof newValue != 'undefined',
+					result;
+
+				this.each( function()
+				{
+					var $this = jQuery( this ),
+						editor = $this.data( 'ckeditorInstance' );
+
+					if ( !forceNative && $this.is( 'textarea' ) && editor )
+					{
+						if ( isSetter )
+							editor.setData( newValue );
+						else
+						{
+							result = editor.getData();
+							// break;
+							return null;
+						}
+					}
+					else
+					{
+						if ( isSetter )
+							oldValMethod.call( $this, newValue );
+						else
+						{
+							result = oldValMethod.call( $this );
+							// break;
+							return null;
+						}
+					}
+
+					return true;
+				});
+				return isSetter ? this : result;
+			};
+		});
+	}
+})();