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/*
Copyright (c) 2003-2012, 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
* <script>
* CKEDITOR.config.jqueryOverrideVal = true;
* </script>
* <!-- Important: The JQuery adapter is loaded *after* setting jqueryOverrideVal -->
* <script src="/ckeditor/adapters/jquery.js"></script>
* @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;
};
});
}
})();
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