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152
lib/ckeditor4/plugins/stylesheetparser/plugin.js Executable file
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/**
* @license Copyright (c) 2003-2013, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or http://ckeditor.com/license
*/
/**
* @fileOverview stylesheetParser plugin.
*/
(function() {
// We want to extract only the elements with classes defined in the stylesheets:
function parseClasses( aRules, skipSelectors, validSelectors ) {
// aRules are just the different rules in the style sheets
// We want to merge them and them split them by commas, so we end up with only
// the selectors
var s = aRules.join( ' ' );
// Remove selectors splitting the elements, leave only the class selector (.)
s = s.replace( /(,|>|\+|~)/g, ' ' );
// Remove attribute selectors: table[border="0"]
s = s.replace( /\[[^\]]*/g, '' );
// Remove Ids: div#main
s = s.replace( /#[^\s]*/g, '' );
// Remove pseudo-selectors and pseudo-elements: :hover :nth-child(2n+1) ::before
s = s.replace( /\:{1,2}[^\s]*/g, '' );
s = s.replace( /\s+/g, ' ' );
var aSelectors = s.split( ' ' ),
aClasses = [];
for ( var i = 0; i < aSelectors.length; i++ ) {
var selector = aSelectors[ i ];
if ( validSelectors.test( selector ) && !skipSelectors.test( selector ) ) {
// If we still don't know about this one, add it
if ( CKEDITOR.tools.indexOf( aClasses, selector ) == -1 )
aClasses.push( selector );
}
}
return aClasses;
}
function LoadStylesCSS( theDoc, skipSelectors, validSelectors ) {
var styles = [],
// It will hold all the rules of the applied stylesheets (except those internal to CKEditor)
aRules = [],
i;
for ( i = 0; i < theDoc.styleSheets.length; i++ ) {
var sheet = theDoc.styleSheets[ i ],
node = sheet.ownerNode || sheet.owningElement;
// Skip the internal stylesheets
if ( node.getAttribute( 'data-cke-temp' ) )
continue;
// Exclude stylesheets injected by extensions
if ( sheet.href && sheet.href.substr( 0, 9 ) == 'chrome://' )
continue;
// Bulletproof with x-domain content stylesheet.
try {
var sheetRules = sheet.cssRules || sheet.rules;
for ( var j = 0; j < sheetRules.length; j++ )
aRules.push( sheetRules[ j ].selectorText );
} catch ( e ) {}
}
var aClasses = parseClasses( aRules, skipSelectors, validSelectors );
// Add each style to our "Styles" collection.
for ( i = 0; i < aClasses.length; i++ ) {
var oElement = aClasses[ i ].split( '.' ),
element = oElement[ 0 ].toLowerCase(),
sClassName = oElement[ 1 ];
styles.push({
name: element + '.' + sClassName,
element: element,
attributes: { 'class': sClassName }
});
}
return styles;
}
// Register a plugin named "stylesheetparser".
CKEDITOR.plugins.add( 'stylesheetparser', {
init: function( editor ) {
// Stylesheet parser is incompatible with filter (#10136).
editor.filter.disable();
var cachedDefinitions;
editor.once( 'stylesSet', function( evt ) {
// Cancel event and fire it again when styles are ready.
evt.cancel();
// Overwrite editor#getStylesSet asap (contentDom is the first moment
// when editor.document is ready), but before stylescombo reads styles set (priority 5).
editor.once( 'contentDom', function() {
editor.getStylesSet( function( definitions ) {
// Rules that must be skipped
var skipSelectors = editor.config.stylesheetParser_skipSelectors || ( /(^body\.|^\.)/i ),
// Rules that are valid
validSelectors = editor.config.stylesheetParser_validSelectors || ( /\w+\.\w+/ );
cachedDefinitions = definitions.concat( LoadStylesCSS( editor.document.$, skipSelectors, validSelectors ) );
editor.getStylesSet = function( callback ) {
if ( cachedDefinitions )
return callback( cachedDefinitions );
};
editor.fire( 'stylesSet', { styles: cachedDefinitions } );
} );
} );
}, null, null, 1 );
}
});
})();
/**
* A regular expression that defines whether a CSS rule will be
* skipped by the Stylesheet Parser plugin. A CSS rule matching
* the regular expression will be ignored and will not be available
* in the Styles drop-down list.
*
* // Ignore rules for body and caption elements, classes starting with "high", and any class defined for no specific element.
* config.stylesheetParser_skipSelectors = /(^body\.|^caption\.|\.high|^\.)/i;
*
* @since 3.6
* @cfg {RegExp} [stylesheetParser_skipSelectors=/(^body\.|^\.)/i]
* @member CKEDITOR.config
* @see CKEDITOR.config#stylesheetParser_validSelectors
*/
/**
* A regular expression that defines which CSS rules will be used
* by the Stylesheet Parser plugin. A CSS rule matching the regular
* expression will be available in the Styles drop-down list.
*
* // Only add rules for p and span elements.
* config.stylesheetParser_validSelectors = /\^(p|span)\.\w+/;
*
* @since 3.6
* @cfg {RegExp} [stylesheetParser_validSelectors=/\w+\.\w+/]
* @member CKEDITOR.config
* @see CKEDITOR.config#stylesheetParser_skipSelectors
*/

70
lib/ckeditor4/plugins/stylesheetparser/samples/assets/sample.css Executable file
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body
{
font-family: Arial, Verdana, sans-serif;
font-size: 12px;
color: #222;
background-color: #fff;
}
/* preserved spaces for rtl list item bullets. (#6249)*/
ol,ul,dl
{
padding-right:40px;
}
h1,h2,h3,h4
{
font-family: Georgia, Times, serif;
}
h1.lightBlue
{
color: #00A6C7;
font-size: 1.8em;
font-weight:normal;
}
h3.green
{
color: #739E39;
font-weight:normal;
}
span.markYellow { background-color: yellow; }
span.markGreen { background-color: lime; }
img.left
{
padding: 5px;
margin-right: 5px;
float:left;
border:2px solid #DDD;
}
img.right
{
padding: 5px;
margin-right: 5px;
float:right;
border:2px solid #DDD;
}
a.green
{
color:#739E39;
}
table.grey
{
background-color : #F5F5F5;
}
table.grey th
{
background-color : #DDD;
}
ul.square
{
list-style-type : square;
}

82
lib/ckeditor4/plugins/stylesheetparser/samples/stylesheetparser.html Executable file
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<!DOCTYPE html>
<!--
Copyright (c) 2003-2013, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.md or http://ckeditor.com/license
-->
<html>
<head>
<title>Using Stylesheet Parser Plugin &mdash; CKEditor Sample</title>
<meta charset="utf-8">
<script src="../../../ckeditor.js"></script>
<script src="../../../samples/sample.js"></script>
<link rel="stylesheet" href="../../../samples/sample.css">
<meta name="ckeditor-sample-required-plugins" content="stylescombo">
<meta name="ckeditor-sample-name" content="Stylesheet Parser plugin">
<meta name="ckeditor-sample-description" content="Using the Stylesheet Parser plugin to fill the Styles drop-down list based on the CSS classes available in the document stylesheet.">
<meta name="ckeditor-sample-group" content="Plugins">
</head>
<body>
<h1 class="samples">
<a href="../../../samples/index.html">CKEditor Samples</a> &raquo; Using the Stylesheet Parser Plugin
</h1>
<div class="description">
<p>
This sample shows how to configure CKEditor instances to use the
<strong>Stylesheet Parser</strong> (<code>stylesheetparser</code>) plugin that fills
the <strong>Styles</strong> drop-down list based on the CSS rules available in the document stylesheet.
</p>
<p>
To add a CKEditor instance using the <code>stylesheetparser</code> plugin, insert
the following JavaScript call into your code:
</p>
<pre class="samples">
CKEDITOR.replace( '<em>textarea_id</em>', {
<strong>extraPlugins: 'stylesheetparser'</strong>
});</pre>
<p>
Note that <code><em>textarea_id</em></code> in the code above is the <code>id</code> attribute of
the <code>&lt;textarea&gt;</code> element to be replaced with CKEditor.
</p>
</div>
<form action="../../../samples/sample_posteddata.php" method="post">
<p>
<label for="editor1">
CKEditor using the <code>stylesheetparser</code> plugin with its default configuration:
</label>
<textarea cols="80" id="editor1" name="editor1" rows="10">&lt;p&gt;This is some &lt;strong&gt;sample text&lt;/strong&gt;. You are using &lt;a href="http://ckeditor.com/"&gt;CKEditor&lt;/a&gt;.&lt;/p&gt;</textarea>
<script>
// This call can be placed at any point after the
// <textarea>, or inside a <head><script> in a
// window.onload event handler.
// Replace the <textarea id="editor"> with an CKEditor
// instance, using default configurations.
CKEDITOR.replace( 'editor1' , {
extraPlugins: 'stylesheetparser',
// Stylesheet for the contents.
contentsCss: 'assets/sample.css',
// Do not load the default Styles configuration.
stylesSet: []
});
</script>
</p>
<p>
<input type="submit" value="Submit">
</p>
</form>
<div id="footer">
<hr>
<p>
CKEditor - The text editor for the Internet - <a class="samples" href="http://ckeditor.com/">http://ckeditor.com</a>
</p>
<p id="copy">
Copyright &copy; 2003-2013, <a class="samples" href="http://cksource.com/">CKSource</a> - Frederico
Knabben. All rights reserved.
</p>
</div>
</body>
</html>