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/**
* @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or http://ckeditor.com/license
*/
CKEDITOR.plugins.add( 'removeformat', {
// jscs:disable maximumLineLength
lang: 'af,ar,bg,bn,bs,ca,cs,cy,da,de,el,en,en-au,en-ca,en-gb,eo,es,et,eu,fa,fi,fo,fr,fr-ca,gl,gu,he,hi,hr,hu,id,is,it,ja,ka,km,ko,ku,lt,lv,mk,mn,ms,nb,nl,no,pl,pt,pt-br,ro,ru,si,sk,sl,sq,sr,sr-latn,sv,th,tr,tt,ug,uk,vi,zh,zh-cn', // %REMOVE_LINE_CORE%
// jscs:enable maximumLineLength
icons: 'removeformat', // %REMOVE_LINE_CORE%
hidpi: true, // %REMOVE_LINE_CORE%
init: function( editor ) {
editor.addCommand( 'removeFormat', CKEDITOR.plugins.removeformat.commands.removeformat );
editor.ui.addButton && editor.ui.addButton( 'RemoveFormat', {
label: editor.lang.removeformat.toolbar,
command: 'removeFormat',
toolbar: 'cleanup,10'
} );
}
} );
CKEDITOR.plugins.removeformat = {
commands: {
removeformat: {
exec: function( editor ) {
var tagsRegex = editor._.removeFormatRegex || ( editor._.removeFormatRegex = new RegExp( '^(?:' + editor.config.removeFormatTags.replace( /,/g, '|' ) + ')$', 'i' ) );
var removeAttributes = editor._.removeAttributes || ( editor._.removeAttributes = editor.config.removeFormatAttributes.split( ',' ) ),
filter = CKEDITOR.plugins.removeformat.filter,
ranges = editor.getSelection().getRanges(),
iterator = ranges.createIterator(),
isElement = function( element ) {
return element.type == CKEDITOR.NODE_ELEMENT;
},
range;
while ( ( range = iterator.getNextRange() ) ) {
if ( !range.collapsed )
range.enlarge( CKEDITOR.ENLARGE_ELEMENT );
// Bookmark the range so we can re-select it after processing.
var bookmark = range.createBookmark(),
// The style will be applied within the bookmark boundaries.
startNode = bookmark.startNode,
endNode = bookmark.endNode,
currentNode;
// We need to check the selection boundaries (bookmark spans) to break
// the code in a way that we can properly remove partially selected nodes.
// For example, removing a <b> style from
// <b>This is [some text</b> to show <b>the] problem</b>
// ... where [ and ] represent the selection, must result:
// <b>This is </b>[some text to show the]<b> problem</b>
// The strategy is simple, we just break the partial nodes before the
// removal logic, having something that could be represented this way:
// <b>This is </b>[<b>some text</b> to show <b>the</b>]<b> problem</b>
var breakParent = function( node ) {
// Let's start checking the start boundary.
var path = editor.elementPath( node ),
pathElements = path.elements;
for ( var i = 1, pathElement; pathElement = pathElements[ i ]; i++ ) {
if ( pathElement.equals( path.block ) || pathElement.equals( path.blockLimit ) )
break;
// If this element can be removed (even partially).
if ( tagsRegex.test( pathElement.getName() ) && filter( editor, pathElement ) )
node.breakParent( pathElement );
}
};
breakParent( startNode );
if ( endNode ) {
breakParent( endNode );
// Navigate through all nodes between the bookmarks.
currentNode = startNode.getNextSourceNode( true, CKEDITOR.NODE_ELEMENT );
while ( currentNode ) {
// If we have reached the end of the selection, stop looping.
if ( currentNode.equals( endNode ) )
break;
if ( currentNode.isReadOnly() ) {
// In case of non-editable we're skipping to the next sibling *elmenet*.
// We need to be aware that endNode can be nested within current non-editable.
// This condition tests if currentNode (non-editable) contains endNode. If it does
// then we should break the filtering
if ( currentNode.getPosition( endNode ) & CKEDITOR.POSITION_CONTAINS ) {
break;
}
currentNode = currentNode.getNext( isElement );
continue;
}
// Cache the next node to be processed. Do it now, because
// currentNode may be removed.
var nextNode = currentNode.getNextSourceNode( false, CKEDITOR.NODE_ELEMENT ),
isFakeElement = currentNode.getName() == 'img' && currentNode.data( 'cke-realelement' );
// This node must not be a fake element, and must not be read-only.
if ( !isFakeElement && filter( editor, currentNode ) ) {
// Remove elements nodes that match with this style rules.
if ( tagsRegex.test( currentNode.getName() ) )
currentNode.remove( 1 );
else {
currentNode.removeAttributes( removeAttributes );
editor.fire( 'removeFormatCleanup', currentNode );
}
}
currentNode = nextNode;
}
}
range.moveToBookmark( bookmark );
}
// The selection path may not changed, but we should force a selection
// change event to refresh command states, due to the above attribution change. (#9238)
editor.forceNextSelectionCheck();
editor.getSelection().selectRanges( ranges );
}
}
},
// Perform the remove format filters on the passed element.
// @param {CKEDITOR.editor} editor
// @param {CKEDITOR.dom.element} element
filter: function( editor, element ) {
// If editor#addRemoveFotmatFilter hasn't been executed yet value is not initialized.
var filters = editor._.removeFormatFilters || [];
for ( var i = 0; i < filters.length; i++ ) {
if ( filters[ i ]( element ) === false )
return false;
}
return true;
}
};
/**
* Add to a collection of functions to decide whether a specific
* element should be considered as formatting element and thus
* could be removed during `removeFormat` command.
*
* **Note:** Only available with the existence of `removeformat` plugin.
*
* // Don't remove empty span.
* editor.addRemoveFormatFilter( function( element ) {
* return !( element.is( 'span' ) && CKEDITOR.tools.isEmpty( element.getAttributes() ) );
* } );
*
* @since 3.3
* @member CKEDITOR.editor
* @param {Function} func The function to be called, which will be passed a {CKEDITOR.dom.element} element to test.
*/
CKEDITOR.editor.prototype.addRemoveFormatFilter = function( func ) {
if ( !this._.removeFormatFilters )
this._.removeFormatFilters = [];
this._.removeFormatFilters.push( func );
};
/**
* A comma separated list of elements to be removed when executing the `remove
* format` command. Note that only inline elements are allowed.
*
* @cfg
* @member CKEDITOR.config
*/
CKEDITOR.config.removeFormatTags = 'b,big,cite,code,del,dfn,em,font,i,ins,kbd,q,s,samp,small,span,strike,strong,sub,sup,tt,u,var';
/**
* A comma separated list of elements attributes to be removed when executing
* the `remove format` command.
*
* @cfg
* @member CKEDITOR.config
*/
CKEDITOR.config.removeFormatAttributes = 'class,style,lang,width,height,align,hspace,valign';
/**
* Fired after an element was cleaned by the removeFormat plugin.
*
* @event removeFormatCleanup
* @member CKEDITOR.editor
* @param {CKEDITOR.editor} editor This editor instance.
* @param data
* @param {CKEDITOR.dom.element} data.element The element that was cleaned up.
*/
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