603 lines
18 KiB
JavaScript
603 lines
18 KiB
JavaScript
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/*
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Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
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For licensing, see LICENSE.html or http://ckeditor.com/license
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*/
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(function()
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{
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// Regex to scan for at the end of blocks, which are actually placeholders.
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// Safari transforms the to \xa0. (#4172)
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var tailNbspRegex = /^[\t\r\n ]*(?: |\xa0)$/;
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var protectedSourceMarker = '{cke_protected}';
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// Return the last non-space child node of the block (#4344).
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function lastNoneSpaceChild( block )
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{
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var lastIndex = block.children.length,
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last = block.children[ lastIndex - 1 ];
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while ( last && last.type == CKEDITOR.NODE_TEXT && !CKEDITOR.tools.trim( last.value ) )
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last = block.children[ --lastIndex ];
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return last;
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}
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function trimFillers( block, fromSource )
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{
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// If the current node is a block, and if we're converting from source or
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// we're not in IE then search for and remove any tailing BR node.
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//
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// Also, any at the end of blocks are fillers, remove them as well.
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// (#2886)
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var children = block.children, lastChild = lastNoneSpaceChild( block );
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if ( lastChild )
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{
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if ( ( fromSource || !CKEDITOR.env.ie ) && lastChild.type == CKEDITOR.NODE_ELEMENT && lastChild.name == 'br' )
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children.pop();
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if ( lastChild.type == CKEDITOR.NODE_TEXT && tailNbspRegex.test( lastChild.value ) )
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children.pop();
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}
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}
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function blockNeedsExtension( block, fromSource, extendEmptyBlock )
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{
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if( !fromSource && ( !extendEmptyBlock ||
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typeof extendEmptyBlock == 'function' && ( extendEmptyBlock( block ) === false ) ) )
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return false;
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// 1. For IE version >=8, empty blocks are displayed correctly themself in wysiwiyg;
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// 2. For the rest, at least table cell and list item need no filler space.
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// (#6248)
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if ( fromSource && CKEDITOR.env.ie &&
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( document.documentMode > 7
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|| block.name in CKEDITOR.dtd.tr
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|| block.name in CKEDITOR.dtd.$listItem ) )
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return false;
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var lastChild = lastNoneSpaceChild( block );
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return !lastChild || lastChild &&
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( lastChild.type == CKEDITOR.NODE_ELEMENT && lastChild.name == 'br'
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// Some of the controls in form needs extension too,
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// to move cursor at the end of the form. (#4791)
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|| block.name == 'form' && lastChild.name == 'input' );
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}
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function getBlockExtension( isOutput, emptyBlockFiller )
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{
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return function( node )
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{
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trimFillers( node, !isOutput );
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if ( blockNeedsExtension( node, !isOutput, emptyBlockFiller ) )
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{
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if ( isOutput || CKEDITOR.env.ie )
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node.add( new CKEDITOR.htmlParser.text( '\xa0' ) );
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else
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node.add( new CKEDITOR.htmlParser.element( 'br', {} ) );
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}
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};
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}
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var dtd = CKEDITOR.dtd;
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// Define orders of table elements.
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var tableOrder = [ 'caption', 'colgroup', 'col', 'thead', 'tfoot', 'tbody' ];
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// Find out the list of block-like tags that can contain <br>.
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var blockLikeTags = CKEDITOR.tools.extend( {}, dtd.$block, dtd.$listItem, dtd.$tableContent );
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for ( var i in blockLikeTags )
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{
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if ( ! ( 'br' in dtd[i] ) )
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delete blockLikeTags[i];
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}
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// We just avoid filler in <pre> right now.
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// TODO: Support filler for <pre>, line break is also occupy line height.
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delete blockLikeTags.pre;
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var defaultDataFilterRules =
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{
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elements : {
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a : function( element )
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{
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var attrs = element.attributes;
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if ( attrs && attrs[ 'data-cke-saved-name' ] )
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attrs[ 'class' ] = ( attrs[ 'class' ] ? attrs[ 'class' ] + ' ' : '' ) + 'cke_anchor';
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}
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},
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attributeNames :
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[
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// Event attributes (onXYZ) must not be directly set. They can become
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// active in the editing area (IE|WebKit).
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[ ( /^on/ ), 'data-cke-pa-on' ]
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]
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};
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var defaultDataBlockFilterRules = { elements : {} };
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for ( i in blockLikeTags )
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defaultDataBlockFilterRules.elements[ i ] = getBlockExtension();
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var defaultHtmlFilterRules =
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{
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elementNames :
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[
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// Remove the "cke:" namespace prefix.
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[ ( /^cke:/ ), '' ],
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// Ignore <?xml:namespace> tags.
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[ ( /^\?xml:namespace$/ ), '' ]
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],
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attributeNames :
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[
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// Attributes saved for changes and protected attributes.
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[ ( /^data-cke-(saved|pa)-/ ), '' ],
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// All "data-cke-" attributes are to be ignored.
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[ ( /^data-cke-.*/ ), '' ],
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[ 'hidefocus', '' ]
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],
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elements :
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{
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$ : function( element )
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{
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var attribs = element.attributes;
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if ( attribs )
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{
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// Elements marked as temporary are to be ignored.
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if ( attribs[ 'data-cke-temp' ] )
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return false;
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// Remove duplicated attributes - #3789.
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var attributeNames = [ 'name', 'href', 'src' ],
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savedAttributeName;
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for ( var i = 0 ; i < attributeNames.length ; i++ )
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{
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savedAttributeName = 'data-cke-saved-' + attributeNames[ i ];
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savedAttributeName in attribs && ( delete attribs[ attributeNames[ i ] ] );
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}
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}
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return element;
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},
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// The contents of table should be in correct order (#4809).
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table : function( element )
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{
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var children = element.children;
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children.sort( function ( node1, node2 )
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{
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return node1.type == CKEDITOR.NODE_ELEMENT && node2.type == node1.type ?
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CKEDITOR.tools.indexOf( tableOrder, node1.name ) > CKEDITOR.tools.indexOf( tableOrder, node2.name ) ? 1 : -1 : 0;
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} );
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},
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embed : function( element )
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{
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var parent = element.parent;
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// If the <embed> is child of a <object>, copy the width
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// and height attributes from it.
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if ( parent && parent.name == 'object' )
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{
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var parentWidth = parent.attributes.width,
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parentHeight = parent.attributes.height;
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parentWidth && ( element.attributes.width = parentWidth );
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parentHeight && ( element.attributes.height = parentHeight );
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}
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},
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// Restore param elements into self-closing.
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param : function( param )
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{
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param.children = [];
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param.isEmpty = true;
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return param;
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},
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// Remove empty link but not empty anchor.(#3829)
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a : function( element )
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{
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if ( !( element.children.length ||
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element.attributes.name ||
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element.attributes[ 'data-cke-saved-name' ] ) )
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{
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return false;
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}
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},
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// Remove dummy span in webkit.
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span: function( element )
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{
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if ( element.attributes[ 'class' ] == 'Apple-style-span' )
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delete element.name;
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},
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// Empty <pre> in IE is reported with filler node ( ).
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pre : function( element ) { CKEDITOR.env.ie && trimFillers( element ); },
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html : function( element )
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{
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delete element.attributes.contenteditable;
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delete element.attributes[ 'class' ];
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},
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body : function( element )
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{
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delete element.attributes.spellcheck;
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delete element.attributes.contenteditable;
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},
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style : function( element )
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{
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var child = element.children[ 0 ];
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child && child.value && ( child.value = CKEDITOR.tools.trim( child.value ));
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if ( !element.attributes.type )
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element.attributes.type = 'text/css';
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},
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title : function( element )
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{
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var titleText = element.children[ 0 ];
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titleText && ( titleText.value = element.attributes[ 'data-cke-title' ] || '' );
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}
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},
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attributes :
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{
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'class' : function( value, element )
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{
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// Remove all class names starting with "cke_".
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return CKEDITOR.tools.ltrim( value.replace( /(?:^|\s+)cke_[^\s]*/g, '' ) ) || false;
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}
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}
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};
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if ( CKEDITOR.env.ie )
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{
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// IE outputs style attribute in capital letters. We should convert
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// them back to lower case, while not hurting the values (#5930)
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defaultHtmlFilterRules.attributes.style = function( value, element )
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{
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return value.replace( /(^|;)([^\:]+)/g, function( match )
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{
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return match.toLowerCase();
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});
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};
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}
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function protectReadOnly( element )
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{
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var attrs = element.attributes;
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// We should flag that the element was locked by our code so
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// it'll be editable by the editor functions (#6046).
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if ( attrs.contenteditable != "false" )
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attrs[ 'data-cke-editable' ] = attrs.contenteditable ? 'true' : 1;
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attrs.contenteditable = "false";
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}
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function unprotectReadyOnly( element )
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{
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var attrs = element.attributes;
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switch( attrs[ 'data-cke-editable' ] )
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{
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case 'true': attrs.contenteditable = 'true'; break;
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case '1': delete attrs.contenteditable; break;
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}
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}
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// Disable form elements editing mode provided by some browers. (#5746)
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for ( i in { input : 1, textarea : 1 } )
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{
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defaultDataFilterRules.elements[ i ] = protectReadOnly;
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defaultHtmlFilterRules.elements[ i ] = unprotectReadyOnly;
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}
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var protectElementRegex = /<(a|area|img|input)\b([^>]*)>/gi,
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protectAttributeRegex = /\b(href|src|name)\s*=\s*(?:(?:"[^"]*")|(?:'[^']*')|(?:[^ "'>]+))/gi;
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var protectElementsRegex = /(?:<style(?=[ >])[^>]*>[\s\S]*<\/style>)|(?:<(:?link|meta|base)[^>]*>)/gi,
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encodedElementsRegex = /<cke:encoded>([^<]*)<\/cke:encoded>/gi;
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var protectElementNamesRegex = /(<\/?)((?:object|embed|param|html|body|head|title)[^>]*>)/gi,
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unprotectElementNamesRegex = /(<\/?)cke:((?:html|body|head|title)[^>]*>)/gi;
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var protectSelfClosingRegex = /<cke:(param|embed)([^>]*?)\/?>(?!\s*<\/cke:\1)/gi;
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function protectAttributes( html )
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{
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return html.replace( protectElementRegex, function( element, tag, attributes )
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{
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return '<' + tag + attributes.replace( protectAttributeRegex, function( fullAttr, attrName )
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{
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// We should not rewrite the existed protected attributes, e.g. clipboard content from editor. (#5218)
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if ( attributes.indexOf( 'data-cke-saved-' + attrName ) == -1 )
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return ' data-cke-saved-' + fullAttr + ' ' + fullAttr;
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return fullAttr;
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}) + '>';
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});
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}
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function protectElements( html )
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{
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return html.replace( protectElementsRegex, function( match )
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{
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return '<cke:encoded>' + encodeURIComponent( match ) + '</cke:encoded>';
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});
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}
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function unprotectElements( html )
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{
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return html.replace( encodedElementsRegex, function( match, encoded )
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{
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return decodeURIComponent( encoded );
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});
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}
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function protectElementsNames( html )
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{
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return html.replace( protectElementNamesRegex, '$1cke:$2');
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}
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function unprotectElementNames( html )
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{
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return html.replace( unprotectElementNamesRegex, '$1$2' );
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}
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function protectSelfClosingElements( html )
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{
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return html.replace( protectSelfClosingRegex, '<cke:$1$2></cke:$1>' );
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}
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function protectPreFormatted( html )
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{
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return html.replace( /(<pre\b[^>]*>)(\r\n|\n)/g, '$1$2$2' );
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}
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function protectRealComments( html )
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{
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return html.replace( /<!--(?!{cke_protected})[\s\S]+?-->/g, function( match )
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{
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return '<!--' + protectedSourceMarker +
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'{C}' +
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encodeURIComponent( match ).replace( /--/g, '%2D%2D' ) +
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'-->';
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});
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}
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function unprotectRealComments( html )
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{
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return html.replace( /<!--\{cke_protected\}\{C\}([\s\S]+?)-->/g, function( match, data )
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{
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return decodeURIComponent( data );
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});
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}
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function unprotectSource( html, editor )
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{
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var store = editor._.dataStore;
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return html.replace( /<!--\{cke_protected\}([\s\S]+?)-->/g, function( match, data )
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{
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return decodeURIComponent( data );
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}).replace( /\{cke_protected_(\d+)\}/g, function( match, id )
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{
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return store && store[ id ] || '';
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});
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}
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function protectSource( data, editor )
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{
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var protectedHtml = [],
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protectRegexes = editor.config.protectedSource,
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store = editor._.dataStore || ( editor._.dataStore = { id : 1 } ),
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tempRegex = /<\!--\{cke_temp(comment)?\}(\d*?)-->/g;
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var regexes =
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[
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// Script tags will also be forced to be protected, otherwise
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// IE will execute them.
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( /<script[\s\S]*?<\/script>/gi ),
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// <noscript> tags (get lost in IE and messed up in FF).
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/<noscript[\s\S]*?<\/noscript>/gi
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]
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.concat( protectRegexes );
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// First of any other protection, we must protect all comments
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// to avoid loosing them (of course, IE related).
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// Note that we use a different tag for comments, as we need to
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// transform them when applying filters.
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data = data.replace( (/<!--[\s\S]*?-->/g), function( match )
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{
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return '<!--{cke_tempcomment}' + ( protectedHtml.push( match ) - 1 ) + '-->';
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});
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for ( var i = 0 ; i < regexes.length ; i++ )
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{
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|||
|
data = data.replace( regexes[i], function( match )
|
|||
|
{
|
|||
|
match = match.replace( tempRegex, // There could be protected source inside another one. (#3869).
|
|||
|
function( $, isComment, id )
|
|||
|
{
|
|||
|
return protectedHtml[ id ];
|
|||
|
}
|
|||
|
);
|
|||
|
|
|||
|
// Avoid protecting over protected, e.g. /\{.*?\}/
|
|||
|
return ( /cke_temp(comment)?/ ).test( match ) ? match
|
|||
|
: '<!--{cke_temp}' + ( protectedHtml.push( match ) - 1 ) + '-->';
|
|||
|
});
|
|||
|
}
|
|||
|
data = data.replace( tempRegex, function( $, isComment, id )
|
|||
|
{
|
|||
|
return '<!--' + protectedSourceMarker +
|
|||
|
( isComment ? '{C}' : '' ) +
|
|||
|
encodeURIComponent( protectedHtml[ id ] ).replace( /--/g, '%2D%2D' ) +
|
|||
|
'-->';
|
|||
|
}
|
|||
|
);
|
|||
|
|
|||
|
// Different protection pattern is used for those that
|
|||
|
// live in attributes to avoid from being HTML encoded.
|
|||
|
return data.replace( /(['"]).*?\1/g, function ( match )
|
|||
|
{
|
|||
|
return match.replace( /<!--\{cke_protected\}([\s\S]+?)-->/g, function( match, data )
|
|||
|
{
|
|||
|
store[ store.id ] = decodeURIComponent( data );
|
|||
|
return '{cke_protected_'+ ( store.id++ ) + '}';
|
|||
|
});
|
|||
|
});
|
|||
|
}
|
|||
|
|
|||
|
CKEDITOR.plugins.add( 'htmldataprocessor',
|
|||
|
{
|
|||
|
requires : [ 'htmlwriter' ],
|
|||
|
|
|||
|
init : function( editor )
|
|||
|
{
|
|||
|
var dataProcessor = editor.dataProcessor = new CKEDITOR.htmlDataProcessor( editor );
|
|||
|
|
|||
|
dataProcessor.writer.forceSimpleAmpersand = editor.config.forceSimpleAmpersand;
|
|||
|
|
|||
|
dataProcessor.dataFilter.addRules( defaultDataFilterRules );
|
|||
|
dataProcessor.dataFilter.addRules( defaultDataBlockFilterRules );
|
|||
|
dataProcessor.htmlFilter.addRules( defaultHtmlFilterRules );
|
|||
|
|
|||
|
var defaultHtmlBlockFilterRules = { elements : {} };
|
|||
|
for ( i in blockLikeTags )
|
|||
|
defaultHtmlBlockFilterRules.elements[ i ] = getBlockExtension( true, editor.config.fillEmptyBlocks );
|
|||
|
|
|||
|
dataProcessor.htmlFilter.addRules( defaultHtmlBlockFilterRules );
|
|||
|
},
|
|||
|
|
|||
|
onLoad : function()
|
|||
|
{
|
|||
|
! ( 'fillEmptyBlocks' in CKEDITOR.config ) && ( CKEDITOR.config.fillEmptyBlocks = 1 );
|
|||
|
}
|
|||
|
});
|
|||
|
|
|||
|
CKEDITOR.htmlDataProcessor = function( editor )
|
|||
|
{
|
|||
|
this.editor = editor;
|
|||
|
|
|||
|
this.writer = new CKEDITOR.htmlWriter();
|
|||
|
this.dataFilter = new CKEDITOR.htmlParser.filter();
|
|||
|
this.htmlFilter = new CKEDITOR.htmlParser.filter();
|
|||
|
};
|
|||
|
|
|||
|
CKEDITOR.htmlDataProcessor.prototype =
|
|||
|
{
|
|||
|
toHtml : function( data, fixForBody )
|
|||
|
{
|
|||
|
// The source data is already HTML, but we need to clean
|
|||
|
// it up and apply the filter.
|
|||
|
|
|||
|
data = protectSource( data, this.editor );
|
|||
|
|
|||
|
// Before anything, we must protect the URL attributes as the
|
|||
|
// browser may changing them when setting the innerHTML later in
|
|||
|
// the code.
|
|||
|
data = protectAttributes( data );
|
|||
|
|
|||
|
// Protect elements than can't be set inside a DIV. E.g. IE removes
|
|||
|
// style tags from innerHTML. (#3710)
|
|||
|
data = protectElements( data );
|
|||
|
|
|||
|
// Certain elements has problem to go through DOM operation, protect
|
|||
|
// them by prefixing 'cke' namespace. (#3591)
|
|||
|
data = protectElementsNames( data );
|
|||
|
|
|||
|
// All none-IE browsers ignore self-closed custom elements,
|
|||
|
// protecting them into open-close. (#3591)
|
|||
|
data = protectSelfClosingElements( data );
|
|||
|
|
|||
|
// Compensate one leading line break after <pre> open as browsers
|
|||
|
// eat it up. (#5789)
|
|||
|
data = protectPreFormatted( data );
|
|||
|
|
|||
|
// Call the browser to help us fixing a possibly invalid HTML
|
|||
|
// structure.
|
|||
|
var div = new CKEDITOR.dom.element( 'div' );
|
|||
|
// Add fake character to workaround IE comments bug. (#3801)
|
|||
|
div.setHtml( 'a' + data );
|
|||
|
data = div.getHtml().substr( 1 );
|
|||
|
|
|||
|
// Unprotect "some" of the protected elements at this point.
|
|||
|
data = unprotectElementNames( data );
|
|||
|
|
|||
|
data = unprotectElements( data );
|
|||
|
|
|||
|
// Restore the comments that have been protected, in this way they
|
|||
|
// can be properly filtered.
|
|||
|
data = unprotectRealComments( data );
|
|||
|
|
|||
|
// Now use our parser to make further fixes to the structure, as
|
|||
|
// well as apply the filter.
|
|||
|
var fragment = CKEDITOR.htmlParser.fragment.fromHtml( data, fixForBody ),
|
|||
|
writer = new CKEDITOR.htmlParser.basicWriter();
|
|||
|
|
|||
|
fragment.writeHtml( writer, this.dataFilter );
|
|||
|
data = writer.getHtml( true );
|
|||
|
|
|||
|
// Protect the real comments again.
|
|||
|
data = protectRealComments( data );
|
|||
|
|
|||
|
return data;
|
|||
|
},
|
|||
|
|
|||
|
toDataFormat : function( html, fixForBody )
|
|||
|
{
|
|||
|
var writer = this.writer,
|
|||
|
fragment = CKEDITOR.htmlParser.fragment.fromHtml( html, fixForBody );
|
|||
|
|
|||
|
writer.reset();
|
|||
|
|
|||
|
fragment.writeHtml( writer, this.htmlFilter );
|
|||
|
|
|||
|
var data = writer.getHtml( true );
|
|||
|
|
|||
|
// Restore those non-HTML protected source. (#4475,#4880)
|
|||
|
data = unprotectRealComments( data );
|
|||
|
data = unprotectSource( data, this.editor );
|
|||
|
|
|||
|
return data;
|
|||
|
}
|
|||
|
};
|
|||
|
})();
|
|||
|
|
|||
|
/**
|
|||
|
* Whether to force using "&" instead of "&amp;" in elements attributes
|
|||
|
* values, it's not recommended to change this setting for compliance with the
|
|||
|
* W3C XHTML 1.0 standards (<a href="http://www.w3.org/TR/xhtml1/#C_12">C.12, XHTML 1.0</a>).
|
|||
|
* @name CKEDITOR.config.forceSimpleAmpersand
|
|||
|
* @name CKEDITOR.config.forceSimpleAmpersand
|
|||
|
* @type Boolean
|
|||
|
* @default false
|
|||
|
* @example
|
|||
|
* config.forceSimpleAmpersand = false;
|
|||
|
*/
|
|||
|
|
|||
|
/**
|
|||
|
* Whether a filler text (non-breaking space entity - ) will be inserted into empty block elements in HTML output,
|
|||
|
* this is used to render block elements properly with line-height; When a function is instead specified,
|
|||
|
* it'll be passed a {@link CKEDITOR.htmlParser.element} to decide whether adding the filler text
|
|||
|
* by expecting a boolean return value.
|
|||
|
* @name CKEDITOR.config.fillEmptyBlocks
|
|||
|
* @since 3.5
|
|||
|
* @type Boolean
|
|||
|
* @default true
|
|||
|
* @example
|
|||
|
* config.fillEmptyBlocks = false; // Prevent filler nodes in all empty blocks.
|
|||
|
*
|
|||
|
* // Prevent filler node only in float cleaners.
|
|||
|
* config.fillEmptyBlocks = function( element )
|
|||
|
* {
|
|||
|
* if ( element.attributes[ 'class' ].indexOf ( 'clear-both' ) != -1 )
|
|||
|
* return false;
|
|||
|
* }
|
|||
|
*/
|