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/*
Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/
(function()
{
var cssStyle = CKEDITOR.htmlParser.cssStyle,
cssLength = CKEDITOR.tools.cssLength;
var cssLengthRegex = /^((?:\d*(?:\.\d+))|(?:\d+))(.*)?$/i;
/*
* Replacing the former CSS length value with the later one, with
* adjustment to the length unit.
*/
function replaceCssLength( length1, length2 )
{
var parts1 = cssLengthRegex.exec( length1 ),
parts2 = cssLengthRegex.exec( length2 );
// Omit pixel length unit when necessary,
// e.g. replaceCssLength( 10, '20px' ) -> 20
if ( parts1 )
{
if ( !parts1[ 2 ] && parts2[ 2 ] == 'px' )
return parts2[ 1 ];
if ( parts1[ 2 ] == 'px' && !parts2[ 2 ] )
return parts2[ 1 ] + 'px';
}
return length2;
}
var htmlFilterRules =
{
elements :
{
$ : function( element )
{
var attributes = element.attributes,
realHtml = attributes && attributes[ 'data-cke-realelement' ],
realFragment = realHtml && new CKEDITOR.htmlParser.fragment.fromHtml( decodeURIComponent( realHtml ) ),
realElement = realFragment && realFragment.children[ 0 ];
// Width/height in the fake object are subjected to clone into the real element.
if ( realElement && element.attributes[ 'data-cke-resizable' ] )
{
var styles = new cssStyle( element ).rules,
realAttrs = realElement.attributes,
width = styles.width,
height = styles.height;
width && ( realAttrs.width = replaceCssLength( realAttrs.width, width ) );
height && ( realAttrs.height = replaceCssLength( realAttrs.height, height ) );
}
return realElement;
}
}
};
CKEDITOR.plugins.add( 'fakeobjects',
{
requires : [ 'htmlwriter' ],
afterInit : function( editor )
{
var dataProcessor = editor.dataProcessor,
htmlFilter = dataProcessor && dataProcessor.htmlFilter;
if ( htmlFilter )
htmlFilter.addRules( htmlFilterRules );
}
});
CKEDITOR.editor.prototype.createFakeElement = function( realElement, className, realElementType, isResizable )
{
var lang = this.lang.fakeobjects,
label = lang[ realElementType ] || lang.unknown;
var attributes =
{
'class' : className,
'data-cke-realelement' : encodeURIComponent( realElement.getOuterHtml() ),
'data-cke-real-node-type' : realElement.type,
alt : label,
title : label,
align : realElement.getAttribute( 'align' ) || ''
};
// Do not set "src" on high-contrast so the alt text is displayed. (#8945)
if ( !CKEDITOR.env.hc )
attributes.src = CKEDITOR.getUrl( 'images/spacer.gif' );
if ( realElementType )
attributes[ 'data-cke-real-element-type' ] = realElementType;
if ( isResizable )
{
attributes[ 'data-cke-resizable' ] = isResizable;
var fakeStyle = new cssStyle();
var width = realElement.getAttribute( 'width' ),
height = realElement.getAttribute( 'height' );
width && ( fakeStyle.rules.width = cssLength( width ) );
height && ( fakeStyle.rules.height = cssLength( height ) );
fakeStyle.populate( attributes );
}
return this.document.createElement( 'img', { attributes : attributes } );
};
CKEDITOR.editor.prototype.createFakeParserElement = function( realElement, className, realElementType, isResizable )
{
var lang = this.lang.fakeobjects,
label = lang[ realElementType ] || lang.unknown,
html;
var writer = new CKEDITOR.htmlParser.basicWriter();
realElement.writeHtml( writer );
html = writer.getHtml();
var attributes =
{
'class' : className,
'data-cke-realelement' : encodeURIComponent( html ),
'data-cke-real-node-type' : realElement.type,
alt : label,
title : label,
align : realElement.attributes.align || ''
};
// Do not set "src" on high-contrast so the alt text is displayed. (#8945)
if ( !CKEDITOR.env.hc )
attributes.src = CKEDITOR.getUrl( 'images/spacer.gif' );
if ( realElementType )
attributes[ 'data-cke-real-element-type' ] = realElementType;
if ( isResizable )
{
attributes[ 'data-cke-resizable' ] = isResizable;
var realAttrs = realElement.attributes,
fakeStyle = new cssStyle();
var width = realAttrs.width,
height = realAttrs.height;
width != undefined && ( fakeStyle.rules.width = cssLength( width ) );
height != undefined && ( fakeStyle.rules.height = cssLength ( height ) );
fakeStyle.populate( attributes );
}
return new CKEDITOR.htmlParser.element( 'img', attributes );
};
CKEDITOR.editor.prototype.restoreRealElement = function( fakeElement )
{
if ( fakeElement.data( 'cke-real-node-type' ) != CKEDITOR.NODE_ELEMENT )
return null;
var element = CKEDITOR.dom.element.createFromHtml(
decodeURIComponent( fakeElement.data( 'cke-realelement' ) ),
this.document );
if ( fakeElement.data( 'cke-resizable') )
{
var width = fakeElement.getStyle( 'width' ),
height = fakeElement.getStyle( 'height' );
width && element.setAttribute( 'width', replaceCssLength( element.getAttribute( 'width' ), width ) );
height && element.setAttribute( 'height', replaceCssLength( element.getAttribute( 'height' ), height ) );
}
return element;
};
})();
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