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/**
* @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-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', {
// jscs:disable maximumLineLength
lang: 'af,ar,az,bg,bn,bs,ca,cs,cy,da,de,de-ch,el,en,en-au,en-ca,en-gb,eo,es,es-mx,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,oc,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
init: function( editor ) {
// Allow image with all styles and classes plus src, alt and title attributes.
// We need them when fakeobject is pasted.
editor.filter.allow( 'img[!data-cke-realelement,src,alt,title](*){*}', 'fakeobjects' );
},
afterInit: function( editor ) {
var dataProcessor = editor.dataProcessor,
htmlFilter = dataProcessor && dataProcessor.htmlFilter;
if ( htmlFilter ) {
htmlFilter.addRules( htmlFilterRules, {
applyToAll: true
} );
}
}
} );
/**
* Creates fake {@link CKEDITOR.dom.element} based on real element.
* Fake element is an img with special attributes, which keep real element properties.
*
* @member CKEDITOR.editor
* @param {CKEDITOR.dom.element} realElement Real element to transform.
* @param {String} className Class name which will be used as class of fake element.
* @param {String} realElementType Stores type of fake element.
* @param {Boolean} isResizable Keeps information if element is resizable.
* @returns {CKEDITOR.dom.element} Fake element.
*/
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. (https://dev.ckeditor.com/ticket/8945)
if ( !CKEDITOR.env.hc )
attributes.src = CKEDITOR.tools.transparentImageData;
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 } );
};
/**
* Creates fake {@link CKEDITOR.htmlParser.element} based on real element.
*
* @member CKEDITOR.editor
* @param {CKEDITOR.dom.element} realElement Real element to transform.
* @param {String} className Class name which will be used as class of fake element.
* @param {String} realElementType Store type of fake element.
* @param {Boolean} isResizable Keep information if element is resizable.
* @returns {CKEDITOR.htmlParser.element} Fake htmlParser element.
*/
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. (https://dev.ckeditor.com/ticket/8945)
if ( !CKEDITOR.env.hc )
attributes.src = CKEDITOR.tools.transparentImageData;
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 );
};
/**
* Creates {@link CKEDITOR.dom.element} from fake element.
*
* @member CKEDITOR.editor
* @param {CKEDITOR.dom.element} fakeElement Fake element to transform.
* @returns {CKEDITOR.dom.element/null} Returns real element or `null` if transformed element wasn't fake.
*/
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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