mediawiki-extensions-Visual.../modules/ve-mw/dm/nodes/ve.dm.MWBlockImageNode.js

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/*!
* VisualEditor DataModel MWBlockImageNode class.
*
* @copyright 2011-2014 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
/**
* DataModel MediaWiki image node.
*
* @class
* @extends ve.dm.BranchNode
* @mixins ve.dm.MWImageNode
* @constructor
* @param {number} [length] Length of content data in document
* @param {Object} [element] Reference to element in linear model
*/
ve.dm.MWBlockImageNode = function VeDmMWBlockImageNode( length, element ) {
// Parent constructor
ve.dm.BranchNode.call( this, 0, element );
// Mixin constructors
ve.dm.MWImageNode.call( this );
};
/* Inheritance */
OO.inheritClass( ve.dm.MWBlockImageNode, ve.dm.BranchNode );
// Need to mixin base class as well
OO.mixinClass( ve.dm.MWBlockImageNode, ve.dm.GeneratedContentNode );
OO.mixinClass( ve.dm.MWBlockImageNode, ve.dm.MWImageNode );
/* Static Properties */
ve.dm.MWBlockImageNode.static.rdfaToType = {
'mw:Image/Thumb': 'thumb',
'mw:Image/Frame': 'frame',
'mw:Image/Frameless': 'frameless',
'mw:Image': 'none'
};
ve.dm.MWBlockImageNode.static.name = 'mwBlockImage';
ve.dm.MWBlockImageNode.static.storeHtmlAttributes = {
'blacklist': [ 'typeof', 'class', 'src', 'resource', 'width', 'height', 'href', 'rel' ]
};
ve.dm.MWBlockImageNode.static.handlesOwnChildren = true;
ve.dm.MWBlockImageNode.static.childNodeTypes = [ 'mwImageCaption' ];
ve.dm.MWBlockImageNode.static.matchTagNames = [ 'figure' ];
ve.dm.MWBlockImageNode.static.blacklistedAnnotationTypes = [ 'link' ];
ve.dm.MWBlockImageNode.static.getMatchRdfaTypes = function () {
return Object.keys( this.rdfaToType );
};
ve.dm.MWBlockImageNode.static.toDataElement = function ( domElements, converter ) {
var dataElement,
$figure = $( domElements[0] ),
// images with link='' have a span wrapper instead
$imgWrapper = $figure.children( 'a, span' ).eq( 0 ),
$img = $imgWrapper.children( 'img' ).eq( 0 ),
$caption = $figure.children( 'figcaption' ).eq( 0 ),
typeofAttr = $figure.attr( 'typeof' ),
classes = $figure.attr( 'class' ),
recognizedClasses = [],
attributes = {
type: this.rdfaToType[typeofAttr],
href: $imgWrapper.attr( 'href' ) || '',
src: $img.attr( 'src' ),
resource: $img.attr( 'resource' ),
originalClasses: classes
},
width = $img.attr( 'width' ),
height = $img.attr( 'height' );
attributes.width = width !== undefined && width !== '' ? Number( width ) : null;
attributes.height = height !== undefined && height !== '' ? Number( height ) : null;
// Extract individual classes
classes = typeof classes === 'string' ? classes.trim().split( /\s+/ ) : [];
// Horizontal alignment
if ( classes.indexOf( 'mw-halign-left' ) !== -1 ) {
attributes.align = 'left';
recognizedClasses.push( 'mw-halign-left' );
} else if ( classes.indexOf( 'mw-halign-right' ) !== -1 ) {
attributes.align = 'right';
recognizedClasses.push( 'mw-halign-right' );
} else if ( classes.indexOf( 'mw-halign-center' ) !== -1 ) {
attributes.align = 'center';
recognizedClasses.push( 'mw-halign-center' );
} else if ( classes.indexOf( 'mw-halign-none' ) !== -1 ) {
attributes.align = 'none';
recognizedClasses.push( 'mw-halign-none' );
} else {
attributes.align = 'default';
}
// Default-size
if ( classes.indexOf( 'mw-default-size' ) !== -1 ) {
attributes.defaultSize = true;
recognizedClasses.push( 'mw-default-size' );
}
// Store unrecognized classes so we can restore them on the way out
attributes.unrecognizedClasses = OO.simpleArrayDifference( classes, recognizedClasses );
dataElement = { 'type': this.name, 'attributes': attributes };
this.storeGeneratedContents( dataElement, dataElement.attributes.src, converter.getStore() );
if ( $caption.length === 0 ) {
return [
dataElement,
{ 'type': 'mwImageCaption' },
{ 'type': '/mwImageCaption' },
{ 'type': '/' + this.name }
];
} else {
return [ dataElement ].
concat( converter.getDataFromDomClean( $caption[0], { 'type': 'mwImageCaption' } ) ).
concat( [ { 'type': '/' + this.name } ] );
}
};
// TODO: Consider using jQuery instead of pure JS.
// TODO: At this moment node is not resizable but when it will be then adding defaultSize class
// should be more conditional.
ve.dm.MWBlockImageNode.static.toDomElements = function ( data, doc, converter ) {
var dataElement = data[0],
figure = doc.createElement( 'figure' ),
imgWrapper = doc.createElement( dataElement.attributes.href !== '' ? 'a' : 'span' ),
img = doc.createElement( 'img' ),
wrapper = doc.createElement( 'div' ),
classes = [],
originalClasses = dataElement.attributes.originalClasses,
captionData = data.slice( 1, -1 ),
rdfa;
if ( !this.typeToRdfa ) {
this.typeToRdfa = {};
for ( rdfa in this.rdfaToType ) {
this.typeToRdfa[this.rdfaToType[rdfa]] = rdfa;
}
}
// Type
figure.setAttribute( 'typeof', this.typeToRdfa[dataElement.attributes.type] );
// Default-size
if ( dataElement.attributes.defaultSize === true ) {
classes.push( 'mw-default-size' );
}
// Horizontal alignment
switch ( dataElement.attributes.align ) {
case 'left':
classes.push( 'mw-halign-left' );
break;
case 'right':
classes.push( 'mw-halign-right' );
break;
case 'center':
classes.push( 'mw-halign-center' );
break;
case 'none':
classes.push( 'mw-halign-none' );
break;
}
if ( dataElement.attributes.unrecognizedClasses ) {
classes = OO.simpleArrayUnion( classes, dataElement.attributes.unrecognizedClasses );
}
if (
originalClasses &&
ve.compare( originalClasses.trim().split( /\s+/ ).sort(), classes.sort() )
) {
figure.className = originalClasses;
} else if ( classes.length > 0 ) {
figure.className = classes.join( ' ' );
}
if ( dataElement.attributes.href !== '' ) {
imgWrapper.setAttribute( 'href', dataElement.attributes.href );
}
img.setAttribute( 'src', dataElement.attributes.src );
img.setAttribute( 'width', dataElement.attributes.width );
img.setAttribute( 'height', dataElement.attributes.height );
img.setAttribute( 'resource', dataElement.attributes.resource );
figure.appendChild( imgWrapper );
imgWrapper.appendChild( img );
// If length of captionData is smaller or equal to 2 it means that there is no caption or that
// it is empty - in both cases we are going to skip appending <figcaption>.
if ( captionData.length > 2 ) {
converter.getDomSubtreeFromData( data.slice( 1, -1 ), wrapper );
while ( wrapper.firstChild ) {
figure.appendChild( wrapper.firstChild );
}
}
return [ figure ];
};
/* Methods */
/**
* Get the caption node of the image.
*
* @method
* @returns {ve.dm.MWImageCaptionNode|null} Caption node, if present
*/
ve.dm.MWBlockImageNode.prototype.getCaptionNode = function () {
var node = this.children[0];
return node instanceof ve.dm.MWImageCaptionNode ? node : null;
};
/* Registration */
ve.dm.modelRegistry.register( ve.dm.MWBlockImageNode );