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

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/*!
* VisualEditor DataModel MWBlockImageNode class.
*
* @copyright 2011-2015 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
* @mixins ve.dm.ClassAttributeNode
*
* @constructor
* @param {Object} [element] Reference to element in linear model
* @param {ve.dm.Node[]} [children]
*/
ve.dm.MWBlockImageNode = function VeDmMWBlockImageNode() {
// Parent constructor
ve.dm.BranchNode.apply( this, arguments );
// Mixin constructors
ve.dm.MWImageNode.call( this );
ve.dm.ClassAttributeNode.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 );
OO.mixinClass( ve.dm.MWBlockImageNode, ve.dm.ClassAttributeNode );
/* 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.preserveHtmlAttributes = function ( attribute ) {
return ve.indexOf(
attribute,
[ 'typeof', 'class', 'src', 'resource', 'width', 'height', 'href', 'rel' ]
) === -1;
};
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 ve.getObjectKeys( this.rdfaToType );
};
ve.dm.MWBlockImageNode.static.classAttributes = {
'mw-image-border': { borderImage: true },
'mw-halign-left': { align: 'left' },
'mw-halign-right': { align: 'right' },
'mw-halign-center': { align: 'center' },
'mw-halign-none': { align: 'none' },
'mw-default-size': { defaultSize: true }
};
ve.dm.MWBlockImageNode.static.toDataElement = function ( domElements, converter ) {
// Workaround for jQuery's .children() being expensive due to
// https://github.com/jquery/sizzle/issues/311
function findChildren( parent, nodeNames ) {
return Array.prototype.filter.call( parent.childNodes, function ( element ) {
return nodeNames.indexOf( element.nodeName.toLowerCase() ) !== -1;
} );
}
var dataElement, newDimensions,
figure = domElements[0],
imgWrapper = findChildren( figure, [ 'a', 'span' ] )[0] || null,
img = imgWrapper && findChildren( imgWrapper, [ 'img' ] )[0] || null,
caption = findChildren( figure, [ 'figcaption' ] )[0] || null,
classAttr = figure.getAttribute( 'class' ),
typeofAttr = figure.getAttribute( 'typeof' ),
attributes = {
type: this.rdfaToType[typeofAttr],
href: imgWrapper && imgWrapper.getAttribute( 'href' ) || '',
src: img && img.getAttribute( 'src' ),
resource: img && img.getAttribute( 'resource' )
},
width = img && img.getAttribute( 'width' ),
height = img && img.getAttribute( 'height' ),
altText = img && img.getAttribute( 'alt' );
if ( altText !== null ) {
attributes.alt = altText;
}
this.setClassAttributes( attributes, classAttr );
attributes.align = attributes.align || 'default';
attributes.width = width !== null && width !== '' ? Number( width ) : null;
attributes.height = height !== null && height !== '' ? Number( height ) : null;
// Default-size
if ( attributes.defaultSize ) {
// Force wiki-default size for thumb and frameless
if (
attributes.type === 'thumb' ||
attributes.type === 'frameless'
) {
// We're gonna change .width and .height, store the original
// values so we can restore them later.
// FIXME "just" don't modify .width and .height instead
attributes.originalWidth = attributes.width;
attributes.originalHeight = attributes.height;
// Parsoid hands us images with default Wikipedia dimensions
// rather than default MediaWiki configuration dimensions.
// We must force local wiki default in edit mode for default
// size images.
newDimensions = ve.dm.MWImageNode.static.scaleToThumbnailSize( attributes );
if ( newDimensions ) {
attributes.width = newDimensions.width;
attributes.height = newDimensions.height;
}
}
}
dataElement = { type: this.name, attributes: attributes };
this.storeGeneratedContents( dataElement, dataElement.attributes.src, converter.getStore() );
if ( caption ) {
return [ dataElement ]
.concat( converter.getDataFromDomClean( caption, { type: 'mwImageCaption' } ) )
.concat( [ { type: '/' + this.name } ] );
} else {
return [
dataElement,
{ type: 'mwImageCaption' },
{ type: '/mwImageCaption' },
{ type: '/' + this.name }
];
}
};
// 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 rdfa, width, height,
dataElement = data[0],
figure = doc.createElement( 'figure' ),
imgWrapper = doc.createElement( dataElement.attributes.href !== '' ? 'a' : 'span' ),
img = doc.createElement( 'img' ),
wrapper = doc.createElement( 'div' ),
classAttr = this.getClassAttrFromAttributes( dataElement.attributes ),
captionData = data.slice( 1, -1 );
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] );
if ( classAttr ) {
figure.className = classAttr;
}
if ( dataElement.attributes.href !== '' ) {
imgWrapper.setAttribute( 'href', dataElement.attributes.href );
}
width = dataElement.attributes.width;
height = dataElement.attributes.height;
// If defaultSize is set, and was set on the way in, use the original width and height
// we got on the way in.
if ( dataElement.attributes.defaultSize ) {
if ( dataElement.attributes.originalWidth !== undefined ) {
width = dataElement.attributes.originalWidth;
}
if ( dataElement.attributes.originalHeight !== undefined ) {
height = dataElement.attributes.originalHeight;
}
}
img.setAttribute( 'src', dataElement.attributes.src );
img.setAttribute( 'width', width );
img.setAttribute( 'height', height );
img.setAttribute( 'resource', dataElement.attributes.resource );
if ( dataElement.attributes.alt !== undefined ) {
img.setAttribute( 'alt', dataElement.attributes.alt );
}
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 );