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* VisualEditor DataModel BlockImageNode class.
*
* @copyright See AUTHORS.txt
*/
/**
* DataModel block image node.
*
* @class
* @extends ve.dm.BranchNode
* @mixes ve.dm.ImageNode
* @mixes ve.dm.AlignableNode
*
* @constructor
* @param {Object} [element] Reference to element in linear model
* @param {ve.dm.Node[]} [children]
*/
ve.dm.BlockImageNode = function VeDmBlockImageNode() {
// Parent constructor
ve.dm.BlockImageNode.super.apply( this, arguments );
// Mixin constructors
ve.dm.ImageNode.call( this );
ve.dm.AlignableNode.call( this );
// <figure>
// <img/>
// [<figcaption/>]
// </figure>
};
/* Inheritance */
OO.inheritClass( ve.dm.BlockImageNode, ve.dm.BranchNode );
OO.mixinClass( ve.dm.BlockImageNode, ve.dm.ImageNode );
// Mixin Alignable's parent class
OO.mixinClass( ve.dm.BlockImageNode, ve.dm.ClassAttributeNode );
OO.mixinClass( ve.dm.BlockImageNode, ve.dm.AlignableNode );
/* Static Properties */
ve.dm.BlockImageNode.static.name = 'blockImage';
ve.dm.BlockImageNode.static.preserveHtmlAttributes = function ( attribute ) {
const attributes = [ 'class', 'src', 'width', 'height' ];
return attributes.indexOf( attribute ) === -1;
};
ve.dm.BlockImageNode.static.handlesOwnChildren = true;
ve.dm.BlockImageNode.static.childNodeTypes = [ 'imageCaption' ];
ve.dm.BlockImageNode.static.matchTagNames = [ 'figure' ];
ve.dm.BlockImageNode.static.matchFunction = function ( element ) {
return element.children[ 0 ] && element.children[ 0 ].nodeName === 'IMG';
};
ve.dm.BlockImageNode.static.toDataElement = function ( domElements, converter ) {
const figure = domElements[ 0 ];
const classAttr = figure.getAttribute( 'class' );
const img = figure.children[ 0 ];
const width = img.getAttribute( 'width' );
const height = img.getAttribute( 'height' );
const caption = figure.children[ 1 ];
const attributes = {
src: img.getAttribute( 'src' ),
width: width !== null && width !== '' ? +width : null,
height: height !== null && height !== '' ? +height : null,
alt: img.getAttribute( 'alt' )
};
this.setClassAttributes( attributes, classAttr );
const dataElement = {
type: this.name,
attributes: attributes
};
if ( !caption ) {
return [
dataElement,
{ type: 'imageCaption' },
{ type: '/imageCaption' },
{ type: '/' + this.name }
];
} else {
return [ dataElement ].concat(
converter.getDataFromDomClean( caption, { type: 'imageCaption' } ),
{ 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.BlockImageNode.static.toDomElements = function ( data, doc, converter ) {
const dataElement = data[ 0 ],
figure = doc.createElement( 'figure' ),
img = doc.createElement( 'img' );
ve.setDomAttributes( img, dataElement.attributes, [ 'alt', 'src', 'width', 'height' ] );
figure.appendChild( img );
const classAttr = this.getClassAttrFromAttributes( dataElement.attributes );
if ( classAttr ) {
// eslint-disable-next-line mediawiki/class-doc
figure.className = classAttr;
}
const captionData = data.slice( 1, -1 );
// 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 ) {
const wrapper = doc.createElement( 'div' );
converter.getDomSubtreeFromData( captionData, wrapper );
while ( wrapper.firstChild ) {
figure.appendChild( wrapper.firstChild );
}
}
return [ figure ];
};
/* Methods */
/**
* Get the caption node of the image.
*
* @return {ve.dm.BlockImageCaptionNode|null} Caption node, if present
*/
ve.dm.BlockImageNode.prototype.getCaptionNode = function () {
const node = this.children[ 0 ];
return node instanceof ve.dm.BlockImageCaptionNode ? node : null;
};
/**
* @inheritdoc
*/
ve.dm.BlockImageNode.prototype.suppressSlugType = function () {
// TODO: Have alignment attribute changes trigger a parent branch node re-render
return this.getAttribute( 'align' ) !== 'center' ? 'float' : null;
};
/* Registration */
ve.dm.modelRegistry.register( ve.dm.BlockImageNode );
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