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- /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- import ViewContainerElement from '../engine/view/containerelement.js';
- import ViewEmptyElement from '../engine/view/emptyelement.js';
- import ModelElement from '../engine/model/element.js';
- import { isImageWidget } from './utils.js';
- /**
- * Returns function that converts image view representation:
- *
- * <figure class="image"><img src="..." alt="..."></img></figure>
- *
- * to model representation:
- *
- * <image src="..." alt="..."></image>
- *
- * @returns {Function}
- */
- export function viewToModelImage() {
- return ( evt, data, consumable, conversionApi ) => {
- const viewFigureElement = data.input;
- // *** Step 1: Validate conversion.
- // Check if figure element can be consumed.
- if ( !consumable.test( viewFigureElement, { name: true, class: 'image' } ) ) {
- return;
- }
- // Check if image element can be converted in current context.
- if ( !conversionApi.schema.check( { name: 'image', inside: data.context, attributes: 'src' } ) ) {
- return;
- }
- // Check if img element is placed inside figure element and can be consumed with `src` attribute.
- const viewImg = viewFigureElement.getChild( 0 );
- if ( !viewImg || viewImg.name != 'img' || !consumable.test( viewImg, { name: true, attribute: 'src' } ) ) {
- return;
- }
- // *** Step2: Convert to model.
- consumable.consume( viewFigureElement, { name: true, class: 'image' } );
- consumable.consume( viewImg, { name: true, attribute: 'src' } );
- // Create model element.
- const modelImage = new ModelElement( 'image', {
- src: viewImg.getAttribute( 'src' )
- } );
- // Convert `alt` attribute if present.
- if ( consumable.consume( viewImg, { attribute: [ 'alt' ] } ) ) {
- modelImage.setAttribute( 'alt', viewImg.getAttribute( 'alt' ) );
- }
- data.output = modelImage;
- };
- }
- /**
- * Returns model to view selection converter. This converter is applied after default selection conversion is made.
- * It creates fake view selection when {@link engine.view.Selection#getSelectedElement} returns instance of image widget.
- *
- * @param {Function} t {@link utils.Locale#t Locale#t function} used to translate default fake selection's label.
- * @returns {Function}
- */
- export function modelToViewSelection( t ) {
- return ( evt, data, consumable, conversionApi ) => {
- const viewSelection = conversionApi.viewSelection;
- const selectedElement = viewSelection.getSelectedElement();
- if ( !selectedElement || !isImageWidget( selectedElement ) ) {
- return;
- }
- let fakeSelectionLabel = t( 'image widget' );
- const imgElement = selectedElement.getChild( 0 );
- const altText = imgElement.getAttribute( 'alt' );
- if ( altText ) {
- fakeSelectionLabel = `${ altText } ${ fakeSelectionLabel }`;
- }
- viewSelection.setFake( true, { label: fakeSelectionLabel } );
- };
- }
- /**
- * Converts model `image` element to view representation:
- *
- * <figure class="image"><img src="..." alt="..."></img></figure>
- *
- * @param {engine.model.Element} modelElement
- * @returns {engine.view.ContainerElement}
- */
- export function modelToViewImage( modelElement ) {
- const viewImg = new ViewEmptyElement( 'img', {
- src: modelElement.getAttribute( 'src' )
- } );
- if ( modelElement.hasAttribute( 'alt' ) ) {
- viewImg.setAttribute( 'alt', modelElement.getAttribute( 'alt' ) );
- }
- return new ViewContainerElement( 'figure', { class: 'image' }, viewImg );
- }
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