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- /**
- * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- /**
- * @module link/linkengine
- */
- import Plugin from '@ckeditor/ckeditor5-core/src/plugin';
- import buildModelConverter from '@ckeditor/ckeditor5-engine/src/conversion/buildmodelconverter';
- import buildViewConverter from '@ckeditor/ckeditor5-engine/src/conversion/buildviewconverter';
- import LinkElement from './linkelement';
- import LinkCommand from './linkcommand';
- import UnlinkCommand from './unlinkcommand';
- /**
- * The link engine feature.
- *
- * It introduces the `linkHref="url"` attribute in the model which renders to the view as a `<a href="url">` element.
- *
- * @extends module:core/plugin~Plugin
- */
- export default class LinkEngine extends Plugin {
- /**
- * @inheritDoc
- */
- init() {
- const editor = this.editor;
- const data = editor.data;
- const editing = editor.editing;
- // Allow link attribute on all inline nodes.
- editor.model.schema.allow( { name: '$inline', attributes: 'linkHref', inside: '$block' } );
- // Temporary workaround. See https://github.com/ckeditor/ckeditor5/issues/477.
- editor.model.schema.allow( { name: '$inline', attributes: 'linkHref', inside: '$clipboardHolder' } );
- // Build converter from model to view for data and editing pipelines.
- buildModelConverter().for( data.modelToView, editing.modelToView )
- .fromAttribute( 'linkHref' )
- .toElement( linkHref => {
- const linkElement = new LinkElement( 'a', { href: linkHref } );
- // https://github.com/ckeditor/ckeditor5-link/issues/121
- linkElement.priority = 5;
- return linkElement;
- } );
- // Build converter from view to model for data pipeline.
- buildViewConverter().for( data.viewToModel )
- // Convert <a> with href (value doesn't matter).
- .from( { name: 'a', attribute: { href: /.?/ } } )
- .toAttribute( viewElement => ( {
- key: 'linkHref',
- value: viewElement.getAttribute( 'href' )
- } ) );
- // Create linking commands.
- editor.commands.add( 'link', new LinkCommand( editor ) );
- editor.commands.add( 'unlink', new UnlinkCommand( editor ) );
- }
- }
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