/** * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license */ /** * @module link/unlinkcommand */ import Command from '@ckeditor/ckeditor5-core/src/command'; import first from '@ckeditor/ckeditor5-utils/src/first'; import findLinkRange from './findlinkrange'; import { isImageAllowed } from './utils'; /** * The unlink command. It is used by the {@link module:link/link~Link link plugin}. * * @extends module:core/command~Command */ export default class UnlinkCommand extends Command { /** * @inheritDoc */ refresh() { const model = this.editor.model; const doc = model.document; const selectedElement = first( doc.selection.getSelectedBlocks() ); // A check for the `LinkImage` plugin. If the selection contains an image element, get values from the element. // Currently the selection reads attributes from text nodes only. See #7429 and #7465. if ( isImageAllowed( selectedElement, model.schema ) ) { this.isEnabled = model.schema.checkAttribute( selectedElement, 'linkHref' ); } else { this.isEnabled = model.schema.checkAttributeInSelection( doc.selection, 'linkHref' ); } } /** * Executes the command. * * When the selection is collapsed, it removes the `linkHref` attribute from each node with the same `linkHref` attribute value. * When the selection is non-collapsed, it removes the `linkHref` attribute from each node in selected ranges. * * # Decorators * * If {@link module:link/link~LinkConfig#decorators `config.link.decorators`} is specified, * all configured decorators are removed together with the `linkHref` attribute. * * @fires execute */ execute() { const editor = this.editor; const model = this.editor.model; const selection = model.document.selection; const linkCommand = editor.commands.get( 'link' ); model.change( writer => { // Get ranges to unlink. const rangesToUnlink = selection.isCollapsed ? [ findLinkRange( selection.getFirstPosition(), selection.getAttribute( 'linkHref' ), model ) ] : selection.getRanges(); // Remove `linkHref` attribute from specified ranges. for ( const range of rangesToUnlink ) { writer.removeAttribute( 'linkHref', range ); // If there are registered custom attributes, then remove them during unlink. if ( linkCommand ) { for ( const manualDecorator of linkCommand.manualDecorators ) { writer.removeAttribute( manualDecorator.id, range ); } } } } ); } }