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- /**
- * @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 );
- }
- }
- }
- } );
- }
- }
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