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- /**
- * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- /**
- * @module link/unlinkcommand
- */
- import Command from '@ckeditor/ckeditor5-core/src/command/command';
- import findLinkRange from './findlinkrange';
- /**
- * The unlink command. It is used by the {@link module:link/link~Link link plugin}.
- *
- * @extends module:core/command/command~Command
- */
- export default class UnlinkCommand extends Command {
- /**
- * @see module:core/command/command~Command
- * @param {module:core/editor/editor~Editor} editor
- */
- constructor( editor ) {
- super( editor );
- // Checks when command should be enabled or disabled.
- this.listenTo( editor.document.selection, 'change:attribute', () => this.refreshState() );
- }
- /**
- * Executes the command.
- *
- * When the selection is collapsed, removes `linkHref` attribute from each node with the same `linkHref` attribute value.
- * When the selection is non-collapsed, removes `linkHref` from each node in selected ranges.
- *
- * @protected
- */
- _doExecute() {
- const document = this.editor.document;
- const selection = document.selection;
- document.enqueueChanges( () => {
- // Get ranges to unlink.
- const rangesToUnlink = selection.isCollapsed ?
- [ findLinkRange( selection.getFirstPosition(), selection.getAttribute( 'linkHref' ) ) ] : selection.getRanges();
- // Keep it as one undo step.
- const batch = document.batch();
- // Remove `linkHref` attribute from specified ranges.
- for ( let range of rangesToUnlink ) {
- batch.removeAttribute( range, 'linkHref' );
- }
- } );
- }
- /**
- * Checks if selection has `linkHref` attribute.
- *
- * @protected
- * @returns {Boolean}
- */
- _checkEnabled() {
- return this.editor.document.selection.hasAttribute( 'linkHref' );
- }
- }
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