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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 font/fontcommand
- */
- import Command from '@ckeditor/ckeditor5-core/src/command';
- /**
- * The base font command.
- *
- * @extends module:core/command~Command
- */
- export default class FontCommand extends Command {
- /**
- * Creates an instance of the command.
- *
- * @param {module:core/editor/editor~Editor} editor Editor instance.
- * @param {String} attributeKey The name of a model attribute on which this command operates.
- */
- constructor( editor, attributeKey ) {
- super( editor );
- /**
- * When set, it reflects the {@link #attributeKey} value of the selection.
- *
- * @observable
- * @readonly
- * @member {String} module:font/fontcommand~FontCommand#value
- */
- /**
- * A model attribute on which this command operates.
- *
- * @readonly
- * @member {Boolean} module:font/fontcommand~FontCommand#attributeKey
- */
- this.attributeKey = attributeKey;
- }
- /**
- * @inheritDoc
- */
- refresh() {
- const model = this.editor.model;
- const doc = model.document;
- this.value = doc.selection.getAttribute( this.attributeKey );
- this.isEnabled = model.schema.checkAttributeInSelection( doc.selection, this.attributeKey );
- }
- /**
- * Executes the command. Applies the `value` of the {@link #attributeKey} to the selection.
- * If no `value` is passed, it removes the attribute from the selection.
- *
- * @protected
- * @param {Object} [options] Options for the executed command.
- * @param {String} [options.value] The value to apply.
- * @fires execute
- */
- execute( options = {} ) {
- const model = this.editor.model;
- const document = model.document;
- const selection = document.selection;
- const value = options.value;
- model.change( writer => {
- if ( selection.isCollapsed ) {
- if ( value ) {
- writer.setSelectionAttribute( this.attributeKey, value );
- } else {
- writer.removeSelectionAttribute( this.attributeKey );
- }
- } else {
- const ranges = model.schema.getValidRanges( selection.getRanges(), this.attributeKey );
- for ( const range of ranges ) {
- if ( value ) {
- writer.setAttribute( this.attributeKey, value, range );
- } else {
- writer.removeAttribute( this.attributeKey, range );
- }
- }
- }
- } );
- }
- }
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