button.js

// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/*
 * Atto text editor x plugin.
 *
 * @module     moodle-atto_x-button
 * @package    editor-atto
 * @copyright  2014 Andrew Nicols
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

/**
 * Atto text editor x plugin.
 *
 * Inspired by http://www.xkcd.com/1341/.
 *
 * @namespace M.atto_x
 * @class button
 */

Y.namespace('M.atto_x').Button = Y.Base.create('button', Y.M.editor_atto.EditorPlugin, [], {
    initializer: function() {
        this.get('host').on('change', function() {
            if (this.textarea.get('value') === '<em>Hi</em>') {
                this.editor
                        .empty()
                        .appendChild('The HORSE is a noble animal.');
            }
        });
    }
});