grade/amd/src/edittree_index.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/>.

/**
 * Enhance the gradebook tree setup with various facilities.
 *
 * @module     core_grades/edittree_index
 * @copyright  2016 Andrew Nicols <andrew@nicols.co.uk>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
define([
    'jquery',
], function($) {
    /**
     * Enhance the edittree functionality.
     *
     * @method edittree
     */
    var edittree = function() {
        // Watch for the weight override checkboxes.
        $('body').on('change', '.weightoverride', edittree.toggleWeightInput);

        // Watch changes to the bulk move menu and submit.
        $('#menumoveafter').on('change', function() {
            var form = $(this).closest('form'),
                bulkmove = form.find('#bulkmoveinput');

            bulkmove.val(1);
            form.submit();
        });
    };

    /**
     * Toggle the weight input field based on its checkbox.
     *
     * @method toggleWeightInput
     * @param {EventFacade} e
     * @private
     */
    edittree.toggleWeightInput = function(e) {
        e.preventDefault();
        var node = $(this),
            row = node.closest('tr');

        $('input[name="weight_' + row.data('itemid') + '"]').prop('disabled', !node.prop('checked'));
    };

    return /** @alias module:core_grades/edittree_index */ {
        enhance: edittree
    };
});