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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* A javascript module to enhance the event form.
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*
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* @module core_calendar/event_form
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* @copyright 2017 Ryan Wyllie <ryan@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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define(['jquery', 'core_calendar/repository', 'core/notification'], function($, CalendarRepository, Notification) {
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var SELECTORS = {
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EVENT_GROUP_COURSE_ID: '[name="groupcourseid"]',
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EVENT_GROUP_ID: '[name="groupid"]',
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SELECT_OPTION: 'option'
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};
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/**
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* Listen for when the user changes the group course when configuring
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* a group event and filter the options in the group select to only
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* show the groups available within the course the user has selected.
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*
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* @method addCourseGroupSelectListeners
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* @param {object} formElement The root form element
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*/
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var addCourseGroupSelectListeners = function(formElement) {
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var courseGroupSelect = formElement.find(SELECTORS.EVENT_GROUP_COURSE_ID);
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var loadGroupSelectOptions = function(groups) {
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var groupSelect = formElement.find(SELECTORS.EVENT_GROUP_ID),
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groupSelectOptions = groupSelect.find(SELECTORS.SELECT_OPTION),
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courseGroups = $(groups);
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// Let's clear all options first.
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groupSelectOptions.remove();
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groupSelect.prop("disabled", false);
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courseGroups.each(function(id, group) {
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$(groupSelect).append($("<option></option>").attr("value", group.id).text(group.name));
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});
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};
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// If the user choose a course in the selector do a WS request to get groups.
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courseGroupSelect.on('change', function() {
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var courseId = formElement.find(SELECTORS.EVENT_GROUP_COURSE_ID).val();
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if (isNaN(courseId) || courseId <= 0) {
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loadGroupSelectOptions([]);
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} else {
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CalendarRepository.getCourseGroupsData(courseId)
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.then(function(groups) {
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return loadGroupSelectOptions(groups);
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})
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.catch(Notification.exception);
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}
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});
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};
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/**
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* Initialise all of the form enhancements.
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*
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* @method init
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* @param {string} formId The value of the form's id attribute
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*/
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var init = function(formId) {
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var formElement = $('#' + formId);
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addCourseGroupSelectListeners(formElement);
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};
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return {
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init: init,
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};
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});
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