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// 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/>.
/**
* This module is the highest level module for the calendar. It is
* responsible for initialising all of the components required for
* the calendar to run. It also coordinates the interaction between
* components by listening for and responding to different events
* triggered within the calendar UI.
*
* @module core_calendar/calendar
* @package core_calendar
* @copyright 2017 Simey Lameze <simey@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
define([
'jquery',
'core/ajax',
'core/str',
'core/templates',
'core/notification',
'core/custom_interaction_events',
'core/modal_events',
'core/modal_factory',
'core_calendar/modal_event_form',
'core_calendar/summary_modal',
'core_calendar/repository',
'core_calendar/events',
'core_calendar/view_manager',
'core_calendar/crud',
'core_calendar/selectors',
],
function(
$,
Ajax,
Str,
Templates,
Notification,
CustomEvents,
ModalEvents,
ModalFactory,
ModalEventForm,
SummaryModal,
CalendarRepository,
CalendarEvents,
CalendarViewManager,
CalendarCrud,
CalendarSelectors
) {
var SELECTORS = {
ROOT: "[data-region='calendar']",
DAY: "[data-region='day']",
NEW_EVENT_BUTTON: "[data-action='new-event-button']",
DAY_CONTENT: "[data-region='day-content']",
LOADING_ICON: '.loading-icon',
VIEW_DAY_LINK: "[data-action='view-day-link']",
CALENDAR_MONTH_WRAPPER: ".calendarwrapper",
TODAY: '.today',
};
/**
* Handler for the drag and drop move event. Provides a loading indicator
* while the request is sent to the server to update the event start date.
*
* Triggers a eventMoved calendar javascript event if the event was successfully
* updated.
*
* @param {event} e The calendar move event
* @param {int} eventId The event id being moved
* @param {object|null} originElement The jQuery element for where the event is moving from
* @param {object} destinationElement The jQuery element for where the event is moving to
*/
var handleMoveEvent = function(e, eventId, originElement, destinationElement) {
var originTimestamp = null;
var destinationTimestamp = destinationElement.attr('data-day-timestamp');
if (originElement) {
originTimestamp = originElement.attr('data-day-timestamp');
}
// If the event has actually changed day.
if (!originElement || originTimestamp != destinationTimestamp) {
Templates.render('core/loading', {})
.then(function(html, js) {
// First we show some loading icons in each of the days being affected.
destinationElement.find(SELECTORS.DAY_CONTENT).addClass('hidden');
Templates.appendNodeContents(destinationElement, html, js);
if (originElement) {
originElement.find(SELECTORS.DAY_CONTENT).addClass('hidden');
Templates.appendNodeContents(originElement, html, js);
}
return;
})
.then(function() {
// Send a request to the server to make the change.
return CalendarRepository.updateEventStartDay(eventId, destinationTimestamp);
})
.then(function() {
// If the update was successful then broadcast an event letting the calendar
// know that an event has been moved.
$('body').trigger(CalendarEvents.eventMoved, [eventId, originElement, destinationElement]);
return;
})
.always(function() {
// Always remove the loading icons regardless of whether the update
// request was successful or not.
var destinationLoadingElement = destinationElement.find(SELECTORS.LOADING_ICON);
destinationElement.find(SELECTORS.DAY_CONTENT).removeClass('hidden');
Templates.replaceNode(destinationLoadingElement, '', '');
if (originElement) {
var originLoadingElement = originElement.find(SELECTORS.LOADING_ICON);
originElement.find(SELECTORS.DAY_CONTENT).removeClass('hidden');
Templates.replaceNode(originLoadingElement, '', '');
}
return;
})
.fail(Notification.exception);
}
};
/**
* Listen to and handle any calendar events fired by the calendar UI.
*
* @method registerCalendarEventListeners
* @param {object} root The calendar root element
* @param {object} eventFormModalPromise A promise reolved with the event form modal
*/
var registerCalendarEventListeners = function(root, eventFormModalPromise) {
var body = $('body');
body.on(CalendarEvents.created, function() {
CalendarViewManager.reloadCurrentMonth(root);
});
body.on(CalendarEvents.deleted, function() {
CalendarViewManager.reloadCurrentMonth(root);
});
body.on(CalendarEvents.updated, function() {
CalendarViewManager.reloadCurrentMonth(root);
});
body.on(CalendarEvents.editActionEvent, function(e, url) {
// Action events needs to be edit directly on the course module.
window.location.assign(url);
});
// Handle the event fired by the drag and drop code.
body.on(CalendarEvents.moveEvent, handleMoveEvent);
// When an event is successfully moved we should updated the UI.
body.on(CalendarEvents.eventMoved, function() {
CalendarViewManager.reloadCurrentMonth(root);
});
CalendarCrud.registerEditListeners(root, eventFormModalPromise);
};
/**
* Register event listeners for the module.
*
* @param {object} root The calendar root element
*/
var registerEventListeners = function(root) {
// Listen the click on the day link to render the day view.
root.on('click', SELECTORS.VIEW_DAY_LINK, function(e) {
var dayLink = $(e.target);
var year = dayLink.data('year'),
month = dayLink.data('month'),
day = dayLink.data('day'),
courseId = dayLink.data('courseid'),
categoryId = dayLink.data('categoryid');
CalendarViewManager.refreshDayContent(root, year, month, day, courseId, categoryId, root,
'core_calendar/calendar_day').then(function() {
e.preventDefault();
var url = '?view=day&time=' + dayLink.data('timestamp');
return window.history.pushState({}, '', url);
}).fail(Notification.exception);
});
root.on('change', CalendarSelectors.elements.courseSelector, function() {
var selectElement = $(this);
var courseId = selectElement.val();
CalendarViewManager.reloadCurrentMonth(root, courseId, null)
.then(function() {
// We need to get the selector again because the content has changed.
return root.find(CalendarSelectors.elements.courseSelector).val(courseId);
})
.fail(Notification.exception);
});
var eventFormPromise = CalendarCrud.registerEventFormModal(root),
contextId = $(SELECTORS.CALENDAR_MONTH_WRAPPER).data('context-id');
registerCalendarEventListeners(root, eventFormPromise);
if (contextId) {
// Bind click events to calendar days.
root.on('click', SELECTORS.DAY, function (e) {
var target = $(e.target);
if (!target.is(SELECTORS.VIEW_DAY_LINK)) {
var startTime = $(this).attr('data-new-event-timestamp');
eventFormPromise.then(function (modal) {
var wrapper = target.closest(CalendarSelectors.wrapper);
modal.setCourseId(wrapper.data('courseid'));
var categoryId = wrapper.data('categoryid');
if (typeof categoryId !== 'undefined') {
modal.setCategoryId(categoryId);
}
modal.setContextId(wrapper.data('contextId'));
modal.setStartTime(startTime);
modal.show();
return;
})
.fail(Notification.exception);
e.preventDefault();
}
});
}
};
return {
init: function(root) {
root = $(root);
CalendarViewManager.init(root);
registerEventListeners(root);
}
};
});