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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/>.
/**
* Javascript controller for the "User summary" panel at the top of the page.
*
* @module mod_assign/grading_navigation_user_info
* @package mod_assign
* @class UserInfo
* @copyright 2016 Damyon Wiese <damyon@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since 3.1
*/
define(['jquery', 'core/notification', 'core/ajax', 'core/templates'], function($, notification, ajax, templates) {
/**
* UserInfo class.
*
* @class UserInfo
* @param {String} selector The selector for the page region containing the user navigation.
*/
var UserInfo = function(selector) {
this._regionSelector = selector;
this._region = $(selector);
this._userCache = {};
$(document).on('user-changed', this._refreshUserInfo.bind(this));
};
/** @type {String} Selector for the page region containing the user navigation. */
UserInfo.prototype._regionSelector = null;
/** @type {Array} Cache of user info contexts. */
UserInfo.prototype._userCache = null;
/** @type {JQuery} JQuery node for the page region containing the user navigation. */
UserInfo.prototype._region = null;
/** @type {Integer} Remember the last user id to prevent unnecessary reloads. */
UserInfo.prototype._lastUserId = 0;
/**
* Get the assignment id
*
* @private
* @method _getAssignmentId
* @return {Integer} assignment id
*/
UserInfo.prototype._getAssignmentId = function() {
return this._region.attr('data-assignmentid');
};
/**
* Get the user context - re-render the template in the page.
*
* @private
* @method _refreshUserInfo
* @param {Event} event
* @param {Number} userid
*/
UserInfo.prototype._refreshUserInfo = function(event, userid) {
var promise = $.Deferred();
// Put the current user ID in the DOM so yui can access it.
this._region.attr('data-userid', userid);
// Skip reloading if it is the same user.
if (this._lastUserId == userid) {
return;
}
this._lastUserId = userid;
// First insert the loading template.
templates.render('mod_assign/loading', {}).done(function(html, js) {
// Update the page.
this._region.fadeOut("fast", function() {
templates.replaceNodeContents(this._region, html, js);
this._region.fadeIn("fast");
}.bind(this));
if (userid < 0) {
// Render the template.
templates.render('mod_assign/grading_navigation_no_users', {}).done(function(html, js) {
if (userid == this._lastUserId) {
// Update the page.
this._region.fadeOut("fast", function() {
templates.replaceNodeContents(this._region, html, js);
this._region.fadeIn("fast");
}.bind(this));
}
}.bind(this)).fail(notification.exception);
return;
}
if (typeof this._userCache[userid] !== "undefined") {
promise.resolve(this._userCache[userid]);
} else {
// Load context from ajax.
var assignmentId = this._getAssignmentId();
var requests = ajax.call([{
methodname: 'mod_assign_get_participant',
args: {
userid: userid,
assignid: assignmentId,
embeduser: true
}
}]);
requests[0].done(function(participant) {
if (!participant.hasOwnProperty('id')) {
promise.reject('No users');
} else {
this._userCache[userid] = participant;
promise.resolve(this._userCache[userid]);
}
}.bind(this)).fail(notification.exception);
}
promise.done(function(context) {
var identityfields = $('[data-showuseridentity]').data('showuseridentity').split(','),
identity = [];
// Render the template.
context.courseid = $('[data-region="grading-navigation-panel"]').attr('data-courseid');
if (context.user) {
// Build a string for the visible identity fields listed in showuseridentity config setting.
$.each(identityfields, function(i, k) {
if (typeof context.user[k] !== 'undefined' && context.user[k] !== '') {
context.hasidentity = true;
identity.push(context.user[k]);
}
});
context.identity = identity.join(', ');
// Add profile image url to context.
if (context.user.profileimageurl) {
context.profileimageurl = context.user.profileimageurl;
}
}
templates.render('mod_assign/grading_navigation_user_summary', context).done(function(html, js) {
// Update the page.
if (userid == this._lastUserId) {
this._region.fadeOut("fast", function() {
templates.replaceNodeContents(this._region, html, js);
this._region.fadeIn("fast");
}.bind(this));
}
}.bind(this)).fail(notification.exception);
}.bind(this)).fail(function() {
// Render the template.
templates.render('mod_assign/grading_navigation_no_users', {}).done(function(html, js) {
// Update the page.
this._region.fadeOut("fast", function() {
templates.replaceNodeContents(this._region, html, js);
this._region.fadeIn("fast");
}.bind(this));
}.bind(this)).fail(notification.exception);
}
.bind(this));
}.bind(this)).fail(notification.exception);
};
return UserInfo;
});