Proyectos de Subversion Moodle

// 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

 * @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 mod_assign/grading_navigation_user_info

     * @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));

    };

    /** @property {String} Selector for the page region containing the user navigation. */

    UserInfo.prototype._regionSelector = null;

    /** @property {Array} Cache of user info contexts. */

    UserInfo.prototype._userCache = null;

    /** @property {JQuery} JQuery node for the page region containing the user navigation. */

    UserInfo.prototype._region = null;

    /** @property {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;

});