100 lines
3.4 KiB
PHP
100 lines
3.4 KiB
PHP
<?php
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// This file is part of the customcert module for 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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defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
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require_once($CFG->dirroot . '/mod/customcert/element/element.class.php');
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/**
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* The customcert element teachername's core interaction API.
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*
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* @package customcertelement_teachername
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* @copyright 2013 Mark Nelson <markn@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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class customcert_element_teachername extends customcert_element_base {
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/**
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* This function renders the form elements when adding a customcert element.
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*
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* @param mod_customcert_edit_element_form $mform the edit_form instance
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*/
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public function render_form_elements($mform) {
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$mform->addElement('select', 'teacher', get_string('teacher', 'customcertelement_teachername'),
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$this->get_list_of_teachers());
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$mform->addHelpButton('teacher', 'teacher', 'customcertelement_teachername');
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parent::render_form_elements($mform);
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}
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/**
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* This will handle how form data will be saved into the data column in the
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* customcert_elements table.
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*
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* @param stdClass $data the form data
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* @return string the text
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*/
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public function save_unique_data($data) {
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return $data->teacher;
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}
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/**
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* Handles rendering the element on the pdf.
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*
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* @param pdf $pdf the pdf object
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* @param bool $preview true if it is a preview, false otherwise
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*/
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public function render($pdf, $preview) {
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global $DB;
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$teacher = $DB->get_record('user', array('id' => $this->element->data), 'id, firstname, lastname');
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$teachername = fullname($teacher);
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parent::render_content($pdf, $teachername);
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}
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/**
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* Helper function to return the teachers for this course.
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*
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* @return array the list of teachers
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*/
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private function get_list_of_teachers() {
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// When editing this element the cmid will be present in the URL.
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$cmid = required_param('cmid', PARAM_INT);
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// The list of teachers to return.
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$teachers = array();
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// Now return all users who can manage the customcert in this context.
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if ($users = get_users_by_capability(context_module::instance($cmid), 'mod/customcert:manage', 'u.id, u.firstname, u.lastname')) {
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foreach ($users as $user) {
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$teachers[$user->id] = fullname($user);
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}
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}
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return $teachers;
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}
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/**
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* Sets the data on the form when editing an element.
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*
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* @param mod_customcert_edit_element_form $mform the edit_form instance
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*/
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public function definition_after_data($mform) {
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$this->element->teacher = $this->element->data;
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parent::definition_after_data($mform);
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}
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}
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