moodle-mod_htmlcert/elements/userfield/lib.php

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<?php
// This file is part of the customcert module for 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/>.
defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
require_once($CFG->dirroot . '/mod/customcert/elements/element.class.php');
/**
* The customcert element userfield's core interaction API.
*
* @package customcertelements_userfield
* @copyright Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class customcert_elements_userfield extends customcert_elements_base {
/**
* Constructor.
*
* @param stdClass $element the element data
*/
function __construct($element) {
parent::__construct($element);
$this->element->userfield = (!empty($element->data)) ? $element->data : '';
}
/**
* This function renders the form elements when adding a customcert element.
*
* @param mod_customcert_edit_element_form $mform the edit_form instance
*/
public function render_form_elements($mform) {
// Get the user fields.
$userfields = condition_info::get_condition_user_fields();
collatorlib::asort($userfields);
// Create the select box where the user field is selected.
$mform->addElement('select', 'userfield', get_string('userfield', 'customcertelements_userfield'), $userfields);
$mform->setType('userfield', PARAM_ALPHANUM);
$mform->addHelpButton('userfield', 'userfield', 'customcertelements_userfield');
parent::render_form_elements($mform);
}
/**
* This will handle how form data will be saved into the data column in the
* customcert_elements table.
*
* @param stdClass $data the form data
* @return string the text
*/
public function save_unique_data($data) {
return $data->userfield;
}
/**
* Handles rendering the element on the pdf.
*
* @param pdf $pdf the pdf object
*/
public function render($pdf) {
global $DB, $USER;
// The user field to display.
$field = $this->element->data;
// The value to display on the PDF.
$value = '';
if (is_number($field)) { // Must be a custom user profile field.
if ($field = $DB->get_record('user_info_field', array('id' => $field))) {
$value = $USER->profile[$field->shortname];
}
} else if (!empty($USER->$field)) { // Field in the user table.
$value = $USER->$field;
}
parent::render_content($pdf, $value);
}
}