5945171a9d
Rather than using grouped elements which can span across multiple lines on a small screen, the elements are now generated within a header element, keeping them separated and making the form more manageable. The base class was also changed to accomodate this by making it easier for elements to utilise common features.
259 lines
10 KiB
PHP
259 lines
10 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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if (!defined('MOODLE_INTERNAL')) {
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die('Direct access to this script is forbidden.'); /// It must be included from a Moodle page
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}
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require_once($CFG->dirroot.'/course/moodleform_mod.php');
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require_once($CFG->dirroot.'/mod/customcert/lib.php');
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/**
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* Instance add/edit form.
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*
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* @package mod
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* @subpackage customcert
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* @copyright 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 mod_customcert_edit_form extends moodleform {
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/**
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* The instance id.
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*/
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private $id = null;
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/**
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* The course.
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*/
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private $course = null;
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/**
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* The total number of pages for this cert.
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*/
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private $numpages = 1;
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/**
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* The filemanager options.
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*/
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private $filemanageroptions = array();
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/**
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* The array of element objects loaded on this form.
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*/
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private $elementobjects = array();
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/**
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* Form definition.
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*/
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function definition() {
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global $CFG, $DB, $OUTPUT;
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$this->id = $this->_customdata['customcertid'];
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$this->filemanageroptions = array('maxbytes' => $this->_customdata['course']->maxbytes,
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'subdirs' => 1,
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'accepted_types' => 'image');
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$mform =& $this->_form;
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// Get the number of pages for this module.
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if ($pages = $DB->get_records('customcert_pages', array('customcertid' => $this->id), 'pagenumber')) {
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$this->numpages = count($pages);
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foreach ($pages as $p) {
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$this->add_customcert_page_elements($p);
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}
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} else {
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$this->add_customcert_page_elements();
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}
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$mform->closeHeaderBefore('addcertpage');
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$mform->addElement('submit', 'addcertpage', get_string('addcertpage', 'customcert'));
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$mform->addElement('header', 'uploadimage', get_string('uploadimage', 'customcert'));
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$mform->addElement('filemanager', 'customcertimage', get_string('uploadimage', 'customcert'), '', $this->filemanageroptions);
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$mform->addElement('hidden', 'id');
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$mform->setType('id', PARAM_INT);
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$mform->setDefault('id', $this->id);
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$mform->addElement('hidden', 'cmid');
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$mform->setType('cmid', PARAM_INT);
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$mform->setDefault('cmid', $this->_customdata['cmid']);
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$this->add_action_buttons();
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}
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/**
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* Fill in the current page data for this certificate.
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*/
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function definition_after_data() {
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global $DB;
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$mform = $this->_form;
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// Editing existing instance - copy existing files into draft area.
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$draftitemid = file_get_submitted_draft_itemid('customcertimage');
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file_prepare_draft_area($draftitemid, context_system::instance()->id, 'mod_customcert', 'image', 0, $this->filemanageroptions);
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$element = $mform->getElement('customcertimage');
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$element->setValue($draftitemid);
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// Check that we are updating a current customcert.
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if ($this->id) {
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// Get the pages for this certificate.
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if ($pages = $DB->get_records('customcert_pages', array('customcertid' => $this->id))) {
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// Loop through the pages.
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foreach ($pages as $p) {
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// Set the orientation.
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$element = $mform->getElement('orientation_'.$p->id);
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$element->setValue($p->orientation);
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// Set the width.
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$element = $mform->getElement('width_'.$p->id);
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$element->setValue($p->width);
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// Set the height.
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$element = $mform->getElement('height_'.$p->id);
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$element->setValue($p->height);
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}
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}
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}
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}
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/**
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* Some basic validation.
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*
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* @param $data
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* @param $files
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* @return array the errors that were found
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*/
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public function validation($data, $files) {
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$errors = parent::validation($data, $files);
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// Go through the data and check any width or height values.
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foreach ($data as $key => $value) {
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if (strpos($key, 'width_') !== false) {
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$page = str_replace('width_', '', $key);
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// Validate that the width is a valid value.
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if (!isset($data['width_' . $page]) || !is_number($data['width_' . $page])) {
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$errors['width_' . $page] = get_string('widthnotvalid', 'customcert');
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}
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}
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if (strpos($key, 'height_') !== false) {
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$page = str_replace('height_', '', $key);
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// Validate that the height is a valid value.
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if (!isset($data['height_' . $page]) || !is_number($data['height_' . $page])) {
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$errors['height_' . $page] = get_string('heightnotvalid', 'customcert');
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}
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}
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}
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// Go through each element and perform validation.
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if (!empty($this->elementobjects)) {
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foreach ($this->elementobjects as $e) {
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$errors += $e->validate_form_elements($data, $files);
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}
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}
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return $errors;
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}
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/**
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* Adds the page elements to the form.
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*
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* @param stdClass $page the customcert page
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**/
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private function add_customcert_page_elements($page = null) {
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global $CFG, $DB, $OUTPUT;
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// Create the form object.
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$mform =& $this->_form;
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// Get the elements that are available
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$elementsavailable = customcert_get_elements();
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// If page is null we are adding a customcert, not editing one, so set pageid to 1.
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if (is_null($page)) {
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$pageid = 1;
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$pagenum = 1;
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} else {
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$pageid = $page->id;
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$pagenum = $page->pagenumber;
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}
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$mform->addElement('header', 'page_' . $pageid, get_string('page', 'customcert', $pagenum));
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// Place the ordering arrows.
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// Only display the move up arrow if it is not the first.
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if ($pagenum > 1) {
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$url = new moodle_url('/mod/customcert/edit.php', array('cmid' => $this->_customdata['cmid'], 'moveup' => $pageid));
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$mform->addElement('html', $OUTPUT->action_icon($url, new pix_icon('t/up', get_string('moveup'))));
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}
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// Only display the move down arrow if it is not the last.
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if ($pagenum < $this->numpages) {
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$url = new moodle_url('/mod/customcert/edit.php', array('cmid' => $this->_customdata['cmid'], 'movedown' => $pageid));
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$mform->addElement('html', $OUTPUT->action_icon($url, new pix_icon('t/down', get_string('movedown'))));
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}
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$orientationoptions = array('L' => get_string('landscape', 'customcert'),
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'P' => get_string('portrait', 'customcert'));
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$mform->addElement('select', 'orientation_' . $pageid, get_string('orientation', 'customcert'), $orientationoptions);
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$mform->setDefault('orientation_' . $pageid, 'P');
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$mform->addHelpButton('orientation_' . $pageid, 'orientation', 'customcert');
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$mform->addElement('text', 'width_' . $pageid, get_string('width', 'customcert'));
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$mform->addRule('width_' . $pageid, null, 'required', null, 'client');
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$mform->addHelpButton('width_' . $pageid, 'width', 'customcert');
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$mform->addElement('text', 'height_' . $pageid, get_string('height', 'customcert'));
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$mform->addRule('height_' . $pageid, null, 'required', null, 'client');
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$mform->addHelpButton('height_' . $pageid, 'height', 'customcert');
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$group = array();
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$group[] = $mform->createElement('select', 'element_' . $pageid, '', $elementsavailable);
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$group[] = $mform->createElement('submit', 'addelement_' . $pageid, get_string('addelement', 'customcert'));
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$mform->addElement('group', 'elementgroup', '', $group, '', false);
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// Check if there are elements to add.
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if ($elements = $DB->get_records('customcert_elements', array('pageid' => $pageid), 'id ASC')) {
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// Loop through and add the ones present.
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foreach ($elements as $element) {
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$classfile = "{$CFG->dirroot}/mod/customcert/elements/{$element->element}/lib.php";
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// It's possible this element was added to the database then the folder was deleted, if
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// this is the case we do not want to render these elements as an error will occur.
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if (file_exists($classfile)) {
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// Add the page number to the element so we can use within the element.
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$element->pagenum = $pagenum;
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// Get the classname.
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$classname = "customcert_element_{$element->element}";
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$e = new $classname($element);
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$e->render_form_elements($mform);
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// Add this to the objects array.
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$this->elementobjects[] = $e;
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// Add submit button to delete this.
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$mform->addElement('submit', 'deleteelement_' . $element->id, get_string('delete', 'customcert'));
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}
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}
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}
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// Add option to delete this page if it is not the first page.
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if ($pagenum > 1) {
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$mform->addElement('html', html_writer::start_tag('div', array('class' => 'deletecertpage')));
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$mform->addElement('submit', 'deletecertpage_' . $pageid, get_string('deletecertpage', 'customcert'));
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$mform->addElement('html', html_writer::end_tag('div'));
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}
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}
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}
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