285 lines
13 KiB
PHP
285 lines
13 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($CFG->dirroot . '/course/moodleform_mod.php');
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require_once($CFG->dirroot . '/mod/customcert/lib.php');
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require_once($CFG->dirroot . '/mod/customcert/includes/colourpicker.php');
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MoodleQuickForm::registerElementType('customcert_colourpicker',
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$CFG->dirroot . '/mod/customcert/includes/colourpicker.php', 'MoodleQuickForm_customcert_colourpicker');
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/**
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* The form for handling the layout of the customcert instance.
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*
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* @package mod_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 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(false);
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}
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/**
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* Fill in the current page data for this customcert.
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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 customcert.
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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_', '', $key);
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$widthid = 'width_' . $page;
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// Validate that the width is a valid value.
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if ((!isset($data[$widthid])) || (!is_numeric($data[$widthid])) || ($data[$widthid] <= 0)) {
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$errors[$widthid] = get_string('widthnotvalid', 'customcert');
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}
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}
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if (strpos($key, 'height_') !== false) {
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$page = str_replace('height_', '', $key);
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$heightid = 'height_' . $page;
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// Validate that the height is a valid value.
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if ((!isset($data[$heightid])) || (!is_numeric($data[$heightid])) || ($data[$heightid] <= 0)) {
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$errors[$heightid] = get_string('heightnotvalid', 'customcert');
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}
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}
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}
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// Go through each element and perform validation.
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if (!empty($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->setType('width_' . $pageid, PARAM_INT);
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$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->setType('height_' . $pageid, PARAM_INT);
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$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', '', $group, '', false);
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// Add option to delete this page if it is not the first page.
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if ($pagenum > 1) {
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$mform->addElement('html', html_writer::start_tag('div', array('class' => 'deletebutton')));
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$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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// Check that this page is not a newly created one with no data in the database.
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if (!is_null($page)) {
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// Check if there are elements to add.
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if ($elements = $DB->get_records('customcert_elements', array('pageid' => $pageid), 'sequence ASC')) {
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// Get the total number of elements.
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$numelements = count($elements);
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// Loop through and add the ones present.
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foreach ($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($classfile)) {
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// Add element header.
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$mform->addElement('header', 'headerelement_' . $element->id, get_string('page', 'customcert', $pagenum) . " - " .
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get_string('pluginname', 'customcertelement_' . $element->element));
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// We do not need to expand these elements if the modified time is greater than the created time as it
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// means the values have already been altered by the user - ie. the element has not just been created.
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if ($element->timemodified > $element->timecreated) {
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$mform->setExpanded('headerelement_' . $element->id, false);
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} else {
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$mform->setExpanded('headerelement_' . $element->id, true);
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}
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// Only display the move up arrow if it is not the first.
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if ($element->sequence > 1) {
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$url = new moodle_url('/mod/customcert/edit.php', array('cmid' => $this->_customdata['cmid'], 'emoveup' => $element->id));
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$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 ($element->sequence < $numelements) {
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$url = new moodle_url('/mod/customcert/edit.php', array('cmid' => $this->_customdata['cmid'], 'emovedown' => $element->id));
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$mform->addElement('html', $OUTPUT->action_icon($url, new pix_icon('t/down', get_string('movedown'))));
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}
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// 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('html', html_writer::start_tag('div', array('class' => 'deletebutton')));
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$mform->addElement('submit', 'deleteelement_' . $element->id, get_string('deleteelement', 'customcert'));
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$mform->addElement('html', html_writer::end_tag('div'));
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}
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}
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}
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}
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}
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}
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