294 lines
13 KiB
PHP
294 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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namespace mod_customcert;
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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/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 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 edit_form extends \moodleform {
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/**
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* The id of the template being used.
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*/
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protected $tid = 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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protected $numpages = 1;
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/**
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* Form definition.
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*/
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public function definition() {
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global $DB;
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$mform =& $this->_form;
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$mform->addElement('text', 'name', get_string('name', 'customcert'));
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$mform->setType('name', PARAM_TEXT);
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$mform->addRule('name', null, 'required');
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// Get the number of pages for this module.
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if (isset($this->_customdata['tid'])) {
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$this->tid = $this->_customdata['tid'];
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if ($pages = $DB->get_records('customcert_pages', array('templateid' => $this->tid), 'sequence')) {
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$this->numpages = count($pages);
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foreach ($pages as $p) {
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$this->add_customcert_page_elements($p);
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}
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}
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} else { // Add a new template.
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// Create a 'fake' page to display the elements on - not yet saved in the DB.
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$page = new \stdClass();
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$page->id = 0;
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$page->sequence = 1;
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$this->add_customcert_page_elements($page);
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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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$mform->closeHeaderBefore('submitbtn');
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// Add the submit buttons.
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$group = array();
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$group[] = $mform->createElement('submit', 'submitbtn', get_string('savechanges'));
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$group[] = $mform->createElement('submit', 'previewbtn', get_string('savechangespreview', 'customcert'));
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$mform->addElement('group', 'submitbtngroup', '', $group, '', false);
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$mform->addElement('hidden', 'tid');
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$mform->setType('tid', PARAM_INT);
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$mform->setDefault('tid', $this->tid);
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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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public function definition_after_data() {
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global $DB;
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$mform = $this->_form;
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// Check that we are updating a current customcert.
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if ($this->tid) {
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// Get the pages for this customcert.
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if ($pages = $DB->get_records('customcert_pages', array('templateid' => $this->tid))) {
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// Loop through the pages.
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foreach ($pages as $p) {
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// Set the width.
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$element = $mform->getElement('pagewidth_' . $p->id);
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$element->setValue($p->width);
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// Set the height.
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$element = $mform->getElement('pageheight_' . $p->id);
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$element->setValue($p->height);
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// Set the left margin.
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$element = $mform->getElement('pageleftmargin_' . $p->id);
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$element->setValue($p->leftmargin);
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// Set the right margin.
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$element = $mform->getElement('pagerightmargin_' . $p->id);
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$element->setValue($p->rightmargin);
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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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global $DB;
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$errors = parent::validation($data, $files);
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// Check that the template name does not already exist for another template.
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if ($template = $DB->get_record('customcert_templates', array('name' => $data['name']))) {
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if (empty($data['tid']) || $template->id != $data['tid']) {
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$errors['name'] = get_string('customcertnameexists', 'customcert');
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}
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}
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// Go through the data and check any width, height or margin values.
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foreach ($data as $key => $value) {
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if (strpos($key, 'pagewidth_') !== false) {
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$page = str_replace('pagewidth_', '', $key);
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$widthid = 'pagewidth_' . $page;
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// Validate that the width is a valid value.
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if ((!isset($data[$widthid])) || (!is_numeric($data[$widthid])) || ($data[$widthid] <= 0)) {
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$errors[$widthid] = get_string('invalidwidth', 'customcert');
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}
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}
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if (strpos($key, 'pageheight_') !== false) {
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$page = str_replace('pageheight_', '', $key);
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$heightid = 'pageheight_' . $page;
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// Validate that the height is a valid value.
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if ((!isset($data[$heightid])) || (!is_numeric($data[$heightid])) || ($data[$heightid] <= 0)) {
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$errors[$heightid] = get_string('invalidheight', 'customcert');
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}
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}
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if (strpos($key, 'pageleftmargin_') !== false) {
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// Validate that the left margin is a valid value.
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if (isset($data[$key]) && ($data[$key] < 0)) {
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$errors[$key] = get_string('invalidmargin', 'customcert');
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}
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}
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if (strpos($key, 'pagerightmargin_') !== false) {
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// Validate that the right margin is a valid value.
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if (isset($data[$key]) && ($data[$key] < 0)) {
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$errors[$key] = get_string('invalidmargin', 'customcert');
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}
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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 $page the customcert page
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*/
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protected function add_customcert_page_elements($page) {
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global $DB, $OUTPUT;
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// Create the form object.
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$mform =& $this->_form;
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if ($this->numpages > 1) {
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$mform->addElement('header', 'page_' . $page->id, get_string('page', 'customcert', $page->sequence));
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}
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$editlink = '/mod/customcert/edit.php';
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$editlinkparams = array('tid' => $this->tid);
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$editelementlink = '/mod/customcert/edit_element.php';
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$editelementlinkparams = array('tid' => $this->tid);
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// Place the ordering arrows.
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// Only display the move up arrow if it is not the first.
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if ($page->sequence > 1) {
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$url = new \moodle_url($editlink, $editlinkparams + array('action' => 'pmoveup', 'aid' => $page->id));
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$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 ($page->sequence < $this->numpages) {
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$url = new \moodle_url($editlink, $editlinkparams + array('action' => 'pmovedown', 'aid' => $page->id));
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$mform->addElement('html', $OUTPUT->action_icon($url, new \pix_icon('t/down', get_string('movedown'))));
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}
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$mform->addElement('text', 'pagewidth_' . $page->id, get_string('width', 'customcert'));
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$mform->setType('pagewidth_' . $page->id, PARAM_INT);
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$mform->setDefault('pagewidth_' . $page->id, '210');
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$mform->addRule('pagewidth_' . $page->id, null, 'required', null, 'client');
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$mform->addHelpButton('pagewidth_' . $page->id, 'width', 'customcert');
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$mform->addElement('text', 'pageheight_' . $page->id, get_string('height', 'customcert'));
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$mform->setType('pageheight_' . $page->id, PARAM_INT);
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$mform->setDefault('pageheight_' . $page->id, '297');
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$mform->addRule('pageheight_' . $page->id, null, 'required', null, 'client');
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$mform->addHelpButton('pageheight_' . $page->id, 'height', 'customcert');
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$mform->addElement('text', 'pageleftmargin_' . $page->id, get_string('leftmargin', 'customcert'));
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$mform->setType('pageleftmargin_' . $page->id, PARAM_INT);
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$mform->setDefault('pageleftmargin_' . $page->id, 0);
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$mform->addHelpButton('pageleftmargin_' . $page->id, 'leftmargin', 'customcert');
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$mform->addElement('text', 'pagerightmargin_' . $page->id, get_string('rightmargin', 'customcert'));
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$mform->setType('pagerightmargin_' . $page->id, PARAM_INT);
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$mform->setDefault('pagerightmargin_' . $page->id, 0);
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$mform->addHelpButton('pagerightmargin_' . $page->id, 'rightmargin', 'customcert');
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$group = array();
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$group[] = $mform->createElement('select', 'element_' . $page->id, '', element::get_available_types());
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$group[] = $mform->createElement('submit', 'addelement_' . $page->id, get_string('addelement', 'customcert'));
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$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' => $page->id), 'sequence ASC')) {
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// Get the total number of elements.
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$numelements = count($elements);
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// Create a table to display these elements.
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$table = new \html_table();
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$table->head = array(get_string('name', 'customcert'), get_string('type', 'customcert'), '');
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$table->align = array('left', 'left', 'left');
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// Loop through and add the elements to the table.
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foreach ($elements as $element) {
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$row = new \html_table_row();
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$row->cells[] = $element->name;
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$row->cells[] = $element->element;
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// Link to edit this element.
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$link = new \moodle_url($editelementlink, $editelementlinkparams + array('id' => $element->id,
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'action' => 'edit'));
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$icons = $OUTPUT->action_icon($link, new \pix_icon('t/edit', get_string('edit')));
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// Link to delete the element.
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$link = new \moodle_url($editlink, $editlinkparams + array('action' => 'deleteelement',
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'aid' => $element->id));
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$icons .= $OUTPUT->action_icon($link, new \pix_icon('t/delete', get_string('delete')));
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// Now display any moving arrows if they are needed.
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if ($numelements > 1) {
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// Only display the move up arrow if it is not the first.
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$moveicons = '';
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if ($element->sequence > 1) {
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$url = new \moodle_url($editlink, $editlinkparams + array('action' => 'emoveup',
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'aid' => $element->id));
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$moveicons .= $OUTPUT->action_icon($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($editlink, $editlinkparams + array('action' => 'emovedown',
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'aid' => $element->id));
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$moveicons .= $OUTPUT->action_icon($url, new \pix_icon('t/down', get_string('movedown')));
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}
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$icons .= $moveicons;
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}
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$row->cells[] = $icons;
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$table->data[] = $row;
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}
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// Create link to order the elements.
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$link = \html_writer::link(new \moodle_url('/mod/customcert/rearrange.php', array('pid' => $page->id)),
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get_string('rearrangeelements', 'customcert'));
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// Add the table to the form.
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$mform->addElement('static', 'elements_' . $page->id, get_string('elements', 'customcert'), \html_writer::table($table)
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. \html_writer::tag( 'div', $link, array('style' => 'text-align:right')));
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$mform->addHelpButton('elements_' . $page->id, 'elements', 'customcert');
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}
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// Add option to delete this page if there is more than one page.
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if ($this->numpages > 1) {
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// Link to delete the element.
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$deletelink = new \moodle_url($editlink, $editlinkparams + array('action' => 'deletepage', 'aid' => $page->id));
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$deletelink = \html_writer::tag('a', get_string('deletecertpage', 'customcert'), array('href' => $deletelink->out(false), 'class' => 'deletebutton'));
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$mform->addElement('html', \html_writer::tag('div', $deletelink, array('class' => 'deletebutton')));
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}
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}
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}
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