moodle-local_mycerts/mod_form.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/>.
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/**
* This file contains the instance add/edit form.
*
* @package mod_customcert
* @copyright 2013 Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
require_once($CFG->dirroot.'/course/moodleform_mod.php');
/**
* Instance add/edit form.
*
* @package mod_customcert
* @copyright 2013 Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class mod_customcert_mod_form extends moodleform_mod {
/**
* Form definition.
*/
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public function definition() {
global $CFG;
$mform =& $this->_form;
$mform->addElement('header', 'general', get_string('general', 'form'));
$mform->addElement('text', 'name', get_string('name', 'customcert'), array('size' => '64'));
if (!empty($CFG->formatstringstriptags)) {
$mform->setType('name', PARAM_TEXT);
} else {
$mform->setType('name', PARAM_CLEANHTML);
}
$mform->addRule('name', null, 'required', null, 'client');
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$this->standard_intro_elements(get_string('description', 'customcert'));
$optionsheader = $mform->createElement('header', 'options', get_string('options', 'customcert'));
if (has_capability('mod/customcert:manageemailstudents', $this->get_context())) {
$mform->addElement('selectyesno', 'emailstudents', get_string('emailstudents', 'customcert'));
$mform->setDefault('emailstudents', get_config('customcert', 'emailstudents'));
$mform->addHelpButton('emailstudents', 'emailstudents', 'customcert');
$mform->setType('emailstudents', PARAM_INT);
$firstoption = 'emailstudents';
}
if (has_capability('mod/customcert:manageemailteachers', $this->get_context())) {
$mform->addElement('selectyesno', 'emailteachers', get_string('emailteachers', 'customcert'));
$mform->setDefault('emailteachers', get_config('customcert', 'emailteachers'));
$mform->addHelpButton('emailteachers', 'emailteachers', 'customcert');
$mform->setType('emailteachers', PARAM_INT);
$firstoption = empty($firstoption) ? 'emailteachers' : $firstoption;
}
if (has_capability('mod/customcert:manageemailothers', $this->get_context())) {
$mform->addElement('text', 'emailothers', get_string('emailothers', 'customcert'), array('size' => '40'));
$mform->addHelpButton('emailothers', 'emailothers', 'customcert');
$mform->setDefault('emailothers', get_config('customcert', 'emailothers'));
$mform->setType('emailothers', PARAM_TEXT);
$firstoption = empty($firstoption) ? 'emailothers' : $firstoption;
}
if (has_capability('mod/customcert:manageverifyany', $this->get_context())) {
$mform->addElement('selectyesno', 'verifyany', get_string('verifycertificateanyone', 'customcert'));
$mform->addHelpButton('verifyany', 'verifycertificateanyone', 'customcert');
$mform->setDefault('verifyany', get_config('customcert', 'verifyany'));
$mform->setType('verifyany', PARAM_INT);
$firstoption = empty($firstoption) ? 'verifyany' : $firstoption;
}
if (has_capability('mod/customcert:managerequiredtime', $this->get_context())) {
$mform->addElement('text', 'requiredtime', get_string('coursetimereq', 'customcert'), array('size' => '3'));
$mform->addHelpButton('requiredtime', 'coursetimereq', 'customcert');
$mform->setDefault('requiredtime', get_config('customcert', 'requiredtime'));
$mform->setType('requiredtime', PARAM_INT);
$firstoption = empty($firstoption) ? 'requiredtime' : $firstoption;
}
if (has_capability('mod/customcert:manageprotection', $this->get_context())) {
$mform->addElement('checkbox', 'protection_print', get_string('setprotection', 'customcert'),
get_string('print', 'customcert'));
$mform->addElement('checkbox', 'protection_modify', '', get_string('modify', 'customcert'));
$mform->addElement('checkbox', 'protection_copy', '', get_string('copy', 'customcert'));
$mform->addHelpButton('protection_print', 'setprotection', 'customcert');
$mform->setType('protection_print', PARAM_BOOL);
$mform->setType('protection_modify', PARAM_BOOL);
$mform->setType('protection_copy', PARAM_BOOL);
$firstoption = empty($firstoption) ? 'protection_print' : $firstoption;
}
if (!empty($firstoption)) {
$mform->insertElementBefore($optionsheader, $firstoption);
}
$this->standard_coursemodule_elements();
$this->add_action_buttons();
}
/**
* Any data processing needed before the form is displayed.
*
* @param array $defaultvalues
*/
public function data_preprocessing(&$defaultvalues) {
// Set the values in the form to what has been set in database if updating
// or set default configured values if creating.
if (!empty($defaultvalues['update'])) {
if (!empty($defaultvalues['protection'])) {
$protection = $this->build_protection_data($defaultvalues['protection']);
$defaultvalues['protection_print'] = $protection->protection_print;
$defaultvalues['protection_modify'] = $protection->protection_modify;
$defaultvalues['protection_copy'] = $protection->protection_copy;
}
} else {
$defaultvalues['protection_print'] = get_config('customcert', 'protection_print');
$defaultvalues['protection_modify'] = get_config('customcert', 'protection_modify');
$defaultvalues['protection_copy'] = get_config('customcert', 'protection_copy');
}
}
/**
* Post process form data.
*
* @param \stdClass $data
*
* @throws \dml_exception
*/
public function data_postprocessing($data) {
global $DB;
parent::data_postprocessing($data);
// If creating a new activity.
if (!empty($data->add)) {
foreach ($this->get_options_elements_with_required_caps() as $name => $capability) {
if (!isset($data->$name) && !has_capability($capability, $this->get_context())) {
$data->$name = get_config('customcert', $name);
}
}
} else {
// If updating, but a user can't manage protection, then get data from database.
if (!has_capability('mod/customcert:manageprotection', $this->get_context())) {
$customcert = $DB->get_record('customcert', array('id' => $data->instance));
$protection = $this->build_protection_data($customcert->protection);
$data->protection_print = $protection->protection_print;
$data->protection_modify = $protection->protection_modify;
$data->protection_copy = $protection->protection_copy;
}
}
}
/**
* Some basic validation.
*
* @param array $data
* @param array $files
* @return array the errors that were found
*/
public function validation($data, $files) {
$errors = parent::validation($data, $files);
// Check that the required time entered is valid if it was entered at all.
if (!empty($data['requiredtime'])) {
if ((!is_number($data['requiredtime']) || $data['requiredtime'] < 0)) {
$errors['requiredtime'] = get_string('requiredtimenotvalid', 'customcert');
}
}
return $errors;
}
/**
* Get a list of all options form elements with required capabilities for managing each element.
*
* @return array
*/
protected function get_options_elements_with_required_caps() {
return [
'emailstudents' => 'mod/customcert:manageemailstudents',
'emailteachers' => 'mod/customcert:manageemailteachers',
'emailothers' => 'mod/customcert:manageemailothers',
'verifyany' => 'mod/customcert:manageverifyany',
'requiredtime' => 'mod/customcert:managerequiredtime',
'protection_print' => 'mod/customcert:manageprotection',
'protection_modify' => 'mod/customcert:manageprotection',
'protection_copy' => 'mod/customcert:manageprotection'
];
}
/**
* Build a protection data to be able to set to the form.
*
* @param string $protection Protection sting from database.
*
* @return \stdClass
*/
protected function build_protection_data($protection) {
$data = new stdClass();
$data->protection_print = 0;
$data->protection_modify = 0;
$data->protection_copy = 0;
$protection = explode(', ', $protection);
if (in_array(\mod_customcert\certificate::PROTECTION_PRINT, $protection)) {
$data->protection_print = 1;
}
if (in_array(\mod_customcert\certificate::PROTECTION_MODIFY, $protection)) {
$data->protection_modify = 1;
}
if (in_array(\mod_customcert\certificate::PROTECTION_COPY, $protection)) {
$data->protection_copy = 1;
}
return $data;
}
}