function definition()
 {
     global $DB, $COURSE;
     $mform =& $this->_form;
     $mform->addElement('header', 'displayinfo', get_string('unlocksystemaddheading', 'block_game_content_unlock'));
     $eventsarray = content_unlock_generate_events_list();
     $mform->addElement('select', 'event', 'Evento', $eventsarray, null);
     $mform->addRule('event', null, 'required', null, 'client');
     $mform->setType('event', PARAM_TEXT);
     $mform->addElement('text', 'description', 'Descrição');
     $mform->setType('description', PARAM_TEXT);
     $coursemodulessarray = array();
     $course = $DB->get_record('course', array('id' => $this->courseid));
     $info = get_fast_modinfo($course);
     foreach ($info->cms as $cm) {
         $coursemodulessarray[$cm->id] = $cm->name;
     }
     $mform->addElement('select', 'coursemodule', 'Módulo', $coursemodulessarray, null);
     $mform->addRule('coursemodule', null, 'required', null, 'client');
     $mform->setType('coursemodule', PARAM_INT);
     $mform->addElement('select', 'mode', 'Modo', array(0 => 'Por visibilidade', 1 => 'Por grupo'), null);
     $mform->addRule('mode', null, 'required', null, 'client');
     $mform->setType('mode', PARAM_INT);
     $mform->addElement('html', '<hr></hr>');
     $mform->addElement('select', 'coursemodulevisibility', 'Visibilidade', array(0 => 'Ocultar', 1 => 'Mostrar'), null);
     $mform->setType('coursemodulevisibility', PARAM_INT);
     $mform->disabledIf('coursemodulevisibility', 'mode', 'neq', 0);
     $mform->addElement('hidden', 'blockid');
     $mform->setType('blockid', PARAM_INT);
     $mform->addElement('hidden', 'courseid');
     $mform->setType('courseid', PARAM_INT);
     $this->add_action_buttons(true, 'Adicionar');
 }
 public function get_content()
 {
     global $DB, $USER;
     $this->content = new stdClass();
     $this->content->text = '';
     $this->content->footer = '';
     if (user_has_role_assignment($USER->id, 5)) {
         $eventsarray = content_unlock_generate_events_list();
         $us = $DB->get_records('content_unlock_system', array('deleted' => 0, 'blockinstanceid' => $this->instance->id));
         if (!empty($us)) {
             $unlocklist = '';
             $course = $DB->get_record('course', array('id' => $this->page->course->id));
             $info = get_fast_modinfo($course);
             foreach ($us as $unlocksystem) {
                 $sql = "SELECT *\n\t\t\t\t\t\t\tFROM {content_unlock_log} c\n\t\t\t\t\t\t\t\tINNER JOIN {logstore_standard_log} l ON c.logid = l.id\n\t\t\t\t\t\t\tWHERE l.userid = :userid\n\t\t\t\t\t\t\t\tAND c.unlocksystemid = :unlocksystemid";
                 $params['userid'] = $USER->id;
                 $params['unlocksystemid'] = $unlocksystem->id;
                 $unlocked_content = $DB->record_exists_sql($sql, $params);
                 if ($unlocked_content) {
                     continue;
                 }
                 $ccm = get_course_and_cm_from_cmid($unlocksystem->coursemoduleid);
                 if ($this->page->course->id != $ccm[0]->id) {
                     continue;
                 }
                 if (!(content_unlock_satisfies_conditions($unlocksystem->restrictions, $this->page->course->id, $USER->id) && (in_array($unlocksystem->conditions, self::$resource_events) || content_unlock_satisfies_block_conditions($unlocksystem, $this->page->course->id, $USER->id)))) {
                     continue;
                 }
                 $cm = $info->get_cm($unlocksystem->coursemoduleid);
                 $eventdescription = is_null($unlocksystem->eventdescription) ? $eventsarray[$unlocksystem->conditions] : $unlocksystem->eventdescription;
                 $unlocklist = $unlocklist . '<li>' . $cm->name . ' (' . get_string('modulename', $cm->modname) . ') por ' . (in_array($unlocksystem->conditions, self::$resource_events) ? content_unlock_get_block_conditions_text($unlocksystem) : $eventdescription) . '</li>';
             }
             if (strlen($unlocklist) > 0) {
                 $this->content->text = '<p>Você pode desbloquear:<ul>' . $unlocklist . '</ul></p>';
             }
         }
         if (isset($this->config)) {
             $lastunlocksnumber = isset($this->config->lastunlocksnumber) ? $this->config->lastunlocksnumber : 1;
         } else {
             $lastunlocksnumber = 0;
         }
         if ($lastunlocksnumber > 0) {
             $sql = "SELECT c.id as id, s.coursemoduleid as coursemoduleid, s.eventdescription as eventdescription, s.conditions as conditions, s.connective as connective\n\t\t\t\t\tFROM\n\t\t\t\t\t\t{content_unlock_log} c\n\t\t\t\t\tINNER JOIN {logstore_standard_log} l ON c.logid = l.id\n\t\t\t\t\tINNER JOIN {content_unlock_system} s ON c.unlocksystemid = s.id\n\t\t\t\t\tWHERE l.userid = :userid\n\t\t\t\t\t\tAND l.courseid = :courseid\n\t\t\t\t\t\tAND s.blockinstanceid = :blockinstanceid\n\t\t\t\t\tORDER BY c.id DESC";
             $params['userid'] = $USER->id;
             $params['courseid'] = $this->page->course->id;
             $params['blockinstanceid'] = $this->instance->id;
             $lastunlocks = $DB->get_records_sql($sql, $params, 0, $lastunlocksnumber);
             if (!empty($lastunlocks)) {
                 $lastunlockslist = '';
                 foreach ($lastunlocks as $lu) {
                     $ccm = get_course_and_cm_from_cmid($lu->coursemoduleid);
                     $course = $DB->get_record('course', array('id' => $ccm[0]->id));
                     $info = get_fast_modinfo($course);
                     $cm = $info->get_cm($lu->coursemoduleid);
                     $eventdescription = is_null($lu->eventdescription) ? $eventsarray[$lu->conditions] : $lu->eventdescription;
                     $lastunlockslist = $lastunlockslist . '<li>' . $cm->name . ' (' . get_string('modulename', $cm->modname) . ') por ' . (in_array($lu->conditions, self::$resource_events) ? content_unlock_get_block_conditions_text($lu) : $eventdescription) . '</li>';
                 }
                 $this->content->text = $this->content->text . '<p>Você desbloqueou recentemente:<ul>' . $lastunlockslist . '</ul></p>';
             }
         }
     }
     return $this->content;
 }