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behaviour.php
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behaviour.php
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<?php
// This file is part of 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/>.
/**
* Question behaviour for the case when the student's answer is just
* saved until they submit the whole attempt, and then it is graded.
*
* @package qbehaviour
* @subpackage deferredfeedback
* @copyright 2009 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Question behaviour for deferred feedback.
*
* The student enters their response during the attempt, and it is saved. Later,
* when the whole attempt is finished, their answer is graded.
*
* @copyright 2009 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class qbehaviour_deferredfeedback extends question_behaviour_with_save {
const IS_ARCHETYPAL = true;
public function required_question_definition_type() {
return 'question_automatically_gradable';
}
public static function get_unused_display_options() {
return array('correctness', 'marks', 'specificfeedback', 'generalfeedback',
'rightanswer');
}
public function get_min_fraction() {
return $this->question->get_min_fraction();
}
public function get_right_answer_summary() {
return $this->question->get_right_answer_summary();
}
public function process_action(question_attempt_pending_step $pendingstep) {
if ($pendingstep->has_behaviour_var('comment')) {
return $this->process_comment($pendingstep);
} else if ($pendingstep->has_behaviour_var('finish')) {
return $this->process_finish($pendingstep);
} else {
return $this->process_save($pendingstep);
}
}
/*
* Like the parent method, except that when a respones is gradable, but not
* completely, we move it to the invalid state.
*
* TODO refactor, to remove the duplication.
*/
public function process_save(question_attempt_pending_step $pendingstep) {
if ($this->qa->get_state()->is_finished()) {
return question_attempt::DISCARD;
} else if (!$this->qa->get_state()->is_active()) {
throw new coding_exception('Question is not active, cannot process_actions.');
}
if ($this->is_same_response($pendingstep)) {
return question_attempt::DISCARD;
}
if ($this->is_complete_response($pendingstep)) {
$pendingstep->set_state(question_state::$complete);
} else if ($this->question->is_gradable_response($pendingstep->get_qt_data())) {
$pendingstep->set_state(question_state::$invalid);
} else {
$pendingstep->set_state(question_state::$todo);
}
return question_attempt::KEEP;
}
public function summarise_action(question_attempt_step $step) {
if ($step->has_behaviour_var('comment')) {
return $this->summarise_manual_comment($step);
} else if ($step->has_behaviour_var('finish')) {
return $this->summarise_finish($step);
} else {
return $this->summarise_save($step);
}
}
public function process_finish(question_attempt_pending_step $pendingstep) {
if ($this->qa->get_state()->is_finished()) {
return question_attempt::DISCARD;
}
$response = $this->qa->get_last_step()->get_qt_data();
if (!$this->question->is_gradable_response($response)) {
$pendingstep->set_state(question_state::$gaveup);
} else {
list($fraction, $state) = $this->question->grade_response($response);
$pendingstep->set_fraction($fraction);
$pendingstep->set_state($state);
}
$pendingstep->set_new_response_summary($this->question->summarise_response($response));
return question_attempt::KEEP;
}
}