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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/>.
/**
* Essay question definition class.
*
* @package qtype
* @subpackage essay
* @copyright 2009 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Represents an essay question.
*
* @copyright 2009 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class qtype_essay_question extends question_with_responses {
public $responseformat;
public $responsefieldlines;
public $attachments;
public $graderinfo;
public $graderinfoformat;
public function make_behaviour(question_attempt $qa, $preferredbehaviour) {
question_engine::load_behaviour_class('manualgraded');
return new qbehaviour_manualgraded($qa, $preferredbehaviour);
}
/**
* @param moodle_page the page we are outputting to.
* @return qtype_essay_format_renderer_base the response-format-specific renderer.
*/
public function get_format_renderer(moodle_page $page) {
return $page->get_renderer('qtype_essay', 'format_' . $this->responseformat);
}
public function get_expected_data() {
if ($this->responseformat == 'editorfilepicker') {
$expecteddata = array('answer' => question_attempt::PARAM_CLEANHTML_FILES);
} else if ($this->responseformat == 'editor') {
$expecteddata = array('answer' => PARAM_CLEANHTML);
} else {
$expecteddata = array('answer' => PARAM_RAW);
}
$expecteddata['answerformat'] = PARAM_FORMAT;
if ($this->attachments != 0) {
$expecteddata['attachments'] = question_attempt::PARAM_FILES;
}
return $expecteddata;
}
public function summarise_response(array $response) {
if (isset($response['answer'])) {
$formatoptions = new stdClass();
$formatoptions->para = false;
return html_to_text(format_text(
$response['answer'], FORMAT_HTML, $formatoptions), 0, false);
} else {
return null;
}
}
public function get_correct_response() {
return null;
}
public function is_complete_response(array $response) {
return !empty($response['answer']);
}
public function is_same_response(array $prevresponse, array $newresponse) {
return question_utils::arrays_same_at_key_missing_is_blank(
$prevresponse, $newresponse, 'answer') && ($this->attachments == 0 ||
question_utils::arrays_same_at_key_missing_is_blank(
$prevresponse, $newresponse, 'attachments'));
}
public function check_file_access($qa, $options, $component, $filearea, $args, $forcedownload) {
if ($component == 'question' && $filearea == 'response_attachments') {
// Response attachments visible if the question has them.
return $this->attachments != 0;
} else if ($component == 'question' && $filearea == 'response_answer') {
// Response attachments visible if the question has them.
return $this->responseformat === 'editorfilepicker';
} else if ($component == 'qtype_essay' && $filearea == 'graderinfo') {
return $options->manualcomment;
} else {
return parent::check_file_access($qa, $options, $component,
$filearea, $args, $forcedownload);
}
}
}
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