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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/>.
/**
* Renderer for outputting parts of a question belonging to the legacy
* adaptive behaviour.
*
* @package qbehaviour
* @subpackage adaptive
* @copyright 2009 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Renderer for outputting parts of a question belonging to the legacy
* adaptive behaviour.
*
* @copyright 2009 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class qbehaviour_adaptive_renderer extends qbehaviour_renderer {
public function controls(question_attempt $qa, question_display_options $options) {
return $this->submit_button($qa, $options);
}
public function feedback(question_attempt $qa, question_display_options $options) {
// Try to find the last graded step.
$gradedstep = $qa->get_behaviour()->get_graded_step($qa);
if (is_null($gradedstep) || $qa->get_max_mark() == 0 ||
$options->marks < question_display_options::MARK_AND_MAX) {
return '';
}
// Display the grading details from the last graded state
$mark = new stdClass();
$mark->max = $qa->format_max_mark($options->markdp);
$actualmark = $gradedstep->get_fraction() * $qa->get_max_mark();
$mark->cur = format_float($actualmark, $options->markdp);
$rawmark = $gradedstep->get_behaviour_var('_rawfraction') * $qa->get_max_mark();
$mark->raw = format_float($rawmark, $options->markdp);
// let student know wether the answer was correct
if ($qa->get_state()->is_commented()) {
$class = $qa->get_state()->get_feedback_class();
} else {
$class = question_state::graded_state_for_fraction(
$gradedstep->get_behaviour_var('_rawfraction'))->get_feedback_class();
}
$gradingdetails = get_string('gradingdetails', 'qbehaviour_adaptive', $mark);
$gradingdetails .= $this->penalty_info($qa, $mark, $options);
$output = '';
$output .= html_writer::tag('div', get_string($class, 'question'),
array('class' => 'correctness ' . $class));
$output .= html_writer::tag('div', $gradingdetails,
array('class' => 'gradingdetails'));
return $output;
}
/**
* Display the information about the penalty calculations.
* @param question_attempt $qa the question attempt.
* @param object $mark contains information about the current mark.
* @param question_display_options $options display options.
*/
protected function penalty_info(question_attempt $qa, $mark,
question_display_options $options) {
$currentpenalty = $qa->get_question()->penalty * $qa->get_max_mark();
$totalpenalty = $currentpenalty * $qa->get_last_behaviour_var('_try', 0);
if ($currentpenalty == 0) {
return '';
}
$output = '';
// Print details of grade adjustment due to penalties
if ($mark->raw != $mark->cur) {
$output .= ' ' . get_string('gradingdetailsadjustment', 'qbehaviour_adaptive', $mark);
}
// Print information about any new penalty, only relevant if the answer can be improved.
if ($qa->get_behaviour()->is_state_improvable($qa->get_state())) {
$output .= ' ' . get_string('gradingdetailspenalty', 'qbehaviour_adaptive',
format_float($currentpenalty, $options->markdp));
// Print information about total penalties so far, if larger than current penalty.
if ($totalpenalty > $currentpenalty) {
$output .= ' ' . get_string('gradingdetailspenaltytotal', 'qbehaviour_adaptive',
format_float($totalpenalty, $options->markdp));
}
}
return $output;
}
}
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