Current File : /home/vacivi36/ava/question/bank/statistics/classes/columns/discrimination_index.php
<?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/>.
namespace qbank_statistics\columns;
use core_question\local\bank\column_base;
use qbank_statistics\helper;
/**
* This columns shows a message about whether this question is OK or needs revision.
*
* This is based on the average discrimination index.
*
* @package qbank_statistics
* @copyright 2021 Catalyst IT Australia Pty Ltd
* @author Nathan Nguyen <nathannguyen@catalyst-au.net>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class discrimination_index extends column_base {
/**
* Title for this column.
*
* @return string column title
*/
public function get_title(): string {
return get_string('discrimination_index', 'qbank_statistics');
}
public function help_icon(): ?\help_icon {
return new \help_icon('discrimination_index', 'qbank_statistics');
}
/**
* Column name.
*
* @return string column name
*/
public function get_name(): string {
return 'discrimination_index';
}
/**
* Output the contents of this column.
* @param object $question the row from the $question table, augmented with extra information.
* @param string $rowclasses CSS class names that should be applied to this row of output.
*/
protected function display_content($question, $rowclasses) {
global $PAGE;
// Average discrimination index per quiz.
$discriminationindex = helper::calculate_average_question_discrimination_index($question->id);
echo $PAGE->get_renderer('qbank_statistics')->render_discrimination_index($discriminationindex);
}
public function get_extra_classes(): array {
return ['pr-3'];
}
}
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