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bc7dacecb6
There is a new method on the column class, for the column to declare any statistics it requires. The question then efficiently loads all those statistics in one go, and makes them available as the columns are rendererd, or do any subsequent processing.
60 lines
2 KiB
PHP
60 lines
2 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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namespace qbank_statistics\columns;
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use core_question\local\bank\column_base;
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/**
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* This columns shows a message about whether this question is OK or needs revision.
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*
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* This is based on the average discrimination index.
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*
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* @package qbank_statistics
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* @copyright 2021 Catalyst IT Australia Pty Ltd
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* @author Nathan Nguyen <nathannguyen@catalyst-au.net>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class discrimination_index extends column_base {
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public function get_title(): string {
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return get_string('discrimination_index', 'qbank_statistics');
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}
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public function help_icon(): ?\help_icon {
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return new \help_icon('discrimination_index', 'qbank_statistics');
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}
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public function get_name(): string {
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return 'discrimination_index';
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}
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public function get_required_statistics_fields(): array {
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return ['discriminationindex'];
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}
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protected function display_content($question, $rowclasses) {
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global $PAGE;
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$discriminationindex = $this->qbank->get_aggregate_statistic($question->id, 'discriminationindex');
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echo $PAGE->get_renderer('qbank_statistics')->render_discrimination_index($discriminationindex);
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}
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public function get_extra_classes(): array {
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return ['pr-3'];
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}
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}
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