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Previously, for the overall grade, we averaged the final marks for each student; while for the individual question grades, we averaged all grades. The report now works consistently on the principle that the averages should include exactly what is currenlty being shown in the report. This is more logical, and so should be easier for users to understand. If you want to see the averages that are currently shown (e.g. just the average of each student's highers grade) then the report options let you do that.
132 lines
4.3 KiB
PHP
132 lines
4.3 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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/**
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* This file defines the quiz responses report class.
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*
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* @package quiz
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* @subpackage responses
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* @copyright 2008 Jean-Michel Vedrine
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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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defined('MOODLE_INTERNAL') || die();
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/**
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* This is a table subclass for displaying the quiz responses report.
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*
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* @copyright 2008 Jean-Michel Vedrine
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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 quiz_report_responses_table extends quiz_attempt_report_table {
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public function __construct($quiz, $context, $qmsubselect, $qmfilter,
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$attemptsmode, $groupstudents, $students,
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$questions, $includecheckboxes, $reporturl, $displayoptions) {
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parent::__construct('mod-quiz-report-responses-report', $quiz, $context,
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$qmsubselect, $qmfilter, $attemptsmode, $groupstudents, $students,
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$questions, $includecheckboxes, $reporturl, $displayoptions);
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}
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public function build_table() {
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if ($this->rawdata) {
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$this->strtimeformat = str_replace(',', ' ', get_string('strftimedatetime'));
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parent::build_table();
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}
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}
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public function col_sumgrades($attempt) {
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if (!$attempt->timefinish) {
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return '-';
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}
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$grade = quiz_rescale_grade($attempt->sumgrades, $this->quiz);
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if ($this->is_downloading()) {
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return $grade;
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}
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$gradehtml = '<a href="review.php?q=' . $this->quiz->id . '&attempt=' .
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$attempt->attempt . '">' . $grade . '</a>';
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return $gradehtml;
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}
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public function data_col($slot, $field, $attempt) {
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global $CFG;
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if ($attempt->usageid == 0) {
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return '-';
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}
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$question = $this->questions[$slot];
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if (!isset($this->lateststeps[$attempt->usageid][$slot])) {
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return '-';
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}
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$stepdata = $this->lateststeps[$attempt->usageid][$slot];
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if (is_null($stepdata->$field)) {
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$summary = '-';
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} else {
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$summary = trim($stepdata->$field);
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}
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if ($this->is_downloading() || $field != 'responsesummary') {
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return $summary;
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}
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return $this->make_review_link($summary, $attempt, $slot);
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}
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public function other_cols($colname, $attempt) {
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if (preg_match('/^question(\d+)$/', $colname, $matches)) {
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return $this->data_col($matches[1], 'questionsummary', $attempt);
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} else if (preg_match('/^response(\d+)$/', $colname, $matches)) {
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return $this->data_col($matches[1], 'responsesummary', $attempt);
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} else if (preg_match('/^right(\d+)$/', $colname, $matches)) {
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return $this->data_col($matches[1], 'rightanswer', $attempt);
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} else {
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return null;
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}
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}
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protected function requires_latest_steps_loaded() {
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return true;
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}
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protected function is_latest_step_column($column) {
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if (preg_match('/^(?:question|response|right)([0-9]+)/', $column, $matches)) {
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return $matches[1];
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}
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return false;
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}
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/**
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* Get any fields that might be needed when sorting on date for a particular slot.
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* @param int $slot the slot for the column we want.
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* @param string $alias the table alias for latest state information relating to that slot.
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*/
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protected function get_required_latest_state_fields($slot, $alias) {
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return "$alias.questionsummary AS question$slot,
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$alias.rightanswer AS right$slot,
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$alias.responsesummary AS response$slot";
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}
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}
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