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<?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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use mod_quiz\local\reports\attempts_report_table;
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use mod_quiz\quiz_attempt;
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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_last_responses_table extends attempts_report_table {
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/**
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* Constructor
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* @param stdClass $quiz
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* @param context $context
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* @param string $qmsubselect
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* @param quiz_responses_options $options
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* @param \core\dml\sql_join $groupstudentsjoins
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* @param \core\dml\sql_join $studentsjoins
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* @param array $questions
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* @param moodle_url $reporturl
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*/
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public function __construct($quiz, $context, $qmsubselect, quiz_responses_options $options,
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\core\dml\sql_join $groupstudentsjoins, \core\dml\sql_join $studentsjoins, $questions, $reporturl) {
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parent::__construct('mod-quiz-report-responses-report', $quiz, $context,
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$qmsubselect, $options, $groupstudentsjoins, $studentsjoins, $questions, $reporturl);
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}
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public function build_table() {
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if (!$this->rawdata) {
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return;
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}
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$this->strtimeformat = str_replace(',', ' ', get_string('strftimedatetime'));
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parent::build_table();
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}
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public function col_sumgrades($attempt) {
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if ($attempt->state != quiz_attempt::FINISHED) {
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return '-';
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}
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$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, $attempt) {
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if ($attempt->usageid == 0) {
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return '-';
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}
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$value = $this->field_from_extra_data($attempt, $slot, $field);
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if (is_null($value)) {
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$summary = '-';
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} else {
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$summary = trim($value);
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}
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if ($this->is_downloading() && $this->is_downloading() != 'html') {
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return $summary;
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}
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$summary = s($summary);
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if ($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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/**
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* Column text from the extra data loaded in load_extra_data(), before html formatting etc.
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*
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* @param stdClass $attempt
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* @param int $slot
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* @param string $field
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* @return string
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*/
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protected function field_from_extra_data($attempt, $slot, $field) {
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if (!isset($this->lateststeps[$attempt->usageid][$slot])) {
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return '-';
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}
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return $this->lateststeps[$attempt->usageid][$slot]->$field;
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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', $attempt);
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} else {
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return parent::other_cols($colname, $attempt);
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}
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}
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protected function requires_extra_data() {
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return true;
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}
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protected function is_latest_step_column($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 $alias the table alias for latest state information relating to that slot.
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* @return string sql fragment to alias fields.
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*/
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protected function get_required_latest_state_fields($slot, $alias) {
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global $DB;
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return $DB->sql_order_by_text("{$alias}.questionsummary") . " AS question{$slot},
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" . $DB->sql_order_by_text("{$alias}.rightanswer") . " AS right{$slot},
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" . $DB->sql_order_by_text("{$alias}.responsesummary") . " AS response{$slot}";
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}
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}
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