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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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namespace mod_questionnaire\responsetype;
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use Composer\Package\Package;
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use mod_questionnaire\db\bulk_sql_config;
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/**
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* Class for rank responses.
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*
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* @author Mike Churchward
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* @copyright 2016 onward Mike Churchward (mike.churchward@poetopensource.org)
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* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
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* @package mod_questionnaire
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*/
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class rank extends responsetype {
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/**
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* Provide the necessary response data table name. Should probably always be used with late static binding 'static::' form
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* rather than 'self::' form to allow for class extending.
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*
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* @return string response table name.
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*/
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public static function response_table() {
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return 'questionnaire_response_rank';
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}
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/**
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* Provide an array of answer objects from web form data for the question.
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*
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* @param \stdClass $responsedata All of the responsedata as an object.
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* @param \mod_questionnaire\question\question $question
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* @return array \mod_questionnaire\responsetype\answer\answer An array of answer objects.
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* @throws \coding_exception
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*/
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public static function answers_from_webform($responsedata, $question) {
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$answers = [];
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foreach ($question->choices as $cid => $choice) {
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$other = isset($responsedata->{'q' . $question->id . '_' . $cid}) ?
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$responsedata->{'q' . $question->id . '_' . $cid} : null;
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// Choice not set or not answered.
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if (!isset($other) || $other == '') {
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continue;
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}
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if ($other == get_string('notapplicable', 'questionnaire')) {
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$rank = -1;
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} else {
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$rank = intval($other);
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}
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$record = new \stdClass();
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$record->responseid = $responsedata->rid;
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$record->questionid = $question->id;
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$record->choiceid = $cid;
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$record->value = $rank;
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$answers[$cid] = answer\answer::create_from_data($record);
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}
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return $answers;
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}
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/**
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* Provide an array of answer objects from mobile data for the question.
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*
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* @param \stdClass $responsedata All of the responsedata as an object.
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* @param \mod_questionnaire\question\question $question
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* @return array \mod_questionnaire\responsetype\answer\answer An array of answer objects.
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*/
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public static function answers_from_appdata($responsedata, $question) {
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$answers = [];
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if (isset($responsedata->{'q'.$question->id}) && !empty($responsedata->{'q'.$question->id})) {
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foreach ($responsedata->{'q' . $question->id} as $choiceid => $choicevalue) {
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if (isset($question->choices[$choiceid])) {
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$record = new \stdClass();
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$record->responseid = $responsedata->rid;
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$record->questionid = $question->id;
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$record->choiceid = $choiceid;
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if (!empty($question->nameddegrees)) {
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// If using named degrees, the app returns the label string. Find the value.
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$nameddegreevalue = array_search($choicevalue, $question->nameddegrees);
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if ($nameddegreevalue !== false) {
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$choicevalue = $nameddegreevalue;
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}
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}
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$record->value = $choicevalue;
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$answers[] = answer\answer::create_from_data($record);
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}
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}
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}
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return $answers;
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}
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/**
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* Insert a provided response to the question.
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*
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* @param object $responsedata All of the responsedata as an object.
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* @return int|bool - on error the subtype should call set_error and return false.
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*/
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public function insert_response($responsedata) {
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global $DB;
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if (!$responsedata instanceof \mod_questionnaire\responsetype\response\response) {
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$response = \mod_questionnaire\responsetype\response\response::response_from_webform($responsedata, [$this->question]);
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} else {
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$response = $responsedata;
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}
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$resid = false;
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if (isset($response->answers[$this->question->id])) {
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foreach ($response->answers[$this->question->id] as $answer) {
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// Record the choice selection.
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$record = new \stdClass();
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$record->response_id = $response->id;
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$record->question_id = $this->question->id;
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$record->choice_id = $answer->choiceid;
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$record->rankvalue = $answer->value;
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$resid = $DB->insert_record(static::response_table(), $record);
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}
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}
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return $resid;
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}
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/**
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* @param bool $rids
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* @param bool $anonymous
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* @return array
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*
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* TODO - This works differently than all other get_results methods. This needs to be refactored.
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*/
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public function get_results($rids=false, $anonymous=false) {
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global $DB;
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$rsql = '';
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if (!empty($rids)) {
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list($rsql, $params) = $DB->get_in_or_equal($rids);
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$rsql = ' AND response_id ' . $rsql;
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}
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$select = 'question_id=' . $this->question->id . ' AND content NOT LIKE \'!other%\' ORDER BY id ASC';
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if ($rows = $DB->get_records_select('questionnaire_quest_choice', $select)) {
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foreach ($rows as $row) {
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$this->counts[$row->content] = new \stdClass();
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$nbna = $DB->count_records(static::response_table(), array('question_id' => $this->question->id,
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'choice_id' => $row->id, 'rankvalue' => '-1'));
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$this->counts[$row->content]->nbna = $nbna;
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}
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}
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// For nameddegrees, need an array by degree value of positions (zero indexed).
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$rankvalue = [];
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if (!empty($this->question->nameddegrees)) {
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$rankvalue = array_flip(array_keys($this->question->nameddegrees));
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}
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$isrestricted = ($this->question->length < count($this->question->choices)) && $this->question->no_duplicate_choices();
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// Usual case.
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if (!$isrestricted) {
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if (!empty ($rankvalue)) {
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$sql = "SELECT r.id, c.content, r.rankvalue, c.id AS choiceid
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FROM {questionnaire_quest_choice} c, {".static::response_table()."} r
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WHERE r.choice_id = c.id
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AND c.question_id = " . $this->question->id . "
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AND r.rankvalue >= 0{$rsql}
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ORDER BY choiceid";
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$results = $DB->get_records_sql($sql, $params);
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$value = [];
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foreach ($results as $result) {
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if (isset($rankvalue[$result->rankvalue])) {
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if (isset ($value[$result->choiceid])) {
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$value[$result->choiceid] += $rankvalue[$result->rankvalue] + 1;
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} else {
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$value[$result->choiceid] = $rankvalue[$result->rankvalue] + 1;
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}
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}
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}
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}
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$sql = "SELECT c.id, c.content, a.average, a.num
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FROM {questionnaire_quest_choice} c
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INNER JOIN
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(SELECT c2.id, AVG(a2.rankvalue) AS average, COUNT(a2.response_id) AS num
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FROM {questionnaire_quest_choice} c2, {".static::response_table()."} a2
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WHERE c2.question_id = ? AND a2.question_id = ? AND a2.choice_id = c2.id AND a2.rankvalue >= 0{$rsql}
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GROUP BY c2.id) a ON a.id = c.id
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order by c.id";
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$results = $DB->get_records_sql($sql, array_merge(array($this->question->id, $this->question->id), $params));
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if (!empty ($rankvalue)) {
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foreach ($results as $key => $result) {
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if (isset($value[$key])) {
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$result->averagevalue = $value[$key] / $result->num;
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}
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}
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}
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// Reindex by 'content'. Can't do this from the query as it won't work with MS-SQL.
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foreach ($results as $key => $result) {
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$results[$result->content] = $result;
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unset($results[$key]);
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}
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return $results;
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// Case where scaleitems is less than possible choices.
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} else {
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$sql = "SELECT c.id, c.content, a.sum, a.num
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FROM {questionnaire_quest_choice} c
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INNER JOIN
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(SELECT c2.id, SUM(a2.rankvalue) AS sum, COUNT(a2.response_id) AS num
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FROM {questionnaire_quest_choice} c2, {".static::response_table()."} a2
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WHERE c2.question_id = ? AND a2.question_id = ? AND a2.choice_id = c2.id AND a2.rankvalue >= 0{$rsql}
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GROUP BY c2.id) a ON a.id = c.id";
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$results = $DB->get_records_sql($sql, array_merge(array($this->question->id, $this->question->id), $params));
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// Formula to calculate the best ranking order.
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$nbresponses = count($rids);
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foreach ($results as $key => $result) {
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$result->average = ($result->sum + ($nbresponses - $result->num) * ($this->length + 1)) / $nbresponses;
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$results[$result->content] = $result;
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unset($results[$key]);
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}
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return $results;
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}
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}
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/**
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* Provide the feedback scores for all requested response id's. This should be provided only by questions that provide feedback.
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* @param array $rids
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* @return array | boolean
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*/
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public function get_feedback_scores(array $rids) {
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global $DB;
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$rsql = '';
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$params = [$this->question->id];
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if (!empty($rids)) {
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list($rsql, $rparams) = $DB->get_in_or_equal($rids);
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$params = array_merge($params, $rparams);
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$rsql = ' AND response_id ' . $rsql;
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}
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$params[] = 'y';
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$sql = 'SELECT r.id, r.response_id as rid, r.question_id AS qid, r.choice_id AS cid, r.rankvalue ' .
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'FROM {'.$this->response_table().'} r ' .
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'INNER JOIN {questionnaire_quest_choice} c ON r.choice_id = c.id ' .
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'WHERE r.question_id= ? ' . $rsql . ' ' .
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'ORDER BY rid,cid ASC';
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$responses = $DB->get_recordset_sql($sql, $params);
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$rid = 0;
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$feedbackscores = [];
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foreach ($responses as $response) {
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if ($rid != $response->rid) {
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$rid = $response->rid;
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$feedbackscores[$rid] = new \stdClass();
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$feedbackscores[$rid]->rid = $rid;
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$feedbackscores[$rid]->score = 0;
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}
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// Only count scores that are currently defined (in case old responses are using older data).
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$feedbackscores[$rid]->score += isset($this->question->nameddegrees[$response->rankvalue]) ? $response->rankvalue : 0;
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}
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return (!empty($feedbackscores) ? $feedbackscores : false);
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}
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/**
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* Provide a template for results screen if defined.
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* @param bool $pdf
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* @return mixed The template string or false/
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*/
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public function results_template($pdf = false) {
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if ($pdf) {
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return 'mod_questionnaire/resultspdf_rate';
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} else {
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return 'mod_questionnaire/results_rate';
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}
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}
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/**
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* Provide the result information for the specified result records.
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*
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* @param int|array $rids - A single response id, or array.
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* @param string $sort - Optional display sort.
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* @param boolean $anonymous - Whether or not responses are anonymous.
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* @return string - Display output.
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*/
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public function display_results($rids=false, $sort='', $anonymous=false) {
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$output = '';
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if (is_array($rids)) {
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$prtotal = 1;
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} else if (is_int($rids)) {
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$prtotal = 0;
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}
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if ($rows = $this->get_results($rids, $sort, $anonymous)) {
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$stravgvalue = ''; // For printing table heading.
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foreach ($this->counts as $key => $value) {
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$ccontent = $key;
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$avgvalue = '';
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if (array_key_exists($ccontent, $rows)) {
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$avg = $rows[$ccontent]->average;
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$this->counts[$ccontent]->num = $rows[$ccontent]->num;
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if (isset($rows[$ccontent]->averagevalue)) {
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$avgvalue = $rows[$ccontent]->averagevalue;
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$osgood = false;
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if ($this->question->osgood_rate_scale()) { // Osgood's semantic differential.
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$osgood = true;
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}
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if ($stravgvalue == '' && !$osgood) {
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$stravgvalue = ' ('.get_string('andaveragevalues', 'questionnaire').')';
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}
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} else {
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$avgvalue = null;
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}
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} else {
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$avg = 0;
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}
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$this->counts[$ccontent]->avg = $avg;
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$this->counts[$ccontent]->avgvalue = $avgvalue;
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}
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$output1 = $this->mkresavg($sort, $stravgvalue);
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$output2 = $this->mkrescount($rids, $rows, $sort);
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331 |
$output = (object)array_merge((array)$output1, (array)$output2);
|
|
|
332 |
} else {
|
|
|
333 |
$output = (object)['noresponses' => true];
|
|
|
334 |
}
|
|
|
335 |
return $output;
|
|
|
336 |
}
|
|
|
337 |
|
|
|
338 |
/**
|
|
|
339 |
* Return an array of answers by question/choice for the given response. Must be implemented by the subclass.
|
|
|
340 |
*
|
|
|
341 |
* @param int $rid The response id.
|
|
|
342 |
* @return array
|
|
|
343 |
*/
|
|
|
344 |
public static function response_select($rid) {
|
|
|
345 |
global $DB;
|
|
|
346 |
|
|
|
347 |
$values = [];
|
|
|
348 |
$sql = 'SELECT a.id as aid, q.id AS qid, q.precise AS precise, c.id AS cid, q.content, c.content as ccontent,
|
|
|
349 |
a.rankvalue as arank '.
|
|
|
350 |
'FROM {'.static::response_table().'} a, {questionnaire_question} q, {questionnaire_quest_choice} c '.
|
|
|
351 |
'WHERE a.response_id= ? AND a.question_id=q.id AND a.choice_id=c.id '.
|
|
|
352 |
'ORDER BY aid, a.question_id, c.id';
|
|
|
353 |
$records = $DB->get_records_sql($sql, [$rid]);
|
|
|
354 |
foreach ($records as $row) {
|
|
|
355 |
// Next two are 'qid' and 'cid', each with numeric and hash keys.
|
|
|
356 |
$osgood = false;
|
|
|
357 |
if (\mod_questionnaire\question\rate::type_is_osgood_rate_scale($row->precise)) {
|
|
|
358 |
$osgood = true;
|
|
|
359 |
}
|
|
|
360 |
$qid = $row->qid.'_'.$row->cid;
|
|
|
361 |
unset($row->aid); // Get rid of the answer id.
|
|
|
362 |
unset($row->qid);
|
|
|
363 |
unset($row->cid);
|
|
|
364 |
unset($row->precise);
|
|
|
365 |
$row = (array)$row;
|
|
|
366 |
$newrow = [];
|
|
|
367 |
foreach ($row as $key => $val) {
|
|
|
368 |
if ($key != 'content') { // No need to keep question text - ony keep choice text and rank.
|
|
|
369 |
if ($key == 'ccontent') {
|
|
|
370 |
if ($osgood) {
|
|
|
371 |
list($contentleft, $contentright) = array_merge(preg_split('/[|]/', $val), [' ']);
|
|
|
372 |
$contents = questionnaire_choice_values($contentleft);
|
|
|
373 |
if ($contents->title) {
|
|
|
374 |
$contentleft = $contents->title;
|
|
|
375 |
}
|
|
|
376 |
$contents = questionnaire_choice_values($contentright);
|
|
|
377 |
if ($contents->title) {
|
|
|
378 |
$contentright = $contents->title;
|
|
|
379 |
}
|
|
|
380 |
$val = strip_tags($contentleft.'|'.$contentright);
|
|
|
381 |
$val = preg_replace("/[\r\n\t]/", ' ', $val);
|
|
|
382 |
} else {
|
|
|
383 |
$contents = questionnaire_choice_values($val);
|
|
|
384 |
if ($contents->modname) {
|
|
|
385 |
$val = $contents->modname;
|
|
|
386 |
} else if ($contents->title) {
|
|
|
387 |
$val = $contents->title;
|
|
|
388 |
} else if ($contents->text) {
|
|
|
389 |
$val = strip_tags($contents->text);
|
|
|
390 |
$val = preg_replace("/[\r\n\t]/", ' ', $val);
|
|
|
391 |
}
|
|
|
392 |
}
|
|
|
393 |
}
|
|
|
394 |
$newrow[] = $val;
|
|
|
395 |
}
|
|
|
396 |
}
|
|
|
397 |
$values[$qid] = $newrow;
|
|
|
398 |
}
|
|
|
399 |
|
|
|
400 |
return $values;
|
|
|
401 |
}
|
|
|
402 |
|
|
|
403 |
/**
|
|
|
404 |
* Return an array of answer objects by question for the given response id.
|
|
|
405 |
* THIS SHOULD REPLACE response_select.
|
|
|
406 |
*
|
|
|
407 |
* @param int $rid The response id.
|
|
|
408 |
* @return array array answer
|
|
|
409 |
* @throws \dml_exception
|
|
|
410 |
*/
|
|
|
411 |
public static function response_answers_by_question($rid) {
|
|
|
412 |
global $DB;
|
|
|
413 |
|
|
|
414 |
$answers = [];
|
|
|
415 |
$sql = 'SELECT id, response_id as responseid, question_id as questionid, choice_id as choiceid, rankvalue as value ' .
|
|
|
416 |
'FROM {' . static::response_table() .'} ' .
|
|
|
417 |
'WHERE response_id = ? ';
|
|
|
418 |
$records = $DB->get_records_sql($sql, [$rid]);
|
|
|
419 |
foreach ($records as $record) {
|
|
|
420 |
$answers[$record->questionid][$record->choiceid] = answer\answer::create_from_data($record);
|
|
|
421 |
}
|
|
|
422 |
|
|
|
423 |
return $answers;
|
|
|
424 |
}
|
|
|
425 |
|
|
|
426 |
/**
|
|
|
427 |
* Configure bulk sql
|
|
|
428 |
* @return bulk_sql_config
|
|
|
429 |
*/
|
|
|
430 |
protected function bulk_sql_config() {
|
|
|
431 |
return new bulk_sql_config(static::response_table(), 'qrr', true, false, true);
|
|
|
432 |
}
|
|
|
433 |
|
|
|
434 |
/**
|
|
|
435 |
* Return a structure for averages.
|
|
|
436 |
* @param string $sort
|
|
|
437 |
* @param string $stravgvalue
|
|
|
438 |
* @return \stdClass
|
|
|
439 |
*/
|
|
|
440 |
private function mkresavg($sort, $stravgvalue='') {
|
|
|
441 |
global $CFG;
|
|
|
442 |
|
|
|
443 |
$stravgrank = get_string('averagerank', 'questionnaire');
|
|
|
444 |
$osgood = false;
|
|
|
445 |
if ($this->question->precise == 3) { // Osgood's semantic differential.
|
|
|
446 |
$osgood = true;
|
|
|
447 |
$stravgrank = get_string('averageposition', 'questionnaire');
|
|
|
448 |
}
|
|
|
449 |
$stravg = '<div style="text-align:right">'.$stravgrank.$stravgvalue.'</div>';
|
|
|
450 |
|
|
|
451 |
$isna = $this->question->precise == 1;
|
|
|
452 |
$isnahead = '';
|
|
|
453 |
$nbchoices = count($this->counts);
|
|
|
454 |
$isrestricted = ($this->question->length < $nbchoices) && $this->question->precise == 2;
|
|
|
455 |
|
|
|
456 |
if ($isna) {
|
|
|
457 |
$isnahead = get_string('notapplicable', 'questionnaire');
|
|
|
458 |
}
|
|
|
459 |
$pagetags = new \stdClass();
|
|
|
460 |
$pagetags->averages = new \stdClass();
|
|
|
461 |
|
|
|
462 |
if ($isna) {
|
|
|
463 |
$header1 = new \stdClass();
|
|
|
464 |
$header1->text = '';
|
|
|
465 |
$header1->align = '';
|
|
|
466 |
$header2 = new \stdClass();
|
|
|
467 |
$header2->text = $stravg;
|
|
|
468 |
$header2->align = '';
|
|
|
469 |
$header3 = new \stdClass();
|
|
|
470 |
$header3->text = '⇓';
|
|
|
471 |
$header3->align = 'center';
|
|
|
472 |
$header4 = new \stdClass();
|
|
|
473 |
$header4->text = $isnahead;
|
|
|
474 |
$header4->align = 'right';
|
|
|
475 |
} else {
|
|
|
476 |
if ($osgood) {
|
|
|
477 |
$stravg = '<div style="text-align:center">'.$stravgrank.'</div>';
|
|
|
478 |
$header1 = new \stdClass();
|
|
|
479 |
$header1->text = '';
|
|
|
480 |
$header1->align = '';
|
|
|
481 |
$header2 = new \stdClass();
|
|
|
482 |
$header2->text = $stravg;
|
|
|
483 |
$header2->align = '';
|
|
|
484 |
$header3 = new \stdClass();
|
|
|
485 |
$header3->text = '';
|
|
|
486 |
$header3->align = 'center';
|
|
|
487 |
} else {
|
|
|
488 |
$header1 = new \stdClass();
|
|
|
489 |
$header1->text = '';
|
|
|
490 |
$header1->align = '';
|
|
|
491 |
$header2 = new \stdClass();
|
|
|
492 |
$header2->text = $stravg;
|
|
|
493 |
$header2->align = '';
|
|
|
494 |
$header3 = new \stdClass();
|
|
|
495 |
$header3->text = '⇓';
|
|
|
496 |
$header3->align = 'center';
|
|
|
497 |
}
|
|
|
498 |
}
|
|
|
499 |
// PDF columns are based on a 11.69in x 8.27in page. Margins are 15mm each side, or 1.1811 in total.
|
|
|
500 |
$pdfwidth = 11.69 - 1.1811;
|
|
|
501 |
if ($isna) {
|
|
|
502 |
$header1->width = '55%';
|
|
|
503 |
$header2->width = '35%';
|
|
|
504 |
$header3->width = '5%';
|
|
|
505 |
$header4->width = '5%';
|
|
|
506 |
$header1->pdfwidth = $pdfwidth * .55;
|
|
|
507 |
$header2->pdfwidth = $pdfwidth * .35;
|
|
|
508 |
$header3->pdfwidth = $pdfwidth * .05;
|
|
|
509 |
$header4->pdfwidth = $pdfwidth * .05;
|
|
|
510 |
} else if ($osgood) {
|
|
|
511 |
$header1->width = '25%';
|
|
|
512 |
$header2->width = '50%';
|
|
|
513 |
$header3->width = '25%';
|
|
|
514 |
$header1->pdfwidth = $pdfwidth * .25;
|
|
|
515 |
$header2->pdfwidth = $pdfwidth * .5;
|
|
|
516 |
$header3->pdfwidth = $pdfwidth * .25;
|
|
|
517 |
} else {
|
|
|
518 |
$header1->width = '60%';
|
|
|
519 |
$header2->width = '35%';
|
|
|
520 |
$header3->width = '5%';
|
|
|
521 |
$header1->pdfwidth = $pdfwidth * .6;
|
|
|
522 |
$header2->pdfwidth = $pdfwidth * .35;
|
|
|
523 |
$header3->pdfwidth = $pdfwidth * .05;
|
|
|
524 |
}
|
|
|
525 |
$pagetags->averages->headers = [$header1, $header2, $header3];
|
|
|
526 |
if (isset($header4)) {
|
|
|
527 |
$pagetags->averages->headers[] = $header4;
|
|
|
528 |
}
|
|
|
529 |
|
|
|
530 |
$imageurl = $CFG->wwwroot.'/mod/questionnaire/images/hbar.gif';
|
|
|
531 |
$spacerimage = $CFG->wwwroot . '/mod/questionnaire/images/hbartransp.gif';
|
|
|
532 |
$llength = $this->question->length;
|
|
|
533 |
if (!$llength) {
|
|
|
534 |
$llength = 5;
|
|
|
535 |
}
|
|
|
536 |
// Add an extra column to accomodate lower ranks in this case.
|
|
|
537 |
$llength += $isrestricted;
|
|
|
538 |
$width = 100 / $llength;
|
|
|
539 |
$n = array();
|
|
|
540 |
$nameddegrees = 0;
|
|
|
541 |
foreach ($this->question->nameddegrees as $degree) {
|
|
|
542 |
// To take into account languages filter.
|
|
|
543 |
$content = (format_text($degree, FORMAT_HTML, ['noclean' => true]));
|
|
|
544 |
$n[$nameddegrees] = $degree;
|
|
|
545 |
$nameddegrees++;
|
|
|
546 |
}
|
|
|
547 |
for ($j = 0; $j < $this->question->length; $j++) {
|
|
|
548 |
if (isset($n[$j])) {
|
|
|
549 |
$str = $n[$j];
|
|
|
550 |
} else {
|
|
|
551 |
$str = $j + 1;
|
|
|
552 |
}
|
|
|
553 |
}
|
|
|
554 |
$rankcols = [];
|
|
|
555 |
$pdfwidth = $header2->pdfwidth / (100 / $width);
|
|
|
556 |
for ($i = 0; $i <= $llength - 1; $i++) {
|
|
|
557 |
if ($isrestricted && $i == $llength - 1) {
|
|
|
558 |
$str = "...";
|
|
|
559 |
$rankcols[] = (object)['width' => $width . '%', 'text' => '...', 'pdfwidth' => $pdfwidth];
|
|
|
560 |
} else if (isset($n[$i])) {
|
|
|
561 |
$str = $n[$i];
|
|
|
562 |
$rankcols[] = (object)['width' => $width . '%', 'text' => $n[$i], 'pdfwidth' => $pdfwidth];
|
|
|
563 |
} else {
|
|
|
564 |
$str = $i + 1;
|
|
|
565 |
$rankcols[] = (object)['width' => $width . '%', 'text' => $i + 1, 'pdfwidth' => $pdfwidth];
|
|
|
566 |
}
|
|
|
567 |
}
|
|
|
568 |
$pagetags->averages->choicelabelrow = new \stdClass();
|
|
|
569 |
$pagetags->averages->choicelabelrow->innertablewidth = $header2->pdfwidth;
|
|
|
570 |
$pagetags->averages->choicelabelrow->column1 = (object)['width' => $header1->width, 'align' => $header1->align,
|
|
|
571 |
'text' => '', 'pdfwidth' => $header1->pdfwidth];
|
|
|
572 |
$pagetags->averages->choicelabelrow->column2 = (object)['width' => $header2->width, 'align' => $header2->align,
|
|
|
573 |
'ranks' => $rankcols, 'pdfwidth' => $header2->pdfwidth];
|
|
|
574 |
$pagetags->averages->choicelabelrow->column3 = (object)['width' => $header3->width, 'align' => $header3->align,
|
|
|
575 |
'text' => '', 'pdfwidth' => $header3->pdfwidth];
|
|
|
576 |
if ($isna) {
|
|
|
577 |
$pagetags->averages->choicelabelrow->column4 = (object)['width' => $header4->width, 'align' => $header4->align,
|
|
|
578 |
'text' => '', 'pdfwidth' => $header4->pdfwidth];
|
|
|
579 |
}
|
|
|
580 |
|
|
|
581 |
switch ($sort) {
|
|
|
582 |
case 'ascending':
|
|
|
583 |
uasort($this->counts, 'self::sortavgasc');
|
|
|
584 |
break;
|
|
|
585 |
case 'descending':
|
|
|
586 |
uasort($this->counts, 'self::sortavgdesc');
|
|
|
587 |
break;
|
|
|
588 |
}
|
|
|
589 |
reset ($this->counts);
|
|
|
590 |
|
|
|
591 |
if (!empty($this->counts) && is_array($this->counts)) {
|
|
|
592 |
$pagetags->averages->choiceaverages = [];
|
|
|
593 |
foreach ($this->counts as $content => $contentobj) {
|
|
|
594 |
// Eliminate potential named degrees on Likert scale.
|
|
|
595 |
if (!preg_match("/^[0-9]{1,3}=/", $content)) {
|
|
|
596 |
if (isset($contentobj->avg)) {
|
|
|
597 |
$avg = $contentobj->avg;
|
|
|
598 |
// If named degrees were used, swap averages for display.
|
|
|
599 |
if (isset($contentobj->avgvalue)) {
|
|
|
600 |
$avg = $contentobj->avgvalue;
|
|
|
601 |
$avgvalue = $contentobj->avg;
|
|
|
602 |
} else {
|
|
|
603 |
$avgvalue = '';
|
|
|
604 |
}
|
|
|
605 |
} else {
|
|
|
606 |
$avg = '';
|
|
|
607 |
}
|
|
|
608 |
$nbna = $contentobj->nbna;
|
|
|
609 |
|
|
|
610 |
if ($avg) {
|
|
|
611 |
if (($j = $avg * $width) > 0) {
|
|
|
612 |
$marginposition = ($avg - 0.5 ) / ($this->question->length + $isrestricted);
|
|
|
613 |
}
|
|
|
614 |
if (!right_to_left()) {
|
|
|
615 |
$margin = 'margin-left:' . $marginposition * 100 . '%';
|
|
|
616 |
$marginpdf = $marginposition * $pagetags->averages->choicelabelrow->innertablewidth;
|
|
|
617 |
} else {
|
|
|
618 |
$margin = 'margin-right:' . $marginposition * 100 . '%';
|
|
|
619 |
$marginpdf = $pagetags->averages->choicelabelrow->innertablewidth -
|
|
|
620 |
($marginposition * $pagetags->averages->choicelabelrow->innertablewidth);
|
|
|
621 |
}
|
|
|
622 |
} else {
|
|
|
623 |
$margin = '';
|
|
|
624 |
}
|
|
|
625 |
|
|
|
626 |
if ($osgood) {
|
|
|
627 |
// Ensure there are two bits of content.
|
|
|
628 |
list($content, $contentright) = array_merge(preg_split('/[|]/', $content), array(' '));
|
|
|
629 |
} else {
|
|
|
630 |
$contents = questionnaire_choice_values($content);
|
|
|
631 |
if ($contents->modname) {
|
|
|
632 |
$content = $contents->text;
|
|
|
633 |
}
|
|
|
634 |
}
|
|
|
635 |
if ($osgood) {
|
|
|
636 |
$choicecol1 = new \stdClass();
|
|
|
637 |
$choicecol1->width = $header1->width;
|
|
|
638 |
$choicecol1->pdfwidth = $header1->pdfwidth;
|
|
|
639 |
$choicecol1->align = $header1->align;
|
|
|
640 |
$choicecol1->text = '<div class="mdl-right">' .
|
|
|
641 |
format_text($content, FORMAT_HTML, ['noclean' => true]) . '</div>';
|
|
|
642 |
$choicecol2 = new \stdClass();
|
|
|
643 |
$choicecol2->width = $header2->width;
|
|
|
644 |
$choicecol2->pdfwidth = $header2->pdfwidth;
|
|
|
645 |
$choicecol2->align = $header2->align;
|
|
|
646 |
$choicecol2->imageurl = $imageurl;
|
|
|
647 |
$choicecol2->spacerimage = $spacerimage;
|
|
|
648 |
$choicecol2->margin = $margin;
|
|
|
649 |
$choicecol2->marginpdf = $marginpdf;
|
|
|
650 |
$choicecol3 = new \stdClass();
|
|
|
651 |
$choicecol3->width = $header3->width;
|
|
|
652 |
$choicecol3->pdfwidth = $header3->pdfwidth;
|
|
|
653 |
$choicecol3->align = $header3->align;
|
|
|
654 |
$choicecol3->text = '<div class="mdl-left">' .
|
|
|
655 |
format_text($contentright, FORMAT_HTML, ['noclean' => true]) . '</div>';
|
|
|
656 |
$pagetags->averages->choiceaverages[] = (object)['column1' => $choicecol1, 'column2' => $choicecol2,
|
|
|
657 |
'column3' => $choicecol3];
|
|
|
658 |
// JR JUNE 2012 do not display meaningless average rank values for Osgood.
|
|
|
659 |
} else if ($avg || ($nbna != 0)) {
|
|
|
660 |
$stravgval = '';
|
|
|
661 |
if ($avg) {
|
|
|
662 |
if ($stravgvalue) {
|
|
|
663 |
$stravgval = '('.sprintf('%.1f', $avgvalue).')';
|
|
|
664 |
}
|
|
|
665 |
$stravgval = sprintf('%.1f', $avg).' '.$stravgval;
|
|
|
666 |
if ($isna) {
|
|
|
667 |
$choicecol4 = new \stdClass();
|
|
|
668 |
$choicecol4->width = $header4->width;
|
|
|
669 |
$choicecol4->pdfwidth = $header4->pdfwidth;
|
|
|
670 |
$choicecol4->align = $header4->align;
|
|
|
671 |
$choicecol4->text = $nbna;
|
|
|
672 |
}
|
|
|
673 |
}
|
|
|
674 |
$choicecol1 = new \stdClass();
|
|
|
675 |
$choicecol1->width = $header1->width;
|
|
|
676 |
$choicecol1->pdfwidth = $header1->pdfwidth;
|
|
|
677 |
$choicecol1->align = $header1->align;
|
|
|
678 |
$choicecol1->text = format_text($content, FORMAT_HTML, ['noclean' => true]);
|
|
|
679 |
$choicecol2 = new \stdClass();
|
|
|
680 |
$choicecol2->width = $header2->width;
|
|
|
681 |
$choicecol2->pdfwidth = $header2->pdfwidth;
|
|
|
682 |
$choicecol2->align = $header2->align;
|
|
|
683 |
$choicecol2->imageurl = $imageurl;
|
|
|
684 |
$choicecol2->spacerimage = $spacerimage;
|
|
|
685 |
$choicecol2->margin = $margin;
|
|
|
686 |
$choicecol2->marginpdf = $marginpdf;
|
|
|
687 |
$choicecol3 = new \stdClass();
|
|
|
688 |
$choicecol3->width = $header3->width;
|
|
|
689 |
$choicecol3->pdfwidth = $header3->pdfwidth;
|
|
|
690 |
$choicecol3->align = $header3->align;
|
|
|
691 |
$choicecol3->text = $stravgval;
|
|
|
692 |
if ($avg) {
|
|
|
693 |
if (isset($choicecol4)) {
|
|
|
694 |
$pagetags->averages->choiceaverages[] = (object)['column1' => $choicecol1,
|
|
|
695 |
'column2' => $choicecol2, 'column3' => $choicecol3, 'column4' => $choicecol4];
|
|
|
696 |
} else {
|
|
|
697 |
$pagetags->averages->choiceaverages[] = (object)['column1' => $choicecol1,
|
|
|
698 |
'column2' => $choicecol2, 'column3' => $choicecol3];
|
|
|
699 |
}
|
|
|
700 |
} else {
|
|
|
701 |
$choicecol4 = new \stdClass();
|
|
|
702 |
$choicecol4->width = $header4->width;
|
|
|
703 |
$choicecol4->pdfwidth = $header4->pdfwidth;
|
|
|
704 |
$choicecol4->align = $header4->align;
|
|
|
705 |
$choicecol4->text = $nbna;
|
|
|
706 |
$pagetags->averages->choiceaverages[] = (object)['column1' => $choicecol1, 'column2' => $choicecol2,
|
|
|
707 |
'column3' => $choicecol3];
|
|
|
708 |
}
|
|
|
709 |
}
|
|
|
710 |
} // End if named degrees.
|
|
|
711 |
} // End foreach.
|
|
|
712 |
} else {
|
|
|
713 |
$nodata1 = new \stdClass();
|
|
|
714 |
$nodata1->width = $header1->width;
|
|
|
715 |
$nodata1->align = $header1->align;
|
|
|
716 |
$nodata1->text = '';
|
|
|
717 |
$nodata2 = new \stdClass();
|
|
|
718 |
$nodata2->width = $header2->width;
|
|
|
719 |
$nodata2->align = $header2->align;
|
|
|
720 |
$nodata2->text = get_string('noresponsedata', 'mod_questionnaire');
|
|
|
721 |
$nodata3 = new \stdClass();
|
|
|
722 |
$nodata3->width = $header3->width;
|
|
|
723 |
$nodata3->align = $header3->align;
|
|
|
724 |
$nodata3->text = '';
|
|
|
725 |
if (isset($header4)) {
|
|
|
726 |
$nodata4 = new \stdClass();
|
|
|
727 |
$nodata4->width = $header4->width;
|
|
|
728 |
$nodata4->align = $header4->align;
|
|
|
729 |
$nodata4->text = '';
|
|
|
730 |
$pagetags->averages->nodata = [$nodata1, $nodata2, $nodata3, $nodata4];
|
|
|
731 |
} else {
|
|
|
732 |
$pagetags->averages->nodata = [$nodata1, $nodata2, $nodata3];
|
|
|
733 |
}
|
|
|
734 |
}
|
|
|
735 |
return $pagetags;
|
|
|
736 |
}
|
|
|
737 |
|
|
|
738 |
/**
|
|
|
739 |
* Return a structure for counts.
|
|
|
740 |
* @param array $rids
|
|
|
741 |
* @param array $rows
|
|
|
742 |
* @param string $sort
|
|
|
743 |
* @return \stdClass
|
|
|
744 |
*/
|
|
|
745 |
private function mkrescount($rids, $rows, $sort) {
|
|
|
746 |
// Display number of responses to Rate questions - see http://moodle.org/mod/forum/discuss.php?d=185106.
|
|
|
747 |
global $DB;
|
|
|
748 |
|
|
|
749 |
$nbresponses = count($rids);
|
|
|
750 |
// Prepare data to be displayed.
|
|
|
751 |
$isrestricted = ($this->question->length < count($this->question->choices)) && $this->question->precise == 2;
|
|
|
752 |
|
|
|
753 |
$rsql = '';
|
|
|
754 |
if (!empty($rids)) {
|
|
|
755 |
list($rsql, $params) = $DB->get_in_or_equal($rids);
|
|
|
756 |
$rsql = ' AND response_id ' . $rsql;
|
|
|
757 |
}
|
|
|
758 |
|
|
|
759 |
array_unshift($params, $this->question->id); // This is question_id.
|
|
|
760 |
$sql = 'SELECT r.id, c.content, r.rankvalue, c.id AS choiceid ' .
|
|
|
761 |
'FROM {questionnaire_quest_choice} c , ' .
|
|
|
762 |
'{questionnaire_response_rank} r ' .
|
|
|
763 |
'WHERE c.question_id = ?' .
|
|
|
764 |
' AND r.question_id = c.question_id' .
|
|
|
765 |
' AND r.choice_id = c.id ' .
|
|
|
766 |
$rsql .
|
|
|
767 |
' ORDER BY choiceid, rankvalue ASC';
|
|
|
768 |
$choices = $DB->get_records_sql($sql, $params);
|
|
|
769 |
|
|
|
770 |
// Sort rows (results) by average value.
|
|
|
771 |
if ($sort != 'default') {
|
|
|
772 |
$sortarray = array();
|
|
|
773 |
foreach ($rows as $row) {
|
|
|
774 |
foreach ($row as $key => $value) {
|
|
|
775 |
if (!isset($sortarray[$key])) {
|
|
|
776 |
$sortarray[$key] = array();
|
|
|
777 |
}
|
|
|
778 |
$sortarray[$key][] = $value;
|
|
|
779 |
}
|
|
|
780 |
}
|
|
|
781 |
$orderby = "average";
|
|
|
782 |
switch ($sort) {
|
|
|
783 |
case 'ascending':
|
|
|
784 |
array_multisort($sortarray[$orderby], SORT_ASC, $rows);
|
|
|
785 |
break;
|
|
|
786 |
case 'descending':
|
|
|
787 |
array_multisort($sortarray[$orderby], SORT_DESC, $rows);
|
|
|
788 |
break;
|
|
|
789 |
}
|
|
|
790 |
}
|
|
|
791 |
$nbranks = $this->question->length;
|
|
|
792 |
$ranks = [];
|
|
|
793 |
$rankvalue = [];
|
|
|
794 |
if (!empty($this->question->nameddegrees)) {
|
|
|
795 |
$rankvalue = array_flip(array_keys($this->question->nameddegrees));
|
|
|
796 |
}
|
|
|
797 |
foreach ($rows as $row) {
|
|
|
798 |
$choiceid = $row->id;
|
|
|
799 |
foreach ($choices as $choice) {
|
|
|
800 |
if ($choice->choiceid == $choiceid) {
|
|
|
801 |
$n = 0;
|
|
|
802 |
for ($i = 1; $i <= $nbranks; $i++) {
|
|
|
803 |
if ((isset($rankvalue[$choice->rankvalue]) && ($rankvalue[$choice->rankvalue] == ($i - 1))) ||
|
|
|
804 |
(empty($rankvalue) && ($choice->rankvalue == $i))) {
|
|
|
805 |
$n++;
|
|
|
806 |
if (!isset($ranks[$choice->content][$i])) {
|
|
|
807 |
$ranks[$choice->content][$i] = 0;
|
|
|
808 |
}
|
|
|
809 |
$ranks[$choice->content][$i] += $n;
|
|
|
810 |
} else if (!isset($ranks[$choice->content][$i])) {
|
|
|
811 |
$ranks[$choice->content][$i] = 0;
|
|
|
812 |
}
|
|
|
813 |
}
|
|
|
814 |
}
|
|
|
815 |
}
|
|
|
816 |
}
|
|
|
817 |
|
|
|
818 |
// Psettings for display.
|
|
|
819 |
$strtotal = '<strong>'.get_string('total', 'questionnaire').'</strong>';
|
|
|
820 |
$isna = $this->question->precise == 1;
|
|
|
821 |
$osgood = false;
|
|
|
822 |
if ($this->question->precise == 3) { // Osgood's semantic differential.
|
|
|
823 |
$osgood = true;
|
|
|
824 |
}
|
|
|
825 |
if ($this->question->precise == 1) {
|
|
|
826 |
$na = get_string('notapplicable', 'questionnaire');
|
|
|
827 |
} else {
|
|
|
828 |
$na = '';
|
|
|
829 |
}
|
|
|
830 |
$nameddegrees = 0;
|
|
|
831 |
$n = array();
|
|
|
832 |
foreach ($this->question->nameddegrees as $degree) {
|
|
|
833 |
$content = $degree;
|
|
|
834 |
$n[$nameddegrees] = format_text($content, FORMAT_HTML, ['noclean' => true]);
|
|
|
835 |
$nameddegrees++;
|
|
|
836 |
}
|
|
|
837 |
foreach ($this->question->choices as $choice) {
|
|
|
838 |
$contents = questionnaire_choice_values($choice->content);
|
|
|
839 |
if ($contents->modname) {
|
|
|
840 |
$choice->content = $contents->text;
|
|
|
841 |
}
|
|
|
842 |
}
|
|
|
843 |
|
|
|
844 |
$pagetags = new \stdClass();
|
|
|
845 |
$pagetags->totals = new \stdClass();
|
|
|
846 |
$pagetags->totals->headers = [];
|
|
|
847 |
if ($osgood) {
|
|
|
848 |
$align = 'right';
|
|
|
849 |
} else {
|
|
|
850 |
$align = 'left';
|
|
|
851 |
}
|
|
|
852 |
$pagetags->totals->headers[] = (object)['align' => $align,
|
|
|
853 |
'text' => '<span class="smalltext">'.get_string('responses', 'questionnaire').'</span>'];
|
|
|
854 |
|
|
|
855 |
// Display the column titles.
|
|
|
856 |
for ($j = 0; $j < $this->question->length; $j++) {
|
|
|
857 |
if (isset($n[$j])) {
|
|
|
858 |
$str = $n[$j];
|
|
|
859 |
} else {
|
|
|
860 |
$str = $j + 1;
|
|
|
861 |
}
|
|
|
862 |
$pagetags->totals->headers[] = (object)['align' => 'center', 'text' => '<span class="smalltext">'.$str.'</span>'];
|
|
|
863 |
}
|
|
|
864 |
if ($osgood) {
|
|
|
865 |
$pagetags->totals->headers[] = (object)['align' => 'left', 'text' => ''];
|
|
|
866 |
}
|
|
|
867 |
$pagetags->totals->headers[] = (object)['align' => 'center', 'text' => $strtotal];
|
|
|
868 |
if ($isrestricted) {
|
|
|
869 |
$pagetags->totals->headers[] = (object)['align' => 'center', 'text' => get_string('notapplicable', 'questionnaire')];
|
|
|
870 |
}
|
|
|
871 |
if ($na) {
|
|
|
872 |
$pagetags->totals->headers[] = (object)['align' => 'center', 'text' => $na];
|
|
|
873 |
}
|
|
|
874 |
|
|
|
875 |
// Now display the responses.
|
|
|
876 |
$pagetags->totals->choices = [];
|
|
|
877 |
foreach ($ranks as $content => $rank) {
|
|
|
878 |
$totalcols = [];
|
|
|
879 |
// Eliminate potential named degrees on Likert scale.
|
|
|
880 |
if (!preg_match("/^[0-9]{1,3}=/", $content)) {
|
|
|
881 |
// First display the list of degrees (named or un-named)
|
|
|
882 |
// number of NOT AVAILABLE responses for this possible answer.
|
|
|
883 |
$nbna = $this->counts[$content]->nbna;
|
|
|
884 |
// TOTAL number of responses for this possible answer.
|
|
|
885 |
$total = $this->counts[$content]->num;
|
|
|
886 |
$nbresp = '<strong>'.$total.'</strong>';
|
|
|
887 |
if ($osgood) {
|
|
|
888 |
// Ensure there are two bits of content.
|
|
|
889 |
list($content, $contentright) = array_merge(preg_split('/[|]/', $content), array(' '));
|
|
|
890 |
$header = reset($pagetags->totals->headers);
|
|
|
891 |
$totalcols[] = (object)['align' => $header->align,
|
|
|
892 |
'text' => format_text($content, FORMAT_HTML, ['noclean' => true])];
|
|
|
893 |
} else {
|
|
|
894 |
// Eliminate potentially short-named choices.
|
|
|
895 |
$contents = questionnaire_choice_values($content);
|
|
|
896 |
if ($contents->modname) {
|
|
|
897 |
$content = $contents->text;
|
|
|
898 |
}
|
|
|
899 |
$header = reset($pagetags->totals->headers);
|
|
|
900 |
$totalcols[] = (object)['align' => $header->align,
|
|
|
901 |
'text' => format_text($content, FORMAT_HTML, ['noclean' => true])];
|
|
|
902 |
}
|
|
|
903 |
// Display ranks/rates numbers.
|
|
|
904 |
$maxrank = max($rank);
|
|
|
905 |
for ($i = 1; $i <= $this->question->length; $i++) {
|
|
|
906 |
$percent = '';
|
|
|
907 |
if (isset($rank[$i])) {
|
|
|
908 |
$str = $rank[$i];
|
|
|
909 |
if ($total !== 0 && $str !== 0) {
|
|
|
910 |
$percent = ' (<span class="percent">'.number_format(($str * 100) / $total).'%</span>)';
|
|
|
911 |
}
|
|
|
912 |
// Emphasize responses with max rank value.
|
|
|
913 |
if ($str == $maxrank) {
|
|
|
914 |
$str = '<strong>'.$str.'</strong>';
|
|
|
915 |
}
|
|
|
916 |
} else {
|
|
|
917 |
$str = 0;
|
|
|
918 |
}
|
|
|
919 |
$header = next($pagetags->totals->headers);
|
|
|
920 |
$totalcols[] = (object)['align' => $header->align, 'text' => $str.$percent];
|
|
|
921 |
}
|
|
|
922 |
if ($osgood) {
|
|
|
923 |
$header = next($pagetags->totals->headers);
|
|
|
924 |
$totalcols[] = (object)['align' => $header->align,
|
|
|
925 |
'text' => format_text($contentright, FORMAT_HTML, ['noclean' => true])];
|
|
|
926 |
}
|
|
|
927 |
$header = next($pagetags->totals->headers);
|
|
|
928 |
$totalcols[] = (object)['align' => $header->align, 'text' => $nbresp];
|
|
|
929 |
if ($isrestricted) {
|
|
|
930 |
$header = next($pagetags->totals->headers);
|
|
|
931 |
$totalcols[] = (object)['align' => $header->align, 'text' => $nbresponses - $total];
|
|
|
932 |
}
|
|
|
933 |
if (!$osgood) {
|
|
|
934 |
if ($na) {
|
|
|
935 |
$header = next($pagetags->totals->headers);
|
|
|
936 |
$totalcols[] = (object)['align' => $header->align, 'text' => $nbna];
|
|
|
937 |
}
|
|
|
938 |
}
|
|
|
939 |
} // End named degrees.
|
|
|
940 |
$pagetags->totals->choices[] = (object)['totalcols' => $totalcols];
|
|
|
941 |
}
|
|
|
942 |
return $pagetags;
|
|
|
943 |
}
|
|
|
944 |
|
|
|
945 |
/**
|
|
|
946 |
* Sorting function for ascending.
|
|
|
947 |
* @param \stdClass $a
|
|
|
948 |
* @param \stdClass $b
|
|
|
949 |
* @return int
|
|
|
950 |
*/
|
|
|
951 |
private static function sortavgasc($a, $b) {
|
|
|
952 |
if (isset($a->avg) && isset($b->avg)) {
|
|
|
953 |
if ( $a->avg < $b->avg ) {
|
|
|
954 |
return -1;
|
|
|
955 |
} else if ($a->avg > $b->avg ) {
|
|
|
956 |
return 1;
|
|
|
957 |
} else {
|
|
|
958 |
return 0;
|
|
|
959 |
}
|
|
|
960 |
}
|
|
|
961 |
}
|
|
|
962 |
|
|
|
963 |
/**
|
|
|
964 |
* Sorting function for descending.
|
|
|
965 |
* @param \stdClass $a
|
|
|
966 |
* @param \stdClass $b
|
|
|
967 |
* @return int
|
|
|
968 |
*/
|
|
|
969 |
private static function sortavgdesc($a, $b) {
|
|
|
970 |
if (isset($a->avg) && isset($b->avg)) {
|
|
|
971 |
if ( $a->avg > $b->avg ) {
|
|
|
972 |
return -1;
|
|
|
973 |
} else if ($a->avg < $b->avg) {
|
|
|
974 |
return 1;
|
|
|
975 |
} else {
|
|
|
976 |
return 0;
|
|
|
977 |
}
|
|
|
978 |
}
|
|
|
979 |
}
|
|
|
980 |
}
|