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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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/**
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* Class for numerical text response types.
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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 numericaltext extends text {
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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 $question
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* @return array \mod_questionnaire\responsetype\answer\answer An array of answer objects.
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*/
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public static function answers_from_webform($responsedata, $question) {
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$answers = [];
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if (isset($responsedata->{'q'.$question->id}) && is_numeric($responsedata->{'q'.$question->id})) {
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$val = $responsedata->{'q' . $question->id};
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// Allow commas as well as points in decimal numbers.
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$val = str_replace(",", ".", $responsedata->{'q' . $question->id});
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$val = preg_replace("/[^0-9.\-]*(-?[0-9]*\.?[0-9]*).*/", '\1', $val);
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$record = new \stdClass();
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$record->responseid = $responsedata->rid;
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$record->questionid = $question->id;
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$record->value = $val;
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$answers[] = 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 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='', $anonymous=false) {
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if (is_array($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, $anonymous)) {
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$numrespondents = count($rids);
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$numresponses = count($rows);
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// Count identical answers (numeric questions only).
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$counts = [];
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foreach ($rows as $row) {
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if (!empty($row->response) || is_numeric($row->response)) {
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$textidx = clean_text($row->response);
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$counts[$textidx] = !empty($counts[$textidx]) ? ($counts[$textidx] + 1) : 1;
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}
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}
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$pagetags = $this->get_results_tags($counts, $numrespondents, $numresponses, $prtotal);
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} else {
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$pagetags = new \stdClass();
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}
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return $pagetags;
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}
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}
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