protected function definition() { $mform = $this->_form; $mform->addElement('header', 'preferencespage', get_string('reportsettings', 'quiz_statistics')); $options = array(); foreach (array_keys(quiz_get_grading_options()) as $which) { $options[$which] = \quiz_statistics_calculator::using_attempts_lang_string($which); } $mform->addElement('select', 'whichattempts', get_string('calculatefrom', 'quiz_statistics'), $options); $mform->addElement('submit', 'submitbutton', get_string('preferencessave', 'quiz_overview')); }
/** * @param $course * @param $cm * @param $quiz * @return array to display in table or spreadsheet. */ public function get_formatted_quiz_info_data($course, $cm, $quiz) { // You can edit this array to control which statistics are displayed. $todisplay = array('firstattemptscount' => 'number', 'allattemptscount' => 'number', 'firstattemptsavg' => 'summarks_as_percentage', 'allattemptsavg' => 'summarks_as_percentage', 'lastattemptsavg' => 'summarks_as_percentage', 'highestattemptsavg' => 'summarks_as_percentage', 'median' => 'summarks_as_percentage', 'standarddeviation' => 'summarks_as_percentage', 'skewness' => 'number_format', 'kurtosis' => 'number_format', 'cic' => 'number_format_percent', 'errorratio' => 'number_format_percent', 'standarderror' => 'summarks_as_percentage'); // General information about the quiz. $quizinfo = array(); $quizinfo[get_string('quizname', 'quiz_statistics')] = format_string($quiz->name); $quizinfo[get_string('coursename', 'quiz_statistics')] = format_string($course->fullname); if ($cm->idnumber) { $quizinfo[get_string('idnumbermod')] = $cm->idnumber; } if ($quiz->timeopen) { $quizinfo[get_string('quizopen', 'quiz')] = userdate($quiz->timeopen); } if ($quiz->timeclose) { $quizinfo[get_string('quizclose', 'quiz')] = userdate($quiz->timeclose); } if ($quiz->timeopen && $quiz->timeclose) { $quizinfo[get_string('duration', 'quiz_statistics')] = format_time($quiz->timeclose - $quiz->timeopen); } // The statistics. foreach ($todisplay as $property => $format) { if (!isset($this->{$property}) || !$format) { continue; } $value = $this->{$property}; switch ($format) { case 'summarks_as_percentage': $formattedvalue = quiz_report_scale_summarks_as_percentage($value, $quiz); break; case 'number_format_percent': $formattedvalue = quiz_format_grade($quiz, $value) . '%'; break; case 'number_format': // 2 extra decimal places, since not a percentage, // and we want the same number of sig figs. $formattedvalue = format_float($value, $quiz->decimalpoints + 2); break; case 'number': $formattedvalue = $value + 0; break; default: $formattedvalue = $value; } $quizinfo[get_string($property, 'quiz_statistics', quiz_statistics_calculator::using_attempts_lang_string($this->whichattempts))] = $formattedvalue; } return $quizinfo; }