/**
* Get an instance of this class.
*
* @return GFQuiz
*/
public static function get_instance()
{
if (self::$_instance == null) {
self::$_instance = new GFQuiz();
}
return self::$_instance;
}
<?php
/**
* Display Gravity Forms Quiz output
*
* @package GravityView
* @subpackage GravityView/templates/fields
*/
$gravityview_view = GravityView_View::getInstance();
$field = $gravityview_view->getCurrentField();
// If there's no grade, don't continue
if (gv_empty($field['value'])) {
return;
}
if (!class_exists('GFQuiz')) {
do_action('gravityview_log_error', __FILE__ . ': GFQuiz class does not exist.');
return;
}
// Get the setting for show/hide explanation
$show_answer = rgars($field, 'field_settings/quiz_show_explanation');
// Update the quiz field so GF generates the output properly
$field['field']->gquizShowAnswerExplanation = !empty($show_answer);
// Generate the output
echo GFQuiz::get_instance()->display_quiz_on_entry_detail($field['value'], $field['field'], $field['entry'], $field['form']);
function gf_quiz()
{
return GFQuiz::get_instance();
}
private static function get_quiz_overalls($form)
{
/* we need to tap into functions GF Quiz has so only run if it is active */
if (class_exists('GFQuiz')) {
/* GFQuiz is a singleton. Get the instance */
$quiz = GFQuiz::get_instance();
/* create our callback to add additional data to the array specific to the quiz plugin */
$options['callbacks']['calculation'] = array($quiz, 'results_calculation');
$fields = self::get_related_fields($form["fields"], 'quiz');
$quiz_results = self::get_addon_global_data($form, $options, $fields);
return $quiz_results;
}
return array(__('Activate Gravity Forms Quiz Add On to see global quiz statistics for this form', 'pdfextended'));
}
<?php
/**
* Display Gravity Forms Quiz value Pass/Fail
*
* @package GravityView
* @subpackage GravityView/templates/fields
*/
$gravityview_view = GravityView_View::getInstance();
$field = $gravityview_view->getCurrentField();
// If there's no grade, don't continue
if (empty($field['value'])) {
return;
}
if (class_exists('GFQuiz') && $gravityview_view->getCurrentFieldSetting('quiz_use_max_score')) {
$max_score = GFQuiz::get_instance()->get_max_score($gravityview_view->getForm());
printf('%d/%d', $field['value'], $max_score);
} else {
echo $field['value'];
}
public static function display_export_field_value($value, $form_id, $field_id, $lead)
{
$quiz = GFQuiz::get_instance();
return $quiz->display_entries_field_value($value, $form_id, $field_id, $lead);
}