protected function questionViewIsVisible(InquisitionInquisitionQuestionBinding $question_binding)
{
$question_view_visible = true;
// If the question view is dependent on other options, check to make
// sure all dependent options are available and selected.
if (count($question_binding->getDependentOptions()) > 0) {
foreach ($question_binding->getDependentOptions() as $option) {
// Check to make sure the dependent view exists. If
// InquisitionQuestion.enabled has been set to false, it will
// not exist in the available question views.
if (isset($this->question_views[$option['binding']])) {
$view = $this->question_views[$option['binding']];
$values = $view->getResponseValue();
if (!is_array($values)) {
$values = array($values);
}
// If no dependent option is selected then this will
// remain false and the question will not be shown.
$option_selected = false;
foreach ($values as $value) {
$selected = $value->getInternalValue('question_option');
foreach ($option['options'] as $dependent) {
// Only one option per question must be selected
// for the dependecy to be fulfilled.
$option_selected = $selected === $dependent || $option_selected;
}
}
// Each question this question depends on must have one
// of its dependent options selected.
$question_view_visible = $question_view_visible && $option_selected;
}
}
}
return $question_view_visible;
}
