private function handleChoiceListValues(ChoiceListInterface $choiceList)
{
$choices = array();
foreach (array($choiceList->getPreferredViews(), $choiceList->getRemainingViews()) as $viewList) {
$choices = array_merge($choices, $this->handleChoiceViewsHierarchy($viewList));
}
return $choices;
}
/**
* {@inheritdoc}
*/
public function createView(ChoiceListInterface $list, $preferredChoices = null, $label = null, $index = null, $groupBy = null, $attr = null)
{
// Backwards compatibility
if ($list instanceof LegacyChoiceListInterface && empty($preferredChoices) && null === $label && null === $index && null === $groupBy && null === $attr) {
$mapToNonLegacyChoiceView = function (LegacyChoiceView $choiceView) {
return new ChoiceView($choiceView->label, $choiceView->value, $choiceView->data);
};
return new ChoiceListView(array_map($mapToNonLegacyChoiceView, $list->getRemainingViews()), array_map($mapToNonLegacyChoiceView, $list->getPreferredViews()));
}
$preferredViews = array();
$otherViews = array();
$choices = $list->getChoices();
$values = $list->getValues();
if (!is_callable($preferredChoices) && !empty($preferredChoices)) {
$preferredChoices = function ($choice) use($preferredChoices) {
return false !== array_search($choice, $preferredChoices, true);
};
}
// The names are generated from an incrementing integer by default
if (null === $index) {
$index = 0;
}
// If $groupBy is not given, no grouping is done
if (empty($groupBy)) {
foreach ($choices as $key => $choice) {
self::addChoiceView($choice, $key, $label, $values, $index, $attr, $preferredChoices, $preferredViews, $otherViews);
}
return new ChoiceListView($otherViews, $preferredViews);
}
// If $groupBy is a callable, choices are added to the group with the
// name returned by the callable. If the callable returns null, the
// choice is not added to any group
if (is_callable($groupBy)) {
foreach ($choices as $key => $choice) {
self::addChoiceViewGroupedBy($groupBy, $choice, $key, $label, $values, $index, $attr, $preferredChoices, $preferredViews, $otherViews);
}
} else {
// If $groupBy is passed as array, use that array as template for
// constructing the groups
self::addChoiceViewsGroupedBy($groupBy, $label, $choices, $values, $index, $attr, $preferredChoices, $preferredViews, $otherViews);
}
// Remove any empty group view that may have been created by
// addChoiceViewGroupedBy()
foreach ($preferredViews as $key => $view) {
if ($view instanceof ChoiceGroupView && 0 === count($view->choices)) {
unset($preferredViews[$key]);
}
}
foreach ($otherViews as $key => $view) {
if ($view instanceof ChoiceGroupView && 0 === count($view->choices)) {
unset($otherViews[$key]);
}
}
return new ChoiceListView($otherViews, $preferredViews);
}