/**
* @param ChoiceControl|MultiChoiceControl $control
* @param IControlConfig $config
* @param NULL|array $items
* @return NULL|array
* @throws \NForms\Exceptions\InvalidArgumentException
* @throws \NForms\Exceptions\UnexpectedTypeException
*/
public function processItems($control, IControlConfig $config, $items = NULL)
{
// Check type
if (!$control instanceof ChoiceControl && !$control instanceof MultiChoiceControl) {
throw new UnexpectedTypeException("Control has to be ChoiceControl or MultiChoiceControl.");
}
// Get items if not set
if ($items === NULL) {
if (($callback = $config->getOption(IControlConfig::ITEMS_CALLBACK)) !== NULL) {
if (!is_callable($callback)) {
throw new InvalidArgumentException("Invalid items callback.");
}
$items = call_user_func($callback, $control);
if (!is_array($items)) {
throw new UnexpectedTypeException("Result of items callback has to be array.");
}
} elseif ($items = $config->getOption(IControlConfig::ITEMS)) {
$items = $config->getOption(IControlConfig::ITEMS);
}
}
if (($targetClass = $config->getTargetClass()) !== NULL) {
$relatedMetadata = $this->classMetadataFactory->getMetadataFor($targetClass);
$itemTitle = $config->getOption(IControlConfig::ITEM_TITLE);
foreach ($items as $title => $item) {
if (is_object($item)) {
if (!is_a($item, $targetClass)) {
throw new UnexpectedTypeException("Expected {$targetClass}, given " . get_class($item));
}
unset($items[$title]);
if ($itemTitle) {
if (is_callable($itemTitle)) {
$title = call_user_func($itemTitle, $item);
} else {
//$title = $relatedMetadata->getFieldValue($item, $itemTitle);
$title = $item->{$itemTitle};
}
}
$items[$relatedMetadata->getId($item)] = $title;
}
}
}
if (is_array($items)) {
foreach ($items as $key => $value) {
if (is_int($key)) {
unset($items[$key]);
$items[$value] = $value;
}
}
}
return $items;
}
