/**
* Create complexAttributes objects depends on bag content
*
* @return array Array of ComplexAttribute objects
*/
public function getComplexAttributes(AttributeBag $bag)
{
$complexAttributes = array();
if ($this->complexAttributeFactory !== null) {
foreach ($bag->getAll() as $id => $parameters) {
if (!isset($parameters['name'])) {
throw new InvalidArgumentException('"name" attribute is required.');
}
$name = $parameters['name'];
unset($parameters['name']);
$complexAttribute = $this->complexAttributeFactory->create($name, $parameters);
if (!$complexAttribute->isEmpty()) {
$complexAttributes[] = $complexAttribute;
}
}
}
return $complexAttributes;
}
/**
* @test
*/
public function mergeBags()
{
$bags = array();
$expected = array();
for ($i = 0; $i < 10; $i++) {
$bag = new AttributeBag();
$attributes = array('someName' . $i => $i, 'anotherSomeName' . $i => $i);
foreach ($attributes as $name => $value) {
$bag->add($name, $value);
}
$bags[] = $bag;
$expected = array_merge($attributes, $expected);
}
$bag = AttributeBag::merge($bags);
$this->assertEquals($expected, $bag->getAll());
}
/**
* Marge couple of BagContainers into one object.
*
* Result of merging always is BagContainer.
*
* @param array $containers
* @return BagContainer Result of merging
*/
public static function merge(array $containers)
{
$attributeBags = array();
$weight = 0;
foreach ($containers as $container) {
$weight = max($weight, $container->getWeight());
$attributeBags[] = $container->getAttributeBag();
}
$container = new static();
$container->attributeBag = AttributeBag::merge($attributeBags);
$container->weight = $weight;
return $container;
}
