public function testIteratorAggregateCollection()
{
$array = $this->getArrayData();
$iterator = new \ArrayIterator($array);
$data = new DelegatingIterator($iterator);
$collection = new Collection($data);
$this->assertSame($iterator, $collection->getRaw());
$this->assertEquals($array[0], $collection->getPeek()->getRaw());
$this->assertEquals($array[0], $collection->next()->getRaw());
$this->assertEquals($array[1], $collection->next()->getRaw());
$this->assertEquals($array[2], $collection->getPeek()->getRaw());
$collection->rewind();
$this->assertEquals($array[0], $collection->next()->getRaw());
}
/**
* {@inheritdoc}
*/
public function createGrid(Collection $collection, array $options = array())
{
$extensions = $this->getExtensions();
$grid = new Grid();
// options resolution
$resolver = new OptionsResolver();
foreach ($extensions as $extension) {
$extension->configure($resolver);
}
$options = $resolver->resolve($options);
// schema building
$schema = null;
$entity = $collection->getPeek();
foreach ($extensions as $extension) {
$schema = $extension->guessSchema($entity, $options);
if (null !== $schema) {
break;
}
}
if (null === $schema) {
throw ConfigurationException::schemaNotFound(array_keys($this->extensions));
}
$schema->bind($this, $grid);
foreach ($extensions as $extension) {
$extension->buildSchema($schema, $collection, $options);
}
// grid building
foreach ($extensions as $extension) {
$extension->buildGrid($grid, $schema, $collection, $options);
}
foreach ($extensions as $extension) {
$extension->visit($grid, $options);
}
return $grid;
}
