* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Form\Extension\DataCollector; use Symfony\Component\Form\FormInterface; use Symfony\Component\Form\FormView; use Symfony\Component\HttpKernel\DataCollector\Util\ValueExporter; /** * Default implementation of {@link FormDataExtractorInterface}. * * @since 2.4 * @author Bernhard Schussek */ class FormDataExtractor implements FormDataExtractorInterface { /** * @var ValueExporter */ private $valueExporter; /** * Constructs a new data extractor. */ public function __construct(ValueExporter $valueExporter = null) { $this->valueExporter = $valueExporter ?: new ValueExporter(); } /** * {@inheritdoc} */ public function extractConfiguration(FormInterface $form) { $data = array( 'id' => $this->buildId($form), 'type' => $form->getConfig()->getType()->getName(), 'type_class' => get_class($form->getConfig()->getType()->getInnerType()), 'synchronized' => $this->valueExporter->exportValue($form->isSynchronized()), 'passed_options' => array(), 'resolved_options' => array(), ); foreach ($form->getConfig()->getAttribute('data_collector/passed_options', array()) as $option => $value) { $data['passed_options'][$option] = $this->valueExporter->exportValue($value); } foreach ($form->getConfig()->getOptions() as $option => $value) { $data['resolved_options'][$option] = $this->valueExporter->exportValue($value); } ksort($data['passed_options']); ksort($data['resolved_options']); return $data; } /** * {@inheritdoc} */ public function extractDefaultData(FormInterface $form) { $data = array( 'default_data' => array( 'norm' => $this->valueExporter->exportValue($form->getNormData()), ), 'submitted_data' => array(), ); if ($form->getData() !== $form->getNormData()) { $data['default_data']['model'] = $this->valueExporter->exportValue($form->getData()); } if ($form->getViewData() !== $form->getNormData()) { $data['default_data']['view'] = $this->valueExporter->exportValue($form->getViewData()); } return $data; } /** * {@inheritdoc} */ public function extractSubmittedData(FormInterface $form) { $data = array( 'submitted_data' => array( 'norm' => $this->valueExporter->exportValue($form->getNormData()), ), 'errors' => array(), ); if ($form->getViewData() !== $form->getNormData()) { $data['submitted_data']['view'] = $this->valueExporter->exportValue($form->getViewData()); } if ($form->getData() !== $form->getNormData()) { $data['submitted_data']['model'] = $this->valueExporter->exportValue($form->getData()); } foreach ($form->getErrors() as $error) { $data['errors'][] = array( 'message' => $error->getMessage(), ); } $data['synchronized'] = $this->valueExporter->exportValue($form->isSynchronized()); return $data; } /** * {@inheritdoc} */ public function extractViewVariables(FormView $view) { $data = array(); // Set the ID in case no FormInterface object was collected for this // view if (isset($view->vars['id'])) { $data['id'] = $view->vars['id']; } foreach ($view->vars as $varName => $value) { $data['view_vars'][$varName] = $this->valueExporter->exportValue($value); } ksort($data['view_vars']); return $data; } /** * Recursively builds an HTML ID for a form. * * @param FormInterface $form The form * * @return string The HTML ID */ private function buildId(FormInterface $form) { $id = $form->getName(); if (null !== $form->getParent()) { $id = $this->buildId($form->getParent()).'_'.$id; } return $id; } }