/**
* Adds a CSRF field to the root form view.
*
* @param FormView $view The form view
* @param FormInterface $form The form
*/
public function finishView(FormViewInterface $view, FormInterface $form, array $options)
{
if ($options['csrf_protection'] && !$view->hasParent() && $options['compound']) {
$factory = $form->getConfig()->getAttribute('csrf_factory');
$data = $options['csrf_provider']->generateCsrfToken($options['intention']);
$csrfForm = $factory->createNamed($options['csrf_field_name'], 'hidden', $data, array('mapped' => false));
$view->add($csrfForm->createView($view));
}
}
/**
* {@inheritdoc}
*/
public function buildView(FormViewInterface $view, FormInterface $form, array $options)
{
$name = $form->getName();
$blockName = $options['block_name'] ?: $form->getName();
$readOnly = $options['read_only'];
$translationDomain = $options['translation_domain'];
if ($view->hasParent()) {
if ('' === $name) {
throw new FormException('Form node with empty name can be used only as root form node.');
}
$parentView = $view->getParent();
if ('' !== ($parentFullName = $parentView->getVar('full_name'))) {
$id = sprintf('%s_%s', $parentView->getVar('id'), $name);
$fullName = sprintf('%s[%s]', $parentFullName, $name);
$fullBlockName = sprintf('%s_%s', $parentView->getVar('full_block_name'), $blockName);
} else {
$id = $name;
$fullName = $name;
$fullBlockName = '_' . $blockName;
}
// Complex fields are read-only if they themselves or their parents are.
if (!$readOnly) {
$readOnly = $parentView->getVar('read_only');
}
if (!$translationDomain) {
$translationDomain = $parentView->getVar('translation_domain');
}
} else {
$id = $name;
$fullName = $name;
$fullBlockName = '_' . $blockName;
// Strip leading underscores and digits. These are allowed in
// form names, but not in HTML4 ID attributes.
// http://www.w3.org/TR/html401/struct/global.html#adef-id
$id = ltrim($id, '_0123456789');
}
$types = array();
for ($type = $form->getConfig()->getType(); null !== $type; $type = $type->getParent()) {
array_unshift($types, $type->getName());
}
if (!$translationDomain) {
$translationDomain = 'messages';
}
$view->addVars(array('form' => $view, 'id' => $id, 'name' => $name, 'full_name' => $fullName, 'full_block_name' => $fullBlockName, 'read_only' => $readOnly, 'errors' => $form->getErrors(), 'valid' => $form->isBound() ? $form->isValid() : true, 'value' => $form->getViewData(), 'disabled' => $form->isDisabled(), 'required' => $form->isRequired(), 'max_length' => $options['max_length'], 'pattern' => $options['pattern'], 'size' => null, 'label' => $options['label'], 'multipart' => false, 'attr' => $options['attr'], 'label_attr' => $options['label_attr'], 'compound' => $form->getConfig()->getCompound(), 'types' => $types, 'translation_domain' => $translationDomain));
}
