public function process(FormRuleProcessorContext $context, FormRuleContextBuilder $collection)
{
$form = $context->getForm();
$formConfig = $form->getConfig();
if (!$formConfig->getCompound()) {
return;
}
$transformer = $this->findTransformer($formConfig, 'Symfony\\Component\\Form\\Extension\\Core\\DataTransformer\\ValueToDuplicatesTransformer');
if ($transformer === null) {
return;
}
$keys = $this->getKeys($transformer);
if (empty($keys)) {
return;
}
$formView = $context->getView();
// Use children here since we need the full_name
$primary = array_shift($keys);
$primaryView = $formView->children[$primary];
// Copy all rules to the first child/key element
$ruleCollection = $collection->get($formView);
if (!empty($ruleCollection)) {
$collection->add($primaryView, $ruleCollection);
}
$collection->remove($formView);
// Get correct error message if one is set.
$invalidMessage = $this->getFormRuleMessage($formConfig);
// Create equalTo rules for all other fields
$equalToPrimaryRule = new TransformerRule('equalTo', FormHelper::generateCssSelector($primaryView), $invalidMessage, array(new FieldDependency($primaryView)));
foreach ($keys as $childName) {
$childCollection = new RuleCollection();
$childCollection->set('equalTo', $equalToPrimaryRule);
$collection->add($formView->children[$childName], $childCollection);
}
}
private function cleanChildRules(FormView $childView, FormRuleContextBuilder $formRuleContext)
{
$rules = $formRuleContext->get($childView);
if ($rules === null) {
return;
}
// Don't remove transformer rules!
foreach ($rules as $name => $rule) {
if (!$rule instanceof ConstraintRule) {
continue;
}
$rules->remove($name);
}
if (empty($rules)) {
$formRuleContext->remove($childView);
}
}
protected function extractRules(FormRuleContextBuilder $formRuleContext, FormInterface $form, FormView $view)
{
$extracted = new FormRuleContextBuilder();
if ($form->getConfig()->getCompound()) {
$it = new \RecursiveIteratorIterator(new FormViewRecursiveIterator($view->getIterator()), \RecursiveIteratorIterator::SELF_FIRST);
$found = array();
foreach ($it as $childView) {
$found[] = FormHelper::getFormName($childView);
}
} else {
$found = array($view);
}
foreach ($found as $foundView) {
$rules = $formRuleContext->get($foundView);
if ($rules === null) {
continue;
}
$extracted->add($foundView, $rules);
$formRuleContext->remove($foundView);
}
return $extracted;
}
