/** * {@inheritdoc} */ public function add($child, $type = null, array $options = array()) { if ($this->submitted) { throw new AlreadySubmittedException('You cannot add children to a submitted form'); } if (!$this->config->getCompound()) { throw new LogicException('You cannot add children to a simple form. Maybe you should set the option "compound" to true?'); } // Obtain the view data $viewData = null; // If setData() is currently being called, there is no need to call // mapDataToForms() here, as mapDataToForms() is called at the end // of setData() anyway. Not doing this check leads to an endless // recursion when initializing the form lazily and an event listener // (such as ResizeFormListener) adds fields depending on the data: // // * setData() is called, the form is not initialized yet // * add() is called by the listener (setData() is not complete, so // the form is still not initialized) // * getViewData() is called // * setData() is called since the form is not initialized yet // * ... endless recursion ... // // Also skip data mapping if setData() has not been called yet. // setData() will be called upon form initialization and data mapping // will take place by then. if (!$this->lockSetData && $this->defaultDataSet && !$this->config->getInheritData()) { $viewData = $this->getViewData(); } if (!$child instanceof FormInterface) { if (!is_string($child) && !is_int($child)) { throw new UnexpectedTypeException($child, 'string, integer or Symfony\\Component\\Form\\FormInterface'); } if (null !== $type && !is_string($type) && !$type instanceof FormTypeInterface) { throw new UnexpectedTypeException($type, 'string or Symfony\\Component\\Form\\FormTypeInterface'); } // Never initialize child forms automatically $options['auto_initialize'] = false; if (null === $type && null === $this->config->getDataClass()) { $type = 'Symfony\\Component\\Form\\Extension\\Core\\Type\\TextType'; } if (null === $type) { $child = $this->config->getFormFactory()->createForProperty($this->config->getDataClass(), $child, null, $options); } else { $child = $this->config->getFormFactory()->createNamed($child, $type, null, $options); } } elseif ($child->getConfig()->getAutoInitialize()) { throw new RuntimeException(sprintf('Automatic initialization is only supported on root forms. You ' . 'should set the "auto_initialize" option to false on the field "%s".', $child->getName())); } $this->children[$child->getName()] = $child; $child->setParent($this); if (!$this->lockSetData && $this->defaultDataSet && !$this->config->getInheritData()) { $iterator = new InheritDataAwareIterator(new \ArrayIterator(array($child->getName() => $child))); $iterator = new \RecursiveIteratorIterator($iterator); $this->config->getDataMapper()->mapDataToForms($viewData, $iterator); } return $this; }
public function __construct(FormConfigInterface $config) { if ($config->getCompound() && !$config->getDataMapper()) { throw new LogicException('Compound forms need a data mapper'); } if ($config->getInheritData()) { $this->defaultDataSet = true; } $this->config = $config; $this->children = new OrderedHashMap(); }