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/Symfony 4.1

ResizeFormListener

class ResizeFormListener implements EventSubscriberInterface

Resize a collection form element based on the data sent from the client.

Properties

protected $type
protected $options
protected $allowAdd
protected $allowDelete

Methods

__construct(string $type, array $options = array(), bool $allowAdd = false, bool $allowDelete = false, bool|callable $deleteEmpty = false)
static array getSubscribedEvents()

Returns an array of event names this subscriber wants to listen to.

preSetData(FormEvent $event)
preSubmit(FormEvent $event)
onSubmit(FormEvent $event)

Details

__construct(string $type, array $options = array(), bool $allowAdd = false, bool $allowDelete = false, bool|callable $deleteEmpty = false)

Parameters

string $type
array $options
bool $allowAdd Whether children could be added to the group
bool $allowDelete Whether children could be removed from the group
bool|callable $deleteEmpty

static array getSubscribedEvents()

Returns an array of event names this subscriber wants to listen to.

The array keys are event names and the value can be:

  • The method name to call (priority defaults to 0)
  • An array composed of the method name to call and the priority
  • An array of arrays composed of the method names to call and respective priorities, or 0 if unset

For instance:

  • array('eventName' => 'methodName')
  • array('eventName' => array('methodName', $priority))
  • array('eventName' => array(array('methodName1', $priority), array('methodName2')))

Return Value

array The event names to listen to

preSetData(FormEvent $event)

Parameters

FormEvent $event

preSubmit(FormEvent $event)

Parameters

FormEvent $event

onSubmit(FormEvent $event)

Parameters

FormEvent $event