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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form;
/**
* To learn more about how form events work check the documentation
* entry at {@link https://symfony.com/doc/any/components/form/form_events.html}.
*
* To learn how to dynamically modify forms using events check the cookbook
* entry at {@link https://symfony.com/doc/any/cookbook/form/dynamic_form_modification.html}.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*/
final class FormEvents
{
/**
* The PRE_SUBMIT event is dispatched at the beginning of the Form::submit() method.
*
* It can be used to:
* - Change data from the request, before submitting the data to the form.
* - Add or remove form fields, before submitting the data to the form.
*
* @Event("Symfony\Component\Form\FormEvent")
*/
const PRE_SUBMIT = 'form.pre_bind';
/**
* The SUBMIT event is dispatched just before the Form::submit() method
* transforms back the normalized data to the model and view data.
*
* It can be used to change data from the normalized representation of the data.
*
* @Event("Symfony\Component\Form\FormEvent")
*/
const SUBMIT = 'form.bind';
/**
* The FormEvents::POST_SUBMIT event is dispatched after the Form::submit()
* once the model and view data have been denormalized.
*
* It can be used to fetch data after denormalization.
*
* @Event("Symfony\Component\Form\FormEvent")
*/
const POST_SUBMIT = 'form.post_bind';
/**
* The FormEvents::PRE_SET_DATA event is dispatched at the beginning of the Form::setData() method.
*
* It can be used to:
* - Modify the data given during pre-population;
* - Modify a form depending on the pre-populated data (adding or removing fields dynamically).
*
* @Event("Symfony\Component\Form\FormEvent")
*/
const PRE_SET_DATA = 'form.pre_set_data';
/**
* The FormEvents::POST_SET_DATA event is dispatched at the end of the Form::setData() method.
*
* This event is mostly here for reading data after having pre-populated the form.
*
* @Event("Symfony\Component\Form\FormEvent")
*/
const POST_SET_DATA = 'form.post_set_data';
private function __construct()
{
}
}