Classes List

Symfony\Component\Form\FormEvents

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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()
    {
    }
}