BeforeFormDefinitionCreatesEvent

This event is dispatched in the ExtendedArrayFormFactory and provide the possibility to manipulate the form configuration before FormDefinition class is created.

Attributes

formDefintionConfigArray

Type: array
Required: true

This is the configuration array of the form definition.

request

Type: ServerRequestInterface
Required: true

Attention

This attribute is readonly.

This is the current server request object.

renderedForms

Type: integer
Required: true

Attention

This attribute is readonly.

This is the count of rendered form on the current page.

Subscribe this event

First create an EventListener class in your Extension. It may look like this.

        EXT:my_extension/Classes/EventListeners/BeforeFormDefinitionCreatesEventListener.php
    

<?php
declare(strict_types=1);

namespace MY\MyExtension\EventListener;

use LIA\LiaForm\Event\BeforeFormDefinitionCreatesEvent;

final class BeforeFormDefinitionCreatesEventListener {

    /**
    * Manipulate the form configuration by a custom logic.
    *
    * @param BeforeFormDefinitionCreatesEvent $event
    * @return void
    */
    public function __invoke(BeforeFormDefinitionCreatesEvent $event): void
    {
        // do some crazy stuff ...

        $event->setFormDefinitionConfigArray($formconfiguration);
    }
}

Now register this EventListener in your Services.yaml.

EXT:my_extension/Configuration/Services.yaml

MY\MyExtension\EventListener\BeforeFormDefinitionCreatesEventListener:
  tags:
    - name: event.listener
      identifier: 'my-extension/before-form-definition-creates-event'
      event: LIA\LiaForm\Event\BeforeFormDefinitionCreatesEvent