Files
iTop/sources/Forms/FormBuilder/DependencyHandler.php
2025-10-24 08:35:10 +02:00

101 lines
2.6 KiB
PHP

<?php
/*
* @copyright Copyright (C) 2010-2025 Combodo SARL
* @license http://opensource.org/licenses/AGPL-3.0
*/
namespace Combodo\iTop\Forms\FormBuilder;
use Symfony\Component\Form\Event\PostSetDataEvent;
use Symfony\Component\Form\Event\PostSubmitEvent;
use Symfony\Component\Form\FormEvent;
use Symfony\Component\Form\FormEvents;
use Symfony\Component\Form\FormInterface;
/**
* Dependencies handler.
*
*/
class DependencyHandler
{
/** @var FormBuilder form builder */
private FormBuilder $oFormBuilder;
/** @var array dependant blocks */
private array $aDependentBlocks;
/** @var DependencyMap dependencies map */
private DependencyMap $aDependenciesMap;
/**
* Constructor.
*
* @param FormBuilder $oFormBuilder
* @param array $aDependentBlocks
*/
public function __construct(FormBuilder $oFormBuilder, array $aDependentBlocks)
{
$this->aDependentBlocks = $aDependentBlocks;
$this->oFormBuilder = $oFormBuilder;
// add form ready listener
$this->AddFormReadyListener();
}
/**
* Add form ready listener.
*
* Listen the form PRE_SET_DATA
* First event from Symfony framework, we know that the form is built at this step.
*
* @return void
*/
private function AddFormReadyListener(): void
{
// Initialize the dependencies listeners once the form is built
$this->oFormBuilder->addEventListener(FormEvents::PRE_SET_DATA, function (FormEvent $event) {
// dependencies map
$this->aDependenciesMap = new DependencyMap($this->aDependentBlocks);
/** Iterate throw listened blocks */
foreach ($this->aDependenciesMap->GetListenedBlockNames() as $sOutputBlockName) {
// Listen the output block POST_SET_DATA & POST_SUBMIT
$this->oFormBuilder->get($sOutputBlockName)->addEventListener(FormEvents::POST_SET_DATA, $this->GetEventListeningCallback());
$this->oFormBuilder->get($sOutputBlockName)->addEventListener(FormEvents::POST_SUBMIT, $this->GetEventListeningCallback());
}
});
}
/**
* Get the listening callback.
*
* @return callable
*/
private function GetEventListeningCallback(): callable
{
return function (FormEvent $oEvent) {
// Get the event type
$sEventType = FormHelper::GetEventType($oEvent);
// Get the form
$oForm = $oEvent->getForm();
/** Iterate throw dependencies map... */
$sOutputBlockName = $oForm->getName();
$oOutputBlock = $this->oFormBuilder->GetFormBlock($sOutputBlockName);
foreach ($this->aDependenciesMap->GetOutputsForBlock($sOutputBlockName) as $sOutputName) {
$oOutput = $oOutputBlock->GetOutput($sOutputName);
$oOutput->UpdateOutputValue($oEvent->getData(), $sEventType);
}
return;
};
}
}