Files
iTop/sources/Forms/Dependency/DependencyHandler.php

172 lines
5.3 KiB
PHP

<?php
//
//namespace Combodo\iTop\Forms\Dependency;
//
//use Exception;
//use Symfony\Component\Form\Event\PostSetDataEvent;
//use Symfony\Component\Form\Event\PostSubmitEvent;
//use Symfony\Component\Form\FormBuilderInterface;
//use Symfony\Component\Form\FormEvent;
//use Symfony\Component\Form\FormEvents;
//use Symfony\Component\Form\FormInterface;
//
//class DependencyHandler
//{
// /** @var array dépendencies descriptions stored on builder add */
// private array $aDependenciesDescription = [];
//
// /** @var array dependencies map computed on form pre set data */
// private array $aDependenciesMap = [];
//
// /**
// * Constructor.
// *
// * @param FormBuilderInterface $builder
// */
// public function __construct(public FormBuilderInterface $builder)
// {
// // Initialize the dependencies listeners once the form is built
// $builder->addEventListener(FormEvents::PRE_SET_DATA, function (FormEvent $event) {
// $oForm = $event->getForm();
// $this->InitializeDependenciesMap($oForm);
// });
// }
//
// /**
// *Initialize the dependencies map and register listeners on the dependencies inputs.
// *
// * @param FormInterface $oForm
// *
// * @return void
// */
// private function InitializeDependenciesMap(FormInterface $oForm): void
// {
//
// /** iterate throw dependencies descriptions... @var DependencyDescription $oDependencyDescription */
// foreach ($this->aDependenciesDescription as $oDependencyDescription) {
//
// /** iterate throw dependencies items... */
// foreach ($oDependencyDescription->aDependencies as $sInput => $aData) {
//
// // get the dependency field name
// $sDependency = $aData['source'];
//
// // get the field input name
// $sOutput = array_key_exists('output', $aData) ? $aData['output'] : null;
//
// // add the dependency to the map
// if(!array_key_exists($sDependency, $this->aDependenciesMap)){
// $this->aDependenciesMap[$sDependency] = [];
// }
// $this->aDependenciesMap[$sDependency][] = ['description' => $oDependencyDescription, 'input' => $sInput, 'output' => $sOutput];
// }
// }
//
// /** iterate throw dependencies... */
// foreach (array_keys($this->aDependenciesMap) as $sDependency){
//
// // Listen the dependency
// $this->builder->get($sDependency)->addEventListener(FormEvents::POST_SET_DATA, $this->GetEventListeningCallback());
// $this->builder->get($sDependency)->addEventListener(FormEvents::POST_SUBMIT, $this->GetEventListeningCallback());
// }
//
// }
//
// /**
// * Add a dependency description.
// *
// * @param DependencyDescription $oDependencyDescription
// *
// * @return void
// */
// public function AddDependencyDescription(DependencyDescription $oDependencyDescription): void
// {
// $this->aDependenciesDescription[] = $oDependencyDescription;
// }
//
// /**
// * The event handling callback.
// *
// * @return callable
// */
// private function GetEventListeningCallback(): callable
// {
// return function (FormEvent $event){
//
// // Get the event type
// $sEventType = $this->GetEventType($event);
//
// // Get the form
// $oForm = $event->getForm();
//
// /** Iterate throw dependencies map... */
// foreach ($this->aDependenciesMap[$event->getForm()->getName()] as $aData){
//
// // Get the map data
// $oDependencyDescription = $aData['description'];
// $sInput = $aData['input'];
// $sOutput = $aData['output'];
//
// // Compute output value
// $oValue = $event->getData();
// if(array_key_exists('outputs', $event->getForm()->getConfig()->getOptions())){
// $aOutputs = $event->getForm()->getConfig()->getOptions()['outputs'];
// if(array_key_exists($sOutput, $aOutputs)){
// $oValue = $aOutputs[$sOutput]($oValue);
// }
// }
//
// // Store the input value
// $oDependencyDescription->SetData($sEventType, $sInput, $oValue);
//
// // When dependencies met, add the dependent field if not already done
// if(!$oDependencyDescription->IsAdded() && $oDependencyDescription->IsDataReady($sEventType)) {
//
// // Get the dependent field options
// $aOptions = $oDependencyDescription->options;
//
// // Add the listener callback to the dependent field if it is also a dependency for another field
// if(is_string($oDependencyDescription->child) && array_key_exists($oDependencyDescription->child, $this->aDependenciesMap)) {
// $aOptions = array_merge($aOptions, [
// 'listener_callback' => $this->GetEventListeningCallback(),
// ]);
// }
//
// // Add the dependent field to the form
// $oForm->getParent()->add($oDependencyDescription->child, $oDependencyDescription->type, array_merge($aOptions, $oDependencyDescription->type::GetOptionsFromInputs($oDependencyDescription->GetData($sEventType))));
//
// // Mark the dependency as added
// $oDependencyDescription->SetAdded(true);
// }
// }
//
// };
//
// }
//
// /**
// * Get the event type.
// *
// * @param FormEvent $event
// *
// * @return string
// * @throws Exception
// */
// private function GetEventType(FormEvent $event): string
// {
// if($event instanceof PostSetDataEvent) {
// return FormEvents::POST_SET_DATA;
// }
// else if($event instanceof PostSubmitEvent) {
// return FormEvents::POST_SUBMIT;
// }
//
// throw new Exception(sprintf("Unknown event type %s", get_class($event)));
// }
//
//
//
//
//
//
//}