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<?php
namespace FormBuilderBundle\EventSubscriber;
use FormBuilderBundle\Validator\Constraints\DynamicMultiFileNotBlank;
use FormBuilderBundle\Model\FieldDefinitionInterface;
use FormBuilderBundle\Model\FormFieldContainerDefinitionInterface;
use FormBuilderBundle\Model\FormFieldDefinitionInterface;
use FormBuilderBundle\Model\FormFieldDynamicDefinitionInterface;
use FormBuilderBundle\Configuration\Configuration;
use FormBuilderBundle\Form\Data\FormDataInterface;
use FormBuilderBundle\Event\Form\PostSetDataEvent;
use FormBuilderBundle\Event\Form\PreSetDataEvent;
use FormBuilderBundle\Event\Form\PreSubmitEvent;
use FormBuilderBundle\FormBuilderEvents;
use FormBuilderBundle\Validation\ConditionalLogic\Dispatcher\Dispatcher;
use FormBuilderBundle\Validation\ConditionalLogic\Dispatcher\Module\Data\DataInterface;
use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\Form\FormEvent;
use Symfony\Component\Form\FormEvents;
use Symfony\Component\Form\FormInterface;
use Symfony\Component\Form\FormRegistryInterface;
use Symfony\Component\Validator\Constraints\NotBlank;
class FormBuilderSubscriber implements EventSubscriberInterface
{
protected Configuration $configuration;
protected EventDispatcherInterface $eventDispatcher;
protected Dispatcher $dispatcher;
protected FormRegistryInterface $formRegistry;
private array $availableConstraints;
private array $availableFormTypes;
public function __construct(
Configuration $configuration,
EventDispatcherInterface $eventDispatcher,
Dispatcher $dispatcher,
FormRegistryInterface $formRegistry
) {
$this->configuration = $configuration;
$this->eventDispatcher = $eventDispatcher;
$this->dispatcher = $dispatcher;
$this->formRegistry = $formRegistry;
$this->availableConstraints = $this->configuration->getAvailableConstraints();
$this->availableFormTypes = $this->configuration->getConfig('types');
}
public static function getSubscribedEvents(): array
{
return [
FormEvents::PRE_SET_DATA => ['onPreSetData'],
FormEvents::POST_SET_DATA => ['onPostSetData'],
FormEvents::PRE_SUBMIT => ['onPreSubmit']
];
}
/**
* @throws \Exception
*/
public function getFormOptions(FormEvent $event): ?array
{
$form = $event->getForm();
if (!$form->has('formRuntimeData')) {
throw new \Exception('No runtime options in form found.');
}
$data = $form->get('formRuntimeData')->getData();
// remove legacy email config node.
if (isset($data['email'])) {
unset($data['email']);
}
return $data;
}
/**
* @throws \Exception
*/
public function onPreSetData(FormEvent $event): void
{
$preSetDataEvent = new PreSetDataEvent($event, $this->getFormOptions($event));
$this->eventDispatcher->dispatch($preSetDataEvent, FormBuilderEvents::FORM_PRE_SET_DATA);
}
/**
* @throws \Exception
*/
public function onPostSetData(FormEvent $event): void
{
$postSetDataEvent = new PostSetDataEvent($event, $this->getFormOptions($event));
$this->eventDispatcher->dispatch($postSetDataEvent, FormBuilderEvents::FORM_POST_SET_DATA);
$this->populateForm($event->getForm(), $event->getData());
}
/**
* @throws \Exception
*/
public function onPreSubmit(FormEvent $event): void
{
$preSubmitEvent = new PreSubmitEvent($event, $this->getFormOptions($event));
$this->eventDispatcher->dispatch($preSubmitEvent, FormBuilderEvents::FORM_PRE_SUBMIT);
$this->populateForm($event->getForm(), $event->getForm()->getData(), $event->getData());
}
/**
* @throws \Exception
*/
private function populateForm(FormInterface $form, FormDataInterface $formData, array $data = []): void
{
$orderedFields = $formData->getFormDefinition()->getFields();
usort($orderedFields, function (FieldDefinitionInterface $a, FieldDefinitionInterface $b) {
return ($a->getOrder() < $b->getOrder()) ? -1 : 1;
});
$data = $this->preFillData($orderedFields, $data);
$formRuntimeOptions = !$form->has('formRuntimeData') ? [] : $form->get('formRuntimeData')->getData();
$conditionalLogicBaseOptions = [
'formRuntimeOptions' => $formRuntimeOptions,
'conditionalLogic' => $formData->getFormDefinition()->getConditionalLogic()
];
foreach ($orderedFields as $field) {
if ($field instanceof FormFieldDynamicDefinitionInterface) {
$formTypeData = $this->addDynamicField($field);
$form->add($formTypeData['name'], $formTypeData['type'], $formTypeData['options']);
} elseif ($field instanceof FormFieldContainerDefinitionInterface) {
$conditionalLogicOptions = array_merge(['formData' => $data, 'field' => null], $conditionalLogicBaseOptions);
$formTypeData = $this->addFormBuilderContainerField($field, $conditionalLogicOptions);
$form->add($formTypeData['name'], $formTypeData['type'], $formTypeData['options']);
} else {
$conditionalLogicOptions = array_merge(['formData' => $data, 'field' => $field], $conditionalLogicBaseOptions);
$formTypeData = $this->addFormBuilderField($field, $conditionalLogicOptions);
$form->add($formTypeData['name'], $formTypeData['type'], $formTypeData['options']);
}
}
}
/**
* @throws \Exception
*/
private function addFormBuilderContainerField(FormFieldContainerDefinitionInterface $fieldContainer, array $conditionalLogicOptions): array
{
$fields = [];
foreach ($fieldContainer->getFields() as $subField) {
$fields[] = $this->addFormBuilderField($subField, array_merge($conditionalLogicOptions, ['field' => $subField]));
}
$typeClass = $this->configuration->getContainerFieldClass($fieldContainer->getSubType());
$configuration = $fieldContainer->getConfiguration();
$containerAttributes = $configuration['attr'] ?? [];
$containerClasses = ['formbuilder-container formbuilder-container-' . strtolower($fieldContainer->getSubType())];
if (isset($containerAttributes['class']) && is_string($containerAttributes['class'])) {
$containerClasses[] = $containerAttributes['class'];
}
// merge core and attributes class definition
$containerAttributes['class'] = implode(' ', $containerClasses);
// options enrichment: conditional logic class mapping
$conditionalContainerClassData = $this->dispatchConditionalLogicModule('form_type_classes', array_merge($conditionalLogicOptions, ['field' => $fieldContainer]));
if ($conditionalContainerClassData->hasData()) {
$attrDataTemplate = isset($containerAttributes['data-template']) ? [$containerAttributes['data-template']] : [];
$attrDataTemplate = array_merge($attrDataTemplate, $conditionalContainerClassData->getData());
$containerAttributes['data-template'] = implode(' ', $attrDataTemplate);
}
return [
'name' => $fieldContainer->getName(),
'type' => $typeClass,
'options' => [
'attr' => $containerAttributes,
'formbuilder_configuration' => $configuration,
'entry_options' => [
'fields' => $fields,
'container_type' => $fieldContainer->getSubType()
]
]
];
}
/**
* @throws \Exception
*/
private function addFormBuilderField(FormFieldDefinitionInterface $field, array $conditionalLogicOptions): array
{
$options = $field->getOptions();
$optional = $field->getOptional();
$object = $this->formRegistry->getType($this->availableFormTypes[$field->getType()]['class'])->getOptionsResolver();
$availableOptions = $object->getDefinedOptions();
$constraints = [];
$constraintNames = [];
$templateClasses = [];
// options enrichment: tweak preferred choice options
if (in_array($field->getType(), $this->getChoiceFieldTypes(), true)) {
if (isset($options['multiple']) && $options['multiple'] === false
&& isset($options['data'])
&& is_array($options['data'])
&& !empty($options['data'])
) {
$options['data'] = $options['data'][0];
}
}
// options enrichment: add constraints
if (in_array('constraints', $availableOptions)) {
$conditionalConstraintData = $this->dispatchConditionalLogicModule('constraints', $conditionalLogicOptions);
// add field constraints to data attribute since we need them for the frontend cl applier.
foreach ($field->getConstraints() as $constraint) {
$constraintNames[] = $constraint['type'];
}
if ($conditionalConstraintData->hasData()) {
$constraints = $conditionalConstraintData->getData();
$options['constraints'] = $constraints;
}
}
$options['attr']['data-initial-constraints'] = join(',', $constraintNames);
// options enrichment: check required state
if (in_array('required', $availableOptions)) {
$options['required'] = count(
array_filter($constraints, function ($constraint) {
return $constraint instanceof NotBlank || $constraint instanceof DynamicMultiFileNotBlank;
})
) === 1;
}
// options enrichment: check for custom radio / checkbox layout
if ($this->configuration->getConfigFlag('use_custom_radio_checkbox') === true) {
if (in_array('label_attr', $availableOptions)) {
if ($field->getType() === 'checkbox') {
$options['label_attr'] = ['class' => 'checkbox-custom'];
} elseif (in_array($field->getType(), $this->getChoiceFieldTypes())) {
if (isset($options['expanded']) && $options['expanded'] === true) {
$options['label_attr'] = ['class' => $options['multiple'] === true ? 'checkbox-custom' : 'radio-custom'];
}
}
}
}
// options enrichment: set template
if (isset($optional['template'])) {
$templateClasses[] = $optional['template'];
}
// options enrichment: conditional logic class mapping
$conditionalClassData = $this->dispatchConditionalLogicModule('form_type_classes', $conditionalLogicOptions);
if ($conditionalClassData->hasData()) {
$templateClasses = array_merge($templateClasses, $conditionalClassData->getData());
}
if (!empty($templateClasses)) {
$options['attr']['data-template'] = implode(' ', $templateClasses);
}
return [
'name' => $field->getName(),
'type' => $this->availableFormTypes[$field->getType()]['class'],
'options' => $options
];
}
/**
* @throws \Exception
*/
private function dispatchConditionalLogicModule(string $dispatcherModule, array $options): DataInterface
{
$moduleOptions = [];
if ($dispatcherModule === 'constraints') {
$moduleOptions = [
'availableConstraints' => $this->availableConstraints
];
}
return $this->dispatcher->runFieldDispatcher($dispatcherModule, $options, $moduleOptions);
}
private function addDynamicField(FormFieldDynamicDefinitionInterface $field): array
{
$options = $field->getOptions();
$optional = $field->getOptional();
//set optional template
if (isset($optional['template'])) {
$options['attr']['data-template'] = $optional['template'];
}
return [
'name' => $field->getName(),
'type' => $field->getType(),
'options' => $options
];
}
private function getChoiceFieldTypes(): array
{
return ['choice', 'dynamic_choice', 'country'];
}
private function preFillData(array $fields, array &$data): array
{
/** @var FormFieldDefinitionInterface $field */
foreach ($fields as $field) {
if (!empty($data[$field->getName()])) {
continue;
}
if ($field instanceof FormFieldContainerDefinitionInterface) {
if (!isset($data[$field->getName()])) {
$data[$field->getName()] = [];
}
$this->preFillData($field->getFields(), $data[$field->getName()]);
continue;
}
$fieldOptions = $field->getOptions();
if (isset($fieldOptions['data'])) {
$data[$field->getName()] = $fieldOptions['data'];
}
}
return $data;
}
}

vendor/dachcom-digital/formbuilder/src/FormBuilderBundle/EventSubscriber/FormBuilderSubscriber.php line 83