/**
* Attach defaults provided by the elements to the input filter
*
* @param InputFilterInterface $inputFilter
* @param FieldsetInterface $fieldset Fieldset to traverse when looking for default inputs
* @return void
*/
public function attachInputFilterDefaults(InputFilterInterface $inputFilter, FieldsetInterface $fieldset)
{
$formFactory = $this->getFormFactory();
$inputFactory = $formFactory->getInputFilterFactory();
if ($fieldset instanceof Collection && $fieldset->getTargetElement() instanceof FieldsetInterface) {
$elements = $fieldset->getTargetElement()->getElements();
} else {
$elements = $fieldset->getElements();
}
if (!$fieldset instanceof Collection || !$fieldset->getTargetElement() instanceof FieldsetInterface || $inputFilter instanceof CollectionInputFilter) {
foreach ($elements as $name => $element) {
if ($this->preferFormInputFilter && $inputFilter->has($name)) {
continue;
}
if (!$element instanceof InputProviderInterface) {
if ($inputFilter->has($name)) {
continue;
}
// Create a new empty default input for this element
$spec = array('name' => $name, 'required' => false);
$input = $inputFactory->createInput($spec);
} else {
// Create an input based on the specification returned from the element
$spec = $element->getInputSpecification();
$input = $inputFactory->createInput($spec);
if ($inputFilter->has($name) && $inputFilter instanceof ReplaceableInputInterface) {
$input->merge($inputFilter->get($name));
$inputFilter->replace($input, $name);
continue;
}
}
// Add element input filter to CollectionInputFilter
if ($inputFilter instanceof CollectionInputFilter && !$inputFilter->getInputFilter()->has($name)) {
$inputFilter->getInputFilter()->add($input, $name);
} else {
$inputFilter->add($input, $name);
}
}
if ($fieldset === $this && $fieldset instanceof InputFilterProviderInterface) {
foreach ($fieldset->getInputFilterSpecification() as $name => $spec) {
$input = $inputFactory->createInput($spec);
$inputFilter->add($input, $name);
}
}
}
foreach ($fieldset->getFieldsets() as $name => $childFieldset) {
if (!$childFieldset instanceof InputFilterProviderInterface) {
if (!$inputFilter->has($name)) {
// Add a new empty input filter if it does not exist (or the fieldset's object input filter),
// so that elements of nested fieldsets can be recursively added
if ($childFieldset->getObject() instanceof InputFilterAwareInterface) {
$inputFilter->add($childFieldset->getObject()->getInputFilter(), $name);
} else {
// Add input filter for collections via getInputFilterSpecification()
if ($childFieldset instanceof Collection && $childFieldset->getTargetElement() instanceof InputFilterProviderInterface && $childFieldset->getTargetElement()->getInputFilterSpecification()) {
$collectionContainerFilter = new CollectionInputFilter();
$spec = $childFieldset->getTargetElement()->getInputFilterSpecification();
$filter = $inputFactory->createInputFilter($spec);
$collectionContainerFilter->setInputFilter($filter);
$inputFilter->add($collectionContainerFilter, $name);
// We need to copy the inputs to the collection input filter
if ($inputFilter instanceof CollectionInputFilter) {
$inputFilter = $this->addInputsToCollectionInputFilter($inputFilter);
}
// Add child elements from target element
$childFieldset = $childFieldset->getTargetElement();
} else {
$inputFilter->add(new InputFilter(), $name);
}
}
}
$fieldsetFilter = $inputFilter->get($name);
if (!$fieldsetFilter instanceof InputFilterInterface) {
// Input attached for fieldset, not input filter; nothing more to do.
continue;
}
// Traverse the elements of the fieldset, and attach any
// defaults to the fieldset's input filter
$this->attachInputFilterDefaults($fieldsetFilter, $childFieldset);
continue;
}
if ($inputFilter->has($name)) {
// if we already have an input/filter by this name, use it
continue;
}
// Create an input filter based on the specification returned from the fieldset
$spec = $childFieldset->getInputFilterSpecification();
$filter = $inputFactory->createInputFilter($spec);
$inputFilter->add($filter, $name);
// Recursively attach sub filters
$this->attachInputFilterDefaults($filter, $childFieldset);
// We need to copy the inputs to the collection input filter to ensure that all sub filters are added
if ($inputFilter instanceof CollectionInputFilter) {
$inputFilter = $this->addInputsToCollectionInputFilter($inputFilter);
}
}
}
