/**
* 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 = $formFactory->getInputFilterFactory();
if ($this instanceof InputFilterProviderInterface) {
foreach ($this->getInputFilterSpecification() as $name => $spec) {
$input = $inputFactory->createInput($spec);
$inputFilter->add($input, $name);
}
}
foreach ($fieldset->getElements() as $element) {
$name = $element->getName();
if ($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);
} else {
// Create an input based on the specification returned from the element
$spec = $element->getInputSpecification();
}
$input = $inputFactory->createInput($spec);
$inputFilter->add($input, $name);
}
foreach ($fieldset->getFieldsets() as $fieldset) {
$name = $fieldset->getName();
if (!$fieldset 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 ($fieldset->getObject() instanceof InputFilterAwareInterface) {
$inputFilter->add($fieldset->getObject()->getInputFilter(), $name);
} 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, $fieldset);
continue;
}
if ($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 = $fieldset->getInputFilterSpecification();
$filter = $inputFactory->createInputFilter($spec);
$inputFilter->add($filter, $name);
// Recursively attach sub filters
$this->attachInputFilterDefaults($filter, $fieldset);
}
}
