/** * 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); } }