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<?php |
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/** |
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* Ajax controller. Used for validating forms through ajax |
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* |
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* @category StrokerForm |
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* @package StrokerForm\Controller |
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* @copyright 2012 Bram Gerritsen |
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* @version SVN: $Id$ |
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*/ |
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namespace StrokerForm\Controller; |
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use StrokerForm\FormManager; |
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use Zend\Json\Json; |
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use Zend\Mvc\Controller\AbstractActionController; |
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class AjaxController extends AbstractActionController |
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{ |
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/** |
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* @var FormManager |
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*/ |
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protected $formManager; |
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/** |
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* Default constructor |
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* |
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* @param FormManager $formManager |
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*/ |
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public function __construct(FormManager $formManager) |
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{ |
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$this->setFormManager($formManager); |
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} |
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/** |
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* Validate a field and return validation messages on failure |
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* |
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* @throws \InvalidArgumentException |
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* @return \Zend\Stdlib\ResponseInterface |
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*/ |
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public function validateAction() |
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{ |
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/** @var $request \Zend\Http\PhpEnvironment\Request */ |
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$request = $this->getRequest(); |
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$response = $this->getResponse(); |
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$data = $request->getPost()->toArray(); |
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if (count($data) > 1) { |
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throw new \InvalidArgumentException('Validating multiple fields is not allowed'); |
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} |
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if (empty($data)) { |
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throw new \InvalidArgumentException('No input data received'); |
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} |
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$formAlias = $this->getEvent()->getRouteMatch()->getParam('form'); |
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/** @var $form \Zend\Form\FormInterface */ |
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$form = $this->getFormManager()->get($formAlias); |
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$filter = $form->getInputFilter(); |
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$filter->setData($data); |
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$filter->setValidationGroup($this->convertDataArrayToValidationGroup($data)); |
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$valid = $filter->isValid(); |
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if (!$valid) { |
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$messages = $filter->getMessages(); |
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$result = false; |
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array_walk_recursive( |
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$messages, function ($item) use (&$result) { |
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if (is_string($item)) { |
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$result = $item; |
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} |
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} |
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); |
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} else { |
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$result = true; |
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} |
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$response->setContent(Json::encode($result)); |
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return $response; |
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} |
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/** |
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* Convert post data to a format for the validation group |
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* |
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* i.e. from: |
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* array('fieldset' => array('field1' => 'field value')) |
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* to: |
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* array('fieldset' => array('field1')) |
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* |
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* @param $data |
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* |
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* @return array |
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*/ |
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protected function convertDataArrayToValidationGroup($data) |
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{ |
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$ret = []; |
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foreach ($data as $key => $value) { |
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if (is_array($value)) { |
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$ret[$key] = $this->convertDataArrayToValidationGroup($value); |
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} else { |
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$ret[] = $key; |
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} |
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} |
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return $ret; |
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} |
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/** |
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* @return FormManager |
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*/ |
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public function getFormManager() |
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{ |
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return $this->formManager; |
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} |
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/** |
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* @param FormManager $formManager |
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*/ |
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public function setFormManager(FormManager $formManager) |
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{ |
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$this->formManager = $formManager; |
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} |
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} |
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bramstroker /
zf2-form
