GcDevelopment\Controller\DocumentTypeController::editAction PHP Method

    public function editAction()
    {
        $documentTypeId = $this->getRouteMatch()->getParam('id');
        $documentType = DocumentType\Model::fromId($documentTypeId);
        if (empty($documentType)) {
            return $this->redirect()->toRoute('development/document-type/create');
        }
        $form = new DocumentTypeForm();
        $form->setAttribute('action', $this->url()->fromRoute('development/document-type/edit', array('id' => $documentTypeId)));
        $request = $this->getRequest();
        $session = $this->getSession();
        if (!$request->isPost()) {
            $form->setValues($documentType);
            $this->prepareDocumentTypeSession($session, $documentType);
        } else {
            $validators = $form->getInputFilter()->get('infos')->get('name')->getValidatorChain()->getValidators();
            foreach ($validators as $validator) {
                if ($validator['instance'] instanceof Validator\Db\NoRecordExists) {
                    $validator['instance']->setExclude(array('field' => 'id', 'value' => $documentType->getId()));
                }
            }
            $postData = $this->getRequest()->getPost()->toArray();
            $form->setData($postData);
            $form->setValues($postData);
            if (!$form->isValid()) {
                $this->flashMessenger()->addErrorMessage('Can not save document type');
                $this->useFlashMessenger();
            } else {
                $propertyCollection = new Property\Collection();
                $input = $form->getInputFilter();
                $infosSubform = $input->get('infos');
                $viewsSubform = $input->get('views');
                $documentType->addData(array('name' => $infosSubform->getValue('name'), 'icon_id' => $infosSubform->getValue('icon_id'), 'description' => $infosSubform->getValue('description'), 'default_view_id' => $viewsSubform->getValue('default_view')));
                $documentType->getAdapter()->getDriver()->getConnection()->beginTransaction();
                try {
                    $availableViews = $viewsSubform->getValue('available_views');
                    if (empty($availableViews)) {
                        $availableViews = array();
                    }
                    $documentType->addViews($availableViews);
                    $documentType->setDependencies($infosSubform->getValue('dependency'));
                    $documentType->save();
                    $existingTabs = $this->saveTabs($input->get('tabs'), $documentType);
                    $tabCollection = new Tab\Collection();
                    $tabs = $tabCollection->load($documentType->getId())->getTabs();
                    foreach ($tabs as $tab) {
                        if (!in_array($tab->getId(), $existingTabs)) {
                            $tab->delete();
                        }
                    }
                    $existingProperties = $this->saveProperties($input->get('properties'), $existingTabs);
                    $propertyCollection = new Property\Collection();
                    $properties = $propertyCollection->load($documentType->getId())->getProperties();
                    foreach ($properties as $property) {
                        if (!in_array($property->getId(), $existingProperties)) {
                            $property->delete();
                        }
                    }
                    $documentType->getAdapter()->getDriver()->getConnection()->commit();
                    $this->flashMessenger()->addSuccessMessage('This document type has been saved');
                    return $this->redirect()->toRoute('development/document-type/edit', array('id' => $documentTypeId));
                } catch (Exception $e) {
                    $documentType->getAdapter()->getDriver()->getConnection()->rollBack();
                    throw new \Gc\Exception('Error Processing Request ' . print_r($e, true), 1);
                }
            }
        }
        return array('form' => $form);
    }