New fixed

<?php
/**
 *
 * @ IonCube v7 Decoder By DoraemonPT
 *
 * @ Version  : 1,0,0,0
 * @ Author   : DoraemonPT
 * @ Release on : 19-08-2013
 * @ Website  : http://easytoyou.eu
 *
 **/

class Websoft_Dpd_Adminhtml_PricelistController extends Mage_Adminhtml_Controller_Action
{
    function indexAction()
    {
        $this->loadLayout();
        $this->_addContent($this->getLayout()->createBlock('dpd/adminhtml_pricelist'));
        $this->renderLayout();
    }

    function newAction()
    {
        $this->_forward('edit');
    }

    function editAction()
    {
        $id = $this->getRequest()->getParam('id', null);
        $model = Mage::getModel('dpd/pricelist');

        if ($id) {
            $model->load((int)$id);

            if ($model->getId()) {
                $data = Mage::getSingleton('adminhtml/session')->getFormData(true);

                if ($data) {
                    $model->setData($data)->setId($id);
                }
            } else {
                Mage::getSingleton('adminhtml/session')->addError(Mage::helper('awesome')->__('Reguła nie istnieje'));
                $this->_redirect('*/*/');
            }
        }

        Mage::register('pricelist_data', $model);
        $this->loadLayout();
        $this->getLayout()->getBlock('head')->setCanLoadExtJs(true);
        $this->_addContent($this->getLayout()->createBlock('dpd/adminhtml_pricelist_edit'));
        $this->renderLayout();
    }

    function saveAction()
    {
        if ($data = $this->getRequest()->getPost()) {
            try {
                $model = Mage::getModel('dpd/pricelist');
                $data_country = implode(',', array_filter($data['country']));
                $data['country'] = $data_country;
                $id = $this->getRequest()->getParam('id');

                if ($id) {
                    $model->load($id);
                }

                $model->setData($data);
                Mage::getSingleton('adminhtml/session')->setFormData($data);

                if ($id) {
                    $model->setId($id);
                }

                $model->save();

                if (!$model->getId()) {
                    Mage::throwException(Mage::helper('dpd')->__('Błąd zapisu.'));
                }

                Mage::getSingleton('adminhtml/session')->addSuccess(Mage::helper('dpd')->__('Reguła została pomyślnie zapisana.'));
                Mage::getSingleton('adminhtml/session')->setFormData(false);
                $this->_redirect('*/*/');
                return null;
            } catch (Exception $e) {
                Mage::getSingleton('adminhtml/session')->addError($e->getMessage());

                if (( $model && $model->getId() )) {
                    $this->_redirect('*/*/edit', array( 'id' => $model->getId() ));
                    return null;
                }

                $this->_redirect('*/*/');
                return null;
            }
        }

        Mage::getSingleton('adminhtml/session')->addError(Mage::helper('dpd')->__('Brak danych do zapisu.'));
        $this->_redirect('*/*/');
    }

    function deleteAction()
    {
        if ($id = $this->getRequest()->getParam('id')) {
            try {
                $model = Mage::getModel('dpd/pricelist');
                $model->setId($id);
                $model->delete();
                Mage::getSingleton('adminhtml/session')->addSuccess(Mage::helper('dpd')->__('Reguła ceny została usunięta.'));
                $this->_redirect('*/*/');
                return null;
            } catch (Exception $e) {
                Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
                $this->_redirect('*/*/edit', array( 'id' => $this->getRequest()->getParam('id') ));
                return null;
            }
        }

        Mage::getSingleton('adminhtml/session')->addError(Mage::helper('adminhtml')->__('Nie odnaleziono reguły do usunięcia.'));
        $this->_redirect('*/*/');
    }
}