<?php

namespace SR\Banner\Controller\Adminhtml\Banner;

class Edit extends \SR\Banner\Controller\Adminhtml\Banner {

protected $resultPageFactory;

/**
* @param \Magento\Backend\App\Action\Context $context
* @param \Magento\Framework\Registry $coreRegistry
* @param \Magento\Framework\View\Result\PageFactory $resultPageFactory
*/
public function __construct(
\Magento\Backend\App\Action\Context $context,
\Magento\Framework\Registry $coreRegistry,
\Magento\Framework\View\Result\PageFactory $resultPageFactory
) {
$this->resultPageFactory = $resultPageFactory;
parent::__construct($context, $coreRegistry);
}

/**
* Edit action
*
* @return \Magento\Framework\Controller\ResultInterface
*/

protected function _isAllowed() {
return $this->_authorization->isAllowed('SR_Banner::Banner');
}
public function execute() {
// 1. Get ID and create model
$id = $this->getRequest()->getParam('banner_id');
$model = $this->_objectManager->create(\SR\Banner\Model\Banner::class);

// 2. Initial checking
if ($id) {
$model->load($id);
if (!$model->getId()) {
$this->messageManager->addErrorMessage(__('This Banner no longer exists.'));
/** @var \Magento\Backend\Model\View\Result\Redirect $resultRedirect */
$resultRedirect = $this->resultRedirectFactory->create();
return $resultRedirect->setPath('*/*/');
}
} /*
echo '<pre>';
print_r($model->getData());
*/
$this->_coreRegistry->register('sr_banner_banner', $model);

// 3. Build edit form
/** @var \Magento\Backend\Model\View\Result\Page $resultPage */
$resultPage = $this->resultPageFactory->create();
$this->initPage($resultPage)->addBreadcrumb(
$id ? __('Edit Banner') : __('New Banner'),
$id ? __('Edit Banner') : __('New Banner')
);
$resultPage->getConfig()->getTitle()->prepend(__('Banners'));
$resultPage->getConfig()->getTitle()->prepend($model->getId() ? __('Edit Banner %1', $model->getId()) : __('New Banner'));
return $resultPage;
}
}