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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\View\Element\UiComponent\ContentType;
use Magento\Framework\Json\Encoder;
use Magento\Framework\View\FileSystem;
use Magento\Framework\View\TemplateEnginePool;
use Magento\Framework\View\Element\UiComponentInterface;
use Magento\Framework\View\Layout\Generator\Structure;
/**
* Class Json
*/
class Json extends AbstractContentType
{
/**
* Generator structure instance
*
* @var Structure
*/
private $structure;
/**
* Encoder
*
* @var Encoder
*/
private $encoder;
/**
* Constructor
*
* @param FileSystem $filesystem
* @param TemplateEnginePool $templateEnginePool
* @param Encoder $encoder
* @param Structure $structure
*/
public function __construct(
FileSystem $filesystem,
TemplateEnginePool $templateEnginePool,
Encoder $encoder,
Structure $structure
) {
parent::__construct($filesystem, $templateEnginePool);
$this->encoder = $encoder;
$this->structure = $structure;
}
/**
* Render data
*
* @param UiComponentInterface $component
* @param string $template
* @return string
* @throws \Exception
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
public function render(UiComponentInterface $component, $template = '')
{
$context = $component->getContext();
$isComponent = $context->getRequestParam('componentJson');
if ($isComponent) {
$data = $this->structure->generate($component);
return $this->encoder->encode($data);
} else {
$data = $component->getContext()->getDataSourceData($component);
$data = reset($data);
return $this->encoder->encode(
isset($data['config']['data']) ? $data['config']['data'] : []
);
}
}
}