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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\PageCache\Block\System\Config\Form\Field;
/**
* Class Export
*
* @api
* @since 100.0.2
*/
class Export extends \Magento\Config\Block\System\Config\Form\Field
{
/**
* Retrieve element HTML markup
*
* @param \Magento\Framework\Data\Form\Element\AbstractElement $element
* @return string
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
protected function _getElementHtml(\Magento\Framework\Data\Form\Element\AbstractElement $element)
{
/** @var \Magento\Backend\Block\Widget\Button $buttonBlock */
$buttonBlock = $this->getForm()->getLayout()->createBlock(\Magento\Backend\Block\Widget\Button::class);
$params = [
'website' => $buttonBlock->getRequest()->getParam('website'),
'varnish' => $this->getVarnishVersion()
];
$data = [
'id' => 'system_full_page_cache_varnish_export_button_version' . $this->getVarnishVersion(),
'label' => $this->getLabel(),
'onclick' => "setLocation('" . $this->getVarnishUrl($params) . "')",
];
$html = $buttonBlock->setData($data)->toHtml();
return $html;
}
/**
* Return Varnish version to this class
*
* @return int
*/
public function getVarnishVersion()
{
return 0;
}
/**
* @return \Magento\Framework\Phrase
*/
private function getLabel()
{
return __('Export VCL for Varnish %1', $this->getVarnishVersion());
}
/**
* @param array $params
*
* @return string
*/
private function getVarnishUrl($params = [])
{
return $this->getUrl('*/PageCache/exportVarnishConfig', $params);
}
/**
* Return PageCache TTL value from config
* to avoid saving empty field
*
* @return string
* @deprecated 100.1.0
*/
public function getTtlValue()
{
return $this->_scopeConfig->getValue(\Magento\PageCache\Model\Config::XML_PAGECACHE_TTL);
}
}