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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Backend\Block\Widget\Form\Element;
use Magento\Framework\App\ObjectManager;
use Magento\Framework\Data\Form\Element\AbstractElement;
use Magento\Framework\Json\Helper\Data as JsonHelper;
use Magento\Backend\Block\Template\Context;
/**
* Backend image gallery item renderer
*
* @author Magento Core Team <core@magentocommerce.com>
*/
class Gallery extends \Magento\Backend\Block\Template implements
\Magento\Framework\Data\Form\Element\Renderer\RendererInterface
{
/**
* @var AbstractElement|null
*/
protected $_element = null;
/**
* @var string
*/
protected $_template = 'Magento_Backend::widget/form/element/gallery.phtml';
/**
* @param Context $context
* @param array $data
*/
public function __construct(Context $context, array $data = [])
{
$data['jsonHelper'] = ObjectManager::getInstance()->get(JsonHelper::class);
parent::__construct($context, $data);
}
/**
* Renderer.
*
* @param AbstractElement $element
* @return string
*/
public function render(AbstractElement $element)
{
$this->setElement($element);
return $this->toHtml();
}
/**
* Set element.
*
* @param AbstractElement $element
* @return $this
*/
public function setElement(AbstractElement $element)
{
$this->_element = $element;
return $this;
}
/**
* Get element.
*
* @return AbstractElement|null
*/
public function getElement()
{
return $this->_element;
}
/**
* Get value.
*
* @return array
*/
public function getValues()
{
return $this->getElement()->getValue();
}
/**
* @inheritdoc
*/
protected function _prepareLayout()
{
$this->addChild(
'delete_button',
\Magento\Backend\Block\Widget\Button::class,
['label' => __('Delete'), 'onclick' => "deleteImage(#image#)", 'class' => 'delete']
);
$this->addChild(
'add_button',
\Magento\Backend\Block\Widget\Button::class,
['label' => __('Add New Image'), 'onclick' => 'addNewImage()', 'class' => 'add']
);
return parent::_prepareLayout();
}
/**
* Return add button.
*
* @return string
*/
public function getAddButtonHtml()
{
return $this->getChildHtml('add_button');
}
/**
* Return delete button.
*
* @param string $image
* @return string|string[]
*/
public function getDeleteButtonHtml($image)
{
return str_replace('#image#', $image, $this->getChildHtml('delete_button'));
}
}