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<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Backend\Block\Widget\Grid\Column\Renderer;

/**
 * Grid select input column renderer
 *
 * @api
 * @since 100.0.2
 */
class Select extends \Magento\Backend\Block\Widget\Grid\Column\Renderer\AbstractRenderer
{
    /**
     * @var \Magento\Backend\Block\Widget\Grid\Column\Renderer\Options\Converter
     */
    protected $_converter;

    /**
     * @param \Magento\Backend\Block\Context $context
     * @param \Magento\Backend\Block\Widget\Grid\Column\Renderer\Options\Converter $converter
     * @param array $data
     */
    public function __construct(
        \Magento\Backend\Block\Context $context,
        \Magento\Backend\Block\Widget\Grid\Column\Renderer\Options\Converter $converter,
        array $data = []
    ) {
        $this->_converter = $converter;
        parent::__construct($context, $data);
    }

    /**
     * Get options from column
     *
     * @return array
     */
    protected function _getOptions()
    {
        return $this->_converter->toFlatArray($this->getColumn()->getOptions());
    }

    /**
     * Renders grid column
     *
     * @param   \Magento\Framework\DataObject $row
     * @return  string
     */
    public function render(\Magento\Framework\DataObject $row)
    {
        $name = $this->getColumn()->getName() ? $this->getColumn()->getName() : $this->getColumn()->getId();
        $html = '<select name="' . $this->escapeHtml($name) . '" ' . $this->getColumn()->getValidateClass() . '>';
        $value = $row->getData($this->getColumn()->getIndex());
        foreach ($this->_getOptions() as $val => $label) {
            $selected = $val == $value && $value !== null ? ' selected="selected"' : '';
            $html .= '<option value="' . $this->escapeHtml($val) . '"' . $selected . '>';
            $html .= $this->escapeHtml($label) . '</option>';
        }
        $html .= '</select>';
        return $html;
    }
}