mundipagg/magento2

<?php

namespace MundiPagg\MundiPagg\Ui\Component\Column\Invoices;

use Magento\Cms\Block\Adminhtml\Page\Grid\Renderer\Action\UrlBuilder;
use Magento\Ui\Component\Listing\Columns\Column;
use Magento\Framework\View\Element\UiComponent\ContextInterface;
use Magento\Framework\View\Element\UiComponentFactory;
use Magento\Framework\UrlInterface;

class Boleto extends Column
{
    /** Url path */
    const URL_PATH_EDIT = 'mundipagg_mundipagg/invoices/index';
    const URL_PATH_DELETE = 'mundipagg_mundipagg/invoices/delete';
    /** @var UrlBuilder */
    protected $actionUrlBuilder;
    /** @var UrlInterface */
    protected $urlBuilder;

    /**
     * @param ContextInterface $context
     * @param UiComponentFactory $uiComponentFactory
     * @param UrlBuilder $actionUrlBuilder
     * @param UrlInterface $urlBuilder
     * @param array $components
     * @param array $data
     */
    public function __construct(
        ContextInterface $context,
        UiComponentFactory $uiComponentFactory,
        UrlBuilder $actionUrlBuilder,
        UrlInterface $urlBuilder,
        array $components = [],
        array $data = []
    ) {
        $this->urlBuilder = $urlBuilder;
        $this->actionUrlBuilder = $actionUrlBuilder;
        parent::__construct($context, $uiComponentFactory, $components, $data);
    }

    /**
     * Prepare Data Source
     *
     * @param array $dataSource
     * @return array
     */
    public function prepareDataSource(array $dataSource)
    {
        if (isset($dataSource['data']['items'])) {
            foreach ($dataSource['data']['items'] as &$item) {
                if ($item['tran_boleto_url'] == '') {
                    $item['tran_boleto_url'] = ' --- ';
                }
            }
        }

        return $dataSource;
    }
}