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<?php

/**
 * @file classes/controllers/grid/NullGridCellProvider.php
 *
 * Copyright (c) 2014-2021 Simon Fraser University
 * Copyright (c) 2000-2021 John Willinsky
 * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
 *
 * @class NullGridCellProvider
 *
 * @ingroup controllers_grid
 *
 * @brief Class to return null when render method is called by a grid handler.
 * Use this when you want to create a column with no content at all (for layout
 * purposes using flags, for example).
 */

namespace PKP\controllers\grid;

class NullGridCellProvider extends GridCellProvider
{
    //
    // Template methods from GridCellProvider
    //
    /**
     * @see GridCellProvider::render()
     */
    public function render($request, $row, $column)
    {
        return null;
    }
}

if (!PKP_STRICT_MODE) {
    class_alias('\PKP\controllers\grid\NullGridCellProvider', '\NullGridCellProvider');
}