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<?php
/**
* @file classes/controllers/grid/NullGridCellProvider.inc.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).
*/
import('lib.pkp.classes.controllers.grid.GridCellProvider');
class NullGridCellProvider extends GridCellProvider {
//
// Template methods from GridCellProvider
//
/**
* @see GridCellProvider::render()
*/
function render($request, $row, $column) {
return null;
}
}