<?php

/**
 * @file classes/controllers/grid/ArrayGridCellProvider.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 ArrayGridCellProvider
 *
 * @ingroup controllers_grid
 *
 * @brief Base class for a cell provider that can retrieve labels from arrays
 */

namespace PKP\controllers\grid;

class ArrayGridCellProvider extends GridCellProvider
{
    //
    // Template methods from GridCellProvider
    //
    /**
     * This implementation assumes a simple data element array that
     * has column ids as keys.
     *
     * @see GridCellProvider::getTemplateVarsFromRowColumn()
     *
     * @param \PKP\controllers\grid\GridRow $row
     * @param GridColumn $column
     *
     * @return array
     */
    public function getTemplateVarsFromRowColumn($row, $column)
    {
        $element = & $row->getData();
        $columnId = $column->getId();
        switch ($columnId) {
            case 'id':
                return ['label' => $row->getId()];
            default:
                assert(is_array($element) && in_array($columnId, array_keys($element)));
                return ['label' => $element[$columnId]];
        };
    }
}

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