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<?php
/**
* Piwik - free/libre analytics platform
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik\DataTable\Filter;
use Piwik\DataTable\BaseFilter;
use Piwik\DataTable;
use Piwik\DataTable\Row\DataTableSummaryRow;
/**
* Adds a summary row to {@link DataTable}s that contains the sum of all other table rows.
*
* **Basic usage example**
*
* $dataTable->filter('AddSummaryRow');
*
* // use a human readable label for the summary row (instead of '-1')
* $dataTable->filter('AddSummaryRow', array($labelSummaryRow = Piwik::translate('General_Total')));
*
* @api
*/
class AddSummaryRow extends BaseFilter
{
/**
* Constructor.
*
* @param DataTable $table The table that will be filtered.
* @param int $labelSummaryRow The value of the label column for the new row.
*/
public function __construct($table, $labelSummaryRow = DataTable::LABEL_SUMMARY_ROW)
{
parent::__construct($table);
$this->labelSummaryRow = $labelSummaryRow;
}
/**
* Executes the filter. See {@link AddSummaryRow}.
*
* @param DataTable $table
*/
public function filter($table)
{
$row = new DataTableSummaryRow($table);
$row->setColumn('label', $this->labelSummaryRow);
$table->addSummaryRow($row);
}
}
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