| Path : /var/www/html/ob-wp-eski/core/DataTable/Row/ |
|
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| Current File : /var/www/html/ob-wp-eski/core/DataTable/Row/DataTableSummaryRow.php |
<?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\Row;
use Piwik\DataTable;
use Piwik\DataTable\Row;
/**
* A special row whose column values are the aggregate of the row's subtable.
*
* This class creates sets its own columns to the sum of each row in the row's subtable.
*
* Non-numeric columns are bypassed during summation and do not appear in this
* rows columns.
*
* See {@link Piwik\DataTable\Row::sumRow()} for more information on the algorithm.
*
*/
class DataTableSummaryRow extends Row
{
/**
* Constructor.
*
* @param DataTable|null $subTable The subtable of this row. This parameter is mostly for
* convenience. If set, its rows will be summed to this one,
* but it will not be set as this row's subtable (so
* getSubtable() will return false).
*/
public function __construct($subTable = null)
{
if (isset($subTable)) {
$this->sumTable($subTable);
}
}
/**
* Reset this row to an empty one and sums the associated subtable again.
*/
public function recalculate()
{
$subTable = $this->getSubtable();
if ($subTable) {
$this->sumTable($subTable);
}
}
/**
* Sums a tables row with this one.
*
* @param DataTable $table
*/
private function sumTable($table)
{
$metadata = $table->getMetadata(DataTable::COLUMN_AGGREGATION_OPS_METADATA_NAME);
$enableCopyMetadata = false;
foreach ($table->getRowsWithoutSummaryRow() as $row) {
$this->sumRow($row, $enableCopyMetadata, $metadata);
}
$summaryRow = $table->getRowFromId(DataTable::ID_SUMMARY_ROW);
if ($summaryRow) {
$this->sumRow($summaryRow, $enableCopyMetadata, $metadata);
}
}
}