Applies all filters that were previously queued to the table. See {@link queueFilter()}
for more information.
| public applyQueuedFilters ( ) |
/**
* Generates JSON graph data and returns it.
*
* @param DataTable|DataTable\Map $dataTable
* @return string
*/
public function generate($dataTable)
{
$visualization = new Chart();
if ($dataTable->getRowsCount() > 0) {
// if addTotalRow was called in GenerateGraphHTML, add a row containing totals of
// different metrics
if ($this->properties['add_total_row']) {
$dataTable->queueFilter('AddSummaryRow', Piwik::translate('General_Total'));
}
$dataTable->applyQueuedFilters();
$this->initChartObjectData($dataTable, $visualization);
}
return $visualization->render();
}
/**
* Template method called from self::manipulate.
* Flatten each data table.
*
* @param DataTable $dataTable
* @return DataTable
*/
protected function manipulateDataTable($dataTable)
{
// apply filters now since subtables have their filters applied before generic filters. if we don't do this
// now, we'll try to apply filters to rows that have already been manipulated. this results in errors like
// 'column ... already exists'.
if (Common::getRequestVar('disable_queued_filters', 0, 'int', $this->request) == 0) {
$dataTable->applyQueuedFilters();
}
$newDataTable = $dataTable->getEmptyClone($keepFilters = false);
foreach ($dataTable->getRows() as $row) {
$this->flattenRow($row, $newDataTable);
}
return $newDataTable;
}
