/**
* 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);
}
private function moveSitesHavingAGroupIntoSubtables(DataTable $sites)
{
/** @var DataTableSummaryRow[] $groups */
$groups = array();
$sitesByGroup = $this->makeCloneOfDataTableSites($sites);
$sitesByGroup->enableRecursiveFilters();
// we need to make sure filters get applied to subtables (groups)
foreach ($sites->getRows() as $site) {
$group = $site->getMetadata('group');
if (!empty($group) && !array_key_exists($group, $groups)) {
$row = new DataTableSummaryRow();
$row->setColumn('label', $group);
$row->setMetadata('isGroup', 1);
$row->setSubtable($this->createGroupSubtable($sites));
$sitesByGroup->addRow($row);
$groups[$group] = $row;
}
if (!empty($group)) {
$groups[$group]->getSubtable()->addRow($site);
} else {
$sitesByGroup->addRow($site);
}
}
foreach ($groups as $group) {
// we need to recalculate as long as all rows are there, as soon as some rows are removed
// we can no longer recalculate the correct value. We might even calculate values for groups
// that are not returned. If this becomes a problem we need to keep a copy of this to recalculate
// only actual returned groups.
$group->recalculate();
}
return $sitesByGroup;
}
