/**
* Internal method to build an individual set of handlers.
*
* @todo Some filter needs this function, even it is internal.
*
* @param string $key
* The type of handlers (filter etc.) which should be iterated over to
* build the relationship and query information.
*/
public function _build($key)
{
$handlers =& $this->{$key};
foreach ($handlers as $id => $data) {
if (!empty($handlers[$id]) && is_object($handlers[$id])) {
$multiple_exposed_input = array(0 => NULL);
if ($handlers[$id]->multipleExposedInput()) {
$multiple_exposed_input = $handlers[$id]->groupMultipleExposedInput($this->exposed_data);
}
foreach ($multiple_exposed_input as $group_id) {
// Give this handler access to the exposed filter input.
if (!empty($this->exposed_data)) {
if ($handlers[$id]->isAGroup()) {
$converted = $handlers[$id]->convertExposedInput($this->exposed_data, $group_id);
$handlers[$id]->storeGroupInput($this->exposed_data, $converted);
if (!$converted) {
continue;
}
}
$rc = $handlers[$id]->acceptExposedInput($this->exposed_data);
$handlers[$id]->storeExposedInput($this->exposed_data, $rc);
if (!$rc) {
continue;
}
}
$handlers[$id]->setRelationship();
$handlers[$id]->query($this->display_handler->useGroupBy());
}
}
}
}
