Internal method to build an individual set of handlers.
@todo Some filter needs this function, even it is internal.
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]
->group_multiple_exposed_input($this->exposed_data);
}
foreach ($multiple_exposed_input as $group_id) {
// Give this handler access to the exposed filter input.
if (!empty($this->exposed_data)) {
$converted = FALSE;
if ($handlers[$id]
->isAGroup()) {
$converted = $handlers[$id]
->convert_exposed_input($this->exposed_data, $group_id);
$handlers[$id]
->store_group_input($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());
}
}
}
}