/**
* Returns child components matching the given select
*
* @param array|Kwf_Component_Select
* @return Kwf_Component_Data[]
*/
public function getChildComponents($select = array())
{
$select = $this->_formatSelect($select);
$sc = $select->getHash();
if (isset($this->_childComponentsCache[$sc])) {
Kwf_Benchmark::count('getChildComponents cached');
} else {
Kwf_Benchmark::count('getChildComponents uncached');
}
if (!isset($this->_childComponentsCache[$sc])) {
$this->_childComponentsCache[$sc] = array();
if ($select->getPart(Kwf_Component_Select::WHERE_COMPONENT_CLASSES) === array()) {
return $this->_childComponentsCache[$sc];
//vorzeitig abbrechen, da kommt sicher kein ergebnis
}
if ($select->hasPart(Kwf_Component_Select::LIMIT_COUNT)) {
$limitCount = $select->getPart(Kwf_Component_Select::LIMIT_COUNT);
} else {
$limitCount = null;
}
$generators = Kwf_Component_Generator_Abstract::getOwnInstances($this, $select);
$ret = $this->_getChildComponentsFromGenerators($generators, $select, $limitCount);
if (is_null($limitCount) || count($ret) < $limitCount) {
//wenn limit nicht erreicht, inherited generator auch noch fragen
if (!is_null($limitCount)) {
$limitCount -= count($ret);
}
$generators = Kwf_Component_Generator_Abstract::getInheritedInstances($this, $select);
$ret += $this->_getChildComponentsFromGenerators($generators, $select, $limitCount);
//kein array_merge, da wuerden die keys verloren gehen - und die sind eh eindeutig
}
$this->_childComponentsCache[$sc] = $ret;
}
return $this->_childComponentsCache[$sc];
}
