public static function searching(IContainer $aParent, $aCallback)
{
$arrRes = array();
foreach ($aParent->iterator() as $aChild) {
if (call_user_func_array($aCallback, array($aChild))) {
$arrRes[] = $aChild;
}
// 递归child
$arrRes = array_merge($arrRes, self::searching($aChild, $aCallback));
}
return $arrRes;
}
/**
* @return IView
*/
public static function findXPath(IContainer $aViewContainer, $sViewXPath)
{
$arrPath = explode('/', $sViewXPath);
$aView = $aViewContainer;
while (($sViewName = array_shift($arrPath)) !== null) {
if (empty($sViewName)) {
continue;
}
if (!($aView = $aViewContainer->getByName($sViewName))) {
return null;
}
$aViewContainer = $aView;
}
return $aView;
}