/**
* All viewable product groups of this group.
*
* @param int $numberOfProductGroups Number of product groups to display
*
* @return PaginatedList
*
* @author Sebastian Diel <*****@*****.**>, Ramon Kupper <*****@*****.**>
* @since 04.01.2014
*/
public function getViewableChildren($numberOfProductGroups = false)
{
if ($this->viewableChildren === null) {
$viewableChildren = new ArrayList();
foreach ($this->Children() as $child) {
if ($child->hasProductsOrChildren()) {
$viewableChildren->push($child);
}
}
if ($viewableChildren->count() > 0) {
if ($numberOfProductGroups == false) {
if ($this->productGroupsPerPage) {
$pageLength = $this->productGroupsPerPage;
} else {
$pageLength = SilvercartConfig::ProductGroupsPerPage();
}
} else {
$pageLength = $numberOfProductGroups;
}
$pageStart = $this->getSqlOffsetForProductGroups($numberOfProductGroups);
$viewableChildrenPage = new PaginatedList($viewableChildren, $this->getRequest());
$viewableChildrenPage->setPaginationGetVar('groupStart');
$viewableChildrenPage->setPageStart($pageStart);
$viewableChildrenPage->setPageLength($pageLength);
$this->viewableChildren = $viewableChildrenPage;
} else {
return false;
}
}
return $this->viewableChildren;
}
