/**
* Load the item data
*/
protected function loadData()
{
$this->id = $this->getParameter('id', 'int', null);
if ($this->id == null || !BackendCatalogModel::exists($this->id)) {
$this->redirect(BackendModel::createURLForAction('index') . '&error=non-existing');
}
$this->record = BackendCatalogModel::get($this->id);
$this->categories = (array) BackendCatalogModel::getCategories(true);
$this->products = (array) BackendCatalogModel::getAll();
$this->allProductsGroupedByCategories = (array) BackendCatalogModel::getAllProductsGroupedByCategories();
$this->relatedProducts = (array) BackendCatalogModel::getRelatedProducts($this->id);
$this->specifications = (array) BackendCatalogModel::getSpecifications();
// get brands
$this->brands = BackendCatalogModel::getBrandsForDropdown();
}