private void updateCurrentItem() {
int count = getFacade().count();
if (selectedItemIndex >= count) {
// selected index cannot be bigger than number of items:
selectedItemIndex = count - 1;
// go to previous page if last page disappeared:
if (pagination.getPageFirstItem() >= count) {
pagination.previousPage();
}
}
if (selectedItemIndex >= 0) {
current = getFacade().getAllInRange(selectedItemIndex, selectedItemIndex + 1).get(0);
}
}
public PageNavigation destroy() {
current = (Group) getItems().getRowData();
selectedItemIndex = pagination.getPageFirstItem() + getItems().getRowIndex();
performDestroy();
recreateModel();
return PageNavigation.LIST;
}
public PageNavigation prepareView() {
current = (Group) getItems().getRowData();
selectedItemIndex = pagination.getPageFirstItem() + getItems().getRowIndex();
return PageNavigation.VIEW;
}