/**
* Edits the container and all of the children containers.
*
* @pre parameters != null
* @pre canEditContainer( newContainer ) == true
* @post if( checkCanEdit(container) ) { edit(container); }
* @param oldContainer The original container
* @param newContainer The new container values
* @throws IllegalArgumentException if oldContainer == null or newContainer == null or
* newContainer.canEdit == false
*/
public void editContainer(Container oldContainer, Container newContainer)
throws IllegalArgumentException {
if (oldContainer == null || newContainer == null || !canEditContainer(newContainer)) {
throw new IllegalArgumentException();
}
System.out.println(" ------ Editing container --------");
System.out.println("Before: " + oldContainer + "\nAfter:" + newContainer + "");
if (oldContainer instanceof ProductGroup) {
Container parent = oldContainer.getContainer(); // added for bug fix
parent.getProductGroups().remove((ProductGroup) oldContainer);
oldContainer.setName(newContainer.getName());
((ProductGroup) oldContainer)
.setThreeMonthSupply(((ProductGroup) newContainer).getThreeMonthSupply());
parent.getProductGroups().add((ProductGroup) oldContainer);
} else {
storageUnits.remove(oldContainer);
oldContainer.setName(newContainer.getName());
storageUnits.add((StorageUnit) oldContainer); // added for bug fix
}
containerDAO.update(new ContainerDTO(oldContainer));
ChangeObject hint = getHintObject(oldContainer);
setChanged();
notifyObservers(hint);
}
/**
* Recursively gets all of the productGroups from the given container.
*
* @pre none
* @param container
* @param pgList
*/
private void recursivelyGetDescendents(Container container, Set<Container> pgList) {
assert true;
Set<ProductGroup> productGroupList = container.getProductGroups();
pgList.addAll(productGroupList);
if (productGroupList.isEmpty()) {
return;
}
for (ProductGroup productGroup : productGroupList) {
recursivelyGetDescendents(productGroup, pgList);
}
}
/**
* Deletes the container and all of the children containers.
*
* @pre Container.items() == 0, recursively, see condition below ***(can't assert that items == 0,
* have to trust)***
* @pre container.exists() == true
* @post delete(container), recursively
* @param container Current container to be deleted
* @throws IllegalArgumentException if container.container == null && container instanceof
* ProductGroup
*/
public void deleteContainer(Container container) throws IllegalArgumentException {
Container parent = container.getContainer();
if (container instanceof ProductGroup) {
if (parent == null) {
throw new IllegalArgumentException();
}
Set<ProductGroup> productGroupList = container.getContainer().getProductGroups();
productGroupList.remove(container);
} else {
storageUnits.remove(container);
}
ChangeObject hint;
if (parent == null || parent.getProductGroups().isEmpty()) {
hint = getHintObject(parent);
} else {
hint = getHintObject(parent.getProductGroups().iterator().next());
}
containerDAO.delete(new ContainerDTO(container));
idToContainer.remove(container.getId());
setChanged();
notifyObservers(hint);
}