else if (localTargetNode instanceof TaskDescriptorTreeNode)
/*else if (localTargetNode instanceof TaskDescriptorTreeNode)
	public void drop (DropTargetDropEvent _evt)	{		try		{			Transferable transferable = _evt.getTransferable() ;			// Checking that its a human resource			if (!transferable.isDataFlavorSupported(HumanResource.RESOURCE_FLAVOR))			{				_evt.rejectDrop() ;			}			else			{				HumanResource localResource = (HumanResource) transferable.getTransferData(HumanResource.RESOURCE_FLAVOR) ;				// Now getting the target component				TreePath localPath = getPathForLocation(_evt.getLocation().x, _evt.getLocation().y) ;				DefaultMutableTreeNode localTargetNode = (DefaultMutableTreeNode) localPath.getLastPathComponent() ;				// If the node is a role, then linking				if (localTargetNode instanceof RoleDescriptorTreeNode)				{					BreakdownElementsControler.linkRoleDescriptorAndHumanResource( ((RoleDescriptorTreeNode) localTargetNode).getRole(), localResource) ;					_evt.getDropTargetContext().dropComplete(true) ;				}				else if (localTargetNode instanceof TaskDescriptorTreeNode)				{					Collection <RoleDescriptor> localRoles = ((TaskDescriptorTreeNode) localTargetNode).getTask().getPrimaryPerformers() ;					Iterator <RoleDescriptor> localIterator = localRoles.iterator() ;					while (localIterator.hasNext())					{						if (localResource.getPerformingRoles().contains(localIterator.next()))						{							if (!localResource.getPerformingTasks().contains( ((TaskDescriptorTreeNode) localTargetNode).getTask()))							{								localResource.getPerformingTasks().add( ((TaskDescriptorTreeNode) localTargetNode).getTask()) ;								_evt.getDropTargetContext().dropComplete(true) ;							}							break ;						}					}				}			}		}		catch (UnsupportedFlavorException exc)		{			_evt.rejectDrop() ;		}		catch (IOException exc)		{			_evt.rejectDrop() ;		}	}