@Override public void resetPanel(MachineReassignment machineReassignment) { for (MrMachinePanel machinePanel : machineToPanelMap.values()) { if (machinePanel.getMachine() != null) { machineListPanel.remove(machinePanel); } } machineToPanelMap.clear(); machineToPanelMap.put(null, unassignedPanel); unassignedPanel.clearProcessAssignments(); updatePanel(machineReassignment); }