tSelectionField.setEditable(model.getMaxZ() != 0);
zSelectionField.setEditable(model.getMaxZ() != 0);
    void onStateChange(boolean b)    {        if (b) {            tSelectionField.setEditable(model.getMaxT() != 0);            tSelectionField.setEditable(model.getMaxZ() != 0);        } else {            tSelectionField.setEditable(b);            zSelectionField.setEditable(b);        }    }