@Override public Component getListCellRendererComponent( JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) { Component result = super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus); if (value != null) { AdditionalAction action = (AdditionalAction) value; setText(action.getText()); setIcon(action.getIcon()); } return result; }