@Override
			public Component getListCellRendererComponent(JList<? extends CategoryPath> list,
					CategoryPath value, int index, boolean isSelected, boolean cellHasFocus) {

				super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
				return this;
			}
CategoryPathDropDownSelectionDataModel class handles the display and selection of a 
Category Path.
Ghidra/Features/Base/src/main/java/ghidra/app/util/datatype/CategoryPathSelectionEditor.java