private void intializeComboBox(Side side) {
		JComboBox<Function> comboBox = comboBoxes.get(side);
		comboBox.removeItemListener(comboListeners.get(side));

		DefaultComboBoxModel<Function> comboModel =
			(DefaultComboBoxModel<Function>) comboBox.getModel();
		comboModel.removeAllElements();
		comboModel.addAll(model.getFunctions(side));

		Function activeFunction = model.getActiveFunction(side);
		if (activeFunction != null) {
			comboBox.setSelectedItem(activeFunction);
		}

		comboBox.addItemListener(comboListeners.get(side));
	}
Constructor

@param provider the comparison provider associated with this panel
@param tool the active plugin tool
@param model the comparison data model
Ghidra/Features/CodeCompare/src/main/java/ghidra/features/codecompare/plugin/MultiFunctionComparisonPanel.java