public void actionPerformed(ActionEvent event) { Object button = event.getSource(); if (basketControlButtonPanel.isAddButton(button)) { addToBasket(); } else if (basketControlButtonPanel.isEditButton(button)) { } else if (basketControlButtonPanel.isDeleteButton(button)) { deleteFromBasket(); } else if (basketControlButtonPanel.isClearButton(button)) { clearBasket(); } else if (basketControlButtonPanel.isImportButton(button)) { importMapAreas(); } else if (basketControlButtonPanel.isExportButton(button)) { exportMapAreas(); } }