private String getString() {
			if (mode == STRING_WITH_SUGGESTIONS) {
				return comboBox.getEditor().getItem().toString();
			}
			String value = textField.getText().trim();
			return value.length() == 0 ? null : value;
		}
Apply changes to settings.  This method must be ov
@throws CancelledException thrown if apply operation cancelled
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/data/AbstractSettingsDialog.java