import com.apple.eawt.PreferencesHandler; //导入依赖的package包/类
public void OSXSetup() {
	Application app = Application.getApplication();

	app.setAboutHandler(new AboutHandler() {
		public void handleAbout(AboutEvent ae) {
			about();
		}
	});

	app.setPreferencesHandler(new PreferencesHandler() {
		public void handlePreferences(PreferencesEvent pe) {
			PreferencesDialog.showPreferences(frame);
			//EditPreferences editPreferences = new EditPreferences(frame, async);
			//editPreferences.preferences();
			tree.setExpandibleIcons(!IBioSimPreferences.INSTANCE.isPlusMinusIconsEnabled());
			if (sbolDocument != null) {
				sbolDocument.setDefaultURIprefix(SBOLEditorPreferences.INSTANCE.getUserInfo().getURI().toString());
			}
		}
	});

	app.setQuitHandler(new QuitHandler() {
		public void handleQuitRequestWith(QuitEvent event, QuitResponse response) {
			exit();
		}
	});
}