import de.lessvoid.nifty.controls.DropDown; //导入依赖的package包/类
@Override
public void onStartScreen() {
    joysticks = inputManager.getJoysticks();
    hasJoysticks = joysticks != null && joysticks.length > 0;
    if (hasJoysticks) {
        DropDown<String> joystickElement = screen.findNiftyControl("joystickControl", DropDown.class);
        int activeElement = 0; //we will default to first element if it is not set in options
        for (int i = 0; i < joysticks.length; i++) {
            joystickElement.addItem(joysticks[i].getName());
            if (options.getJoyId().orElse(-1) == joysticks[i].getJoyId()) {
                activeElement = i;
            }
        }
        joystickElement.selectItemByIndex(activeElement);
    }
}
 

import de.lessvoid.nifty.controls.DropDown; //导入依赖的package包/类
@SuppressWarnings("unchecked")
public void showSettingsPopup() {
	popupSettings = nifty.createPopup("popupSettings");

	// build the dropdown for resolutions
	DropDown<ResolutionEntry> dropdown = popupSettings.findNiftyControl("popupSettings_dropdownResolution", DropDown.class);
	dropdown.addItem(new ResolutionEntry(640, 480));
	dropdown.addItem(new ResolutionEntry(800, 600));
	dropdown.addItem(new ResolutionEntry(1024, 768));
	dropdown.addItem(new ResolutionEntry(1280, 960));
	dropdown.addItem(new ResolutionEntry(1280, 1024));
	dropdown.addItem(new ResolutionEntry(1280, 720));
	dropdown.addItem(new ResolutionEntry(1280, 800));
	dropdown.addItem(new ResolutionEntry(1680, 1050));
	dropdown.addItem(new ResolutionEntry(1920, 1080));
	dropdown.addItem(new ResolutionEntry(1920, 1200));

	nifty.showPopup(screen, popupSettings.getId(), null);
}
 

import de.lessvoid.nifty.controls.DropDown; //导入依赖的package包/类
private void populateTimeControl() {
    DropDown<String> timeControl = screen.findNiftyControl("timeControl", DropDown.class);
    timeControl.clear();
    timeControl.addItem("Now");
    for (int i = 0; i < 24; i++) {
        timeControl.addItem((i < 10 ? "0" + i : i) + ":00");
    }
    timeControl.selectItemByIndex(0);
}
 

import de.lessvoid.nifty.controls.DropDown; //导入依赖的package包/类
private void populateEnemyCount() {
    DropDown<String> enemyCountBtn = screen.findNiftyControl("enemyCount", DropDown.class);
    enemyCountBtn.clear();
    for (int i = 0; i < 251; i++) {
        enemyCountBtn.addItem("" + i);
    }
    enemyCountBtn.selectItemByIndex(0);
}
 

import de.lessvoid.nifty.controls.DropDown; //导入依赖的package包/类
private void setJoystick() {
    if (hasJoysticks) {
        DropDown<String> joystickElement = screen.findNiftyControl("joystickControl", DropDown.class);
        options.setJoyId(Optional.of(joysticks[joystickElement.getSelectedIndex()].getJoyId()));
        optionsManager.persistOptions(options);
    }
}
 

import de.lessvoid.nifty.controls.DropDown; //导入依赖的package包/类
@SuppressWarnings("unchecked")
@Override
public void bind(Nifty nifty, Screen screen) {
	window = screen.findNiftyControl("wdObjects", Window.class);
	ddXml = screen.findNiftyControl("ddXml", DropDown.class);
	ddPresetObject = screen.findNiftyControl("ddPresetObject", DropDown.class);
	nifty.subscribeAnnotations(this);
	
	String defaultFname = MainApp.DEFAULT_TABLESETUP_FNAME;
	int n = defaultFname.lastIndexOf('/');
	dirName = defaultFname.substring(0, n);
	refreshDdXml(defaultFname.substring(n + 1));
	
	ddPresetObject.addAllItems(Arrays.asList(PRESET_OBJECTS));
}
 

import de.lessvoid.nifty.controls.DropDown; //导入依赖的package包/类
@SuppressWarnings("unchecked")
@Override
public void bind(Nifty nifty, Screen screen) {
	window = screen.findNiftyControl("wdRobot", Window.class);
	ddRobotJoint = screen.findNiftyControl("ddRobotJoint", DropDown.class);
	
	for (String s : ROBOT_JOINTS) {
		ddRobotJoint.addItem(s);
	}
	ddRobotJointInd = ddRobotJoint.getSelectedIndex();
	
	nifty.subscribeAnnotations(this);
}
 

import de.lessvoid.nifty.controls.DropDown; //导入依赖的package包/类
protected void fillDropDown(String id, List<String> strings, int index){
    DropDown dd = guiCtrl.getControl(id, DropDown.class);
    dd.disable();
    dd.clear();
    dd.addAllItems(strings);
    dd.selectItemByIndex(index);
    dd.enable();
}
 

import de.lessvoid.nifty.controls.DropDown; //导入依赖的package包/类
private void populatePlaneSelect() {
    DropDown<String> planeSelect = screen.findNiftyControl("planeSelect", DropDown.class);
    planeSelect.clear();
    planeRegistry.availablePlanes().forEach(planeName -> planeSelect.addItem(planeName));
    planeSelect.selectItemByIndex(0);
}
 

import de.lessvoid.nifty.controls.DropDown; //导入依赖的package包/类
private DropDown findDropDownControl(final String id) {
return screen.findNiftyControl(id, DropDown.class);
  }