Merge branch 'directional-speeds-22'

resources/translations/Application.de.translation

@@ -91,6 +91,7 @@ export : exportieren
 Faster (10 {}) : 10 {} schneller
 Firing {} : starte {}
 FinishRoute : Route abschließen
+forward : vorwärts
 Found {} routes. : {} Routen gefunden.
 FreeStartBlock : Start-Block freigeben
 Fullscreen : Vollbild
@@ -156,6 +157,8 @@ quit autopilot : Autopilot beenden
 {} reached it`s destination! : {} ist am Ziel angekommen!
 Relay/Turnout : Relais/Weiche
 Report Issue : Problem melden
+reverse : rückwärts
+Reversed {}. : {} umgedreht.
 RIGHT : rechts
 Right port\: : Port für rechts
 Routes using this tile : Fahrstraßen, die diesen Abschnitt verwenden
@@ -210,7 +213,6 @@ STRAIGHT : gerade
 Switch power off : Strom ausschalten
 Switch power on : Strom anschalten
 SYSTEM : Betriebssystem
-Tag : Markierung
 Tags : Markierungen
 Text to display on clients\: : Text, welcher auf den Clients angezeigt werden soll:
 Text to show on display\: : Text, welcher in der Anzeige dargestellt werden soll:

src/main/java/de/srsoftware/web4rail/moving/Car.java

@@ -9,8 +9,8 @@ import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
-import java.util.Map.Entry;
 import java.util.TreeSet;
+import java.util.stream.Collectors;
 
 import org.json.JSONObject;
 import org.slf4j.Logger;
@@ -31,20 +31,24 @@ import de.srsoftware.web4rail.tags.Table;
 
 public class Car extends BaseClass implements Comparable<Car>{
 	protected static final Logger LOG = LoggerFactory.getLogger(Car.class);
-	static HashMap<Id,Car> cars = new HashMap<Id, Car>();
 	
 	public static final String NAME = "name";
+	public static boolean FORWARD = true;
+	public static boolean REVERSE = false;
 	private static final String LENGTH = "length";
 	private static final String STOCK_ID = "stock-id";
 	private static final String TAGS = "tags";
 	private static final String MAX_SPEED = "max_speed";
+	private static final String MAX_SPEED_REVERSE = "max_speed_reverse";
 	protected HashSet<String> tags = new HashSet<String>();
 	
 	private String name;
 	public int length;
 	protected String stockId = "";
 	private Train train;
-	protected int maxSpeed = 0;
+	protected int maxSpeedForward = 0;
+	protected int maxSpeedReverse = 0;
+	protected boolean orientation = FORWARD;
 	
 	public Car(String name) {
 		this(name,null);
@@ -52,14 +56,13 @@ public class Car extends BaseClass implements Comparable<Car>{
 	
 	public Car(String name, Id id) {
 		this.name = name;
-		if (isNull(id)) id = new Id();
 		this.id = id;
-		cars.put(id, this);
+		register();		
 	}	
 	
 	public static Object action(HashMap<String, String> params,Plan plan) throws IOException {
 		String id = params.get(ID);
-		Car car = id == null ? null : Car.get(id);
+		Car car = id == null ? null : Car.get(new Id(id));
 
 		switch (params.get(ACTION)) {
 			case ACTION_ADD:
@@ -67,8 +70,12 @@ public class Car extends BaseClass implements Comparable<Car>{
 					car.clone();
 				} else new Car(params.get(Car.NAME)).parent(plan);
 				return Car.manager();
+			case ACTION_MOVE:
+				return car.moveUp();
 			case ACTION_PROPS:
 				return car == null ? Car.manager() : car.properties();
+			case ACTION_TURN:
+				return car.turn();
 			case ACTION_UPDATE:
 				return car.update(params);
 		}
@@ -78,7 +85,7 @@ public class Car extends BaseClass implements Comparable<Car>{
 	
 	public Car clone() {
 		Car clone = new Car(name);
-		clone.maxSpeed = maxSpeed;
+		clone.maxSpeedForward = maxSpeedForward;
 		clone.length = length;
 		clone.tags = new HashSet<String>(tags);
 		clone.notes = notes;
@@ -90,16 +97,18 @@ public class Car extends BaseClass implements Comparable<Car>{
 	private Button cloneButton() {
 		return new Button(t("copy"),Map.of(REALM,REALM_CAR,ID,id(),ACTION,ACTION_ADD));
 	}
-
-	public static Car get(Object id) {		
-		return isNull(id) ? null : cars.get(new Id(""+id)); // try to get by id
-	}
 	
+	@Override
+	public int compareTo(Car o) {
+		return (stockId+":"+name).compareTo(o.stockId+":"+o.name);
+	}
+
 	public JSONObject json() {
 		JSONObject json = super.json();
 		json.put(NAME, name);
 		json.put(LENGTH, length);
-		if (maxSpeed != 0) json.put(MAX_SPEED, maxSpeed);
+		if (maxSpeedForward != 0) json.put(MAX_SPEED, maxSpeedForward);
+		if (maxSpeedReverse != 0) json.put(MAX_SPEED_REVERSE, maxSpeedReverse);
 		json.put(STOCK_ID, stockId);
 		if (!tags.isEmpty()) json.put(TAGS, tags);
 		return json;
@@ -119,7 +128,6 @@ public class Car extends BaseClass implements Comparable<Car>{
 	}
 	
 	public static void loadAll(String filename, Plan plan) throws IOException {
-		cars.clear();
 		BufferedReader file = new BufferedReader(new FileReader(filename, UTF8));
 		String line = file.readLine();
 		while (line != null) {
@@ -137,7 +145,11 @@ public class Car extends BaseClass implements Comparable<Car>{
 	public Car load(JSONObject json) {
 		super.load(json);
 		if (json.has(LENGTH)) length = json.getInt(LENGTH);
-		if (json.has(MAX_SPEED)) maxSpeed = json.getInt(MAX_SPEED);
+		if (json.has(MAX_SPEED)) {
+			maxSpeedForward = json.getInt(MAX_SPEED);
+			maxSpeedReverse = maxSpeedForward;
+		}
+		if (json.has(MAX_SPEED_REVERSE)) maxSpeedReverse = json.getInt(MAX_SPEED_REVERSE);
 		if (json.has(STOCK_ID)) stockId = json.getString(STOCK_ID);
 		if (json.has(TAGS)) json.getJSONArray(TAGS).forEach(elem -> { tags.add(elem.toString()); });
 		return this;
@@ -149,26 +161,30 @@ public class Car extends BaseClass implements Comparable<Car>{
 		new Tag("p").content(t("Click on a name to edit the entry.")).addTo(win);
 		
 		Table table = new Table().addHead(t("Stock ID"),t("Name"),t("Max. Speed",speedUnit),t("Length"),t("Train"),t("Tags"),t("Actions"));
-		cars.values()
-			.stream()
-			.filter(car -> !(car instanceof Locomotive))
-			.sorted((c1,c2)->{
-				try {
-					return Integer.parseInt(c1.stockId)-Integer.parseInt(c2.stockId);
-				} catch (NumberFormatException nfe) {
-					return c1.stockId.compareTo(c2.stockId);	
-				}
-				
-			})
-			.forEach(car -> table.addRow(
+		List<Car> cars = BaseClass.listElements(Car.class)
+				.stream()
+				.filter(car -> !(car instanceof Locomotive))
+				.sorted((c1,c2)->{
+					try {
+						return Integer.parseInt(c1.stockId)-Integer.parseInt(c2.stockId);
+					} catch (NumberFormatException nfe) {
+						return c1.stockId.compareTo(c2.stockId);	
+					}
+					
+				}).collect(Collectors.toList());
+		for (Car car : cars) {
+			String maxSpeed = (car.maxSpeedForward == 0 ? "–":""+car.maxSpeedForward)+NBSP;
+			if (car.maxSpeedReverse != car.maxSpeedForward) maxSpeed += "("+car.maxSpeedReverse+")"+NBSP;
+
+			table.addRow(
 					car.stockId,
 					car.link(),
-					car.maxSpeed == 0 ? "–":(car.maxSpeed+NBSP+speedUnit),
+					maxSpeed+speedUnit,
 					car.length+NBSP+lengthUnit,
 					isSet(car.train) ? car.train.link("span", car.train) : "",
 					String.join(", ", car.tags()),
-					car.cloneButton()
-			));
+					car.cloneButton());
+		}
 		table.addTo(win);
 		
 		Form form = new Form("add-car-form");
@@ -182,7 +198,12 @@ public class Car extends BaseClass implements Comparable<Car>{
 	}
 
 	public int maxSpeed() {
-		return maxSpeed;
+		return orientation == FORWARD ? maxSpeedForward : maxSpeedReverse;
+	}
+	
+	protected Window moveUp() {
+		if (!isSet(train())) return properties();
+		return train().moveUp(this);
 	}
 	
 	String name(){
@@ -194,8 +215,11 @@ public class Car extends BaseClass implements Comparable<Car>{
 		formInputs.add(t("Name"),new Input(NAME,name));
 		formInputs.add(t("Stock ID"),new Input(STOCK_ID,stockId));
 		formInputs.add(t("Length"),new Input(LENGTH,length).attr("type", "number").addTo(new Tag("span")).content(NBSP+lengthUnit));
-		formInputs.add(t("Tag"), new Input(TAGS,String.join(", ", tags)));
-		formInputs.add(t("Maximum Speed"),new Input(MAX_SPEED, maxSpeed).numeric().addTo(new Tag("span")).content(NBSP+speedUnit));
+		formInputs.add(t("Tags"), new Input(TAGS,String.join(", ", tags)));
+		Tag div = new Tag("div");
+		new Input(MAX_SPEED,         maxSpeedForward).numeric().addTo(new Tag("p")).content(NBSP+speedUnit+NBSP+t("forward")).addTo(div);
+		new Input(MAX_SPEED_REVERSE, maxSpeedReverse).numeric().addTo(new Tag("p")).content(NBSP+speedUnit+NBSP+t("reverse")).addTo(div);
+		formInputs.add(t("Maximum Speed"),div);
 		
 		Fieldset fieldset = new Fieldset(t("Train"));
 		if (train != null) train.link().addTo(fieldset);
@@ -214,7 +238,7 @@ public class Car extends BaseClass implements Comparable<Car>{
 
 	public static void saveAll(String filename) throws IOException {
 		BufferedWriter file = new BufferedWriter(new FileWriter(filename));
-		for (Entry<Id, Car> entry: cars.entrySet()) file.write(entry.getValue().json()+"\n");
+		for (Car car : BaseClass.listElements(Car.class)) file.write(car.json()+"\n");
 		file.close();
 	}
 	
@@ -243,7 +267,8 @@ public class Car extends BaseClass implements Comparable<Car>{
 		super.update(params);
 		if (params.containsKey(NAME)) name = params.get(NAME).trim();
 		if (params.containsKey(LENGTH)) length = Integer.parseInt(params.get(LENGTH));
-		if (params.containsKey(MAX_SPEED)) maxSpeed  = Integer.parseInt(params.get(MAX_SPEED));
+		if (params.containsKey(MAX_SPEED)) maxSpeedForward  = Integer.parseInt(params.get(MAX_SPEED));
+		if (params.containsKey(MAX_SPEED_REVERSE)) maxSpeedReverse = Integer.parseInt(params.get(MAX_SPEED_REVERSE));
 		if (params.containsKey(STOCK_ID)) stockId  = params.get(STOCK_ID);
 		if (params.containsKey(TAGS)) {
 			String[] parts = params.get(TAGS).replace(",", " ").split(" ");
@@ -256,8 +281,8 @@ public class Car extends BaseClass implements Comparable<Car>{
 		return properties();
 	}
 
-	@Override
-	public int compareTo(Car o) {
-		return (stockId+":"+name).compareTo(o.stockId+":"+o.name);
+	public String turn() {
+		orientation = !orientation;
+		return t("Reversed {}.",this);
 	}
 }

src/main/java/de/srsoftware/web4rail/moving/Locomotive.java

@@ -9,6 +9,7 @@ import java.util.Map;
 import org.json.JSONObject;
 
 import de.srsoftware.tools.Tag;
+import de.srsoftware.web4rail.BaseClass;
 import de.srsoftware.web4rail.Command;
 import de.srsoftware.web4rail.Constants;
 import de.srsoftware.web4rail.Device;
@@ -28,7 +29,6 @@ public class Locomotive extends Car implements Constants,Device{
 	
 	private static final String REVERSE = "reverse";
 	public static final String LOCOMOTIVE = "locomotive";
-	boolean reverse = false;
 	private Protocol proto = Protocol.DCC128;
 	private int address = 3;
 	private int speed = 0;
@@ -45,13 +45,15 @@ public class Locomotive extends Car implements Constants,Device{
 	
 	public static Object action(HashMap<String, String> params, Plan plan) throws IOException {
 		String id = params.get(ID);
-		Locomotive loco = id == null ? null : Locomotive.get(id);
+		Locomotive loco = id == null ? null : BaseClass.get(new Id(id));
 		switch (params.get(ACTION)) {
 			case ACTION_ADD:
 				new Locomotive(params.get(Locomotive.NAME)).parent(plan).register();
 				return Locomotive.manager();
 			case ACTION_FASTER10:
 				return loco.faster(10);
+			case ACTION_MOVE:
+				return loco.moveUp();
 			case ACTION_PROPS:
 				return loco == null ? Locomotive.manager() : loco.properties();
 			case ACTION_SLOWER10:
@@ -75,7 +77,7 @@ public class Locomotive extends Car implements Constants,Device{
 		
 		return t("Unknown action: {}",params.get(ACTION));
 	}
-	
+
 	@Override
 	public int address() {
 		return address;
@@ -161,12 +163,6 @@ public class Locomotive extends Car implements Constants,Device{
 		return properties();
 	}
 	
-	public static Locomotive get(Object id) {		
-		Car car = Car.get(id);
-		if (car instanceof Locomotive) return (Locomotive) car;
-		return null;
-	}
-	
 	private void init() {
 		if (init) return;
 		String proto = null;
@@ -205,7 +201,7 @@ public class Locomotive extends Car implements Constants,Device{
 	public JSONObject json() {
 		JSONObject json = super.json();
 		JSONObject loco = new JSONObject();
-		loco.put(REVERSE, reverse);
+		loco.put(REVERSE, orientation);
 		loco.put(PROTOCOL, proto);
 		loco.put(ADDRESS, address);		
 		json.put(LOCOMOTIVE, loco);
@@ -217,7 +213,7 @@ public class Locomotive extends Car implements Constants,Device{
 		super.load(json);
 		if (json.has(LOCOMOTIVE)) {
 			JSONObject loco = json.getJSONObject(LOCOMOTIVE);
-			if (loco.has(REVERSE)) reverse = loco.getBoolean(REVERSE);
+			if (loco.has(REVERSE)) orientation = loco.getBoolean(REVERSE);
 			if (loco.has(PROTOCOL)) proto = Protocol.valueOf(loco.getString(PROTOCOL));
 			if (loco.has(ADDRESS)) address = loco.getInt(ADDRESS);
 		}
@@ -231,13 +227,14 @@ public class Locomotive extends Car implements Constants,Device{
 		new Tag("p").content(t("Click on a name to edit the entry.")).addTo(win);
 		
 		Table table = new Table().addHead(t("Stock ID"),t("Name"),t("Max. Speed",speedUnit),t("Protocol"),t("Address"),t("Length"),t("Tags"));
-		cars.values()
-			.stream()
-			.filter(car -> car instanceof Locomotive)
-			.map(car -> (Locomotive)car)
-			.sorted(Comparator.comparing(loco -> loco.address))
-			.sorted(Comparator.comparing(loco -> loco.stockId))
-			.forEach(loco -> table.addRow(loco.stockId,loco.link(),loco.maxSpeed == 0 ? "–":loco.maxSpeed+NBSP+speedUnit,loco.proto,loco.address,loco.length+NBSP+lengthUnit,String.join(", ", loco.tags())));
+		List<Locomotive> locos = BaseClass.listElements(Locomotive.class);
+		locos.sort(Comparator.comparing(loco -> loco.address));
+		locos.sort(Comparator.comparing(loco -> loco.stockId));
+		for (Locomotive loco : locos) {
+			String maxSpeed = (loco.maxSpeedForward == 0 ? "–":""+loco.maxSpeedForward)+NBSP;
+			if (loco.maxSpeedReverse != loco.maxSpeedForward) maxSpeed += "("+loco.maxSpeedReverse+")"+NBSP;
+			table.addRow(loco.stockId,loco.link(),maxSpeed+speedUnit,loco.proto,loco.address,loco.length+NBSP+lengthUnit,String.join(", ", loco.tags()));
+		}
 		table.addTo(win);
 
 		
@@ -264,8 +261,8 @@ public class Locomotive extends Car implements Constants,Device{
 	}
 	
 	private void queue() {
-		int step = proto.steps * speed / (maxSpeed == 0 ? 100 : maxSpeed); 
-		plan.queue(new Command("SET {} GL "+address+" "+(reverse?1:0)+" "+step+" "+proto.steps+" "+(f1?1:0)+" "+(f2?1:0)+" "+(f3?1:0)+" "+(f4?1:0)) {
+		int step = proto.steps * speed / (maxSpeedForward == 0 ? 100 : maxSpeedForward); 
+		plan.queue(new Command("SET {} GL "+address+" "+(orientation == FORWARD ? 0 : 1)+" "+step+" "+proto.steps+" "+(f1?1:0)+" "+(f2?1:0)+" "+(f3?1:0)+" "+(f4?1:0)) {
 
 			@Override
 			public void onFailure(Reply reply) {
@@ -284,7 +281,7 @@ public class Locomotive extends Car implements Constants,Device{
 		LOG.debug(this.detail()+".setSpeed({})",newSpeed);
 		init();
 		speed = newSpeed;
-		if (speed > maxSpeed && maxSpeed > 0) speed = maxSpeed();
+		if (speed > maxSpeedForward && maxSpeedForward > 0) speed = maxSpeed();
 		if (speed < 0) speed = 0;
 		
 		queue();
@@ -322,9 +319,9 @@ public class Locomotive extends Car implements Constants,Device{
 		return t("{} F{}",t(active?"Activated":"Deavtivated"),f);
 	}
 	
-	public Object turn() {
-		reverse = !reverse;
+	public String turn() {		
 		stop();
+		super.turn();
 		return t("Stopped and reversed {}.",this);
 	}
 	

src/main/java/de/srsoftware/web4rail/moving/Train.java

@@ -7,6 +7,7 @@ import java.io.FileWriter;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.LinkedList;
@@ -65,10 +66,8 @@ public class Train extends BaseClass implements Comparable<Train> {
 	public boolean pushPull = false;
 	
 	private static final String CARS = "cars";
+	private static final String LOCOS = "locomotives";
 	private Vector<Car> cars = new Vector<Car>();
-
-	private static final String LOCOS = "locomotives";	
-	private Vector<Locomotive> locos = new Vector<Locomotive>();
 	
 	private static final String TAGS = "tags";
 
@@ -179,8 +178,9 @@ public class Train extends BaseClass implements Comparable<Train> {
 
 	private Object addCar(HashMap<String, String> params) {
 		LOG.debug("addCar({})",params);
-		if (!params.containsKey(CAR_ID)) return t("No car id passed to Train.addCar!");
-		Car car = Car.get(params.get(CAR_ID));
+		String carId = params.get(CAR_ID);
+		if (isNull(carId)) return t("No car id passed to Train.addCar!");
+		Car car = BaseClass.get(new Id(carId));
 		if (isNull(car)) return t("No car with id \"{}\" known!",params.get(CAR_ID));
 		add(car);
 		return properties();
@@ -188,9 +188,7 @@ public class Train extends BaseClass implements Comparable<Train> {
 
 	public void add(Car car) {
 		if (isNull(car)) return;
-		if (car instanceof Locomotive) {
-			locos.add((Locomotive) car);
-		} else cars.add(car);
+		cars.add(car);
 		car.train(this);
 	}
 	
@@ -209,41 +207,54 @@ public class Train extends BaseClass implements Comparable<Train> {
 	
 	public String brakeId(boolean reversed) {
 		TreeSet<String> carIds = new TreeSet<String>();
-		locos.stream().map(loco -> loco.id()+":"+(reversed != loco.reverse?"r":"f")).forEach(carIds::add);
-		cars.stream().map(car -> ""+car.id()).forEach(carIds::add);
+		cars.stream().map(car -> car.id()+":"+(car.orientation == reversed ? "r":"f")).forEach(carIds::add);		
 		String brakeId = md5sum(carIds);
 		LOG.debug("generated new brake id for {}: {}",this,brakeId);
 		return brakeId;
 	}
 	
 	private Tag carList() {
-		Tag locoProp = new Tag("li").content(t("Cars:"));
-		Tag locoList = new Tag("ul").clazz("carlist").content("");
+		Tag locoProp = new Tag("li").content(t("Locomotives and cars:"));
+		Tag carList = new Tag("ul").clazz("carlist");
 
 		for (Car car : this.cars) {
 			Tag li = new Tag("li");
-			car.link(car.name()+(car.stockId.isEmpty() ? "" : " ("+car.stockId+")")).addTo(li).content(NBSP);			
-			button(t("delete"),Map.of(ACTION,ACTION_DROP,CAR_ID,car.id().toString())).addTo(li);
-			li.addTo(locoList);
-		}
-
-		Form addCarForm = new Form("append-car-form");
-		addCarForm.content(t("add car:")+"&nbsp;");
-		new Input(REALM, REALM_TRAIN).hideIn(addCarForm);
-		new Input(ACTION, ACTION_ADD).hideIn(addCarForm);
-		new Input(ID,id).hideIn(addCarForm);
-		Select select = new Select(CAR_ID);
-		for (Car car : BaseClass.listElements(Car.class)) {
-			if (car instanceof Locomotive) continue;
-			if (isSet(car.train())) continue; 
-			select.addOption(car.id(), car+(car.stockId.isEmpty()?"":" ("+car.stockId+")"));
-		}
-		if (!select.children().isEmpty()) {
-			select.addTo(addCarForm);
-			new Button(t("add"),addCarForm).addTo(addCarForm);
-			addCarForm.addTo(new Tag("li")).addTo(locoList);
+			car.link(car.name()+(car.stockId.isEmpty() ? "" : " ("+car.stockId+")")).addTo(li).content(NBSP);
+			car.button(t("turn within train"),Map.of(ACTION,ACTION_TURN)).addTo(li);
+			car.button("↑",Map.of(ACTION,ACTION_MOVE)).addTo(li);
+			button(t("delete"),Map.of(ACTION,ACTION_DROP,LOCO_ID,car.id().toString())).addTo(li);			
+			li.addTo(carList);
+		}
+
+		List<Locomotive> locos = BaseClass.listElements(Locomotive.class).stream().filter(loco -> isNull(loco.train())).collect(Collectors.toList());
+		if (!locos.isEmpty()) {
+			Form addLocoForm = new Form("append-loco-form");
+			addLocoForm.content(t("add locomotive:")+"&nbsp;");
+			new Input(REALM, REALM_TRAIN).hideIn(addLocoForm);
+			new Input(ACTION, ACTION_ADD).hideIn(addLocoForm);
+			new Input(ID,id).hideIn(addLocoForm);
+			Select select = new Select(CAR_ID);
+			for (Car loco : locos) select.addOption(loco.id(), loco);
+			select.addTo(addLocoForm);
+			new Button(t("add"),addLocoForm).addTo(addLocoForm);
+			addLocoForm.addTo(new Tag("li")).addTo(carList);
 		}
-		return locoList.addTo(locoProp);
+		
+		List<Car> cars = BaseClass.listElements(Car.class).stream().filter(car -> !(car instanceof Locomotive)).filter(loco -> isNull(loco.train())).collect(Collectors.toList());
+		if (!cars.isEmpty()) {
+			Form addCarForm = new Form("append-car-form");
+			addCarForm.content(t("add car:")+"&nbsp;");
+			new Input(REALM, REALM_TRAIN).hideIn(addCarForm);
+			new Input(ACTION, ACTION_ADD).hideIn(addCarForm);
+			new Input(ID,id).hideIn(addCarForm);
+			Select select = new Select(CAR_ID);
+			for (Car car : cars) select.addOption(car.id(), car+(car.stockId.isEmpty()?"":" ("+car.stockId+")"));
+				select.addTo(addCarForm);
+				new Button(t("add"),addCarForm).addTo(addCarForm);
+				addCarForm.addTo(new Tag("li")).addTo(carList);
+			}
+		return carList.addTo(locoProp);
+	
 	}
 	
 	public List<Car> cars(){
@@ -256,7 +267,9 @@ public class Train extends BaseClass implements Comparable<Train> {
 	}
 	
 	private static Object create(HashMap<String, String> params, Plan plan) {
-		Locomotive loco = (Locomotive) Locomotive.get(params.get(Train.LOCO_ID));
+		String locoId = params.get(Train.LOCO_ID);
+		if (isNull(locoId)) return t("Need loco id to create new train!");
+		Locomotive loco = BaseClass.get(new Id(locoId));
 		if (isNull(loco)) return t("unknown locomotive: {}",params.get(ID));
 		Train train = new Train(loco);
 		train.parent(plan);
@@ -297,16 +310,13 @@ public class Train extends BaseClass implements Comparable<Train> {
 	}
 		
 	private Object dropCar(HashMap<String, String> params) {
-		Car car = Car.get(params.get(CAR_ID));
+		String carId = params.get(CAR_ID);
+		if (isNull(carId)) return t("Cannot drop car without car id!");
+		Car car = BaseClass.get(new Id(carId));		
 		if (isSet(car)) {
 			cars.remove(car);
 			car.train(null);
 		}
-		Locomotive loco = Locomotive.get(params.get(LOCO_ID));
-		if (isSet(loco)) {
-			locos.remove(loco);			
-			loco.train(null);
-		}
 		return properties();
 	}
 	
@@ -342,7 +352,6 @@ public class Train extends BaseClass implements Comparable<Train> {
 		if (isSet(route)) json.put(ROUTE, route.id());
 		if (isSet(direction)) json.put(DIRECTION, direction);
 		
-		json.put(LOCOS, locos.stream().map(l -> l.id().toString()).collect(Collectors.toList()));
 		json.put(CARS,cars.stream().map(c -> c.id().toString()).collect(Collectors.toList()));
 		json.put(TRACE, trace.stream().map(t -> t.id().toString()).collect(Collectors.toList()));
 		
@@ -352,7 +361,6 @@ public class Train extends BaseClass implements Comparable<Train> {
 		
 	public int length() {
 		int result = 0;		
-		for (Locomotive loco : locos) result += loco.length;
 		for (Car car : cars) result += car.length;
 		return result;
 	}
@@ -397,46 +405,14 @@ public class Train extends BaseClass implements Comparable<Train> {
 		if (json.has(TAGS))  json.getJSONArray(TAGS ).forEach(elem -> {  tags.add(elem.toString()); });
 		if (json.has(TRACE)) json.getJSONArray(TRACE).forEach(elem -> {  trace.add(plan.get(new Id(elem.toString()), false).set(this)); });
 		if (json.has(BLOCK)) currentBlock = (Block) plan.get(new Id(json.getString(BLOCK)), false).set(this); // do not move this up! during set, other fields will be referenced!
-		for (Object id : json.getJSONArray(CARS)) add(Car.get(id));
-		for (Object id : json.getJSONArray(LOCOS)) add((Locomotive) Car.get(id));
+		if (json.has(LOCOS)) { // for downward compatibility
+			for (Object id : json.getJSONArray(LOCOS)) add(BaseClass.get(new Id(""+id)));	
+		}		
+		for (Object id : json.getJSONArray(CARS)) add(BaseClass.get(new Id(""+id)));
 		super.load(json);
 		return this;
 	}
 	
-	private Tag locoList() {
-		Tag locoProp = new Tag("li").content(t("Locomotives:"));
-		Tag locoList = new Tag("ul").clazz("locolist");
-
-		for (Locomotive loco : this.locos) {
-			Tag li = new Tag("li");
-			loco.link(loco.name()+(loco.stockId.isEmpty() ? "" : " ("+loco.stockId+")")).addTo(li);
-			loco.button(t("turn within train"),Map.of(ACTION,ACTION_TURN)).addTo(li);
-			button(t("delete"),Map.of(ACTION,ACTION_DROP,LOCO_ID,loco.id().toString())).addTo(li);
-			li.addTo(locoList);
-		}
-
-		Form addLocoForm = new Form("append-loco-form");
-		addLocoForm.content(t("add locomotive:")+"&nbsp;");
-		new Input(REALM, REALM_TRAIN).hideIn(addLocoForm);
-		new Input(ACTION, ACTION_ADD).hideIn(addLocoForm);
-		new Input(ID,id).hideIn(addLocoForm);
-		Select select = new Select(CAR_ID);
-		for (Car loco : BaseClass.listElements(Locomotive.class)) {
-			if (isNull(loco.train())) select.addOption(loco.id(), loco);
-		}
-		if (!select.children().isEmpty()) {
-			select.addTo(addLocoForm);
-			new Button(t("add"),addLocoForm).addTo(addLocoForm);
-			addLocoForm.addTo(new Tag("li")).addTo(locoList);
-		}
-		return locoList.addTo(locoProp);
-	}
-	
-	public List<Car> locos(){
-		return new Vector<Car>(locos);
-	}
-
-	
 	public static Object manager() {
 		Window win = new Window("train-manager", t("Train manager"));
 		new Tag("h4").content(t("known trains")).addTo(win);
@@ -481,11 +457,6 @@ public class Train extends BaseClass implements Comparable<Train> {
 	
 	private int maxSpeed() {
 		int maxSpeed = Integer.MAX_VALUE;
-		for (Locomotive loco : locos) {
-			int max = loco.maxSpeed();
-			if (max == 0) continue;
-			maxSpeed = Math.min(max, maxSpeed);
-		}
 		for (Car car : cars) {
 			int max = car.maxSpeed();
 			if (max == 0) continue;
@@ -493,9 +464,21 @@ public class Train extends BaseClass implements Comparable<Train> {
 		}
 		return maxSpeed;
 	}
+	
+	public Window moveUp(Car car) {
+		for (int i = 1; i<cars.size(); i++) {
+			if (cars.get(i) == car) {
+				cars.remove(i);
+				cars.insertElementAt(car, i-1);
+				break;
+			}
+		}
+		return properties();
+	}
+
 
 	public String name() {
-		return (isSet(name) ? name : locos.firstElement().name());
+		return (isSet(name) ? name : cars.stream().filter(car -> isSet(car.name())).findFirst().get().name());
 	}
 	
 	private Train name(String newName) {
@@ -513,7 +496,6 @@ public class Train extends BaseClass implements Comparable<Train> {
 		
 		Tag propList = new Tag("ul").clazz("proplist");
 		
-		locoList().addTo(propList);
 		carList().addTo(propList);
 		
 		if (isSet(currentBlock)) currentBlock.button(currentBlock.toString()).addTo(new Tag("li").content(t("Current location:")+NBSP)).addTo(propList);
@@ -579,7 +561,6 @@ public class Train extends BaseClass implements Comparable<Train> {
 		if (child == currentBlock) currentBlock = null;
 		if (child == destination) destination = null;
 		cars.remove(child);
-		locos.remove(child);
 		trace.remove(child);
 		super.removeChild(child);
 	}
@@ -657,7 +638,7 @@ public class Train extends BaseClass implements Comparable<Train> {
 	public void setSpeed(int newSpeed) {
 		speed = Math.min(newSpeed,maxSpeed());
 		if (speed < 0) speed = 0;
-		for (Locomotive loco : locos) loco.setSpeed(speed);
+		cars.stream().filter(c -> c instanceof Locomotive).forEach(car -> ((Locomotive)car).setSpeed(speed));
 		plan.stream(t("Set {} to {} {}",this,speed,speedUnit));
 	}
 
@@ -781,19 +762,21 @@ public class Train extends BaseClass implements Comparable<Train> {
 
 	public SortedSet<String> tags() {
 		TreeSet<String> list = new TreeSet<String>(tags);
-		for (Locomotive loco : locos) list.addAll(loco.tags());
+		//for (Locomotive loco : locos) list.addAll(loco.tags());
 		for (Car car:cars) list.addAll(car.tags());
 		return list;
 	}
 	
 	@Override
 	public String toString() {
-		return isSet(name) ? name : locos.firstElement().name();
+		return name();
 	}
 	
 	public Tag turn() {
 		LOG.debug("train.turn()");
-		for (Locomotive loco : locos) loco.turn();
+		 
+		for (Car car : cars) car.turn();
+		Collections.reverse(cars);
 		if (isSet(direction)) {
 			direction = direction.inverse();
 			reverseTrace();