more refactoring

pom.xml

@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>de.srsoftware</groupId>
 	<artifactId>web4rail</artifactId>
-	<version>1.2.8</version>
+	<version>1.2.9</version>
 	<name>Web4Rail</name>
 	<packaging>jar</packaging>
 	<description>Java Model Railway Control</description>

resources/translations/Application.de.translation

@@ -17,6 +17,7 @@ Add tile : Kachel hinzufügen
 Address : Adresse
 Address\: : Adresse:
 Analyze : analysieren
+and : und
 Apply : Übernehmen
 Auto pilot : Autopilot
 Availability : Verfügbarkeit
@@ -37,9 +38,10 @@ Car manager : Waggon-Verwaltung
 Cars\: : Waggons:
 Click here to select train! : HIer klicken, um Zug auszuwählen!
 [Click here to select block!] : [Hier klicken, um Block auszuwählen!]
-[Click here to add condition] : [Hier klicken, um Bedingung hinzuzufügen]
+Click to setup tag : Hier klicken, um Markierung anzugeben
+Click here to add conditions : Hier klicken, um Bedingungen hinzuzufügen
 [Click here to select display!] : [Hier klicken, um Anzeige auszuwählen!]
-[Click here to select train!] : [Hier klicken, um Zug auszuwählen!]
+Click here to select train! : Hier klicken, um Zug auszuwählen!
 click here to setup contact : Hier klicken, um Kontakt auszuwählen
 click here to setup relay : Hier klicken, um Relais einzurichten
 Click on a name to edit the entry. : Klicke auf einen Namen, um einen Eintrag zu bearbeiten.
@@ -69,7 +71,7 @@ Determine, which train is in {} : Bestimmen, welcher Zug sich in {} befindet
 Direction : Richtung
 Direction\: heading {} : Richtung: nach {}
 disabled : deaktiviert
-Display "{}" on clients. : „{}“ auf den Clients anzeigen.
+Display "{}" on {}. : „{}“ auf {} anzeigen.
 Drop : Verwerfen
 Dropped destination of {}. : Ziel von {} verworfen.
 1) Duration between 5 {} steps during brake process. : 1) Zeit zwischen 5 {}-Schritten beim Bremsvorgang.
@@ -124,8 +126,10 @@ Notes : Notizen
 Occupied area\: : Belegte Abschnitte:
 Off : Aus
 On : An
+One of : eine von
 One way : Richtung
 Online Documentation : Online-Dokumentation
+or : oder
 OrCondition : Oder-Bedingung
 other train properties : andere Zug-Eigenschaften
 Origin and destination : Start und Ziel
@@ -148,10 +152,10 @@ Route will only be available, if all conditions are fulfilled. : Route ist nur v
 Save : speichern
 Select block : Block auswählen
 Select contact\: : Kotakt auswählen:
-Select display\: : Anzeige auswählen:
+Select display : Anzeige auswählen
 Select from plan : Auf Plan auswählen
 Select relay\: : Relais auswählen:
-Select train\: : Zug auswählen:
+Select train: : Zug auswählen
 SendCommand : Kommando senden
 Send command "{}" to control unit : Kommando „{}“ an Zentrale senden
 Set {} as context : {} als Kontext setzen

src/main/java/de/srsoftware/web4rail/BaseClass.java

@@ -238,11 +238,7 @@ public abstract class BaseClass implements Constants{
 		if (this instanceof Train) return REALM_TRAIN;
 		return REALM_PLAN;
 	}
-	
+		
-	public Map<String,String> contextAction(String action){
-		return Map.of(ACTION,action,CONTEXT,realm()+":"+id());
-	}
-	
 	public Form form(String id,List<Map.Entry<String, Tag>> elements) {
 		Form form = new Form(id);
 
@@ -356,7 +352,7 @@ public abstract class BaseClass implements Constants{
 
 	
 	protected Window properties(List<Fieldset> preForm,FormInput formInputs,List<Fieldset> postForm) {
-		Window win = new Window(getClass().getSimpleName()+"-properties", t("Properties of {}",this));
+		Window win = new Window(getClass().getSimpleName()+"-properties", t("Properties of {} ({})",this.title(),id));
 		
 		preForm.forEach(fieldset -> fieldset.addTo(win));
 
@@ -375,6 +371,10 @@ public abstract class BaseClass implements Constants{
 		return win;
 	}
 	
+	private String title() {
+		return getClass().getSimpleName();
+	}
+
 	private Map<String,String> props(Map<String,String> additionalProps){
 		HashMap<String,String> props = new HashMap<String, String>(Map.of(REALM, realm(), ACTION, ACTION_PROPS, ID, id().toString()));
 		if (isSet(additionalProps)) props.putAll(additionalProps);

src/main/java/de/srsoftware/web4rail/Plan.java

@@ -716,10 +716,10 @@ public class Plan extends BaseClass{
 	 * @throws IOException
 	 */
 	public void set(int x,int y,Tile tile) throws IOException {
-		if (tile == null) return;
+		if (isNull(tile)) return;
-		for (int i=1; i<tile.width(); i++) set(x+i,y,new Shadow(tile));
-		for (int i=1; i<tile.height(); i++) set(x,y+i,new Shadow(tile));
 		setIntern(x,y,tile);
+		for (int i=1; i<tile.width(); i++) set(x+i,y,new Shadow(tile,x+i,y));
+		for (int i=1; i<tile.height(); i++) set(x,y+i,new Shadow(tile,x,y+1));
 		place(tile);		
 	}
 	

src/main/java/de/srsoftware/web4rail/Route.java

@@ -167,8 +167,7 @@ public class Route extends BaseClass implements Comparable<Route>{
 		switch (params.get(ACTION)) {
 			case ACTION_DROP:
 				route.remove();
-				return t("Removed {}.",route);
+				return t("Removed {}.",route);				
-				
 			case ACTION_PROPS:
 				return route.properties();
 			case ACTION_UPDATE:
@@ -552,9 +551,9 @@ public class Route extends BaseClass implements Comparable<Route>{
 			for (Object signalId : json.getJSONArray(SIGNALS)) addSignal((Signal) plan.get(new Id((String) signalId), false));
 		}
 		if (json.has(ACTION_LISTS)) loadActions(json.getJSONArray(ACTION_LISTS));
-		if (json.has(CONDITIONS)) conditions.load(json.getJSONArray(CONDITIONS));
+		if (json.has(CONDITIONS)) conditions.load(json.getJSONArray(CONDITIONS)).parent(this);
-		if (json.has(SETUP_ACTIONS)) setupActions.load(json.getJSONArray(SETUP_ACTIONS));
+		if (json.has(SETUP_ACTIONS)) setupActions.load(json.getJSONArray(SETUP_ACTIONS)).parent(this);
-		if (json.has(START_ACTIONS)) startActions.load(json.getJSONArray(START_ACTIONS));
+		if (json.has(START_ACTIONS)) startActions.load(json.getJSONArray(START_ACTIONS)).parent(this);
 		if (json.has(DISABLED)) disabled = json.getBoolean(DISABLED);
 		if (json.has(BRAKE_TIMES)) {
 			JSONObject dummy = json.getJSONObject(BRAKE_TIMES);
@@ -568,6 +567,7 @@ public class Route extends BaseClass implements Comparable<Route>{
 			JSONObject json = arr.getJSONObject(i);
 			String trigger = json.getString(TRIGGER);
 			ActionList actionList = new ActionList(this).load(json.getJSONArray(ACTIONS));
+			actionList.parent(this);
 			triggers.put(trigger, actionList);
 		}
 	}

src/main/java/de/srsoftware/web4rail/actions/Action.java

@@ -13,7 +13,6 @@ import de.keawe.tools.translations.Translation;
 import de.srsoftware.tools.Tag;
 import de.srsoftware.web4rail.Application;
 import de.srsoftware.web4rail.BaseClass;
-import de.srsoftware.web4rail.Window;
 import de.srsoftware.web4rail.tags.Label;
 import de.srsoftware.web4rail.tags.Select;
 
@@ -32,6 +31,12 @@ public abstract class Action extends BaseClass {
 		parent(parent);
 	}
 	
+	public BaseClass context() {
+		BaseClass context = this;
+		while (context instanceof Action && isSet(context.parent())) context = context.parent();
+		return context;
+	}
+	
 	public static Action create(String type,BaseClass parent) {
 		try {
 			return (Action) Class.forName(PREFIX+"."+type).getDeclaredConstructor(BaseClass.class).newInstance(parent);
@@ -41,16 +46,6 @@ public abstract class Action extends BaseClass {
 		return null;
 	}
 	
-	public boolean drop() {
-		BaseClass parent = parent();
-		if (parent instanceof ActionList) {
-			ActionList actionList = (ActionList) parent;
-			return actionList.drop(this);
-		}
-		LOG.error("Action.drop() called on Action ({}) whose parent ({}) is not an ActionList!",this,parent); 
-		return false;
-	}
-	
 	public boolean equals(Action other) {
 		return this.toString().equals(other.toString());
 	}
@@ -104,10 +99,10 @@ public abstract class Action extends BaseClass {
 		return false;
 	}
 
-	@Override
+/*	@Override
 	public Window properties() { // goes up to first ancestor, which is not an Action
 		return parent().properties();
-	}
+	}*/
 	
 	public static Tag selector() {
 		Select select = new Select(TYPE);
@@ -134,6 +129,6 @@ public abstract class Action extends BaseClass {
 	@Override
 	protected Object update(HashMap<String, String> params) {
 		super.update(params);
-		return properties();		
+		return context().properties();		
 	}
 }

src/main/java/de/srsoftware/web4rail/actions/ActionList.java

@@ -3,6 +3,7 @@ package de.srsoftware.web4rail.actions;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Map;
 import java.util.Vector;
 
 import org.json.JSONArray;
@@ -29,12 +30,12 @@ public class ActionList extends Action implements Iterable<Action>{
 		actions = new Vector<Action>();
 	}
 
-	private Object actionTypeForm(Window win, String context) {
+	private Tag actionTypeForm() {
+		Window win = new Window("add-action-form", t("Add action to action list"));		
 		Form typeForm = new Form("add-action-to-"+id);
 		new Input(REALM, REALM_ACTIONS).hideIn(typeForm);
 		new Input(ID,id).hideIn(typeForm);
 		new Input(ACTION,ACTION_ADD).hideIn(typeForm);
-		new Input(CONTEXT,context).hideIn(typeForm);
 		Action.selector().addTo(typeForm);
 		return new Button(t("Create action"),typeForm).addTo(typeForm).addTo(win);
 	}
@@ -45,18 +46,14 @@ public class ActionList extends Action implements Iterable<Action>{
 	}
 	
 	private Object addActionForm(HashMap<String, String> params, Plan plan) {
-		Window win = new Window("add-action-form", t("Add action to action list"));		
 		String type = params.get(TYPE);
-		String context = params.get(CONTEXT);
+		if (isNull(type)) return actionTypeForm();
-		if (type == null) return actionTypeForm(win,context);
 		Action action = Action.create(type,this);
 		if (action instanceof Action) {
 			add(action);
-			return parent().properties();
+			return context().properties();
 		} 
-		actionTypeForm(win,context);
+		return new Tag("span").content(t("Unknown action type: {}",type)).addTo(actionTypeForm());
-		new Tag("span").content(t("Unknown action type: {}",type)).addTo(win);
-		return win;			
 	}
 	
 	public void addActionsFrom(ActionList other) {
@@ -117,18 +114,18 @@ public class ActionList extends Action implements Iterable<Action>{
 	}
 
 	public Tag list() {
-		Button button = button(t("add action"), contextAction(ACTION_ADD_ACTION));
 		Tag span = new Tag("span");
-		button.addTo(span);
+		button(t("add action"), Map.of(ACTION, ACTION_ADD)).addTo(span);
 		
 		if (!isEmpty()) {
 			Tag list = new Tag("ol");
 			boolean first = true;
 			for (Action action : actions) {
-				Tag item = action.link("span",action).addTo(new Tag("li"));
+				Tag item = action.link("span",action).addTo(new Tag("li")).content(NBSP);
+				action.button("-", Map.of(ACTION,ACTION_DROP)).addTo(item);
 				if (first) {
 					first = false;
-				} else action.button("↑", contextAction(ACTION_MOVE)).addTo(item.content(NBSP));
+				} else action.button("↑", Map.of(ACTION,ACTION_MOVE)).addTo(item);
 				if (action instanceof ActionList) ((ActionList) action).list().addTo(item);
 				item.addTo(list);
 			}
@@ -174,7 +171,10 @@ public class ActionList extends Action implements Iterable<Action>{
 				if (isNull(actionList)) return t("Id ({}) does not belong to ActionList!",actionId);
 				return actionList.addActionForm(params,plan);
 			case ACTION_DROP:
-				return action.drop() ? action.properties() : t("No action with id {} found!",actionId);
+				if (isNull(action)) return t("No action with id {} found!",actionId);
+				BaseClass context = action.context();
+				action.remove();
+				return context.properties();
 			case ACTION_MOVE:
 				return action.moveUp() ? action.properties() : t("No action with id {} found!",actionId);
 			case ACTION_PROPS:
@@ -189,7 +189,7 @@ public class ActionList extends Action implements Iterable<Action>{
 	protected Window properties(List<Fieldset> preForm, FormInput formInputs, List<Fieldset> postForm) {
 		Fieldset fieldset = new Fieldset(t("Actions"));
 		list().addTo(fieldset);
-		preForm.add(fieldset);
+		postForm.add(fieldset);
 		return super.properties(preForm, formInputs, postForm);
 	}
 	

src/main/java/de/srsoftware/web4rail/actions/ConditionalAction.java

@@ -2,68 +2,29 @@ package de.srsoftware.web4rail.actions;
 
 import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
-import java.util.Vector;
 
 import org.json.JSONArray;
 import org.json.JSONObject;
 
-import de.srsoftware.tools.Tag;
 import de.srsoftware.web4rail.BaseClass;
 import de.srsoftware.web4rail.Window;
 import de.srsoftware.web4rail.conditions.Condition;
-import de.srsoftware.web4rail.tags.Button;
+import de.srsoftware.web4rail.conditions.ConditionList;
 import de.srsoftware.web4rail.tags.Fieldset;
-import de.srsoftware.web4rail.tags.Form;
-import de.srsoftware.web4rail.tags.Input;
 
 public class ConditionalAction extends ActionList {
 	
 	private static final String CONDITIONS = "conditions";
 	private static final String ACTIONS = "actions";
-	private Vector<Condition> conditions = new Vector<Condition>();
+	private ConditionList conditions = new ConditionList();
 
 	public ConditionalAction(BaseClass parent) {
 		super(parent);
-	}
+		conditions.parent(this);
-
-	private StringBuffer conditions() {
-		StringBuffer sb = new StringBuffer();		
-		for (int i = 0; i<conditions.size(); i++) {
-			if (i>0) sb.append(t(" and "));
-			sb.append(conditions.get(i).toString());
-		}
-		return sb;
-	}
-	
-	private Fieldset conditionForm() {
-		Fieldset fieldset = new Fieldset(t("Conditions"));
-
-		new Tag("p").content(t("Actions will only fire, if all conditions are fullfilled.")).addTo(fieldset);
-		if (!conditions.isEmpty()) {
-			Tag list = new Tag("ul");
-			for (Condition condition : conditions) {
-				Tag li = link("span", condition+NBSP,Map.of()).addTo(new Tag("li"));
-				HashMap<String,Object> props = new HashMap<String, Object>(Map.of(REALM,REALM_CONDITION,ID,condition.id(),ACTION,ACTION_DROP,CONTEXT, REALM_ACTIONS+":"+id()));
-				new Button(t("delete"), props).addTo(li).addTo(list);
-			}
-			list.addTo(fieldset);
-		}
-
-		Form form = new Form("action-prop-form-"+id);
-		new Input(REALM,REALM_ACTIONS).hideIn(form);
-		new Input(ID,id()).hideIn(form);
-		new Input(ACTION,ACTION_UPDATE).hideIn(form);
-
-		Condition.selector().addTo(form);
-		
-		new Button(t("Add condition"),form).addTo(form);
-		button(t("Back")).addTo(form).addTo(fieldset);
-		return fieldset;
 	}
 
 	public boolean equals(ConditionalAction other) {
-		return (conditions()+":"+actions).equals(other.conditions()+":"+other.actions);
+		return (conditions+":"+actions).equals(other.conditions+":"+other.actions);
 	}
 		
 	@Override
@@ -103,10 +64,7 @@ public class ConditionalAction extends ActionList {
 
 	@Override
 	protected Window properties(List<Fieldset> preForm, FormInput formInputs, List<Fieldset> postForm) {
-		preForm.add(conditionForm());
+		preForm.add(conditions.list());
-		Fieldset fieldset = new Fieldset(t("Actions"));
-		list().addTo(fieldset);
-		postForm.add(fieldset);
 		return super.properties(preForm, formInputs, postForm);
 		
 	}
@@ -118,8 +76,8 @@ public class ConditionalAction extends ActionList {
 
 	@Override
 	public String toString() {
-		if (conditions.isEmpty()) return t("[Click here to add condition]");
+		if (conditions.isEmpty()) return "["+t("Click here to add conditions")+"]";
-		return t("if ({}):",conditions());
+		return t("if ({}):",conditions);
 	}
 
 	@Override

src/main/java/de/srsoftware/web4rail/actions/DelayedAction.java

@@ -61,9 +61,6 @@ public class DelayedAction extends ActionList {
 	@Override
 	protected Window properties(List<Fieldset> preForm, FormInput formInputs, List<Fieldset> postForm) {
 		formInputs.add(t("Delay"),new Input(DELAY,delay).numeric().addTo(new Tag("span")).content(NBSP+"ms"));
-		Fieldset fieldset = new Fieldset(t("Actions"));
-		list().addTo(fieldset);
-		postForm.add(fieldset);
 		return super.properties(preForm, formInputs, postForm);
 	}
 

src/main/java/de/srsoftware/web4rail/actions/SetDisplayText.java

@@ -68,10 +68,9 @@ public class SetDisplayText extends TextAction{
 	}
 	
 	@Override
-	protected Object update(HashMap<String, String> params) {
+	protected Object update(HashMap<String, String> params) {		
-		super.update(params);
 		String displayId = params.get(TextDisplay.class.getSimpleName());
 		if (isSet(displayId)) display = (TextDisplay) plan.get(new Id(displayId), false);
-		return properties();
+		return super.update(params);
 	}
 }

src/main/java/de/srsoftware/web4rail/actions/TextAction.java

@@ -55,6 +55,6 @@ public abstract class TextAction extends Action {
 	protected Object update(HashMap<String, String> params) {
 		LOG.debug("update: {}",params);
 		text = params.get(TEXT);
-		return properties();
+		return super.update(params);
 	}
 }

src/main/java/de/srsoftware/web4rail/conditions/Condition.java

@@ -16,9 +16,9 @@ import de.srsoftware.web4rail.Application;
 import de.srsoftware.web4rail.BaseClass;
 import de.srsoftware.web4rail.Plan;
 import de.srsoftware.web4rail.Window;
+import de.srsoftware.web4rail.actions.Action;
 import de.srsoftware.web4rail.tags.Checkbox;
 import de.srsoftware.web4rail.tags.Fieldset;
-import de.srsoftware.web4rail.tags.Label;
 import de.srsoftware.web4rail.tags.Select;
 
 public abstract class Condition extends BaseClass {
@@ -40,48 +40,36 @@ public abstract class Condition extends BaseClass {
 		String action = params.get(ACTION);
 		if (action == null) return t("No action passed to Condition.action!");
 		
-		Id cid = Id.from(params);
+		Id id = Id.from(params);
-		
+		Condition condition = BaseClass.get(id);
-		if (isSet(cid)) {		
-			Condition condition = BaseClass.get(cid);
-			if (isNull(condition)) return t("No condition with id {}!",cid);
-		
-			switch (action) {
-				case ACTION_PROPS:
-					return condition.properties();
-				case ACTION_UPDATE:
-					condition.update(params);
-					return condition.parent().properties();
-				case ACTION_DROP:
-					condition.remove();
-					return condition.parent().properties();
-			}
-			return t("Unknown action: {}",action);
-		}
 		
 		switch (action) {
 			case ACTION_ADD:
 				return addCondition(params);
-				
+			case ACTION_DROP:
+				BaseClass context = condition.context();
+				condition.remove();
+				return context.properties();
+			case ACTION_PROPS:
+				return condition.properties();
+			case ACTION_UPDATE:
+				condition.update(params);
+				return condition.context().properties();
 		}
 		return t("Unknown action: {}",action);
-
 	}
 	
 	private static Object addCondition(HashMap<String, String> params) {
 		String type = params.get(REALM_CONDITION);
 		if (isNull(type)) return t("No type supplied to addCondition!");
 		
-		Id parentId = Id.from(params, PARENT);
+		Id parentId = Id.from(params);
 		if (isNull(parentId)) return t("No parent id supplied to addCondition");
 		
-		BaseClass parent = BaseClass.get(parentId);
+		ConditionList conditionList = BaseClass.get(parentId);
-		if (isNull(parent)) return t("No condition with id {} found!",parentId);
+		if (isNull(conditionList)) return t("No condition list with id {} found!",parentId);
 		
-		Condition condition = Condition.create(type);
+		return conditionList.add(Condition.create(type)).properties();
-		if (isNull(condition)) return t("Unknown type \"{}\" of condition!",type);
-		
-		return condition.parent(parent).properties();
 	}
 
 	public static Condition create(String type) {
@@ -94,6 +82,14 @@ public abstract class Condition extends BaseClass {
 		return null;
 	}
 	
+	public BaseClass context() {
+		BaseClass context = this;
+		while (isSet(context.parent()) && (context instanceof Condition || context instanceof Action)) {
+			context = context.parent();
+		}
+		return context;
+	}
+	
 	public abstract boolean fulfilledBy(Context context);
 	
 	public JSONObject json() {
@@ -137,7 +133,7 @@ public abstract class Condition extends BaseClass {
 		return super.properties(preForm, formInputs, postForm);
 	}
 	
-	public static Tag selector() {
+	public static Select selector() {
 		Select select = new Select(REALM_CONDITION);
 		TreeMap<String, String> names = new TreeMap<String, String>(String.CASE_INSENSITIVE_ORDER);
 		
@@ -147,7 +143,7 @@ public abstract class Condition extends BaseClass {
 		}
 		
 		for (Entry<String, String> entry : names.entrySet()) select.addOption(entry.getValue(), entry.getKey());
-		return select.addTo(new Label(t("Condition type:")+NBSP));
+		return select;
 	}
 	
 	public static String t(String text, Object...fills) {

src/main/java/de/srsoftware/web4rail/conditions/ConditionList.java

@@ -1,6 +1,7 @@
 package de.srsoftware.web4rail.conditions;
 
 import java.util.Iterator;
+import java.util.Map;
 import java.util.Vector;
 import java.util.stream.Stream;
 
@@ -9,6 +10,7 @@ import org.json.JSONObject;
 
 import de.srsoftware.tools.Tag;
 import de.srsoftware.web4rail.BaseClass;
+import de.srsoftware.web4rail.Window;
 import de.srsoftware.web4rail.tags.Button;
 import de.srsoftware.web4rail.tags.Fieldset;
 import de.srsoftware.web4rail.tags.Form;
@@ -18,8 +20,10 @@ public class ConditionList extends Condition implements Iterable<Condition>{
 	
 	private Vector<Condition> conditions = new Vector<Condition>();
 	
-	public void add(Condition condition) {
+	public ConditionList add(Condition condition) {
 		conditions.add(condition);
+		condition.parent(this);
+		return this;
 	}
 
 	public void addAll(ConditionList conditions) {
@@ -34,6 +38,10 @@ public class ConditionList extends Condition implements Iterable<Condition>{
 		return true;
 	}
 	
+	protected String glue() {
+		return t("and");
+	}
+	
 	public boolean isEmpty() {
 		return conditions.isEmpty();
 	}
@@ -62,14 +70,26 @@ public class ConditionList extends Condition implements Iterable<Condition>{
 	public Fieldset list(String caption) {
 		Fieldset fieldset = new Fieldset(t("Conditions"));
 		if (caption != null) new Tag("p").content(caption).addTo(fieldset);
-		Tag list = new Tag("ul");
+		listInternal().addTo(fieldset);
-		newConditionForm().addTo(new Tag("li")).addTo(list);
-		conditions.forEach(condition -> condition.link("li", condition).addTo(list));
-		list.addTo(fieldset);
 		return fieldset;
 	}
+	
+	private Tag listInternal() {
+		Tag list = new Tag("ul");
+		for (Condition condition : conditions) {
+			Tag item = new Tag("li");
+			condition.link("span", condition).addTo(item);
+			condition.button(t("delete"), Map.of(ACTION,ACTION_DROP)).addTo(item.content(NBSP)).addTo(list);
+			if (condition instanceof ConditionList) {
+				((ConditionList)condition).listInternal().addTo(item);
+			}						
+		}
+		newConditionForm().addTo(new Tag("li")).addTo(list);
+		return list;
+		
+	}
 
-	public void load(JSONArray arr) {
+	public ConditionList load(JSONArray arr) {
 		for (int i=0; i<arr.length(); i++) {
 			JSONObject json = arr.getJSONObject(i);
 			Condition condition = Condition.create(json.getString(TYPE));			
@@ -78,18 +98,26 @@ public class ConditionList extends Condition implements Iterable<Condition>{
 				conditions.add(condition.load(json));
 			}
 		}
+		return this;
 	}
 
 	private Form newConditionForm() {
-		Form form = new Form("add-condition-form");
+		Form form = new Form("new-condition-form-"+id());
 		new Input(REALM, REALM_CONDITION).hideIn(form);
 		new Input(ACTION,ACTION_ADD).hideIn(form);
-		new Input(PARENT,id());
+		new Input(ID,id()).hideIn(form);
 		Condition.selector().addTo(form);
 		new Button(t("Add condition"), form).addTo(form);
 		return form;
 	}
 	
+	@Override
+	public Window properties() {
+		BaseClass parent = parent();
+		if (isSet(parent)) return parent.properties();
+		return super.properties();
+	}
+	
 	@Override
 	public BaseClass remove() {
 		super.remove();
@@ -110,4 +138,13 @@ public class ConditionList extends Condition implements Iterable<Condition>{
 	public Stream<Condition> stream() {
 		return conditions.stream();
 	}
+	
+	@Override
+	public String toString() {
+		if (conditions.isEmpty()) return "["+t("Click here to add conditions")+"]";
+		StringBuffer sb = new StringBuffer(conditions.firstElement().toString());
+		String glue = glue();
+		for (int i=1; i<conditions.size(); i++) sb.append(" ").append(glue).append(" "+conditions.get(i));
+		return sb.toString();
+	}
 }

src/main/java/de/srsoftware/web4rail/conditions/OrCondition.java

@@ -1,7 +1,5 @@
 package de.srsoftware.web4rail.conditions;
 
-import java.util.stream.Collectors;
-
 public class OrCondition extends ConditionList{
 	
 	@Override
@@ -11,9 +9,9 @@ public class OrCondition extends ConditionList{
 		}
 		return false;
 	}
-		
+	
 	@Override
-	public String toString() {
+	protected String glue() {
-		return isEmpty() ? t("Click here to select conditions") : String.join(" "+t("OR")+" ", stream().map(Object::toString).collect(Collectors.toList()));
+		return t("or");
-	}
+	}	
 }

src/main/java/de/srsoftware/web4rail/conditions/TrainHasTag.java

@@ -45,7 +45,7 @@ public class TrainHasTag extends Condition {
 	
 	@Override
 	public String toString() {
-		if (tag == null) return t("[Click to setup tag]");
+		if (tag == null) return "["+t("Click to setup tag")+"]";
 		return t(inverted ? "train does not have tag \"{}\"" : "train has tag \"{}\"",tag) ;
 	}
 

src/main/java/de/srsoftware/web4rail/conditions/TrainSelect.java

@@ -33,7 +33,7 @@ public class TrainSelect extends Condition {
 	
 	@Override
 	protected Window properties(List<Fieldset> preForm, FormInput formInputs, List<Fieldset> postForm) {
-		formInputs.add(t("Select train"),Train.selector(train, null));
+		formInputs.add(t("Select train")+":",Train.selector(train, null));
 		return super.properties(preForm, formInputs, postForm);
 	}
 	
@@ -44,7 +44,7 @@ public class TrainSelect extends Condition {
 	
 	@Override
 	public String toString() {
-		if (train == null) return t("[Click here to select train!]");
+		if (train == null) return "["+t("Click here to select train!")+"]";
 		return t("Train")+ (inverted?"≠":"=") + train;
 	}
 	

src/main/java/de/srsoftware/web4rail/tiles/Block.java

@@ -30,7 +30,7 @@ import de.srsoftware.web4rail.tags.Select;
  * @author Stephan Richter, SRSoftware
  *
  */
-public abstract class Block extends StretchableTile implements Comparable<Block>{
+public abstract class Block extends StretchableTile{
 	private static final String ALLOW_TURN = "allowTurn";
 	private static final String NAME       = "name";
 	private static final String NO_TAG = "[default]";
@@ -127,7 +127,6 @@ public abstract class Block extends StretchableTile implements Comparable<Block>
 		return super.click();
 	}
 	
-	@Override
 	public int compareTo(Block other) {
 		return name.compareTo(other.name);
 	}

src/main/java/de/srsoftware/web4rail/tiles/Shadow.java

@@ -20,8 +20,10 @@ public class Shadow extends Tile{
 		return super.connections(from);
 	}
 
-	public Shadow(Tile overlay) {		
+	public Shadow(Tile overlay, int x, int y) {		
 		this.overlay = overlay;
+		this.x = x;
+		this.y = y;
 		overlay.addShadow(this);
 	}
 

src/main/java/de/srsoftware/web4rail/tiles/Signal.java

@@ -9,7 +9,7 @@ import java.util.Vector;
 import de.srsoftware.tools.Tag;
 import de.srsoftware.web4rail.Plan.Direction;
 
-public abstract class Signal extends Tile implements Comparable<Signal>{
+public abstract class Signal extends Tile {
 	public static final String STATE = "state";
 	public static final String STOP = "stop";
 	public static final String GO = "go";
@@ -29,13 +29,6 @@ public abstract class Signal extends Tile implements Comparable<Signal>{
 		return classes;
 	}
 	
-	@Override
-	public int compareTo(Signal other) {
-		Id tid = this.id();
-		Id oid = other.id();
-		return tid.compareTo(oid);
-	}
-	
 	public abstract boolean isAffectedFrom(Direction dir);
 
 	public boolean state(String state) {

src/main/java/de/srsoftware/web4rail/tiles/Tile.java

@@ -7,7 +7,6 @@ import java.io.IOException;
 import java.lang.reflect.InvocationTargetException;
 import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
@@ -37,7 +36,7 @@ import de.srsoftware.web4rail.tags.Radio;
  * @author Stephan Richter, SRSoftware
  *
  */
-public abstract class Tile extends BaseClass{
+public abstract class Tile extends BaseClass implements Comparable<Tile>{
 	protected static Logger LOG = LoggerFactory.getLogger(Tile.class);	
 	private static int DEFAUT_LENGTH = 100; // 10cm
 	
@@ -57,7 +56,7 @@ public abstract class Tile extends BaseClass{
 	protected Direction       oneWay    = null;
 	protected Route           route     = null;
 	private   TreeSet<Route>  routes    = new TreeSet<>();
-	protected HashSet<Shadow> shadows   = new HashSet<>();
+	protected TreeSet<Shadow> shadows   = new TreeSet<>();
 	protected Train           train     = null;	
 	public    Integer         x         = null;
 	public    Integer         y         = null;
@@ -85,6 +84,12 @@ public abstract class Tile extends BaseClass{
 		return properties();
 	}
 	
+	@Override
+	public int compareTo(Tile other) {
+		if (x == other.x) return y-other.y;
+		return x - other.x;
+	}
+	
 	public JSONObject config() {
 		return new JSONObject();
 	}
@@ -207,14 +212,14 @@ public abstract class Tile extends BaseClass{
 			} else fieldset = new Fieldset(t("Train"));
 			train.link("span", t("Train")+":"+NBSP+train+NBSP).addTo(fieldset);
 			if (isSet(train.route)) {
-				train.button(t("stop"), contextAction(ACTION_STOP)).addTo(fieldset);
+				train.button(t("stop"), Map.of(ACTION,ACTION_STOP)).addTo(fieldset);
 			} else {
-				train.button(t("start"), contextAction(ACTION_START)).addTo(fieldset);
+				train.button(t("start"), Map.of(ACTION,ACTION_START)).addTo(fieldset);
 			}
 			if (train.usesAutopilot()) {
-				train.button(t("quit autopilot"), contextAction(ACTION_QUIT)).addTo(fieldset);
+				train.button(t("quit autopilot"), Map.of(ACTION,ACTION_QUIT)).addTo(fieldset);
 			} else {
-				train.button(t("auto"), contextAction(ACTION_AUTO)).addTo(fieldset);
+				train.button(t("auto"), Map.of(ACTION,ACTION_AUTO)).addTo(fieldset);
 			}
 		}
 		
@@ -241,7 +246,7 @@ public abstract class Tile extends BaseClass{
 			Tag routeList = new Tag("ol");
 			for (Route route : routes) {
 				Tag li = route.link("span", route.name()+(route.isDisabled()?" ["+t("disabled")+"]" : "")+NBSP).addTo(new Tag("li").clazz("link"));
-				route.button(t("delete route"),contextAction(ACTION_DROP)).addTo(li);
+				route.button(t("delete route"),Map.of(ACTION,ACTION_DROP)).addTo(li);
 				li.addTo(routeList);
 			}
 			routeList.addTo(fieldset);
@@ -376,12 +381,8 @@ public abstract class Tile extends BaseClass{
 	@Override
 	public BaseClass remove() {
 		super.remove();
-		routes.forEach(route -> {
+		while (!routes.isEmpty()) routes.first().remove();
-			route.remove();
+		while (!shadows.isEmpty()) shadows.first().remove();
-		});
-		shadows.forEach(shadow -> {
-			shadow.remove();
-		});
 		return this;
 	}