working on conditional actions

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

@@ -2,6 +2,7 @@ package de.srsoftware.web4rail.actions;
 
 import java.io.IOException;
 import java.lang.reflect.InvocationTargetException;
+import java.util.Date;
 import java.util.HashMap;
 
 import org.json.JSONObject;
@@ -10,16 +11,17 @@ import org.slf4j.LoggerFactory;
 
 import de.keawe.tools.translations.Translation;
 import de.srsoftware.web4rail.Application;
+import de.srsoftware.web4rail.Constants;
 import de.srsoftware.web4rail.Plan;
 import de.srsoftware.web4rail.Route;
 import de.srsoftware.web4rail.Window;
 import de.srsoftware.web4rail.moving.Train;
 import de.srsoftware.web4rail.tiles.Contact;
 
-public abstract class Action {
+public abstract class Action implements Constants {
 	public static final Logger LOG = LoggerFactory.getLogger(Action.class);
 	private static final String TYPE = "type";
-
+	private int id;
 	
 	public static class Context {
 		public Plan plan = null;
@@ -34,8 +36,17 @@ public abstract class Action {
 			train = route.train;
 		}
 	}
+	
+	public Action() {
+		id = new Date().hashCode();
+	}
+
+	public abstract boolean fire(Context context) throws IOException;
+	
+	public int id() {
+		return id;
+	}
 
-	public abstract void fire(Context context) throws IOException;
 
 	public JSONObject json() {
 		JSONObject json = new JSONObject();

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

@@ -9,7 +9,8 @@ public class ActivateRoute extends RouteAction {
 	}
 
 	@Override
-	public void fire(Context context) throws IOException {
+	public boolean fire(Context context) throws IOException {
 		context.route.activate();
+		return true;
 	}
 }

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

@@ -0,0 +1,93 @@
+package de.srsoftware.web4rail.actions;
+
+import static de.srsoftware.web4rail.Constants.TYPE;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Vector;
+
+import de.srsoftware.tools.Tag;
+import de.srsoftware.web4rail.Route;
+import de.srsoftware.web4rail.Window;
+import de.srsoftware.web4rail.conditions.Condition;
+import de.srsoftware.web4rail.conditions.TrainSelect;
+import de.srsoftware.web4rail.tags.Button;
+import de.srsoftware.web4rail.tags.Form;
+import de.srsoftware.web4rail.tags.Input;
+import de.srsoftware.web4rail.tags.Select;
+import de.srsoftware.web4rail.tiles.Contact;
+
+public class ConditionalAction extends Action {
+	
+	private Vector<Condition> conditions = new Vector<Condition>();
+	private Vector<Action> actions = new Vector<Action>();
+
+	private ConditionalAction addCondition(Condition condition) {
+		conditions.add(new TrainSelect());
+		return this;
+	}
+	
+	private static void addToContact(Route route, Contact contact, String conditionType) {
+		Condition condition = null;
+		switch (conditionType) {
+			case "TrainSelect":
+				condition = new TrainSelect();
+				break;
+			default: return;
+		}
+		route.addAction(contact.trigger(), new ConditionalAction().addCondition(condition));
+	}
+	
+	@Override
+	public boolean fire(Context context) throws IOException {
+		for (Condition condition : conditions) {
+			if (condition.fulfilledBy(context)) return fireActions(context);
+		}
+		return false;		
+	}
+
+	private boolean fireActions(Context context) {
+		for (Action action : actions) try {
+			action.fire(context);
+		} catch (IOException e) {
+			LOG.warn("Was not able to fire {}",action);
+		}
+		return true;
+	}
+	
+	public static Window propForm(HashMap<String, String> params, Route route, Contact contact) {
+		String condition = params.get(REALM_CONDITION);
+		if (condition != null) {
+			addToContact(route,contact,condition);
+			return route.properties();		
+		}
+		Window win = Action.propForm(params);
+		String formId = "add-action-to-contact-"+contact.id();
+		Tag form = new Form(formId);
+		new Tag("div").content(t("Add Action {} to contact {} on route {}:",ConditionalAction.class.getSimpleName(),contact,route)).addTo(win);
+		new Input(REALM, REALM_ROUTE).hideIn(form);
+		new Input(ID,route.id()).hideIn(form);
+		new Input(ACTION,ACTION_ADD_ACTION).hideIn(form);
+		new Input(CONTACT,contact.id()).hideIn(form);
+		new Input(TYPE,ConditionalAction.class.getSimpleName()).hideIn(form);
+		Select select = new Select(REALM_CONDITION);
+		List<Class<? extends Condition>> conditionTypes = List.of(TrainSelect.class);
+		for (Class<? extends Condition> clazz : conditionTypes) select.addOption(clazz.getSimpleName());
+		select.addTo(form);
+		new Button(t("Create action"),"return submitForm('"+formId+"');").addTo(form).addTo(win);
+		return win;
+	}
+	
+	@Override
+	public String toString() {
+		if (conditions.isEmpty()) return t("Invalid condition");
+		StringBuffer sb = new StringBuffer();		
+		for (int i = 0; i<conditions.size(); i++) {
+			Condition condition = conditions.get(i);
+			Tag link = condition.link("span");
+			sb.append(link);
+		}
+		return t("if ({}):",sb);
+	}
+}

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

@@ -9,7 +9,8 @@ public class FinishRoute extends RouteAction {
 	}
 
 	@Override
-	public void fire(Context context) throws IOException {
+	public boolean fire(Context context) throws IOException {
 		context.route.finish();
+		return true;
 	}
 }

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

@@ -11,7 +11,8 @@ public class SetSignalsToStop extends RouteAction {
 	}
 
 	@Override
-	public void fire(Context context) throws IOException {
+	public boolean fire(Context context) throws IOException {
 		context.route.setSignals(Signal.STOP);
+		return true;
 	}
 }

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

@@ -25,8 +25,12 @@ public class SpeedReduction extends RouteAction implements Constants{
 	}
 
 	@Override
-	public void fire(Context context) {
-		if (context.train != null && context.train.speed > maxSpeed) context.train.setSpeed(maxSpeed);
+	public boolean fire(Context context) {
+		if (context.train != null && context.train.speed > maxSpeed) {
+			context.train.setSpeed(maxSpeed);
+			return true;
+		}
+		return false;
 	}
 	
 	@Override

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

@@ -9,7 +9,11 @@ public class TurnTrain extends RouteAction implements Constants{
 	}
 
 	@Override
-	public void fire(Context context) {
-		if (context.train != null) context.train.turn();
+	public boolean fire(Context context) {
+		if (context.train != null) {
+			context.train.turn();
+			return true;
+		}
+		return false;
 	}
 }