working on signals on routes

resources/css/style.css

@@ -140,9 +140,12 @@ h2{
 	stroke: red;
 }
 
-.sig_a{
+.signal.stop .sig_a{
 	fill: red;
 }
+.signal.go .sig_a{
+	fill: lime;
+}
 
 .sig_b{
 	fill: black;
@@ -168,3 +171,7 @@ svg.straight .left,
 svg.straight .right{
 	fill: white !important;
 }
+
+.occupied .block{
+	fill: yellow;
+}

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

@@ -15,6 +15,7 @@ import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.util.HashMap;
+import java.util.Random;
 import java.util.Vector;
 
 import org.slf4j.Logger;
@@ -52,7 +53,9 @@ public class Application {
         	plan = new Plan();
 		}
         Locomotive BR110 = new Locomotive("BR110");
-        Block block = new Vector<>(plan.blocks()).lastElement();
+        Vector<Block> blocks = new Vector<>(plan.blocks());
+        Random rand = new Random();
+        Block block = blocks.get(rand.nextInt(blocks.size()));
         if (block != null) block.train(new Train(BR110));
         Desktop.getDesktop().browse(URI.create("http://localhost:"+config.getInt(PORT)+"/plan"));
 	}

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

@@ -209,6 +209,11 @@ public class Route {
 		if (lastTile instanceof Turnout) addTurnout((Turnout) lastTile,state);
 	}
 	
+	public Route setSignals() throws IOException {
+		for (Signal signal : signals) signal.state("go");
+		return this;
+	}
+
 	public Block startBlock() {
 		return (Block) path.get(0);
 	}		

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

@@ -31,6 +31,10 @@ public class Train {
 		} else cars.add(car);		
 	}
 	
+	public void block(Block block) {
+		this.block = block;
+	}
+
 	public int length() {
 		int result = 0;		
 		for (Locomotive loco : locos) result += loco.length;
@@ -48,14 +52,6 @@ public class Train {
 		return window;
 	}
 	
-	private String t(String message, Object...fills) {
-		return Translation.get(Application.class, message, fills);
-	}
-
-	public void block(Block block) {
-		this.block = block;
-	}
-
 	public String start() throws IOException {
 		if (block == null) return t("{] not in a block",this); 
 		HashSet<Route> routes = block.routes();
@@ -69,7 +65,16 @@ public class Train {
 		Random rand = new Random();
 		if (route != null) route.unlock();
 		int sel = rand.nextInt(availableRoutes.size());
-		route = availableRoutes.get(sel).lock(this);
+		route = availableRoutes.get(sel).lock(this).setSignals();
 		return t("started {}",this); 
 	}
+	
+	private String t(String message, Object...fills) {
+		return Translation.get(Application.class, message, fills);
+	}
+	
+	@Override
+	public String toString() {
+		return name();
+	}
 }

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

@@ -58,7 +58,9 @@ public abstract class Block extends StretchableTile{
 	public Tag tag(Map<String, Object> replacements) throws IOException {
 		if (replacements == null) replacements = new HashMap<String, Object>();
 		replacements.put("%text%",train == null ? name : train.name());
-		return super.tag(replacements);
+		Tag tag = super.tag(replacements);
+		if (train != null) tag.clazz(tag.get("class")+" occupied");
+		return tag;
 	}
 	
 	@Override

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

@@ -1,13 +1,32 @@
 package de.srsoftware.web4rail.tiles;
 
+import java.io.IOException;
+import java.util.Map;
+
+import de.srsoftware.tools.Tag;
 import de.srsoftware.web4rail.Plan.Direction;
 
 public abstract class Signal extends Tile{
 	
+	private static final String STOP = "stop";
+	private String state = STOP;
+
 	public Signal() {
 		super();
 		classes.add("signal");
 	}
 	
 	public abstract boolean isAffectedFrom(Direction dir);
+
+	public void state(String state) throws IOException {
+		this.state = state;
+		plan.stream("place "+tag(null));
+	}
+	
+	@Override
+	public Tag tag(Map<String, Object> replacements) throws IOException {
+		Tag tag = super.tag(replacements);
+		tag.clazz(tag.get("class")+" "+state);
+		return tag;
+	}
 }

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

@@ -31,7 +31,7 @@ public abstract class Tile {
 	protected HashSet<Shadow> shadows = new HashSet<>();
 	private HashSet<Route> routes = new HashSet<>();
 	protected Plan plan;
-	private Train lockedBy;
+	protected Train lockedBy;
 	
 	protected static Logger LOG = LoggerFactory.getLogger(Tile.class);
 	

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

@@ -5,6 +5,7 @@ import java.io.IOException;
 public class TurnoutL extends Turnout {
 	@Override
 	public Object click() throws IOException {
+		if (lockedBy != null) return t("{} is locked by {}!",this,lockedBy); 
 		state = (state == State.STRAIGHT) ? State.LEFT : State.STRAIGHT;
 		return tag(null);
 	}