added new tiles and actions:

* Tile displaying text
* TextDisplay: an action that sends text to clients
* DetermineTrainInBlock: action that alters the context by requesting the train in a specific block

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

@@ -125,12 +125,14 @@ public abstract class Action extends BaseClass {
 		return List.of(
 			ConditionalAction.class,
 			DelayedAction.class,
+			DetermineTrainInBlock.class,
 			FinishRoute.class,
 			SendCommand.class,
 			SetPower.class,
 			SetRelay.class,
 			SetSignal.class,
 			SetSpeed.class,
+			ShowText.class,
 			StopAllTrains.class,
 			StopAuto.class,
 			TriggerContact.class,

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

@@ -0,0 +1,70 @@
+package de.srsoftware.web4rail.actions;
+
+import java.io.IOException;
+import java.util.HashMap;
+
+import org.json.JSONObject;
+
+import de.srsoftware.web4rail.Window;
+import de.srsoftware.web4rail.tags.Button;
+import de.srsoftware.web4rail.tags.Form;
+import de.srsoftware.web4rail.tags.Input;
+import de.srsoftware.web4rail.tags.Label;
+import de.srsoftware.web4rail.tags.Select;
+import de.srsoftware.web4rail.tiles.Block;
+
+public class DetermineTrainInBlock extends Action {
+		
+	private Block block = null;
+	
+	@Override
+	public boolean fire(Context context) throws IOException {
+		context.block = block;
+		context.train = block.train();		
+		return true;
+	}
+	
+	@Override
+	public JSONObject json() {
+		JSONObject json = super.json();
+		if (isSet(block)) json.put(BLOCK, block.id());
+		return json;
+	}
+	
+	@Override
+	public Action load(JSONObject json) {
+		super.load(json);
+		String blockId = json.getString(BLOCK);
+		if (isSet(blockId)) block = Block.get(blockId);
+		return this;
+	}
+	
+	@Override
+	public Window properties(HashMap<String, String> params) {
+		Window win = super.properties(params);
+		Form form = new Form("action-prop-form-"+id);
+		new Input(REALM,REALM_ACTIONS).hideIn(form);
+		new Input(ID,params.get(ID)).hideIn(form);
+		new Input(ACTION,ACTION_UPDATE).hideIn(form);
+		new Input(CONTEXT,params.get(CONTEXT)).hideIn(form);
+		
+		Select select = Block.selector(block, null);
+		select.addTo(new Label(t("Select block:")+NBSP)).addTo(form);
+		
+		new Button(t("Apply"),form).addTo(form).addTo(win);		
+		return win;
+	}
+	
+	public String toString() {
+		return isSet(block) ? t("Determine, which train is in {}",block) : "["+t("click here to setup block")+"]";
+	};
+	
+	@Override
+	protected Object update(HashMap<String, String> params) {
+		LOG.debug("update: {}",params);
+		String blockId = params.get(Block.class.getSimpleName());
+		if (isSet(blockId)) block = Block.get(blockId);
+		return properties(params);
+	}
+
+}

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

@@ -28,7 +28,7 @@ public class SendCommand extends Action{
 			}
 		});
 	
-		return false;
+		return true;
 	}
 	
 	@Override

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

@@ -0,0 +1,23 @@
+package de.srsoftware.web4rail.actions;
+
+import de.srsoftware.web4rail.tags.Label;
+
+public class ShowText extends TextAction{
+
+
+	@Override
+	public boolean fire(Context context) {
+		plan.stream(fill(text,context));
+		return true;
+	}
+
+	@Override
+	protected Label label() {
+		return new Label(t("Text to display on clients:")+NBSP);
+	}
+	
+	@Override
+	public String toString() {
+		return t("Display \"{}\" on clients.",text);
+	}
+}

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

@@ -0,0 +1,66 @@
+package de.srsoftware.web4rail.actions;
+
+import java.util.HashMap;
+
+import org.json.JSONObject;
+
+import de.srsoftware.tools.Tag;
+import de.srsoftware.web4rail.Window;
+import de.srsoftware.web4rail.tags.Button;
+import de.srsoftware.web4rail.tags.Form;
+import de.srsoftware.web4rail.tags.Input;
+import de.srsoftware.web4rail.tags.Label;
+
+public abstract class TextAction extends Action {
+	
+	public static final String TEXT = "text";
+	protected String text = "Hello, world!";
+
+
+	public String fill(String tx,Context context) {
+		if (isSet(context.block)) tx = tx.replace("%block%", context.block.name);
+		if (isSet(context.contact)) tx = tx.replace("%contact%", context.contact.id());
+		if (isSet(context.direction)) tx = tx.replace("%dir%", context.direction.name());
+		if (isSet(context.route)) tx = tx.replace("%route%", context.route.name());
+		if (isSet(context.train)) tx = tx.replace("%train%", context.train.name());		
+		return tx;
+	}
+	
+	@Override
+	public JSONObject json() {
+		JSONObject json = super.json();
+		json.put(TEXT, text);
+		return json;
+	}
+	
+	protected abstract Label label();
+
+	@Override
+	public Action load(JSONObject json) {
+		super.load(json);
+		text = json.getString(TEXT);
+		return this;	
+	}
+	
+	@Override
+	public Window properties(HashMap<String, String> params) {
+		Window win = super.properties(params);
+		Form form = new Form("action-prop-form-"+id);
+		new Input(REALM,REALM_ACTIONS).hideIn(form);
+		new Input(ID,params.get(ID)).hideIn(form);
+		new Input(ACTION,ACTION_UPDATE).hideIn(form);
+		new Input(CONTEXT,params.get(CONTEXT)).hideIn(form);
+		new Input(TEXT, text).addTo(label()).addTo(form);
+		new Button(t("Apply"),form).addTo(form).addTo(win);		
+		return win;
+	}
+	
+	@Override
+	protected Object update(HashMap<String, String> params) {
+		LOG.debug("update: {}",params);
+		String error = null;
+		text = params.get(TEXT);
+		Window win = properties(params);
+		return new Tag("span").content(error).addTo(win);
+	}
+}

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

@@ -19,10 +19,7 @@ public class TriggerContact extends Action {
 	
 	@Override
 	public boolean fire(Context context) throws IOException {
-		if (isSet(contact)) {
-			System.err.println("triggering "+contact);
-			contact.trigger(200);
-		}
+		if (isSet(contact)) return contact.trigger(200);
 		return false;
 	}