bugfixes + added new condition TrainWasInBlock

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

@@ -32,7 +32,7 @@ public class BlockFree extends Condition {
 	
 	public Condition load(JSONObject json) {
 		super.load(json);
-		block(Block.get(new Id(json.getString(BLOCK))));
+		if (json.has(BLOCK)) block(Block.get(new Id(json.getString(BLOCK))));
 		return this;
 	}
 
@@ -60,7 +60,7 @@ public class BlockFree extends Condition {
 		if (!params.containsKey(BLOCK)) return t("No block id passed to BlockFree.update()!");
 		Id bid = new Id(params.get(BLOCK));
 		Block block = Block.get(bid);
-		if (block == null) return t("No block with id {} found!",bid);
+		if (isNull(block)) return t("No block with id {} found!",bid);
 		this.block = block;
 		return super.update(params);
 	}

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

@@ -125,7 +125,8 @@ public abstract class Condition extends BaseClass {
 				TrainHasTag.class,
 				TrainLength.class,
 				TrainSelect.class,
-				TrainSpeed.class);
+				TrainSpeed.class,
+				TrainWasInBlock.class);
 	}
 	
 	public Condition load(JSONObject json) {

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

@@ -0,0 +1,77 @@
+package de.srsoftware.web4rail.conditions;
+
+import java.util.HashMap;
+import java.util.List;
+
+import org.json.JSONObject;
+
+import de.srsoftware.tools.Tag;
+import de.srsoftware.web4rail.BaseClass;
+import de.srsoftware.web4rail.Window;
+import de.srsoftware.web4rail.moving.Train;
+import de.srsoftware.web4rail.tags.Fieldset;
+import de.srsoftware.web4rail.tags.Input;
+import de.srsoftware.web4rail.tiles.Block;
+
+public class TrainWasInBlock extends Condition {
+	
+	private static final String BLOCK = Block.class.getSimpleName();
+	private static final String COUNT = "count";
+	private Block block;
+	private int count = 5;
+	
+	private TrainWasInBlock block(Block block) {
+		this.block = block;
+		return this;
+	}
+
+	@Override
+	public boolean fulfilledBy(Context context) {
+		Train train = context.train();
+		if (isNull(train)) return false;		
+		return train.lastBlocks(count).contains(block) != inverted;
+	}
+	
+	@Override
+	public JSONObject json() {
+		return super.json().put(BLOCK, block.id()).put(COUNT, count);
+	}
+	
+	public Condition load(JSONObject json) {
+		super.load(json);
+		if (json.has(BLOCK)) block(Block.get(new Id(json.getString(BLOCK))));
+		if (json.has(COUNT)) count = json.getInt(COUNT);
+		return this;
+	}
+
+	@Override
+	protected Window properties(List<Fieldset> preForm, FormInput formInputs, List<Fieldset> postForm) {
+		formInputs.add(t("Select block"), Block.selector(block, null));
+		formInputs.add(t("Seek in last"), new Input(COUNT, count).numeric().addTo(new Tag("span")).content(NBSP+t("blocks of train")));
+		return super.properties(preForm, formInputs, postForm);
+	}
+	
+	@Override
+	protected void removeChild(BaseClass child) {
+		if (child == block) block = null;
+		super.removeChild(child);
+	}	
+
+	@Override
+	public String toString() {
+		if (block == null) return "["+t("Click here to select block!")+"]";
+		return t(inverted ? "{} not within last {} blocks of train":"{} within last {} blocks of train",block,count);
+	}
+
+
+	@Override
+	protected Object update(HashMap<String, String> params) {
+		if (!params.containsKey(BLOCK)) return t("No block id passed to TrainWasInBlock.update()!");
+		Id bid = new Id(params.get(BLOCK));
+		Block block = Block.get(bid);
+		if (isNull(block)) return t("No block with id {} found!",bid);
+		this.block = block;
+		if (params.containsKey(COUNT)) count=Integer.parseInt(params.get(COUNT));
+		return super.update(params);
+	}
+}

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

@@ -80,6 +80,7 @@ public class Train extends BaseClass implements Comparable<Train> {
 
 	private Block currentBlock,destination = null;
 	LinkedList<Tile> trace = new LinkedList<Tile>();
+	private Vector<Block> lastBlocks = new Vector<Block>();
 	
 	public int speed = 0;
 	private Autopilot autopilot = null;
@@ -227,6 +228,16 @@ public class Train extends BaseClass implements Comparable<Train> {
 		return t("{} now in auto-mode",this);
 	}
 	
+	private Fieldset blockHistory() {
+		Fieldset fieldset = new Fieldset(t("Last blocks"));
+		Tag list = new Tag("ol");
+		for (int i=lastBlocks.size(); i>0; i--) {
+			lastBlocks.get(i-1).link().addTo(new Tag("li")).addTo(list);
+		}
+		return list.addTo(fieldset);
+	}
+
+	
 	public String brakeId() {
 		return brakeId(false);
 	}
@@ -405,6 +416,12 @@ public class Train extends BaseClass implements Comparable<Train> {
 		if (!tags.isEmpty()) json.put(TAGS, tags);
 		return json;
 	}
+	
+	public Collection<Block> lastBlocks(int count) {
+		Vector<Block> blocks = new Vector<Block>(count);
+		for (int i=0; i<count && i<lastBlocks.size(); i++) blocks.add(lastBlocks.get(i));
+		return blocks;
+	}
 		
 	public int length() {
 		int result = 0;		
@@ -593,6 +610,8 @@ public class Train extends BaseClass implements Comparable<Train> {
 		preForm.add(Locomotive.cockpit(this));
 		postForm.add(otherTrainProps);
 		postForm.add(brakeTimes());
+		postForm.add(blockHistory());
+		
 		
 		return super.properties(preForm, formInputs, postForm);
 	}
@@ -700,7 +719,11 @@ public class Train extends BaseClass implements Comparable<Train> {
 	public void set(Block newBlock) {
 		LOG.debug("{}.set({})",this,newBlock);
 		currentBlock = newBlock;
-		if (isSet(currentBlock)) currentBlock.setTrain(this);
+		if (isSet(currentBlock)) {
+			currentBlock.setTrain(this);
+			lastBlocks.add(newBlock);
+			if (lastBlocks.size()>32) lastBlocks.remove(0);
+		}
 	}
 	
 	private String setDestination(HashMap<String, String> params) {