Added 3 events to the InteractiveActionThread class

src/main/java/eu/mihosoft/freerouting/interactive/BatchAutorouterThread.java

@@ -53,6 +53,9 @@ public class BatchAutorouterThread extends InteractiveActionThread
 
     protected void thread_action()
     {
+        for (ThreadActionListener hl : this.listeners)
+            hl.autorouterStarted();
+
         FRLogger.traceEntry("BatchAutorouterThread.thread_action()");
 
         try
@@ -133,6 +136,16 @@ public class BatchAutorouterThread extends InteractiveActionThread
         }
 
         FRLogger.traceExit("BatchAutorouterThread.thread_action()");
+
+        for (ThreadActionListener hl : this.listeners)
+        {
+            if (this.is_stop_requested()) {
+                hl.autorouterAborted();
+            }
+            else {
+                hl.autorouterFinished();
+            }
+        }
     }
 
     public void draw(java.awt.Graphics p_graphics)

src/main/java/eu/mihosoft/freerouting/interactive/InteractiveActionThread.java

@@ -23,6 +23,10 @@
  */
 package eu.mihosoft.freerouting.interactive;
 
+import java.awt.event.ActionListener;
+import java.util.ArrayList;
+import java.util.List;
+
 /**
  * Used for running an eu.mihosoft.freerouting.interactive action in a seperate Thread,
  * that can be stopped by the user.
@@ -31,6 +35,11 @@ package eu.mihosoft.freerouting.interactive;
  */
 public abstract class InteractiveActionThread extends Thread implements eu.mihosoft.freerouting.datastructures.Stoppable
 {
+    protected List<ThreadActionListener> listeners = new ArrayList<ThreadActionListener>();
+
+    public void addListener(ThreadActionListener toAdd) {
+        listeners.add(toAdd);
+    }
 
     public static InteractiveActionThread get_autoroute_instance(BoardHandling p_board_handling)
     {
@@ -234,3 +243,4 @@ public abstract class InteractiveActionThread extends Thread implements eu.mihos
         private final java.io.InputStream input_stream;
     }
 }
+

src/main/java/eu/mihosoft/freerouting/interactive/ThreadActionListener.java

@@ -0,0 +1,7 @@
+package eu.mihosoft.freerouting.interactive;
+
+public interface ThreadActionListener {
+    void autorouterStarted();
+    void autorouterAborted();
+    void autorouterFinished();
+}