Allow multiple NodeInfoVis (through custom name)

src/de/tud/kom/p2psim/impl/topology/views/VisualizationTopologyView.java

@@ -43,6 +43,7 @@ import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.concurrent.CopyOnWriteArrayList;
 
@@ -387,7 +388,7 @@ public class VisualizationTopologyView extends JFrame
 	 */
 	protected class WorldPanel extends JLayeredPane {
 
-		protected HashMap<INodeID, VisNodeInformation> nodeInformation = new HashMap<INodeID, VisNodeInformation>();
+		protected ConcurrentHashMap<INodeID, VisNodeInformation> nodeInformation = new ConcurrentHashMap<INodeID, VisNodeInformation>();
 
 		protected final static int PADDING = 16;
 		

src/de/tud/kom/p2psim/impl/topology/views/visualization/world/NodeInfoComponentVis.java

@@ -62,18 +62,22 @@ public class NodeInfoComponentVis extends JComponent
 
 	protected Collection<NodeVis> nodes = new LinkedList<>();
 
-	private JMenu menu = new JMenu("Node Information");
+	private JMenu menu = new JMenu("Node Info");
 
 	protected boolean[] activeLayers = null;
 	
 	boolean hideInactiveNodes = false;
 	
+	private final String name;
+
 	public <T extends HostComponent> NodeInfoComponentVis(
 			final Class<T> componentClass) {
 		setBounds(0, 0, VisualizationInjector.getWorldX(),
 				VisualizationInjector.getWorldY());
 		setOpaque(true);
 		setVisible(true);
+		this.name = componentClass.getSimpleName();
+		menu.setText("Info: "+name);
 
 		Event.scheduleWithDelay(1 * Time.MICROSECOND, new EventHandler() {
 			@Override
@@ -312,7 +316,7 @@ public class NodeInfoComponentVis extends JComponent
 	
 	@Override
 	public String getDisplayName() {
-		return "Node Information";
+		return "Info: "+name;
 	}
 
 }