--- a/python/apps/diagrameditor.py	Fri Nov 16 12:10:34 2012 +0100
+++ b/python/apps/diagrameditor.py	Sun Nov 18 13:09:10 2012 +0100
@@ -56,9 +56,7 @@
       d['toBlock'] = self.toPort.block.name
       d['toPort'] = self.toPort.name
       return d
-   def setDict(self, d):
-      print(d)
-   Dict = property(getDict, setDict)
+   Dict = property(getDict)
    def myDelete(self):
       scene = self.scene()
       if scene:
@@ -102,15 +100,30 @@
          TODO: implement nice automatic line router
       """
       pos1 = self.getPos1()
-      if pos1 is None or self.pos2 is None:
+      pos2 = self.pos2
+      if pos1 is None or pos2 is None:
          return
-      pts = [pos1] + [v.pos() for v in self.vias] + [self.pos2]
-      self.arrowhead.setPos(self.pos2)
-      if pts[-1].x() < pts[-2].x():
-         self.arrowhead.setRotation(-90)
-      else:
-         self.arrowhead.setRotation(90)
-      self.setPath(buildPath(pts))
+      scene = self.scene()
+      vias = [pos1 + QPointF(20, 0)] + self.vias + [pos2 + QPointF(-20, 0)]
+      if scene:
+         litem = QGraphicsLineItem()
+         litem.setFlags(self.ItemIsSelectable)
+         scene.addItem(litem)
+         for p1, p2 in zip(vias[:-1], vias[1:]):
+            line = QLineF(p1, p2)
+            litem.setLine(line)
+            citems = scene.collidingItems(litem)
+            citems = [i for i in citems if type(i) is BlockItem]
+            print(citems)
+         scene.removeItem(litem)
+      pts = [pos1] + vias + [pos2]
+      self.arrowhead.setPos(pos2)
+      self.arrowhead.setRotation(90)
+      p = buildPath(pts)
+      pps = QPainterPathStroker()
+      pps.setWidth(3)
+      p = pps.createStroke(p).simplified()
+      self.setPath(p)
       """ Create a shape outline using the path stroker """
       s = super(Connection, self).shape()
       pps = QPainterPathStroker()