Don't let nodes occur twice successively in ways

diff --git a/net/systemeD/halcyon/connection/Way.as b/net/systemeD/halcyon/connection/Way.as
index 92d26553622b24f4fb1a8e473de28987f75e4af2..87ed4e5ddf51234b676fdc5e54060f740b517674 100644 (file)
--- a/net/systemeD/halcyon/connection/Way.as
+++ b/net/systemeD/halcyon/connection/Way.as
@@ -88,16 +88,18 @@ package net.systemeD.halcyon.connection {
         }
 
         public function insertNode(index:uint, node:Node, performAction:Function):void {
+                       if (index>0 && getNode(index-1)==node) return;
+                       if (index<nodes.length-1 && getNode(index)==node) return;
                        performAction(new AddNodeToWayAction(this, node, nodes, index));
         }
 
         public function appendNode(node:Node, performAction:Function):uint {
-                       performAction(new AddNodeToWayAction(this, node, nodes, -1));
+                       if (node!=getLastNode()) performAction(new AddNodeToWayAction(this, node, nodes, -1));
             return nodes.length + 1;
         }
         
         public function prependNode(node:Node, performAction:Function):uint {
-                       performAction(new AddNodeToWayAction(this, node, nodes, 0));
+                       if (node!=getFirstNode()) performAction(new AddNodeToWayAction(this, node, nodes, 0));
             return nodes.length + 1;
         }