graphLayout/jetbrains.mps.graphLayout.orthogonalLayout/source_gen/jetbrains/mps/graphLayout/flowOrthogonalLayout/OrthogonalRepresentation.java [113:170]:
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  public static void replaceBendsByNodes(EmbeddedGraph embeddedGraph, Map<Dart, Integer> bends, Map<Dart, Integer> angles) {
    for (Edge edge : ListSequence.fromList(embeddedGraph.getGraph().getEdges())) {
      List<Dart> darts = embeddedGraph.getDarts(edge);
      final Wrappers._T<Dart> dartToSplit = new Wrappers._T<Dart>(null);
      Dart opposite = null;
      if (MapSequence.fromMap(bends).get(ListSequence.fromList(darts).getElement(0)) > 0) {
        dartToSplit.value = ListSequence.fromList(darts).getElement(0);
        opposite = ListSequence.fromList(darts).getElement(1);
      }
      if (MapSequence.fromMap(bends).get(ListSequence.fromList(darts).getElement(1)) > 0) {
        dartToSplit.value = ListSequence.fromList(darts).getElement(1);
        opposite = ListSequence.fromList(darts).getElement(0);
      }
      if (dartToSplit.value != null) {
        while (MapSequence.fromMap(bends).get(dartToSplit.value) > 0) {
          List<Edge> newEdges = ListSequence.fromList(new ArrayList<Edge>());
          final Node addedNode = embeddedGraph.splitEdge(dartToSplit.value.getEdge(), newEdges);
          Edge first = ListSequence.fromList(newEdges).findFirst(new IWhereFilter<Edge>() {
            public boolean accept(Edge it) {
              return it.getOpposite(addedNode) == dartToSplit.value.getSource();
            }
          });
          Edge second = ListSequence.fromList(newEdges).findFirst(new IWhereFilter<Edge>() {
            public boolean accept(Edge it) {
              return it.getOpposite(addedNode) == dartToSplit.value.getTarget();
            }
          });
          for (Dart firstDart : ListSequence.fromList(embeddedGraph.getDarts(first))) {
            MapSequence.fromMap(bends).put(firstDart, 0);
            if (firstDart.getSource() == addedNode) {
              MapSequence.fromMap(angles).put(firstDart, 3);
            } else {
              MapSequence.fromMap(angles).put(firstDart, MapSequence.fromMap(angles).get(dartToSplit.value));
            }
          }
          Dart nextToSplit = null;
          Dart nextOpposite = null;
          for (Dart secondDart : ListSequence.fromList(embeddedGraph.getDarts(second))) {
            if (secondDart.getSource() == addedNode) {
              nextToSplit = secondDart;
              MapSequence.fromMap(bends).put(secondDart, MapSequence.fromMap(bends).get(dartToSplit.value) - 1);
              MapSequence.fromMap(angles).put(secondDart, 1);
            } else {
              nextOpposite = secondDart;
              MapSequence.fromMap(bends).put(secondDart, 0);
              MapSequence.fromMap(angles).put(secondDart, MapSequence.fromMap(angles).get(opposite));
            }
          }
          MapSequence.fromMap(bends).removeKey(dartToSplit.value);
          MapSequence.fromMap(angles).removeKey(dartToSplit.value);
          MapSequence.fromMap(bends).removeKey(opposite);
          MapSequence.fromMap(angles).removeKey(opposite);
          dartToSplit.value = nextToSplit;
          opposite = nextOpposite;
        }
      }
    }
  }
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graphLayout/jetbrains.mps.graphLayout.orthogonalLayout/source_gen/jetbrains/mps/graphLayout/internal/flowOrthogonalLayout/OrthogonalRepresentationWithNodesProcessing.java [117:174]:
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  public static void replaceBendsByNodes(EmbeddedGraph embeddedGraph, Map<Dart, Integer> bends, Map<Dart, Integer> angles) {
    for (Edge edge : ListSequence.fromList(embeddedGraph.getGraph().getEdges())) {
      List<Dart> darts = embeddedGraph.getDarts(edge);
      final Wrappers._T<Dart> dartToSplit = new Wrappers._T<Dart>(null);
      Dart opposite = null;
      if (MapSequence.fromMap(bends).get(ListSequence.fromList(darts).getElement(0)) > 0) {
        dartToSplit.value = ListSequence.fromList(darts).getElement(0);
        opposite = ListSequence.fromList(darts).getElement(1);
      }
      if (MapSequence.fromMap(bends).get(ListSequence.fromList(darts).getElement(1)) > 0) {
        dartToSplit.value = ListSequence.fromList(darts).getElement(1);
        opposite = ListSequence.fromList(darts).getElement(0);
      }
      if (dartToSplit.value != null) {
        while (MapSequence.fromMap(bends).get(dartToSplit.value) > 0) {
          List<Edge> newEdges = ListSequence.fromList(new ArrayList<Edge>());
          final Node addedNode = embeddedGraph.splitEdge(dartToSplit.value.getEdge(), newEdges);
          Edge first = ListSequence.fromList(newEdges).findFirst(new IWhereFilter<Edge>() {
            public boolean accept(Edge it) {
              return it.getOpposite(addedNode) == dartToSplit.value.getSource();
            }
          });
          Edge second = ListSequence.fromList(newEdges).findFirst(new IWhereFilter<Edge>() {
            public boolean accept(Edge it) {
              return it.getOpposite(addedNode) == dartToSplit.value.getTarget();
            }
          });
          for (Dart firstDart : ListSequence.fromList(embeddedGraph.getDarts(first))) {
            MapSequence.fromMap(bends).put(firstDart, 0);
            if (firstDart.getSource() == addedNode) {
              MapSequence.fromMap(angles).put(firstDart, 3);
            } else {
              MapSequence.fromMap(angles).put(firstDart, MapSequence.fromMap(angles).get(dartToSplit.value));
            }
          }
          Dart nextToSplit = null;
          Dart nextOpposite = null;
          for (Dart secondDart : ListSequence.fromList(embeddedGraph.getDarts(second))) {
            if (secondDart.getSource() == addedNode) {
              nextToSplit = secondDart;
              MapSequence.fromMap(bends).put(secondDart, MapSequence.fromMap(bends).get(dartToSplit.value) - 1);
              MapSequence.fromMap(angles).put(secondDart, 1);
            } else {
              nextOpposite = secondDart;
              MapSequence.fromMap(bends).put(secondDart, 0);
              MapSequence.fromMap(angles).put(secondDart, MapSequence.fromMap(angles).get(opposite));
            }
          }
          MapSequence.fromMap(bends).removeKey(dartToSplit.value);
          MapSequence.fromMap(angles).removeKey(dartToSplit.value);
          MapSequence.fromMap(bends).removeKey(opposite);
          MapSequence.fromMap(angles).removeKey(opposite);
          dartToSplit.value = nextToSplit;
          opposite = nextOpposite;
        }
      }
    }
  }
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