Exemplo n.º 1
1
  private void analyzeEdges(UniversalGraph<Node, Edge> graph, int colCount) {
    for (Node node : graph.getNodes()) {
      node.conLeft = false;
      node.conRight = false;
      node.conTop = false;
      node.conBottom = false;
      node.conLeftTop = 0;
      node.conLeftBottom = 0;
      node.conRightTop = 0;
      node.conRightBottom = 0;
    }

    int rowCount = coordinates.size();
    ArrayList<Edge> edgesList = new ArrayList<Edge>(graph.getEdges());
    for (int row = 0; row < rowCount; row++) {
      for (int jump = 0; jump < colCount - 1; jump++) {
        Iterator<Edge> edges = edgesList.iterator();
        while (edges.hasNext()) {
          Edge edge = edges.next();
          if (edge.forward() && edge.sameRow(row) && edge.jump() == jump) {
            analyzeEdge(row, jump, edge);
            edges.remove();
          }
        }
        edges = edgesList.iterator();
        while (edges.hasNext()) {
          Edge edge = edges.next();
          if (edge.backward() && edge.sameRow(row) && edge.jump() == jump) {
            analyzeEdge(row, jump, edge);
            edges.remove();
          }
        }
      }
    }
  }
Exemplo n.º 2
0
  private void analyzeEdge(int row, int jump, Edge edge) {
    Node minNode = edge.min();
    Node maxNode = edge.max();
    if (jump == 0 && !minNode.conRight && !maxNode.conLeft) {
      edge.con = 0;
      minNode.conRight = maxNode.conLeft = true;
    } else {
      boolean topPossible = !minNode.conTop && !maxNode.conTop;
      if (topPossible) {
        int topHeight = Math.max(minNode.conRightTop, maxNode.conLeftTop);
        List<Node> nodes = coordinates.get(row);
        for (int i = minNode.col + 1; i < maxNode.col; i++) {
          Node node = nodes.get(i);
          if (node != null) {
            topHeight = Math.max(topHeight, node.conRightTop);
            topHeight = Math.max(topHeight, node.conLeftTop);
          }
        }
        topHeight++;

        edge.con = -topHeight;
        minNode.conRightTop = maxNode.conLeftTop = topHeight;
        for (int i = minNode.col + 1; i < maxNode.col; i++) {
          Node node = nodes.get(i);
          if (node != null) node.conTop = true;
        }
      } else {
        // boolean bottomPossible = minNode.conBottom==0 && maxNode.conBottom==0;

        int bottomHeight = Math.max(minNode.conRightBottom, maxNode.conLeftBottom);
        List<Node> nodes = coordinates.get(row);
        for (int i = minNode.col + 1; i < maxNode.col; i++) {
          Node node = nodes.get(i);
          if (node != null) {
            bottomHeight = Math.max(bottomHeight, node.conRightBottom);
            bottomHeight = Math.max(bottomHeight, node.conLeftBottom);
          }
        }
        bottomHeight++;

        edge.con = +bottomHeight;
        minNode.conRightBottom = maxNode.conLeftBottom = bottomHeight;
        for (int i = minNode.col + 1; i < maxNode.col; i++) {
          Node node = nodes.get(i);
          if (node != null) node.conBottom = true;
        }
      }
    }
  }
Exemplo n.º 3
0
  private LabelWidget createEdgeLabel(Edge edge) {
    LabelWidget label = new LabelWidget(this, edge.toString());
    label.setFont(Util.FIXED_WIDTH_FONT);
    label.setBorder(BorderFactory.createEmptyBorder(0, 0, 2, 0));

    label.getActions().addAction(hoverAction);
    label.getActions().addAction(editAction);
    label.getActions().addAction(moveAction);
    label.getActions().addAction(edgePopupAction);
    return label;
  }
Exemplo n.º 4
0
  @Override
  protected void performGraphLayout(UniversalGraph<Node, Edge> graph) {
    RuleScene scene = (RuleScene) graph.getScene();
    if (scene.getRule() == null) return;

    coordinates = scene.getRule().node.coordinates();

    List<Integer> columns = new ArrayList<Integer>();
    columns.add(originX);
    for (List<Node> nodes : coordinates) {
      for (int col = 1; col < nodes.size(); col++) {
        while (columns.size() <= col) columns.add(horizontalGap);

        Node minNode = nodes.get(col - 1);
        Node maxNode = nodes.get(col);
        int width = horizontalGap;
        if (maxNode != null && minNode != null) {
          int middleWidth = 0;
          for (Edge edge : minNode.outgoing) {
            if (edge.target == maxNode) {
              LabelWidget label = (LabelWidget) scene.findWidget(edge).getChildren().get(0);
              if (label.getLabel() != null)
                middleWidth = Math.max(middleWidth, 30 + label.getPreferredBounds().width);
            }
          }
          for (Edge edge : maxNode.outgoing) {
            if (edge.target == minNode) {
              LabelWidget label = (LabelWidget) scene.findWidget(edge).getChildren().get(0);
              if (label.getLabel() != null)
                middleWidth = Math.max(middleWidth, 30 + label.getPreferredBounds().width);
            }
          }
          middleWidth = Math.max(horizontalGap, middleWidth);

          int minWidth = scene.findWidget(minNode).getPreferredBounds().width / 2;
          int minLoopWidth = 0;
          for (Edge edge : minNode.outgoing) {
            if (edge.loop()) {
              LabelWidget label = (LabelWidget) scene.findWidget(edge).getChildren().get(0);
              if (label.getLabel() != null)
                minLoopWidth = Math.max(minLoopWidth, label.getPreferredBounds().width / 2);
            }
          }

          int maxWidth = scene.findWidget(maxNode).getPreferredBounds().width / 2;
          int maxLoopWidth = 0;
          for (Edge edge : maxNode.outgoing) {
            if (edge.loop()) {
              LabelWidget label = (LabelWidget) scene.findWidget(edge).getChildren().get(0);
              if (label.getLabel() != null)
                maxLoopWidth = Math.max(maxLoopWidth, label.getPreferredBounds().width / 2);
            }
          }

          width =
              Math.max(
                  horizontalGap,
                  Math.max(minWidth, minLoopWidth)
                      + middleWidth
                      + Math.max(maxWidth, maxLoopWidth));
        }
        columns.set(col, Math.max(columns.get(col), width));
      }
    }

    for (int i = 1; i < columns.size(); i++) columns.set(i, columns.get(i - 1) + columns.get(i));

    analyzeEdges(graph, columns.size());

    int rowCount = coordinates.size();
    int rows[] = new int[rowCount];
    for (int row = 0; row < rowCount; row++) {
      int top = 0;
      for (Node node : coordinates.get(row)) {
        if (node != null) {
          top = Math.max(top, node.conLeftTop);
          top = Math.max(top, node.conRightTop);

          int loop = 0;
          for (Edge edge : node.outgoing) {
            if (edge.loop()) loop++;
          }
          top = Math.max(top, loop);
        }
      }

      int bottom = 0;
      if (row > 0) {
        for (Node node : coordinates.get(row - 1)) {
          if (node != null) {
            bottom = Math.max(bottom, node.conLeftBottom);
            bottom = Math.max(bottom, node.conRightBottom);
          }
        }
      }

      int height = top + bottom;
      rows[row] = 50 * height;
      if (row > 0) rows[row] += rows[row - 1];
      if (height == 0) rows[row] += originY;
      else rows[row] += verticalGap;
    }

    for (Node node : graph.getNodes()) {
      Widget widget = scene.findWidget(node);
      Point location =
          new Point(columns.get(node.col), rows[node.row] /*originY + node.row * verticalGap*/);
      if (animated) scene.getSceneAnimator().animatePreferredLocation(widget, location);
      else widget.setPreferredLocation(location);
    }
  }