Exemple #1
0
 // function that executes the puzzle graph layout(s) through an animation
 // Uses the organic layout to first separate independent nodes, then uses the
 // hierarchical layout to make it look nifty
 public static void updatePuzzleGraph() {
   frmPuzzledicePuzzleEditor.setEnabled(false);
   puzzleGraph.getModel().beginUpdate();
   try {
     puzzleGraphHierLayout.execute(puzzleGraph.getDefaultParent());
   } finally {
     mxMorphing morph = new mxMorphing(puzzleGraphComponent, 20, 1.2, 20);
     morph.addListener(
         mxEvent.DONE,
         new mxIEventListener() {
           public void invoke(Object sender, mxEventObject evt) {
             puzzleGraph.getModel().endUpdate();
             frmPuzzledicePuzzleEditor.setEnabled(true);
           }
         });
     morph.startAnimation();
   }
 }
  public drawGraph(Data d, String name) {

    // Create JFrame
    f = new JFrame(name);
    f.setSize(500, 500);
    f.setLocation(300, 200);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    // Set initial locations for vertices
    int xLoc = 20;
    int yLoc = 20;

    // Initialize temporary holding variables
    Object temp;
    String style = "";
    Vertex v;
    int i;

    // Create hashtable of IDs pointing to vertices
    Hashtable<Integer, Object> findVert = new Hashtable<Integer, Object>();

    // Create mxGraph
    final mxGraph graph = new mxGraph();
    mxGraphComponent graphComponent = new mxGraphComponent(graph);
    f.getContentPane().add(BorderLayout.CENTER, graphComponent);
    f.setVisible(true);

    Object parent = graph.getDefaultParent();
    graph.getModel().beginUpdate();

    // Read in all vertices in array list
    try {
      for (i = 0; i < d.vertices.size(); i++) {

        v = d.vertices.get(i);

        // Design vertices based on data type
        if (v.type.equals("String")) style = "fontColor=black;fillColor=#65AED";
        else if (v.type.equals("Array Reference")) style = "fontColor=black;fillColor=#74A0EF";
        else if (v.type.equals("Object Reference")) style = "fontColor=black;fillColor=#FF8330";
        else if (v.type.equals("Primitive")) style = "fontColor=black;fillColor=#BCE640";
        else if (v.type.equals("Frame")) style = "fontColor=black;fillColor=#CCCCCC";
        else style = "fontColor=black;fillColor=#FF6262";

        // Create vertices and put in hashtable
        if (!findVert.containsKey(d.vertices.get(i).id)) {
          temp =
              graph.insertVertex(parent, null, d.vertices.get(i).value, xLoc, yLoc, 80, 30, style);
          findVert.put(d.vertices.get(i).id, temp);
        }
        yLoc += 50;
        style = "";
      }

      // For each edge, create a vertex between start and finish to prevent overlapping edge labels
      try {
        for (i = 0; i < d.edges.size(); i++) {
          temp =
              graph.insertVertex(
                  parent,
                  null,
                  d.edges.get(i).name,
                  xLoc,
                  yLoc,
                  40,
                  20,
                  "strokeColor=#EEEEEE;fillColor=#EEEEEE");
          graph.insertEdge(
              parent, null, "", findVert.get(d.edges.get(i).source.id), temp, "endArrow=none");
          graph.insertEdge(parent, null, "", temp, findVert.get(d.edges.get(i).destination.id));
        }
      } catch (NullPointerException npe) {
        System.out.println(d.edges.get(i).name);
      }

    } finally {
      graph.getModel().endUpdate();
    }

    // Define layout
    mxFastOrganicLayout layout = new mxFastOrganicLayout(graph);
    layout.setForceConstant(120);

    // Layout using morphing
    graph.getModel().beginUpdate();

    try {
      layout.execute(graph.getDefaultParent());
    } finally {
      mxMorphing morph = new mxMorphing(graphComponent, 20, 1.2, 20);

      morph.addListener(
          mxEvent.DONE,
          new mxIEventListener() {

            @Override
            public void invoke(Object arg0, mxEventObject arg1) {
              graph.getModel().endUpdate();
            }
          });

      morph.startAnimation();
    }
  }