Exemplo n.º 1
0
  public static void main(String[] argv) {

    // -- 1. load the data ------------------------------------------------

    // load the socialnet.xml file. it is assumed that the file can be
    // found at the root of the java classpath
    Graph graph = null;
    try {
      graph = new GraphMLReader().readGraph(System.in);
    } catch (DataIOException e) {
      e.printStackTrace();
      System.err.println("Error loading graph. Exiting...");
      System.exit(1);
    }

    // -- 2. the visualization --------------------------------------------

    // add the graph to the visualization as the data group "graph"
    // nodes and edges are accessible as "graph.nodes" and "graph.edges"
    Visualization vis = new Visualization();
    vis.add("graph", graph);
    vis.setInteractive("graph.edges", null, false);

    // -- 3. the renderers and renderer factory ---------------------------

    // draw the "name" label for NodeItems
    LabelRenderer r = new LabelRenderer("label");
    r.setRoundedCorner(8, 8); // round the corners

    EdgeRenderer eRender =
        new EdgeRenderer(Constants.EDGE_TYPE_CURVE, Constants.EDGE_ARROW_FORWARD);

    // create a new default renderer factory
    // return our name label renderer as the default for all non-EdgeItems
    // includes straight line edges for EdgeItems by default
    vis.setRendererFactory(new DefaultRendererFactory(r, eRender));

    // -- 4. the processing actions ---------------------------------------

    // create our nominal color palette
    // pink for females, baby blue for males
    int[] palette =
        new int[] {
          ColorLib.rgb(190, 190, 255), ColorLib.rgb(255, 180, 180), ColorLib.rgb(128, 128, 128),
        };
    // map nominal data values to colors using our provided palette
    DataColorAction fill =
        new DataColorAction(
            "graph.nodes", "type", Constants.NOMINAL, VisualItem.FILLCOLOR, palette);

    // use black for node text
    ColorAction text = new ColorAction("graph.nodes", VisualItem.TEXTCOLOR, ColorLib.gray(0));
    // use light grey for edges
    ColorAction edges = new ColorAction("graph.edges", VisualItem.STROKECOLOR, ColorLib.gray(200));
    ColorAction arrows = new ColorAction("graph.edges", VisualItem.FILLCOLOR, ColorLib.gray(200));

    // create an action list containing all color assignments
    ActionList color = new ActionList();
    color.add(fill);
    color.add(text);
    color.add(edges);
    color.add(arrows);

    // Add a size action
    DataSizeAction size = new DataSizeAction("graph.nodes", "type", 2, Constants.LINEAR_SCALE);
    vis.putAction("size", size);

    // create an action list with an animated layout
    ActionList layout = new ActionList(Activity.INFINITY);
    layout.add(new ForceDirectedLayout("graph"));
    layout.add(new RepaintAction());

    // add the actions to the visualization
    vis.putAction("color", color);
    vis.putAction("layout", layout);

    // -- 5. the display and interactive controls -------------------------

    Display d = new Display(vis);
    d.setSize(720, 500); // set display size
    // drag individual items around
    d.addControlListener(new DragControl());
    // pan with left-click drag on background
    d.addControlListener(new PanControl());
    // zoom with right-click drag
    d.addControlListener(new ZoomControl());

    // -- 6. launch the visualization -------------------------------------

    // create a new window to hold the visualization
    JFrame frame = new JFrame("IFDS Visualization");
    // ensure application exits when window is closed
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(d);
    frame.pack(); // layout components in window
    frame.setVisible(true); // show the window

    // assign the colors
    vis.run("color");
    // start up the animated layout
    vis.run("layout");
  }
  /* (non-Javadoc)
   * @see org.lukep.javavis.visualisation.views.AbstractVisualisationView#visit(org.lukep.javavis.visualisation.visualisers.PrefuseVisualiser, org.lukep.javavis.ui.swing.WorkspaceContext, prefuse.Display)
   */
  @Override
  public void visit(PrefuseVisualiser visualiser, WorkspaceContext wspContext, Display display) {

    display.reset();

    // -- 1. load the data ------------------------------------------------

    Graph graph = new Graph();
    graph.addColumn("type", String.class);
    graph.addColumn("name", String.class);
    graph.addColumn("model", IGenericModelNode.class);
    graph.addColumn("metricMeasurement", double.class);

    // create package vertices
    ProjectModel modelStore = wspContext.getModelStore();
    HashMap<IGenericModelNode, Node> parentNodeMap =
        new HashMap<IGenericModelNode, Node>(modelStore.getPackageMap().size() + 10);
    Node curNode;

    for (PackageModel pkg : modelStore.getPackageMap().values()) {

      // add the package node
      curNode = graph.addNode();
      curNode.setString("type", pkg.getModelTypeName());
      curNode.setString("name", pkg.getSimpleName());
      curNode.set("model", pkg);

      // link to the parent with an edge
      IGenericModelNode parentPackage = pkg.getParent();
      if (parentPackage != null
          && parentPackage instanceof PackageModel
          && parentNodeMap.containsKey(parentPackage)) {

        // link to the parent package with an edge
        graph.addEdge(parentNodeMap.get(parentPackage), curNode);
      }

      parentNodeMap.put(pkg, curNode);
    }

    // create class and method nodes
    Queue<IGenericModelNode> modelQueue =
        new LinkedList<IGenericModelNode>(modelStore.getClassMap().values());
    IGenericModelNode model;

    while (modelQueue.peek() != null) {
      model = modelQueue.remove();

      curNode = graph.addNode();
      curNode.setString("type", model.getModelTypeName());
      curNode.setString("name", model.getSimpleName());
      curNode.set("model", model);

      // add children to iterModels
      if (model.getChildCount() > 0) {
        for (Relationship r : model.getChildren())
          if (r.getRelationshipType() == RelationshipType.ENCLOSED_IN)
            modelQueue.add(r.getTarget());
        parentNodeMap.put(model, curNode);
      }

      // link to the parent package
      if (parentNodeMap.containsKey(model.getParent())) {
        graph.addEdge(parentNodeMap.get(model.getParent()), curNode);
      }

      // grab metric measurement if applicable
      if (model instanceof IMeasurableNode
          && wspContext.getMetric().testAppliesTo(model.getModelTypeName())) {
        curNode.setDouble(
            "metricMeasurement",
            ((IMeasurableNode) (model)).getMetricMeasurement(wspContext.getMetric()).getResult());
      }
    }

    // -- 2. the visualisation --------------------------------------------

    // TODO implement a Visualization cache
    Visualization vis = new Visualization();
    vis.add("graph", graph);
    vis.setInteractive("graph.edges", null, false);

    // -- 3. the renderers and renderer factory ---------------------------

    LabelRenderer r = new LabelRenderer("name");
    r.setRoundedCorner(8, 8);

    vis.setRendererFactory(new DefaultRendererFactory(r));

    // -- 4. the processing actions ---------------------------------------

    // create our nominal color palette
    // pink for classes, baby blue for packages
    int[] palette = ColorLib.getCoolPalette();
    // create a metric palette
    int[] mPalette = ColorLib.getInterpolatedPalette(0xFF00AA6D, 0xFFFFAA6D);

    // TODO replace
    int[] mPalette2 = new int[mPalette.length + 1];
    mPalette2[0] = Color.lightGray.getRGB();
    for (int i = 1; i < mPalette.length; i++) mPalette2[i] = mPalette[i];

    // map nominal data values to colors using our provided palette
    DataColorAction fill =
        new DataColorAction(
            "graph.nodes", "type", Constants.NOMINAL, VisualItem.FILLCOLOR, palette);
    DataColorAction fillMetrics =
        new DataColorAction(
            "graph.nodes",
            "metricMeasurement",
            Constants.NUMERICAL,
            VisualItem.FILLCOLOR,
            mPalette2);
    // use black for node text
    ColorAction text = new ColorAction("graph.nodes", VisualItem.TEXTCOLOR, ColorLib.gray(0));
    // use light grey for edges
    ColorAction edges = new ColorAction("graph.edges", VisualItem.STROKECOLOR, ColorLib.gray(200));

    // create an action list containing all color assignments
    ActionList colour = new ActionList();
    colour.add(fillMetrics);
    colour.add(text);
    colour.add(edges);

    // create an action list with an animated layout
    ActionList layout = new ActionList(Activity.INFINITY);
    // layout.add(new ForceDirectedLayout("graph"));
    layout.add(new NodeLinkTreeLayout("graph"));
    layout.add(new RepaintAction());

    // add the actions to the visualisation
    vis.putAction("colour", colour);
    vis.putAction("layout", layout);

    // -- 5. the display and interactive controls -------------------------

    display.setVisualization(vis);

    // -- 6. launch the visualization -------------------------------------

    vis.run("colour");
    vis.run("layout");
  }