示例#1
0
  public static void main(String argv[]) {

    // Some numbers
    ComplexNumber a, b, c;
    ArrayList<ComplexNumber> nodes = new ArrayList<ComplexNumber>();
    nodes.add(a = new ComplexNumber(20, 20));
    nodes.add(b = new ComplexNumber(100, 100));
    nodes.add(c = new ComplexNumber(50, 50));

    // Some relations (whatever they are)
    // When you don't have a first class entity for a relation use the placeholder
    ArrayList<RelationPlaceholder<ComplexNumber>> edges =
        new ArrayList<RelationPlaceholder<ComplexNumber>>();
    edges.add(new RelationPlaceholder<ComplexNumber>(b, a));
    edges.add(new RelationPlaceholder<ComplexNumber>(c, a));

    // Example 1
    Figure f = new Figure().observer(new SwingObserver());
    f.nodesUsing(
        nodes,
        new RectangleNodePainter(true)
            .width(
                new AbstractNumericalCommand("Real") {
                  public double execute() {
                    return ((ComplexNumber) receiver).x;
                  }
                })
            .height(
                new AbstractNumericalCommand("Imag") {
                  public double execute() {
                    return ((ComplexNumber) receiver).y;
                  }
                }));
    f.layout(new FlowLayout());
    renderFigure(f);

    // Example 2
    f = new Figure().observer(new SwingObserver());
    f.nodesUsing(
        nodes,
        new EllipseNodePainter(10, 10, true)
            .x(
                new AbstractNumericalCommand("Real") {
                  public double execute() {
                    return ((ComplexNumber) receiver).x;
                  }
                })
            .y(
                new AbstractNumericalCommand("Imag") {
                  public double execute() {
                    return ((ComplexNumber) receiver).y;
                  }
                })
            .color(
                new LinearNormalizerColor(
                    nodes,
                    new AbstractNumericalCommand("Module") {
                      public double execute() {
                        return ((ComplexNumber) receiver).x * ((ComplexNumber) receiver).x
                            + ((ComplexNumber) receiver).y * ((ComplexNumber) receiver).y;
                      }
                    }))
            .name(
                new AbstractStringCommand("toString") {
                  public String execute() {
                    return receiver.toString();
                  }
                }));
    f.layout(new ScatterPlotLayout());
    renderFigure(f);

    // Example 3
    f = new Figure().observer(new SwingObserver());
    f.nodesUsing(
        nodes,
        new RectangleNodePainter(10, 10, true)
            .name(
                new AbstractStringCommand("toString") {
                  public String execute() {
                    return receiver.toString();
                  }
                }));
    f.edgesUsing(
        edges,
        new LineEdgePainter(
            new AbstractEntityCommand() {
              public Object execute() {
                return ((RelationPlaceholder) receiver).getSource();
              }
            },
            new AbstractEntityCommand() {
              public Object execute() {
                return ((RelationPlaceholder) receiver).getDestination();
              }
            }));
    f.layout(new TreeLayout(50, 50));
    renderFigure(f);

    // Example 4
    f = new Figure().observer(new SwingObserver());
    f.nodesUsingForEach(
        nodes,
        new RectangleNodePainter(10, 10, true)
            .name(
                new AbstractStringCommand("toString") {
                  public String execute() {
                    return receiver.toString();
                  }
                }),
        new AbstractFigureDescriptionCommand() {
          public Figure describe() {
            Figure in = new Figure().observer(observer);
            ArrayList list = new ArrayList();
            // If a.equels(b) == true then a and b cannot have two distinct visual representattions!
            list.add(new Integer(((ComplexNumber) receiver).x));
            list.add(new Integer(((ComplexNumber) receiver).y * 2));
            in.nodesUsing(
                list,
                new RectangleNodePainter(20, 20, true)
                    .name(
                        new AbstractStringCommand("Name") {
                          public String execute() {
                            return receiver.toString();
                          }
                        }));
            in.layout(new FlowLayout());
            return in;
          }
        });
    f.edgesUsing(
        edges,
        new LineEdgePainter(
            new AbstractEntityCommand() {
              public Object execute() {
                return ((RelationPlaceholder) receiver).getSource();
              }
            },
            new AbstractEntityCommand() {
              public Object execute() {
                return ((RelationPlaceholder) receiver).getDestination();
              }
            }));
    f.layout(new TreeLayout(50, 50));
    renderFigure(f);
  }
示例#2
0
 private static void renderFigure(Figure<?> f) {
   ViewRenderer r = new ViewRenderer();
   f.renderOn(r);
   r.open();
 }