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);
}
private static void renderFigure(Figure<?> f) {
ViewRenderer r = new ViewRenderer();
f.renderOn(r);
r.open();
}