Examples of diva.canvas.CompositeFigure

diva.canvas.CompositeFigure
A CompositeFigure is a figure that contains a set of child figures. It uses a ZList as the internal representation of its children, and implements wrappers for many of the z-list methods to provide flexible access to the contained figures. Note that this class exposes the ability to add and remove children by any client, and is thus intended for use in situations in which the number of child figures is either large or unpredictable. For applications in which the number of children is smaller and predictable, and more restricted access to the children is require, applications should implement a custom subclass of AbstractFigureContainer. For an example, see diva.canvas.toolbox.IconFigure. @version $Id: CompositeFigure.java,v 1.19 2007/12/16 07:30:18 cxh Exp $ @author John Reekie @Pt.AcceptedRating Yellow

    }


    /** Create a composite figure that does not have a background
     */
    public void createCompositeFigure() {
        CompositeFigure tc = new CompositeFigure();
        Figure bg = new BasicRectangle(100.0, 100.0, 100.0, 100.0, Color.green);
        tc.add(bg);
        layer.add(tc);
        tc.setInteractor(defaultInteractor);
        addPorts(tc);
    }

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    /** Create a composite figure that uses the background facility.
     * Generally, for figures of this nature, this is a better thing to do.
     */
    public void createBackgroundedCompositeFigure() {
        CompositeFigure tc = new CompositeFigure();
        Figure bg = new BasicRectangle(100.0, 100.0, 100.0, 100.0, Color.blue);
        tc.setBackgroundFigure(bg);
        layer.add(tc);
        tc.setInteractor(defaultInteractor);
        addPorts(tc);
        tc.translate(200.0, 0);
    }

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            FigureTest.FigureFactory {
        // FindBugs suggests making this class static so as to decrease
        // the size of instances and avoid dangling references.
        public Figure createFigure() {
            Figure bg = new BasicRectangle(10, 10, 20, 20, Color.blue);
            Figure cf = new CompositeFigure(bg);
            return cf;
        }

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            double y = borderPercentage * p.getY();
            double w = getLayoutPercentage() * p.getX();
            double h = getLayoutPercentage() * p.getY();
            return new Rectangle2D.Double(x, y, w, h);
        } else if (model.isComposite(composite)) {
            CompositeFigure cf = (CompositeFigure) _controller
                    .getFigure(composite);


            if (cf != null) {
                return cf.getShape().getBounds2D();
            }
        }


        String err = "Unknown graph.  Cannot determine viewport.";
        throw new IllegalArgumentException(err);

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     * in the controller's graph pane.
     */
    public Figure drawNode(Object node, Object parent) {
        // FIXME what if node was previously rendered?
        Figure newFigure = _renderNode(node);
        CompositeFigure cf = (CompositeFigure) _controller.getFigure(parent);
        cf.add(newFigure);


        // Now draw the contained nodes, letting them go where they want to.
        _drawChildren(node);


        _controller.dispatch(new GraphViewEvent(this,

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        BasicFigure bf = new BasicFigure(shape);
        bf.setFillPaint(fill);


        if (model.isComposite(node)) {
            CompositeFigure rep = new CompositeFigure(bf);
            double scale = getCompositeScale();
            rep.getTransformContext().getTransform().scale(scale, scale);
            return rep;
        }


        bf.setToolTipText(bf.toString());
        return bf;

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    /** Setup the transform object.
     */
    public void initialize() throws IllegalActionException {
        super.initialize();


        CompositeFigure compositeFigure = new CompositeFigure();
        _figure = compositeFigure;
        _applyInitialTransform(_figure);
    }

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                double normal = CanvasUtilities.getNormal(direction);


                String name = port.getName();
                Rectangle2D backBounds = figure.getBounds();
                figure = new CompositeFigure(figure) {
                    // Override this because we want to show the type.
                    // It doesn't work to set it once because the type
                    // has not been resolved, and anyway, it may
                    // change. NOTE: This is copied from above.
                    public String getToolTipText() {

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        protected void _highlightNode(Object node, Figure figure) {
            if ((node != null) && !_hide(node)) {
                GraphModel model = getController().getGraphModel();
                Object object = model.getSemanticObject(node);
                CompositeFigure cf = _getCompositeFigure(figure);


                if (object instanceof NamedObj && cf != null && !_transformed
                        && _results != null
                        && _results.get(_currentPosition).containsValue(object)) {
                    Rectangle2D bounds = cf.getBackgroundFigure().getBounds();
                    float padding = _HIGHLIGHT_PADDING;
                    RoundedRectangle rf = new RoundedRectangle(
                            bounds.getX() - padding, bounds.getY() - padding,
                            bounds.getWidth() + padding * 2.0,
                            bounds.getHeight() + padding * 2.0,
                            null, _HIGHLIGHT_THICKNESS, 32.0, 32.0);
                    rf.setStrokePaint(_HIGHLIGHT_COLOR);


                    int index = cf.getFigureCount();
                    if (index < 0) {
                        index = 0;
                    }
                    cf.add(index, rf);
                }
            }
        }

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        // Wrap in a CompositeFigure with echos of the bounding box.
        // Note that the bounds here are actually bigger than the
        // bounding box, which may be OK in this case.
        Rectangle2D bounds = result.getBounds();
        CompositeFigure composite = new CompositeFigure();
        BasicRectangle rectangle = new BasicRectangle(bounds.getX() + 10.0,
                bounds.getY() + 10.0, bounds.getWidth(), bounds.getHeight(),
                Color.white);
        composite.add(rectangle);


        BasicRectangle rectangle2 = new BasicRectangle(bounds.getX() + 5.0,
                bounds.getY() + 5.0, bounds.getWidth(), bounds.getHeight(),
                Color.white);
        composite.add(rectangle2);


        BasicRectangle rectangle3 = new BasicRectangle(bounds.getX(), bounds
                .getY(), bounds.getWidth(), bounds.getHeight(), Color.white);
        composite.add(rectangle3);
        composite.add(result);
        return composite;
    }

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