Example usage for javafx.scene.layout Pane prefHeightProperty

List of usage examples for javafx.scene.layout Pane prefHeightProperty

Introduction

In this page you can find the example usage for javafx.scene.layout Pane prefHeightProperty.

Prototype

public final DoubleProperty prefHeightProperty() 

Source Link

Usage

From source file:nl.rivm.cib.episim.model.disease.infection.MSEIRSPlot.java

@Override
public void start(final Stage stage) {
    final SIRConfig conf = ConfigFactory.create(SIRConfig.class);
    final double[] t = conf.t();
    final long[] pop = conf.population();
    final double n0 = Arrays.stream(pop).sum();
    final String[] colors = conf.colors(), colors2 = conf.colors2();

    final Pane plot = new Pane();
    plot.setPrefSize(400, 300);//w w  w.  jav  a2s. c  o m
    plot.setMinSize(50, 50);

    final NumberAxis xAxis = new NumberAxis(t[0], t[1], (t[1] - t[0]) / 10);
    final NumberAxis yAxis = new NumberAxis(0, n0, n0 / 10);
    final Pane axes = new Pane();
    axes.prefHeightProperty().bind(plot.heightProperty());
    axes.prefWidthProperty().bind(plot.widthProperty());

    xAxis.setSide(Side.BOTTOM);
    xAxis.setMinorTickVisible(false);
    xAxis.setPrefWidth(axes.getPrefWidth());
    xAxis.prefWidthProperty().bind(axes.widthProperty());
    xAxis.layoutYProperty().bind(axes.heightProperty());

    yAxis.setSide(Side.LEFT);
    yAxis.setMinorTickVisible(false);
    yAxis.setPrefHeight(axes.getPrefHeight());
    yAxis.prefHeightProperty().bind(axes.heightProperty());
    yAxis.layoutXProperty().bind(Bindings.subtract(1, yAxis.widthProperty()));
    axes.getChildren().setAll(xAxis, yAxis);

    final Label lbl = new Label(String.format("R0=%.1f, recovery=%.1ft\nSIR(0)=%s", conf.reproduction(),
            conf.recovery(), Arrays.toString(pop)));
    lbl.setTextAlignment(TextAlignment.CENTER);
    lbl.setTextFill(Color.WHITE);

    final Path[] deterministic = { new Path(), new Path(), new Path() };
    IntStream.range(0, pop.length).forEach(i -> {
        final Color color = Color.valueOf(colors[i]);
        final Path path = deterministic[i];
        path.setStroke(color.deriveColor(0, 1, 1, 0.6));
        path.setStrokeWidth(2);
        path.setClip(new Rectangle(0, 0, plot.getPrefWidth(), plot.getPrefHeight()));
    });

    plot.getChildren().setAll(axes);

    // fill paths with integration estimates
    final double xl = xAxis.getLowerBound(), sx = plot.getPrefWidth() / (xAxis.getUpperBound() - xl),
            yh = plot.getPrefHeight(), sy = yh / (yAxis.getUpperBound() - yAxis.getLowerBound());
    final TreeMap<Double, Integer> iDeterministic = new TreeMap<>();

    MSEIRSTest.deterministic(conf, () -> new DormandPrince853Integrator(1.0E-8, 10, 1.0E-20, 1.0E-20))
            .subscribe(yt -> {
                iDeterministic.put(yt.getKey(), deterministic[0].getElements().size());
                final double[] y = yt.getValue();
                final double x = (yt.getKey() - xl) * sx;
                for (int i = 0; i < y.length; i++) {
                    final double yi = yh - y[i] * sy;
                    final PathElement di = deterministic[i].getElements().isEmpty() ? new MoveTo(x, yi)
                            : new LineTo(x, yi);
                    deterministic[i].getElements().add(di);
                }
            }, e -> LOG.error("Problem", e), () -> plot.getChildren().addAll(deterministic));

    final Path[] stochasticTau = { new Path(), new Path(), new Path() };
    IntStream.range(0, pop.length).forEach(i -> {
        final Color color = Color.valueOf(colors[i]);
        final Path path = stochasticTau[i];
        path.setStroke(color);
        path.setStrokeWidth(1);
        path.setClip(new Rectangle(0, 0, plot.getPrefWidth(), plot.getPrefHeight()));
    });

    final TreeMap<Double, Integer> iStochasticTau = new TreeMap<>();
    MSEIRSTest.stochasticGillespie(conf).subscribe(yt -> {
        final double x = (yt.getKey() - xl) * sx;
        iStochasticTau.put(yt.getKey(), stochasticTau[0].getElements().size());
        final long[] y = yt.getValue();
        for (int i = 0; i < y.length; i++) {
            final double yi = yh - y[i] * sy;
            final ObservableList<PathElement> path = stochasticTau[i].getElements();
            if (path.isEmpty()) {
                path.add(new MoveTo(x, yi)); // first
            } else {
                final PathElement last = path.get(path.size() - 1);
                final double y_prev = last instanceof MoveTo ? ((MoveTo) last).getY() : ((LineTo) last).getY();
                path.add(new LineTo(x, y_prev));
                path.add(new LineTo(x, yi));
            }
        }
    }, e -> LOG.error("Problem", e), () -> plot.getChildren().addAll(stochasticTau));

    final Path[] stochasticRes = { new Path(), new Path(), new Path() };
    IntStream.range(0, pop.length).forEach(i -> {
        final Color color = Color.valueOf(colors2[i]);
        final Path path = stochasticRes[i];
        path.setStroke(color);
        path.setStrokeWidth(1);
        path.setClip(new Rectangle(0, 0, plot.getPrefWidth(), plot.getPrefHeight()));
    });

    final TreeMap<Double, Integer> iStochasticRes = new TreeMap<>();
    MSEIRSTest.stochasticSellke(conf).subscribe(yt -> {
        final double x = (yt.getKey() - xl) * sx;
        iStochasticRes.put(yt.getKey(), stochasticRes[0].getElements().size());
        final long[] y = yt.getValue();
        for (int i = 0; i < y.length; i++) {
            final double yi = yh - y[i] * sy;
            final ObservableList<PathElement> path = stochasticRes[i].getElements();
            if (path.isEmpty()) {
                path.add(new MoveTo(x, yi)); // first
            } else {
                final PathElement last = path.get(path.size() - 1);
                final double y_prev = last instanceof MoveTo ? ((MoveTo) last).getY() : ((LineTo) last).getY();
                path.add(new LineTo(x, y_prev));
                path.add(new LineTo(x, yi));
            }
        }
    }, e -> LOG.error("Problem", e), () -> plot.getChildren().addAll(stochasticRes));

    // auto-scale on stage/plot resize 
    // FIXME scaling around wrong origin, use ScatterChart?
    //         xAxis.widthProperty()
    //               .addListener( (ChangeListener<Number>) ( observable,
    //                  oldValue, newValue ) ->
    //               {
    //                  final double scale = ((Double) newValue)
    //                        / plot.getPrefWidth();
    //                  plot.getChildren().filtered( n -> n instanceof Path )
    //                        .forEach( n ->
    //                        {
    //                           final Path path = (Path) n;
    //                           path.setScaleX( scale );
    //                           path.setTranslateX( (path
    //                                 .getBoundsInParent().getWidth()
    //                                 - path.getLayoutBounds().getWidth())
    //                                 / 2 );
    //                        } );
    //               } );
    //         plot.heightProperty()
    //               .addListener( (ChangeListener<Number>) ( observable,
    //                  oldValue, newValue ) ->
    //               {
    //                  final double scale = ((Double) newValue)
    //                        / plot.getPrefHeight();
    //                  plot.getChildren().filtered( n -> n instanceof Path )
    //                        .forEach( n ->
    //                        {
    //                           final Path path = (Path) n;
    //                           path.setScaleY( scale );
    //                           path.setTranslateY(
    //                                 (path.getBoundsInParent()
    //                                       .getHeight() * (scale - 1))
    //                                       / 2 );
    //                        } );
    //               } );

    final StackPane layout = new StackPane(lbl, plot);
    layout.setAlignment(Pos.TOP_CENTER);
    layout.setPadding(new Insets(50));
    layout.setStyle("-fx-background-color: rgb(35, 39, 50);");

    final Line vertiCross = new Line();
    vertiCross.setStroke(Color.SILVER);
    vertiCross.setStrokeWidth(1);
    vertiCross.setVisible(false);
    axes.getChildren().add(vertiCross);

    final Tooltip tip = new Tooltip("");
    tip.setAutoHide(false);
    tip.hide();
    axes.setOnMouseExited(ev -> tip.hide());
    axes.setOnMouseMoved(ev -> {
        final Double x = (Double) xAxis.getValueForDisplay(ev.getX());
        if (x > xAxis.getUpperBound() || x < xAxis.getLowerBound()) {
            tip.hide();
            vertiCross.setVisible(false);
            return;
        }
        final Double y = (Double) yAxis.getValueForDisplay(ev.getY());
        if (y > yAxis.getUpperBound() || y < yAxis.getLowerBound()) {
            tip.hide();
            vertiCross.setVisible(false);
            return;
        }
        final double xs = xAxis.getDisplayPosition(x);
        vertiCross.setStartX(xs);
        vertiCross.setStartY(yAxis.getDisplayPosition(0));
        vertiCross.setEndX(xs);
        vertiCross.setEndY(yAxis.getDisplayPosition(yAxis.getUpperBound()));
        vertiCross.setVisible(true);
        final int i = (iDeterministic.firstKey() > x ? iDeterministic.firstEntry()
                : iDeterministic.floorEntry(x)).getValue();
        final Object[] yi = Arrays.stream(deterministic).mapToDouble(p -> getY(p, i))
                .mapToObj(yAxis::getValueForDisplay).map(n -> DecimalUtil.toScale(n, 1)).toArray();
        final int j = (iStochasticTau.firstKey() > x ? iStochasticTau.firstEntry()
                : iStochasticTau.floorEntry(x)).getValue();
        final Object[] yj = Arrays.stream(stochasticTau).mapToDouble(p -> getY(p, j))
                .mapToObj(yAxis::getValueForDisplay).map(n -> DecimalUtil.toScale(n, 0)).toArray();
        final int k = (iStochasticRes.firstKey() > x ? iStochasticRes.firstEntry()
                : iStochasticRes.floorEntry(x)).getValue();
        final Object[] yk = Arrays.stream(stochasticRes).mapToDouble(p -> getY(p, k))
                .mapToObj(yAxis::getValueForDisplay).map(n -> DecimalUtil.toScale(n, 0)).toArray();
        final String txt = String.format("SIR(t=%.1f)\n" + "~det%s\n" + "~tau%s\n" + "~res%s", x,
                Arrays.toString(yi), Arrays.toString(yj), Arrays.toString(yk));

        tip.setText(txt);
        tip.show(axes, ev.getScreenX() - ev.getSceneX() + xs, ev.getScreenY() + 15);
    });

    try {
        stage.getIcons().add(new Image(FileUtil.toInputStream("icon.jpg")));
    } catch (final IOException e) {
        LOG.error("Problem", e);
    }
    stage.setTitle("Deterministic vs. Stochastic");
    stage.setScene(new Scene(layout, Color.rgb(35, 39, 50)));
    //         stage.setOnHidden( ev -> tip.hide() );
    stage.show();
}