Example usage for javafx.scene.control Slider setSnapToTicks

Introduction

In this page you can find the example usage for javafx.scene.control Slider setSnapToTicks.

Prototype

public final void setSnapToTicks(boolean value) 

Source Link

Usage

From source file:boundary.GraphPane.java

private Node addThresholdSlider(float min, float max) {
    HBox hBox = new HBox();

    hBox.setPadding(new Insets(15, 12, 15, 12));
    hBox.setStyle("-fx-background-color: #66FFFF;");

    Label lblThreshold = new Label("Threshold: ");
    lblThreshold.setPrefSize(100, 20);/*from   www.  j a v  a2 s.c  o m*/

    Label lblValue = new Label("Value: ");
    lblValue.setPrefSize(50, 20);
    TextField tfValue = new TextField(String.valueOf(min));

    Slider thresholdSlider = new Slider();
    thresholdSlider.setMin(Math.floor(min));
    thresholdSlider.setMax(Math.ceil(max));
    thresholdSlider.setMajorTickUnit(Math.ceil((max - min) / 5));
    thresholdSlider.setMinorTickCount(1);
    thresholdSlider.setBlockIncrement(1);
    thresholdSlider.setSnapToTicks(true);
    thresholdSlider.setShowTickMarks(true);

    thresholdSlider.valueProperty().addListener(new ChangeListener<Number>() {

        @Override
        public void changed(ObservableValue<? extends Number> observable, Number oldValue, Number newValue) {

            edgePredicate.setThreshold(newValue.floatValue());
            vertexPredicate.setThreshold(newValue.floatValue());

            vv.repaint();

            tfValue.setText(String.format(Locale.US, "%.2f", newValue.floatValue()));

        }
    });

    tfValue.addEventHandler(KeyEvent.KEY_PRESSED, new EventHandler<KeyEvent>() {

        @Override
        public void handle(KeyEvent event) {
            float value;

            try {
                value = Float.parseFloat(tfValue.getText());
            } catch (Exception ex) {
                value = 0;
            }
            edgePredicate.setThreshold(value);
            vertexPredicate.setThreshold(value);

            vv.repaint();

            thresholdSlider.setValue(value);

        }
    });

    Label lblSearch = new Label("Search: ");
    lblSearch.setPrefSize(70, 20);

    TextField tf = new TextField();

    tf.addEventHandler(KeyEvent.KEY_PRESSED, new EventHandler<KeyEvent>() {

        @Override
        public void handle(KeyEvent event) {
            String toFind = tf.getText().toLowerCase();

            for (NodeInfo nodeInfo : nodesHighlighted)
                nodeInfo.setHighlighted(false);

            if (nodesHighlighted.size() > 0) {
                nodesHighlighted.clear();
                vv.repaint();
            }

            if (toFind.length() > 2) {
                for (NodeInfo nodeInfo : nodes.values()) {
                    if (nodeInfo.getUserData().toLowerCase().contains((toFind))) {
                        nodeInfo.setHighlighted(true);
                        nodesHighlighted.add(nodeInfo);
                    }
                }

                if (nodesHighlighted.size() == 1) {
                    Layout<String, String> layout = vv.getGraphLayout();
                    Point2D q = layout.transform(nodesHighlighted.get(0).id);
                    Point2D lvc = vv.getRenderContext().getMultiLayerTransformer()
                            .inverseTransform(vv.getCenter());
                    final double dx = (lvc.getX() - q.getX()) / 10;
                    final double dy = (lvc.getY() - q.getY()) / 10;

                    Runnable animator = new Runnable() {

                        public void run() {
                            for (int i = 0; i < 10; i++) {
                                vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.LAYOUT)
                                        .translate(dx, dy);
                                try {
                                    Thread.sleep(100);
                                } catch (InterruptedException ex) {
                                }
                            }
                        }
                    };

                    Thread thread = new Thread(animator);
                    thread.start();
                }
                vv.repaint();
            }
        }
    });

    hBox.getChildren().addAll(lblThreshold, thresholdSlider, lblValue, tfValue, lblSearch, tf);

    return hBox;
}

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