Example usage for javafx.scene.control TextField addEventHandler

Introduction

In this page you can find the example usage for javafx.scene.control TextField addEventHandler.

Prototype

public final <T extends Event> void addEventHandler(final EventType<T> eventType,
        final EventHandler<? super T> eventHandler) 

Source Link

Document

Registers an event handler to this node.

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   w w w.j  a  v a  2  s. c  om*/

    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;
}

---