import java.util.Calendar;
import java.util.GregorianCalendar;
import javafx.animation.Animation;
import javafx.animation.FadeTransition;
import javafx.animation.Interpolator;
import javafx.animation.KeyFrame;
import javafx.animation.KeyValue;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Pos;
import javafx.scene.Cursor;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.effect.Glow;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Line;
import javafx.scene.text.Text;
import javafx.scene.transform.Rotate;
import javafx.stage.Stage;
import javafx.stage.StageStyle;
import javafx.util.Duration;
/**
* Note that this clock does not keep perfect time, but is close. It's main
* purpose is to demonstrate various features of JavaFX.
*/
public class WordClock extends Application {
public static void main(String[] args) {
launch(args);
}
public void start(final Stage stage) throws Exception {
// construct the analogueClock pieces.
final Circle face = new Circle(100, 100, 100);
face.setId("face");
final Label brand = new Label("Amit");
brand.setId("brand");
brand.layoutXProperty().bind(
face.centerXProperty()
.subtract(brand.widthProperty().divide(2)));
brand.layoutYProperty().bind(
face.centerYProperty().add(face.radiusProperty().divide(2)));
final Line hourHand = new Line(0, 0, 0, -50);
hourHand.setTranslateX(100);
hourHand.setTranslateY(100);
hourHand.setId("hourHand");
final Line minuteHand = new Line(0, 0, 0, -75);
minuteHand.setTranslateX(100);
minuteHand.setTranslateY(100);
minuteHand.setId("minuteHand");
final Line secondHand = new Line(0, 15, 0, -88);
secondHand.setTranslateX(100);
secondHand.setTranslateY(100);
secondHand.setId("secondHand");
final Circle spindle = new Circle(100, 100, 5);
spindle.setId("spindle");
Group ticks = new Group();
String[] hourString = { "One", "Two", "Three", "Four", "Five", "Six",
"Seven", "Eight", "Nine", "Ten", "Eleven", "Twelve" };
for (int i = 0; i < 12; i++) {
Text tick = new Text(hourString[i]);
tick.setX(68);
tick.setTranslateX(100);
tick.setTranslateY(100);
tick.getStyleClass().add("tick");
tick.getTransforms().add(new Rotate(i * (360 / 12) - 60));
ticks.getChildren().add(tick);
}
final Group analogueClock = new Group(face, brand, ticks, spindle,
hourHand, minuteHand, secondHand);
// construct the digitalClock pieces.
final Label digitalClock = new Label();
digitalClock.setId("digitalClock");
// determine the starting time.
Calendar calendar = GregorianCalendar.getInstance();
final double seedSecondDegrees = calendar.get(Calendar.SECOND)
* (360 / 60);
final double seedMinuteDegrees = (calendar.get(Calendar.MINUTE) + seedSecondDegrees / 360.0)
* (360 / 60);
final double seedHourDegrees = (calendar.get(Calendar.HOUR) + seedMinuteDegrees / 360.0)
* (360 / 12);
// define rotations to map the analogueClock to the current time.
final Rotate ticksRotate = new Rotate(seedSecondDegrees, 100, 100);
final Rotate hourRotate = new Rotate(seedHourDegrees);
final Rotate minuteRotate = new Rotate(seedMinuteDegrees);
final Rotate secondRotate = new Rotate(seedSecondDegrees);
ticks.getTransforms().add(ticksRotate);
hourHand.getTransforms().add(hourRotate);
minuteHand.getTransforms().add(minuteRotate);
secondHand.getTransforms().add(secondRotate);
final Timeline ticksTime = new Timeline(new KeyFrame(
Duration.seconds(60), new KeyValue(ticksRotate.angleProperty(),
360 + seedSecondDegrees, Interpolator.LINEAR)));
// the hour hand rotates twice a day.
final Timeline hourTime = new Timeline(new KeyFrame(Duration.hours(12),
new KeyValue(hourRotate.angleProperty(), 360 + seedHourDegrees,
Interpolator.LINEAR)));
// the minute hand rotates once an hour.
final Timeline minuteTime = new Timeline(new KeyFrame(
Duration.minutes(60), new KeyValue(
minuteRotate.angleProperty(), 360 + seedMinuteDegrees,
Interpolator.LINEAR)));
// move second hand rotates once a minute.
final Timeline secondTime = new Timeline(new KeyFrame(
Duration.seconds(60), new KeyValue(
secondRotate.angleProperty(), 360 + seedSecondDegrees,
Interpolator.LINEAR)));
// the digital clock updates once a second.
final Timeline digitalTime = new Timeline(new KeyFrame(
Duration.seconds(0), new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent actionEvent) {
Calendar calendar = GregorianCalendar.getInstance();
String hourString = pad(2, '0',
calendar.get(Calendar.HOUR) == 0 ? "12"
: calendar.get(Calendar.HOUR) + "");
String minuteString = pad(2, '0',
calendar.get(Calendar.MINUTE) + "");
String secondString = pad(2, '0',
calendar.get(Calendar.SECOND) + "");
String ampmString = calendar.get(Calendar.AM_PM) == Calendar.AM ? "AM"
: "PM";
digitalClock.setText(hourString + ":" + minuteString
+ ":" + secondString + " " + ampmString);
}
}), new KeyFrame(Duration.seconds(1)));
// time never ends.
ticksTime.setCycleCount(Animation.INDEFINITE);
hourTime.setCycleCount(Animation.INDEFINITE);
minuteTime.setCycleCount(Animation.INDEFINITE);
secondTime.setCycleCount(Animation.INDEFINITE);
digitalTime.setCycleCount(Animation.INDEFINITE);
// start the analogueClock.
digitalTime.play();
secondTime.play();
minuteTime.play();
hourTime.play();
ticksTime.play();
stage.initStyle(StageStyle.TRANSPARENT);
// add a glow effect whenever the mouse is positioned over the clock.
final Glow glow = new Glow();
analogueClock.setOnMouseEntered(new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent mouseEvent) {
analogueClock.setEffect(glow);
}
});
analogueClock.setOnMouseExited(new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent mouseEvent) {
analogueClock.setEffect(null);
}
});
// fade out the scene and shut it down when the mouse is clicked on the
// clock.
analogueClock.setOnMouseClicked(new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent mouseEvent) {
analogueClock.setMouseTransparent(true);
FadeTransition fade = new FadeTransition(Duration.seconds(1.2),
analogueClock);
fade.setOnFinished(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent actionEvent) {
stage.close();
}
});
fade.setFromValue(1);
fade.setToValue(0);
fade.play();
}
});
// layout the scene.
final VBox layout = new VBox();
layout.getChildren().addAll(analogueClock, digitalClock);
layout.setAlignment(Pos.CENTER);
final Scene scene = new Scene(layout, Color.TRANSPARENT);
scene.getStylesheets().add(
WordClock.class.getResource("Wordclock.css").toExternalForm());
stage.setScene(scene);
// allow the clock background to be used to drag the clock around.
final Delta dragDelta = new Delta();
layout.setOnMousePressed(new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent mouseEvent) {
// record a delta distance for the drag and drop operation.
dragDelta.x = stage.getX() - mouseEvent.getScreenX();
dragDelta.y = stage.getY() - mouseEvent.getScreenY();
scene.setCursor(Cursor.MOVE);
}
});
layout.setOnMouseReleased(new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent mouseEvent) {
scene.setCursor(Cursor.HAND);
}
});
layout.setOnMouseDragged(new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent mouseEvent) {
stage.setX(mouseEvent.getScreenX() + dragDelta.x);
stage.setY(mouseEvent.getScreenY() + dragDelta.y);
}
});
layout.setOnMouseEntered(new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent mouseEvent) {
if (!mouseEvent.isPrimaryButtonDown()) {
scene.setCursor(Cursor.HAND);
}
}
});
layout.setOnMouseExited(new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent mouseEvent) {
if (!mouseEvent.isPrimaryButtonDown()) {
scene.setCursor(Cursor.DEFAULT);
}
}
});
// show the scene.
stage.show();
}
private String pad(int fieldWidth, char padChar, String s) {
StringBuilder sb = new StringBuilder();
for (int i = s.length(); i < fieldWidth; i++) {
sb.append(padChar);
}
sb.append(s);
return sb.toString();
}
static String getResource(String path) {
return WordClock.class.getResource(path).toExternalForm();
}
// records relative x and y co-ordinates.
class Delta {
double x, y;
}
}