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package ensemble.samples.animation.timeline;
import javafx.animation.KeyFrame;
import javafx.animation.KeyValue;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.beans.InvalidationListener;
import javafx.beans.Observable;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.CheckBox;
import javafx.scene.effect.Lighting;
import javafx.scene.layout.HBox;
import javafx.scene.layout.Pane;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.text.Text;
import javafx.scene.text.TextBoundsType;
import javafx.stage.Stage;
import javafx.util.Duration;
/**
* A sample that demonstrates the basics of timeline creation.
*
* @sampleName Timeline
* @preview preview.png
* @see javafx.animation.KeyFrame
* @see javafx.animation.KeyValue
* @see javafx.animation.Timeline
* @see javafx.util.Duration
* @related /Animation/Timeline Events
* @embedded
*/
public class TimelineApp extends Application {
private Timeline timeline;
public Parent createContent() {
Pane root = new Pane();
root.setPrefSize(253, 100);
root.setMinSize(Pane.USE_PREF_SIZE, Pane.USE_PREF_SIZE);
root.setMaxSize(Pane.USE_PREF_SIZE, Pane.USE_PREF_SIZE);
//create a circle
final Circle circle = new Circle(25, 25, 20, Color.web("1c89f4"));
circle.setEffect(new Lighting());
//create a timeline for moving the circle
timeline = new Timeline();
timeline.setCycleCount(Timeline.INDEFINITE);
timeline.setAutoReverse(true);
//one can start/pause/stop/play animation by
//timeline.play();
//timeline.pause();
//timeline.stop();
//timeline.playFromStart();
//add the following keyframes to the timeline
timeline.getKeyFrames().addAll(new KeyFrame(Duration.ZERO,
new KeyValue(circle.translateXProperty(), 0)),
new KeyFrame(new Duration(4000),
new KeyValue(circle.translateXProperty(), 205)));
root.getChildren().addAll(createNavigation(), circle);
return root;
}
private VBox createNavigation() {
//method for creating navigation panel
//start/stop/pause/play from start buttons
Button buttonStart = new Button("Start");
buttonStart.setOnAction((ActionEvent t) -> {
//start timeline
timeline.play();
});
Button buttonStop = new Button("Stop");
buttonStop.setOnAction((ActionEvent t) -> {
//stop timeline
timeline.stop();
});
Button buttonPlayFromStart = new Button("Restart");
buttonPlayFromStart.setOnAction((ActionEvent t) -> {
//play from start
timeline.playFromStart();
});
Button buttonPause = new Button("Pause");
buttonPause.setOnAction((ActionEvent t) -> {
//pause from start
timeline.pause();
});
//text showing current time
final Text currentRateText = new Text("Current time: 0 ms");
currentRateText.setBoundsType(TextBoundsType.VISUAL);
timeline.currentTimeProperty().addListener((Observable ov) -> {
int time = (int) timeline.getCurrentTime().toMillis();
currentRateText.setText("Current time: " + time + " ms");
});
//Autoreverse checkbox
final CheckBox checkBoxAutoReverse = new CheckBox("Auto Reverse");
checkBoxAutoReverse.setSelected(true);
checkBoxAutoReverse.selectedProperty().addListener((Observable ov) -> {
timeline.setAutoReverse(checkBoxAutoReverse.isSelected());
});
//add all navigation to layout
HBox hBox1 = new HBox(10);
hBox1.setPadding(new Insets(0, 0, 0, 5));
hBox1.getChildren().addAll(buttonStart, buttonPause, buttonStop, buttonPlayFromStart);
hBox1.setAlignment(Pos.CENTER_LEFT);
HBox hBox2 = new HBox(10);
hBox2.setPadding(new Insets(0, 0, 0, 5));
hBox2.getChildren().addAll(checkBoxAutoReverse, currentRateText);
hBox2.setAlignment(Pos.CENTER_LEFT);
VBox vBox = new VBox(10);
vBox.setLayoutY(60);
vBox.getChildren().addAll(hBox1, hBox2);
return vBox;
}
@Override
public void start(Stage primaryStage) throws Exception {
primaryStage.setResizable(false);
primaryStage.setScene(new Scene(createContent()));
primaryStage.show();
}
/**
* Java main for when running without JavaFX launcher
* @param args command line arguments
*/
public static void main(String[] args) {
launch(args);
}
}
