Java-Buddy

package javafx_service;
import javafx.application.Application;
import javafx.concurrent.Service;
import javafx.concurrent.Task;
import javafx.concurrent.WorkerStateEvent;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.ProgressBar;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
/**
 *
 * @web http://java-buddy.blogspot.com/
 */
public class JavaFX_Service extends Application {
 MyService myService;
 @Override
 public void start(Stage primaryStage) {
 final ProgressBar progressBar = new ProgressBar();
 final Label labelCount = new Label();
 final Label labelState = new Label();
 final Label labelSucceeded = new Label();
 myService = new MyService();
 myService.setOnSucceeded(new EventHandler<WorkerStateEvent>() {
 @Override
 public void handle(WorkerStateEvent t) {
 labelSucceeded.setText("OnSucceeded");
 }
 });
 myService.setOnRunning(new EventHandler<WorkerStateEvent>() {
 @Override
 public void handle(WorkerStateEvent t) {
 labelSucceeded.setText("OnRunning");
 }
 });
 myService.setOnFailed(new EventHandler<WorkerStateEvent>() {
 @Override
 public void handle(WorkerStateEvent t) {
 labelSucceeded.setText("OnFailed");
 }
 });
 progressBar.progressProperty().bind(myService.progressProperty());
 labelCount.textProperty().bind(myService.messageProperty());
 Button btnStart = new Button("Start Service");
 btnStart.setOnAction(new EventHandler<ActionEvent>() {
 @Override
 public void handle(ActionEvent t) {
 myService.start();
 }
 });
 Button btnReadTaskState = new Button("Read Service State");
 btnReadTaskState.setOnAction(new EventHandler<ActionEvent>() {
 @Override
 public void handle(ActionEvent t) {
 labelState.setText(myService.getState().toString());
 }
 });
 VBox vBox = new VBox();
 vBox.setPadding(new Insets(5, 5, 5, 5));
 vBox.setSpacing(5);
 vBox.getChildren().addAll(
 progressBar,
 labelCount,
 btnStart,
 btnReadTaskState,
 labelState,
 labelSucceeded);
 StackPane root = new StackPane();
 root.getChildren().add(vBox);
 Scene scene = new Scene(root, 300, 250);
 primaryStage.setTitle("java-buddy.blogspot.com");
 primaryStage.setScene(scene);
 primaryStage.show();
 }
 public static void main(String[] args) {
 launch(args);
 }
 private class MyService extends Service<Void> {
 @Override
 protected Task<Void> createTask() {
 return new Task<Void>() {
 @Override
 protected Void call() throws Exception {
 int max = 50;
 for (int i = 1; i <= max; i++) {
 if (isCancelled()) {
 break;
 }
 updateProgress(i, max);
 updateMessage(String.valueOf(i));
 Thread.sleep(100);
 }
 return null;
 }
 };
 }
 }
}

Related:
- Implement custom Properties for bind() and ChangeListener()

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