Skip to content

Instantly share code, notes, and snippets.

@jumar

jumar/TaskBasedSplash.java

Forked from jewelsea/TaskBasedSplash.java
Last active August 29, 2015 14:08
Show Gist options

  • Select an option

    Learn more about clone URLs
  • Save jumar/3dc25bbf8025e21a7d38 to your computer and use it in GitHub Desktop.

Select an option

Learn more about clone URLs
Save jumar/3dc25bbf8025e21a7d38 to your computer and use it in GitHub Desktop.
Download ZIP

Revisions

  1. @jewelsea jewelsea created this gist Apr 4, 2012.
    123 changes: 123 additions & 0 deletions TaskBasedSplash.java
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,123 @@
    import javafx.animation.FadeTransition;
    import javafx.application.Application;
    import javafx.beans.property.ReadOnlyObjectProperty;
    import javafx.beans.value.ChangeListener;
    import javafx.beans.value.ObservableValue;
    import javafx.collections.FXCollections;
    import javafx.collections.ObservableList;
    import javafx.concurrent.Task;
    import javafx.concurrent.Worker;
    import javafx.event.ActionEvent;
    import javafx.event.EventHandler;
    import javafx.geometry.Pos;
    import javafx.geometry.Rectangle2D;
    import javafx.scene.Scene;
    import javafx.scene.control.Label;
    import javafx.scene.control.ListView;
    import javafx.scene.control.ProgressBar;
    import javafx.scene.effect.DropShadow;
    import javafx.scene.image.Image;
    import javafx.scene.image.ImageView;
    import javafx.scene.layout.Pane;
    import javafx.scene.layout.VBox;
    import javafx.stage.Screen;
    import javafx.stage.Stage;
    import javafx.stage.StageStyle;
    import javafx.util.Duration;

    /** Example of displaying a splash page for a standalone JavaFX application */
    public class TaskBasedSplash extends Application {
    private Pane splashLayout;
    private ProgressBar loadProgress;
    private Label progressText;
    private Stage mainStage;
    private static final int SPLASH_WIDTH = 676;
    private static final int SPLASH_HEIGHT = 227;

    public static void main(String[] args) throws Exception { launch(args); }

    @Override public void init() {
    ImageView splash = new ImageView(new Image("http://fxexperience.com/wp-content/uploads/2010/06/logo.png"));
    loadProgress = new ProgressBar();
    loadProgress.setPrefWidth(SPLASH_WIDTH - 20);
    progressText = new Label("Will find friends for peanuts . . .");
    splashLayout = new VBox();
    splashLayout.getChildren().addAll(splash, loadProgress, progressText);
    progressText.setAlignment(Pos.CENTER);
    splashLayout.setStyle("-fx-padding: 5; -fx-background-color: cornsilk; -fx-border-width:5; -fx-border-color: linear-gradient(to bottom, chocolate, derive(chocolate, 50%));");
    splashLayout.setEffect(new DropShadow());
    }

    @Override public void start(final Stage initStage) throws Exception {
    final Task<ObservableList<String>> friendTask = new Task() {
    @Override protected ObservableList<String> call() throws InterruptedException {
    ObservableList<String> foundFriends =
    FXCollections.<String>observableArrayList();
    ObservableList<String> availableFriends =
    FXCollections.observableArrayList("Fili", "Kili", "Oin", "Gloin", "Thorin", "Dwalin", "Balin", "Bifur", "Bofur", "Bombur", "Dori", "Nori", "Ori");

    updateMessage("Finding friends . . .");
    for (int i = 0; i < availableFriends.size(); i++) {
    Thread.sleep(400);
    updateProgress(i+1, availableFriends.size());
    String nextFriend = availableFriends.get(i);
    foundFriends.add(nextFriend);
    updateMessage("Finding friends . . . found " + nextFriend);
    }
    Thread.sleep(400);
    updateMessage("All friends found.");

    return foundFriends;
    }
    };

    showSplash(initStage, friendTask);
    new Thread(friendTask).start();
    showMainStage(friendTask.valueProperty());
    }

    private void showMainStage(ReadOnlyObjectProperty<ObservableList<String>> friends) {
    mainStage = new Stage(StageStyle.DECORATED);
    mainStage.setTitle("My Friends");
    mainStage.setIconified(true);
    mainStage.getIcons().add(new Image("http://cdn1.iconfinder.com/data/icons/Copenhagen/PNG/32/people.png"));

    final ListView<String> peopleView = new ListView<>();
    peopleView.itemsProperty().bind(friends);

    mainStage.setScene(new Scene(peopleView));
    mainStage.show();
    }

    private void showSplash(final Stage initStage, Task task) {
    progressText.textProperty().bind(task.messageProperty());
    loadProgress.progressProperty().bind(task.progressProperty());
    task.stateProperty().addListener(new ChangeListener<Worker.State>() {
    @Override public void changed(ObservableValue<? extends Worker.State> observableValue, Worker.State oldState, Worker.State newState) {
    if (newState == Worker.State.SUCCEEDED) {
    loadProgress.progressProperty().unbind();
    loadProgress.setProgress(1);
    mainStage.setIconified(false);
    initStage.toFront();
    FadeTransition fadeSplash = new FadeTransition(Duration.seconds(1.2), splashLayout);
    fadeSplash.setFromValue(1.0);
    fadeSplash.setToValue(0.0);
    fadeSplash.setOnFinished(new EventHandler<ActionEvent>() {
    @Override public void handle(ActionEvent actionEvent) {
    initStage.hide();
    }
    });
    fadeSplash.play();
    } // todo add code to gracefully handle other task states.
    }
    });

    Scene splashScene = new Scene(splashLayout);
    initStage.initStyle(StageStyle.UNDECORATED);
    final Rectangle2D bounds = Screen.getPrimary().getBounds();
    initStage.setScene(splashScene);
    initStage.setX(bounds.getMinX() + bounds.getWidth() / 2 - SPLASH_WIDTH / 2);
    initStage.setY(bounds.getMinY() + bounds.getHeight() / 2 - SPLASH_HEIGHT / 2);
    initStage.show();
    }
    }