content

package sample;

import javafx.animation.AnimationTimer;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Group;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.layout.AnchorPane;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
import javafx.application.Application;
import javafx.beans.InvalidationListener;
import javafx.beans.Observable;
import javafx.beans.property.DoubleProperty;
import javafx.beans.property.SimpleDoubleProperty;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.EventHandler;
import javafx.geometry.Bounds;
import javafx.scene.Scene;
import javafx.scene.control.ScrollPane;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.input.ScrollEvent;
import javafx.stage.Stage;

public class Main extends Application {

    //init
    private ImageView imageView, imageView_dot;
    private ScrollPane scrollPane;
    private DoubleProperty zoom;
    AnchorPane multiple_img = new AnchorPane();
    private double x_position = 20;
    private double xSpeed = 0.1;
    private double initialZoom = 200;

    @Override
    public void start(Stage primaryStage) {
        zoom = new SimpleDoubleProperty(initialZoom);
        InvalidationListener listener = new InvalidationListener() {
            @Override
            public void invalidated(Observable arg0) {
                System.out.println("Zoom=" + zoom.doubleValue());
                //nastavení šířky a délky pro mapový podklad = imageView
                imageView.setFitWidth(zoom.get() * 4);
                imageView.setFitHeight(zoom.get() * 3);

                //nastavení šířky a délky pro tečku = imageView
                imageView_dot.setFitWidth(zoom.get() * 2);
                imageView_dot.setFitHeight(zoom.get() * 1.5);

                //nastavení pozice obrázku nad podkladu x=10,y=10 (200/20)
                //imageView_dot.setX(imageView_dot.getX()+10);
                //imageView_dot.setY(imageView_dot.getY()+10);

                // TODO: uncomment when done with animation and figured out right equation ... maybe (only if there is ever chance that animation is stopped)
               // multiple_img.setTopAnchor(imageView_dot, zoom.get()/x_position);
              //  multiple_img.setLeftAnchor(imageView_dot, zoom.get()/x_position);
                System.out.println("Y"+imageView_dot.getY());

                System.out.println(zoom.get());
            }
        };
        zoom.addListener(listener);

        scrollPane = new ScrollPane();
        scrollPane.setPannable(true);
        scrollPane.addEventFilter(ScrollEvent.ANY,
                new EventHandler<ScrollEvent>() {
                    @Override
                    public void handle(ScrollEvent event) {
                        if (event.getDeltaY() > 0) {
                            zoom.set(zoom.get() * 1.1);
                        } else if (event.getDeltaY() < 0) {
                            if (zoom.get() > 200)
                            zoom.set(zoom.get() / 1.1);
                        }
                        event.consume();
                    }
                });
        scrollPane.viewportBoundsProperty().addListener(
                new ChangeListener<Bounds>() {
                    @Override
                    public void changed(
                            ObservableValue<? extends Bounds> bounds,
                            Bounds oldBounds, Bounds newBounds) {
                        System.out.println("oldBounds=" + oldBounds
                                + " newBounds=" + newBounds);
                    }
                });

        //mapový podklad
        imageView = new ImageView(new Image(Main.class.getResourceAsStream("img.png"))) {
            {
                setPreserveRatio(true);
            }
        };

        //podklad pro tečku
        imageView_dot = new ImageView(new Image(Main.class.getResourceAsStream("circle.jpg"))) {
            {
                setPreserveRatio(true);
            }
        };
        System.out.println("Initial zoom=" + zoom.get());
        //Pane inicializace, obsahuje oba obrázky

        multiple_img.getChildren().addAll(imageView,imageView_dot);
        multiple_img.setTopAnchor(imageView_dot, x_position);
        multiple_img.setLeftAnchor(imageView_dot, 10.0);

        //scrollPane inicializace, obsahuje multiple_img
        scrollPane.setContent(multiple_img);
        Scene scene = new Scene(scrollPane, 2880,
                1800);
        scene.setFill(Color.BLACK);
        primaryStage.setScene(scene);
        primaryStage.setResizable(false);
        primaryStage.show();

        //nastavení šířky a délky pro mapový podklad = imageView
        imageView.setFitWidth(zoom.get() * 4);
        imageView.setFitHeight(zoom.get() * 3);

        //nastavení šířky a délky pro tečku = imageView
        imageView_dot.setFitWidth(zoom.get() * 2);
        imageView_dot.setFitHeight(zoom.get() * 1.5);

        //nastavení pozice obrázku nad podkladu x=10,y=10 (200/20)
        //imageView_dot.setX(imageView.getX()+10);
        //imageView_dot.setY(imageView.getX()+10);
        System.out.println("X"+imageView_dot.getX());
        System.out.println("Y"+imageView_dot.getY());


        //nastavení pozic sliderů
        //scrollPane.setHvalue(scrollPane.getHmax());
        //scrollPane.setVvalue(scrollPane.getVmax());

        //Timer for dot movement
        AnimationTimer timer = new AnimationTimer(){
            @Override
            public void handle(long now) {
                System.out.println("moving diver right");
                x_position=x_position+xSpeed;
                // currentZoom/initZoom ==> zoom factor
                multiple_img.setTopAnchor(imageView_dot, (zoom.get()/initialZoom)*x_position);
            }
        };
        timer.start();
    }

    /**
     * @param args
     */
    public static void main(String[] args) {
        launch(args);
    }

}