/*
 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
 */

package helloworld;

import javafx.application.Application;
import javafx.application.Launcher;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.layout.LayoutInfo;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
import javafx.beans.Bean;
import javafx.beans.event.ChangeListener;
import javafx.beans.PropertyReference;

import javafx.scene.transform.Scale;



/**
 * @author mickf
 */
public class HelloScrollPaneScaleImage extends Application {

    private static final String URL_PREFIX = "file:src/helloworld/";

    public static Image createImage(String filename, float width, float height) {
        return new Image(URL_PREFIX + filename, width, height, true, true, false, null);
    }

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        Launcher.launch(HelloScrollPaneScaleImage.class, args);
    }

    final ScrollPane sView1 = new ScrollPane();
    final Slider scaleSlider = new Slider(0.0, 2.0, 1.0);
    final CheckBox disCB = new CheckBox();
    final CheckBox btnCB = new CheckBox();
    final Scale scaleTransform = new Scale();
    private Group scaledGroup;

    @Override public void start() {
        Image image1 = createImage("duke.jpg", 200f, 200f);
        ImageView imageView1 = new ImageView();
        imageView1.setImage(image1);

        Stage stage = new Stage();
        stage.setTitle("HelloScrollPaneScale");
        stage.setWidth(320);
        stage.setHeight(400);
        Scene scene = new Scene(new Group());
        scene.setFill(Color.CHOCOLATE);

        Group root = (Group)scene.getRoot();

        scaleSlider.setVertical(false);
        scaleSlider.setLayoutX(50);
        scaleSlider.setLayoutY(280);
        scaleSlider.setValue(1.0);
        scaleSlider.setMajorTickUnit(0.25);
        scaleSlider.setMinorTickCount(5);
        scaleSlider.setShowTickLabels(true);
        scaleSlider.setShowTickMarks(true);
        ChangeListener scaleListener = new ChangeListener() {
           @Override
               public void handle(Bean bean, PropertyReference<?> pr) {
               scaleTransform.setX(scaleSlider.getValue());
               scaleTransform.setY(scaleSlider.getValue());
           }
            };
        scaleSlider.addChangeListener(Slider.VALUE, scaleListener);
        root.getChildren().add(scaleSlider);


        scaleTransform.setX(scaleSlider.getValue());
        scaleTransform.setY(scaleSlider.getValue());

        scaledGroup = new Group();
        scaledGroup.getChildren().clear();
        scaledGroup.getChildren().addAll(imageView1);
        scaledGroup.getTransforms().addAll(scaleTransform);


        sView1.setLayoutInfo(new LayoutInfo(120, 120));
        sView1.setNode(scaledGroup);
        sView1.setPannable(true);
        sView1.setLayoutX(10);
        sView1.setLayoutY(5);
        sView1.setBlocksMouse(false);

        root.getChildren().add(sView1);

        stage.setScene(scene);
        stage.setVisible(true);
    }
}