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package ensemble.samples.scenegraph.events.multitouch;

import javafx.scene.Node;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.Region;
import javafx.scene.shape.Rectangle;

public class MultiTouchPane extends Region {

    private ImageView postView;
    private static Image[] img = new Image[3];
    private Rectangle clipRect;

    public MultiTouchPane() {
        clipRect = new Rectangle();
        clipRect.setSmooth(false);
        setClip(clipRect);

        final String WARNING = "/ensemble/samples/shared-resources/warning.png";
        final String ANIMAL1 = "/ensemble/samples/shared-resources/Animal1.jpg";
        final String ANIMAL2 = "/ensemble/samples/shared-resources/Animal2.jpg";
        final String ANIMAL3 = "/ensemble/samples/shared-resources/Animal3.jpg";
        Image post = new Image(getClass().getResourceAsStream(WARNING));
        postView = new ImageView(post);

        img[0] = new Image(getClass().getResourceAsStream(ANIMAL1));
        img[1] = new Image(getClass().getResourceAsStream(ANIMAL2));
        img[2] = new Image(getClass().getResourceAsStream(ANIMAL3));

        getChildren().add(postView);

        for (int i = 0; i < img.length; i++) {
            MultiTouchImageView iv = new MultiTouchImageView(img[i]);
            getChildren().add(iv);
        }
    }

    @Override
    protected void layoutChildren() {
        final double w = getWidth();
        final double h = getHeight();
        clipRect.setWidth(w);
        clipRect.setHeight(h);
        for (Node child : getChildren()) {
            if (child == postView) {
                postView.relocate(w - 15 - postView.getLayoutBounds().getWidth(), 0);
            } else if (child.getLayoutX() == 0 && child.getLayoutY() == 0) {
                final double iw = child.getBoundsInParent().getWidth();
                final double ih = child.getBoundsInParent().getHeight();
                child.setLayoutX((w - iw) * Math.random() + 100);
                child.setLayoutY((h - ih) * Math.random() + 100);
            }
        }
    }
}