package javaapplication35;

import javafx.collections.ListChangeListener.Change;
import javafx.event.EventHandler;

import javafx.beans.*;
import javafx.beans.property.*;
import javafx.application.Application;
import javafx.beans.property.BooleanProperty;
import javafx.beans.property.ObjectProperty;
import javafx.collections.FXCollections;
import javafx.collections.ListChangeListener;
import javafx.scene.*;
import javafx.stage.*;
import javafx.scene.shape.*;
import javafx.scene.paint.Color;
import javafx.scene.input.*;
import javafx.scene.image.*;
import javafx.scene.control.*;
import javafx.scene.layout.*;
import javafx.collections.ObservableList;

public class AutoSize_Test7 extends Application {

    private Scene scene;
    private ObjectProperty<String> TEXT = new SimpleObjectProperty<String>();
    private Button node1;
    private Label node3;
    private boolean toggleText = false;
    private Label label;

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

    @Override
    public void start(Stage stage) throws Exception {
        scene = new Scene(new Group(), 300, 300);
        int bizzareValue = 220;
        TEXT.setValue("Resizable");
        final BooleanProperty MANAGED = new SimpleBooleanProperty(true);
        node1 = new Button(TEXT.getValue());
        TEXT.addListener(new InvalidationListener() {

            public void invalidated(Observable vm) {
                node1.setText(TEXT.getValue());
                node3.setText(TEXT.getValue());
            }
        });
        node1.setManaged(MANAGED.getValue());
        MANAGED.addListener(new InvalidationListener() {

            public void invalidated(Observable vm) {
                node1.setManaged(MANAGED.getValue());
                node3.setManaged(MANAGED.getValue());
                label.setText((MANAGED.getValue()) ? ("Button, Label are managed\nImageView always unmanaged") : ("Button, Label are not managed\nImageView always unmanaged"));
            }
        });
        ImageView node2 = new ImageView();
        Image image = new Image(AutoSize_Test7.class.getResourceAsStream("DUKE.png"), 50.0F, 50.0F, false, false);
        node2.setImage(image);
        node2.setX(bizzareValue);
        node2.setY(bizzareValue);
        node3 = new Label(TEXT.getValue());
        node3.setManaged(MANAGED.getValue());
        MyCustomNode customNode = new MyCustomNode();
        customNode.content.clear();
        customNode.content.addAll(node1, node2, node3);
        Rectangle bgRect = new Rectangle(0.0F, 0.0F, 300, 300);
        bgRect.setFill(Color.TRANSPARENT);
        bgRect.setOpacity(0.3F);
        bgRect.setFocusTraversable(true);
        bgRect.setOnKeyPressed(new EventHandler<KeyEvent>() {

            @Override
            public void handle(KeyEvent ke) {
                if (ke.getCode().equals(KeyCode.RIGHT)) {
                    toggleText = !toggleText;
                    if (toggleText) {
                        TEXT.setValue("This is a Very Long Text");
                    } else {
                        TEXT.setValue("Resizable");
                    }
                }
                if (ke.getCode().equals(KeyCode.LEFT)) {
                    MANAGED.setValue(!MANAGED.getValue());
                }
            }
        });
        label = new Label((MANAGED.getValue()) ? ("Button, Label are managed\nImageView always unmanaged") : ("Button, Label are not managed\nImageView always unmanaged"));
        label.setTranslateY(190.0F);
        ((Group) scene.getRoot()).getChildren().clear();
        ((Group) scene.getRoot()).getChildren().addAll(bgRect, customNode, label);
        stage.setScene(scene);
        bgRect.requestFocus();
        stage.show();
    }

    static class MyCustomNode extends Parent {

        private ObservableList<Node> content = FXCollections.observableArrayList();
        HBox hbox = new HBox();

        MyCustomNode() {
            content.addListener(new ListChangeListener<Node>() {

                public void onChanged(Change<? extends Node> change) {
                    hbox.getChildren().clear();
                    hbox.getChildren().addAll(content);

                }
            });
            hbox.getChildren().clear();
            hbox.getChildren().addAll(content);
            getChildren().add(hbox);
        }
    }
}