/*
 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package hello;

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Slider;
import javafx.scene.layout.HBox;
import javafx.scene.layout.Pane;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;

public class HelloPriorityOrder extends Application {

    private boolean added = false;

    @Override
    public void start(Stage stage) throws Exception {
        stage.setTitle("Hello PriorityOrder");

        final Slider slider = new Slider(-2, 2, 0);
        slider.setDisable(true);

        final Rectangle wheatRect = new Rectangle(150, 150, Color.WHEAT);
        wheatRect.setId("Wheat");
        wheatRect.setOnMousePressed(e -> System.out.println("Mouse Pressed: Wheat"/* + e */));
        wheatRect.relocate(50, 30);
        wheatRect.priorityOrderProperty().bind(slider.valueProperty());

        final Pane rectsPane = new Pane();
        final Rectangle redRect = new Rectangle(150, 150, Color.RED);
        redRect.setId("Red");
        redRect.setOnMousePressed(e -> System.out.println("Mouse Pressed: Red"/* + e */));
        redRect.setPriorityOrder(0);
        redRect.relocate(20, 10);
        final Rectangle greenRect = new Rectangle(150, 150, Color.GREEN);
        greenRect.setId("Green");
        greenRect.setOnMousePressed(e -> System.out.println("Mouse Pressed: Green"/* + e */));
        // Test styling
        greenRect.setStyle("-fx-priority-order: -1;");
        greenRect.relocate(100, 50);
        final Rectangle blueRect = new Rectangle(150, 150, Color.BLUE);
        blueRect.setId("Blue");
        blueRect.setOnMousePressed(e -> System.out.println("Mouse Pressed: Blue"/* + e */));
        blueRect.setPriorityOrder(1);
        blueRect.relocate(60, 100);

        rectsPane.getChildren().addAll(redRect, greenRect, blueRect);

        final Pane topPane = new Pane();
        final HBox rootPane = new HBox(10);


        final Button removeBtn = new Button();
        final Button addBtn = new Button();
        addBtn.setText("Add");
        addBtn.setOnAction((javafx.event.ActionEvent event) -> {
            if (!added) {
                rectsPane.getChildren().add(wheatRect);
                slider.setDisable(false);
                removeBtn.setDisable(false);
                addBtn.setDisable(true);
                added = true;
            }
        });

        removeBtn.setText("Remove");
        removeBtn.setDisable(true);
        removeBtn.setOnAction((javafx.event.ActionEvent event) -> {
            if (added) {
                rectsPane.getChildren().remove(wheatRect);
                slider.setDisable(true);
                removeBtn.setDisable(true);
                addBtn.setDisable(false);
                added = false;
            }
        });

        VBox buttonsPane = new VBox(10);

        // This set of btns is to prove that priorityOrder has no impact on
        // layout and focus traversal order.
        Button btn0 = new Button("Button 0");
        btn0.setPriorityOrder(-1);
        Button btn1 = new Button("Button 1");
        btn1.setPriorityOrder(1);
        Button btn2 = new Button("Button 2");
        btn2.setPriorityOrder(0);

        buttonsPane.getChildren().addAll(addBtn, removeBtn, slider, btn0, btn1, btn2);
        rootPane.getChildren().addAll(buttonsPane, rectsPane);
        Scene scene = new Scene(rootPane);

        rectsPane.setStyle("-fx-border-color: RED;");

        stage.setScene(scene);
        stage.show();
    }

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

}