Main.java Source code

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/*
 * Copyright (c) 2011, Pro JavaFX Authors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. Neither the name of JFXtras nor the names of its contributors may be used
 *    to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * Metronome1Main.fx - A simple example of animation using a Timeline
 *
 *  Developed 2011 by James L. Weaver jim.weaver [at] javafxpert.com
 *  as a JavaFX SDK 2.0 example for the Pro JavaFX book.
 */
//package projavafx.metronome1.ui;

import javafx.animation.Animation;
import javafx.animation.Interpolator;
import javafx.animation.KeyFrame;
import javafx.animation.KeyValue;
import javafx.animation.Timeline;
import javafx.animation.TimelineBuilder;
import javafx.application.Application;
import javafx.beans.property.DoubleProperty;
import javafx.beans.property.SimpleDoubleProperty;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.GroupBuilder;
import javafx.scene.Scene;
import javafx.scene.SceneBuilder;
import javafx.scene.control.Button;
import javafx.scene.control.ButtonBuilder;
import javafx.scene.layout.HBoxBuilder;
import javafx.scene.paint.Color;
import javafx.scene.shape.Line;
import javafx.scene.shape.LineBuilder;
import javafx.stage.Stage;
import javafx.util.Duration;

public class Main extends Application {
    DoubleProperty startXVal = new SimpleDoubleProperty(100.0);

    Button startButton;
    Button pauseButton;
    Button resumeButton;
    Button stopButton;
    Line line;

    Timeline anim = TimelineBuilder.create().autoReverse(true)
            .keyFrames(new KeyFrame(new Duration(0.0), new KeyValue(startXVal, 100.0)),
                    new KeyFrame(new Duration(1000.0), new KeyValue(startXVal, 300.0, Interpolator.LINEAR)))
            .cycleCount(Timeline.INDEFINITE).build();

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

    @Override
    public void start(Stage stage) {
        Scene scene = SceneBuilder.create().width(400).height(500).root(GroupBuilder.create().children(
                line = LineBuilder.create().startY(50).endX(200).endY(400).strokeWidth(4).stroke(Color.BLUE)
                        .build(),
                HBoxBuilder.create().layoutX(60).layoutY(420).spacing(10).children(startButton = ButtonBuilder
                        .create().text("Start").onAction(new EventHandler<ActionEvent>() {
                            @Override
                            public void handle(ActionEvent e) {
                                anim.playFromStart();
                            }
                        }).build(), pauseButton = ButtonBuilder.create().text("Pause")
                                .onAction(new EventHandler<ActionEvent>() {
                                    @Override
                                    public void handle(ActionEvent e) {
                                        anim.pause();
                                    }
                                }).build(),
                        resumeButton = ButtonBuilder.create().text("Resume")
                                .onAction(new EventHandler<ActionEvent>() {
                                    @Override
                                    public void handle(ActionEvent e) {
                                        anim.play();
                                    }
                                }).build(),
                        stopButton = ButtonBuilder.create().text("Stop").onAction(new EventHandler<ActionEvent>() {
                            @Override
                            public void handle(ActionEvent e) {
                                anim.stop();
                            }
                        }).build()).build())
                .build()).build();

        line.startXProperty().bind(startXVal);
        startButton.disableProperty().bind(anim.statusProperty().isNotEqualTo(Animation.Status.STOPPED));
        pauseButton.disableProperty().bind(anim.statusProperty().isNotEqualTo(Animation.Status.RUNNING));
        resumeButton.disableProperty().bind(anim.statusProperty().isNotEqualTo(Animation.Status.PAUSED));
        stopButton.disableProperty().bind(anim.statusProperty().isEqualTo(Animation.Status.STOPPED));

        stage.setScene(scene);
        stage.setTitle("Metronome 1");
        stage.show();
    }
}