withoutbuilder

import java.io.*;
import java.util.*;
import java.lang.*;

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.GridPane;
import javafx.scene.media.Media;
import javafx.scene.media.MediaPlayer;
import javafx.stage.FileChooser;
import javafx.stage.Stage;

public class JavaFXMediaPlayer extends Application {

    private Media media;
    private MediaPlayer player;
    private String songstatus = "DEFAULT_STATE";

    private Button
    bprev,
    bnext,
    bplaypause,
    bsongchooser;

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

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

        bprev = new Button();
        bnext = new Button();
        bplaypause = new Button();
        bsongchooser = new Button();

        bprev.setText("Previous");
        bnext.setText("Next");
        bplaypause.setText("Play");
        bsongchooser.setText("Choose Song");

        bprev.setOnAction(new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent event) {
                prev();
            }
        });

        bnext.setOnAction(new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent event) {
                next();
            }
        });

        bplaypause.setOnAction(new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent event) {
                playpause();
            }
        });

        bsongchooser.setOnAction(new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent event) {
                FileChooser fchoose = new FileChooser();

                fchoose.setTitle("Choose a song");

                //Define file filters
                FileChooser.ExtensionFilter mp3filter = new FileChooser.ExtensionFilter("MP3 Files", "*.mp3");
                FileChooser.ExtensionFilter wavfilter = new FileChooser.ExtensionFilter("WAV Files", "*.wav");
                FileChooser.ExtensionFilter aacfilter = new FileChooser.ExtensionFilter("AAC Files", "*.aac");
                FileChooser.ExtensionFilter allfilter = new FileChooser.ExtensionFilter("Audio Files", "*.wav", "*.mp3", "*.aac");

                //Apply the file filters to the choose file dialog
                fchoose.getExtensionFilters().add(mp3filter);
                fchoose.getExtensionFilters().add(wavfilter);
                fchoose.getExtensionFilters().add(aacfilter);
                fchoose.getExtensionFilters().add(allfilter);

                //Open the dialog and set the song equal to the file chosen
                File song = fchoose.showOpenDialog(stage);

                //Use the song file to construct the media and player objects
                try {
//                  StringBuilder builder = new StringBuilder(song.toURI().toString());
//                  String ssong = "";
//
//                  builder.insert(5, "//");
//                  ssong = builder.toString();

                    System.out.println(song.toURI().toString());
                    media = new Media(song.toURI().toString());
                    player = new MediaPlayer(media);
                }
                catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });

        GridPane root = new GridPane();

        root.add(bprev, 1, 1);
        root.add(bnext, 1, 2);
        root.add(bplaypause, 1, 3);
        root.add(bsongchooser, 1, 4);

        stage.setScene(new Scene(root, 750, 750));
        stage.show();
    }

    public int playpause() {

        //checks the current state of the song and reacts appropriately
        if (songstatus.equals("PLAY") || songstatus.equals("DEFAULT_STATE")) {
            if (songstatus.equals("DEFAULT_STATE")) {
                songstatus = "PLAY";
            }
            bplaypause.setText("Pause");
        }
        else if (songstatus.equals("PLAY")) {
            player.pause();
            songstatus = "PAUSE";
            bplaypause.setText("Play");
        }
        else if (songstatus.equals("STOP")) {
            player.play();
        }
        else {
            Exception e = new Exception();
            e.printStackTrace();
            songstatus.equals("ERROR");
            return 1;
        }

        return 0;
    }

    public int stopSong() {
        player.stop();
        songstatus = "STOP";
        return 0;
    }

    public int next() {
        return 0;
    }

    public int prev() {
        return 0;
    }
}