Update PlaylistController.java

mp3app/src/main/java/com/example/mp3app/PlaylistController.java

@@ -1,11 +1,27 @@
 package com.example.mp3app;
 
+import javafx.beans.value.ChangeListener;
+import javafx.beans.value.ObservableValue;
 import javafx.fxml.FXML;
 import javafx.fxml.FXMLLoader;
+import javafx.fxml.Initializable;
+import javafx.scene.Parent;
+import javafx.scene.Scene;
+import javafx.scene.media.Media;
+import javafx.scene.media.MediaPlayer;
 import javafx.scene.control.*;
+import javafx.stage.Stage;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+import java.util.*;
+
+
+public class PlaylistController implements Initializable {
+
 
 
-public class PlaylistController {
     @FXML
     private Label welcomeText;
     @FXML
@@ -14,13 +30,55 @@ public class PlaylistController {
     private ProgressBar progressbar;
     @FXML
     private ButtonBar searchbar;
+    private Media media;
+    private MediaPlayer mediaPlayer;
+    private TimerTask task;
+    private Timer timer;
+
     @FXML
     private Button searchbutton ,homebutton , librarybutton , playlistbutton, playbutton,Pausebutton,nextbutton ,previousbutton,shufflebutton ,newplaylistbutton ,
             shuffleandplaybutton  ;
     @FXML
     private SplitPane split;
     @FXML
     private Slider volumeslider;
+    @FXML
+    private ArrayList<File> songs;
+    @FXML
+    private File directory;
+    private File[] files;
+    private int songNumber;
+    private boolean running;
+
+    @Override
+    public void initialize(URL arg0, ResourceBundle arg1){
+        songs = new ArrayList<>();
+
+        directory = new File("src/main/java/com/example/mp3app/music");
+        files = directory.listFiles();
+        if(files != null){
+            songs.addAll(Arrays.asList(files));
+        }
+
+        if (!songs.isEmpty() && songNumber < songs.size()) {
+            media = new Media(songs.get(songNumber).toURI().toString());
+            // Rest of your code related to media initialization
+        } else {
+            // Handle the case when the songs list is empty or songNumber is out of bounds
+            System.out.println("Error: No songs available or invalid songNumber");
+        }
+        mediaPlayer = new MediaPlayer(media);
+
+        volumeslider.valueProperty().addListener(new ChangeListener<Number>() {
+            @Override
+            public void changed(ObservableValue<? extends Number> observableValue, Number number, Number t1) {
+                mediaPlayer.setVolume(volumeslider.getValue() *0.01);
+            }
+        });
+
+
+    }
+
 
     @FXML
     protected void searchtrack (){
@@ -31,7 +89,7 @@ protected void tohome (){
 
     }
     @FXML
-    protected void tolibrary(){
+    protected void tolibrary() throws IOException {
 
     }
     @FXML
@@ -45,26 +103,115 @@ protected void toplaylist(){
 
     @FXML
     protected void playtrack(){
+        beginTimer();
+        mediaPlayer.play();
+        mediaPlayer.setVolume(volumeslider.getValue() *0.01);
 
     }
     @FXML
     protected void pausetrack(){
-
+        cancelTimer();
+       mediaPlayer.pause();
     }
     @FXML
     protected void nexttrack(){
+        if(songNumber < songs.size() - 1){
+            songNumber++;
+            mediaPlayer.stop();
+
+            if(running){
+                cancelTimer();
+            }
+
+            media = new Media(songs.get(songNumber).toURI().toString());
+            mediaPlayer = new MediaPlayer(media);
+
+            playtrack();
+        }
+        else{
+            songNumber = 0;
+            mediaPlayer.stop();
+
+            if(running){
+                cancelTimer();
+            }
+
+            media = new Media(songs.get(songNumber).toURI().toString());
+            mediaPlayer = new MediaPlayer(media);
+
+            playtrack();
+        }
 
     }
     @FXML
     protected void previoustrack(){
+        if(songNumber > songs.size() - 1){
+            songNumber--;
+            mediaPlayer.stop();
+
+            if(running){
+                cancelTimer();
+            }
+
+            media = new Media(songs.get(songNumber).toURI().toString());
+            mediaPlayer = new MediaPlayer(media);
+
+            playtrack();
+        }
+        else{
+            songNumber = songs.size() - 1;
+            mediaPlayer.stop();
+            if(running){
+                cancelTimer();
+            }
+
+            media = new Media(songs.get(songNumber).toURI().toString());
+            mediaPlayer = new MediaPlayer(media);
+
+            playtrack();
+        }
+
 
     }
     @FXML
     protected void shuffletrack(){
 
+        Collections.shuffle(songs);
+
     }
     @FXML
     protected void createplaylist(){
 
     }
+    @FXML
+    protected void beginTimer(){
+        timer = new Timer();
+        task = new TimerTask() {
+            @Override
+            public void run() {
+                running = true;
+                double current = mediaPlayer.getCurrentTime().toSeconds();
+                double end = media.getDuration().toSeconds();
+                progressbar.setProgress(current/end);
+
+                if(current/end == 1){
+                    cancelTimer();
+                }
+            }
+        };
+        timer.scheduleAtFixedRate(task, 0, 1000);
+
+
+    }
+    @FXML
+    protected void cancelTimer(){
+
+        running = false;
+        timer.cancel();
+
+    }
+
+
 }
+
+///BIGOUAWE EFFOUDOU NIGUEL CLARK ICTU20223125