implement all TODOs

.idea/vcs.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

pom.xml

@@ -36,7 +36,12 @@
       <artifactId>junit-jupiter-engine</artifactId>
       <version>${junit.version}</version>
       <scope>test</scope>
-    </dependency>  </dependencies>
+    </dependency>
+    <dependency>
+      <groupId>org.openjfx</groupId>
+      <artifactId>javafx-media</artifactId>
+      <version>20</version> </dependency>
+  </dependencies>
 
   <build>
     <plugins>

src/main/java/sbu/javafx/Launcher.java

@@ -4,5 +4,7 @@ import javafx.application.Application;
 
 public class Launcher{
     public static void main(String[] args) {
+        Application.launch(MusicApp.class);
+    }
         // TODO: Launch the JavaFX application by calling Application.launch(Main.class)    }
 }

src/main/java/sbu/javafx/MusicApp.java

@@ -1,6 +1,7 @@
 package sbu.javafx;
 
 import javafx.application.Application;
+import javafx.fxml.FXML;
 import javafx.fxml.FXMLLoader;
 import javafx.scene.Scene;
 import javafx.stage.Stage;
@@ -8,7 +9,6 @@ import javafx.stage.Stage;
 import java.io.IOException;
 
 public class MusicApp extends Application {
-
     @Override
     public void start(Stage stage) throws IOException
     {

src/main/java/sbu/javafx/MusicController.java

@@ -1,31 +1,127 @@
 package sbu.javafx;
 
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
 import javafx.fxml.FXML;
 import javafx.event.ActionEvent;
+import javafx.scene.Scene;
+import javafx.scene.control.Button;
 import javafx.scene.control.Label;
+import javafx.scene.control.ListView;
 import javafx.scene.input.MouseEvent;
+import javafx.scene.layout.HBox;
 import javafx.scene.layout.VBox;
+import javafx.scene.media.Media;
+import javafx.scene.media.MediaPlayer;
+import javafx.stage.Stage;
+
+import java.io.File;
 
 public class MusicController {
 
     // TODO: Define your UI components using the @FXML annotation.
-
+    @FXML private Label nowPlayingLabel;
+    private Button currentlyPlayingButton = null;
+    private ObservableList<String> playlistItems = FXCollections.observableArrayList();
+    private ListView<String> playlistView = new ListView<>(playlistItems);
+    private Stage playlistStage = null;
+    private MediaPlayer mediaPlayer = null;
     //TODO: Implement the logic to play a song. This method should update the UI to show which song is currently playing.
 
     @FXML
-    public void handlePlayAction() {
+    public void handlePlayAction(ActionEvent event) {
         //Update labels, change button icons, etc.
+        Button clickedButton = (Button) event.getSource();
+        if(clickedButton == currentlyPlayingButton)
+        {
+            currentlyPlayingButton.setText("Play");
+            clickedButton.setStyle("-fx-background-color: #3498db; -fx-text-fill: white; -fx-background-radius: 3;"); // برگشت به رنگ آبی
+            nowPlayingLabel.setText("-");
+            currentlyPlayingButton = null;
+            if (mediaPlayer != null) {
+                mediaPlayer.stop();
+            }
+        }
+        else
+        {
+            if (currentlyPlayingButton != null)
+            {
+                currentlyPlayingButton.setText("Play");
+                currentlyPlayingButton.setStyle("-fx-background-color: #3498db; -fx-text-fill: white; -fx-background-radius: 3;");
+                if (mediaPlayer != null) {
+                    mediaPlayer.stop();
+                }
+            }
+
+            clickedButton.setText("Stop");
+            clickedButton.setStyle("-fx-background-color: #e74c3c; -fx-text-fill: white; -fx-background-radius: 3;");
+            currentlyPlayingButton = clickedButton;
+            HBox hBox = (HBox) clickedButton.getParent();
+            String title = ((Label)hBox.getChildren().getFirst()).getText();
+            nowPlayingLabel.setText(title);
+            try {
+                String fileURI = getMusicFilePath(title); // گرفتن آدرس استاندارد فایل
+                Media media = new Media(fileURI);            // گذاشتن نوار کاست
+                mediaPlayer = new MediaPlayer(media);        // قراردادن در دستگاه پخش
+                mediaPlayer.play();                          // 🚀 شروع پخش!
+            } catch (Exception e) {
+                System.out.println("Error playing file: " + e.getMessage());
+                // اگر فایلی پیدا نشد یا خطایی رخ داد، این‌جا پرینت می‌شود تا برنامه کرش نکند
+            }
+        }
+
     }
 
     //TODO: Logic to add a specific song to the user's playlist.
-
-    public void addToPlaylist(String songName) {
+    @FXML
+    public void addToPlaylist(ActionEvent event) {
         //Add the song to a list or update a ListView.
+        Button clickedButton = (Button) event.getSource();
+        HBox row = (HBox) clickedButton.getParent();
+        Label songTitleLabel = (Label) row.getChildren().getFirst();
+        String songName = songTitleLabel.getText();
+        if(!playlistItems.contains(songName))
+        {
+            playlistItems.add(songName);
+        }
     }
 
     // TODO:This method should open a new window or change the current scene  to display the "Playlist" page.
-
+    @FXML
     public void openPlaylistWindow() {
         //Create a new stage and show the playlist UI.
+        if (playlistStage != null && playlistStage.isShowing())
+        {
+            playlistStage.toFront();
+            return;
         }
+        playlistStage = new Stage();
+        playlistStage.setTitle("My Playlist");
+        playlistView.setStyle(
+                "-fx-background-color: #ffffff; " +
+                        "-fx-background-radius: 5; " +
+                        "-fx-border-color: #dcdde1; " +
+                        "-fx-border-width: 1; " +
+                        "-fx-font-size: 14px; " +
+                        "-fx-padding: 5;"
+        );
+        VBox root = new VBox(playlistView);
+        root.setStyle("-fx-background-color: #f5f5f5; -fx-padding: 15;");
+        VBox.setVgrow(playlistView, javafx.scene.layout.Priority.ALWAYS);
+        Scene scene = new Scene(root, 300, 400);
+        playlistStage.setScene(scene);
+        playlistStage.show();
+    }
+
+    private String getMusicFilePath(String songName) {
+        String fileName = switch (songName) {
+            case "Jana" -> "src\\main\\resources\\music\\Jana.mp3";
+            case "Jadoo" -> "src\\main\\resources\\music\\@RapRelease - Jadoo - Pidar.mp3";
+            case "we never dated" -> "src\\main\\resources\\music\\we never dated.mp3";
+            default -> "";
+        };
+        File file = new File(fileName);
+        return file.toURI().toString();
+    }
+
 }

src/main/resources/sbu/javafx/App-view.fxml

@@ -1,8 +1,76 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
 <?import javafx.scene.layout.VBox?>
-<VBox xmlns="http://javafx.com/fxml" alignment="CENTER" spacing="10">
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.Region?>
 
-    <!-- TODO: Add your code here! -->
+<!--take care about fx:ids-->
+
+<VBox spacing="15" xmlns="http://javafx.com/javafx/20" xmlns:fx="http://javafx.com/fxml/1" fx:controller="sbu.javafx.MusicController" style="-fx-background-color: #f5f5f5;" alignment="CENTER">
+
+    <padding>
+        <Insets top="20" right="20" bottom="0" left="20"/>
+    </padding>
+
+    <!-- عنوان -->
+    <Label text="Music Player" style="-fx-font-size: 24px; -fx-font-weight: bold; -fx-text-fill: #2c3e50;"/>
+
+    <!-- جدول آهنگ‌ها -->
+    <VBox spacing="5" style="-fx-background-color: white; -fx-border-color: #dcdde1; -fx-border-width: 1;">
+        <padding>
+            <Insets top="10" right="10" bottom="10" left="10"/>
+        </padding>
+
+        <!-- ردیف عنوان -->
+        <HBox spacing="50" style="-fx-padding: 10 0 10 0; -fx-border-width: 0 0 1 0; -fx-border-color: #bdc3c7;" alignment="CENTER">
+            <Label text="Song Title" minWidth="150" style="-fx-font-weight: bold;"/>
+            <Label text="Artist Name" minWidth="150" style="-fx-font-weight: bold;"/>
+            <Label text="Duration" minWidth="60" style="-fx-font-weight: bold;"/>
+            <Label text="Add to Playlist" minWidth="120" style="-fx-font-weight: bold;"/>
+            <Label text="Play" minWidth="50" style="-fx-font-weight: bold;"/>
+        </HBox>
+
+        <!-- آهنگ 1 -->
+        <HBox spacing="50" style="-fx-padding: 10 0 10 0; -fx-border-width: 0 0 1 0; -fx-border-color: #bdc3c7;" alignment="CENTER">
+            <Label text="Jana" minWidth="150"/>
+            <Label text="SaM" minWidth="150"/>
+            <Label text="04:16" minWidth="60"/>
+            <Button text="Add to Playlist" minWidth="120" onAction="#addToPlaylist" style="-fx-background-color: #27ae60; -fx-text-fill: white; -fx-background-radius: 3;"/>
+            <Button text="Play" minWidth="50" onAction="#handlePlayAction" style="-fx-background-color: #3498db; -fx-text-fill: white; -fx-background-radius: 3;"/>
+        </HBox>
+
+        <!-- آهنگ 2 -->
+        <HBox spacing="50" style="-fx-padding: 10 0 10 0; -fx-border-width: 0 0 1 0; -fx-border-color: #bdc3c7;" alignment="CENTER">
+            <Label text="we never dated" minWidth="150"/>
+            <Label text="sombr" minWidth="150"/>
+            <Label text="03:16" minWidth="60"/>
+            <Button text="Add to Playlist" onAction="#addToPlaylist" minWidth="120" style="-fx-background-color: #27ae60; -fx-text-fill: white; -fx-background-radius: 3;"/>
+            <Button text="Play" minWidth="50" onAction="#handlePlayAction" style="-fx-background-color: #3498db; -fx-text-fill: white; -fx-background-radius: 3;"/>
+        </HBox>
+
+        <!-- آهنگ 3 -->
+        <HBox spacing="50" style="-fx-padding: 10 0 10 0;" alignment="CENTER">
+            <Label text="Jadoo" minWidth="150"/>
+            <Label text="Pidar" minWidth="150"/>
+            <Label text="03:30" minWidth="60"/>
+            <Button text="Add to Playlist" minWidth="120" onAction="#addToPlaylist" style="-fx-background-color: #27ae60; -fx-text-fill: white; -fx-background-radius: 3;"/>
+            <Button text="Play" minWidth="50" onAction="#handlePlayAction" style="-fx-background-color: #3498db; -fx-text-fill: white; -fx-background-radius: 3;"/>
+        </HBox>
+    </VBox>
+
+    <!-- بخش پایین: Now Playing و Open Playlist -->
+    <HBox alignment="CENTER_LEFT" style="-fx-background-color: #ecf0f1; -fx-padding: 15; -fx-background-radius: 8;">
+        <HBox spacing="10">
+            <Label text="🎵 Now Playing:" style="-fx-font-weight: bold;"/>
+            <Label fx:id="nowPlayingLabel" text="-" style="-fx-text-fill: #3498db;"/>
+        </HBox>
+        <Region HBox.hgrow="ALWAYS"/>
+        <Button text="Open Playlist" onAction="#openPlaylistWindow" style="-fx-background-color: #3498db; -fx-text-fill: white; -fx-font-weight: bold; -fx-padding: 8 20; -fx-background-radius: 5;"/>
+    </HBox>
+
+    <!--learn and use view lsit-->
 
 </VBox>