Complete fxml & Cotroller class

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

@@ -2,30 +2,99 @@ package sbu.javafx;
 
 import javafx.fxml.FXML;
 import javafx.event.ActionEvent;
+import javafx.fxml.FXMLLoader;
+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.VBox;
+import javafx.stage.Stage;
+
+import java.io.IOException;
+import java.util.ArrayList;
 
 public class MusicController {
 
     // TODO: Define your UI components using the @FXML annotation.
+    @FXML private ListView<String> lvSongs;
+    @FXML private Label lblStatus;
+
+    private ArrayList<String> playlist = new ArrayList<>();
+
+    private String[] songsArray = {"Arcade                          Duncan Laurence           3.07",
+                                   "How i love you             Engelbert                        4.20",
+                                   "Memmories                  Conan Gray                    4.09",
+                                   "Night Changes             One Direction                 3.47",
+                                   "Careless Whisper         George Michael              5.00"
+    };
+
+    @FXML public void initialize() { lvSongs.getItems().setAll(songsArray); }
 
     //TODO: Implement the logic to play a song. This method should update the UI to show which song is currently playing.
 
+    public String songName(int a)
+    {
+        String songName = "";
+        if (a == 0) songName = "Arcade";
+        else if (a == 1) songName = "How i love you";
+        else if (a == 2) songName = "Memmories";
+        else if (a == 3) songName = "Night Changes";
+        else songName = "Careless Whisper";
+
+        return songName;
+    }
+
     @FXML
-    public void handlePlayAction() {
+    public void handlePlayAction()
-        //Update labels, change button icons, etc.
+    {
+        String selectedSong = lvSongs.getSelectionModel().getSelectedItem();
+        if (selectedSong == null)
+        {
+            lblStatus.setText("Please choose a song");
+            return;
+        }
+
+        lblStatus.setText(" is playing : " + songName(lvSongs.getSelectionModel().getSelectedIndex()));
     }
 
     //TODO: Logic to add a specific song to the user's playlist.
 
-    public void addToPlaylist(String songName) {
+    public void addToPlaylist()
-        //Add the song to a list or update a ListView.
+    {
+        String selectedSong = lvSongs.getSelectionModel().getSelectedItem();
+        if (selectedSong == null)
+        {
+            lblStatus.setText("Please choose a song");
+            return;
+        }
+
+        if (!playlist.contains(selectedSong))
+        {
+            playlist.add(selectedSong);
+            lblStatus.setText(songName(lvSongs.getSelectionModel().getSelectedIndex()) + " added to playList");
+        }
+        else lblStatus.setText(songName(lvSongs.getSelectionModel().getSelectedIndex()) + " is already exists");
     }
 
     // TODO:This method should open a new window or change the current scene  to display the "Playlist" page.
 
-    public void openPlaylistWindow() {
+    public void openPlaylistWindow()
-        //Create a new stage and show the playlist UI.
+    {
+        FXMLLoader loader = new FXMLLoader(getClass().getResource("Playlist-view.fxml"));
+        Scene scene = null;
+        try {
+            scene = new Scene(loader.load());
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+
+        PlayListController controller = loader.getController();
+        controller.setPlaylist(playlist);
+
+        Stage stage = new Stage();
+        stage.setTitle("Playlist");
+        stage.setScene(scene);
+        stage.show();
     }
-}
+}

src/main/java/sbu/javafx/PlayListController.java

@@ -0,0 +1,14 @@
+package sbu.javafx;
+
+import java.util.ArrayList;
+import javafx.fxml.FXML;
+import javafx.scene.control.ListView;
+
+public class PlayListController
+{
+    @FXML private ListView<String> lvPlaylist;
+    public void setPlaylist(ArrayList<String> playlist)
+    {
+        lvPlaylist.getItems().addAll(playlist);
+    }
+}

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

@@ -1,8 +1,24 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.ListView?>
 <?import javafx.scene.layout.VBox?>
-<VBox xmlns="http://javafx.com/fxml" alignment="CENTER" spacing="10">
+<?import javafx.scene.layout.HBox?>
 
-    <!-- TODO: Add your code here! -->
+<VBox alignment="CENTER" spacing="15.0" xmlns:fx="http://javafx.com/fxml" fx:controller="sbu.javafx.MusicController">
+    <Label fx:id="lblStatus" text="Musiv Player" style="-fx-font-size: 18px; -fx-font-weight: bold;"/>
 
-</VBox>
+    <ListView fx:id="lvSongs" prefHeight="200.0" prefWidth="350.0"/>
+
+    <HBox spacing="10" alignment="CENTER">
+        <Button fx:id="btnPlayStop" text="PLay ▶" onAction="#handlePlayAction" prefWidth="300"/>
+    </HBox>
+    <VBox spacing="10"/>
+
+    <Button text="Add to playlist ➕" onAction="#addToPlaylist" prefWidth="300"/>
+
+    <VBox spacing="10"/>
+
+    <Button fx:id="btnViewPlaylist" text="Show Playlist" onAction="#openPlaylistWindow"  prefWidth="300"/>
+</VBox>

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

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.ListView?>
+<?import javafx.scene.layout.VBox?>
+
+<VBox alignment="TOP_CENTER" spacing="10.0" xmlns:fx="http://javafx.com/fxml" fx:controller="sbu.javafx.PlayListController">
+    <Label text="Your PlayList : " style="-fx-font-size: 20px; -fx-font-weight: bold;"/>
+    <ListView fx:id="lvPlaylist" prefHeight="300.0" prefWidth="300.0"/>
+</VBox>