completed

src/main/java/sbu/javafx/Main.java

@@ -30,6 +30,7 @@ public class Main extends Application {
         );
 
         controller.setupListView(controller.musicsListView);
+        controller.setupListView(controller.playlistListView);
 
         Scene scene = new Scene(root, 500, 600);
         scene.getStylesheets().add(

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

@@ -37,6 +37,7 @@ public class MusicController {
     private boolean isDarkMode=true;
     private boolean isPlaying=false;
     private boolean isMute=false;
+    private boolean isOpen=false;
     private Song currentSong = null;
     ImageView playIcon;
     ImageView pauseIcon;
@@ -134,10 +135,7 @@ public class MusicController {
     }
 
     public void changeTheme(){
-
-
         Scene scene = root.getScene();
-
         scene.getStylesheets().clear();
 
         if(isDarkMode){
@@ -213,20 +211,53 @@ public class MusicController {
 
     // TODO:This method should open a new window or change the current scene  to display the "Playlist" page.
 
-    public void openPlaylistWindow() {
-        //Create a new stage and show the playlist UI.
-        musicsListView.setVisible(false);
-        if(playlistListView!=null)
+    public void openPlaylistWindow(ActionEvent e) {
+
+        if(isPlaying)
+            playPause(e);
+
+        if(!isOpen){
+
+            // باز کردن پلی‌لیست
+
+            if(playlistListView.getItems().isEmpty()){
+
+                Alert alert = new Alert(Alert.AlertType.WARNING);
+
+                alert.setTitle("Empty Playlist");
+                alert.setHeaderText(null);
+                alert.setContentText("Playlist is empty!");
+
+                alert.showAndWait();
+
+                return;
+            }
+
+            isOpen = true;
+
+            openPlaylistBtn.setText("Back");
+
+            musicsListView.setVisible(false);
+            musicsListView.setManaged(false);
+
             playlistListView.setVisible(true);
+            playlistListView.setManaged(true);
 
-        else{
-            Alert alert = new Alert(Alert.AlertType.WARNING);
+        } else {
 
-            alert.setTitle("Empty Playlist");
-            alert.setHeaderText(null);
-            alert.setContentText("Playlist is empty!");
-            alert.showAndWait();
+            // برگشت به صفحه اصلی
+
+            isOpen = false;
+
+            openPlaylistBtn.setText("Open Playlist");
+
+            musicsListView.setVisible(true);
+            musicsListView.setManaged(true);
+
+            playlistListView.setVisible(false);
+            playlistListView.setManaged(false);
         }
     }
+    }
+
 
-}

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

@@ -26,8 +26,10 @@
    <ListView fx:id="musicsListView" VBox.vgrow="ALWAYS"/>
 
    <!-- آهنگ های پلی لیست-->
-   <ListView fx:id="playlistListView" visible="false"
-             managed="false" VBox.vgrow="ALWAYS"/>
+   <ListView fx:id="playlistListView"
+             visible="false"
+             managed="false"
+             VBox.vgrow="ALWAYS"/>
 
    <!-- باکس آهنگ در حال پخش -->
    <VBox alignment="CENTER" spacing="5">
@@ -93,7 +95,8 @@
          </Button>
 
          <Button fx:id="openPlaylistBtn"
-                 text="Playlist"
+                 onAction="#openPlaylistWindow"
+                 text="Open Playlist"
                  style="-fx-background-radius: 15px;" />
 
       </HBox>