Improve Music Player showcase

Major visual lift-up

sampler/src/main/java/atlantafx/sampler/page/showcase/ShowcasePage.java

@@ -8,9 +8,9 @@ import javafx.geometry.Pos;
 import javafx.scene.control.Alert;
 import javafx.scene.control.Button;
 import javafx.scene.control.Hyperlink;
-import javafx.scene.layout.AnchorPane;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.Priority;
+import javafx.scene.layout.StackPane;
 import javafx.scene.layout.VBox;
 import javafx.stage.StageStyle;
 import org.kordamp.ikonli.feather.Feather;
@@ -21,7 +21,7 @@ import static atlantafx.base.theme.Styles.ACCENT;
 public abstract class ShowcasePage extends AbstractPage {
 
     protected static final PseudoClass SHOWCASE_MODE = PseudoClass.getPseudoClass("showcase-mode");
-    protected final AnchorPane showcase = new AnchorPane();
+    protected final StackPane showcase = new StackPane();
     protected final HBox expandBox = new HBox(10);
     protected final HBox collapseBox = new HBox(10);
 

sampler/src/main/java/atlantafx/sampler/page/showcase/filemanager/FileManagerPage.java

@@ -7,10 +7,12 @@ import atlantafx.base.theme.Tweaks;
 import atlantafx.sampler.page.showcase.ShowcasePage;
 import atlantafx.sampler.util.Containers;
 import javafx.geometry.Insets;
+import javafx.geometry.Pos;
 import javafx.scene.control.*;
 import javafx.scene.layout.BorderPane;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.Region;
+import javafx.scene.layout.VBox;
 import javafx.scene.text.Text;
 import javafx.util.Callback;
 import org.kordamp.ikonli.feather.Feather;
@@ -111,18 +113,22 @@ public class FileManagerPage extends ShowcasePage {
                 (obs, old, val) -> splitPane.setDividerPosition(0, 200 / splitPane.getWidth())
         );
 
+        var aboutBox = new HBox(new Text("Simple file manager. You can traverse through the file system and open files via default system application."));
+        aboutBox.setPadding(new Insets(5, 0, 5, 0));
+        aboutBox.getStyleClass().add("about");
+
         var creditsBox = new HBox(5,
-                                  new Spacer(),
+                                  new Text("Inspired by ©"),
-                                  new Text("Inspired by"),
                                   hyperlink("Gnome Files", URI.create("https://gitlab.gnome.org/GNOME/nautilus"))
         );
         creditsBox.getStyleClass().add("credits");
+        creditsBox.setAlignment(Pos.CENTER_RIGHT);
         creditsBox.setPadding(new Insets(5, 0, 5, 0));
 
         var root = new BorderPane();
         root.getStyleClass().add("file-manager-showcase");
         root.getStylesheets().add(STYLESHEET_URL);
-        root.setTop(topBar);
+        root.setTop(new VBox(aboutBox, topBar));
         root.setCenter(splitPane);
         root.setBottom(creditsBox);
 

sampler/src/main/java/atlantafx/sampler/page/showcase/filemanager/RightClickMenu.java

@@ -9,7 +9,7 @@ import javafx.scene.input.KeyCodeCombination;
 
 import static javafx.scene.input.KeyCombination.CONTROL_DOWN;
 
-public class RightClickMenu extends ContextMenu {
+final class RightClickMenu extends ContextMenu {
 
     public RightClickMenu() {
         super();

sampler/src/main/java/atlantafx/sampler/page/showcase/filemanager/Utils.java

@@ -39,8 +39,6 @@ final class Utils {
         }
     }
 
-
-
     public static void openFile(Path path) {
         if (Desktop.isDesktopSupported()) {
             new Thread(() -> {

sampler/src/main/java/atlantafx/sampler/page/showcase/filemanager/file-manager.css

@@ -3,6 +3,14 @@
 .file-manager-showcase .bookmark-list {
     -fx-border-width: 0 0 1 1;
 }
+.file-manager-showcase .bookmark-list .ikonli-font-icon {
+    -fx-icon-size: 18px;
+}
+
+.file-manager-showcase .tool-bar {
+    -fx-background-insets: 0, 1;
+}
+
 .file-manager-showcase .table-directory-view .table-view {
     -color-header-bg: -color-bg-default;
     -color-cell-bg-selected: -color-accent-emphasis;
@@ -10,16 +18,8 @@
     -fx-border-width: 0 1 1 0;
 }
 
-.file-manager-showcase .tool-bar {
-    -fx-background-insets: 0, 1;
-}
-
 /* setting opacity directly to the .table-cell or .table-row-cell
    leads to incorrect table row height calculation #javafx-bug */
 .file-manager-showcase .table-row-cell:hidden >.table-cell > * {
     -fx-opacity: 0.6;
 }
-
-.file-manager-showcase .bookmark-list .ikonli-font-icon {
-    -fx-icon-size: 18px;
-}

sampler/src/main/java/atlantafx/sampler/page/showcase/musicplayer/MediaFile.java

@@ -32,16 +32,17 @@ record MediaFile(File file) {
         // MediaPlayer and that player has transitioned to Status.READY status.
         mediaPlayer.setOnReady(() -> {
             Map<String, Object> metadata = media.getMetadata();
-            callback.accept(METADATA_CACHE.computeIfAbsent(file.getAbsolutePath(), k ->
+            callback.accept(METADATA_CACHE.computeIfAbsent(file.getAbsolutePath(), k -> {
-                    // clone everything to make sure media player will be garbage collected
+                var image = getTag(metadata, "image", Image.class, null);
-                    new Metadata(
+                // clone everything to make sure media player will be garbage collected
-                            new String(getTag(metadata, "title", String.class, NO_TITLE)),
+                return new Metadata(
-                            copyImage(getTag(metadata, "image", Image.class, NO_IMAGE)),
+                        new String(getTag(metadata, "title", String.class, NO_TITLE)),
-                            new String(getTag(metadata, "artist", String.class, NO_ARTIST)),
+                        image != null ? copyImage(image) : null,
-                            new String(getTag(metadata, "album", String.class, NO_ALBUM)),
+                        new String(getTag(metadata, "artist", String.class, NO_ARTIST)),
-                            media.getDuration().toMillis()
+                        new String(getTag(metadata, "album", String.class, NO_ALBUM)),
-                    ))
+                        media.getDuration().toMillis()
-            );
+                );
+            }));
 
             mediaPlayer.dispose();
         });
@@ -63,6 +64,11 @@ record MediaFile(File file) {
         static final Image NO_IMAGE = new Image(
                 Resources.getResourceAsStream("images/no-image.png"), 150, 150, true, false
         );
+
+        static final Image NO_IMAGE_ALT = new Image(
+                Resources.getResourceAsStream("images/papirus/mimetypes/audio-mp3.png"), 150, 150, true, false
+        );
+
         static final String NO_TITLE = "Unknown title";
         static final String NO_ARTIST = "Unknown artist";
         static final String NO_ALBUM = "Unknown album";

sampler/src/main/java/atlantafx/sampler/page/showcase/musicplayer/Model.java

@@ -9,7 +9,7 @@ import javafx.scene.paint.Color;
 
 import java.util.Objects;
 
-class Model {
+final class Model {
 
     private final ObservableList<MediaFile> playlist = FXCollections.observableArrayList();
     private final IntegerProperty playlistIndex = new SimpleIntegerProperty();

sampler/src/main/java/atlantafx/sampler/page/showcase/musicplayer/MusicPlayerPage.java

@@ -1,24 +1,27 @@
 /* SPDX-License-Identifier: MIT */
 package atlantafx.sampler.page.showcase.musicplayer;
 
-import atlantafx.sampler.Resources;
 import atlantafx.sampler.page.showcase.ShowcasePage;
-import atlantafx.sampler.util.Containers;
 import javafx.collections.ListChangeListener;
 import javafx.geometry.Insets;
-import javafx.scene.control.SplitPane;
+import javafx.geometry.Pos;
-import javafx.scene.image.Image;
+import javafx.scene.layout.BorderPane;
-import javafx.scene.layout.*;
+import javafx.scene.layout.HBox;
+import javafx.scene.text.Text;
 
+import java.net.URI;
 import java.util.Objects;
+import java.util.Set;
+
+import static atlantafx.sampler.util.Controls.hyperlink;
 
 public class MusicPlayerPage extends ShowcasePage {
 
     public static final String NAME = "Music Player";
-    public static final double BACKGROUND_OPACITY = 0.1;
+    public static final double BACKGROUND_OPACITY = 0.2;
+    public static final Set<String> SUPPORTED_MEDIA_TYPES = Set.of("mp3");
     private static final String STYLESHEET_URL = Objects.requireNonNull(
             MusicPlayerPage.class.getResource("music-player.css")).toExternalForm();
-    private static final Image PLUG_IMAGE = new Image(Resources.getResourceAsStream("images/vinyl.jpg"));
 
     @Override
     public String getName() { return NAME; }
@@ -31,43 +34,40 @@ public class MusicPlayerPage extends ShowcasePage {
     }
 
     private void createView() {
-        var player = new Player(model);
+        var startScreen = new StartScreen(model);
-        player.setVisible(false);
+        var playerScreen = new PlayerScreen(model);
 
-        BackgroundImage backgroundImage = new BackgroundImage(
+        var aboutBox = new HBox(new Text("Simple music player that able to play MP3 files."));
-                PLUG_IMAGE,
+        aboutBox.setPadding(new Insets(5, 0, 5, 0));
-                BackgroundRepeat.REPEAT,
+        aboutBox.getStyleClass().add("about");
-                BackgroundRepeat.REPEAT,
+
-                BackgroundPosition.DEFAULT,
+        var creditsBox = new HBox(5,
-                BackgroundSize.DEFAULT
+                                  new Text("Inspired by ©"),
+                                  hyperlink("Amberol", URI.create("https://gitlab.gnome.org/World/amberol"))
         );
-        var plug = new AnchorPane();
+        creditsBox.getStyleClass().add("credits");
-        plug.setBackground(new Background(backgroundImage));
+        creditsBox.setAlignment(Pos.CENTER_RIGHT);
-        plug.setOpacity(0.5);
+        creditsBox.setPadding(new Insets(5, 0, 5, 0));
-        plug.setMouseTransparent(false);
+
+        // ~
+
+        var root = new BorderPane();
+        root.setCenter(startScreen);
+        root.setTop(aboutBox);
+        root.setBottom(creditsBox);
+
+        root.getStylesheets().add(STYLESHEET_URL);
+        root.getStyleClass().add("music-player-showcase");
 
-        var playerStack = new StackPane(player, plug);
         model.playlist().addListener((ListChangeListener<MediaFile>) c -> {
             if (model.playlist().size() > 0) {
-                player.setVisible(true);
+                root.setCenter(playerScreen);
-                plug.setVisible(false);
-                player.toFront();
             } else {
-                player.setVisible(false);
+                root.setCenter(startScreen);
-                plug.setVisible(true);
-                plug.toFront();
             }
         });
 
-        var playlist = new Playlist(model);
-
-        var root = new SplitPane();
-        root.getStylesheets().add(STYLESHEET_URL);
-        root.getStyleClass().add("music-player-showcase");
-        root.getItems().setAll(playerStack, playlist);
-
         showcase.getChildren().setAll(root);
-        Containers.setAnchors(root, Insets.EMPTY);
     }
 
     @Override

sampler/src/main/java/atlantafx/sampler/page/showcase/musicplayer/PlayerPane.java

@@ -7,16 +7,16 @@ import javafx.beans.InvalidationListener;
 import javafx.beans.binding.Bindings;
 import javafx.beans.property.ObjectProperty;
 import javafx.beans.property.SimpleObjectProperty;
-import javafx.geometry.Insets;
 import javafx.scene.control.Button;
 import javafx.scene.control.Label;
 import javafx.scene.control.Slider;
 import javafx.scene.control.Tooltip;
 import javafx.scene.image.Image;
-import javafx.scene.layout.*;
+import javafx.scene.layout.HBox;
+import javafx.scene.layout.StackPane;
+import javafx.scene.layout.VBox;
 import javafx.scene.media.Media;
 import javafx.scene.media.MediaPlayer;
-import javafx.scene.paint.Color;
 import javafx.scene.paint.ImagePattern;
 import javafx.scene.shape.Circle;
 import javafx.scene.shape.Rectangle;
@@ -26,9 +26,9 @@ import org.kordamp.ikonli.javafx.FontIcon;
 import static atlantafx.base.controls.Popover.ArrowLocation;
 import static atlantafx.base.theme.Styles.*;
 import static atlantafx.sampler.page.showcase.musicplayer.MediaFile.Metadata.*;
-import static atlantafx.sampler.page.showcase.musicplayer.MusicPlayerPage.BACKGROUND_OPACITY;
 import static atlantafx.sampler.page.showcase.musicplayer.Utils.formatDuration;
 import static atlantafx.sampler.page.showcase.musicplayer.Utils.getDominantColor;
+import static java.lang.Double.MAX_VALUE;
 import static javafx.geometry.Orientation.VERTICAL;
 import static javafx.geometry.Pos.CENTER;
 import static org.kordamp.ikonli.material2.Material2AL.CLEAR_ALL;
@@ -37,30 +37,53 @@ import static org.kordamp.ikonli.material2.Material2MZ.*;
 import static org.kordamp.ikonli.material2.Material2OutlinedAL.FAST_FORWARD;
 import static org.kordamp.ikonli.material2.Material2OutlinedAL.FAST_REWIND;
 
-final class Player extends VBox {
+final class PlayerPane extends VBox {
 
     private static final int PANEL_MAX_WIDTH = 220;
 
+    private final Model model;
     private final ObjectProperty<MediaPlayer> currentPlayer = new SimpleObjectProperty<>();
 
-    public Player(Model model) {
+    private Rectangle coverImage;
-        Rectangle coverImage = new Rectangle(0, 0, 150, 150);
+    private Label trackTitle;
+    private Label trackArtist;
+    private Label trackAlbum;
+
+    private FontIcon playIcon;
+    private Button playBtn;
+
+    private Slider timeSlider;
+    private Slider volumeSlider;
+    private Label currentTimeLabel;
+    private Label endTimeLabel;
+
+    public PlayerPane(Model model) {
+        super();
+
+        this.model = model;
+
+        createView();
+        init();
+    }
+
+    private void createView() {
+        coverImage = new Rectangle(0, 0, 150, 150);
         coverImage.setArcWidth(20.0);
         coverImage.setArcHeight(20.0);
         coverImage.setFill(new ImagePattern(NO_IMAGE));
 
-        var trackTitle = new Label(NO_TITLE);
+        trackTitle = new Label(NO_TITLE);
-        trackTitle.setAlignment(CENTER);
-        trackTitle.setMaxWidth(Double.MAX_VALUE);
         trackTitle.getStyleClass().add(TITLE_3);
+        trackTitle.setAlignment(CENTER);
+        trackTitle.setMaxWidth(MAX_VALUE);
 
-        var trackArtist = new Label(NO_ARTIST);
+        trackArtist = new Label(NO_ARTIST);
         trackArtist.setAlignment(CENTER);
-        trackArtist.setMaxWidth(Double.MAX_VALUE);
+        trackArtist.setMaxWidth(MAX_VALUE);
 
-        var trackAlbum = new Label(NO_ALBUM);
+        trackAlbum = new Label(NO_ALBUM);
         trackAlbum.setAlignment(CENTER);
-        trackAlbum.setMaxWidth(Double.MAX_VALUE);
+        trackAlbum.setMaxWidth(MAX_VALUE);
 
         // == Media controls ==
 
@@ -71,11 +94,10 @@ final class Player extends VBox {
         prevBtn.disableProperty().bind(model.canGoBackProperty().not());
         prevBtn.setOnAction(e -> model.playPrevious());
 
-        var playIcon = new FontIcon(PLAY_ARROW);
+        playIcon = new FontIcon(PLAY_ARROW);
-        playIcon.setIconSize(32);
 
-        var playBtn = new Button("", playIcon);
+        playBtn = new Button("", playIcon);
-        playBtn.getStyleClass().addAll(BUTTON_CIRCLE);
+        playBtn.getStyleClass().addAll("play", BUTTON_CIRCLE);
         playBtn.setShape(new Circle(50));
 
         var nextBtn = new Button("", new FontIcon(FAST_FORWARD));
@@ -86,20 +108,21 @@ final class Player extends VBox {
         nextBtn.setTooltip(new Tooltip("Next"));
 
         var mediaControls = new HBox(20);
+        mediaControls.getStyleClass().add("media-controls");
         mediaControls.getChildren().setAll(prevBtn, playBtn, nextBtn);
         mediaControls.setAlignment(CENTER);
 
         // == Time controls ==
 
-        var timeSlider = new Slider(0, 1, 0);
+        timeSlider = new Slider(0, 1, 0);
-        timeSlider.setMaxWidth(Double.MAX_VALUE);
+        timeSlider.getStyleClass().add("time-slider");
         timeSlider.setMinWidth(PANEL_MAX_WIDTH);
         timeSlider.setMaxWidth(PANEL_MAX_WIDTH);
 
-        var currentTimeLabel = new Label("0.0");
+        currentTimeLabel = new Label("0.0");
         currentTimeLabel.getStyleClass().add(TEXT_SMALL);
 
-        var endTimeLabel = new Label("5.0");
+        endTimeLabel = new Label("5.0");
         endTimeLabel.getStyleClass().add(TEXT_SMALL);
 
         var timeMarkersBox = new HBox(5);
@@ -120,7 +143,7 @@ final class Player extends VBox {
         shuffleBtn.setTooltip(new Tooltip("Shuffle"));
         shuffleBtn.setOnAction(e -> model.shuffle());
 
-        var volumeSlider = new Slider(0, 1, 0.75);
+        volumeSlider = new Slider(0, 1, 0.75);
         volumeSlider.setOrientation(VERTICAL);
 
         var volumeBar = new VBox(5);
@@ -140,11 +163,12 @@ final class Player extends VBox {
         extraControls.getChildren().setAll(clearPlaylistBtn, shuffleBtn, new Spacer(), volumeBtn);
         extraControls.setMaxWidth(PANEL_MAX_WIDTH);
 
-        // == Root ==
+        // ~
 
-        setSpacing(5);
         getStyleClass().add("player");
         setAlignment(CENTER);
+        setSpacing(5);
+        setMinWidth(300);
         getChildren().setAll(
                 new Spacer(VERTICAL),
                 new StackPane(coverImage),
@@ -161,13 +185,15 @@ final class Player extends VBox {
                 extraControls,
                 new Spacer(VERTICAL)
         );
+    }
 
-        // == Play ==
+    private void init() {
-
+        heightProperty().addListener((obs, old, val) -> {
-        backgroundProperty().bind(Bindings.createObjectBinding(() -> {
+            if (val == null) { return; }
-            Color color = model.backgroundColorProperty().get();
+            int size = val.intValue() < 600 ? 150 : 250;
-            return new Background(new BackgroundFill(color, CornerRadii.EMPTY, Insets.EMPTY));
+            coverImage.setWidth(size);
-        }, model.backgroundColorProperty()));
+            coverImage.setHeight(size);
+        });
 
         playBtn.setOnAction(e -> {
             MediaPlayer player = currentPlayer.get();
@@ -179,7 +205,7 @@ final class Player extends VBox {
             }
         });
 
-        InvalidationListener timeChangeListener = obs -> {
+        InvalidationListener mediaTimeChangeListener = obs -> {
             if (currentPlayer.get() == null) { return; }
 
             var duration = currentPlayer.get().getCurrentTime();
@@ -189,15 +215,14 @@ final class Player extends VBox {
             currentTimeLabel.setText(seconds > 0 ? formatDuration(duration) : "0.0");
         };
 
-        InvalidationListener sliderChangeListener = obs -> {
+        timeSlider.valueProperty().addListener(obs -> {
             if (currentPlayer.get() == null) { return; }
             long max = (long) currentPlayer.get().getMedia().getDuration().toSeconds();
             long sliderVal = (long) timeSlider.getValue();
             if (sliderVal <= max && timeSlider.isValueChanging()) {
                 currentPlayer.get().seek(Duration.seconds(sliderVal));
             }
-        };
+        });
-        timeSlider.valueProperty().addListener(sliderChangeListener);
 
         model.currentTrackProperty().addListener((obs, old, val) -> {
             if (val == null) {
@@ -215,7 +240,7 @@ final class Player extends VBox {
             mediaPlayer.setOnReady(() -> {
                 Image image = getTag(media, "image", Image.class, NO_IMAGE);
                 coverImage.setFill(new ImagePattern(image));
-                model.setBackgroundColor(image != NO_IMAGE ? getDominantColor(image, BACKGROUND_OPACITY) : null);
+                model.setBackgroundColor(image != NO_IMAGE ? getDominantColor(image, 1.0) : null);
 
                 trackTitle.setText(getTag(media, "title", String.class, NO_TITLE));
                 trackArtist.setText(getTag(media, "artist", String.class, NO_ARTIST));
@@ -234,7 +259,7 @@ final class Player extends VBox {
                 }, mediaPlayer.statusProperty()));
 
                 mediaPlayer.volumeProperty().bind(volumeSlider.valueProperty());
-                mediaPlayer.currentTimeProperty().addListener(timeChangeListener);
+                mediaPlayer.currentTimeProperty().addListener(mediaTimeChangeListener);
             });
             mediaPlayer.setOnEndOfMedia(model::playNext);
 
@@ -247,7 +272,7 @@ final class Player extends VBox {
             if (old != null) {
                 old.stop();
                 old.volumeProperty().unbind();
-                old.currentTimeProperty().removeListener(timeChangeListener);
+                old.currentTimeProperty().removeListener(mediaTimeChangeListener);
                 playIcon.iconCodeProperty().unbind();
                 old.dispose();
             }

sampler/src/main/java/atlantafx/sampler/page/showcase/musicplayer/PlayerScreen.java

@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: MIT */
+package atlantafx.sampler.page.showcase.musicplayer;
+
+import javafx.scene.control.SplitPane;
+import javafx.scene.paint.Color;
+
+import java.util.Objects;
+
+import static atlantafx.sampler.util.JColorUtils.toHexWithAlpha;
+
+final class PlayerScreen extends SplitPane {
+
+    private final Model model;
+
+    public PlayerScreen(Model model) {
+        super();
+
+        this.model = model;
+
+        createView();
+    }
+
+    private void createView() {
+        var player = new PlayerPane(model);
+        var playlist = new PlaylistPane(model);
+
+        getStyleClass().add("player-screen");
+        getItems().setAll(player, playlist);
+
+        model.backgroundColorProperty().addListener((obs, old, val) -> {
+            var domColor = Objects.equals(Color.TRANSPARENT, val) ?
+                    Color.TRANSPARENT :
+                    Color.color(val.getRed(), val.getGreen(), val.getBlue(), 1);
+            var domColor20 = Objects.equals(Color.TRANSPARENT, val) ?
+                    Color.TRANSPARENT :
+                    Color.color(val.getRed(), val.getGreen(), val.getBlue(), 0.2);
+            var domColor50 = Objects.equals(Color.TRANSPARENT, val) ?
+                    Color.TRANSPARENT :
+                    Color.color(val.getRed(), val.getGreen(), val.getBlue(), 0.5);
+            var domColor70 = Objects.equals(Color.TRANSPARENT, val) ?
+                    Color.TRANSPARENT :
+                    Color.color(val.getRed(), val.getGreen(), val.getBlue(), 0.7);
+            setStyle("-color-dominant:" + toHexWithAlpha(domColor) + ";" +
+                             "-color-dominant-20:" + toHexWithAlpha(domColor20) + ";" +
+                             "-color-dominant-50:" + toHexWithAlpha(domColor50) + ";" +
+                             "-color-dominant-70:" + toHexWithAlpha(domColor70) + ";" +
+                             "-color-dominant-border:" + toHexWithAlpha(domColor70) + ";"
+            );
+        });
+    }
+}

sampler/src/main/java/atlantafx/sampler/page/showcase/musicplayer/PlaylistPane.java

@@ -5,9 +5,11 @@ import atlantafx.base.controls.Spacer;
 import javafx.application.Platform;
 import javafx.collections.ListChangeListener;
 import javafx.concurrent.Task;
+import javafx.css.PseudoClass;
 import javafx.geometry.Insets;
 import javafx.scene.control.*;
-import javafx.scene.layout.*;
+import javafx.scene.layout.HBox;
+import javafx.scene.layout.VBox;
 import javafx.scene.paint.ImagePattern;
 import javafx.scene.shape.Rectangle;
 import javafx.stage.FileChooser;
@@ -18,7 +20,8 @@ import java.util.List;
 import java.util.Objects;
 
 import static atlantafx.base.theme.Styles.*;
-import static atlantafx.sampler.page.showcase.musicplayer.Utils.toWebColor;
+import static atlantafx.sampler.page.showcase.musicplayer.MediaFile.Metadata.NO_IMAGE_ALT;
+import static atlantafx.sampler.page.showcase.musicplayer.MusicPlayerPage.SUPPORTED_MEDIA_TYPES;
 import static java.lang.Double.MAX_VALUE;
 import static javafx.geometry.Pos.CENTER_LEFT;
 import static javafx.scene.layout.Priority.ALWAYS;
@@ -26,31 +29,50 @@ import static javafx.stage.FileChooser.ExtensionFilter;
 import static org.kordamp.ikonli.material2.Material2AL.ADD;
 import static org.kordamp.ikonli.material2.Material2MZ.PLAYLIST_PLAY;
 
-final class Playlist extends VBox {
+final class PlaylistPane extends VBox {
 
-    public Playlist(Model model) {
+    private final Model model;
+
+    private Label sizeLabel;
+    private Label sizeDescLabel;
+    private ProgressBar loadProgress;
+    private Button addButton;
+    private ListView<MediaFile> playlist;
+
+    public PlaylistPane(Model model) {
+        super();
+
+        this.model = model;
+
+        createView();
+        init();
+    }
+
+    private void createView() {
         var headerLabel = new Label("Playlist");
         headerLabel.getStyleClass().setAll(TEXT_CAPTION);
         // There's probably some #javafx-bug here. This label uses CSS class that
-        // changes font size & weight. When switching between themes it _sometimes_
+        // changes font size and weight. When switching between themes it _sometimes_
-        // ignores new color variables and remains using old fg color. Like it
+        // ignores new color variables and continues using old fg color. Like it
         // caches old font or something. The below rule forces it to use proper color.
         headerLabel.setStyle("-fx-text-fill: -color-fg-default;");
 
-        var sizeLabel = new Label("");
+        sizeLabel = new Label("");
         sizeLabel.getStyleClass().add(TEXT_SMALL);
 
-        var sizeDescLabel = new Label("empty");
+        sizeDescLabel = new Label("empty");
         sizeDescLabel.getStyleClass().add(TEXT_SMALL);
 
-        var loadProgress = new ProgressBar(1);
+        loadProgress = new ProgressBar(1);
         loadProgress.getStyleClass().add(SMALL);
         loadProgress.setMaxWidth(MAX_VALUE);
         loadProgress.setVisible(false);
 
-        var addButton = new Button("Add", new FontIcon(ADD));
+        addButton = new Button("Add", new FontIcon(ADD));
+        addButton.getStyleClass().add(FLAT);
 
         var controlsBox = new HBox();
+        controlsBox.setPadding(new Insets(0, 0, 10, 0));
         controlsBox.getStyleClass().add("controls");
         controlsBox.getChildren().setAll(
                 new VBox(5, headerLabel, sizeDescLabel),
@@ -59,16 +81,18 @@ final class Playlist extends VBox {
         );
         controlsBox.setAlignment(CENTER_LEFT);
 
-        var playlist = new ListView<>(model.playlist());
+        playlist = new ListView<>(model.playlist());
         playlist.setCellFactory(param -> new MediaCell(model));
         playlist.setPlaceholder(new Label("No Content"));
+        VBox.setVgrow(playlist, ALWAYS);
 
         getStyleClass().add("playlist");
-        setSpacing(10);
+        setPadding(new Insets(10));
+        setSpacing(5);
         getChildren().setAll(controlsBox, loadProgress, playlist);
+    }
 
-        // ~
+    private void init() {
-
         model.currentTrackProperty().addListener((obs, old, val) -> playlist.refresh());
 
         model.playlist().addListener((ListChangeListener<MediaFile>) c -> {
@@ -82,15 +106,13 @@ final class Playlist extends VBox {
             }
         });
 
-        model.backgroundColorProperty().addListener((obs, old, val) -> {
-            var color = model.backgroundColorProperty().get();
-            playlist.setStyle("-color-cell-bg:" + toWebColor(color) + ";");
-            setBackground(new Background(new BackgroundFill(color, CornerRadii.EMPTY, Insets.EMPTY)));
-        });
-
         addButton.setOnAction(e -> {
-            FileChooser fileChooser = new FileChooser();
+            var extensions = SUPPORTED_MEDIA_TYPES.stream().map(s -> "*." + s).toList();
-            fileChooser.getExtensionFilters().addAll(new ExtensionFilter("MP3 files (*.mp3)", "*.mp3"));
+            var fileChooser = new FileChooser();
+            fileChooser.getExtensionFilters().addAll(new ExtensionFilter(
+                    "MP3 files (" + String.join(", ", extensions) + ")",
+                    extensions
+            ));
             List<File> files = fileChooser.showOpenMultipleDialog(getScene().getWindow());
             if (files == null || files.isEmpty()) { return; }
 
@@ -120,6 +142,8 @@ final class Playlist extends VBox {
 
     private static class MediaCell extends ListCell<MediaFile> {
 
+        private static final PseudoClass PLAYING = PseudoClass.getPseudoClass("playing");
+
         private final Model model;
         private final HBox root;
         private final Rectangle coverImage;
@@ -166,10 +190,15 @@ final class Playlist extends VBox {
             } else {
                 setGraphic(root);
 
-                playMark.setVisible(Objects.equals(mediaFile, model.currentTrackProperty().get()));
+                var playing = Objects.equals(mediaFile, model.currentTrackProperty().get());
+
+                pseudoClassStateChanged(PLAYING, playing);
+                playMark.setVisible(playing);
 
                 mediaFile.readMetadata(metadata -> {
-                    coverImage.setFill(new ImagePattern(metadata.image()));
+                    coverImage.setFill(new ImagePattern(
+                            metadata.image() != null ? metadata.image() : NO_IMAGE_ALT
+                    ));
                     titleLabel.setText(metadata.title());
                     artistLabel.setText(metadata.artist());
                 });

sampler/src/main/java/atlantafx/sampler/page/showcase/musicplayer/StartScreen.java

@@ -0,0 +1,105 @@
+/* SPDX-License-Identifier: MIT */
+package atlantafx.sampler.page.showcase.musicplayer;
+
+import atlantafx.base.theme.Styles;
+import javafx.geometry.Insets;
+import javafx.geometry.Pos;
+import javafx.scene.control.Button;
+import javafx.scene.layout.BorderPane;
+import javafx.scene.layout.VBox;
+import javafx.scene.text.Text;
+import javafx.scene.text.TextAlignment;
+import javafx.scene.text.TextFlow;
+import javafx.stage.DirectoryChooser;
+import javafx.stage.FileChooser;
+import javafx.stage.FileChooser.ExtensionFilter;
+import org.kordamp.ikonli.feather.Feather;
+import org.kordamp.ikonli.javafx.FontIcon;
+
+import java.io.File;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.List;
+import java.util.stream.Stream;
+
+import static atlantafx.sampler.page.showcase.musicplayer.MusicPlayerPage.SUPPORTED_MEDIA_TYPES;
+
+final class StartScreen extends BorderPane {
+
+    private final Model model;
+
+    public StartScreen(Model model) {
+        super();
+
+        this.model = model;
+
+        createView();
+    }
+
+    private void createView() {
+        var jumboIcon = new FontIcon(Feather.MUSIC);
+
+        var noteText = new TextFlow(new Text(
+                "Select a file or a folder."
+        ));
+        noteText.setMaxWidth(400);
+        noteText.setTextAlignment(TextAlignment.CENTER);
+
+        var addFolderBtn = new Button("Add Folder");
+        addFolderBtn.getStyleClass().add(Styles.ACCENT);
+        addFolderBtn.setPrefWidth(150);
+        addFolderBtn.setOnAction(e -> addFolder());
+
+        var addFileBtn = new Button("Add File");
+        addFileBtn.setPrefWidth(150);
+        addFileBtn.setOnAction(e -> addFile());
+
+        var controls = new VBox(10, addFolderBtn, addFileBtn);
+        controls.setAlignment(Pos.CENTER);
+        controls.setFillWidth(true);
+
+        var content = new VBox(30, jumboIcon, noteText, controls);
+        content.getStyleClass().add("content");
+        content.setAlignment(Pos.CENTER);
+        content.setFillWidth(true);
+
+        setCenter(content);
+        setPadding(new Insets(100));
+        getStyleClass().add("start-screen");
+    }
+
+    private void addFile() {
+        var extensions = SUPPORTED_MEDIA_TYPES.stream().map(s -> "*." + s).toList();
+        var fileChooser = new FileChooser();
+        fileChooser.getExtensionFilters().addAll(new ExtensionFilter(
+                "MP3 files (" + String.join(", ", extensions) + ")",
+                extensions
+        ));
+        List<File> files = fileChooser.showOpenMultipleDialog(getScene().getWindow());
+        if (files == null || files.isEmpty()) { return; }
+
+        for (File file : files) {
+            model.addFile(new MediaFile(file));
+        }
+    }
+
+    private void addFolder() {
+        DirectoryChooser directoryChooser = new DirectoryChooser();
+        File dir = directoryChooser.showDialog(getScene().getWindow());
+        if (dir == null) { return; }
+
+        var path = dir.toPath();
+        if (!Files.isDirectory(path) || !Files.isReadable(path)) { return; }
+
+        try (Stream<Path> stream = Files.list(path)) {
+            stream.forEach(p -> {
+                for (String s : SUPPORTED_MEDIA_TYPES) {
+                    if (!p.toAbsolutePath().toString().endsWith(s)) { continue; }
+                    model.addFile(new MediaFile(p.toFile()));
+                }
+            });
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+}

sampler/src/main/java/atlantafx/sampler/page/showcase/musicplayer/Utils.java

@@ -37,12 +37,4 @@ final class Utils {
                 String.format("%02d:%02d", (seconds % 3600) / 60, seconds % 60) :
                 String.format("%d:%02d:%02d", seconds / 3600, (seconds % 3600) / 60, seconds % 60);
     }
-
-    public static String toWebColor(Color color) {
-        int r = ((int) Math.round(color.getRed() * 255)) << 24;
-        int g = ((int) Math.round(color.getGreen() * 255)) << 16;
-        int b = ((int) Math.round(color.getBlue() * 255)) << 8;
-        int a = ((int) Math.round(color.getOpacity() * 255));
-        return String.format("#%08X", (r + g + b + a));
-    }
 }

sampler/src/main/java/atlantafx/sampler/page/showcase/musicplayer/music-player.css

@@ -1,26 +1,52 @@
 /** SPDX-License-Identifier: MIT */
 
-.music-player-showcase {
+.music-player-showcase > .start-screen {
+    -fx-border-color: -color-border-muted;
     -fx-border-width: 1;
-    -fx-border-color: -color-border-default;
+}
+.music-player-showcase > .start-screen > .content > .ikonli-font-icon {
+    -fx-icon-color: -color-fg-muted;
+    -fx-fill: -color-fg-muted;
+    -fx-icon-size: 64px;
 }
 
-.music-player-showcase .playlist {
+.music-player-showcase > .player-screen {
-    -fx-padding: 10;
+    -fx-border-color: -color-border-muted;
+    -fx-border-width: 1;
+    -color-dominant:    transparent;
+    -color-dominant-20: transparent;
+    -color-dominant-50: transparent;
+    -color-dominant-70: transparent;
+    -color-dominant-border: -color-border-muted;
+}
+.music-player-showcase > .player-screen > * > .player {
+    -fx-background-color: radial-gradient(radius 100%, -color-dominant-50, -color-dominant-20);
+}
+.music-player-showcase > .player-screen > * > .player > .media-controls > .play > .ikonli-font-icon {
+    -fx-icon-size: 32px;
+}
+.music-player-showcase > .player-screen > .split-pane-divider {
+    -fx-background-color: -color-dominant-border;
 }
 
-.music-player-showcase .playlist > .list-view {
+.music-player-showcase > .player-screen > * > .playlist {
+    -fx-background-color: radial-gradient(radius 100%, -color-dominant-20, -color-dominant-50);
+}
+.music-player-showcase > .player-screen > * > .playlist > .controls {
+    -fx-border-color: -color-dominant-border;
+    -fx-border-width: 0 0 0.75px 0;
+}
+.music-player-showcase > .player-screen > * > .playlist > .controls > .button {
+    -color-button-bg-hover: transparent;
+    -color-button-bg-focused: transparent;
+    -color-button-bg-pressed: transparent;
+}
+.music-player-showcase > .player-screen > * > .playlist > .list-view {
     -fx-border-width: 0;
 }
-.music-player-showcase .playlist > .list-view .list-cell {
+.music-player-showcase > .player-screen > * > .playlist > .list-view .list-cell {
+    -color-cell-bg: transparent;
+    -color-cell-bg-selected: transparent;
+    -color-cell-border: transparent;
     -fx-cell-size: 4em;
-    -fx-background-color: transparent;
+}
-    -fx-background-radius: 6px;
-}
-.music-player-showcase .playlist > .list-view:focused>.virtual-flow>.clipped-container>.sheet>.list-cell:filled:selected {
-    -fx-background-color: transparent;
-}
-.music-player-showcase .playlist > .list-view:focused>.virtual-flow>.clipped-container>.sheet>.list-cell:selected:hover,
-.music-player-showcase .playlist > .list-view:focused>.virtual-flow>.clipped-container>.sheet>.list-cell:filled:hover {
-    -fx-background-color: derive(-color-cell-bg, -5%);
-}

sampler/src/main/java/atlantafx/sampler/util/JColorUtils.java

@@ -846,4 +846,12 @@ public class JColorUtils {
                 (float) color.getOpacity()
         ).getColorHexShorthandWithAlpha();
     }
+
+    public static String toHexOpaque(Color color) {
+        return JColor.color(
+                (float) color.getRed(),
+                (float) color.getGreen(),
+                (float) color.getBlue()
+        ).getColorHexShorthandWithAlpha();
+    }
 }

sampler/src/main/resources/assets/styles/scss/general/_root.scss

@@ -32,6 +32,10 @@
         -fx-spacing: 0;
       }
 
+      .about {
+        @include hide();
+      }
+
       .credits {
         @include hide();
       }

styles/src/settings/_icons.scss

@@ -15,6 +15,7 @@ $material-icons: (
   "minus":              "M 17,13 H 7 v -2 h 10 z",
   "more-vert":          "M12 8c1.1 0 2-.9 2-2s-.9-2-2-2-2 .9-2 2 .9 2 2 2zm0 2c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2zm0 6c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2z",
   "plus":               "M 18,12.857142 H 12.857142 V 18 H 11.142858 V 12.857142 H 6 v -1.714284 h 5.142858 V 6 h 1.714284 v 5.142858 H 18 Z",
+  "unfold-more":        "M12 5.83L15.17 9l1.41-1.41L12 3 7.41 7.59 8.83 9 12 5.83zm0 12.34L8.83 15l-1.41 1.41L12 21l4.59-4.59L15.17 15 12 18.17z",
 );
 
 @mixin get($id, $scale: true) {