Create first version of project selection with previously opened projects saved

src/main/java/sh/ball/gui/ExceptionRunnable.java

@@ -0,0 +1,6 @@
+package sh.ball.gui;
+
+@FunctionalInterface
+public interface ExceptionRunnable {
+  void run() throws Exception;
+}

src/main/java/sh/ball/gui/Gui.java

@@ -17,6 +17,7 @@ import sh.ball.audio.engine.ConglomerateAudioEngine;
 import sh.ball.audio.midi.MidiCommunicator;
 import sh.ball.gui.components.CodeEditor;
 import sh.ball.gui.controller.MainController;
+import sh.ball.gui.controller.ProjectSelectController;
 import sh.ball.parser.lua.LuaParser;
 import sh.ball.parser.obj.ObjParser;
 import sh.ball.parser.svg.SvgParser;
@@ -24,6 +25,7 @@ import sh.ball.parser.txt.TextParser;
 import sh.ball.shapes.Vector2;
 
 import java.io.File;
+import java.io.IOException;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.Objects;
@@ -36,6 +38,7 @@ public class Gui extends Application {
   public static String LOG_DIR = "./logs/";
   public static final Logger logger = Logger.getLogger(Gui.class.getName());
 
+  public static ProjectSelectController projectSelectController;
   public static ShapeAudioPlayer audioPlayer;
   public static AudioDevice defaultDevice;
   public static CodeEditor editor;
@@ -74,8 +77,13 @@ public class Gui extends Application {
     new Thread(midiCommunicator).start();
   }
 
+  private Stage stage;
+  private Scene scene;
+  private Parent root;
+
   @Override
   public void start(Stage stage) throws Exception {
+    this.stage = stage;
     System.setProperty("prism.lcdtext", "false");
     System.setProperty("org.luaj.luajc", "true");
 
@@ -92,15 +100,32 @@ public class Gui extends Application {
     editor.prefHeightProperty().bind(editorStage.heightProperty());
     editor.prefWidthProperty().bind(editorStage.widthProperty());
 
-    FXMLLoader loader = new FXMLLoader(getClass().getResource("/fxml/main.fxml"));
-    Parent root = loader.load();
-    MainController controller = loader.getController();
+    FXMLLoader projectSelectLoader = new FXMLLoader(getClass().getResource("/fxml/projectSelect.fxml"));
+    Parent projectSelectRoot = projectSelectLoader.load();
+    projectSelectController = projectSelectLoader.getController();
+    projectSelectController.setApplicationLauncher(this::launchMainApplication);
 
     stage.getIcons().add(new Image(Objects.requireNonNull(getClass().getResourceAsStream("/icons/icon.png"))));
     stage.setTitle("osci-render");
-    Scene scene = new Scene(root);
+    scene = new Scene(projectSelectRoot);
     scene.getStylesheets().add(getClass().getResource("/css/main.css").toExternalForm());
 
+    stage.setScene(scene);
+    stage.setResizable(false);
+
+    stage.setOnCloseRequest(t -> {
+      Platform.exit();
+      System.exit(0);
+    });
+
+    stage.show();
+
+    FXMLLoader loader = new FXMLLoader(getClass().getResource("/fxml/main.fxml"));
+    root = loader.load();
+    MainController controller = loader.getController();
+
+    controller.setAddRecentFile(projectSelectController::addRecentFile);
+
     controller.setSoftwareOscilloscopeAction(() -> {
       getHostServices().showDocument("https://james.ball.sh/oscilloscope");
     });
@@ -136,13 +161,8 @@ public class Gui extends Application {
       }
     });
 
-    stage.setScene(scene);
-    stage.setResizable(false);
-
     controller.setStage(stage);
 
-    stage.show();
-
     stage.setOnCloseRequest(t -> {
       controller.shutdown();
       Platform.exit();
@@ -150,6 +170,10 @@ public class Gui extends Application {
     });
   }
 
+  public void launchMainApplication() {
+    scene.setRoot(root);
+  }
+
   public static void launchCodeEditor(String code, String fileName) {
     editor.setCode(code, fileName);
     editorStage.show();

src/main/java/sh/ball/gui/controller/MainController.java

@@ -21,6 +21,7 @@ import java.nio.charset.StandardCharsets;
 import java.text.*;
 import java.util.*;
 import java.util.concurrent.*;
+import java.util.function.Consumer;
 import java.util.function.UnaryOperator;
 import java.util.logging.Level;
 
@@ -70,6 +71,7 @@ public class MainController implements Initializable, FrequencyListener, MidiLis
   private static final double BLOCK_INCREMENT = 0.005;
   private static final double MAJOR_TICK_UNIT = 0.1;
 
+  private Consumer<String> addRecentFile;
   private String openProjectPath;
   private final FileChooser wavFileChooser = new FileChooser();
 
@@ -1200,6 +1202,7 @@ public class MainController implements Initializable, FrequencyListener, MidiLis
       transformer.transform(domSource, streamResult);
       openProjectPath = projectFileName;
       updateTitle(null, projectFileName);
+      addRecentFile.accept(openProjectPath);
     } catch (ParserConfigurationException | TransformerException e) {
       logger.log(Level.SEVERE, e.getMessage(), e);
     }
@@ -1413,6 +1416,10 @@ public class MainController implements Initializable, FrequencyListener, MidiLis
     });
   }
 
+  public void setAddRecentFile(Consumer<String> addRecentFile) {
+    this.addRecentFile = addRecentFile;
+  }
+
   private record PrintableSlider(Slider slider) {
     @Override
     public String toString() {

src/main/java/sh/ball/gui/controller/ProjectSelectController.java

@@ -0,0 +1,84 @@
+package sh.ball.gui.controller;
+
+import javafx.application.Platform;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import javafx.fxml.FXML;
+import javafx.fxml.Initializable;
+import javafx.scene.control.Button;
+import javafx.scene.control.CheckBox;
+import javafx.scene.control.ListView;
+import javafx.scene.control.ProgressIndicator;
+import sh.ball.gui.ExceptionRunnable;
+
+import java.net.URL;
+import java.util.ResourceBundle;
+import java.util.prefs.Preferences;
+
+public class ProjectSelectController implements Initializable {
+
+  private static final int MAX_ITEMS = 20;
+  private static final String RECENT_FILE = "RECENT_FILE_";
+
+  private final Preferences userPreferences = Preferences.userNodeForPackage(getClass());
+  private final ObservableList<String> recentFiles = FXCollections.observableArrayList();
+  private ExceptionRunnable launchMainApplication;
+
+  @FXML
+  private ListView<String> recentFilesListView;
+  @FXML
+  private Button newProjectButton;
+  @FXML
+  private CheckBox startMutedCheckBox;
+
+  @Override
+  public void initialize(URL url, ResourceBundle resourceBundle) {
+    for (int i = 0; i < MAX_ITEMS; i++) {
+      String path = userPreferences.get(RECENT_FILE + i, null);
+      if (path != null) {
+        recentFiles.add(path);
+      } else {
+        break;
+      }
+    }
+
+    recentFilesListView.setItems(recentFiles);
+
+    newProjectButton.setOnAction(e -> {
+      try {
+        launchMainApplication.run();
+      } catch (Exception ex) {
+        throw new RuntimeException(ex);
+      }
+    });
+  }
+
+  public void addRecentFile(String path) {
+    int index = recentFiles.indexOf(path);
+    if (index == -1) {
+      userPreferences.get(RECENT_FILE + recentFiles.size(),  path);
+      recentFiles.add(0, path);
+      if (recentFiles.size() > MAX_ITEMS) {
+        recentFiles.remove(recentFiles.size() - 1);
+      }
+    } else {
+      recentFiles.remove(index);
+      recentFiles.add(0, path);
+    }
+    resetRecentFiles();
+  }
+
+  private void resetRecentFiles() {
+    for (int i = 0; i < MAX_ITEMS; i++) {
+      userPreferences.remove(RECENT_FILE + i);
+    }
+
+    for (int i = 0; i < recentFiles.size(); i++) {
+      userPreferences.put(RECENT_FILE + i, recentFiles.get(i));
+    }
+  }
+
+  public void setApplicationLauncher(ExceptionRunnable launchMainApplication) {
+    this.launchMainApplication = launchMainApplication;
+  }
+}

src/main/resources/css/main.css

@@ -72,7 +72,7 @@
 }
 
 .titled-pane, .text {
-    -fx-font-size: 13;
+    -fx-font-size: 1em;
     -fx-font-smoothing-type: gray;
     -fx-text-fill: white;
 }
@@ -146,14 +146,45 @@
 }
 
 #frequency .text {
-    -fx-font-size: 20;
+    -fx-font-size: 1.5em;
 }
 
-#control-pane, .titled-pane, .pane, #frequencyPane {
+#control-pane, .titled-pane, .pane, .darkPane {
     -fx-background-color: darker_color;
     -fx-effect: dropshadow(three-pass-box, rgba(0,0,0,0.8), 10, 0, 0, 0);
 }
 
+.list-cell {
+    -fx-background-color: transparent;
+}
+.list-view {
+    -fx-background-color: very_dark;
+    -fx-border-width: 1px;
+    -fx-border-color: white;
+}
+
+.progress-indicator:indeterminate .segment {
+    -fx-background-color: white;
+}
+
+.progress-indicator:indeterminate {
+    -fx-border-width: 0;
+    -fx-background-color: transparent;
+}
+
+.progress-indicator:indeterminate > .spinner {
+    -fx-background-color: transparent;
+    -fx-background-insets: 0;
+    -fx-background-radius: 0;
+    -fx-border-width: 0;
+}
+
+.list-cell:filled:selected:focused, .list-cell:filled:hover {
+    -fx-background-color: grey_color;
+    -fx-text-fill: white;
+    -fx-cursor: hand;
+}
+
 .combo-box .list-cell
 {
     -fx-background: very_dark;
@@ -339,4 +370,8 @@
 .spinner .increment-arrow-button .increment-arrow,
 .spinner .decrement-arrow-button .decrement-arrow {
     -fx-background-color: white;
+}
+
+.label.title .text {
+    -fx-font-size: 1.5em;
 }

src/main/resources/fxml/main.fxml

@@ -212,7 +212,7 @@
    <TitledPane animated="false" collapsible="false" layoutX="7.0" layoutY="33.0" minHeight="371.0" minWidth="378.0" prefHeight="364.0" prefWidth="378.0" text="Main settings">
       <fx:include fx:id="general" source="general.fxml" />
    </TitledPane>
-   <AnchorPane fx:id="frequencyPane" layoutX="392.0" layoutY="692.0" prefHeight="53.0" prefWidth="610.0">
+   <AnchorPane fx:id="frequencyPane" layoutX="392.0" layoutY="692.0" prefHeight="53.0" prefWidth="610.0" styleClass="darkPane">
       <children>
          <fx:include fx:id="image" layoutX="34.0" source="image.fxml" />
       </children>

src/main/resources/fxml/projectSelect.fxml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.CheckBox?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.ListView?>
+<?import javafx.scene.image.Image?>
+<?import javafx.scene.image.ImageView?>
+<?import javafx.scene.layout.AnchorPane?>
+
+<AnchorPane prefHeight="752.0" prefWidth="1008.0" stylesheets="@../css/main.css" xmlns="http://javafx.com/javafx/17" xmlns:fx="http://javafx.com/fxml/1" fx:controller="sh.ball.gui.controller.ProjectSelectController">
+   <AnchorPane layoutX="11.0" layoutY="12.0" prefHeight="727.0" prefWidth="984.0" styleClass="darkPane">
+      <children>
+         <ImageView fitHeight="247.0" fitWidth="252.0" layoutX="372.0" layoutY="15.0" pickOnBounds="true" preserveRatio="true">
+            <image>
+               <Image url="@../images/osci.png" />
+            </image>
+         </ImageView>
+         <ListView fx:id="recentFilesListView" layoutX="238.0" layoutY="333.0" prefHeight="257.0" prefWidth="527.0" />
+         <Button fx:id="newProjectButton" layoutX="432.0" layoutY="609.0" mnemonicParsing="false" prefHeight="40.0" prefWidth="131.0" text="Start new project" />
+         <CheckBox fx:id="startMutedCheckBox" layoutX="450.0" layoutY="670.0" mnemonicParsing="false" text="Start muted" />
+         <Label layoutX="398.0" layoutY="294.0" styleClass="title" text="Recently opened projects" />
+         <Label layoutX="14.0" layoutY="700.0" text="v1.26.4" />
+      </children></AnchorPane>
+</AnchorPane>