Added the initial application files.

.gitignore

@@ -0,0 +1,39 @@
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+.idea/
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

README.md

@@ -1,2 +1,5 @@
-# perfin
+# Perfin
-Personal accounting desktop app to track your finances.
+
+> *Per*sonal *Fin*ance
+
+Personal accounting desktop app to track your finances using common file formats.

pom.xml

@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.andrewlalis</groupId>
+    <artifactId>perfin</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <javafx.version>21.0.1</javafx.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.openjfx</groupId>
+            <artifactId>javafx-controls</artifactId>
+            <version>${javafx.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.openjfx</groupId>
+            <artifactId>javafx-fxml</artifactId>
+            <version>${javafx.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.xerial</groupId>
+            <artifactId>sqlite-jdbc</artifactId>
+            <version>3.44.1.0</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.openjfx</groupId>
+                <artifactId>javafx-maven-plugin</artifactId>
+                <version>0.0.8</version>
+                <configuration>
+                    <mainClass>com.andrewlalis.perfin.PerfinApp</mainClass>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/main/java/com/andrewlalis/perfin/PerfinApp.java

@@ -0,0 +1,49 @@
+package com.andrewlalis.perfin;
+
+import javafx.application.Application;
+import javafx.stage.Stage;
+import javafx.stage.StageStyle;
+
+public class PerfinApp extends Application {
+    public static void main(String[] args) {
+        launch(args);
+    }
+
+    @Override
+    public void start(Stage stage) {
+        initMainScreen(stage);
+        Stage splashStage = showStartupSplashScreen();
+        // Once the splash stage is hidden, show the main stage.
+        splashStage.showingProperty().not().addListener((v, old, hidden) -> {
+            if (hidden) {
+                showMainScreen(stage);
+            }
+        });
+    }
+
+    private void initMainScreen(Stage stage) {
+        stage.hide();
+        stage.setScene(SceneUtil.load("/main.fxml"));
+        stage.setTitle("Perfin");
+    }
+
+    private void showMainScreen(Stage stage) {
+        System.out.println("Showing the main application.");
+//        stage.setMaximized(true);
+        stage.show();
+    }
+
+    /**
+     * Shows a startup "splash" screen for a short time.
+     * @return The stage in which the splash screen is shown.
+     */
+    private Stage showStartupSplashScreen() {
+        Stage stage = new Stage();
+        stage.initStyle(StageStyle.UNDECORATED);
+        stage.setScene(SceneUtil.load("/startup-splash-screen.fxml"));
+        stage.setTitle("Loading");
+        stage.setResizable(false);
+        stage.show();
+        return stage;
+    }
+}

src/main/java/com/andrewlalis/perfin/SceneUtil.java

@@ -0,0 +1,37 @@
+package com.andrewlalis.perfin;
+
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Scene;
+
+import java.io.IOException;
+import java.io.UncheckedIOException;
+import java.net.URL;
+
+public class SceneUtil {
+    public static Scene load(String fxml, Object controller) {
+        FXMLLoader loader = new FXMLLoader(SceneUtil.class.getResource(fxml));
+        if (controller != null) {
+            if (loader.getController() != null) {
+                throw new IllegalStateException("Cannot set loader for resource " + fxml + " because it has declared one already.");
+            }
+            loader.setController(controller);
+        }
+        try {
+            return new Scene(loader.load());
+        } catch (IOException e) {
+            throw new UncheckedIOException(e);
+        }
+    }
+
+    public static Scene load(String fxml) {
+        return load(fxml, null);
+    }
+
+    public static void addStylesheets(Scene scene, String... resources) {
+        for (String resource : resources) {
+            URL url = SceneUtil.class.getResource(resource);
+            if (url == null) throw new RuntimeException("Could not load resource " + resource);
+            scene.getStylesheets().add(url.toExternalForm());
+        }
+    }
+}

src/main/java/com/andrewlalis/perfin/control/MainController.java

@@ -0,0 +1,10 @@
+package com.andrewlalis.perfin.control;
+
+import javafx.fxml.FXML;
+
+public class MainController {
+
+    @FXML
+    public void initialize() {
+    }
+}

src/main/java/com/andrewlalis/perfin/control/StartupSplashScreenController.java

@@ -0,0 +1,36 @@
+package com.andrewlalis.perfin.control;
+
+import javafx.application.Platform;
+import javafx.fxml.FXML;
+import javafx.scene.control.Label;
+import javafx.stage.Stage;
+
+public class StartupSplashScreenController {
+    @FXML
+    public Label content;
+
+    @FXML
+    public void initialize() {
+        content.setText("Loading Perfin...");
+        Thread.ofVirtual().start(() -> {
+            try {
+                Thread.sleep(1000);
+
+                Platform.runLater(() -> content.setText("Still loading..."));
+                Thread.sleep(1000);
+
+                Platform.runLater(() -> content.setText("Almost done..."));
+                Thread.sleep(1000);
+
+                Platform.runLater(() -> content.setText("Done!"));
+                Thread.sleep(500);
+
+                System.out.println("Closing splash screen...");
+                Stage stage = (Stage) content.getScene().getWindow();
+                Platform.runLater(stage::close);
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+        });
+    }
+}

src/main/java/module-info.java

@@ -0,0 +1,11 @@
+module com.andrewlalis.perfin {
+    requires javafx.base;
+    requires javafx.controls;
+    requires javafx.fxml;
+    requires javafx.graphics;
+
+    requires org.xerial.sqlitejdbc;
+
+    exports com.andrewlalis.perfin to javafx.graphics;
+    opens com.andrewlalis.perfin.control to javafx.fxml;
+}

src/main/resources/main.fxml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.layout.AnchorPane?>
+<AnchorPane xmlns="http://javafx.com/javafx"
+            xmlns:fx="http://javafx.com/fxml"
+            fx:controller="com.andrewlalis.perfin.control.MainController"
+            minWidth="600.0" minHeight="400.0"
+>
+    <Label>Main UI</Label>
+</AnchorPane>

src/main/resources/startup-splash-screen.fxml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.layout.AnchorPane?>
+
+<AnchorPane xmlns="http://javafx.com/javafx"
+            xmlns:fx="http://javafx.com/fxml"
+            fx:controller="com.andrewlalis.perfin.control.StartupSplashScreenController"
+            prefHeight="200" prefWidth="400">
+    <Label fx:id="content" wrapText="true"/>
+</AnchorPane>