Add JSON file loading and new resmut for storing it but nothing much yet

src/main.rs

@@ -1,22 +1,177 @@
-use bevy::prelude::*;
-use bevy_egui::{egui, EguiContexts, EguiPlugin, EguiPrimaryContextPass};
+use bevy::{
+    log::{Level, LogPlugin},
+    prelude::*,
+};
+
+use std::collections::HashMap;
+
+use serde::{Deserialize, Serialize};
+
+use bevy_egui::{
+    EguiContextSettings, EguiContexts, EguiPlugin, EguiPrimaryContextPass, EguiStartupSet, egui,
+};
+#[derive(Serialize, Deserialize)]
+struct JSONData {
+    tabs: Vec<String>,
+}
+
+#[derive(Resource)]
+struct FileData {
+    loaded_files: HashMap<String, Vec<String>>,
+    json_data: JSONData,
+}
 
 fn main() {
     App::new()
-        .add_plugins(DefaultPlugins)
+        .insert_resource(ClearColor(Color::BLACK))
+        .add_plugins(
+            DefaultPlugins
+                .set(LogPlugin {
+                    filter: "warn,ui=info".to_string(),
+                    level: Level::INFO,
+                    ..Default::default()
+                })
+                .set(WindowPlugin {
+                    primary_window: Some(Window {
+                        // You may want this set to `true` if you need virtual keyboard work in mobile browsers.
+                        prevent_default_event_handling: false,
+                        ..default()
+                    }),
+                    ..default()
+                }),
+        )
         .add_plugins(EguiPlugin::default())
-        .add_systems(Startup, setup_camera_system)
-        .add_systems(EguiPrimaryContextPass, ui_example_system)
+        .insert_resource(FileData {
+            loaded_files: HashMap::new(),
+            json_data: JSONData { tabs: Vec::new() },
+        })
+        .add_systems(
+            PreStartup,
+            setup_camera_system.before(EguiStartupSet::InitContexts),
+        )
+        .add_systems(Startup, load_json_system)
+        .add_systems(
+            EguiPrimaryContextPass,
+            (ui_system, update_ui_scale_factor_system),
+        )
         .run();
 }
 
+fn load_json_system(mut file_data: ResMut<FileData>) {
+    if std::fs::exists("data.json").expect("Failed to check existence of JSON file") {
+        let data = std::fs::read_to_string("data.json").expect("Failed to read JSON");
+        file_data.json_data = serde_json::from_str(&data).expect("Failed to load JSON");
+
+        let tabs = file_data.json_data.tabs.clone();
+        file_data.loaded_files.clear();
+
+        for tab in tabs {
+            file_data.loaded_files.insert(tab.clone(), Vec::new());
+            if std::fs::exists(tab.clone()).expect("Failed to check existence of tab directory.") {
+                file_data.loaded_files.insert(
+                    tab.clone(),
+                    std::fs::read_dir(tab)
+                        .expect("Failed to read directory")
+                        .filter_map(|entry| {
+                            entry.ok().and_then(|e| {
+                                let path = e.path();
+                                if path.is_file() {
+                                    path.to_str().map(|s| s.to_string())
+                                } else {
+                                    None
+                                }
+                            })
+                        })
+                        .collect(),
+                );
+            }
+        }
+    }
+}
+
 fn setup_camera_system(mut commands: Commands) {
     commands.spawn(Camera2d);
 }
 
-fn ui_example_system(mut contexts: EguiContexts) -> Result {
-    egui::Window::new("Hello").show(contexts.ctx_mut()?, |ui| {
-        ui.label("world");
+fn update_ui_scale_factor_system(
+    keyboard_input: Res<ButtonInput<KeyCode>>,
+    mut toggle_scale_factor: Local<Option<bool>>,
+    egui_context: Single<(&mut EguiContextSettings, &Camera)>,
+) {
+    let (mut egui_settings, camera) = egui_context.into_inner();
+    if keyboard_input.just_pressed(KeyCode::Slash) || toggle_scale_factor.is_none() {
+        *toggle_scale_factor = Some(!toggle_scale_factor.unwrap_or(true));
+
+        let scale_factor = if toggle_scale_factor.unwrap() {
+            1.0
+        } else {
+            1.0 / camera.target_scaling_factor().unwrap_or(1.0)
+        };
+        egui_settings.scale_factor = scale_factor;
+    }
+}
+
+fn ui_system(mut contexts: EguiContexts, mut file_data: ResMut<FileData>) -> Result {
+    let ctx = contexts.ctx_mut()?;
+
+    egui::TopBottomPanel::top("top_panel").show(ctx, |ui| {
+        ui.heading("csd4ni3l Soundboard");
     });
+
+    egui::CentralPanel::default().show(ctx, |ui| {
+        ui.label("The app!");
+    });
+
+    egui::SidePanel::right("tools").show(ctx, |ui| {
+        ui.heading("Tools");
+
+        ui.separator();
+
+        if ui
+            .add_sized(
+                [ui.available_width(), 40.0],
+                egui::Button::new("Add folder"),
+            )
+            .clicked()
+        {
+            if let Some(folder) = rfd::FileDialog::new().pick_folder() {
+                if let Some(path_str) = folder.to_str() {
+                    println!("Selected: {}", path_str);
+                    file_data.json_data.tabs.push(path_str.to_string());
+                    std::fs::write(
+                        "data.json",
+                        serde_json::to_string(&file_data.json_data)
+                            .expect("Could not convert JSON to string"),
+                    )
+                    .expect("Could not write to JSON file");
+                    load_json_system(file_data);
+                } else {
+                    println!("Invalid path encoding!");
+                }
+            }
+        }
+
+        if ui
+            .add_sized(
+                [ui.available_width(), 40.0],
+                egui::Button::new("Reload content"),
+            )
+            .clicked()
+        {
+            load_json_system(file_data);
+            println!("Reloaded content");
+        }
+
+        if ui
+            .add_sized(
+                [ui.available_width(), 40.0],
+                egui::Button::new("Youtube downloader"),
+            )
+            .clicked()
+        {
+            println!("Youtube downloader!");
+        }
+    });
+
     Ok(())
-}
+}