Fixed virtual drive saving and loading

src/components/applications/file-explorer/FileExplorer.jsx

@@ -59,7 +59,7 @@ export function FileExplorer({ startPath }) {
 
 		if (directory) {
 			setCurrentDirectory(directory);
-			setPath(directory.path);
+			setPath(directory.root ? "/" : directory.path);
 		}
 	};
 
@@ -68,10 +68,16 @@ export function FileExplorer({ startPath }) {
 	};
 
 	const onKeyDown = (event) => {
-		const value = event.target.value;
+		let value = event.target.value;
 
 		if (event.key === "Enter") {
-			setCurrentDirectory(virtualRoot.navigate(value));
+			if (value === "")
+				value = "~";
+
+			const directory = virtualRoot.navigate(value);
+
+			setCurrentDirectory(directory);
+			setPath(directory.root ? "/" : directory.path);
 		}
 	};
 
@@ -139,6 +145,16 @@ export function FileExplorer({ startPath }) {
 					</button>
 				</div>
 				<div className={styles.Main}>
+					{currentDirectory?.getSubFolders(showHidden)?.map(({ name }, index) => 
+						<button key={index} tabIndex={0} className={styles["Folder-button"]}
+							onClick={() => {
+								changeDirectory(name);
+							}}
+						>
+							<FontAwesomeIcon icon={faFolder}/>
+							<p>{name}</p>
+						</button>
+					)}
 					{currentDirectory?.getFiles(showHidden)?.map((file, index) => 
 						<button key={index} tabIndex={0} className={styles["File-button"]}
 							onClick={(event) => {
@@ -150,16 +166,6 @@ export function FileExplorer({ startPath }) {
 							<p>{file.id}</p>
 						</button>
 					)}
-					{currentDirectory?.getSubFolders(showHidden)?.map(({ name }, index) => 
-						<button key={index} tabIndex={0} className={styles["Folder-button"]}
-							onClick={() => {
-								changeDirectory(name);
-							}}
-						>
-							<FontAwesomeIcon icon={faFolder}/>
-							<p>{name}</p>
-						</button>
-					)}
 				</div>
 			</div>
 		</div>

src/components/applications/settings/AppearanceSettings.jsx

@@ -4,6 +4,8 @@ import styles from "./Settings.module.css";
 import { useVirtualRoot } from "../../../hooks/virtual-drive/virtualRootContext.js";
 import { useSettingsManager } from "../../../hooks/settings/settingsManagerContext.js";
 
+const wallpapersPath = "~/Images/Wallpapers";
+
 export function AppearanceSettings() {
 	const virtualRoot = useVirtualRoot();
 	const settingsManager = useSettingsManager();
@@ -23,7 +25,7 @@ export function AppearanceSettings() {
 		<div className={styles["Option"]}>
 			<p className={styles["Label"]}>Wallpaper</p>
 			<div className={styles["Input"]}>
-				{virtualRoot.navigate("~/Images")?.getFiles()?.map(({ id, source }) =>
+				{virtualRoot.navigate(wallpapersPath)?.getFiles()?.toReversed().map(({ id, source }) =>
 					<label className={styles["Image-select"]} key={id}>
 						<input
 							type="radio"

src/components/desktop/Desktop.jsx

@@ -7,6 +7,7 @@ import { useModals } from "../../hooks/modals/modals.js";
 import { ModalsView } from "../modals/ModalsView.jsx";
 import { useWindowsManager } from "../../hooks/windows/windowsManagerContext.js";
 import { useContextMenu } from "../../hooks/modals/contextMenu.js";
+import { FALLBACK_WALLPAPER } from "../../constants/desktop.js";
 
 export const Desktop = memo(() => {
 	const settingsManager = useSettingsManager();
@@ -28,12 +29,20 @@ export const Desktop = memo(() => {
 		})();
 	}, [settingsManager]);
 
+	const onError = () => {
+		const settings = settingsManager.get(SettingsManager.VIRTUAL_PATHS.desktop);
+		settings.set("wallpaper", FALLBACK_WALLPAPER);
+	};
+
 	return (<>
 		<div
 			className={styles.Container}
-			style={{ backgroundImage: wallpaper ? `url(${wallpaper})` : null }}
 			onContextMenu={onContextMenu}
 		>
+			{wallpaper
+				? <img src={wallpaper} className={styles.Wallpaper} alt="Desktop wallpaper" onError={onError}/>
+				: null
+			}
 			<ModalsView modalsManager={modalsManager} modals={modals}/>
 		</div>
 	</>);

src/components/desktop/Desktop.module.css

@@ -5,6 +5,14 @@
 	width: 100%;
 	height: 100%;
 	z-index: -1;
-	background-size: cover;
-	background-position: center;
+}
+
+.Wallpaper {
+	position: absolute;
+	top: 0;
+	left: 0;
+	width: 100%;
+	height: 100%;
+	object-fit: cover;
+	pointer-events: none;
 }

src/constants/desktop.js

@@ -7,4 +7,6 @@ export const WALLPAPERS = [
 	"/media/wallpapers/vibrant-wallpaper-blue-purple-red.png",
 	"/media/wallpapers/vibrant-wallpaper-purple-yellow.png",
 	"/media/wallpapers/wave-abstract-wallpaper-teal.png",
-];
+];
+
+export const FALLBACK_WALLPAPER = WALLPAPERS[4];

src/features/storage/storageManager.js

@@ -6,6 +6,9 @@ export class StorageManager {
 	 * @param {string} value 
 	 */
 	static store(key, value) {
+		if (key == null || value == null)
+			return;
+
 		localStorage.setItem(key, value);
 	}
 
@@ -14,6 +17,9 @@ export class StorageManager {
 	 * @returns {string | null}
 	 */
 	static load(key) {
+		if (key == null)
+			return null;
+		
 		return localStorage.getItem(key);
 	}
 

src/features/virtual-drive/virtualBase.js

@@ -1,5 +1,4 @@
 import { EventEmitter } from "../utils/events.js";
-
 import { VirtualRoot } from "./virtualRoot.js";
 
 export class VirtualBase extends EventEmitter {
@@ -20,8 +19,12 @@ export class VirtualBase extends EventEmitter {
 	 * @returns {VirtualBase}
 	 */
 	setName(name) {
+		if (this.name === name || !this.canBeEdited)
+			return;
+
 		this.name = name;
-		this.getRoot().saveData();
+		
+		this.confirmChanges();
 		return this;
 	}
 
@@ -30,12 +33,13 @@ export class VirtualBase extends EventEmitter {
 	 * @returns {ThisType}
 	 */
 	setAlias(alias) {
-		if (this.alias === alias)
+		if (this.alias === alias || !this.canBeEdited)
 			return;
 
 		this.alias = alias;
 		this.getRoot().addShortcut(alias, this);
-		this.getRoot().saveData();
+
+		this.confirmChanges();
 		return this;
 	}
 
@@ -44,34 +48,92 @@ export class VirtualBase extends EventEmitter {
 	 * @returns {VirtualBase}
 	 */
 	setParent(parent) {
-		if (this.parent === parent)
+		if (this.parent === parent || !this.canBeEdited)
 			return;
 
 		this.parent = parent;
-		this.getRoot().saveData();
+
+		this.confirmChanges();
+		return this;
+	}
+
+	/**
+	 * @param {boolean} value 
+	 * @returns {VirtualBase}
+	 */
+	setProtected(value) {
+		if (!this.canBeEdited)
+			return;
+
+		this.isProtected = value;
 		return this;
 	}
 
 	delete() {
+		if (!this.canBeEdited)
+			return;
+
 		const parent = this.parent;
 
 		if (parent == null)
 			return;
 
 		parent.remove?.(this);
-		parent.getRoot()?.saveData();
+		this.confirmChanges(parent.getRoot());
+	}
+
+	/**
+	 * @param {VirtualRoot} [root] 
+	 */
+	confirmChanges(root = null) {
+		if (this.getRoot().loadedDefaultData)
+			this.editedByUser = true;
+
+		if (root == null)
+			root = this.getRoot();
+
+		root?.saveData();
 	}
 
 	open() {}
 
 	get path() {
-		return this.alias ?? this.absolutePath;
+		return this.alias ?? this.displayPath;
 	}
 
-	get absolutePath() {
+	/**
+	 * Returns path without using alias
+	 */
+	get displayPath() {
 		return this.parent?.path + "/" + this.id;
 	}
 
+	/**
+	 * Returns path without using any aliases
+	 * @returns {string}
+	 */
+	get absolutePath() {
+		if (this.parent?.isRoot) {
+			return "/" + this.id;
+		} else {
+			return this.parent?.absolutePath + "/" + this.id;
+		}
+	}
+
+	/**
+	 * Returns whether this can be edited in its current state
+	 * @returns {boolean}
+	 */
+	get canBeEdited() {
+		const isProtected = this.isProtected && this.getRoot().loadedDefaultData;
+
+		if (!isProtected && this.parent != null) {
+			return this.parent.canBeEdited;
+		} else {
+			return !isProtected;
+		}
+	}
+
 	/**
 	 * @returns {VirtualRoot}
 	 */
@@ -85,6 +147,9 @@ export class VirtualBase extends EventEmitter {
 		return root;
 	}
 
+	/**
+	 * @returns {object | null}
+	 */
 	toJSON() {
 		const object = {
 			nam: this.name

src/features/virtual-drive/virtualFile.js

@@ -35,15 +35,15 @@ export class VirtualFile extends VirtualBase {
 	 * @returns {VirtualFile}
 	 */
 	setSource(source) {
-		if (this.source === source)
+		if (this.source === source || !this.canBeEdited)
 			return;
 
 		this.source = source;
 		this.content = null;
 
 		this.emit(VirtualFile.EVENT_NAMES.CONTENT_CHANGE, this);
-		this.getRoot().saveData();
-		
+
+		this.confirmChanges();
 		return this;
 	}
 
@@ -53,15 +53,15 @@ export class VirtualFile extends VirtualBase {
 	 * @returns {VirtualFile}
 	 */
 	setContent(content) {
-		if (this.content === content)
+		if (this.content === content || !this.canBeEdited)
 			return;
 
 		this.content = content;
 		this.source = null;
 
 		this.emit(VirtualFile.EVENT_NAMES.CONTENT_CHANGE, this);
-		this.getRoot().saveData();
 
+		this.confirmChanges();
 		return this;
 	}
 
@@ -93,8 +93,18 @@ export class VirtualFile extends VirtualBase {
 		});
 	}
 
+	/**
+	 * @returns {object | null}
+	 */
 	toJSON() {
+		// Don't return file if it can't or hasn't been edited
+		if (!this.canBeEdited || (this.editedByUser == null || !this.editedByUser))
+			return null;
+
 		const object = super.toJSON();
+
+		if (object == null)
+			return null;
 		
 		if (this.extension != null) {
 			object.ext = this.extension;

src/features/virtual-drive/virtualFolder.js

@@ -97,6 +97,9 @@ export class VirtualFolder extends VirtualBase {
 	 * @returns {VirtualFolder}
 	 */
 	createFile(name, extension, callback) {
+		if (!this.canBeEdited)
+			return;
+
 		let newFile = this.findFile(name, extension);
 		if (newFile == null) {
 			newFile = new VirtualFile(name, extension);
@@ -104,7 +107,8 @@ export class VirtualFolder extends VirtualBase {
 			newFile.parent = this;
 		}
 		callback?.(newFile);
-		this.getRoot().saveData();
+
+		newFile.confirmChanges();
 		return this;
 	}
 
@@ -116,10 +120,14 @@ export class VirtualFolder extends VirtualBase {
 	 * @returns {VirtualFolder} 
 	 */
 	createFiles(files) {
+		if (!this.canBeEdited)
+			return;
+
 		files.forEach(({name, extension}) => {
 			this.createFile(name, extension);
 		});
-		this.getRoot().saveData();
+
+		this.confirmChanges();
 		return this;
 	}
 
@@ -135,6 +143,9 @@ export class VirtualFolder extends VirtualBase {
 	 * @param {createFolderCallback} callback
 	 */
 	createFolder(name, callback) {
+		if (!this.canBeEdited)
+			return;
+
 		let newFolder = this.findSubFolder(name);
 		if (newFolder == null) {
 			newFolder = new VirtualFolder(name);
@@ -142,7 +153,8 @@ export class VirtualFolder extends VirtualBase {
 			newFolder.parent = this;
 		}
 		callback?.(newFolder);
-		this.getRoot().saveData();
+		
+		newFolder.confirmChanges();
 		return this;
 	}
 
@@ -152,18 +164,25 @@ export class VirtualFolder extends VirtualBase {
 	 * @returns {VirtualFolder}
 	 */
 	createFolders(folders) {
+		if (!this.canBeEdited)
+			return;
+
 		folders.forEach((name) => {
 			this.createFolder(name);
 		});
-		this.getRoot().saveData();
+
+		this.confirmChanges();
 		return this;
 	}
 
 	/**
 	 * Removes a file or folder from this folder
-	 * @param {VirtualFile|VirtualFolder} child 
+	 * @param {VirtualFile | VirtualFolder} child 
 	 */
 	remove(child) {
+		if (!this.canBeEdited)
+			return;
+
 		child.parent = null;
 
 		if (child instanceof VirtualFile) {
@@ -172,13 +191,13 @@ export class VirtualFolder extends VirtualBase {
 			removeFromArray(child, this.subFolders);
 		}
 
-		this.getRoot()?.saveData();
+		child.confirmChanges();
 	}
 
 	/**
 	 * Returns the file or folder at a relative path or null if it doesn't exist
 	 * @param {string} relativePath 
-	 * @returns {VirtualFile|VirtualFolder|null}
+	 * @returns {VirtualFile | VirtualFolder | null}
 	 */
 	navigate(relativePath) {
 		const segments = relativePath.split("/");
@@ -231,16 +250,20 @@ export class VirtualFolder extends VirtualBase {
 	 * Deletes this folder and all its files and sub-folders recursively
 	 */
 	delete() {
+		if (!this.canBeEdited)
+			return;
+
 		super.delete();
 
 		this.files.concat(this.subFolders).forEach((item) => {
 			item.delete();
 		});
 
-		this.getRoot()?.saveData();
+		this.confirmChanges();
 	}
 
 	/**
+	 * Returns all files inside this folder
 	 * @param {Boolean=false} showHidden 
 	 * @returns {Array<VirtualFile>}
 	 */
@@ -254,6 +277,7 @@ export class VirtualFolder extends VirtualBase {
 	}
 
 	/**
+	 * Returns all subfolders inside this folder
 	 * @param {Boolean=false} showHidden 
 	 * @returns {Array<VirtualFolder>}
 	 */
@@ -266,16 +290,36 @@ export class VirtualFolder extends VirtualBase {
 		);
 	}
 
+	/**
+	 * @returns {object | null}
+	 */
 	toJSON() {
 		const object = super.toJSON();
 
+		if (object == null)
+			return null;
+
 		if (this.files.length > 0) {
-			object.fls = this.files.map((file) => file.toJSON());
+			const files = this.files
+				.map((file) => file.toJSON())
+				.filter((file) => file != null);
+
+			if (files.length > 0)
+				object.fls = files;
 		}
 		if (this.subFolders.length > 0) {
-			object.fds = this.subFolders.map((folder) => folder.toJSON());
+			const folders = this.subFolders
+				.map((folder) => folder.toJSON())
+				.filter((folder) => folder != null);
+
+			if (folders.length > 0)
+				object.fds = folders;
 		}
 
+		// Don't store folder if it's empty
+		if ((!object.fls || object.fls.length === 0) && (!object.fds || object.fds.length === 0))
+			return null;
+
 		return object;
 	}
 }

src/features/virtual-drive/virtualRoot.js

@@ -7,14 +7,16 @@ import { VirtualFolder } from "./virtualFolder.js";
  * A virtual folder that serves as the root folder
  */
 export class VirtualRoot extends VirtualFolder {
-	/**
-	 * @type {boolean}
-	 */
+	/** @type {boolean} */
 	initiated = false;
 
+	/** @type {boolean} */
+	loadedDefaultData = false;
+
 	constructor() {
 		super("root");
 		this.root = this;
+		this.isRoot = true;
 		this.shortcuts = {};
 	}
 
@@ -51,18 +53,21 @@ export class VirtualRoot extends VirtualFolder {
 						});
 					})
 					.createFolder("Images", (folder) => {
-						for (let i = 0; i < WALLPAPERS.length; i++) {
-							const source = WALLPAPERS[i];
-							folder.createFile(`Wallpaper${i + 1}`, "png", (file) => {
-								file.setSource(source);
-							});
-						}
+						folder.createFolder("Wallpapers", (folder) => {
+							folder.setProtected(true);
+							for (let i = 0; i < WALLPAPERS.length; i++) {
+								const source = WALLPAPERS[i];
+								folder.createFile(`Wallpaper${i + 1}`, "png", (file) => {
+									file.setSource(source);
+								});
+							}
+						});
 					})
 					.createFolder("Documents", (folder) => {
 						folder.createFile("text", "txt", (file) => {
 							file.setContent("Hello world!");
 						}).createFile("info", "md", (file) => {
-							file.setSource("/documents/info.md");
+							file.setProtected(true).setSource("/documents/info.md");
 						});
 					})
 					.createFolder("Desktop");
@@ -117,10 +122,10 @@ export class VirtualRoot extends VirtualFolder {
 
 		const addFolder = ({ nam: name, fds: folders, fls: files }, parent = this) => {
 			parent.createFolder(name, (folder) => {
-				if (Object.values(shortcuts).includes(folder.absolutePath)) {
+				if (Object.values(shortcuts).includes(folder.displayPath)) {
 					let alias;
 					for (const [key, value] of Object.entries(shortcuts)) {
-						if (value === folder.absolutePath)
+						if (value === folder.displayPath)
 							alias = key;
 					}
 					folder.setAlias(alias);
@@ -148,23 +153,40 @@ export class VirtualRoot extends VirtualFolder {
 				addFile(file);
 			});
 		}
-
-		console.log(this);
 	}
 
+	/**
+	 * Calls the storage manager's store function with this root's data as a string
+	 */
 	saveData() {
 		if (!this.initiated)
 			return;
 
-		StorageManager.store("data", this.toString());
+		const data = this.toString();
+
+		if (data == null)
+			return;
+
+		StorageManager.store("data", data);
 	}
 
+	/**
+	 * Initiates this root by loading the default data and then the user's data on top
+	 * @returns {VirtualRoot}
+	 */
 	init() {
 		this.initiated = false;
+
+		// Load default data
+		this.loadedDefaultData = false;
 		this.setAlias("/");
 		this.loadDefaultData();
+		this.loadedDefaultData = true;
+
+		// Load user's data
 		this.loadData();
 		this.initiated = true;
+
 		return this;
 	}
 
@@ -179,6 +201,9 @@ export class VirtualRoot extends VirtualFolder {
 		return this;
 	}
 
+	/**
+	 * Tells the storage manager to clear all data and reloads the window
+	 */
 	reset() {
 		if (window.confirm("Are you sure you want to reset all your data?")) {
 			StorageManager.clear();
@@ -202,13 +227,19 @@ export class VirtualRoot extends VirtualFolder {
 		return "";
 	}
 
-	get absolutePath() {
+	get displayPath() {
 		return "/";
 	}
 
+	/**
+	 * @returns {object | null}
+	 */
 	toJSON() {
 		const object = super.toJSON();
 
+		if (object == null)
+			return null;
+
 		if (Object.entries(this.shortcuts).length > 0) {
 			object.scs = {};
 
@@ -220,8 +251,15 @@ export class VirtualRoot extends VirtualFolder {
 		return object;
 	}
 
+	/**
+	 * @returns {string | null}
+	 */
 	toString() {
 		const json = this.toJSON();
+
+		if (json == null)
+			return null;
+
 		return JSON.stringify(json);
 	}
 }