added "recent files" functionality

src/Ation.js

@@ -13,6 +13,7 @@ const {parser}        = require("./Parser");
 
 app.commandLine.appendSwitch("disable-http-cache");
 
+const RECENT_FILES = 5;
 class Ation {
 	windowManager;
 	fontManager;
@@ -21,6 +22,7 @@ class Ation {
 	watcher;
 	currentFile;
 	fileToOpen;
+	recentFiles;
 
 	constructor() {
 		if (Ation.Instances > 0)
@@ -31,6 +33,7 @@ class Ation {
 		this.windowManager   = new WindowManager(this);
 		this.fontManager     = new FontManager();
 		this.settingsManager = new SettingsManager(this);
+		this.recentFiles     = this.settingsManager.get("recentFiles", []);
 		this.mainMenu        = new MainMenu(this);
 
 		ipcMain.handle("Ation::appVersion", () => AppInfo.version);
@@ -64,6 +67,23 @@ class Ation {
 		});
 	}
 
+	addRecentFile(filePath) {
+		if (this.recentFiles.includes(filePath)) {
+			const position = this.recentFiles.indexOf(filePath);
+
+			this.recentFiles.splice(position, 1),
+			this.recentFiles.push(filePath);
+		} else if (this.recentFiles.length < RECENT_FILES) {
+			this.recentFiles.push(filePath);
+		} else {
+			this.recentFiles.shift();
+			this.recentFiles.push(filePath);
+		}
+
+		this.settingsManager.set("recentFiles", this.recentFiles);
+		this.mainMenu.refresh();
+	}
+
 	async openFile(filePath = null, change = false) {
 			if (!this.windowManager.mainWindow)
 				return null;
@@ -99,8 +119,9 @@ class Ation {
 					else
 						this.openFile(this.currentFile, true);
 				});
-				Menu.getApplicationMenu().getMenuItemById("close-file").enabled = this.currentFile !== "";
 				this.windowManager.mainWindow.send("Ation::openFile", [basePath, data]);
+				this.addRecentFile(filePath);
+				Menu.getApplicationMenu().getMenuItemById("close-file").enabled = this.currentFile !== "";
 			} catch (error) {
 				console.log(error);
 				return;

src/MainMenu.js

@@ -1,14 +1,18 @@
 "use strict";
 
 const {Menu, app} = require("electron");
+const path        = require("path");
 
 class MainMenu {
 	constructor(parentApp) {
 		this.app  = parentApp;
 		this.menu = null;
+		this.refresh();
+	}
+
+	refresh() {
 		this.buildItems();
 		Menu.setApplicationMenu(this.menu);
-	
 	}
 
 	buildItems() {
@@ -53,9 +57,19 @@ class MainMenu {
 				role : "windowMenu"
 			}
 		];
+		template[1].submenu.push({
+			id      : "recent-files",
+			label   : "Recent files",
+			enabled : this.app.recentFiles.length > 0,
+			...(this.app.recentFiles.length > 0 ? {submenu : this.app.recentFiles.map(item => ({
+				label : path.basename(item),
+				click : () => this.app.openFile("" + item)
+			}))} : {}),
+		});
 
 		this.menu = Menu.buildFromTemplate(template);
 	}
+
 }
 
 module.exports = MainMenu;

src/SettingsManager.js

@@ -38,7 +38,7 @@ class SettingsManager {
 	}
 
 	change() {
-		this.app.windowManager.mainWindow.send("SettingsManager::change", this.data);
+		this.app.windowManager.mainWindow?.send("SettingsManager::change", this.data);
 	}
 
 	save() {