109 lines
3.3 KiB
JavaScript
109 lines
3.3 KiB
JavaScript
"use strict";
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// Top-level state and UI manager
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globalThis.App = class App {
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// Object constructor
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constructor() {
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// Configure themes
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Bundle.get("app/theme/base.css").style();
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this.themes = {
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dark : Bundle.get("app/theme/dark.css" ).style(false),
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light : Bundle.get("app/theme/light.css" ).style(true ),
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virtual: Bundle.get("app/theme/virtual.css").style(false)
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};
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this.theme = this.themes["light"];
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// Produce toolkit instance
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this.gui = new Toolkit.Application();
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document.body.appendChild(this.gui.element);
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window.addEventListener("resize", ()=>{
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this.gui.element.style.height = window.innerHeight + "px";
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this.gui.element.style.width = window.innerWidth + "px";
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});
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// Configure locales
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this.gui.addLocale(Bundle.get("app/locale/en-US.js").toString());
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this.gui.setLocale(navigator.language);
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// Configure GUI
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this.gui.setSplitLayout("top", false);
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// Menu bar
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this.mainMenu = this.gui.newMenuBar({ name: "{menu._}" });
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this.gui.add(this.mainMenu);
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// File menu
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let menu = this.mainMenu.newMenu({ text: "{menu.file._}"});
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let item = menu.newMenuItem({ text: "{menu.file.loadROM}"});
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item.addClickListener(()=>this.loadROM());
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// Theme menu
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menu = this.mainMenu.newMenu({ text: "{menu.theme._}"});
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item = menu.newMenuItem({ text: "{menu.theme.light}"});
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item.addClickListener(()=>this.setTheme("light"));
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item = menu.newMenuItem({ text: "{menu.theme.dark}"});
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item.addClickListener(()=>this.setTheme("dark"));
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item = menu.newMenuItem({ text: "{menu.theme.virtual}"});
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item.addClickListener(()=>this.setTheme("virtual"));
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}
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///////////////////////////// Private Methods /////////////////////////////
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// Prompt the user to select a ROM file
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loadROM() {
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let file = document.createElement("input");
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file.type = "file";
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file.addEventListener("input", ()=>this.setROM(file.files[0]));
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file.click();
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}
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// Specify a ROM file
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async setROM(file) {
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// No file is specified (perhaps the user canceled)
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if (file == null)
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return;
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// Check the file's size
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if (
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file.size < 1024 ||
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file.size > 0x1000000 ||
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(file.size - 1 & file.size) != 0
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) {
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alert(this.gui.translate("{app.romNotVB}"));
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return;
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}
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// Load the file data into a byte buffer
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let filename = file.name;
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try { file = new Uint8Array(await file.arrayBuffer()); }
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catch {
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alert(this.gui.translate("{app.readFileError}"));
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return;
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}
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// Testing output pending further features
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alert(this.gui.translate("{app.romLoaded}", {
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filename: filename,
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size : file.length + " byte" + (file.length == 1 ? "" : "s")
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}));
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}
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// Specify the current color theme
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setTheme(key) {
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let theme = this.themes[key];
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if (theme == this.theme)
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return;
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let old = this.theme;
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this.theme = theme;
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theme.setEnabled(true);
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old.setEnabled(false);
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}
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};
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