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Implement Workflow OS with Micro-App Architecture #2

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21 changes: 21 additions & 0 deletions workflowos/apps/WelcomeApp.js
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export class WelcomeApp {
static title = "Welcome";

constructor(container) {
this.container = container;
this.render();
}

render() {
this.container.innerHTML = `
<h1>Welcome to Workflow OS!</h1>
<p>This is the first micro-app.</p>
`;
}

destroy() {
// Cleanup logic for the app
console.log("WelcomeApp destroyed.");
}
}
26 changes: 26 additions & 0 deletions workflowos/index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Workflow OS</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div id="os-container">
<div id="particle-container"></div>
<div id="ripple-container"></div>
<div id="desktop">
<div class="desktop-icon" data-app-id="welcome">
<span>Welcome</span>
</div>
<div class="desktop-icon" data-app-id="system-monitor">
<canvas id="systemMonitorIconCanvas" width="50" height="40"></canvas>
<span>System Monitor</span>
</div>
</div>
<div id="taskbar"></div>
</div>
<script src="main.js" type="module"></script>
</body>
</html>
180 changes: 180 additions & 0 deletions workflowos/main.js
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import { WelcomeApp } from './apps/WelcomeApp.js';

class WorkflowOS {
constructor() {
this.desktop = document.getElementById('desktop');
this.taskbar = document.getElementById('taskbar');
this.windows = new Map();
this.appRegistry = new Map();
this.nextZIndex = 100;

this.init();
}

init() {
this.registerApp('welcome', WelcomeApp);
this.setupDesktopIcons();
this.startSystemMonitorIcon();
this.setupCursorEffects();
}

setupDesktopIcons() {
const icons = document.querySelectorAll('.desktop-icon');
icons.forEach(icon => {
icon.addEventListener('dblclick', () => {
const appId = icon.dataset.appId;
this.launchApp(appId);
});
});
}

createWindow(appId, title) {
const windowId = `window-${appId}-${Date.now()}`;
const win = document.createElement('div');
win.className = 'window opening';
win.style.zIndex = this.nextZIndex++;
win.dataset.windowId = windowId;

win.innerHTML = `
<div class="window-header">
<span class="window-title">${title}</span>
<div class="window-controls">
<button class="close-btn">X</button>
</div>
</div>
<div class="window-content"></div>
`;

win.addEventListener('animationend', () => {
win.classList.remove('opening');
}, { once: true });

this.desktop.appendChild(win);
this.windows.set(windowId, { element: win, app: null });

this.setupWindowEvents(win);
return win;
}

setupWindowEvents(win) {
const header = win.querySelector('.window-header');

win.addEventListener('mousedown', () => this.focusWindow(win));

const closeBtn = win.querySelector('.close-btn');
closeBtn.addEventListener('click', (e) => {
e.stopPropagation();
this.closeWindow(win.dataset.windowId);
});

let isDragging = false;
let offset = { x: 0, y: 0 };

header.addEventListener('mousedown', (e) => {
isDragging = true;
offset.x = e.clientX - win.offsetLeft;
offset.y = e.clientY - win.offsetTop;
header.style.cursor = 'grabbing';
});

document.addEventListener('mousemove', (e) => {
if (!isDragging) return;
win.style.left = `${e.clientX - offset.x}px`;
win.style.top = `${e.clientY - offset.y}px`;
});

document.addEventListener('mouseup', () => {
isDragging = false;
header.style.cursor = 'grab';
});
}

focusWindow(win) {
win.style.zIndex = this.nextZIndex++;
}

closeWindow(windowId) {
const windowData = this.windows.get(windowId);
if (windowData) {
const win = windowData.element;
win.classList.add('closing');
win.addEventListener('animationend', () => {
if (windowData.app && typeof windowData.app.destroy === 'function') {
windowData.app.destroy();
}
win.remove();
this.windows.delete(windowId);
}, { once: true });
}
}

registerApp(appId, appClass) {
this.appRegistry.set(appId, appClass);
}

launchApp(appId) {
const AppClass = this.appRegistry.get(appId);
if (AppClass) {
const win = this.createWindow(appId, AppClass.title || 'Application');
const content = win.querySelector('.window-content');
const appInstance = new AppClass(content);
const windowId = win.dataset.windowId;
this.windows.get(windowId).app = appInstance;
} else {
console.error(`App ${appId} not found.`);
}
}

startSystemMonitorIcon() {
const canvas = document.getElementById('systemMonitorIconCanvas');
if (!canvas) return;
const ctx = canvas.getContext('2d');
const width = canvas.width;
const height = canvas.height;
let data = Array(width).fill(height);

function draw() {
data.shift();
data.push(height - Math.random() * height * 0.8);

ctx.clearRect(0, 0, width, height);
ctx.beginPath();
ctx.moveTo(0, data[0]);
for (let i = 1; i < width; i++) {
ctx.lineTo(i, data[i]);
}
ctx.strokeStyle = '#00ff00';
ctx.stroke();
}

setInterval(draw, 100);
}

setupCursorEffects() {
const particleContainer = document.getElementById('particle-container');
const rippleContainer = document.getElementById('ripple-container');

document.addEventListener('mousemove', e => {
const particle = document.createElement('div');
particle.className = 'particle';
particle.style.left = `${e.clientX}px`;
particle.style.top = `${e.clientY}px`;
particleContainer.appendChild(particle);
setTimeout(() => particle.remove(), 1000);
});

document.addEventListener('mousedown', e => {
const ripple = document.createElement('div');
ripple.className = 'ripple';
ripple.style.left = `${e.clientX - 10}px`;
ripple.style.top = `${e.clientY - 10}px`;
rippleContainer.appendChild(ripple);
setTimeout(() => ripple.remove(), 600);
});
}
}

window.addEventListener('load', () => {
window.os = new WorkflowOS();
});
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