1. تعارف
آئی ٹی درسگاہ سرٹیفائیڈ فرنٹ اینڈ ڈویلپر (ITDCFeD) پروگرام کے دسویں ہفتے میں خوش آمدید۔ اس Week #10 میں modern file management dashboard بنایا جائے گا جو 4 advanced features combine کرتا ہے:
Drag & Drop Upload (visual feedback + file processing)
Real-time Search (client-side filtering)
Infinite Scroll ("Load More" pagination)
File Preview Modal (image thumbnails + metadata)
یہ Dropbox/Google Drive جیسے production apps کا core functionality ہے۔
2. اس لیکچر / پروجیکٹ کے اہداف
Week #10 کے اختتام تک آپ:
HTML5 Drag & Drop API (
dragover,drop,dataTransfer.files)FileReader API (
URL.createObjectURL()for previews)Infinite Scroll Logic (currentPage × filesPerPage slicing)
Real-time Filtering (search + category + recent files)
File Metadata (size formatting, date parsing, type detection)
Performance Optimization (lazy loading + efficient re-rendering)
3. Live Demo اور Source Code (CodePen)
🔗 Live Demo + Source Code (CodePen):
https://codepen.io/mmshahid73/pen/ZYOvNNK
استعمال کا طریقہ:
Drag images/PDFs upload area میں → visual dragover effect
Click "click کریں" → file browser
Search → real-time filtering
Filter dropdown → type/recent files
Load More → infinite scroll pagination
File Click → preview modal + metadata
4. پروجیکٹ کی ساخت – Technical Breakdown
4.1 HTML – Dashboard Layout
textUpload Area → File Input (hidden) + Stats Controls → Search Input + Filter Select Files Grid → CSS Grid (auto-fill responsive) Load More → Pagination trigger Preview Modal → Image viewer + file info
4.2 CSS – Modern File Manager Design
text✅ Dragover State: border green + scale(1.02) + gradient ✅ File Cards: Hover lift + thumbnail backgrounds ✅ Responsive Grid: minmax(280px, 1fr) auto-fill ✅ Modal Glassmorphism: backdrop-filter + scale animation ✅ Type Badges: PDF(📄), Image colors ✅ Mobile: Stacked controls + smaller cards
4.3 JavaScript – Advanced File Logic
text1. Drag Events: dragover/dragleave/drop + classList.toggle('dragover') 2. File Processing: FileReader + URL.createObjectURL() previews 3. Infinite Scroll: currentPage * filesPerPage slicing 4. Filtering: searchTerm + filterType + isRecent() logic 5. State Management: allFiles[], displayedFiles[], currentPage 6. Metadata: formatFileSize() + date formatting
5. Week #10 اسائنمنٹ / Homework
لازمی کام:
CodePen Fork کریں: https://codepen.io/mmshahid73/pen/ZYOvNNK
3 نئی File Types support کریں (video, audio, documents)
File Actions add کریں (Delete, Download, Share buttons)
Advanced Search (date range + size filter)
Upload Progress bar implement کریں
Forum Share: CodePen + 3 real files upload + screenshots
Bonus Challenges:
text- LocalStorage persistence (files save کریں) - File sorting (name, size, date) - Bulk select + delete - Folder support (subdirectories) - Real server upload (FormData + fetch)
6. Production Applications + Portfolio Value
Industry-Standard Features:
✅ Cloud Storage (Dropbox, Google Drive)
✅ Media Galleries (WordPress, portfolios)
✅ Document Management (admin panels)
✅ E-learning (assignment uploads)
✅ SaaS Products (file management)
Week #1-10 Portfolio: Complete Professional Frontend Developer!
7. اختتامی پیغام
Week #10 کا یہ Drag & Drop File Manager آپ کو enterprise-grade file handling سکھا دیتا ہے جو Google, Dropbox, AWS جیسے platforms استعمال کرتے ہیں۔ اب fork کریں، video support add کریں، progress bars بنائیں، اور فورم پر share کر کے ITDCFeD intermediate certification track مکمل کریں!

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