Features Overview
This guide provides a comprehensive overview of TimeLock's features and functionality, helping you understand what the application does and how users interact with it.
Table of Contents
- Application Overview
 - Core Features
 - User Interface
 - Data Management
 - Advanced Features
 - User Workflows
 - Technical Features
 
Application Overview
TimeLock is a comprehensive task management application designed for personal productivity. It combines project organization, task management, time planning, and calendar functionality in a single, intuitive interface.
Key Characteristics
- Project-based organization - Tasks are organized within projects
 - Hierarchical task structure - Support for subtasks and nested organization
 - Time-aware planning - Calendar integration and time blocking
 - Offline-first - Works without internet connection
 - Responsive design - Works on desktop, tablet, and mobile
 - Modern UI - Clean, intuitive interface with smooth animations
 
Core Features
1. Project Management
Create and organize projects to group related tasks:
interface Project {
  id: string;
  name: string;
  description?: string;
  color: string;        // Visual identification
  icon?: string;        // Emoji icon
  createdAt: Date;
  updatedAt: Date;
  isArchived: boolean;
  order: number;        // Custom ordering
}
Project Features:
- ✅ Create unlimited projects
 - ✅ Customize with colors and emoji icons
 - ✅ Archive completed projects
 - ✅ Reorder projects by drag-and-drop
 - ✅ Project statistics (total tasks, completed, overdue)
 
User Actions:
- Create new project with name, description, color, and icon
 - Edit project details
 - Archive/unarchive projects
 - Delete projects (with confirmation)
 - Switch between projects
 
2. Task Management
Comprehensive task system with rich metadata:
interface Todo {
  id: string;
  title: string;
  description?: string;
  completed: boolean;
  archived: boolean;
  priority: 'low' | 'medium' | 'high';
  dueDate?: Date;
  startDateTime?: Date;
  endDateTime?: Date;
  duration?: number;    // in minutes
  category?: string;
  parentId?: string;    // for subtasks
  projectId?: string;
  subtasks: Todo[];
  tags?: string[];
  isRecurring?: boolean;
  recurrencePattern?: RecurrencePattern;
}
Task Features:
- ✅ Create tasks with title and description
 - ✅ Set priority levels (low, medium, high)
 - ✅ Add due dates and time slots
 - ✅ Create unlimited subtasks
 - ✅ Add tags for categorization
 - ✅ Mark tasks as complete
 - ✅ Archive completed tasks
 - ✅ Drag-and-drop reordering
 
Task Actions:
- Create new tasks
 - Edit task details inline
 - Toggle completion status
 - Add/remove subtasks
 - Set due dates and times
 - Assign tags
 - Move tasks between projects
 - Delete tasks
 
3. Subtask System
Hierarchical task organization with nested subtasks:
Features:
- ✅ Unlimited nesting levels
 - ✅ Parent task completion tracking
 - ✅ Expand/collapse subtask views
 - ✅ Independent subtask management
 - ✅ Visual progress indicators
 
User Experience:
- Click "+" to add subtasks
 - Expand/collapse with arrow icons
 - Progress bars show completion percentage
 - Subtasks inherit parent project
 - Can be promoted to main tasks
 
4. Time Planning
Calendar and time-blocking functionality:
Features:
- ✅ Calendar view with task visualization
 - ✅ Time slot assignment for tasks
 - ✅ Duration-based planning
 - ✅ Auto-planning algorithm
 - ✅ Timetable view for daily planning
 
Time Planning Views:
- Calendar View - Monthly calendar with task dots
 - Timetable View - Daily schedule with time blocks
 - Upcoming View - Chronological list of upcoming tasks
 
5. Search and Filtering
Powerful search and filter system:
Search Features:
- ✅ Full-text search across tasks and projects
 - ✅ Search by title, description, and tags
 - ✅ Real-time search results
 - ✅ Search within specific projects
 
Filter Options:
- ✅ Filter by completion status (all, active, completed, archived)
 - ✅ Filter by priority level
 - ✅ Filter by due date ranges
 - ✅ Filter by tags
 - ✅ Combine multiple filters
 
Sort Options:
- ✅ Sort by creation date
 - ✅ Sort by priority
 - ✅ Sort by due date
 - ✅ Sort alphabetically
 - ✅ Custom manual ordering
 
6. Tag System
Flexible categorization with tags:
interface Tag {
  name: string;
  color: string;
  count?: number;
}
Tag Features:
- ✅ Create custom tags
 - ✅ Color-coded tags
 - ✅ Tag autocomplete
 - ✅ Tag usage statistics
 - ✅ Filter by tags
 
7. Recurring Tasks
Automated task repetition:
interface RecurrencePattern {
  type: 'daily' | 'weekly' | 'monthly';
  interval: number;
  endDate?: Date;
  maxOccurrences?: number;
}
Recurring Features:
- ✅ Daily, weekly, monthly patterns
 - ✅ Custom intervals (every N days/weeks/months)
 - ✅ End date or occurrence limits
 - ✅ Automatic task generation
 - ✅ Independent completion tracking
 
User Interface
Navigation Structure
App Layout:
├── Sidebar Navigation
│   ├── Search
│   ├── Upcoming
│   ├── Calendar
│   ├── Timetable
│   └── Projects List
└── Main Content Area
    └── Route-based Views
Responsive Design
Desktop (1024px+)
- Full sidebar always visible
 - Multi-column layouts
 - Drag-and-drop interactions
 - Keyboard shortcuts
 
Tablet (768px - 1023px)
- Collapsible sidebar
 - Adapted layouts
 - Touch-friendly interactions
 
Mobile (< 768px)
- Hidden sidebar with toggle
 - Single-column layouts
 - Touch-optimized controls
 - Swipe gestures
 
Visual Design
Color System:
- Primary: Blue (#3b82f6)
 - Success: Green (#10b981)
 - Warning: Yellow (#f59e0b)
 - Danger: Red (#ef4444)
 - Custom project colors
 
Typography:
- System font stack for performance
 - Clear hierarchy with font sizes
 - Readable contrast ratios
 
Animations:
- Smooth transitions (200-300ms)
 - Hover effects
 - Loading states
 - Micro-interactions
 
Data Management
Local Storage Strategy
IndexedDB for persistence:
- ✅ Offline-first architecture
 - ✅ Large storage capacity
 - ✅ Structured data storage
 - ✅ Asynchronous operations
 - ✅ Automatic data migration
 
Data Synchronization:
- All changes saved immediately
 - Optimistic updates for responsiveness
 - Error handling and retry logic
 - Data integrity checks
 
Import/Export
Data portability:
- ✅ Export all data to JSON
 - ✅ Import data from JSON files
 - ✅ Backup and restore functionality
 - ✅ Data validation on import
 
Advanced Features
1. Auto-Planning Algorithm
Intelligent task scheduling:
interface TimeSlot {
  start: Date;
  end: Date;
  available: boolean;
}
// Auto-plan tasks into available time slots
async autoPlanTasks(tasks: Todo[], timeSlots: TimeSlot[]): Promise<void>
Algorithm Features:
- ✅ Considers task priorities
 - ✅ Respects due dates
 - ✅ Accounts for task durations
 - ✅ Avoids scheduling conflicts
 - ✅ Optimizes for productivity patterns
 
2. Smart Notifications
Contextual user guidance:
- ✅ Overdue task alerts
 - ✅ Upcoming deadline warnings
 - ✅ Completion celebrations
 - ✅ Progress tracking
 
3. Keyboard Shortcuts
Power user efficiency:
- ✅ Quick task creation (Ctrl+N)
 - ✅ Search activation (Ctrl+K)
 - ✅ Navigation shortcuts
 - ✅ Bulk operations
 
4. Drag and Drop
Intuitive interactions:
- ✅ Reorder tasks and projects
 - ✅ Move tasks between projects
 - ✅ Reorganize subtasks
 - ✅ Visual feedback during operations
 
User Workflows
Getting Started Workflow
- 
First Launch
- Default "Personal Tasks" project created
 - Welcome message or onboarding
 - Sample tasks for demonstration
 
 - 
Basic Setup
- Create first custom project
 - Add initial tasks
 - Explore different views
 
 - 
Daily Usage
- Check upcoming tasks
 - Mark tasks as complete
 - Add new tasks as needed
 - Plan time blocks
 
 
Project Management Workflow
- 
Project Creation
Projects Page → Add Project → Fill Details → Save - 
Task Organization
Select Project → Add Tasks → Organize with Subtasks → Set Priorities - 
Project Completion
Complete All Tasks → Archive Project → Review Statistics 
Time Planning Workflow
- 
Calendar Planning
Calendar View → Select Date → Add Time Blocks → Assign Tasks - 
Daily Planning
Timetable View → Review Schedule → Adjust Time Slots → Execute Plan - 
Auto-Planning
Select Tasks → Choose Time Slots → Run Auto-Plan → Review Results 
Search and Organization Workflow
- 
Finding Tasks
Search Page → Enter Query → Apply Filters → Select Result - 
Bulk Organization
Filter Tasks → Select Multiple → Apply Tags → Update Properties 
Technical Features
Performance Optimizations
- ✅ Lazy loading - Routes loaded on demand
 - ✅ Signal-based reactivity - Efficient change detection
 - ✅ Virtual scrolling - Handle large task lists
 - ✅ Debounced search - Optimized search performance
 - ✅ Memoized computations - Cached derived state
 
Accessibility Features
- ✅ Keyboard navigation - Full keyboard accessibility
 - ✅ Screen reader support - ARIA labels and descriptions
 - ✅ High contrast mode - Accessible color schemes
 - ✅ Focus management - Clear focus indicators
 - ✅ Semantic HTML - Proper heading hierarchy
 
Browser Compatibility
- ✅ Modern browsers - Chrome, Firefox, Safari, Edge
 - ✅ Mobile browsers - iOS Safari, Chrome Mobile
 - ✅ Progressive enhancement - Graceful degradation
 - ✅ IndexedDB support - Required for data persistence
 
Security Features
- ✅ Client-side only - No server data transmission
 - ✅ Local data storage - Data never leaves device
 - ✅ Input sanitization - XSS protection
 - ✅ Content Security Policy - Additional security layer
 
Next Steps
To understand how these features are implemented:
- Explore the code - Code Structure
 - Learn development - Development Guide
 - Understand architecture - Project Architecture
 
Each feature demonstrates different Angular concepts and patterns, making TimeLock an excellent learning project for Angular development.