Interactive Calendar & Task Management

Interactive Calendar & Task Management Application

All-in-One Calendar and To-Do List for Enhanced Productivity

This modern, JavaScript-based web application seamlessly combines a full-featured interactive calendar with a robust task management system. Built using vanilla JavaScript and powered by the FullCalendar library, this tool is ideal for organizing tasks, managing schedules, and boosting productivity through an intuitive and responsive user interface.

Core Features

📝 Task Management System

• Complete CRUD Functionality: Add, edit, delete tasks with ease.
• Task Properties: Each task supports a title, description, date, time, priority level, color coding, and reminder settings.
• Priority Levels: Visual indicators for high, medium, and low-priority tasks.
• Color Coding: Custom colors for different task categories.
• Task Status Management: Clearly mark tasks as completed or pending with immediate visual feedback.

📆 Interactive Calendar Integration

• FullCalendar Integration: Uses FullCalendar.js for a polished, professional calendar experience.
• Multiple Views: Easily switch between month, week, and list views.
• Drag & Drop Support: Effortlessly move tasks between dates using drag & drop.
• Dynamic Event Management: Instantly update calendar entries by dragging or modifying events.
• Visual Integration: Tasks appear as color-coded events within the calendar for easy recognition.

🔍 Advanced Filtering System

• Filter Options: View all tasks, only pending tasks, or only completed tasks.
• Dynamic Rendering: The task list updates instantly based on selected filters.
• Empty States: Informative messages when no tasks match the current filter selection.

⏰ Reminder System

• Flexible Reminders: Set alerts for 15, 30, or 60 minutes before due time.
• Browser Notifications: Visual notifications for reminders directly in the browser.
• Auto-Dismiss: Notifications auto-hide after 10 seconds.
• Persistent Reminders: Reminders remain active across sessions until dismissed or completed.

🖥️ User Interface & Experience

• Modern Modals: Clean and focused interfaces for adding/editing tasks.
• Responsive Design: Optimized for desktop, tablet, and mobile devices.
• Keyboard Shortcuts:
  • Ctrl + N: Add new task
  • Escape: Close modal
• Intuitive Drag & Drop: Simplifies task rescheduling and organization.
• Visual Indicators: Clearly highlight overdue tasks, today’s tasks, and completion status.

💾 Data Persistence

• Local Storage: Saves all tasks to the browser’s localStorage for persistence.
• Session Persistence: Tasks are retained even after refreshing the browser.
• No Backend Required: Fully client-side, exportable as JSON for backup or sharing.

🚨 Error Handling & UX Enhancements

• Graceful Degradation: Fallbacks in case of FullCalendar load failures.
• Input Validation: Required fields ensure clean, complete data.
• Confirmation Dialogs: Safeguard against accidental deletions or changes.
• Loading Indicators: Professional feedback during task operations.

🧪 Demo & Additional Features

• Sample Data: Includes preloaded example tasks for demonstration purposes.
• Real-Time Updates: Calendar and task list stay perfectly in sync.
• Interactive Feedback: Hover effects and dynamic UI responses for an enhanced experience.

Technical Architecture

• Class-Based Structure: The InteractiveCalendar class serves as the main controller.
• Modern JavaScript Principles:
  • Event-driven architecture
  • Modular, organized methods for clear separation of concerns
  • Robust error handling with graceful fallbacks
  • Local storage for lightweight, persistent data management
• Key External Libraries:
  • FullCalendar.js for calendar interface
  • Font Awesome for icons

Core Methods:

• initializeCalendar(): Initializes the FullCalendar instance.
• addTask() / updateTask() / deleteTask(): Core task management actions.
• renderTaskList(): Dynamically updates the task list display.
• setupTaskReminder(): Manages reminders and browser notifications.
• handleTaskDrop(): Processes drag-and-drop interactions.
• saveTasks() / loadTasks(): Handles data persistence operations.

Why Choose This Application?

✅ Comprehensive Solution combining both calendar and task management in one tool.
✅ User-Friendly & Visual interface for streamlined productivity.
✅ Fully Client-Side: Simple to deploy, no server infrastructure required.
✅ Ideal For: Personal productivity, small business scheduling, and lightweight project management.