Drag and Drop in React || How to use React DnD in React || React Js
React DnD: A Complete Overview
code: https://github.com/AkajithAk/ReactUiY...
React DnD is a flexible and powerful drag-and-drop library designed specifically for React applications. It provides an API to implement complex drag-and-drop interactions while following React's component-based architecture.
Why Use React DnD?
Customizable Logic: Supports custom drag-and-drop logic, unlike browser's built-in drag-and-drop API.
React Integration: Built for React, making it easy to integrate into your components.
Scalable: Suitable for complex applications like dashboards, kanban boards, and file managers.
Accessibility & Performance: Designed with accessibility in mind while keeping performance optimal.
Core Concepts of React DnD
Items:
These are draggable objects.
Each item has a type, making it easier to identify during drag-and-drop operations.
Types:
Unique identifiers representing draggable item categories.
Used to ensure only compatible types are dropped onto specific targets.
Sources (useDrag):
Components that can be dragged.
They provide metadata about the dragged items.
Targets (useDrop):
Components where draggable items can be dropped.
They define what happens when an item is dropped.
Backend:
React DnD uses backends to manage how dragging events are handled.
The common backend is HTML5Backend, which works for web browsers.
Monitor:
Used to track drag-and-drop states such as whether an item is being dragged, its source, and target details.
Key Features
Drag Preview: Customize what users see while dragging items.
Drop Effects: Control how items react when dropped.
Hover State: Handle what happens when an item hovers over a target before dropping.
Multiple Backends: Supports multiple backends for different environments like touch devices.
Use Cases
Kanban Boards: Implement task management like Trello.
File Management Systems: Drag-and-drop files for uploads.
Data Sorting: Rearrange lists or tables interactively.
E-Commerce Applications: Implement shopping carts and product selectors.
Best Practices
Keep Components Simple: Divide drag-and-drop logic into smaller components.
Type Safety: Use unique types for different draggable items.
State Management: Use React's state management or external libraries to track changes.
Backend Selection: Use HTML5Backend for web and consider other backends for mobile compatibility.
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