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The React Tree View is a graphical user interface component that to represents hierarchical data in a tree structure. It provides great performance with its advanced features like load on demand, checkbox support, multiple selection, tree navigation, drag and drop, tree node editing, and template support.
Load on demand (lazy load) is enabled by default to reduce bandwidth usage when consuming large amounts of data. Only first-level nodes are loaded initially, and then child nodes are loaded when their parent node is expanded.
Bind data to the Tree View component from any valid data source in JSON format. The tree data can be local or remote and retrieved via various adapters, such as OData, OData V4, URL, JSON, and web API.
Tree View has a highly responsive layout and an optimized design for desktops, touchscreens, and phones. It works well on all mobile phones that use iOS, Android, or Windows OS.
The React Tree View supportsload on demand, bound and unbound modes, drag and drop, multiselection, and editing.
It can be customized vianode template support, which allows you to design a custom structure for tree nodes. Node templates can be used for parent nodes, child nodes, or both, and can include images and any custom element structure.
The React Tree View is a graphic user interface element that displays hierarchical data as a tree structure. It can be populated with nested arrays of JSON objects from a hierarchical data source.
Cutting-edge design with several built-in themes, such as Fluent, Tailwind CSS, Bootstrap, Material, and Fabric. Utilize theonline Theme Studio tool to customize themes of tree view easily.
Enable users from different locales to use the component by formatting dates, currency, and numbering to suit preferences.
Easily get started with the React Tree View using a few simple lines of TSX code as demonstrated below. Also explore ourReact Tree View Example that shows you how to render and configure the Tree View in React.
import * as React from 'react';import * as ReactDOM from 'react-dom';import { TreeViewComponent } from '@syncfusion/ej2-react-navigations';function App() { // define the array of data const hierarchicalData: { [key: string]: Object }[] = [ { id: '01', name: 'Local Disk (C:)', expanded: true, subChild: [ { id: '01-01', name: 'Program Files', subChild: [ { id: '01-01-01', name: '7-Zip' }, { id: '01-01-02', name: 'Git' }, { id: '01-01-03', name: 'IIS Express' }, ] }, { id: '01-02', name: 'Users', expanded: true, subChild: [ { id: '01-02-01', name: 'Smith' }, { id: '01-02-02', name: 'Public' }, { id: '01-02-03', name: 'Admin' }, ] }, { id: '01-03', name: 'Windows', subChild: [ { id: '01-03-01', name: 'Boot' }, { id: '01-03-02', name: 'FileManager' }, { id: '01-03-03', name: 'System32' }, ] }, ] }, { id: '02', name: 'Local Disk (D:)', subChild: [ { id: '02-01', name: 'Personals', subChild: [ { id: '02-01-01', name: 'My photo.png' }, { id: '02-01-02', name: 'Rental document.docx' }, { id: '02-01-03', name: 'Pay slip.pdf' }, ] }, { id: '02-02', name: 'Projects', subChild: [ { id: '02-02-01', name: 'ASP Application' }, { id: '02-02-02', name: 'TypeScript Application' }, { id: '02-02-03', name: 'React Application' }, ] }, { id: '02-03', name: 'Office', subChild: [ { id: '02-03-01', name: 'Work details.docx' }, { id: '02-03-02', name: 'Weekly report.docx' }, { id: '02-03-03', name: 'Wish list.csv' }, ] }, ] }, { id: '03', name: 'Local Disk (E:)', icon: 'folder', subChild: [ { id: '03-01', name: 'Pictures', subChild: [ { id: '03-01-01', name: 'Wind.jpg' }, { id: '03-01-02', name: 'Stone.jpg' }, { id: '03-01-03', name: 'Home.jpg' }, ] }, { id: '03-02', name: 'Documents', subChild: [ { id: '03-02-01', name: 'Environment Pollution.docx' }, { id: '03-02-02', name: 'Global Warming.ppt' }, { id: '03-02-03', name: 'Social Network.pdf' }, ] }, { id: '03-03', name: 'Study Materials', subChild: [ { id: '03-03-01', name: 'UI-Guide.pdf' }, { id: '03-03-02', name: 'Tutorials.zip' }, { id: '03-03-03', name: 'TypeScript.7z' }, ] }, ] } ]; const fields: Object = { dataSource: hierarchicalData, id: 'id', text: 'name', child: 'subChild' }; return ( // specifies the tag for render the TreeView component <TreeViewComponent fields={fields} /> );}const root = ReactDOM.createRoot(document.getElementById('root'));root.render(<App />);
Display nodes with labels and icons to present the content in a more readable format. This is helpful in making a typical directory tree and file system.
It provides built-in support for checkboxes, allowing users to select more than one item. The Tree View checkbox has a tri-state mode also, which is applicable only for parent nodes. In this mode, the parent node will go into the indeterminate state when the child nodes are partially checked.
Nodes can be dragged and dropped at all levels of the same Tree View.
Tree nodes can be dragged and dropped from one parent node to another within the same level or at different levels.
Extending the drop behavior allows users to drop tree nodes from one Tree View to another.
Drop tree nodes to any external container or component by extending the Tree View node drop action.
Allows users to select multiple nodes. When the drag-and-drop feature is enabled, all the selected nodes can be dragged at the same time.
Edit the tree nodes’ label text on the client side by double-clicking it. When editing Tree View nodes, the Tree View data source will also be updated with the modified data.
Render the Tree View nodes in the ascending or descending order based on the label text for improved readability.
The React Tree View component can be customized through its node template support, which allows defining a custom structure for tree nodes. You can use node templates specifically for parent nodes, child nodes, or both, and include images and any custom element structure.
Easily customize the expand and collapse icons based on the requirement of your application.
It supports tooltips for tree nodes that display information about the nodes while hovering over them. You can bind a tooltip from a data source along with node fields.
A context menu can be integrated with the React Tree View component to open when a node is right-clicked. The menu helps users perform node manipulations such as adding, removing, and renaming nodes.
A node’s text wraps when it reaches edge of the Tree View. The node’s height will be adjusted automatically based on the content.
It allows you to customize the tree nodes by level. For example, apply specific styles to leaf nodes, first child nodes, and second level nodes, etc.
You can add validation to the tree node’s text on editing like required, a minimum or maximum length, etc.
The React Tree View component ensures that every cell isaccessible using the keyboard. Major features like sort, select, and edit can be performed using keyboard commands alone; no mouse interaction is required. This helps in creating highly accessible applications using this component.
The React Tree View has complete WAI-ARIA accessibility support. The Data Grid UI includes high-contrast visual elements that help visually impaired people to have the best viewing experience. Also, valid UI descriptions are easily accessible through assistive technologies such as screen readers.
Right-to-left rendering allows displaying the text and layout of the Tree View from right to left. This improves the user experience and accessibility for RTL languages.
Tree View is also available in Blazor, Angular, JavaScript, and Vue frameworks. Explore its platform-specific options through the following links:
The React Tree View works well with all modern web browsers, including Chrome, Firefox, Edge, Safari, and Opera.
The Syncfusion React Tree View component supports the following features:
You can find ourReact Tree View demo, which demonstrates how to render and configure Tree View.
No, this is a commercial product and requires a paid license. However, afree community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue, 5 or fewer developers, and 10 or fewer total employees.
A good place to start would be our comprehensivegetting started documentation.
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