Grouping in React ListView component

14 Apr 2021 / 1 minute to read

ListView supports to wrap the nested element into a group based on category.

The category of each list item can be mapped with groupBy field in the data table, which also supports single-level navigation.

In below sample, Cars are grouped based on its category using groupBy field.

Source

Preview

index.tsx

index.html

index.css

index.jsx

import * as React from 'react';
import * as ReactDOM from "react-dom";
import { ListViewComponent } from '@syncfusion/ej2-react-lists';

export default class App extends React.Component<{}, {}> {
  // define the array of Json
  private arts: { [key: string]: string }[] = [
    {
        'text': 'Audi A4',
        'id': '9bdb',
        'category': 'Audi'
    },
    {
        'text': 'Audi A5',
        'id': '4589',
        'category': 'Audi'
    },
    {
        'text': 'BMW 501',
        'id': 'f849',
        'category': 'BMW'
    },
    {
        'text': 'BMW 502',
        'id': '7aff',
        'category': 'BMW'
    }
  ];

  private fields = { groupBy: 'category', tooltip: 'text' };
  render() {
    return (
      // specifies the tag to render the ListView component
      <ListViewComponent id='list' dataSource={this.arts} fields={this.fields} ></ListViewComponent>
    );
  }
}

ReactDOM.render(<App />, document.getElementById('element'));

<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React ListView</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-lists/styles/material.css" rel="stylesheet" />
    <link href="index.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
    <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }
    </style>
</head>

<body>
    <div id='element' style="margin:0 auto; max-width:400px;">
        <div id='loader'>Loading....</div>
    </div>
</body>

</html>

#list {
  display: block;
  max-width: 400px;
  margin: auto;
  border: 1px solid #dddddd;
  border-radius: 3px;
}

import * as React from 'react';
import * as ReactDOM from "react-dom";
import { ListViewComponent } from '@syncfusion/ej2-react-lists';
export default class App extends React.Component {
    constructor() {
        super(...arguments);
        // define the array of Json
        this.arts = [
            {
                'text': 'Audi A4',
                'id': '9bdb',
                'category': 'Audi'
            },
            {
                'text': 'Audi A5',
                'id': '4589',
                'category': 'Audi'
            },
            {
                'text': 'BMW 501',
                'id': 'f849',
                'category': 'BMW'
            },
            {
                'text': 'BMW 502',
                'id': '7aff',
                'category': 'BMW'
            }
        ];
        this.fields = { groupBy: 'category', tooltip: 'text' };
    }
    render() {
        return (
        // specifies the tag to render the ListView component
        <ListViewComponent id='list' dataSource={this.arts} fields={this.fields}></ListViewComponent>);
    }
}
ReactDOM.render(<App />, document.getElementById('element'));

Customization

The grouping header can be customized by using groupTemplate property for both inline and fixed group header.