import React from 'react';
import { SelectBox } from 'devextreme-react/select-box';
import DataSource from 'devextreme/data/data_source';
import Group from './Group.js';
import { ungroupedData, pregroupedData } from './data.js';
const fromUngroupedData = new DataSource({
store: ungroupedData,
key: 'ID',
group: 'Category'
});
const fromPregroupedData = new DataSource({
store: pregroupedData,
map: function(item) {
item.key = item.Category;
item.items = item.Products;
return item;
}
});
class App extends React.Component {
render() {
return (
<div className="dx-fieldset">
<div className="dx-field">
<div className="dx-field-label">Data grouped in the DataSource</div>
<div className="dx-field-value">
<SelectBox
dataSource={fromUngroupedData}
valueExpr="ID"
grouped={true}
displayExpr="Name" />
</div>
</div>
<div className="dx-field">
<div className="dx-field-label">Pre-grouped data</div>
<div className="dx-field-value">
<SelectBox
dataSource={fromPregroupedData}
valueExpr="ID"
grouped={true}
displayExpr="Name" />
</div>
</div>
<div className="dx-field">
<div className="dx-field-label">Custom group template</div>
<div className="dx-field-value">
<SelectBox
dataSource={fromUngroupedData}
valueExpr="ID"
grouped={true}
displayExpr="Name"
groupRender={Group} />
</div>
</div>
</div>
);
}
}
export default App;
import React from 'react';
export default function Group({ key }) {
return (
<div className="custom-icon">
<span className="dx-icon-box icon"></span>{' '}
{key}
</div>
);
}
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.js';
ReactDOM.render(
<App />,
document.getElementById('app')
);
<!DOCTYPE html>
<html>
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.light.css" />
<link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.css" />
<link rel="stylesheet" type="text/css" href="styles.css" />
<script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<script type="text/javascript" src="config.js"></script>
<script type="text/javascript">
System.import('./index.js');
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="app"></div>
</div>
</body>
</html>
.custom-icon .icon {
font-size: 17px;
color: #f05b41;
margin-right: 2px;
}
export const ungroupedData = [{
'ID': 1,
'Name': 'HD Video Player',
'Category': 'Video Players'
}, {
'ID': 2,
'Name': 'SuperHD Player',
'Category': 'Video Players'
}, {
'ID': 3,
'Name': 'SuperPlasma 50',
'Category': 'Televisions'
}, {
'ID': 4,
'Name': 'SuperLED 50',
'Category': 'Televisions'
}, {
'ID': 5,
'Name': 'SuperLED 42',
'Category': 'Televisions'
}, {
'ID': 6,
'Name': 'SuperLCD 55',
'Category': 'Televisions'
}, {
'ID': 7,
'Name': 'SuperLCD 42',
'Category': 'Televisions'
}, {
'ID': 8,
'Name': 'SuperPlasma 65',
'Category': 'Televisions'
}, {
'ID': 9,
'Name': 'SuperLCD 70',
'Category': 'Televisions'
}, {
'ID': 10,
'Name': 'DesktopLED 21',
'Category': 'Monitors'
}, {
'ID': 11,
'Name': 'DesktopLED 19',
'Category': 'Monitors'
}, {
'ID': 12,
'Name': 'DesktopLCD 21',
'Category': 'Monitors'
}, {
'ID': 13,
'Name': 'DesktopLCD 19',
'Category': 'Monitors'
}, {
'ID': 14,
'Name': 'Projector Plus',
'Category': 'Projectors'
}, {
'ID': 15,
'Name': 'Projector PlusHD',
'Category': 'Projectors'
}, {
'ID': 16,
'Name': 'Projector PlusHT',
'Category': 'Projectors'
}, {
'ID': 17,
'Name': 'ExcelRemote IR',
'Category': 'Automation'
}, {
'ID': 18,
'Name': 'ExcelRemote BT',
'Category': 'Automation'
}, {
'ID': 19,
'Name': 'ExcelRemote IP',
'Category': 'Automation'
}];
export const pregroupedData = [{
'Category': 'Video Players',
'Products': [{
'ID': 1,
'Name': 'HD Video Player'
}, {
'ID': 2,
'Name': 'SuperHD Player'
}],
}, {
'Category': 'Televisions',
'Products': [{
'ID': 3,
'Name': 'SuperPlasma 50'
}, {
'ID': 4,
'Name': 'SuperLED 50'
}, {
'ID': 5,
'Name': 'SuperLED 42'
}, {
'ID': 6,
'Name': 'SuperLCD 55'
}, {
'ID': 7,
'Name': 'SuperLCD 42'
}, {
'ID': 8,
'Name': 'SuperPlasma 65'
}, {
'ID': 9,
'Name': 'SuperLCD 70'
}]
}, {
'Category': 'Monitors',
'Products': [{
'ID': 10,
'Name': 'DesktopLED 21'
}, {
'ID': 11,
'Name': 'DesktopLED 19'
}, {
'ID': 12,
'Name': 'DesktopLCD 21'
}, {
'ID': 13,
'Name': 'DesktopLCD 19'
}]
}, {
'Category': 'Projectors',
'Products': [{
'ID': 14,
'Name': 'Projector Plus'
}, {
'ID': 15,
'Name': 'Projector PlusHD'
}, {
'ID': 16,
'Name': 'Projector PlusHT'
}]
}, {
'Category': 'Automation',
'Products': [{
'ID': 17,
'Name': 'ExcelRemote IR'
}, {
'ID': 18,
'Name': 'ExcelRemote BT'
}, {
'ID': 19,
'Name': 'ExcelRemote IP'
}]
}];
System.config({
transpiler: 'plugin-babel',
paths: {
'npm:': 'https://unpkg.com/'
},
defaultExtension: 'js',
map: {
'react': 'npm:react@16/umd/react.development.js',
'react-dom': 'npm:react-dom@16/umd/react-dom.development.js',
'prop-types': 'npm:prop-types/prop-types.js',
'devextreme': 'npm:devextreme@19.2',
'devextreme-react': 'npm:devextreme-react@19.2',
'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js',
'quill': 'npm:quill@1.3.7/dist/quill.js',
'devexpress-diagram': 'npm:devexpress-diagram',
'devexpress-gantt': 'npm:devexpress-gantt',
// SystemJS plugins
'plugin-babel': 'npm:systemjs-plugin-babel@0/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel@0/systemjs-babel-browser.js'
},
packages: {
'devextreme': {
defaultExtension: 'js'
},
'devextreme-react': {
main: 'index.js'
}
},
babelOptions: {
sourceMaps: false,
stage0: true,
react: true
}
});