Radio Group
Documentation
The RadioGroup is a widget that contains a set of radio buttons and allows an end user to make a single selection from the set. This demo illustrates how to change the widget layout, define a custom template and handle the value change event.
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import React from 'react';
import { RadioGroup } from 'devextreme-react';
import { priorities, tasks } from './data.js';
class App extends React.Component {
constructor(props) {
super(props);
this.state = {
colorPriority: priorities[2],
selectionPriority: priorities[0]
};
this.changeColorPriority = this.changeColorPriority.bind(this);
this.changeSelectionPriority = this.changeSelectionPriority.bind(this);
}
render() {
return (
<div className="form">
<div className="dx-fieldset">
<div className="dx-field">
<div className="dx-field-label">Default mode</div>
<div className="dx-field-value">
<RadioGroup items={priorities} defaultValue={priorities[0]} />
</div>
</div>
<div className="dx-field">
<div className="dx-field-label">Disabled</div>
<div className="dx-field-value">
<RadioGroup items={priorities} defaultValue={priorities[1]} disabled={true} />
</div>
</div>
<div className="dx-field">
<div className="dx-field-label">Horizontal layout</div>
<div className="dx-field-value">
<RadioGroup items={priorities} defaultValue={priorities[0]} layout="horizontal" />
</div>
</div>
<div className="dx-field">
<div className="dx-field-label">Custom item template</div>
<div className="dx-field-value">
<RadioGroup className={this.state.colorPriority.toLowerCase()} items={priorities} value={this.state.colorPriority}
itemRender={renderCustomItem} onValueChanged={this.changeColorPriority} />
</div>
</div>
<div className="dx-field">
<div className="dx-field-label">Event handling</div>
<div className="dx-field-value">
<RadioGroup id="radio-group-with-selection" items={priorities} value={this.state.selectionPriority} onValueChanged={this.changeSelectionPriority} />
</div>
</div>
</div>
<div id="tasks-list">
Tasks by selected priority:
<ul id="list">
{tasks.filter(task => task.priority == this.state.selectionPriority).map(task => <li key={task.id}>{task.subject}</li>)}
</ul>
</div>
</div>
);
}
changeColorPriority(e) {
this.setState({
colorPriority: e.value
});
}
changeSelectionPriority(e) {
this.setState({
selectionPriority: e.value
});
}
}
function renderCustomItem(data) {
return <div>{data}</div>;
}
export default App;
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/19.2.5/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.5/css/dx.light.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>
.low .dx-radiobutton-checked .dx-radiobutton-icon .dx-radiobutton-icon-dot {
background: gray;
}
.normal .dx-radiobutton-checked .dx-radiobutton-icon .dx-radiobutton-icon-dot {
background: green;
}
.urgent .dx-radiobutton-checked .dx-radiobutton-icon .dx-radiobutton-icon-dot {
background: orange;
}
.high .dx-radiobutton-checked .dx-radiobutton-icon .dx-radiobutton-icon-dot {
background: red;
}
#radio-group-with-selection {
margin-bottom: 10px;
}
#tasks-list {
margin: 0 0 10px 10px;
white-space: normal;
}
#list {
margin: 10px 0 0 20px;
padding-left: 0;
text-align: left;
}
export const priorities = ['Low', 'Normal', 'Urgent', 'High'];
export const tasks = [{
id: 0,
subject: 'Choose between PPO and HMO Health Plan',
priority: 'High'
}, {
id: 1,
subject: 'Non-Compete Agreements',
priority: 'Low'
}, {
id: 2,
subject: 'Comment on Revenue Projections',
priority: 'Normal'
}, {
id: 3,
subject: 'Sign Updated NDA',
priority: 'Urgent'
}, {
id: 4,
subject: 'Submit Questions Regarding New NDA',
priority: 'High'
}, {
id: 5,
subject: 'Rollout of New Website and Marketing Brochures',
priority: 'High'
}];
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
}
});