Box
Documentation
The Box widget allows you to arrange various elements within it. Separate and adaptive, the Box widget acts as a building block for the layout. In this demo, you can see how the widget is used to layout different elements on a page.
Feel free to share demo-related thoughts here.
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If you have technical questions, please create a support ticket in the DevExpress Support Center.
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import React from 'react';
import Box, {
Item
} from 'devextreme-react/box';
class App extends React.Component {
render() {
return (
<React.Fragment>
<Box
direction={'row'}
width={'100%'}
height={75}>
<Item ratio={1}>
<div className={'rect demo-dark'}>
ratio = 1
</div>
</Item>
<Item ratio={2}>
<div className={'rect demo-light'}>
ratio = 2
</div>
</Item>
<Item ratio={1}>
<div className={'rect demo-dark'}>
ratio = 1
</div>
</Item>
</Box>
<br />
<Box
direction={'row'}
width={'100%'}
height={75}>
<Item
ratio={0}
baseSize={150}>
<div className={'rect demo-dark'}>
150px
</div>
</Item>
<Item
ratio={1}>
<Box
className={'demo-light'}
direction={'row'}
width={'100%'}
height={75}
align={'center'}
crossAlign={'center'}>
<Item
ratio={0}
baseSize={50}>
<div className={'small'}></div>
</Item>
<Item
ratio={0}
baseSize={50}>
<div className={'small'}></div>
</Item>
<Item
ratio={0}
baseSize={50}>
<div className={'small'}></div>
</Item>
</Box>
</Item>
<Item
ratio={0}
baseSize={'10%'}>
<div className={'rect demo-dark'}>
10%
</div>
</Item>
</Box>
<br />
<Box
direction={'col'}
width={'100%'}
height={250}>
<Item ratio={1}>
<div className={'rect demo-dark header'}>
Header
</div>
</Item>
<Item
ratio={2}
baseSize={0}>
<Box
direction={'row'}
width={'100%'}
height={125}>
<Item ratio={1}>
<div className={'rect demo-dark'}>
Left Bar
</div>
</Item>
<Item ratio={1}>
<div className={'rect demo-light'}>
Content
</div>
</Item>
<Item ratio={1}>
<div className={'rect demo-dark'}>
Right Bar
</div>
</Item>
</Box>
</Item>
<Item ratio={1}>
<div className={'rect demo-dark footer'}>
Footer
</div>
</Item>
</Box>
</React.Fragment>
);
}
}
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/19.1.7/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.1.7/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>
.rect {
text-align: center;
font-size: 30px;
padding-top: 10px;
height: 100%;
}
.demo-light {
background: rgba(245, 229, 166, 0.5)
}
.demo-dark {
background: rgba(148, 215, 199, 0.5);
}
.demo-dark.header {
background: rgba(243, 158, 108, 0.5);
}
.demo-dark.footer {
background: rgba(123, 155, 207, 0.5);
}
.small {
height: 50px;
border: 1px solid lightgray;
}
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@19.1',
'devextreme-react': 'npm:devextreme-react@19.1',
'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js',
'quill': 'npm:quill@1.3.7/dist/quill.js',
'devexpress-diagram': 'npm:devexpress-diagram',
// 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
}
});