import React, { useCallback, useState } from 'react';
import { Button } from 'devextreme-react/button';
import { LoadIndicator } from 'devextreme-react/load-indicator';
export default function App() {
const [loadIndicatorVisible, setLoadIndicatorVisible] = useState(false);
const [buttonText, setButtonText] = useState('Send');
const handleClick = useCallback(() => {
setLoadIndicatorVisible(true);
setButtonText('Sending');
setTimeout(() => {
setLoadIndicatorVisible(false);
setButtonText('Send');
}, 2000);
}, [setLoadIndicatorVisible, setButtonText]);
return (
<div className="form">
<div className="label">Custom size</div>
<div className="indicators">
<LoadIndicator id="small-indicator" height={20} width={20} />
<LoadIndicator id="medium-indicator" height={40} width={40} />
<LoadIndicator id="large-indicator" height={60} width={60} />
</div>
<div className="label">Custom image</div>
<LoadIndicator id="image-indicator" indicatorSrc="../../../../images/Loading.gif" />
<div className="label">Using with other widgets</div>
<Button
id="button"
width={180}
height={40}
onClick={handleClick}
>
<LoadIndicator className="button-indicator" visible={loadIndicatorVisible} />
<span className="dx-button-text">{buttonText}</span>
</Button>
</div>
);
}
import React, { useCallback, useState } from 'react';
import { Button } from 'devextreme-react/button';
import { LoadIndicator } from 'devextreme-react/load-indicator';
export default function App() {
const [loadIndicatorVisible, setLoadIndicatorVisible] = useState(false);
const [buttonText, setButtonText] = useState('Send');
const handleClick = useCallback(() => {
setLoadIndicatorVisible(true);
setButtonText('Sending');
setTimeout(() => {
setLoadIndicatorVisible(false);
setButtonText('Send');
}, 2000);
}, [setLoadIndicatorVisible, setButtonText]);
return (
<div className="form">
<div className="label">Custom size</div>
<div className="indicators">
<LoadIndicator
id="small-indicator"
height={20}
width={20}
/>
<LoadIndicator
id="medium-indicator"
height={40}
width={40}
/>
<LoadIndicator
id="large-indicator"
height={60}
width={60}
/>
</div>
<div className="label">Custom image</div>
<LoadIndicator
id="image-indicator"
indicatorSrc="../../../../images/Loading.gif"
/>
<div className="label">Using with other widgets</div>
<Button
id="button"
width={180}
height={40}
onClick={handleClick}
>
<LoadIndicator
className="button-indicator"
visible={loadIndicatorVisible}
/>
<span className="dx-button-text">{buttonText}</span>
</Button>
</div>
);
}
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.tsx';
ReactDOM.render(
<App />,
document.getElementById('app'),
);
window.exports = window.exports || {};
window.config = {
transpiler: 'ts',
typescriptOptions: {
module: 'system',
emitDecoratorMetadata: true,
experimentalDecorators: true,
jsx: 'react',
},
meta: {
'react': {
'esModule': true,
},
'typescript': {
'exports': 'ts',
},
'devextreme/time_zone_utils.js': {
'esModule': true,
},
'devextreme/localization.js': {
'esModule': true,
},
'devextreme/viz/palette.js': {
'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
},
defaultExtension: 'js',
map: {
'ts': 'npm:plugin-typescript@4.2.4/lib/plugin.js',
'typescript': 'npm:typescript@4.2.4/lib/typescript.js',
'react': 'npm:react@17.0.2/umd/react.development.js',
'react-dom': 'npm:react-dom@17.0.2/umd/react-dom.development.js',
'prop-types': 'npm:prop-types@15.8.1/prop-types.js',
'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.28.1/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@24.1.6/cjs',
'devextreme-react': 'npm:devextreme-react@24.1.6/cjs',
'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.2.11/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.56/dist/dx-gantt.js',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.13',
'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js',
'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js',
'inferno-create-element': 'npm:inferno-create-element@7.4.11/dist/inferno-create-element.min.js',
'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js',
'inferno-hydrate': 'npm:inferno-hydrate@7.4.11/dist/inferno-hydrate.min.js',
'inferno-clone-vnode': 'npm:inferno-clone-vnode/dist/inferno-clone-vnode.min.js',
'inferno-create-class': 'npm:inferno-create-class/dist/inferno-create-class.min.js',
'inferno-extras': 'npm:inferno-extras/dist/inferno-extras.min.js',
'devextreme-cldr-data': 'npm:devextreme-cldr-data@1.0.3',
// SystemJS plugins
'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js',
// Prettier
'prettier/standalone': 'npm:prettier@2.8.8/standalone.js',
'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.js',
},
packages: {
'devextreme': {
defaultExtension: 'js',
},
'devextreme-react': {
main: 'index.js',
},
'devextreme/events/utils': {
main: 'index',
},
'devextreme/localization/messages': {
format: 'json',
defaultExtension: 'json',
},
'devextreme/events': {
main: 'index',
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js',
},
},
packageConfigPaths: [
'npm:@devextreme/*/package.json',
'npm:@devextreme/runtime@3.0.13/inferno/package.json',
],
babelOptions: {
sourceMaps: false,
stage0: true,
react: true,
},
};
System.config(window.config);
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.js';
ReactDOM.render(<App />, document.getElementById('app'));
<!DOCTYPE html>
<html lang="en">
<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=5.0" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/24.1.6/css/dx.light.css" />
<link rel="stylesheet" type="text/css" href="styles.css" />
<script src="https://unpkg.com/core-js@2.6.12/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.tsx");
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="app"></div>
</div>
</body>
</html>
.form {
padding: 10px 0 0 10px;
}
.label {
margin-bottom: 10px;
font-size: 16px;
}
.label:not(:first-child) {
margin-top: 30px;
}
#small-indicator,
#medium-indicator,
#large-indicator {
vertical-align: middle;
margin-right: 10px;
}
#button,
#button .dx-button-content {
padding: 0;
}
#button .button-indicator {
height: 32px;
width: 32px;
display: inline-block;
vertical-align: middle;
margin-right: 5px;
}
.indicators {
display: flex;
align-items: center;
}