Slider
Documentation
The Slider is a UI component that allows a user to set a numeric value on a continuous range of possible values. Range boundaries of the Slider are specified by the min and max properties. This demo illustrates how to customize the component appearance and how to handle the value change event.
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import React from 'react';
import { Slider } from 'devextreme-react/slider';
import { NumberBox } from 'devextreme-react/number-box';
class App extends React.Component {
constructor(props) {
super(props);
this.state = { sliderValue: 10 };
this.setSliderValue = this.setSliderValue.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">
<Slider min={0} max={100} defaultValue={90} />
</div>
</div>
<div className="dx-field custom-height-slider">
<div className="dx-field-label">With labels</div>
<div className="dx-field-value">
<Slider min={0} max={100} defaultValue={50} label={{
visible: true,
position: 'top',
format
}} />
</div>
</div>
<div className="dx-field custom-height-slider">
<div className="dx-field-label">With tooltip</div>
<div className="dx-field-value">
<Slider min={0} max={100} defaultValue={35} tooltip={{
enabled: true,
showMode: 'always',
position: 'bottom',
format
}} />
</div>
</div>
<div className="dx-field">
<div className="dx-field-label">Without range highlighting</div>
<div className="dx-field-value">
<Slider min={0} max={100} defaultValue={20} showRange={false} />
</div>
</div>
<div className="dx-field">
<div className="dx-field-label">With discrete step</div>
<div className="dx-field-value">
<Slider min={0} max={100} defaultValue={10} step={10} tooltip={{ enabled: true }} />
</div>
</div>
<div className="dx-field">
<div className="dx-field-label">Disabled</div>
<div className="dx-field-value">
<Slider min={0} max={100} defaultValue={50} disabled={true} />
</div>
</div>
</div>
<div className="dx-fieldset">
<div className="dx-fieldset-header">Event Handling and API</div>
<div className="dx-field">
<Slider min={0}
max={100}
value={this.state.sliderValue}
onValueChanged={this.setSliderValue} />
</div>
<div className="dx-field">
<div className="dx-field-label">Slider value</div>
<div className="dx-field-value">
<NumberBox min={0}
max={100}
value={this.state.sliderValue}
showSpinButtons={true}
onValueChanged={this.setSliderValue} />
</div>
</div>
</div>
</div>
);
}
setSliderValue({ value }) {
this.setState({ sliderValue: value });
}
}
function format(value) {
return `${value}%`;
}
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/20.2.7/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.7/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-height-slider {
height: 75px;
}
.dx-field .dx-slider {
flex: 1;
}
System.config({
transpiler: 'plugin-babel',
meta: {
'devextreme/localization.js': {
"esModule": true
},
},
paths: {
'npm:': 'https://unpkg.com/'
},
defaultExtension: 'js',
map: {
'react': 'npm:react@16.14.0/umd/react.development.js',
'react-dom': 'npm:react-dom@16.14.0/umd/react-dom.development.js',
'prop-types': 'npm:prop-types@15.7.2/prop-types.js',
'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.26.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@20.2.7',
'devextreme-react': 'npm:devextreme-react@20.2.7',
'jszip': 'npm:jszip@3.6.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@0.10.3/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.0.23/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@2.0.29/dist/dx-gantt.js',
'preact': 'npm:preact@10.5.13/dist/preact.js',
'preact/hooks': 'npm:preact@10.5.13/hooks/dist/hooks.js',
// 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'
},
packages: {
'devextreme': {
defaultExtension: 'js'
},
'devextreme-react': {
main: 'index.js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js'
}
},
babelOptions: {
sourceMaps: false,
stage0: true,
react: true
}
});