Slider
A Slider component for displaying current value and intervals in range.
When To Use#
To input a value in a range.
Examples
Disabled:
import { Slider, Switch } from 'antd';
class Demo extends React.Component {
state = {
disabled: false,
};
handleDisabledChange = (disabled) => {
this.setState({ disabled });
}
render() {
const { disabled } = this.state;
return (
<div>
<Slider defaultValue={30} disabled={disabled} />
<Slider range defaultValue={[20, 50]} disabled={disabled} />
Disabled: <Switch size="small" checked={disabled} onChange={this.handleDisabledChange} />
</div>
);
}
}
ReactDOM.render(<Demo />, mountNode);
import { Slider, Icon } from 'antd';
class IconSlider extends React.Component {
state = {
value: 0,
}
handleChange = (value) => {
this.setState({ value });
}
render() {
const { max, min } = this.props;
const { value } = this.state;
const mid = ((max - min) / 2).toFixed(5);
const preColor = value >= mid ? '' : 'rgba(0, 0, 0, .45)';
const nextColor = value >= mid ? 'rgba(0, 0, 0, .45)' : '';
return (
<div className="icon-wrapper">
<Icon style={{ color: preColor }} type="frown-o" />
<Slider {...this.props} onChange={this.handleChange} value={value} />
<Icon style={{ color: nextColor }} type="smile-o" />
</div>
);
}
}
ReactDOM.render(<IconSlider min={0} max={20} />, mountNode);
.icon-wrapper {
position: relative;
padding: 0px 30px;
}
.icon-wrapper .anticon {
position: absolute;
top: -2px;
width: 16px;
height: 16px;
line-height: 1;
font-size: 16px;
color: rgba(0, 0, 0, .25);
}
.icon-wrapper .anticon:first-child {
left: 0;
}
.icon-wrapper .anticon:last-child {
right: 0;
}
import { Slider } from 'antd';
function onChange(value) {
console.log('onChange: ', value);
}
function onAfterChange(value) {
console.log('onAfterChange: ', value);
}
ReactDOM.render(
<div>
<Slider defaultValue={30} onChange={onChange} onAfterChange={onAfterChange} />
<Slider range step={10} defaultValue={[20, 50]} onChange={onChange} onAfterChange={onAfterChange} />
</div>,
mountNode
);
import { Slider } from 'antd';
const style = {
float: 'left',
height: 300,
marginLeft: 70,
};
const marks = {
0: '0°C',
26: '26°C',
37: '37°C',
100: {
style: {
color: '#f50',
},
label: <strong>100°C</strong>,
},
};
ReactDOM.render(
<div style={{ height: 300 }}>
<div style={style}>
<Slider vertical defaultValue={30} />
</div>
<div style={style}>
<Slider vertical range step={10} defaultValue={[20, 50]} />
</div>
<div style={style}>
<Slider vertical range marks={marks} defaultValue={[26, 37]} />
</div>
</div>,
mountNode
);
import { Slider, InputNumber, Row, Col } from 'antd';
class IntegerStep extends React.Component {
state = {
inputValue: 1,
}
onChange = (value) => {
this.setState({
inputValue: value,
});
}
render() {
return (
<Row>
<Col span={12}>
<Slider min={1} max={20} onChange={this.onChange} value={this.state.inputValue} />
</Col>
<Col span={4}>
<InputNumber
min={1}
max={20}
style={{ marginLeft: 16 }}
value={this.state.inputValue}
onChange={this.onChange}
/>
</Col>
</Row>
);
}
}
class DecimalStep extends React.Component {
state = {
inputValue: 0,
}
onChange = (value) => {
this.setState({
inputValue: value,
});
}
render() {
return (
<Row>
<Col span={12}>
<Slider min={0} max={1} onChange={this.onChange} value={this.state.inputValue} step={0.01} />
</Col>
<Col span={4}>
<InputNumber
min={0}
max={1}
style={{ marginLeft: 16 }}
step={0.01}
value={this.state.inputValue}
onChange={this.onChange}
/>
</Col>
</Row>
);
}
}
ReactDOM.render(
<div>
<IntegerStep />
<DecimalStep />
</div>
, mountNode);
import { Slider } from 'antd';
function formatter(value) {
return `${value}%`;
}
ReactDOM.render(
<div>
<Slider tipFormatter={formatter} />
<Slider tipFormatter={null} />
</div>,
mountNode
);
included=true
included=false
marks & step
step=null
import { Slider } from 'antd';
const marks = {
0: '0°C',
26: '26°C',
37: '37°C',
100: {
style: {
color: '#f50',
},
label: <strong>100°C</strong>,
},
};
ReactDOM.render(
<div>
<h4>included=true</h4>
<Slider marks={marks} defaultValue={37} />
<Slider range marks={marks} defaultValue={[26, 37]} />
<h4>included=false</h4>
<Slider marks={marks} included={false} defaultValue={37} />
<h4>marks & step</h4>
<Slider marks={marks} step={10} defaultValue={37} />
<h4>step=null</h4>
<Slider marks={marks} step={null} defaultValue={37} />
</div>
, mountNode);
API#
Property | Description | Type | Default |
---|---|---|---|
autoFocus | get focus when component mounted | boolean | false |
defaultValue | The default value of slider. When range is false , use number , otherwise, use [number, number] | number|number[] | 0 or 0, 0 |
disabled | If true, the slider will not be interactable. | boolean | false |
dots | Whether the thumb can drag over tick only. | boolean | false |
included | Make effect when marks not null,true means containment and false means coordinative | boolean | true |
marks | Tick mark of Slider, type of key must be number , and must in closed interval min, max ,each mark can declare its own style. | object | { number: string|ReactNode } or { number: { style: object, label: string|ReactNode } } |
max | The maximum value the slider can slide to | number | 100 |
min | The minimum value the slider can slide to. | number | 0 |
range | dual thumb mode | boolean | false |
step | The granularity the slider can step through values. Must greater than 0, and be divided by (max - min) . When marks no null, step can be null . | number|null | 1 |
tipFormatter | Slider will pass its value to tipFormatter , and display its value in Tooltip, and hide Tooltip when return value is null. | Function|null | IDENTITY |
value | The value of slider. When range is false , use number , otherwise, use [number, number] | number|number[] | |
vertical | If true, the slider will be vertical. | Boolean | false |
onAfterChange | Fire when onmouseup is fired. | Function(value) | NOOP |
onChange | Callback function that is fired when the user changes the slider's value. | Function(value) | NOOP |
Methods#
Name | Description |
---|---|
blur() | remove focus |
focus() | get focus |