Stepper React Component
Stepper React component represents Stepper component.
Stepper Components
There are following components included:
Stepper Properties
| Prop |
Type |
Default |
Description |
| <Stepper> properties |
| init |
boolean |
true |
Initializes Stepper |
| value |
number |
0 |
Stepper value |
| min |
number |
0 |
Minimum value |
| max |
number |
100 |
Maximum value |
| step |
number |
1 |
Maximum value |
| wraps |
boolean |
false |
When enabled, incrementing beyond maximum value sets value to minimum value; likewise, decrementing below minimum value sets value to maximum value |
| autorepeat |
boolean |
false |
When enabled it will repeatedly increase/decrease values while you tap and hold plus/minus buttons |
| autorepeatDynamic |
boolean |
false |
When enabled it will increase autorepeat ratio based on how long you hold the button |
| input |
boolean |
true |
Defines should it render <input> element or not |
| inputReadonly |
boolean |
false |
Makes inner input element readonly |
| buttonsOnly |
boolean |
false |
Disables inner value container between stepper buttons |
| formatValue |
function(value) |
|
Custom function to format value for value element between buttons. It must return new formatted value |
| manualInputMode |
boolean |
false |
Enables manual input mode. This mode allows to type value from keyboar and check fractional part with defined accurancy. Also, step parameter is ignored when typing in this mode. |
| decimalPoint |
number |
4 |
Number of digits after dot, when in manual input mode. |
| buttonsEndInputMode |
boolean |
true |
Disables manual input mode on Stepper's minus or plus button click. |
| disabled |
boolean |
false |
Defines whether the stepper is disabled or not |
| round |
boolean |
false |
Makes stepper round |
| roundIos |
boolean |
false |
Makes stepper round for iOS theme only |
| roundMd |
boolean |
false |
Makes stepper round for MD theme only |
| big |
boolean |
false |
Makes big stepper |
| bigIos |
boolean |
false |
Makes big stepper for iOS theme only |
| bigMd |
boolean |
false |
Makes big stepper for MD theme only |
| small |
boolean |
false |
Makes small stepper |
| smallIos |
boolean |
false |
Makes small stepper for iOS theme only |
| smallMd |
boolean |
false |
Makes small stepper for MD theme only |
| fill |
boolean |
false |
Makes stepper filled color |
| fillIos |
boolean |
false |
Makes stepper filled color for iOS theme only |
| fillMd |
boolean |
false |
Makes stepper filled color for MD theme only |
| raised |
boolean |
false |
Makes stepper raised. Affects MD theme only |
Stepper Events
| Event |
Description |
| <Stepper> events |
| stepperChange |
Event will be triggered when Stepper value has been changed |
| stepperMinusClick |
Event will be triggered on "minus" button click |
| stepperPlusClick |
Event will be triggered on "plus" button click |
| input |
Event will be triggered on input's input event |
Stepper Methods
| Event |
Description |
| <Stepper> methods |
| .increment() |
Increment stepper value, similar to clicking on its "plus" button |
| .decremenet() |
Decrement stepper value, similar to clicking on its "minus" button |
| .setValue(newValue) |
Set new stepper value |
| .getValue() |
Returns stepper value |
Examples
export default class extends React.Component {
constructor(props) {
super(props);
this.state = {
applesCount: 0,
orangesCount: 0,
meetingTime: 15,
};
}
get meetingTimeComputed() {
const self = this;
const value = self.state.meetingTime;
const hours = Math.floor(value / 60);
const minutes = value - (hours * 60);
const formatted = [];
if (hours > 0) {
formatted.push(hours + ' ' + (hours > 1 ? 'hours' : 'hour'));
}
if (minutes > 0) {
formatted.push(minutes + ' minutes');
}
return formatted.join(' ');
}
setApples(value) {
this.setState({ applesCount: value });
}
setOranges(value) {
this.setState({ orangesCount: value });
}
setMeetingTime(value) {
this.setState({ meetingTime: value });
}
render () {
return (
<Page>
<Navbar title="Stepper"></Navbar>
<BlockTitle>Shape and size</BlockTitle>
<Block strong className="text-align-center">
<Row>
<Col>
<small className="display-block">Default</small>
<Stepper></Stepper>
</Col>
<Col>
<small className="display-block">Round</small>
<Stepper round></Stepper>
</Col>
</Row>
<Row className="margin-top">
<Col>
<small className="display-block">Fill</small>
<Stepper fill></Stepper>
</Col>
<Col>
<small className="display-block">Round Fill</small>
<Stepper fill round></Stepper>
</Col>
</Row>
<Row className="margin-top">
<Col>
<small className="display-block">Small</small>
<Stepper small></Stepper>
</Col>
<Col>
<small className="display-block">Small Round</small>
<Stepper small round></Stepper>
</Col>
</Row>
<Row className="margin-top">
<Col>
<small className="display-block">Small Fill</small>
<Stepper small fill></Stepper>
</Col>
<Col>
<small className="display-block">Small Round Fill</small>
<Stepper small round fill></Stepper>
</Col>
</Row>
<Row className="margin-top">
<Col>
<small className="display-block">Big</small>
<Stepper big></Stepper>
</Col>
<Col>
<small className="display-block">Big Round</small>
<Stepper big round></Stepper>
</Col>
</Row>
<Row className="margin-top">
<Col>
<small className="display-block">Big Fill</small>
<Stepper big fill></Stepper>
</Col>
<Col>
<small className="display-block">Big Round Fill</small>
<Stepper big round fill></Stepper>
</Col>
</Row>
</Block>
<BlockTitle>Raised (MD-theme only)</BlockTitle>
<Block strong className="text-align-center">
<Row>
<Col>
<small className="display-block">Default</small>
<Stepper raised></Stepper>
</Col>
<Col>
<small className="display-block">Round</small>
<Stepper raised round></Stepper>
</Col>
</Row>
<Row className="margin-top">
<Col>
<small className="display-block">Fill</small>
<Stepper raised fill></Stepper>
</Col>
<Col>
<small className="display-block">Round Fill</small>
<Stepper raised fill round></Stepper>
</Col>
</Row>
<Row className="margin-top">
<Col>
<small className="display-block">Small</small>
<Stepper raised small></Stepper>
</Col>
<Col>
<small className="display-block">Small Round</small>
<Stepper raised small round></Stepper>
</Col>
</Row>
<Row className="margin-top">
<Col>
<small className="display-block">Small Fill</small>
<Stepper raised small fill></Stepper>
</Col>
<Col>
<small className="display-block">Small Round Fill</small>
<Stepper raised small round fill></Stepper>
</Col>
</Row>
<Row className="margin-top">
<Col>
<small className="display-block">Big</small>
<Stepper raised big></Stepper>
</Col>
<Col>
<small className="display-block">Big Round</small>
<Stepper raised big round></Stepper>
</Col>
</Row>
<Row className="margin-top">
<Col>
<small className="display-block">Big Fill</small>
<Stepper raised big fill></Stepper>
</Col>
<Col>
<small className="display-block">Big Round Fill</small>
<Stepper raised big round fill></Stepper>
</Col>
</Row>
</Block>
<BlockTitle>Colors</BlockTitle>
<Block strong className="text-align-center">
<Row>
<Col>
<Stepper fill color="red"></Stepper>
</Col>
<Col>
<Stepper fill round color="green"></Stepper>
</Col>
</Row>
<Row className="margin-top">
<Col>
<Stepper fill color="blue"></Stepper>
</Col>
<Col>
<Stepper fill round color="pink"></Stepper>
</Col>
</Row>
<Row className="margin-top">
<Col>
<Stepper fill small color="yellow"></Stepper>
</Col>
<Col>
<Stepper fill small round color="orange"></Stepper>
</Col>
</Row>
<Row className="margin-top">
<Col>
<Stepper fill small color="gray"></Stepper>
</Col>
<Col>
<Stepper fill small round color="black"></Stepper>
</Col>
</Row>
</Block>
<BlockTitle>Without input element</BlockTitle>
<Block strong className="text-align-center">
<Row>
<Col>
<Stepper input={false}></Stepper>
</Col>
<Col>
<Stepper input={false} round></Stepper>
</Col>
</Row>
</Block>
<BlockTitle>Min, max, step</BlockTitle>
<Block strong className="text-align-center">
<Row>
<Col>
<Stepper value={100} min={0} max={1000} step={100}></Stepper>
</Col>
<Col>
<Stepper input={false} value={5} min={0} max={10} step={0.5}></Stepper>
</Col>
</Row>
</Block>
<BlockTitle>Autorepeat (Tap & hold)</BlockTitle>
<BlockHeader>Pressing and holding one of its buttons increments or decrements the stepper’s value repeatedly. With dynamic autorepeat, the rate of change depends on how long the user continues pressing the control.</BlockHeader>
<Block strong className="text-align-center">
<Row>
<Col>
<small className="display-block">Default</small>
<Stepper value={0} min={0} max={100} step={1} autorepeat={true}></Stepper>
</Col>
<Col>
<small className="display-block">Dynamic</small>
<Stepper value={0} min={0} max={100} step={1} autorepeat={true} autorepeatDynamic={true}></Stepper>
</Col>
</Row>
</Block>
<BlockTitle>Wraps</BlockTitle>
<BlockHeader>In wraps mode incrementing beyond maximum value sets value to minimum value, likewise, decrementing below minimum value sets value to maximum value</BlockHeader>
<Block strong className="text-align-center">
<Row>
<Col>
<Stepper value={0} min={0} max={10} step={1} autorepeat={true} wraps={true}></Stepper>
</Col>
</Row>
</Block>
<BlockTitle>Custom value element</BlockTitle>
<List>
<ListItem title={`Apples ${this.state.applesCount}`}>
<Stepper buttonsOnly={true} small raised slot="after" onStepperChange={this.setApples.bind(this)}></Stepper>
</ListItem>
<ListItem title={`Oranges ${this.state.orangesCount}`}>
<Stepper buttonsOnly={true} small raised slot="after" onStepperChange={this.setOranges.bind(this)}></Stepper>
</ListItem>
</List>
<BlockTitle>Custom value format</BlockTitle>
<List>
<ListItem header="Meeting starts in" title={this.meetingTimeComputed}>
<Stepper
min={15}
max={240}
step={15}
value={this.state.meetingTime}
buttonsOnly={true}
small
slot="after"
onStepperChange={this.setMeetingTime.bind(this)}
></Stepper>
</ListItem>
</List>
<BlockTitle>Manual input</BlockTitle>
<BlockHeader>It is possible to enter value manually from keyboard or mobile keypad. When click on input field, stepper enter into manual input mode, which allow type value from keyboar and check fractional part with defined accurancy. Click outside or enter Return key, ending manual mode.</BlockHeader>
<Block strong className="text-align-center">
<Row>
<Col>
<Stepper fill value={0} min={0} max={1000} step={1} autorepeat={true} wraps={true} manualInputMode={true} decimalPoint={2}></Stepper>
</Col>
</Row>
</Block>
</Page>
);
}
}
