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// @flow
import * as React from "react";
import cn from "classnames";
import { Grid } from "../";
import type { MouseEvents, FocusEvents, PointerEvents } from "../../";
// FormEvents not imported due to check on props utilization. Props typing do not use mandatory props.
type PropsForAll = {|
...MouseEvents,
...FocusEvents,
...PointerEvents,
+className?: string,
+step?: number,
+min?: number,
+max?: number,
|};
type ControlledProps = {|
...PropsForAll,
+value: number,
+onChange: (SyntheticInputEvent<EventTarget>) => mixed,
|};
type UnControlledProps = {|
...PropsForAll,
+defaultValue: number,
|};
type Props = ControlledProps | UnControlledProps;
type State = {|
internalValue: number,
|};
class FormRatio extends React.PureComponent<Props, State> {
state = {
internalValue: !this.props.onChange ? this.props.defaultValue : 0,
};
handleOnChange = (e: SyntheticInputEvent<EventTarget>): mixed => {
if (this.props.onChange) {
this.props.onChange(e);
} else {
const value = Number(e.target.value);
this.setState({ internalValue: value });
}
};
render(): React.Node {
const {
className,
step = 1,
min = 0,
max = 0,
onClick,
onMouseEnter,
onMouseLeave,
onPointerEnter,
onPointerLeave,
onFocus,
onBlur,
} = this.props;
const classes = cn(className);
const value: number = this.props.onChange
? this.props.value
: this.state.internalValue;
return (
<Grid.Row className={classes} alignItems="center">
<Grid.Col>
<input
type="range"
className="form-control custom-range"
step={step}
min={min}
max={max}
onChange={this.handleOnChange}
onClick={onClick}
onMouseEnter={onMouseEnter}
onMouseLeave={onMouseLeave}
onPointerEnter={onPointerEnter}
onPointerLeave={onPointerLeave}
value={value}
/>
</Grid.Col>
<Grid.Col auto>
<input
type="number"
className="form-control w-8"
value={value}
onFocus={onFocus}
onBlur={onBlur}
readOnly
/>
</Grid.Col>
</Grid.Row>
);
}
}
FormRatio.displayName = "Form.Ratio";
export default FormRatio;
|