ghost-portal/packages/react-components/src/InputBalance.tsx
Jaco Greeff 78dcf3c8a9
Adjust alignment of SI dropdown (#3206)
* Adjust alignment of SI dropdown

* line-height 1
2020-07-16 09:26:48 +02:00

113 lines
3.1 KiB
TypeScript

// Copyright 2017-2020 @polkadot/react-components authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
import { BitLength } from './types';
import BN from 'bn.js';
import React, { useEffect, useState } from 'react';
import styled from 'styled-components';
import { BitLengthOption } from '@polkadot/react-components/constants';
import { BN_TEN, BN_THOUSAND, formatBalance, isBn } from '@polkadot/util';
import InputNumber from './InputNumber';
interface Props {
autoFocus?: boolean;
children?: React.ReactNode;
className?: string;
defaultValue?: BN | string;
help?: React.ReactNode;
isDisabled?: boolean;
isError?: boolean;
isFull?: boolean;
isWarning?: boolean;
isZeroable?: boolean;
label?: React.ReactNode;
labelExtra?: React.ReactNode;
maxValue?: BN;
onChange?: (value?: BN) => void;
onEnter?: () => void;
onEscape?: () => void;
placeholder?: string;
value?: BN;
withEllipsis?: boolean;
withLabel?: boolean;
withMax?: boolean;
}
const DEFAULT_BITLENGTH = BitLengthOption.CHAIN_SPEC as BitLength;
function reformat (value: string | BN, isDisabled?: boolean): string {
if (isBn(value)) {
let fmt = (value.mul(BN_THOUSAND).div(BN_TEN.pow(new BN(formatBalance.getDefaults().decimals))).toNumber() / 1000).toFixed(3);
while (fmt.length !== 1 && ['.', '0'].includes(fmt[fmt.length - 1])) {
const isLast = fmt.endsWith('.');
fmt = fmt.substr(0, fmt.length - 1);
if (isLast) {
break;
}
}
return fmt;
}
return formatBalance(value, { forceUnit: '-', withSi: false }).replace(',', isDisabled ? ',' : '');
}
function InputBalance ({ autoFocus, children, className = '', defaultValue: inDefault, help, isDisabled, isError, isFull, isWarning, isZeroable, label, labelExtra, maxValue, onChange, onEnter, onEscape, placeholder, value, withEllipsis, withLabel, withMax }: Props): React.ReactElement<Props> {
const [defaultValue, setDefaultValue] = useState<string | undefined>();
useEffect((): void => {
inDefault && setDefaultValue(
reformat(inDefault, isDisabled)
);
}, [inDefault, isDisabled]);
return (
<InputNumber
autoFocus={autoFocus}
bitLength={DEFAULT_BITLENGTH}
className={`ui--InputBalance ${className}`}
defaultValue={defaultValue}
help={help}
isDisabled={isDisabled}
isError={isError}
isFull={isFull}
isSi
isWarning={isWarning}
isZeroable={isZeroable}
label={label}
labelExtra={labelExtra}
maxValue={maxValue}
onChange={onChange}
onEnter={onEnter}
onEscape={onEscape}
placeholder={placeholder}
value={value}
withEllipsis={withEllipsis}
withLabel={withLabel}
withMax={withMax}
>
{children}
</InputNumber>
);
}
export default React.memo(styled(InputBalance)`
&&:not(.label-small) .labelExtra {
right: 6.5rem;
}
.ui.action.input.ui--Input > .buttons {
align-items: stretch;
.ui.disabled.button.compact.floating.selection.dropdown.ui--SiDropdown {
border-style: solid;
opacity: 1 !important;
}
}
`);