131 lines
3.5 KiB
TypeScript
131 lines
3.5 KiB
TypeScript
// Copyright 2017-2023 @polkadot/react-components authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import type { SiDef } from '@polkadot/util/types';
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import React, { useMemo } from 'react';
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import styled from 'styled-components';
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import { BN, BN_TEN, formatBalance, isString, isUndefined } from '@polkadot/util';
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import InputNumber from './InputNumber';
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interface Props {
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autoFocus?: boolean;
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children?: React.ReactNode;
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className?: string;
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defaultValue?: BN | string;
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isDisabled?: boolean;
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isError?: boolean;
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isFull?: boolean;
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isLoading?: boolean;
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isWarning?: boolean;
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isZeroable?: boolean;
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label?: React.ReactNode;
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labelExtra?: React.ReactNode;
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maxValue?: BN;
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onChange?: (value?: BN) => void;
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onEnter?: () => void;
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onEscape?: () => void;
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placeholder?: string;
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siDecimals?: number;
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siSymbol?: string;
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value?: BN;
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withEllipsis?: boolean;
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withLabel?: boolean;
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withMax?: boolean;
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}
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const DEFAULT_BITLENGTH = 128;
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function reformat (value?: string | BN, isDisabled?: boolean, siDecimals?: number): { defaultValue?: string; siDefault?: SiDef } {
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if (!value) {
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return {};
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}
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const decimals = isUndefined(siDecimals)
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? formatBalance.getDefaults().decimals
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: siDecimals;
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const maxDisabled = BN_TEN.pow(new BN(decimals - 1)).toString(10);
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const siDefault = isString(value) && (value.length < maxDisabled.length) && value !== '0'
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? formatBalance.calcSi(value.toString(), decimals)
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: formatBalance.findSi('-');
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const defaultValue = formatBalance(value, {
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decimals,
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forceUnit: siDefault.value,
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withSi: false
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});
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return {
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defaultValue: isDisabled
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? defaultValue
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: defaultValue.replace(/,/g, isDisabled ? ',' : ''),
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siDefault
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};
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}
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function InputBalance ({ autoFocus, children, className = '', defaultValue: inDefault, isDisabled, isError, isFull, isLoading, isWarning, isZeroable, label, labelExtra, maxValue, onChange, onEnter, onEscape, placeholder, siDecimals, siSymbol, value, withEllipsis, withLabel, withMax }: Props): React.ReactElement<Props> {
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const { defaultValue, siDefault } = useMemo(
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() => reformat(inDefault, isDisabled, siDecimals),
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[inDefault, isDisabled, siDecimals]
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);
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return (
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<InputNumber
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autoFocus={autoFocus}
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bitLength={DEFAULT_BITLENGTH}
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className={`ui--InputBalance ${className}`}
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defaultValue={defaultValue}
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isDisabled={isDisabled}
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isError={isError}
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isFull={isFull}
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isLoading={isLoading}
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isSi
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isWarning={isWarning}
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isZeroable={isZeroable}
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label={label}
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labelExtra={labelExtra}
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maxValue={maxValue}
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onChange={onChange}
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onEnter={onEnter}
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onEscape={onEscape}
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placeholder={placeholder}
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siDecimals={siDecimals}
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siDefault={siDefault}
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siSymbol={siSymbol}
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value={value}
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withEllipsis={withEllipsis}
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withLabel={withLabel}
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withMax={withMax}
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>
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{children}
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</InputNumber>
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);
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}
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export default React.memo(styled(InputBalance)`
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&&:not(.isSmall) .labelExtra {
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right: 6.5rem;
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}
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.ui.action.input.ui--Input > .buttons {
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align-items: stretch;
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.ui--SiDropdown.ui.button.compact.floating.selection.dropdown {
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&.disabled {
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border-style: solid;
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opacity: 1 !important;
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}
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> div.text:first-child {
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font-size: var(--font-size-small);
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position: absolute;
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top: 50%;
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transform: translateY(-50%);
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left: 0.5rem;
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width: 3rem;
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}
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}
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}
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`);
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