64 lines
1.7 KiB
TypeScript
64 lines
1.7 KiB
TypeScript
// Copyright 2017-2020 @polkadot/react-components authors & contributors
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// This software may be modified and distributed under the terms
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// of the Apache-2.0 license. See the LICENSE file for details.
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import { BareProps } from './types';
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import BN from 'bn.js';
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import React from 'react';
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import SUIProgress from 'semantic-ui-react/dist/commonjs/modules/Progress/Progress';
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import { UInt } from '@polkadot/types';
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import { bnToBn, isBn, isUndefined } from '@polkadot/util';
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import { classes } from './util';
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type BaseColors = 'blue' | 'green' | 'red' | 'orange';
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export type Colors = 'auto' | 'autoReverse' | BaseColors;
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interface Props extends BareProps {
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color?: Colors;
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percent?: BN | number;
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total?: UInt | BN | number;
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value?: UInt | BN | number;
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}
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export default function Progress ({ className, color = 'blue', percent, total, style, value }: Props): React.ReactElement<Props> | null {
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let calculated: number | undefined;
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const _total = bnToBn(total);
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const _value = bnToBn(value);
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if (_total.gtn(0)) {
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calculated = 100.0 * _value.toNumber() / _total.toNumber();
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} else {
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calculated = isBn(percent) ? percent.toNumber() : percent;
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}
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if (isUndefined(calculated) || calculated < 0) {
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return null;
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}
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let rainbow: BaseColors;
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if (color === 'auto' || color === 'autoReverse') {
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if (calculated > 66.6) {
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rainbow = color === 'auto' ? 'green' : 'red';
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} else if (calculated > 33.3) {
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rainbow = 'orange';
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} else {
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rainbow = color === 'auto' ? 'red' : 'green';
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}
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} else {
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rainbow = color;
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}
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return (
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<SUIProgress
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className={classes('ui--Progress', className)}
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color={rainbow}
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percent={calculated}
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size='tiny'
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style={style}
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/>
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);
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}
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