77 lines
1.9 KiB
TypeScript
77 lines
1.9 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 { Props } from '../types';
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import React, { useCallback, useState } from 'react';
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import { Compact } from '@polkadot/types';
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import { Button } from '@polkadot/react-components';
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import BaseBytes from './BaseBytes';
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import File from './File';
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function Bytes ({ className, defaultValue, isDisabled, isError, label, name, onChange, onEnter, onEscape, style, type, withLabel }: Props): React.ReactElement<Props> {
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const [isValid, setIsValid] = useState(false);
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const [isFileDrop, setIsFileDrop] = useState(false);
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const _toggleFile = useCallback(
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(): void => setIsFileDrop(true),
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[]
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);
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const _onChangeFile = useCallback(
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(value: Uint8Array): void => {
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const isValid = value.length !== 0;
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onChange && onChange({
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isValid,
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value: Compact.addLengthPrefix(value)
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});
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setIsValid(isValid);
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},
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[onChange]
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);
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return !isDisabled && isFileDrop
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? (
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<File
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className={className}
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isDisabled={isDisabled}
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isError={isError || !isValid}
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label={label}
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onChange={_onChangeFile}
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style={style}
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withLabel={withLabel}
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/>
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)
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: (
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<BaseBytes
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className={className}
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defaultValue={defaultValue}
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isDisabled={isDisabled}
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isError={isError || !isValid}
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label={label}
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length={-1}
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name={name}
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onChange={onChange}
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onEnter={onEnter}
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onEscape={onEscape}
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style={style}
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type={type}
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withLabel={withLabel}
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withLength
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>
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{!isDisabled && (
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<Button
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icon='file'
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onClick={_toggleFile}
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/>
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)}
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</BaseBytes>
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);
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}
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export default React.memo(Bytes);
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