84 lines
2.2 KiB
TypeScript
84 lines
2.2 KiB
TypeScript
// Copyright 2017-2021 @polkadot/react-params authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import type { Props } from '../types';
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import React, { useCallback, useState } from 'react';
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import { Toggle } from '@polkadot/react-components';
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import { u8aToHex } from '@polkadot/util';
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import { useTranslation } from '../translate';
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import BaseBytes from './BaseBytes';
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import File from './File';
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function Hash256 ({ className = '', defaultValue, isDisabled, isError, isInOption, label, name, onChange, onEnter, onEscape, registry, type, withLabel }: Props): React.ReactElement<Props> {
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const { t } = useTranslation();
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const [isFileDrop, setFileInput] = useState(false);
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const [placeholder, setPlaceholder] = useState<string | null>(null);
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const _onChangeFile = useCallback(
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(u8a: Uint8Array): void => {
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const value = registry.hash(u8a);
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setPlaceholder(u8aToHex(value));
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onChange && onChange({
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isValid: true,
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value
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});
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},
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[onChange, registry]
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);
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const _setFileInput = useCallback(
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(value: boolean): void => {
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setPlaceholder(null);
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setFileInput(value);
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},
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[setFileInput, setPlaceholder]
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);
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return (
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<div className={className}>
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{!isDisabled && isFileDrop
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? (
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<File
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isDisabled={isDisabled}
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isError={isError}
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label={label}
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onChange={_onChangeFile}
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placeholder={placeholder || undefined}
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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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asHex
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defaultValue={defaultValue}
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isDisabled={isDisabled}
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isError={isError}
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label={label}
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length={32}
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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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type={type}
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withCopy={isDisabled}
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withLabel={withLabel}
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/>
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)}
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{!isDisabled && !isInOption && (
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<Toggle
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isOverlay
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label={t<string>('hash a file')}
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onChange={_setFileInput}
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value={isFileDrop}
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/>
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)}
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</div>
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);
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}
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export default React.memo(Hash256);
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