102 lines
2.9 KiB
TypeScript
102 lines
2.9 KiB
TypeScript
// Copyright 2017-2022 @polkadot/react-params authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import type { ParamDef, Props, RawParam } from '../types';
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import React, { useEffect, useState } from 'react';
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import { isUndefined } from '@polkadot/util';
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import getInitValue from '../initValue';
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import Params from '../';
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import Base from './Base';
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import useParamDefs from './useParamDefs';
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function generateParam ([{ name, type }]: ParamDef[], index: number): ParamDef {
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return {
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name: `${index}: ${name || type.type}`,
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type
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};
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}
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function VectorFixed ({ className = '', defaultValue, isDisabled = false, label, onChange, overrides, registry, type, withLabel }: Props): React.ReactElement<Props> | null {
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const inputParams = useParamDefs(registry, type);
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const [params, setParams] = useState<ParamDef[]>([]);
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const [values, setValues] = useState<RawParam[]>([]);
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// build up the list of parameters we are using
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useEffect((): void => {
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if (inputParams.length) {
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const count = (inputParams[0].length || 1);
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const max = isDisabled ? (defaultValue.value as RawParam[] || []).length : count;
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const params: ParamDef[] = [];
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for (let index = 0; index < max; index++) {
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params.push(generateParam(inputParams, index));
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}
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setParams(params);
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}
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}, [defaultValue, isDisabled, inputParams]);
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// when !isDisable, generating an input list based on count
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useEffect((): void => {
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!isDisabled && inputParams.length &&
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setValues((values): RawParam[] => {
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const count = (inputParams[0].length || 1);
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if (values.length === count) {
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return values;
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}
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while (values.length < count) {
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const value = getInitValue(registry, inputParams[0].type);
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values.push({ isValid: !isUndefined(value), value });
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}
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return values.slice(0, count);
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});
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}, [inputParams, isDisabled, registry]);
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// when isDisabled, set the values based on the defaultValue input
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useEffect((): void => {
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isDisabled &&
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setValues(
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(defaultValue.value as RawParam[] || []).map((value: RawParam) =>
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isUndefined(value) || isUndefined(value.isValid)
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? { isValid: !isUndefined(value), value }
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: value
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)
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);
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}, [defaultValue, isDisabled]);
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// when our values has changed, alert upstream
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useEffect((): void => {
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onChange && onChange({
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isValid: values.reduce((result: boolean, { isValid }) => result && isValid, true),
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value: values.map(({ value }) => value)
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});
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}, [values, onChange]);
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return (
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<Base
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className={className}
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isOuter
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label={label}
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withLabel={withLabel}
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>
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<Params
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isDisabled={isDisabled}
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onChange={setValues}
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overrides={overrides}
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params={params}
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registry={registry}
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values={values}
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/>
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</Base>
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);
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}
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export default React.memo(VectorFixed);
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