MyCrypto/common/components/UnitDropDown/UnitDropDown.tsx

64 lines
1.9 KiB
TypeScript

import React, { Component } from 'react';
import { setUnitMeta, TSetUnitMeta } from 'actions/transaction';
import { TokenBalance, MergedToken, getShownTokenBalances, getTokens } from 'selectors/wallet';
import { Query } from 'components/renderCbs';
import { connect } from 'react-redux';
import { AppState } from 'reducers';
import { getUnit } from 'selectors/transaction';
import { getNetworkUnit } from 'selectors/config';
import { Option } from 'react-select';
import { Dropdown } from 'components/ui';
interface DispatchProps {
setUnitMeta: TSetUnitMeta;
}
interface StateProps {
unit: string;
tokens: TokenBalance[];
allTokens: MergedToken[];
showAllTokens?: boolean;
networkUnit: string;
}
class UnitDropdownClass extends Component<DispatchProps & StateProps> {
public render() {
const { tokens, allTokens, showAllTokens, unit, networkUnit } = this.props;
const focusedTokens = showAllTokens ? allTokens : tokens;
const options = [networkUnit, ...getTokenSymbols(focusedTokens)];
return (
<Query
params={['readOnly']}
withQuery={({ readOnly }) => (
<Dropdown
options={options}
value={unit === 'ether' ? networkUnit : unit}
onChange={this.handleOnChange}
clearable={false}
searchable={options.length > 10}
disabled={!!readOnly}
/>
)}
/>
);
}
private handleOnChange = (unit: Option<string>) => {
if (!unit.value) {
throw Error('No unit value found');
}
this.props.setUnitMeta(unit.value);
};
}
const getTokenSymbols = (tokens: (TokenBalance | MergedToken)[]) => tokens.map(t => t.symbol);
function mapStateToProps(state: AppState) {
return {
tokens: getShownTokenBalances(state, true),
allTokens: getTokens(state),
unit: getUnit(state),
networkUnit: getNetworkUnit(state)
};
}
export const UnitDropDown = connect(mapStateToProps, { setUnitMeta })(UnitDropdownClass);