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import * as _ from 'lodash';
import * as React from 'react';
import { ColorOption } from '../style/theme';
import { ERC20Asset } from '../types';
import { assetUtils } from '../util/asset';
import { SearchInput } from './search_input';
import { Circle } from './ui/circle';
import { Container } from './ui/container';
import { Flex } from './ui/flex';
import { Text } from './ui/text';
export interface ERC20TokenSelectorProps {
tokens: ERC20Asset[];
onTokenSelect: (token: ERC20Asset) => void;
}
export interface ERC20TokenSelectorState {
searchQuery?: string;
}
export class ERC20TokenSelector extends React.Component<ERC20TokenSelectorProps> {
public state: ERC20TokenSelectorState = {
searchQuery: undefined,
};
public render(): React.ReactNode {
const { tokens, onTokenSelect } = this.props;
return (
<Container>
<SearchInput
placeholder="Search tokens..."
width="100%"
value={this.state.searchQuery}
onChange={this._handleSearchInputChange}
/>
<Container overflow="scroll" height="390px" marginTop="10px">
{_.map(tokens, token => {
if (!this._isTokenQueryMatch(token)) {
return null;
}
return <TokenSelectorRow key={token.assetData} token={token} onClick={onTokenSelect} />;
})}
</Container>
</Container>
);
}
private readonly _handleSearchInputChange = (event: React.ChangeEvent<HTMLInputElement>): void => {
const searchQuery = event.target.value;
this.setState({
searchQuery,
});
};
private readonly _isTokenQueryMatch = (token: ERC20Asset): boolean => {
const { searchQuery } = this.state;
if (_.isUndefined(searchQuery)) {
return true;
}
const stringToSearch = `${token.metaData.name} ${token.metaData.symbol}`;
return _.includes(stringToSearch.toLowerCase(), searchQuery.toLowerCase());
};
}
interface TokenSelectorRowProps {
token: ERC20Asset;
onClick: (token: ERC20Asset) => void;
}
class TokenSelectorRow extends React.Component<TokenSelectorRowProps> {
public render(): React.ReactNode {
const { token } = this.props;
const displaySymbol = assetUtils.bestNameForAsset(token);
return (
<Container
padding="12px 0px"
borderBottom="1px solid"
borderColor={ColorOption.feintGrey}
backgroundColor={ColorOption.white}
width="100%"
onClick={this._handleClick}
darkenOnHover={true}
cursor="pointer"
>
<Container marginLeft="5px">
<Flex justify="flex-start">
<Container marginRight="10px">
<Circle diameter={30} rawColor={token.metaData.primaryColor}>
<Flex height="100%">
<Text fontColor={ColorOption.white} fontSize="8px">
{displaySymbol}
</Text>
</Flex>
</Circle>
</Container>
<Text fontSize="14px" fontWeight={700} fontColor={ColorOption.black}>
{displaySymbol}
</Text>
<Container margin="0px 5px">
<Text fontSize="14px"> - </Text>
</Container>
<Text fontSize="14px">{token.metaData.name}</Text>
</Flex>
</Container>
</Container>
);
}
private readonly _handleClick = (): void => {
this.props.onClick(this.props.token);
};
}
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