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Diffstat (limited to 'packages/instant/src/components/erc20_token_selector.tsx')
-rw-r--r-- | packages/instant/src/components/erc20_token_selector.tsx | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/packages/instant/src/components/erc20_token_selector.tsx b/packages/instant/src/components/erc20_token_selector.tsx new file mode 100644 index 000000000..481778495 --- /dev/null +++ b/packages/instant/src/components/erc20_token_selector.tsx @@ -0,0 +1,107 @@ +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, Container, Flex, Text } from './ui'; + +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="275px" 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} fillColor={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); + }; +} |