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import { BigNumber } from '@0x/utils';
import * as _ from 'lodash';
import * as React from 'react';
import { ColorOption } from '../style/theme';
import { ERC20Asset } from '../types';
import { assetUtils } from '../util/asset';
import { util } from '../util/util';
import { ScalingAmountInput } from './scaling_amount_input';
import { Container, Text } from './ui';
// Asset amounts only apply to ERC20 assets
export interface AssetAmountInputProps {
asset?: ERC20Asset;
onChange: (value?: BigNumber, asset?: ERC20Asset) => void;
startingFontSizePx: number;
fontColor?: ColorOption;
}
export interface AssetAmountInputState {
currentFontSizePx: number;
}
export class AssetAmountInput extends React.Component<AssetAmountInputProps, AssetAmountInputState> {
public static defaultProps = {
onChange: util.boundNoop,
};
constructor(props: AssetAmountInputProps) {
super(props);
this.state = {
currentFontSizePx: props.startingFontSizePx,
};
}
public render(): React.ReactNode {
const { asset, onChange, ...rest } = this.props;
return (
<Container>
<Container borderBottom="1px solid rgba(255,255,255,0.3)" display="inline-block">
<ScalingAmountInput
{...rest}
startWidthCh={3.5}
endWidthCh={5}
maxFontSizePx={this.props.startingFontSizePx}
onChange={this._handleChange}
onFontSizeChange={this._handleFontSizeChange}
/>
</Container>
<Container display="inline-block" marginLeft="10px">
<Text
fontSize={`${this.state.currentFontSizePx}px`}
fontColor={ColorOption.white}
textTransform="uppercase"
>
{assetUtils.bestNameForAsset(asset)}
</Text>
</Container>
</Container>
);
}
private readonly _handleChange = (value?: BigNumber): void => {
this.props.onChange(value, this.props.asset);
};
private readonly _handleFontSizeChange = (fontSizePx: number): void => {
this.setState({
currentFontSizePx: fontSizePx,
});
};
}
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