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import BigNumber from 'bignumber.js';
import Dialog from 'material-ui/Dialog';
import FlatButton from 'material-ui/FlatButton';
import * as React from 'react';
import {EthAmountInput} from 'ts/components/inputs/eth_amount_input';
import {TokenAmountInput} from 'ts/components/inputs/token_amount_input';
import {Side, Token, TokenState} from 'ts/types';
import {colors} from 'ts/utils/colors';
interface EthWethConversionDialogProps {
direction: Side;
onComplete: (direction: Side, value: BigNumber) => void;
onCancelled: () => void;
isOpen: boolean;
token: Token;
tokenState: TokenState;
etherBalance: BigNumber;
}
interface EthWethConversionDialogState {
value?: BigNumber;
shouldShowIncompleteErrs: boolean;
hasErrors: boolean;
}
export class EthWethConversionDialog extends
React.Component<EthWethConversionDialogProps, EthWethConversionDialogState> {
constructor() {
super();
this.state = {
shouldShowIncompleteErrs: false,
hasErrors: true,
};
}
public render() {
const convertDialogActions = [
<FlatButton
key="cancel"
label="Cancel"
onTouchTap={this._onCancel.bind(this)}
/>,
<FlatButton
key="convert"
label="Convert"
primary={true}
onTouchTap={this._onConvertClick.bind(this)}
/>,
];
const title = this.props.direction === Side.Deposit ? 'Wrap ETH' : 'Unwrap WETH';
return (
<Dialog
title={title}
titleStyle={{fontWeight: 100}}
actions={convertDialogActions}
contentStyle={{width: 448}}
open={this.props.isOpen}
>
{this._renderConversionDialogBody()}
</Dialog>
);
}
private _renderConversionDialogBody() {
const explanation = this.props.direction === Side.Deposit ?
'Convert your Ether into a tokenized, tradable form.' :
'Convert your Wrapped Ether back into it\'s native form.';
const isWrappedVersion = this.props.direction === Side.Receive;
return (
<div>
<div className="pb2">
{explanation}
</div>
<div className="mx-auto" style={{maxWidth: 312}}>
<div className="flex">
{this._renderCurrency(isWrappedVersion)}
<div style={{paddingTop: 68}}>
<i
style={{fontSize: 28, color: colors.darkBlue}}
className="zmdi zmdi-arrow-right"
/>
</div>
{this._renderCurrency(!isWrappedVersion)}
</div>
<div
className="pt2 mx-auto"
style={{width: 245}}
>
{this.props.direction === Side.Receive ?
<TokenAmountInput
token={this.props.token}
tokenState={this.props.tokenState}
shouldShowIncompleteErrs={this.state.shouldShowIncompleteErrs}
shouldCheckBalance={true}
shouldCheckAllowance={false}
onChange={this._onValueChange.bind(this)}
amount={this.state.value}
onVisitBalancesPageClick={this.props.onCancelled}
/> :
<EthAmountInput
balance={this.props.etherBalance}
amount={this.state.value}
onChange={this._onValueChange.bind(this)}
shouldCheckBalance={true}
shouldShowIncompleteErrs={this.state.shouldShowIncompleteErrs}
onVisitBalancesPageClick={this.props.onCancelled}
/>
}
<div
className="pt1"
style={{fontSize: 12}}
>
<div className="left">1 ETH = 1 WETH</div>
{this.props.direction === Side.Receive &&
<div
className="right"
onClick={this._onMaxClick.bind(this)}
style={{color: colors.darkBlue, textDecoration: 'underline', cursor: 'pointer'}}
>
Max
</div>
}
</div>
</div>
</div>
</div>
);
}
private _renderCurrency(isWrappedVersion: boolean) {
const name = isWrappedVersion ? 'Wrapped Ether' : 'Ether';
const iconUrl = isWrappedVersion ? '/images/token_icons/ether_erc20.png' : '/images/ether.png';
const symbol = isWrappedVersion ? 'WETH' : 'ETH';
return (
<div className="mx-auto pt2">
<div
className="center"
style={{color: colors.darkBlue}}
>
{name}
</div>
<div className="center py2">
<img src={iconUrl} style={{width: 60}} />
</div>
<div className="center" style={{fontSize: 12}}>
({symbol})
</div>
</div>
);
}
private _onMaxClick() {
this.setState({
value: this.props.tokenState.balance,
});
}
private _onValueChange(isValid: boolean, amount?: BigNumber) {
this.setState({
value: amount,
hasErrors: !isValid,
});
}
private _onConvertClick() {
if (this.state.hasErrors) {
this.setState({
shouldShowIncompleteErrs: true,
});
} else {
const value = this.state.value;
this.setState({
value: undefined,
});
this.props.onComplete(this.props.direction, value);
}
}
private _onCancel() {
this.setState({
value: undefined,
});
this.props.onCancelled();
}
}
|
