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import * as _ from 'lodash';
import * as React from 'react';
import {utils} from 'ts/utils/utils';
import {Token} from 'ts/types';
import {Blockchain} from 'ts/blockchain';
import RaisedButton from 'material-ui/RaisedButton';
const COMPLETE_STATE_SHOW_LENGTH_MS = 2000;
enum ButtonState {
READY,
LOADING,
COMPLETE,
};
interface LifeCycleRaisedButtonProps {
isHidden?: boolean;
isDisabled?: boolean;
isPrimary?: boolean;
labelReady: React.ReactNode|string;
labelLoading: React.ReactNode|string;
labelComplete: React.ReactNode|string;
onClickAsyncFn: () => boolean;
backgroundColor?: string;
labelColor?: string;
}
interface LifeCycleRaisedButtonState {
buttonState: ButtonState;
}
export class LifeCycleRaisedButton extends
React.Component<LifeCycleRaisedButtonProps, LifeCycleRaisedButtonState> {
public static defaultProps: Partial<LifeCycleRaisedButtonProps> = {
isDisabled: false,
backgroundColor: 'white',
labelColor: 'rgb(97, 97, 97)',
};
private buttonTimeoutId: number;
private didUnmount: boolean;
constructor(props: LifeCycleRaisedButtonProps) {
super(props);
this.state = {
buttonState: ButtonState.READY,
};
}
public componentWillUnmount() {
clearTimeout(this.buttonTimeoutId);
this.didUnmount = true;
}
public render() {
if (this.props.isHidden === true) {
return <span />;
}
let label;
switch (this.state.buttonState) {
case ButtonState.READY:
label = this.props.labelReady;
break;
case ButtonState.LOADING:
label = this.props.labelLoading;
break;
case ButtonState.COMPLETE:
label = this.props.labelComplete;
break;
default:
throw utils.spawnSwitchErr('ButtonState', this.state.buttonState);
}
return (
<RaisedButton
primary={this.props.isPrimary}
label={label}
style={{width: '100%'}}
backgroundColor={this.props.backgroundColor}
labelColor={this.props.labelColor}
onTouchTap={this.onClickAsync.bind(this)}
disabled={this.props.isDisabled || this.state.buttonState !== ButtonState.READY}
/>
);
}
public async onClickAsync() {
this.setState({
buttonState: ButtonState.LOADING,
});
const didSucceed = await this.props.onClickAsyncFn();
if (this.didUnmount) {
return; // noop since unmount called before async callback returned.
}
if (didSucceed) {
this.setState({
buttonState: ButtonState.COMPLETE,
});
this.buttonTimeoutId = window.setTimeout(() => {
this.setState({
buttonState: ButtonState.READY,
});
}, COMPLETE_STATE_SHOW_LENGTH_MS);
} else {
this.setState({
buttonState: ButtonState.READY,
});
}
}
}
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