ghost-portal/packages/app-explorer/src/Query.tsx
kwingram25 dc943d7cd6
Button/TxButton submit on enter (#1170)
* Button/TxButton submit on enter

* promise linting

* testing ref approach

* Add TxComponent to handle submit on enter

* remove accountNonce

* remove input ref

* remove TxButton constructor

* remove comment

* empty constructor

* linting

* bug with null ref

* linting
2019-05-22 18:08:58 +02:00

85 lines
1.9 KiB
TypeScript

// Copyright 2017-2019 @polkadot/app-explorer authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
import { I18nProps } from '@polkadot/ui-app/types';
import React from 'react';
import { Button, FilterOverlay, Input, TxComponent } from '@polkadot/ui-app';
import { isHex } from '@polkadot/util';
import translate from './translate';
type Props = I18nProps & {
value?: string
};
type State = {
value: string
isNumber: boolean,
isValid: boolean
};
class Query extends TxComponent<Props, State> {
constructor (props: Props) {
super(props);
const { value } = this.props;
this.state = this.stateFromValue(value || '');
}
render () {
const { t } = this.props;
const { value, isValid } = this.state;
return (
<FilterOverlay>
<Input
className='explorer--query'
defaultValue={this.props.value}
isError={!isValid && value.length !== 0}
placeholder={t('block hash or number to query')}
onChange={this.setHash}
onEnter={this.submit}
withLabel={false}
>
<Button
icon='play'
isPrimary
onClick={this.onQuery}
ref={this.button}
/>
</Input>
</FilterOverlay>
);
}
private setHash = (value: string) => {
this.setState(
this.stateFromValue(value)
);
}
private onQuery = (): void => {
const { isValid, value } = this.state;
if (isValid && value.length !== 0) {
window.location.hash = `/explorer/query/${value}`;
}
}
private stateFromValue (value: string): State {
const isValidHex = isHex(value, 256);
const isNumber = !isValidHex && /^\d+$/.test(value);
return {
value,
isNumber,
isValid: isValidHex || isNumber
};
}
}
export default translate(Query);