mastodon/app/javascript/flavours/glitch/components/column_back_button.js
Eugen Rochko 90bdbddbfe [Glitch] Fix scroll to top in single column UI
Port 2dee293c4c to glitch-soc

Signed-off-by: Thibaut Girka <thib@sitedethib.com>
2019-10-06 00:32:06 +02:00

49 lines
1.3 KiB
JavaScript

import React from 'react';
import { FormattedMessage } from 'react-intl';
import PropTypes from 'prop-types';
import Icon from 'flavours/glitch/components/icon';
import { createPortal } from 'react-dom';
export default class ColumnBackButton extends React.PureComponent {
static contextTypes = {
router: PropTypes.object,
};
static propTypes = {
multiColumn: PropTypes.bool,
};
handleClick = (event) => {
// if history is exhausted, or we would leave mastodon, just go to root.
if (window.history.state) {
const state = this.context.router.history.location.state;
if (event.shiftKey && state && state.mastodonBackSteps) {
this.context.router.history.go(-state.mastodonBackSteps);
} else {
this.context.router.history.goBack();
}
} else {
this.context.router.history.push('/');
}
}
render () {
const { multiColumn } = this.props;
const component = (
<button onClick={this.handleClick} className='column-back-button'>
<Icon id='chevron-left' className='column-back-button__icon' fixedWidth />
<FormattedMessage id='column_back_button.label' defaultMessage='Back' />
</button>
);
if (multiColumn) {
return component;
} else {
return createPortal(component, document.getElementById('tabs-bar__portal'));
}
}
}