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YuruToot/app/javascript/mastodon/features/ui/components/column.js
Akihiko Odaki 9d1f8b9d6a Scroll columns area to right when children property is changed (#4517)
The feature to pin column could hide the rightmost column, which is
specified with children property of ColumnsArea.

The user is likely to see the column when the property changed, so scroll
the area in such cases.
2017-08-04 18:57:46 +02:00

62 lines
1.6 KiB
JavaScript

import React from 'react';
import ColumnHeader from './column_header';
import PropTypes from 'prop-types';
import { debounce } from 'lodash';
import { scrollTop } from '../../../scroll';
import { isMobile } from '../../../is_mobile';
export default class Column extends React.PureComponent {
static propTypes = {
heading: PropTypes.string,
icon: PropTypes.string,
children: PropTypes.node,
active: PropTypes.bool,
hideHeadingOnMobile: PropTypes.bool,
};
handleHeaderClick = () => {
const scrollable = this.node.querySelector('.scrollable');
if (!scrollable) {
return;
}
this._interruptScrollAnimation = scrollTop(scrollable);
}
handleScroll = debounce(() => {
if (typeof this._interruptScrollAnimation !== 'undefined') {
this._interruptScrollAnimation();
}
}, 200)
setRef = (c) => {
this.node = c;
}
render () {
const { heading, icon, children, active, hideHeadingOnMobile } = this.props;
const showHeading = heading && (!hideHeadingOnMobile || (hideHeadingOnMobile && !isMobile(window.innerWidth)));
const columnHeaderId = showHeading && heading.replace(/ /g, '-');
const header = showHeading && (
<ColumnHeader icon={icon} active={active} type={heading} onClick={this.handleHeaderClick} columnHeaderId={columnHeaderId} />
);
return (
<div
ref={this.setRef}
role='region'
aria-labelledby={columnHeaderId}
className='column'
onScroll={this.handleScroll}
>
{header}
{children}
</div>
);
}
}