c4a21aa352
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.
52 lines
1 KiB
JavaScript
52 lines
1 KiB
JavaScript
import React from 'react';
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import PropTypes from 'prop-types';
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import detectPassiveEvents from 'detect-passive-events';
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import { scrollTop } from '../scroll';
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export default class Column extends React.PureComponent {
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static propTypes = {
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children: PropTypes.node,
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};
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scrollTop () {
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const scrollable = this.node.querySelector('.scrollable');
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if (!scrollable) {
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return;
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}
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this._interruptScrollAnimation = scrollTop(scrollable);
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}
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handleWheel = () => {
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if (typeof this._interruptScrollAnimation !== 'function') {
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return;
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}
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this._interruptScrollAnimation();
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}
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setRef = c => {
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this.node = c;
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}
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componentDidMount () {
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this.node.addEventListener('wheel', this.handleWheel, detectPassiveEvents ? { passive: true } : false);
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}
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componentWillUnmount () {
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this.node.removeEventListener('wheel', this.handleWheel);
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}
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render () {
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const { children } = this.props;
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return (
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<div role='region' className='column' ref={this.setRef}>
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{children}
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</div>
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);
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}
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}
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