1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
import React from 'react';
import PropTypes from 'prop-types';
import { supportsPassiveEvents } from 'detect-passive-events';
import { scrollTop } from '../scroll';
export default class Column extends React.PureComponent {
static propTypes = {
children: PropTypes.node,
extraClasses: PropTypes.string,
name: PropTypes.string,
label: PropTypes.string,
bindToDocument: PropTypes.bool,
};
scrollTop () {
const scrollable = this.props.bindToDocument ? document.scrollingElement : this.node.querySelector('.scrollable');
if (!scrollable) {
return;
}
this._interruptScrollAnimation = scrollTop(scrollable);
}
handleWheel = () => {
if (typeof this._interruptScrollAnimation !== 'function') {
return;
}
this._interruptScrollAnimation();
};
setRef = c => {
this.node = c;
};
componentDidMount () {
if (this.props.bindToDocument) {
document.addEventListener('wheel', this.handleWheel, supportsPassiveEvents ? { passive: true } : false);
} else {
this.node.addEventListener('wheel', this.handleWheel, supportsPassiveEvents ? { passive: true } : false);
}
}
componentWillUnmount () {
if (this.props.bindToDocument) {
document.removeEventListener('wheel', this.handleWheel);
} else {
this.node.removeEventListener('wheel', this.handleWheel);
}
}
render () {
const { children, extraClasses, name, label } = this.props;
return (
<div role='region' aria-label={label} data-column={name} className={`column ${extraClasses || ''}`} ref={this.setRef}>
{children}
</div>
);
}
}
|
