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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
import * as _ from 'lodash';
import Menu from 'material-ui/Menu';
import Popover from 'material-ui/Popover';
import * as React from 'react';
import { colors } from 'ts/utils/colors';
const CHECK_CLOSE_POPOVER_INTERVAL_MS = 300;
const DEFAULT_STYLE = {
fontSize: 14,
};
interface DropDownMenuItemProps {
title: string;
subMenuItems: React.ReactNode[];
style?: React.CSSProperties;
menuItemStyle?: React.CSSProperties;
isNightVersion?: boolean;
}
interface DropDownMenuItemState {
isDropDownOpen: boolean;
anchorEl?: HTMLInputElement;
}
export class DropDownMenuItem extends React.Component<DropDownMenuItemProps, DropDownMenuItemState> {
public static defaultProps: Partial<DropDownMenuItemProps> = {
style: DEFAULT_STYLE,
menuItemStyle: DEFAULT_STYLE,
isNightVersion: false,
};
private _isHovering: boolean;
private _popoverCloseCheckIntervalId: number;
constructor(props: DropDownMenuItemProps) {
super(props);
this.state = {
isDropDownOpen: false,
};
}
public componentDidMount() {
this._popoverCloseCheckIntervalId = window.setInterval(() => {
this._checkIfShouldClosePopover();
}, CHECK_CLOSE_POPOVER_INTERVAL_MS);
}
public componentWillUnmount() {
window.clearInterval(this._popoverCloseCheckIntervalId);
}
public render() {
const colorStyle = this.props.isNightVersion ? 'white' : this.props.style.color;
return (
<div
style={{ ...this.props.style, color: colorStyle }}
onMouseEnter={this._onHover.bind(this)}
onMouseLeave={this._onHoverOff.bind(this)}
>
<div className="flex relative">
<div style={{ paddingRight: 10 }}>{this.props.title}</div>
<div className="absolute" style={{ paddingLeft: 3, right: 3, top: -2 }}>
<i className="zmdi zmdi-caret-right" style={{ fontSize: 22 }} />
</div>
</div>
<Popover
open={this.state.isDropDownOpen}
anchorEl={this.state.anchorEl}
anchorOrigin={{ horizontal: 'middle', vertical: 'bottom' }}
targetOrigin={{ horizontal: 'middle', vertical: 'top' }}
onRequestClose={this._closePopover.bind(this)}
useLayerForClickAway={false}
>
<div onMouseEnter={this._onHover.bind(this)} onMouseLeave={this._onHoverOff.bind(this)}>
<Menu style={{ color: colors.grey }}>{this.props.subMenuItems}</Menu>
</div>
</Popover>
</div>
);
}
private _onHover(event: React.FormEvent<HTMLInputElement>) {
this._isHovering = true;
this._checkIfShouldOpenPopover(event);
}
private _checkIfShouldOpenPopover(event: React.FormEvent<HTMLInputElement>) {
if (this.state.isDropDownOpen) {
return; // noop
}
this.setState({
isDropDownOpen: true,
anchorEl: event.currentTarget,
});
}
private _onHoverOff(event: React.FormEvent<HTMLInputElement>) {
this._isHovering = false;
}
private _checkIfShouldClosePopover() {
if (!this.state.isDropDownOpen || this._isHovering) {
return; // noop
}
this._closePopover();
}
private _closePopover() {
this.setState({
isDropDownOpen: false,
});
}
}
|
