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
105
106
107
108
109
110
111
112
|
import React = require("react");
import { ContextMenuItem, ContextMenuProps } from "./ContextMenuItem";
import { observable, action } from "mobx";
import { observer } from "mobx-react";
import "./ContextMenu.scss";
import { library } from '@fortawesome/fontawesome-svg-core';
import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
import { faSearch, faCircle } from '@fortawesome/free-solid-svg-icons';
library.add(faSearch);
library.add(faCircle);
@observer
export class ContextMenu extends React.Component {
static Instance: ContextMenu;
@observable private _items: Array<ContextMenuProps> = [{ description: "test", event: (e: React.MouseEvent) => e.preventDefault(), icon: "smile" }];
@observable private _pageX: number = 0;
@observable private _pageY: number = 0;
@observable private _display: string = "none";
@observable private _searchString: string = "";
// afaik displaymenu can be called before all the items are added to the menu, so can't determine in displayMenu what the height of the menu will be
@observable private _yRelativeToTop: boolean = true;
private ref: React.RefObject<HTMLDivElement>;
constructor(props: Readonly<{}>) {
super(props);
this.ref = React.createRef();
ContextMenu.Instance = this;
}
@action
clearItems() {
this._items = [];
this._display = "none";
}
@action
addItem(item: ContextMenuProps) {
if (this._items.indexOf(item) === -1) {
this._items.push(item);
}
}
getItems() {
return this._items;
}
@action
displayMenu(x: number, y: number) {
//maxX and maxY will change if the UI/font size changes, but will work for any amount
//of items added to the menu
let maxX = window.innerWidth - 150;
let maxY = window.innerHeight - ((this._items.length + 1/*for search box*/) * 34 + 30);
this._pageX = x > maxX ? maxX : x;
this._pageY = y > maxY ? maxY : y;
this._searchString = "";
this._display = "flex";
}
intersects = (x: number, y: number): boolean => {
if (this.ref.current && this._display !== "none") {
let menuSize = { width: this.ref.current.getBoundingClientRect().width, height: this.ref.current.getBoundingClientRect().height };
let upperLeft = { x: this._pageX, y: this._yRelativeToTop ? this._pageY : window.innerHeight - (this._pageY + menuSize.height) };
let bottomRight = { x: this._pageX + menuSize.width, y: this._yRelativeToTop ? this._pageY + menuSize.height : window.innerHeight - this._pageY };
if (x >= upperLeft.x && x <= bottomRight.x) {
if (y >= upperLeft.y && y <= bottomRight.y) {
return true;
}
}
}
return false;
}
@action
closeMenu = () => {
this.clearItems();
}
render() {
let style = this._yRelativeToTop ? { left: this._pageX, top: this._pageY, display: this._display } :
{ left: this._pageX, bottom: this._pageY, display: this._display };
return (
<div className="contextMenu-cont" style={style} ref={this.ref}>
<span>
<span className="icon-background">
<FontAwesomeIcon icon="search" size="lg" />
</span>
<input className="contextMenu-item contextMenu-description" type="text" placeholder="Search . . ." value={this._searchString} onChange={this.onChange} />
</span>
{this._items.filter(prop => prop.description.toLowerCase().indexOf(this._searchString.toLowerCase()) !== -1).
map(prop => <ContextMenuItem {...prop} key={prop.description} closeMenu={this.closeMenu} />)}
</div>
);
}
@action
onChange = (e: React.ChangeEvent<HTMLInputElement>) => {
this._searchString = e.target.value;
}
}
|
