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import React = require("react");
import { ContextMenuItem, ContextMenuProps } from "./ContextMenuItem";
import { observable } from "mobx";
import { observer } from "mobx-react";
import "./ContextMenu.scss"
@observer
export class ContextMenu extends React.Component {
static Instance: ContextMenu
@observable private _items: Array<ContextMenuProps> = [{ description: "test", event: (e: React.MouseEvent) => e.preventDefault() }];
@observable private _pageX: number = 0;
@observable private _pageY: number = 0;
@observable private _display: string = "none";
private ref: React.RefObject<HTMLDivElement>;
constructor(props: Readonly<{}>) {
super(props);
this.ref = React.createRef()
ContextMenu.Instance = this;
}
clearItems() {
this._items = []
this._display = "none"
}
addItem(item: ContextMenuProps) {
if (this._items.indexOf(item) === -1) {
this._items.push(item);
}
}
getItems() {
return this._items;
}
displayMenu(x: number, y: number) {
this._pageX = x
this._pageY = y
this._display = "flex"
}
intersects = (x: number, y: number): boolean => {
if (this.ref.current && this._display !== "none") {
if (x >= this._pageX && x <= this._pageX + this.ref.current.getBoundingClientRect().width) {
if (y >= this._pageY && y <= this._pageY + this.ref.current.getBoundingClientRect().height) {
return true;
}
}
}
return false;
}
render() {
return (
<div className="contextMenu-cont" style={{ left: this._pageX, top: this._pageY, display: this._display }} ref={this.ref}>
{this._items.map(prop => {
return <ContextMenuItem {...prop} key={prop.description} />
})}
</div>
)
}
}
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