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import React = require("react");
import { observable, action } from "mobx";
import { observer } from "mobx-react";
export interface OriginalMenuProps {
description: string;
event: (e: React.MouseEvent<HTMLDivElement>) => void;
}
export interface SubmenuProps {
description: string;
subitems: ContextMenuProps[];
}
export type ContextMenuProps = OriginalMenuProps | SubmenuProps;
@observer
export class ContextMenuItem extends React.Component<ContextMenuProps> {
@observable private _items: Array<ContextMenuProps> = [];
@observable private _pageX: number = 0;
@observable private _pageY: number = 0;
@observable private overItem = false;
constructor(props: ContextMenuProps) {
super(props);
if ("subitems" in this.props) {
this.props.subitems.forEach(i => this._items.push(i));
}
}
render() {
if ("event" in this.props) {
return (
<div className="contextMenu-item" onClick={this.props.event}>
<div className="contextMenu-description"> {this.props.description}</div>
</div>)
}
else {
let submenu = null;
if (this.overItem) {
submenu = (<div className="subMenu-cont" style={{ top: this._pageY, marginLeft: "0" }}>
{this._items.map(prop => {
return <ContextMenuItem {...prop} key={prop.description} />
})}
</div>)
}
return (
<div className="contextMenu-item" onMouseEnter={action(() => {
this.overItem = true
})} onMouseLeave={action(() => this.overItem = false)}>
<div className="contextMenu-description"> {this.props.description}</div>
{submenu}
</div>)
}
}
}
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