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/* eslint-disable react/jsx-props-no-spreading */
import { IconProp } from '@fortawesome/fontawesome-svg-core';
import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
import { action, makeObservable, observable, runInAction } from 'mobx';
import { observer } from 'mobx-react';
import * as React from 'react';
import { SnappingManager } from '../util/SnappingManager';
import { UndoManager } from '../util/UndoManager';
import { ObservableReactComponent } from './ObservableReactComponent';
export interface ContextMenuProps {
icon: IconProp | JSX.Element;
description: string;
addDivider?: boolean;
closeMenu?: () => void;
subitems?: ContextMenuProps[];
noexpand?: boolean; // whether to render the submenu items as a flyout from this item, or inline in place of this item
undoable?: boolean; // whether to wrap the event callback in an UndoBatch or not
event?: (stuff?: unknown) => void;
}
@observer
export class ContextMenuItem extends ObservableReactComponent<ContextMenuProps & { selected?: boolean }> {
static readonly HOVER_TIMEOUT = 100;
_hoverTimeout?: NodeJS.Timeout;
_overPosY = 0;
_overPosX = 0;
@observable _items: ContextMenuProps[] = [];
@observable _overItem = false;
constructor(props: ContextMenuProps & { selected?: boolean }) {
super(props);
makeObservable(this);
}
componentDidMount() {
runInAction(() => this._items.push(...(this._props.subitems ?? [])));
}
handleEvent = async (e: React.MouseEvent<HTMLDivElement>) => {
if (this._props.event) {
this._props.closeMenu?.();
const batch = this._props.undoable ? UndoManager.StartBatch(`Click Menu item: ${this._props.description}`) : undefined;
await this._props.event({ x: e.clientX, y: e.clientY });
batch?.end();
}
};
setOverItem = (over: boolean) => {
this._hoverTimeout = setTimeout( action(() => { this._overItem = over; }), ContextMenuItem.HOVER_TIMEOUT ); // prettier-ignore
};
onPointerEnter = (e: React.MouseEvent) => {
this._hoverTimeout && clearTimeout(this._hoverTimeout);
this._overPosY = e.clientY;
this._overPosX = e.clientX;
!this._overItem && this.setOverItem(true);
};
onPointerLeave = () => {
this._hoverTimeout && clearTimeout(this._hoverTimeout);
this._overItem && this.setOverItem(false);
};
renderItem = (submenu: JSX.Element[]) => {
const alignItems = this._overPosY < window.innerHeight / 3 ? 'flex-start' : this._overPosY > (window.innerHeight * 2) / 3 ? 'flex-end' : 'center';
const marginTop = this._overPosY < window.innerHeight / 3 ? '20px' : this._overPosY > (window.innerHeight * 2) / 3 ? '-20px' : '';
const marginLeft = window.innerWidth - this._overPosX - 50 > 0 ? '90%' : '20%';
return (
<div className={`contextMenuItem${this._props.selected ? '-Selected' : ''}`} //
onPointerEnter={this.onPointerEnter} onPointerLeave={this.onPointerLeave} onPointerDown={this.handleEvent}
style={{ alignItems, borderTop: this._props.addDivider ? 'solid 1px' : undefined }}
>
<div className="contextMenuItem-background" style={{ background: SnappingManager.userColor, filter: this._overItem ? 'opacity(0.2)' : '' }} />
<span className="contextMenuItem-icon" style={{ alignItems: 'center', alignSelf: 'center' }}>
{React.isValidElement(this._props.icon) ? this._props.icon : this._props.icon ? <FontAwesomeIcon icon={this._props.icon as IconProp} size="sm" /> : null}
</span>
<div className="contextMenu-description"> {this._props.description} </div>
{!submenu.length ? null : (
!this._overItem ?
<FontAwesomeIcon icon="angle-right" size="lg" style={{ position: 'absolute', right: '10px' }} /> : (
<div className="contextMenu-subMenu-cont" style={{ marginLeft, marginTop, background: SnappingManager.userBackgroundColor }}>
{submenu}
</div>
)
)}
</div>
); // prettier-ignore
};
render() {
const submenu = this._items.map(prop => <ContextMenuItem {...prop} key={prop.description} closeMenu={this._props.closeMenu} />);
return this.props.event || this._props.noexpand ? this.renderItem(submenu) : <div className="contextMenu-inlineMenu">{submenu}</div>;
}
}
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