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import React = require('react');
import { observable, action, runInAction } from 'mobx';
import { observer } from 'mobx-react';
import { IconProp } from '@fortawesome/fontawesome-svg-core';
import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
import { UndoManager } from '../util/UndoManager';
import { Doc } from '../../fields/Doc';
import { StrCast } from '../../fields/Types';
import { SettingsManager } from '../util/SettingsManager';
export interface OriginalMenuProps {
description: string;
event: (stuff?: any) => void;
undoable?: boolean;
icon: IconProp | JSX.Element; //maybe should be optional (icon?)
closeMenu?: () => void;
}
export interface SubmenuProps {
description: string;
subitems: ContextMenuProps[];
noexpand?: boolean;
addDivider?: boolean;
icon: IconProp; //maybe should be optional (icon?)
closeMenu?: () => void;
}
export type ContextMenuProps = OriginalMenuProps | SubmenuProps;
@observer
export class ContextMenuItem extends React.Component<ContextMenuProps & { selected?: boolean }> {
@observable private _items: Array<ContextMenuProps> = [];
@observable private overItem = false;
@action
componentDidMount() {
this._items.length = 0;
if ((this.props as SubmenuProps)?.subitems) {
(this.props as SubmenuProps).subitems?.forEach(i => runInAction(() => this._items.push(i)));
}
}
handleEvent = async (e: React.MouseEvent<HTMLDivElement>) => {
if ('event' in this.props) {
this.props.closeMenu?.();
const batch = this.props.undoable !== false ? UndoManager.StartBatch(`Click Menu item: ${this.props.description}`) : undefined;
await this.props.event({ x: e.clientX, y: e.clientY });
batch?.end();
}
};
currentTimeout?: any;
static readonly timeout = 300;
_overPosY = 0;
_overPosX = 0;
onPointerEnter = (e: React.MouseEvent) => {
if (this.currentTimeout) {
clearTimeout(this.currentTimeout);
this.currentTimeout = undefined;
}
if (this.overItem) {
return;
}
this._overPosY = e.clientY;
this._overPosX = e.clientX;
this.currentTimeout = setTimeout(
action(() => (this.overItem = true)),
ContextMenuItem.timeout
);
};
onPointerLeave = () => {
if (this.currentTimeout) {
clearTimeout(this.currentTimeout);
this.currentTimeout = undefined;
}
if (!this.overItem) {
return;
}
this.currentTimeout = setTimeout(
action(() => (this.overItem = false)),
ContextMenuItem.timeout
);
};
isJSXElement(val: any): val is JSX.Element {
return React.isValidElement(val);
}
render() {
if ('event' in this.props) {
return (
<div className={'contextMenu-item' + (this.props.selected ? ' contextMenu-itemSelected' : '')} onPointerDown={this.handleEvent}>
{this.props.icon ? <span className="contextMenu-item-icon-background">{this.isJSXElement(this.props.icon) ? this.props.icon : <FontAwesomeIcon icon={this.props.icon} size="sm" />}</span> : null}
<div className="contextMenu-description">{this.props.description.replace(':', '')}</div>
<div
className={`contextMenu-item-background`}
style={{
background: SettingsManager.userColor,
}}
/>
</div>
);
} else if ('subitems' in this.props) {
const where = !this.overItem ? '' : this._overPosY < window.innerHeight / 3 ? 'flex-start' : this._overPosY > (window.innerHeight * 2) / 3 ? 'flex-end' : 'center';
const marginTop = !this.overItem ? '' : this._overPosY < window.innerHeight / 3 ? '20px' : this._overPosY > (window.innerHeight * 2) / 3 ? '-20px' : '';
// here
const submenu = !this.overItem ? null : (
<div
className="contextMenu-subMenu-cont"
style={{
marginLeft: window.innerHeight - this._overPosX - 50 > 0 ? '90%' : '20%',
marginTop,
background: SettingsManager.userBackgroundColor,
}}>
{this._items.map(prop => (
<ContextMenuItem {...prop} key={prop.description} closeMenu={this.props.closeMenu} />
))}
</div>
);
if (!(this.props as SubmenuProps).noexpand) {
return (
<div className="contextMenu-inlineMenu">
{this._items.map(prop => (
<ContextMenuItem {...prop} key={prop.description} closeMenu={this.props.closeMenu} />
))}
</div>
);
}
return (
<div
className={'contextMenu-item' + (this.props.selected ? ' contextMenu-itemSelected' : '')}
style={{ alignItems: where, borderTop: this.props.addDivider ? 'solid 1px' : undefined }}
onMouseLeave={this.onPointerLeave}
onMouseEnter={this.onPointerEnter}>
{this.props.icon ? (
<span className="contextMenu-item-icon-background" onMouseEnter={this.onPointerLeave} style={{ alignItems: 'center', alignSelf: 'center' }}>
<FontAwesomeIcon icon={this.props.icon} size="sm" />
</span>
) : null}
<div className="contextMenu-description" onMouseEnter={this.onPointerEnter} style={{ alignItems: 'center', alignSelf: 'center' }}>
{this.props.description}
<FontAwesomeIcon icon={'angle-right'} size="lg" style={{ position: 'absolute', right: '10px' }} />
</div>
<div
className={`contextMenu-item-background`}
style={{
background: SettingsManager.userColor,
}}
/>
{submenu}
</div>
);
}
}
}
|
