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import { action, makeObservable, observable } from 'mobx';
import { observer } from 'mobx-react';
import * as React from 'react';
import { Doc } from '../../../fields/Doc';
import { LinkManager } from '../../util/LinkManager';
import { SettingsManager } from '../../util/SettingsManager';
import { ObservableReactComponent } from '../ObservableReactComponent';
import { DocumentView } from '../nodes/DocumentView';
import { LinkInfo } from '../nodes/LinkDocPreview';
import './LinkMenu.scss';
import { LinkMenuGroup } from './LinkMenuGroup';
interface Props {
docView: DocumentView;
style?: { left: number; top: number };
itemHandler?: (doc: Doc) => void;
clearLinkEditor?: () => void;
}
/**
* the outermost component for the link menu of a node that contains a list of its linked nodes
*/
@observer
export class LinkMenu extends ObservableReactComponent<Props> {
_editorRef = React.createRef<HTMLDivElement>();
@observable _linkMenuRef = React.createRef<HTMLDivElement>();
constructor(props: Props) {
super(props);
makeObservable(this);
}
clear = () => this.props.clearLinkEditor?.();
componentDidMount() {
this.props.clearLinkEditor && document.addEventListener('pointerdown', this.onPointerDown, true);
}
componentWillUnmount() {
this.props.clearLinkEditor && document.removeEventListener('pointerdown', this.onPointerDown, true);
}
onPointerDown = action((e: PointerEvent) => {
LinkInfo.Clear();
if (!this._linkMenuRef.current?.contains(e.target as HTMLElement) && !this._editorRef.current?.contains(e.target as HTMLElement)) {
this.clear();
}
});
/**
* maps each link to a JSX element to be rendered
* @param groups containing info of all of the links
* @returns list of link JSX elements if there at least one linked element
*/
renderAllGroups = (groups: Map<string, Array<Doc>>): Array<JSX.Element> => {
const linkItems = Array.from(groups.entries()).map(group => (
<LinkMenuGroup key={group[0]} itemHandler={this.props.itemHandler} docView={this.props.docView} sourceDoc={this.props.docView.Document} group={group[1]} groupType={group[0]} clearLinkEditor={this.clear} />
));
return linkItems.length ? linkItems : this.props.style ? [] : [<p key="none">No links have been created yet. Drag the linking button onto another document to create a link.</p>];
};
render() {
const sourceDoc = this.props.docView.Document;
const sourceAnchor = this.props.docView.anchorViewDoc ?? sourceDoc;
const style = this.props.style ?? (dv => ({ left: dv?.left || 0, top: this.props.docView.topMost ? undefined : (dv?.bottom || 0) + 15, bottom: this.props.docView.topMost ? 20 : undefined, maxWidth: 200 }))(this.props.docView.getBounds);
return (
<div className="linkMenu" ref={this._linkMenuRef} style={{ ...style, background: SettingsManager.userBackgroundColor, color: SettingsManager.userColor }}>
<div className="linkMenu-list">{this.renderAllGroups(LinkManager.Instance.getRelatedGroupedLinks(sourceAnchor))}</div>
</div>
);
}
}
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