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import { action, computed, makeObservable, observable } from 'mobx';
import { observer } from 'mobx-react';
import { computedFn } from 'mobx-utils';
import * as React from 'react';
import ReactLoading from 'react-loading';
import ResizeObserver from 'resize-observer-polyfill';
import { returnEmptyFilter, returnTrue, setupMoveUpEvents } from '../../ClientUtils';
import { Utils, emptyFunction } from '../../Utils';
import { Doc, returnEmptyDoclist } from '../../fields/Doc';
import { Height, Width } from '../../fields/DocSymbols';
import { Id } from '../../fields/FieldSymbols';
import { NumCast, toList } from '../../fields/Types';
import { DocumentType } from '../documents/DocumentTypes';
import { DragManager } from '../util/DragManager';
import { dropActionType } from '../util/DropActionTypes';
import { Transform } from '../util/Transform';
import { ObservableReactComponent } from './ObservableReactComponent';
import './OverlayView.scss';
import { DefaultStyleProvider, returnEmptyDocViewList } from './StyleProvider';
import { DocumentView, DocumentViewInternal } from './nodes/DocumentView';
export type OverlayDisposer = () => void;
export type OverlayElementOptions = {
x: number;
y: number;
width?: number;
height?: number;
title?: string;
};
export interface OverlayWindowProps {
children: JSX.Element;
overlayOptions: OverlayElementOptions;
onClick: () => void;
}
@observer
export class OverlayWindow extends ObservableReactComponent<OverlayWindowProps> {
@observable x: number = 0;
@observable y: number = 0;
@observable width: number = 0;
@observable height: number = 0;
constructor(props: OverlayWindowProps) {
super(props);
makeObservable(this);
const opts = props.overlayOptions;
this.x = opts.x;
this.y = opts.y;
this.width = opts.width || 200;
this.height = opts.height || 200;
}
onPointerDown = () => {
document.removeEventListener('pointermove', this.onPointerMove);
document.removeEventListener('pointerup', this.onPointerUp);
document.addEventListener('pointermove', this.onPointerMove);
document.addEventListener('pointerup', this.onPointerUp);
};
onResizerPointerDown = () => {
document.removeEventListener('pointermove', this.onResizerPointerMove);
document.removeEventListener('pointerup', this.onResizerPointerUp);
document.addEventListener('pointermove', this.onResizerPointerMove);
document.addEventListener('pointerup', this.onResizerPointerUp);
};
@action
onPointerMove = (e: PointerEvent) => {
this.x += e.movementX;
this.x = Math.max(Math.min(this.x, window.innerWidth - this.width), 0);
this.y += e.movementY;
this.y = Math.max(Math.min(this.y, window.innerHeight - this.height), 0);
};
@action
onResizerPointerMove = (e: PointerEvent) => {
this.width += e.movementX;
this.width = Math.max(this.width, 30);
this.height += e.movementY;
this.height = Math.max(this.height, 30);
};
onPointerUp = () => {
document.removeEventListener('pointermove', this.onPointerMove);
document.removeEventListener('pointerup', this.onPointerUp);
};
onResizerPointerUp = () => {
document.removeEventListener('pointermove', this.onResizerPointerMove);
document.removeEventListener('pointerup', this.onResizerPointerUp);
};
render() {
return (
<div className="overlayWindow-outerDiv" style={{ transform: `translate(${this.x}px, ${this.y}px)`, width: this.width, height: this.height }}>
<div className="overlayWindow-titleBar" onPointerDown={this.onPointerDown}>
{this._props.overlayOptions.title || 'Untitled'}
<button type="button" onClick={this._props.onClick} className="overlayWindow-closeButton">
X
</button>
</div>
<div className="overlayWindow-content">{this.props.children}</div>
<div className="overlayWindow-resizeDragger" onPointerDown={this.onResizerPointerDown} />
</div>
);
}
}
@observer
export class OverlayView extends ObservableReactComponent<object> {
// eslint-disable-next-line no-use-before-define
public static Instance: OverlayView;
@observable.shallow _elements: JSX.Element[] = [];
constructor(props: object) {
super(props);
makeObservable(this);
if (!OverlayView.Instance) {
OverlayView.Instance = this;
new ResizeObserver(
action(entries => {
Array.from(entries).forEach(entry => {
Doc.MyOverlayDocs.forEach(docIn => {
const doc = docIn;
if (NumCast(doc.overlayX) > entry.contentRect.width - 10) {
doc.overlayX = entry.contentRect.width - 10;
}
if (NumCast(doc.overlayY) > entry.contentRect.height - 10) {
doc.overlayY = entry.contentRect.height - 10;
}
});
});
})
).observe(window.document.body);
}
}
@action
addElement(ele: JSX.Element, options: OverlayElementOptions): OverlayDisposer {
const div = (
<div
key={Utils.GenerateGuid()}
className="overlayView-wrapperDiv"
style={{
transform: `translate(${options.x}px, ${options.y}px)`,
width: options.width,
height: options.height,
top: 0,
left: 0,
}}>
{ele}
</div>
);
this._elements.push(div);
return action(() => {
const index = this._elements.indexOf(div);
if (index !== -1) this._elements.splice(index, 1);
});
}
@action
addWindow(contents: JSX.Element, options: OverlayElementOptions): OverlayDisposer {
const remove = action((wincontents: JSX.Element) => {
const index = this._elements.indexOf(wincontents);
if (index !== -1) this._elements.splice(index, 1);
});
const wincontents = (
<OverlayWindow onClick={() => remove(wincontents)} key={Utils.GenerateGuid()} overlayOptions={options}>
{contents}
</OverlayWindow>
);
this._elements.push(wincontents);
return () => remove(wincontents);
}
removeOverlayDoc = (docs: Doc | Doc[]) => toList(docs).every(Doc.RemFromMyOverlay);
docScreenToLocalXf = computedFn((doc: Doc) => () => new Transform(-NumCast(doc.overlayX), -NumCast(doc.overlayY), 1));
@computed get overlayDocs() {
return Doc.MyOverlayDocs.map(d => {
let [offsetx, offsety] = [0, 0];
const dref = React.createRef<HTMLDivElement>();
const onPointerMove = action((e: PointerEvent, down: number[]) => {
if (e.cancelBubble) return false; // if the overlay doc processed the move event (e.g., to pan its contents), then the event should be marked as canceled since propagation can't be stopped
if (e.buttons === 1) {
d.overlayX = e.clientX + offsetx;
d.overlayY = e.clientY + offsety;
}
if (e.metaKey) {
const dragData = new DragManager.DocumentDragData([d]);
dragData.offset = [-offsetx, -offsety];
dragData.dropAction = dropActionType.move;
dragData.removeDocument = this.removeOverlayDoc;
dragData.moveDocument = (doc: Doc | Doc[], targetCollection: Doc | undefined, addDocument: (doc: Doc | Doc[]) => boolean): boolean => (dragData.removeDocument?.(doc) ? addDocument(doc) : false);
DragManager.StartDocumentDrag([dref.current!], dragData, down[0], down[1]);
return true;
}
return false;
});
const onPointerDown = (e: React.PointerEvent) => {
setupMoveUpEvents(this, e, onPointerMove, emptyFunction, emptyFunction, false);
offsetx = NumCast(d.overlayX) - e.clientX;
offsety = NumCast(d.overlayY) - e.clientY;
};
return (
<div
className="overlayView-doc"
ref={dref}
key={d[Id]}
onPointerDown={onPointerDown}
style={{ top: d.type === DocumentType.PRES ? 0 : undefined, width: NumCast(d._width), height: NumCast(d._height), transform: `translate(${d.overlayX}px, ${d.overlayY}px)` }}>
<DocumentView
Document={d}
addDocument={undefined}
removeDocument={this.removeOverlayDoc}
PanelWidth={d[Width]}
PanelHeight={d[Height]}
ScreenToLocalTransform={this.docScreenToLocalXf(d)}
renderDepth={1}
hideDecorations
isDocumentActive={returnTrue}
isContentActive={returnTrue}
whenChildContentsActiveChanged={emptyFunction}
focus={emptyFunction}
styleProvider={DefaultStyleProvider}
containerViewPath={returnEmptyDocViewList}
addDocTab={DocumentViewInternal.addDocTabFunc}
pinToPres={emptyFunction}
childFilters={returnEmptyFilter}
childFiltersByRanges={returnEmptyFilter}
searchFilterDocs={returnEmptyDoclist}
/>
</div>
);
});
}
public static ShowSpinner() {
return OverlayView.Instance.addElement(<ReactLoading type="spinningBubbles" color="green" height={250} width={250} />, { x: 300, y: 200 });
}
render() {
return (
<div className="overlayView" id="overlayView">
<div>{this._elements}</div>
{this.overlayDocs}
</div>
);
}
}
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