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import { action, computed, observable } from "mobx";
import { observer } from "mobx-react";
import * as React from "react";
import { Doc, DocListCast, Opt } from "../../fields/Doc";
import { Id } from "../../fields/FieldSymbols";
import { NumCast, Cast } from "../../fields/Types";
import { emptyFunction, emptyPath, returnEmptyString, returnFalse, returnOne, returnTrue, returnZero, Utils, setupMoveUpEvents, returnEmptyFilter } from "../../Utils";
import { Transform } from "../util/Transform";
import { CollectionFreeFormLinksView } from "./collections/collectionFreeForm/CollectionFreeFormLinksView";
import { DocumentView } from "./nodes/DocumentView";
import './OverlayView.scss';
import { Scripting } from "../util/Scripting";
import { ScriptingRepl } from './ScriptingRepl';
import { DragManager } from "../util/DragManager";
import { List } from "../../fields/List";
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 React.Component<OverlayWindowProps> {
@observable x: number;
@observable y: number;
@observable width: number;
@observable height: number;
constructor(props: OverlayWindowProps) {
super(props);
const opts = props.overlayOptions;
this.x = opts.x;
this.y = opts.y;
this.width = opts.width || 200;
this.height = opts.height || 200;
}
onPointerDown = (_: React.PointerEvent) => {
document.removeEventListener("pointermove", this.onPointerMove);
document.removeEventListener("pointerup", this.onPointerUp);
document.addEventListener("pointermove", this.onPointerMove);
document.addEventListener("pointerup", this.onPointerUp);
}
onResizerPointerDown = (_: React.PointerEvent) => {
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 = (e: PointerEvent) => {
document.removeEventListener("pointermove", this.onPointerMove);
document.removeEventListener("pointerup", this.onPointerUp);
}
onResizerPointerUp = (e: PointerEvent) => {
document.removeEventListener("pointermove", this.onResizerPointerMove);
document.removeEventListener("pointerup", this.onResizerPointerUp);
}
render() {
return (
<div className="overlayWindow-outerDiv" style={{ transform: `translate(${this.x}px, ${this.y}px)`, width: this.width, height: this.height }}>
<div className="overlayWindow-titleBar" onPointerDown={this.onPointerDown} >
{this.props.overlayOptions.title || "Untitled"}
<button onClick={this.props.onClick} className="overlayWindow-closeButton">X</button>
</div>
<div className="overlayWindow-content">
{this.props.children}
</div>
<div className="overlayWindow-resizeDragger" onPointerDown={this.onResizerPointerDown}></div>
</div>
);
}
}
@observer
export class OverlayView extends React.Component {
public static Instance: OverlayView;
@observable.shallow
private _elements: JSX.Element[] = [];
constructor(props: any) {
super(props);
if (!OverlayView.Instance) {
OverlayView.Instance = this;
}
}
@action
addElement(ele: JSX.Element, options: OverlayElementOptions): OverlayDisposer {
const remove = action(() => {
const index = this._elements.indexOf(ele);
if (index !== -1) this._elements.splice(index, 1);
});
ele = <div key={Utils.GenerateGuid()} className="overlayView-wrapperDiv" style={{
transform: `translate(${options.x}px, ${options.y}px)`,
width: options.width,
height: options.height,
top: 0,
left: 0
}}>{ele}</div>;
this._elements.push(ele);
return remove;
}
@action
addWindow(contents: JSX.Element, options: OverlayElementOptions): OverlayDisposer {
const remove = action(() => {
const index = this._elements.indexOf(contents);
if (index !== -1) this._elements.splice(index, 1);
});
contents = <OverlayWindow onClick={remove} key={Utils.GenerateGuid()} overlayOptions={options}>{contents}</OverlayWindow>;
this._elements.push(contents);
return remove;
}
@computed get overlayDocs() {
const userDocOverlays = Doc.UserDoc().myOverlayDocuments;
if (!userDocOverlays) {
return null;
}
return userDocOverlays instanceof Doc && DocListCast(userDocOverlays.data).map(d => {
setTimeout(() => d.inOverlay = true, 0);
let offsetx = 0, offsety = 0;
const dref = React.createRef<HTMLDivElement>();
const onPointerMove = action((e: PointerEvent, down: number[]) => {
if (e.buttons === 1) {
d.x = e.clientX + offsetx;
d.y = e.clientY + offsety;
}
if (e.metaKey) {
const dragData = new DragManager.DocumentDragData([d]);
d.removeDropProperties = new List<string>(["inOverlay"]);
dragData.offset = [-offsetx, -offsety];
dragData.dropAction = "move";
dragData.removeDocument = (doc: Doc | Doc[]) => {
const docs = (doc instanceof Doc) ? [doc] : doc;
docs.forEach(d => Doc.RemoveDocFromList(Cast(Doc.UserDoc().myOverlayDocuments, Doc, null), "data", d));
return true;
};
dragData.moveDocument = (doc: Doc | Doc[], targetCollection: Doc | undefined, addDocument: (doc: Doc | Doc[]) => boolean): boolean => {
return 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);
offsetx = NumCast(d.x) - e.clientX;
offsety = NumCast(d.y) - e.clientY;
};
return <div className="overlayView-doc" ref={dref} key={d[Id]} onPointerDown={onPointerDown} style={{ width: NumCast(d._width), height: NumCast(d._height), transform: `translate(${d.x}px, ${d.y}px)` }}>
<DocumentView
Document={d}
LibraryPath={emptyPath}
ChromeHeight={returnZero}
rootSelected={returnTrue}
bringToFront={emptyFunction}
addDocument={undefined}
removeDocument={undefined}
ContentScaling={returnOne}
NativeHeight={returnZero}
NativeWidth={returnZero}
PanelWidth={returnOne}
PanelHeight={returnOne}
ScreenToLocalTransform={Transform.Identity}
renderDepth={1}
parentActive={returnTrue}
whenActiveChanged={emptyFunction}
focus={emptyFunction}
backgroundColor={returnEmptyString}
addDocTab={returnFalse}
pinToPres={emptyFunction}
docFilters={returnEmptyFilter}
ContainingCollectionView={undefined}
ContainingCollectionDoc={undefined} />
</div>;
});
}
render() {
return (
<div className="overlayView" id="overlayView">
<div>
{this._elements}
</div>
<CollectionFreeFormLinksView key="freeformLinks" />
{this.overlayDocs}
</div>
);
}
}
// bcz: ugh ... want to be able to pass ScriptingRepl as tag argument, but that doesn't seem to work.. runtime error
Scripting.addGlobal(function addOverlayWindow(type: string, options: OverlayElementOptions) {
OverlayView.Instance.addWindow(<ScriptingRepl />, options);
});
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