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import { computed, trace, reaction, runInAction, observable } from "mobx";
import { observer } from "mobx-react";
import { KeyStore } from "../../../fields/KeyStore";
import { NumberField } from "../../../fields/NumberField";
import { Transform } from "../../util/Transform";
import { DocumentView, DocumentViewProps } from "./DocumentView";
import "./DocumentView.scss";
import React = require("react");
import { Document } from "../../../fields/Document";
import { DocumentManager } from "../../util/DocumentManager";
@observer
export class CollectionFreeFormDocumentView extends React.Component<DocumentViewProps> {
private _mainCont = React.createRef<HTMLDivElement>();
constructor(props: DocumentViewProps) {
super(props);
}
get screenRect(): ClientRect | DOMRect {
if (this._mainCont.current) {
return this._mainCont.current.getBoundingClientRect();
}
return new DOMRect();
}
@computed
get transform(): string {
return `scale(${this.props.ContentScaling()}, ${this.props.ContentScaling()}) translate(${this.props.Document.GetNumber(KeyStore.X, 0)}px, ${this.props.Document.GetNumber(KeyStore.Y, 0)}px)`;
}
@computed get zIndex(): number { return this.props.Document.GetNumber(KeyStore.ZIndex, 0); }
@computed get width(): number { return this.props.Document.Width(); }
@computed get height(): number { return this.props.Document.Height(); }
@computed get nativeWidth(): number { return this.props.Document.GetNumber(KeyStore.NativeWidth, 0); }
@computed get nativeHeight(): number { return this.props.Document.GetNumber(KeyStore.NativeHeight, 0); }
set width(w: number) {
this.props.Document.SetData(KeyStore.Width, w, NumberField)
if (this.nativeWidth && this.nativeHeight) {
this.props.Document.SetNumber(KeyStore.Height, this.nativeHeight / this.nativeWidth * w)
}
}
set height(h: number) {
this.props.Document.SetData(KeyStore.Height, h, NumberField);
if (this.nativeWidth && this.nativeHeight) {
this.props.Document.SetNumber(KeyStore.Width, this.nativeWidth / this.nativeHeight * h)
}
}
set zIndex(h: number) {
this.props.Document.SetData(KeyStore.ZIndex, h, NumberField)
}
contentScaling = () => {
return this.nativeWidth > 0 ? this.width / this.nativeWidth : 1;
}
getTransform = (): Transform => {
return this.props.ScreenToLocalTransform().
translate(-this.props.Document.GetNumber(KeyStore.X, 0), -this.props.Document.GetNumber(KeyStore.Y, 0)).scale(1 / this.contentScaling());
}
@computed
get docView() {
return <DocumentView {...this.props}
ContentScaling={this.contentScaling}
ScreenToLocalTransform={this.getTransform}
/>
}
@observable _docView1: DocumentView | null = null;
@observable _docView2: DocumentView | null = null;
componentDidMount() {
reaction(() => {
let linkFrom = this.props.Document.GetT(KeyStore.LinkedFromDocs, Document);
let linkTo = this.props.Document.GetT(KeyStore.LinkedToDocs, Document);
let docView1: DocumentView | null = null;
let docView2: DocumentView | null = null;
if (linkFrom instanceof Document && linkTo instanceof Document) {
docView1 = DocumentManager.Instance.getDocumentView(linkFrom);
docView2 = DocumentManager.Instance.getDocumentView(linkTo);
}
return [docView1, docView2];
}, (vals) => runInAction(() => {
this._docView1 = vals[0];
this._docView2 = vals[1];
}), { fireImmediately: true });
}
render() {
if (this._docView1 != null && this._docView2 != null) {
let doc1 = this._docView1.props.Document;
let doc2 = this._docView2.props.Document;
let x1 = doc1.GetNumber(KeyStore.X, 0) + doc1.GetNumber(KeyStore.Width, 0) / 2;
let y1 = doc1.GetNumber(KeyStore.Y, 0) + doc1.GetNumber(KeyStore.Height, 0) / 2;
let x2 = doc2.GetNumber(KeyStore.X, 0) + doc2.GetNumber(KeyStore.Width, 0) / 2;
let y2 = doc2.GetNumber(KeyStore.Y, 0) + doc2.GetNumber(KeyStore.Height, 0) / 2;
let lx = Math.min(x1, x2);
let ly = Math.min(y1, y2);
let w = Math.max(x1, x2) - lx;
let h = Math.max(y1, y2) - ly;
let unflipped = (x1 == lx && y1 == ly) || (x2 == lx && y2 == ly);
return (
<div style={{ width: w, height: h, transform: `translate(${lx}px, ${ly}px)`, position: "absolute" }}>
<svg width="5000" height="5000">
<line x1="0" x2={`${w}`} y1={`${unflipped ? 0 : h}`} y2={`${unflipped ? h : 0}`} width="4" style={{ stroke: "black", strokeWidth: "5" }} ></line>
</svg>
</div>);
}
return (
<div className="collectionFreeFormDocumentView-container" ref={this._mainCont} style={{
transformOrigin: "left top",
transform: this.transform,
width: this.width,
height: this.height,
position: "absolute",
zIndex: this.zIndex,
backgroundColor: "transparent"
}} >
{this.docView}
</div>
);
}
}
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