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import { computed, trace } 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");
@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 width(): number {
return this.props.Document.GetNumber(KeyStore.Width, 0);
}
@computed
get nativeWidth(): number {
return this.props.Document.GetNumber(KeyStore.NativeWidth, 0);
}
set width(w: number) {
this.props.Document.SetData(KeyStore.Width, w, NumberField)
if (this.nativeWidth > 0 && this.nativeHeight > 0) {
this.props.Document.SetNumber(KeyStore.Height, this.nativeHeight / this.nativeWidth * w)
}
}
@computed
get height(): number {
return this.props.Document.GetNumber(KeyStore.Height, 0);
}
@computed
get nativeHeight(): number {
return this.props.Document.GetNumber(KeyStore.NativeHeight, 0);
}
set height(h: number) {
this.props.Document.SetData(KeyStore.Height, h, NumberField);
if (this.nativeWidth > 0 && this.nativeHeight > 0) {
this.props.Document.SetNumber(KeyStore.Width, this.nativeWidth / this.nativeHeight * h)
}
}
@computed
get zIndex(): number {
return this.props.Document.GetNumber(KeyStore.ZIndex, 0);
}
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}
/>
}
render() {
return (
<div 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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