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import { action, IReactionDisposer, observable, reaction, computed } from "mobx";
import { observer } from "mobx-react";
import { Id } from "../../../new_fields/FieldSymbols";
import { NumCast } from "../../../new_fields/Types";
import { emptyFunction } from "../../../Utils";
import { ContextMenu } from "../ContextMenu";
import { FieldView, FieldViewProps } from "../nodes/FieldView";
import { PDFBox } from "../nodes/PDFBox";
import { CollectionBaseView, CollectionRenderProps, CollectionViewType } from "./CollectionBaseView";
import { CollectionFreeFormView } from "./collectionFreeForm/CollectionFreeFormView";
import "./CollectionPDFView.scss";
import React = require("react");
@observer
export class CollectionPDFView extends React.Component<FieldViewProps> {
public static LayoutString(fieldKey: string = "data", fieldExt: string = "annotations") {
return FieldView.LayoutString(CollectionPDFView, fieldKey, fieldExt);
}
private _pdfBox?: PDFBox;
private _reactionDisposer?: IReactionDisposer;
private _buttonTray: React.RefObject<HTMLDivElement> = React.createRef();
componentDidMount() {
this._reactionDisposer = reaction(
() => NumCast(this.props.Document.scrollY),
() => this.props.Document.panY = NumCast(this.props.Document.scrollY),
{ fireImmediately: true }
);
}
componentWillUnmount() {
this._reactionDisposer && this._reactionDisposer();
}
@computed
get uIButtons() {
return (
<div className="collectionPdfView-buttonTray" ref={this._buttonTray} key="tray" style={{ height: "100%" }}>
<button className="collectionPdfView-backward" onClick={() => this._pdfBox && this._pdfBox.BackPage()}>{"<"}</button>
<button className="collectionPdfView-forward" onClick={() => this._pdfBox && this._pdfBox.ForwardPage()}>{">"}</button>
</div>
);
}
onContextMenu = (e: React.MouseEvent): void => {
if (!e.isPropagationStopped() && this.props.Document[Id] !== "mainDoc") { // need to test this because GoldenLayout causes a parallel hierarchy in the React DOM for its children and the main document view7
ContextMenu.Instance.addItem({ description: "PDFOptions", event: emptyFunction, icon: "file-pdf" });
}
}
setPdfBox = (pdfBox: PDFBox) => { this._pdfBox = pdfBox; };
subView = (_type: CollectionViewType, renderProps: CollectionRenderProps) => {
return (<>
<CollectionFreeFormView {...this.props} {...renderProps} setPdfBox={this.setPdfBox} CollectionView={this} chromeCollapsed={true} />
{renderProps.active() ? this.uIButtons : (null)}
</>);
}
render() {
return (
<CollectionBaseView {...this.props} className={"collectionPdfView-cont"} onContextMenu={this.onContextMenu}>
{this.subView}
</CollectionBaseView>
);
}
}
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