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import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
import { action, computed, IReactionDisposer, observable, reaction, runInAction, untracked, trace } from 'mobx';
import { observer } from "mobx-react";
import * as Pdfjs from "pdfjs-dist";
import "pdfjs-dist/web/pdf_viewer.css";
import 'react-image-lightbox/style.css';
import { Doc, Opt, WidthSym } from "../../../new_fields/Doc";
import { makeInterface } from "../../../new_fields/Schema";
import { ScriptField } from '../../../new_fields/ScriptField';
import { Cast, NumCast } from "../../../new_fields/Types";
import { PdfField } from "../../../new_fields/URLField";
import { KeyCodes } from '../../northstar/utils/KeyCodes';
import { panZoomSchema } from '../collections/collectionFreeForm/CollectionFreeFormView';
import { DocComponent } from "../DocComponent";
import { InkingControl } from "../InkingControl";
import { PDFViewer } from "../pdf/PDFViewer";
import { documentSchema } from "./DocumentView";
import { FieldView, FieldViewProps } from './FieldView';
import { pageSchema } from "./ImageBox";
import "./PDFBox.scss";
import React = require("react");
import { undoBatch } from '../../util/UndoManager';
import { ContextMenuProps } from '../ContextMenuItem';
import { ContextMenu } from '../ContextMenu';
import { Utils } from '../../../Utils';
type PdfDocument = makeInterface<[typeof documentSchema, typeof panZoomSchema, typeof pageSchema]>;
const PdfDocument = makeInterface(documentSchema, panZoomSchema, pageSchema);
@observer
export class PDFBox extends DocComponent<FieldViewProps, PdfDocument>(PdfDocument) {
public static LayoutString(fieldExt?: string) { return FieldView.LayoutString(PDFBox, "data", fieldExt); }
private _keyValue: string = "";
private _valueValue: string = "";
private _scriptValue: string = "";
private _searchString: string = "";
private _isChildActive = false;
private _pdfViewer: PDFViewer | undefined;
private _keyRef: React.RefObject<HTMLInputElement> = React.createRef();
private _valueRef: React.RefObject<HTMLInputElement> = React.createRef();
private _scriptRef: React.RefObject<HTMLInputElement> = React.createRef();
@observable private _searching: boolean = false;
@observable private _flyout: boolean = false;
@observable private _pdf: Opt<Pdfjs.PDFDocumentProxy>;
@observable private _pageControls = false;
@computed get extensionDoc() { return Doc.fieldExtensionDoc(this.dataDoc, this.props.fieldKey); }
@computed get dataDoc() { return this.props.DataDoc && this.props.Document.isTemplate ? this.props.DataDoc : Doc.GetProto(this.props.Document); }
componentDidMount() {
const pdfUrl = Cast(this.dataDoc[this.props.fieldKey], PdfField);
if (pdfUrl instanceof PdfField) {
Pdfjs.getDocument(pdfUrl.url.pathname).promise.then(pdf => runInAction(() => this._pdf = pdf));
}
}
loaded = (nw: number, nh: number, np: number) => {
this.dataDoc.numPages = np;
if (!this.Document.nativeWidth || !this.Document.nativeHeight || !this.Document.scrollHeight) {
let oldaspect = (this.Document.nativeHeight || 0) / (this.Document.nativeWidth || 1);
this.Document.nativeWidth = nw * 96 / 72;
this.Document.nativeHeight = this.Document.nativeHeight ? nw * 96 / 72 * oldaspect : nh * 96 / 72;
}
!this.Document.fitWidth && !this.Document.ignoreAspect && (this.Document.height = this.Document[WidthSym]() * (nh / nw));
}
public search(string: string, fwd: boolean) { this._pdfViewer && this._pdfViewer.search(string, fwd); }
public prevAnnotation() { this._pdfViewer && this._pdfViewer.prevAnnotation(); }
public nextAnnotation() { this._pdfViewer && this._pdfViewer.nextAnnotation(); }
public backPage() { this._pdfViewer!.gotoPage(NumCast(this.props.Document.curPage) - 1); }
public gotoPage = (p: number) => { this._pdfViewer!.gotoPage(p); };
public forwardPage() { this._pdfViewer!.gotoPage(NumCast(this.props.Document.curPage) + 1); }
@undoBatch
@action
private applyFilter = () => {
let scriptText = this._scriptValue ? this._scriptValue :
this._keyValue && this._valueValue ? `this.${this._keyValue} === ${this._valueValue}` : "true";
this.props.Document.filterScript = ScriptField.MakeFunction(scriptText);
}
private resetFilters = () => {
this._keyValue = this._valueValue = this._scriptValue = "";
this._keyRef.current && (this._keyRef.current.value = "");
this._valueRef.current && (this._valueRef.current.value = "");
this._scriptRef.current && (this._scriptRef.current.value = "");
this.applyFilter();
}
private newKeyChange = (e: React.ChangeEvent<HTMLInputElement>) => this._keyValue = e.currentTarget.value;
private newValueChange = (e: React.ChangeEvent<HTMLInputElement>) => this._valueValue = e.currentTarget.value;
private newScriptChange = (e: React.ChangeEvent<HTMLInputElement>) => this._scriptValue = e.currentTarget.value;
whenActiveChanged = (isActive: boolean) => this.props.whenActiveChanged(this._isChildActive = isActive);
active = () => this.props.isSelected() || this._isChildActive || this.props.renderDepth === 0;
setPdfViewer = (pdfViewer: PDFViewer) => { this._pdfViewer = pdfViewer; };
searchStringChanged = (e: React.ChangeEvent<HTMLInputElement>) => this._searchString = e.currentTarget.value;
settingsPanel() {
let pageBtns = <>
<button className="pdfBox-overlayButton-iconCont" key="back" title="Page Back"
onPointerDown={(e) => e.stopPropagation()}
onClick={() => this.backPage()}
style={{ left: 50, top: 5, height: "30px", position: "absolute", pointerEvents: "all" }}>
<FontAwesomeIcon style={{ color: "white" }} icon={"arrow-left"} size="sm" />
</button>
<button className="pdfBox-overlayButton-iconCont" key="fwd" title="Page Forward"
onPointerDown={(e) => e.stopPropagation()}
onClick={() => this.forwardPage()}
style={{ left: 80, top: 5, height: "30px", position: "absolute", pointerEvents: "all" }}>
<FontAwesomeIcon style={{ color: "white" }} icon={"arrow-right"} size="sm" />
</button>
</>;
return !this.props.active() ? (null) :
(<div className="pdfBox-ui" onKeyDown={e => e.keyCode === KeyCodes.BACKSPACE || e.keyCode === KeyCodes.DELETE ? e.stopPropagation() : true}
onPointerDown={e => e.stopPropagation()} style={{ display: this.active() ? "flex" : "none", position: "absolute", width: "100%", height: "100%", zIndex: 1, pointerEvents: "none" }}>
<div className="pdfBox-overlayCont" key="cont" onPointerDown={(e) => e.stopPropagation()} style={{ left: `${this._searching ? 0 : 100}%` }}>
<button className="pdfBox-overlayButton" title="Open Search Bar" />
<input className="pdfBox-searchBar" placeholder="Search" onChange={this.searchStringChanged} onKeyDown={e => e.keyCode === KeyCodes.ENTER && this.search(this._searchString, !e.shiftKey)} />
<button title="Search" onClick={e => this.search(this._searchString, !e.shiftKey)}>
<FontAwesomeIcon icon="search" size="sm" color="white" /></button>
<button className="pdfBox-prevIcon " title="Previous Annotation" onClick={e => this.prevAnnotation()} >
<FontAwesomeIcon style={{ color: "white" }} icon={"arrow-up"} size="sm" />
</button>
<button className="pdfBox-nextIcon" title="Next Annotation" onClick={e => this.nextAnnotation()} >
<FontAwesomeIcon style={{ color: "white" }} icon={"arrow-down"} size="sm" />
</button>
</div>
<button className="pdfBox-overlayButton" key="search" onClick={action(() => this._searching = !this._searching)} title="Open Search Bar" style={{ bottom: 8, right: 0 }}>
<div className="pdfBox-overlayButton-arrow" onPointerDown={(e) => e.stopPropagation()}></div>
<div className="pdfBox-overlayButton-iconCont" onPointerDown={(e) => e.stopPropagation()}>
<FontAwesomeIcon style={{ color: "white", padding: 5 }} icon={this._searching ? "times" : "search"} size="3x" /></div>
</button>
<input value={`${NumCast(this.props.Document.curPage)}`}
onChange={e => this.gotoPage(Number(e.currentTarget.value))}
style={{ left: 20, top: 5, height: "30px", width: "30px", position: "absolute", pointerEvents: "all" }}
onClick={action(() => this._pageControls = !this._pageControls)} />
{this._pageControls ? pageBtns : (null)}
<div className="pdfBox-settingsCont" key="settings" onPointerDown={(e) => e.stopPropagation()}>
<button className="pdfBox-settingsButton" onClick={action(() => this._flyout = !this._flyout)} title="Open Annotation Settings" >
<div className="pdfBox-settingsButton-arrow" style={{ transform: `scaleX(${this._flyout ? -1 : 1})` }} />
<div className="pdfBox-settingsButton-iconCont">
<FontAwesomeIcon style={{ color: "white", padding: 5 }} icon="cog" size="3x" />
</div>
</button>
<div className="pdfBox-settingsFlyout" style={{ right: `${this._flyout ? 20 : -600}px` }} >
<div className="pdfBox-settingsFlyout-title">
Annotation View Settings
</div>
<div className="pdfBox-settingsFlyout-kvpInput">
<input placeholder="Key" className="pdfBox-settingsFlyout-input" onChange={this.newKeyChange} style={{ gridColumn: 1 }} ref={this._keyRef} />
<input placeholder="Value" className="pdfBox-settingsFlyout-input" onChange={this.newValueChange} style={{ gridColumn: 3 }} ref={this._valueRef} />
</div>
<div className="pdfBox-settingsFlyout-kvpInput">
<input placeholder="Custom Script" onChange={this.newScriptChange} style={{ gridColumn: "1 / 4" }} ref={this._scriptRef} />
</div>
<div className="pdfBox-settingsFlyout-kvpInput">
<button style={{ gridColumn: 1 }} onClick={this.resetFilters}>
<FontAwesomeIcon style={{ color: "white" }} icon="trash" size="lg" />
Reset Filters
</button>
<button style={{ gridColumn: 3 }} onClick={this.applyFilter}>
<FontAwesomeIcon style={{ color: "white" }} icon="check" size="lg" />
Apply
</button>
</div>
</div>
</div>
</div>);
}
specificContextMenu = (e: React.MouseEvent): void => {
const pdfUrl = Cast(this.dataDoc[this.props.fieldKey], PdfField);
let funcs: ContextMenuProps[] = [];
pdfUrl && funcs.push({ description: "Copy path", event: () => Utils.CopyText(pdfUrl.url.pathname), icon: "expand-arrows-alt" });
funcs.push({ description: "Toggle Fit Width " + (this.Document.fitWidth ? "Off" : "On"), event: () => this.Document.fitWidth = !this.Document.fitWidth, icon: "expand-arrows-alt" });
ContextMenu.Instance.addItem({ description: "Pdf Funcs...", subitems: funcs, icon: "asterisk" });
}
render() {
const pdfUrl = Cast(this.dataDoc[this.props.fieldKey], PdfField);
let classname = "pdfBox-cont" + (InkingControl.Instance.selectedTool || !this.active ? "" : "-interactive");
return (!(pdfUrl instanceof PdfField) || !this._pdf ?
<div>{`pdf, ${this.dataDoc[this.props.fieldKey]}, not found`}</div> :
<div className={classname} onContextMenu={this.specificContextMenu} onPointerDown={(e: React.PointerEvent) => {
let hit = document.elementFromPoint(e.clientX, e.clientY);
if (hit && hit.localName === "span" && this.props.isSelected()) { // drag selecting text stops propagation
e.button === 0 && e.stopPropagation();
}
}}>
<PDFViewer {...this.props} pdf={this._pdf} url={pdfUrl.url.pathname} active={this.props.active} loaded={this.loaded}
setPdfViewer={this.setPdfViewer} ContainingCollectionView={this.props.ContainingCollectionView}
renderDepth={this.props.renderDepth} PanelHeight={this.props.PanelHeight} PanelWidth={this.props.PanelWidth}
Document={this.props.Document} DataDoc={this.dataDoc} ContentScaling={this.props.ContentScaling}
addDocTab={this.props.addDocTab} GoToPage={this.gotoPage}
pinToPres={this.props.pinToPres} addDocument={this.props.addDocument}
ScreenToLocalTransform={this.props.ScreenToLocalTransform} select={this.props.select}
isSelected={this.props.isSelected} whenActiveChanged={this.whenActiveChanged}
fieldKey={this.props.fieldKey} fieldExtensionDoc={this.extensionDoc} />
{this.settingsPanel()}
</div>);
}
}
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