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import React = require("react");
import { Doc, DocListCast, WidthSym, HeightSym } from "../../../new_fields/Doc";
import { AnnotationTypes, Viewer, scale } from "./PDFViewer";
import { observer } from "mobx-react";
import { observable, IReactionDisposer, reaction, action } from "mobx";
import { BoolCast, NumCast, FieldValue, Cast, StrCast } from "../../../new_fields/Types";
import { Id } from "../../../new_fields/FieldSymbols";
import { List } from "../../../new_fields/List";
import PDFMenu from "./PDFMenu";
import { DocumentManager } from "../../util/DocumentManager";
import { PresentationView } from "../presentationview/PresentationView";
interface IAnnotationProps {
anno: Doc;
index: number;
parent: Viewer;
}
export default class Annotation extends React.Component<IAnnotationProps> {
render() {
let annotationDocs = DocListCast(this.props.anno.annotations);
let res = annotationDocs.map(a => {
let type = NumCast(a.type);
switch (type) {
// case AnnotationTypes.Pin:
// return <PinAnnotation parent={this} document={a} x={NumCast(a.x)} y={NumCast(a.y)} width={a[WidthSym]()} height={a[HeightSym]()} key={a[Id]} />;
case AnnotationTypes.Region:
return <RegionAnnotation parent={this.props.parent} document={a} index={this.props.index} x={NumCast(a.x)} y={NumCast(a.y)} width={a[WidthSym]()} height={a[HeightSym]()} key={a[Id]} />;
default:
return <div></div>;
}
});
return res;
}
}
interface IRegionAnnotationProps {
x: number;
y: number;
width: number;
height: number;
index: number;
parent: Viewer;
document: Doc;
}
@observer
class RegionAnnotation extends React.Component<IRegionAnnotationProps> {
@observable private _backgroundColor: string = "red";
private _reactionDisposer?: IReactionDisposer;
private _scrollDisposer?: IReactionDisposer;
private _mainCont: React.RefObject<HTMLDivElement>;
constructor(props: IRegionAnnotationProps) {
super(props);
this._mainCont = React.createRef();
}
componentDidMount() {
this._reactionDisposer = reaction(
() => BoolCast(this.props.document.delete),
() => {
if (BoolCast(this.props.document.delete)) {
if (this._mainCont.current) {
this._mainCont.current.style.display = "none";
}
}
},
{ fireImmediately: true }
);
this._scrollDisposer = reaction(
() => this.props.parent.Index,
() => {
if (this.props.parent.Index === this.props.index) {
this.props.parent.scrollTo(this.props.y * scale - (NumCast(this.props.parent.props.parent.Document.pdfHeight) / 2));
}
}
);
}
componentWillUnmount() {
this._reactionDisposer && this._reactionDisposer();
this._scrollDisposer && this._scrollDisposer();
}
deleteAnnotation = () => {
let annotation = DocListCast(this.props.parent.props.parent.fieldExtensionDoc.annotations);
let group = FieldValue(Cast(this.props.document.group, Doc));
if (group && annotation.indexOf(group) !== -1) {
let newAnnotations = annotation.filter(a => a !== FieldValue(Cast(this.props.document.group, Doc)));
this.props.parent.props.parent.fieldExtensionDoc.annotations = new List<Doc>(newAnnotations);
}
if (group) {
let groupAnnotations = DocListCast(group.annotations);
groupAnnotations.forEach(anno => anno.delete = true);
}
PDFMenu.Instance.fadeOut(true);
}
pinToPres = () => {
let group = FieldValue(Cast(this.props.document.group, Doc));
if (group) {
PresentationView.Instance.PinDoc(group);
}
}
@action
onPointerDown = (e: React.PointerEvent) => {
if (e.button === 0) {
let targetDoc = Cast(this.props.document.target, Doc, null);
if (targetDoc) {
DocumentManager.Instance.jumpToDocument(targetDoc, false);
}
}
if (e.button === 2) {
PDFMenu.Instance.Status = "annotation";
PDFMenu.Instance.Delete = this.deleteAnnotation.bind(this);
PDFMenu.Instance.Pinned = false;
PDFMenu.Instance.AddTag = this.addTag.bind(this);
PDFMenu.Instance.PinToPres = this.pinToPres;
PDFMenu.Instance.jumpTo(e.clientX, e.clientY, true);
}
}
addTag = (key: string, value: string): boolean => {
let group = FieldValue(Cast(this.props.document.group, Doc));
if (group) {
let valNum = parseInt(value);
group[key] = isNaN(valNum) ? value : valNum;
return true;
}
return false;
}
render() {
return (
<div className="pdfViewer-annotationBox" onPointerDown={this.onPointerDown} ref={this._mainCont}
style={{
top: this.props.y * scale,
left: this.props.x * scale,
width: this.props.width * scale,
height: this.props.height * scale,
pointerEvents: "all",
backgroundColor: this.props.parent.Index === this.props.index ? "green" : StrCast(this.props.document.color)
}}></div>
);
}
}
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