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import { action, observable, ObservableMap, runInAction } from "mobx";
import { observer } from "mobx-react";
import { AclAugment, AclAdmin, AclEdit, DataSym, Doc, Opt, AclSelfEdit } from "../../fields/Doc";
import { Id } from "../../fields/FieldSymbols";
import { List } from "../../fields/List";
import { NumCast } from "../../fields/Types";
import { GetEffectiveAcl } from "../../fields/util";
import { Utils } from "../../Utils";
import { Docs } from "../documents/Documents";
import { CurrentUserUtils } from "../util/CurrentUserUtils";
import { DragManager } from "../util/DragManager";
import { undoBatch } from "../util/UndoManager";
import "./MarqueeAnnotator.scss";
import { DocumentView } from "./nodes/DocumentView";
import { FormattedTextBox } from "./nodes/formattedText/FormattedTextBox";
import { AnchorMenu } from "./pdf/AnchorMenu";
import React = require("react");
const _global = (window /* browser */ || global /* node */) as any;
export interface MarqueeAnnotatorProps {
rootDoc: Doc;
down: number[];
iframe?: () => undefined | HTMLIFrameElement;
scrollTop: number;
scaling?: () => number;
iframeScaling?: () => number;
containerOffset?: () => number[];
mainCont: HTMLDivElement;
docView: DocumentView;
savedAnnotations: ObservableMap<number, HTMLDivElement[]>;
annotationLayer: HTMLDivElement;
addDocument: (doc: Doc) => boolean;
getPageFromScroll?: (top: number) => number;
finishMarquee: (x?: number, y?: number, PointerEvent?: PointerEvent) => void;
anchorMenuClick?: () => undefined | ((anchor: Doc) => void);
}
@observer
export class MarqueeAnnotator extends React.Component<MarqueeAnnotatorProps> {
private _startX: number = 0;
private _startY: number = 0;
@observable private _left: number = 0;
@observable private _top: number = 0;
@observable private _width: number = 0;
@observable private _height: number = 0;
@action
static clearAnnotations(savedAnnotations: ObservableMap<number, HTMLDivElement[]>) {
AnchorMenu.Instance.Status = "marquee";
AnchorMenu.Instance.fadeOut(true);
// clear out old marquees and initialize menu for new selection
Array.from(savedAnnotations.values()).forEach(v => v.forEach(a => a.remove()));
savedAnnotations.clear();
}
@action componentDidMount() {
// set marquee x and y positions to the spatially transformed position
const boundingRect = this.props.mainCont.getBoundingClientRect();
this._startX = this._left = (this.props.down[0] - boundingRect.left) * (this.props.mainCont.offsetWidth / boundingRect.width);
this._startY = this._top = (this.props.down[1] - boundingRect.top) * (this.props.mainCont.offsetHeight / boundingRect.height) + this.props.mainCont.scrollTop;
this._height = this._width = 0;
const doc = (this.props.iframe?.()?.contentDocument ?? document);
doc.addEventListener("pointermove", this.onSelectMove);
doc.addEventListener("pointerup", this.onSelectEnd);
AnchorMenu.Instance.OnClick = (e: PointerEvent) => this.props.anchorMenuClick?.()?.(this.highlight("rgba(173, 216, 230, 0.75)", true));
AnchorMenu.Instance.Highlight = this.highlight;
AnchorMenu.Instance.GetAnchor = (savedAnnotations?: ObservableMap<number, HTMLDivElement[]>) => this.highlight("rgba(173, 216, 230, 0.75)", true, savedAnnotations);
AnchorMenu.Instance.onMakeAnchor = AnchorMenu.Instance.GetAnchor;
/**
* This function is used by the AnchorMenu to create an anchor highlight and a new linked text annotation.
* It also initiates a Drag/Drop interaction to place the text annotation.
*/
AnchorMenu.Instance.StartDrag = action((e: PointerEvent, ele: HTMLElement) => {
e.preventDefault();
e.stopPropagation();
const sourceAnchorCreator = () => {
const annoDoc = this.highlight("rgba(173, 216, 230, 0.75)", true); // hyperlink color
annoDoc && this.props.addDocument(annoDoc);
return annoDoc;
};
const targetCreator = (annotationOn: Doc | undefined) => {
const target = CurrentUserUtils.GetNewTextDoc("Note linked to " + this.props.rootDoc.title, 0, 0, 100, 100, undefined, annotationOn, undefined, "yellow");
FormattedTextBox.SelectOnLoad = target[Id];
return target;
};
DragManager.StartAnchorAnnoDrag([ele], new DragManager.AnchorAnnoDragData(this.props.docView, sourceAnchorCreator, targetCreator), e.pageX, e.pageY, {
dragComplete: e => {
if (!e.aborted && e.annoDragData && e.annoDragData.linkSourceDoc && e.annoDragData.dropDocument && e.linkDocument) {
e.annoDragData.linkSourceDoc.isPushpin = e.annoDragData.dropDocument.annotationOn === this.props.rootDoc;
}
}
});
});
}
componentWillUnmount() {
const doc = (this.props.iframe?.()?.contentDocument ?? document);
doc.removeEventListener("pointermove", this.onSelectMove);
doc.removeEventListener("pointerup", this.onSelectEnd);
}
@undoBatch
@action
makeAnnotationDocument = (color: string, isLinkButton?: boolean, savedAnnotations?: ObservableMap<number, HTMLDivElement[]>): Opt<Doc> => {
const savedAnnoMap = savedAnnotations ?? this.props.savedAnnotations;
if (savedAnnoMap.size === 0) return undefined;
const savedAnnos = Array.from(savedAnnoMap.values())[0];
if (savedAnnos.length && (savedAnnos[0] as any).marqueeing) {
const scale = this.props.scaling?.() || 1;
const anno = savedAnnos[0];
const containerOffset = this.props.containerOffset?.() || [0, 0];
const marqueeAnno = Docs.Create.FreeformDocument([], { _isLinkButton: isLinkButton, backgroundColor: color, annotationOn: this.props.rootDoc, title: "Annotation on " + this.props.rootDoc.title });
marqueeAnno.x = (parseInt(anno.style.left || "0") - containerOffset[0]) / scale;
marqueeAnno.y = (parseInt(anno.style.top || "0") - containerOffset[1]) / scale + NumCast(this.props.scrollTop);
marqueeAnno._height = parseInt(anno.style.height || "0") / scale;
marqueeAnno._width = parseInt(anno.style.width || "0") / scale;
anno.remove();
savedAnnoMap.clear();
return marqueeAnno;
}
const textRegionAnno = Docs.Create.HTMLAnchorDocument([], { annotationOn: this.props.rootDoc, backgroundColor: "transparent", title: "Selection on " + this.props.rootDoc.title });
let minX = Number.MAX_VALUE;
let maxX = -Number.MAX_VALUE;
let minY = Number.MAX_VALUE;
let maxY = -Number.MIN_VALUE;
const annoDocs: Doc[] = [];
savedAnnoMap.forEach((value: HTMLDivElement[], key: number) => value.map(anno => {
const textRegion = new Doc();
textRegion.x = parseInt(anno.style.left ?? "0");
textRegion.y = parseInt(anno.style.top ?? "0");
textRegion._height = parseInt(anno.style.height ?? "0");
textRegion._width = parseInt(anno.style.width ?? "0");
textRegion.annoTextRegion = textRegionAnno;
textRegion.backgroundColor = color;
annoDocs.push(textRegion);
anno.remove();
minY = Math.min(NumCast(textRegion.y), minY);
minX = Math.min(NumCast(textRegion.x), minX);
maxY = Math.max(NumCast(textRegion.y) + NumCast(textRegion._height), maxY);
maxX = Math.max(NumCast(textRegion.x) + NumCast(textRegion._width), maxX);
}));
const textRegionAnnoProto = Doc.GetProto(textRegionAnno);
textRegionAnnoProto.y = Math.max(minY, 0);
textRegionAnnoProto.x = Math.max(minX, 0);
textRegionAnnoProto.height = Math.max(maxY, 0) - Math.max(minY, 0);
textRegionAnnoProto.width = Math.max(maxX, 0) - Math.max(minX, 0);
// mainAnnoDocProto.text = this._selectionText;
textRegionAnnoProto.textInlineAnnotations = new List<Doc>(annoDocs);
savedAnnoMap.clear();
return textRegionAnno;
}
@action
highlight = (color: string, isLinkButton: boolean, savedAnnotations?: ObservableMap<number, HTMLDivElement[]>) => {
// creates annotation documents for current highlights
const effectiveAcl = GetEffectiveAcl(this.props.rootDoc[DataSym]);
const annotationDoc = [AclAugment, AclSelfEdit, AclEdit, AclAdmin].includes(effectiveAcl) && this.makeAnnotationDocument(color, isLinkButton, savedAnnotations);
!savedAnnotations && annotationDoc && this.props.addDocument(annotationDoc);
return annotationDoc as Doc ?? undefined;
}
public static previewNewAnnotation = action((savedAnnotations: ObservableMap<number, HTMLDivElement[]>, annotationLayer: HTMLDivElement, div: HTMLDivElement, page: number) => {
if (div.style.top) {
div.style.top = (parseInt(div.style.top)/*+ this.getScrollFromPage(page)*/).toString();
}
annotationLayer.append(div);
div.style.backgroundColor = "#ACCEF7";
div.style.opacity = "0.5";
const savedPage = savedAnnotations.get(page);
if (savedPage) {
savedPage.push(div);
savedAnnotations.set(page, savedPage);
}
else {
savedAnnotations.set(page, [div]);
}
});
@action
onSelectMove = (e: PointerEvent) => {
// transform positions and find the width and height to set the marquee to
const boundingRect = (this.props.iframe?.()?.contentDocument?.body || this.props.mainCont).getBoundingClientRect();
const mainRect = this.props.mainCont.getBoundingClientRect();
const cliX = e.clientX * (this.props.iframeScaling?.() || 1) - boundingRect.left;
const cliY = e.clientY * (this.props.iframeScaling?.() || 1) - boundingRect.top;
this._width = (cliX * (this.props.mainCont.offsetWidth / mainRect.width)) - this._startX;
this._height = (cliY * (this.props.mainCont.offsetHeight / mainRect.height)) - this._startY + this.props.mainCont.scrollTop;
this._left = Math.min(this._startX, this._startX + this._width);
this._top = Math.min(this._startY, this._startY + this._height);
this._width = Math.abs(this._width);
this._height = Math.abs(this._height);
e.stopPropagation();
}
onSelectEnd = (e: PointerEvent) => {
const mainRect = this.props.mainCont.getBoundingClientRect();
const cliX = e.clientX * (this.props.iframeScaling?.() || 1) + (this.props.iframe ? mainRect.left : 0);
const cliY = e.clientY * (this.props.iframeScaling?.() || 1) + (this.props.iframe ? mainRect.top : 0);
if (this._width > 10 || this._height > 10) { // configure and show the annotation/link menu if a the drag region is big enough
const marquees = this.props.mainCont.getElementsByClassName("marqueeAnnotator-dragBox");
if (marquees?.length) { // copy the temporary marquee to allow for multiple selections (not currently available though).
const copy = document.createElement("div");
["border", "opacity"].forEach(prop => copy.style[prop as any] = (marquees[0] as HTMLDivElement).style[prop as any]);
const bounds = (marquees[0] as HTMLDivElement).getBoundingClientRect();
const uitls = Utils.GetScreenTransform(marquees[0] as HTMLDivElement);
const rbounds = { top: uitls.translateY, left: uitls.translateX, width: (bounds.right - bounds.left), height: (bounds.bottom - bounds.top) };
const otls = Utils.GetScreenTransform(this.props.annotationLayer);
const fbounds = { top: (rbounds.top - otls.translateY) / otls.scale, left: (rbounds.left - otls.translateX) / otls.scale, width: rbounds.width / otls.scale, height: rbounds.height / otls.scale };
copy.style.top = fbounds.top.toString() + "px";
copy.style.left = fbounds.left.toString() + "px";
copy.style.width = fbounds.width.toString() + "px";
copy.style.height = fbounds.height.toString() + "px";
copy.className = "marqueeAnnotator-annotationBox";
(copy as any).marqueeing = true;
MarqueeAnnotator.previewNewAnnotation(this.props.savedAnnotations, this.props.annotationLayer, copy, this.props.getPageFromScroll?.(this._top) || 0);
}
AnchorMenu.Instance.jumpTo(cliX, cliY);
if (AnchorMenu.Instance.Highlighting) {// when highlighter has been toggled when menu is pinned, we auto-highlight immediately on mouse up
this.highlight("rgba(245, 230, 95, 0.75)", false); // yellowish highlight color for highlighted text (should match AnchorMenu's highlight color)
}
this.props.finishMarquee(undefined, undefined, e);
} else {
runInAction(() => this._width = this._height = 0);
this.props.finishMarquee(cliX, cliY, e);
}
}
render() {
return <div className="marqueeAnnotator-dragBox"
style={{
left: `${this._left}px`, top: `${this._top}px`,
width: `${this._width}px`, height: `${this._height}px`,
border: `${this._width === 0 ? "" : "2px dashed black"}`,
opacity: 0.2
}}>
</div>;
}
}
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