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import React = require("react");
import "./PDFMenu.scss";
import { observable, action } from "mobx";
import { observer } from "mobx-react";
import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
import { emptyFunction } from "../../../Utils";
import { Doc } from "../../../new_fields/Doc";
@observer
export default class PDFMenu extends React.Component {
static Instance: PDFMenu;
@observable private _top: number = -300;
@observable private _left: number = -300;
@observable private _opacity: number = 1;
@observable private _transition: string = "opacity 0.5s";
@observable private _transitionDelay: string = "";
@observable public Pinned: boolean = false;
StartDrag: (e: PointerEvent) => void = emptyFunction;
Highlight: (d: Doc | undefined, color: string | undefined) => void = emptyFunction;
Delete: () => void = emptyFunction;
@observable public Highlighting: boolean = false;
@observable public Status: "pdf" | "annotation" | "" = "";
private _offsetY: number = 0;
private _offsetX: number = 0;
private _mainCont: React.RefObject<HTMLDivElement>;
private _dragging: boolean = false;
constructor(props: Readonly<{}>) {
super(props);
PDFMenu.Instance = this;
this._mainCont = React.createRef();
}
pointerDown = (e: React.PointerEvent) => {
document.removeEventListener("pointermove", this.pointerMove);
document.addEventListener("pointermove", this.pointerMove);
document.removeEventListener("pointerup", this.pointerUp);
document.addEventListener("pointerup", this.pointerUp);
e.stopPropagation();
e.preventDefault();
}
pointerMove = (e: PointerEvent) => {
e.stopPropagation();
e.preventDefault();
if (this._dragging) {
return;
}
this.StartDrag(e);
this._dragging = true;
}
pointerUp = (e: PointerEvent) => {
this._dragging = false;
document.removeEventListener("pointermove", this.pointerMove);
document.removeEventListener("pointerup", this.pointerUp);
e.stopPropagation();
e.preventDefault();
}
@action
jumpTo = (x: number, y: number, forceJump: boolean = false) => {
if (!this.Pinned || forceJump) {
this._transition = this._transitionDelay = "";
this._opacity = 1;
this._left = x;
this._top = y;
}
}
@action
fadeOut = (forceOut: boolean) => {
if (!this.Pinned) {
if (this._opacity === 0.2) {
this._transition = "opacity 0.1s";
this._transitionDelay = "";
this._opacity = 0;
this._left = this._top = -300;
}
if (forceOut) {
this._transition = "";
this._transitionDelay = "";
this._opacity = 0;
this._left = this._top = -300;
}
}
}
@action
pointerLeave = (e: React.PointerEvent) => {
if (!this.Pinned) {
this._transition = "opacity 0.5s";
this._transitionDelay = "1s";
this._opacity = 0.2;
setTimeout(() => this.fadeOut(false), 3000);
}
}
@action
pointerEntered = (e: React.PointerEvent) => {
this._transition = "opacity 0.1s";
this._transitionDelay = "";
this._opacity = 1;
}
@action
togglePin = (e: React.MouseEvent) => {
this.Pinned = !this.Pinned;
if (!this.Pinned) {
this.Highlighting = false;
}
}
@action
dragging = (e: PointerEvent) => {
this._left = e.pageX - this._offsetX;
this._top = e.pageY - this._offsetY;
e.stopPropagation();
e.preventDefault();
}
dragEnd = (e: PointerEvent) => {
document.removeEventListener("pointermove", this.dragging);
document.removeEventListener("pointerup", this.dragEnd);
e.stopPropagation();
e.preventDefault();
}
dragStart = (e: React.PointerEvent) => {
document.removeEventListener("pointermove", this.dragging);
document.addEventListener("pointermove", this.dragging);
document.removeEventListener("pointerup", this.dragEnd);
document.addEventListener("pointerup", this.dragEnd);
this._offsetX = this._mainCont.current!.getBoundingClientRect().width - e.nativeEvent.offsetX;
this._offsetY = e.nativeEvent.offsetY;
e.stopPropagation();
e.preventDefault();
}
@action
highlightClicked = (e: React.MouseEvent) => {
if (!this.Pinned) {
this.Highlight(undefined, "#f4f442");
}
else {
this.Highlighting = !this.Highlighting;
this.Highlight(undefined, "#f4f442");
}
}
deleteClicked = (e: React.PointerEvent) => {
this.Delete();
}
handleContextMenu = (e: React.MouseEvent) => {
e.stopPropagation();
e.preventDefault();
}
render() {
let buttons = this.Status === "pdf" ? [
<button className="pdfMenu-button" title="Click to Highlight" onClick={this.highlightClicked}
style={this.Highlighting ? { backgroundColor: "#121212" } : {}}>
<FontAwesomeIcon icon="highlighter" size="lg" style={{ transition: "transform 0.1s", transform: this.Highlighting ? "" : "rotate(-45deg)" }} />
</button>,
<button className="pdfMenu-button" title="Drag to Annotate" onPointerDown={this.pointerDown}><FontAwesomeIcon icon="comment-alt" size="lg" /></button>,
<button className="pdfMenu-button" title="Pin Menu" onClick={this.togglePin}
style={this.Pinned ? { backgroundColor: "#121212" } : {}}>
<FontAwesomeIcon icon="thumbtack" size="lg" style={{ transition: "transform 0.1s", transform: this.Pinned ? "rotate(45deg)" : "" }} />
</button>
] : [
<button className="pdfMenu-button" title="Delete Anchor" onPointerDown={this.deleteClicked}><FontAwesomeIcon icon="trash-alt" size="lg" /></button>
];
return (
<div className="pdfMenu-cont" onPointerLeave={this.pointerLeave} onPointerEnter={this.pointerEntered} ref={this._mainCont} onContextMenu={this.handleContextMenu}
style={{ left: this._left, top: this._top, opacity: this._opacity, transition: this._transition, transitionDelay: this._transitionDelay }}>
{buttons}
{/* <button className="pdfMenu-button" title="Highlight" onClick={this.highlightClicked}
style={this.Highlighting ? { backgroundColor: "#121212" } : {}}>
<FontAwesomeIcon icon="highlighter" size="lg" style={{ transition: "transform 0.1s", transform: this.Highlighting ? "" : "rotate(-45deg)" }} />
</button>
<button className="pdfMenu-button" title="Annotate" onPointerDown={this.pointerDown}><FontAwesomeIcon icon="comment-alt" size="lg" /></button>
<button className="pdfMenu-button" title="Pin Menu" onClick={this.togglePin}
style={this._pinned ? { backgroundColor: "#121212" } : {}}>
<FontAwesomeIcon icon="thumbtack" size="lg" style={{ transition: "transform 0.1s", transform: this._pinned ? "rotate(45deg)" : "" }} />
</button> */}
<div className="pdfMenu-dragger" onPointerDown={this.dragStart} style={{ width: this.Pinned ? "20px" : "0px" }} />
</div >
);
}
}
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