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import { action, observable, trace } from 'mobx';
import { observer } from "mobx-react";
import Lightbox from 'react-image-lightbox';
import 'react-image-lightbox/style.css'; // This only needs to be imported once in your app
import { Utils } from '../../../Utils';
import { DragManager } from '../../util/DragManager';
import { undoBatch } from '../../util/UndoManager';
import { ContextMenu } from "../../views/ContextMenu";
import { FieldView, FieldViewProps } from './FieldView';
import "./ImageBox.scss";
import React = require("react");
import { createSchema, makeInterface, listSpec } from '../../../new_fields/Schema';
import { DocComponent } from '../DocComponent';
import { positionSchema } from './DocumentView';
import { FieldValue, Cast, StrCast, PromiseValue } from '../../../new_fields/Types';
import { ImageField } from '../../../new_fields/URLField';
import { List } from '../../../new_fields/List';
import { InkingControl } from '../InkingControl';
import { Doc } from '../../../new_fields/Doc';
import { faImage } from '@fortawesome/free-solid-svg-icons';
import { library } from '@fortawesome/fontawesome-svg-core';
var path = require('path');
library.add(faImage);
export const pageSchema = createSchema({
curPage: "number"
});
type ImageDocument = makeInterface<[typeof pageSchema, typeof positionSchema]>;
const ImageDocument = makeInterface(pageSchema, positionSchema);
@observer
export class ImageBox extends DocComponent<FieldViewProps, ImageDocument>(ImageDocument) {
public static LayoutString() { return FieldView.LayoutString(ImageBox); }
private _imgRef: React.RefObject<HTMLImageElement> = React.createRef();
private _downX: number = 0;
private _downY: number = 0;
private _lastTap: number = 0;
@observable private _photoIndex: number = 0;
@observable private _isOpen: boolean = false;
private dropDisposer?: DragManager.DragDropDisposer;
protected createDropTarget = (ele: HTMLDivElement) => {
if (this.dropDisposer) {
this.dropDisposer();
}
if (ele) {
this.dropDisposer = DragManager.MakeDropTarget(ele, { handlers: { drop: this.drop.bind(this) } });
}
}
onDrop = (e: React.DragEvent) => {
e.stopPropagation();
e.preventDefault();
console.log("IMPLEMENT ME PLEASE");
}
@undoBatch
drop = (e: Event, de: DragManager.DropEvent) => {
if (de.data instanceof DragManager.DocumentDragData) {
de.data.droppedDocuments.forEach(action((drop: Doc) => {
let layout = StrCast(drop.backgroundLayout);
if (layout.indexOf(ImageBox.name) !== -1) {
let imgData = this.props.Document[this.props.fieldKey];
if (imgData instanceof ImageField) {
Doc.SetOnPrototype(this.props.Document, "data", new List([imgData]));
}
let imgList = Cast(this.props.Document[this.props.fieldKey], listSpec(ImageField), [] as any[]);
if (imgList) {
let field = drop.data;
if (field instanceof ImageField) imgList.push(field);
else if (field instanceof List) imgList.concat(field);
}
e.stopPropagation();
}
}));
// de.data.removeDocument() bcz: need to implement
}
}
onPointerDown = (e: React.PointerEvent): void => {
if (e.shiftKey && e.ctrlKey)
e.stopPropagation();
// if (Date.now() - this._lastTap < 300) {
// if (e.buttons === 1) {
// this._downX = e.clientX;
// this._downY = e.clientY;
// document.removeEventListener("pointerup", this.onPointerUp);
// document.addEventListener("pointerup", this.onPointerUp);
// }
// } else {
// this._lastTap = Date.now();
// }
}
@action
onPointerUp = (e: PointerEvent): void => {
document.removeEventListener("pointerup", this.onPointerUp);
if (Math.abs(e.clientX - this._downX) < 2 && Math.abs(e.clientY - this._downY) < 2) {
this._isOpen = true;
}
e.stopPropagation();
}
lightbox = (images: string[]) => {
if (this._isOpen) {
return (<Lightbox
mainSrc={images[this._photoIndex]}
nextSrc={images[(this._photoIndex + 1) % images.length]}
prevSrc={images[(this._photoIndex + images.length - 1) % images.length]}
onCloseRequest={action(() =>
this._isOpen = false
)}
onMovePrevRequest={action(() =>
this._photoIndex = (this._photoIndex + images.length - 1) % images.length
)}
onMoveNextRequest={action(() =>
this._photoIndex = (this._photoIndex + 1) % images.length
)}
/>);
}
}
specificContextMenu = (e: React.MouseEvent): void => {
let field = Cast(this.Document[this.props.fieldKey], ImageField);
if (field) {
let url = field.url.href;
ContextMenu.Instance.addItem({
description: "Copy path", event: () => {
Utils.CopyText(url);
}, icon: "expand-arrows-alt"
});
}
}
@action
onDotDown(index: number) {
this._photoIndex = index;
this.Document.curPage = index;
}
dots(paths: string[]) {
let nativeWidth = FieldValue(this.Document.nativeWidth, 1);
let dist = Math.min(nativeWidth / paths.length, 40);
let left = (nativeWidth - paths.length * dist) / 2;
return paths.map((p, i) =>
<div className="imageBox-placer" key={i} >
<div className="imageBox-dot" style={{ background: (i === this._photoIndex ? "black" : "gray"), transform: `translate(${i * dist + left}px, 0px)` }} onPointerDown={(e: React.PointerEvent) => { e.stopPropagation(); this.onDotDown(i); }} />
</div>
);
}
choosePath(url: URL) {
const lower = url.href.toLowerCase();
if (url.protocol === "data" || url.href.indexOf(window.location.origin) === -1 || !(lower.endsWith(".png") || lower.endsWith(".jpg") || lower.endsWith(".jpeg"))) {
return url.href;
}
let ext = path.extname(url.href);
return url.href.replace(ext, this._curSuffix + ext);
}
@observable _smallRetryCount = 1;
@observable _mediumRetryCount = 1;
@observable _largeRetryCount = 1;
@action retryPath = () => {
if (this._curSuffix === "_s") this._smallRetryCount++;
if (this._curSuffix === "_m") this._mediumRetryCount++;
if (this._curSuffix === "_l") this._largeRetryCount++;
}
@action onError = () => {
let timeout = this._curSuffix === "_s" ? this._smallRetryCount : this._curSuffix === "_m" ? this._mediumRetryCount : this._largeRetryCount;
if (timeout < 10)
setTimeout(this.retryPath, Math.min(10000, timeout * 5));
}
_curSuffix = "_m";
render() {
// let transform = this.props.ScreenToLocalTransform().inverse();
let pw = typeof this.props.PanelWidth === "function" ? this.props.PanelWidth() : typeof this.props.PanelWidth === "number" ? (this.props.PanelWidth as any) as number : 50;
// var [sptX, sptY] = transform.transformPoint(0, 0);
// let [bptX, bptY] = transform.transformPoint(pw, this.props.PanelHeight());
// let w = bptX - sptX;
let id = (this.props as any).id; // bcz: used to set id = "isExpander" in templates.tsx
let nativeWidth = FieldValue(this.Document.nativeWidth, pw);
let paths: string[] = ["http://www.cs.brown.edu/~bcz/noImage.png"];
// this._curSuffix = "";
// if (w > 20) {
let field = this.Document[this.props.fieldKey];
// if (w < 100 && this._smallRetryCount < 10) this._curSuffix = "_s";
// else if (w < 600 && this._mediumRetryCount < 10) this._curSuffix = "_m";
// else if (this._largeRetryCount < 10) this._curSuffix = "_l";
if (field instanceof ImageField) paths = [this.choosePath(field.url)];
else if (field instanceof List) paths = field.filter(val => val instanceof ImageField).map(p => this.choosePath((p as ImageField).url));
// }
let interactive = InkingControl.Instance.selectedTool ? "" : "-interactive";
return (
<div id={id} className={`imageBox-cont${interactive}`}
onPointerDown={this.onPointerDown}
onDrop={this.onDrop} ref={this.createDropTarget} onContextMenu={this.specificContextMenu}>
<img id={id}
key={this._smallRetryCount + (this._mediumRetryCount << 4) + (this._largeRetryCount << 8)} // force cache to update on retrys
src={paths[Math.min(paths.length, this._photoIndex)]}
// style={{ objectFit: (this._photoIndex === 0 ? undefined : "contain") }}
width={nativeWidth}
ref={this._imgRef}
onError={this.onError} />
{paths.length > 1 ? this.dots(paths) : (null)}
{/* {this.lightbox(paths)} */}
</div>);
}
}
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