diff options
Diffstat (limited to 'src/client/views/nodes/PDFBox.tsx')
| -rw-r--r-- | src/client/views/nodes/PDFBox.tsx | 301 |
1 files changed, 86 insertions, 215 deletions
diff --git a/src/client/views/nodes/PDFBox.tsx b/src/client/views/nodes/PDFBox.tsx index 81ceb37f6..eb45ea273 100644 --- a/src/client/views/nodes/PDFBox.tsx +++ b/src/client/views/nodes/PDFBox.tsx @@ -1,24 +1,26 @@ import * as htmlToImage from "html-to-image"; -import { action, computed, IReactionDisposer, observable, reaction } from 'mobx'; +import { action, computed, IReactionDisposer, observable, reaction, Reaction, trace } from 'mobx'; import { observer } from "mobx-react"; import 'react-image-lightbox/style.css'; import Measure from "react-measure"; //@ts-ignore import { Document, Page } from "react-pdf"; import 'react-pdf/dist/Page/AnnotationLayer.css'; -import { FieldWaiting, Opt } from '../../../fields/Field'; -import { ImageField } from '../../../fields/ImageField'; -import { KeyStore } from '../../../fields/KeyStore'; -import { PDFField } from '../../../fields/PDFField'; import { RouteStore } from "../../../server/RouteStore"; import { Utils } from '../../../Utils'; import { Annotation } from './Annotation'; import { FieldView, FieldViewProps } from './FieldView'; -import "./ImageBox.scss"; import "./PDFBox.scss"; -import { Sticky } from './Sticky'; //you should look at sticky and annotation, because they are used here import React = require("react"); import { SelectionManager } from "../../util/SelectionManager"; +import { Cast, FieldValue, NumCast } from "../../../new_fields/Types"; +import { Opt } from "../../../new_fields/Doc"; +import { DocComponent } from "../DocComponent"; +import { makeInterface } from "../../../new_fields/Schema"; +import { positionSchema } from "./DocumentView"; +import { pageSchema } from "./ImageBox"; +import { ImageField, PdfField } from "../../../new_fields/URLField"; +import { InkingControl } from "../InkingControl"; /** ALSO LOOK AT: Annotation.tsx, Sticky.tsx * This method renders PDF and puts all kinds of functionalities such as annotation, highlighting, @@ -40,46 +42,20 @@ import { SelectionManager } from "../../util/SelectionManager"; * 4) another method: click on highlight first and then drag on your desired text * 5) To make another highlight, you need to reclick on the button * - * Draw: - * 1) click draw and select color. then just draw like there's no tomorrow. - * 2) once you finish drawing your masterpiece, just reclick on the draw button to end your drawing session. - * - * Pagination: - * 1) click on arrows. You'll notice that stickies will stay in those page. But... highlights won't. - * 2) to test this out, make few area/stickies and then click on next page then come back. You'll see that they are all saved. - * - * * written by: Andrew Kim */ + +type PdfDocument = makeInterface<[typeof positionSchema, typeof pageSchema]>; +const PdfDocument = makeInterface(positionSchema, pageSchema); + @observer -export class PDFBox extends React.Component<FieldViewProps> { +export class PDFBox extends DocComponent<FieldViewProps, PdfDocument>(PdfDocument) { public static LayoutString() { return FieldView.LayoutString(PDFBox); } private _mainDiv = React.createRef<HTMLDivElement>(); - private _pdf = React.createRef<HTMLCanvasElement>(); @observable private _renderAsSvg = true; - //very useful for keeping track of X and y position throughout the PDF Canvas - private initX: number = 0; - private initY: number = 0; - - //checks if tool is on - private _toolOn: boolean = false; //checks if tool is on - private _pdfContext: any = null; //gets pdf context - private bool: Boolean = false; //general boolean debounce - private currSpan: any;//keeps track of current span (for highlighting) - - private _currTool: any; //keeps track of current tool button reference - private _drawToolOn: boolean = false; //boolean that keeps track of the drawing tool - private _drawTool = React.createRef<HTMLButtonElement>();//drawing tool button reference - - private _colorTool = React.createRef<HTMLButtonElement>(); //color button reference - private _currColor: string = "black"; //current color that user selected (for ink/pen) - - private _highlightTool = React.createRef<HTMLButtonElement>(); //highlighter button reference - private _highlightToolOn: boolean = false; - private _pdfCanvas: any; private _reactionDisposer: Opt<IReactionDisposer>; @observable private _perPageInfo: Object[] = []; //stores pageInfo @@ -89,8 +65,8 @@ export class PDFBox extends React.Component<FieldViewProps> { @observable private _interactive: boolean = false; @observable private _loaded: boolean = false; - @computed private get curPage() { return this.props.Document.GetNumber(KeyStore.CurPage, 1); } - @computed private get thumbnailPage() { return this.props.Document.GetNumber(KeyStore.ThumbnailPage, -1); } + @computed private get curPage() { return FieldValue(this.Document.curPage, 1); } + @computed private get thumbnailPage() { return Cast(this.props.Document.thumbnailPage, "number", -1); } componentDidMount() { this._reactionDisposer = reaction( @@ -112,43 +88,6 @@ export class PDFBox extends React.Component<FieldViewProps> { } /** - * selection tool used for area highlighting (stickies). Kinda temporary - */ - selectionTool = () => { - this._toolOn = true; - } - /** - * when user draws on the canvas. When mouse pointer is down - */ - drawDown = (e: PointerEvent) => { - this.initX = e.offsetX; - this.initY = e.offsetY; - this._pdfContext.beginPath(); - this._pdfContext.lineTo(this.initX, this.initY); - this._pdfContext.strokeStyle = this._currColor; - this._pdfCanvas.addEventListener("pointermove", this.drawMove); - this._pdfCanvas.addEventListener("pointerup", this.drawUp); - - } - //when user drags - drawMove = (e: PointerEvent): void => { - //x and y mouse movement - let x = this.initX += e.movementX, - y = this.initY += e.movementY; - //connects the point - this._pdfContext.lineTo(x, y); - this._pdfContext.stroke(); - } - - drawUp = (e: PointerEvent) => { - this._pdfContext.closePath(); - this._pdfCanvas.removeEventListener("pointermove", this.drawMove); - this._pdfCanvas.removeEventListener("pointerdown", this.drawDown); - this._pdfCanvas.addEventListener("pointerdown", this.drawDown); - } - - - /** * highlighting helper function */ makeEditableAndHighlight = (colour: string) => { @@ -183,7 +122,7 @@ export class PDFBox extends React.Component<FieldViewProps> { child.id = "highlighted"; //@ts-ignore obj.spans.push(child); - child.addEventListener("mouseover", this.onEnter); //adds mouseover annotation handler + // child.addEventListener("mouseover", this.onEnter); //adds mouseover annotation handler } }); } @@ -206,7 +145,7 @@ export class PDFBox extends React.Component<FieldViewProps> { child.id = "highlighted"; //@ts-ignore temp.spans.push(child); - child.addEventListener("mouseover", this.onEnter); //adds mouseover annotation handler + // child.addEventListener("mouseover", this.onEnter); //adds mouseover annotation handler } }); @@ -272,11 +211,20 @@ export class PDFBox extends React.Component<FieldViewProps> { * controls the area highlighting (stickies) Kinda temporary */ onPointerDown = (e: React.PointerEvent) => { - if (this._toolOn) { - let mouse = e.nativeEvent; - this.initX = mouse.offsetX; - this.initY = mouse.offsetY; - + if (this.props.isSelected() && !InkingControl.Instance.selectedTool && e.buttons === 1) { + if (e.altKey) { + this._alt = true; + } else { + if (e.metaKey) + e.stopPropagation(); + } + document.removeEventListener("pointerup", this.onPointerUp); + document.addEventListener("pointerup", this.onPointerUp); + } + if (this.props.isSelected() && e.buttons === 2) { + this._alt = true; + document.removeEventListener("pointerup", this.onPointerUp); + document.addEventListener("pointerup", this.onPointerUp); } } @@ -284,110 +232,28 @@ export class PDFBox extends React.Component<FieldViewProps> { * controls area highlighting and partially highlighting. Kinda temporary */ @action - onPointerUp = (e: React.PointerEvent) => { - if (this._highlightToolOn) { + onPointerUp = (e: PointerEvent) => { + this._alt = false; + document.removeEventListener("pointerup", this.onPointerUp); + if (this.props.isSelected()) { this.highlight("rgba(76, 175, 80, 0.3)"); //highlights to this default color. - this._highlightToolOn = false; - } - if (this._toolOn) { - let mouse = e.nativeEvent; - let finalX = mouse.offsetX; - let finalY = mouse.offsetY; - let width = Math.abs(finalX - this.initX); //width - let height = Math.abs(finalY - this.initY); //height - - //these two if statements are bidirectional dragging. You can drag from any point to another point and generate sticky - if (finalX < this.initX) { - this.initX = finalX; - } - if (finalY < this.initY) { - this.initY = finalY; - } - - if (this._mainDiv.current) { - let sticky = <Sticky key={Utils.GenerateGuid()} Height={height} Width={width} X={this.initX} Y={this.initY} />; - this._pageInfo.area.push(sticky); - } - this._toolOn = false; } this._interactive = true; } - /** - * starts drawing the line when user presses down. - */ - onDraw = () => { - if (this._currTool !== null) { - this._currTool.style.backgroundColor = "grey"; - } - - if (this._drawTool.current) { - this._currTool = this._drawTool.current; - if (this._drawToolOn) { - this._drawToolOn = false; - this._pdfCanvas.removeEventListener("pointerdown", this.drawDown); - this._pdfCanvas.removeEventListener("pointerup", this.drawUp); - this._pdfCanvas.removeEventListener("pointermove", this.drawMove); - this._drawTool.current.style.backgroundColor = "grey"; - } else { - this._drawToolOn = true; - this._pdfCanvas.addEventListener("pointerdown", this.drawDown); - this._drawTool.current.style.backgroundColor = "cyan"; - } - } - } - - - /** - * for changing color (for ink/pen) - */ - onColorChange = (e: React.PointerEvent) => { - if (e.currentTarget.innerHTML === "Red") { - this._currColor = "red"; - } else if (e.currentTarget.innerHTML === "Blue") { - this._currColor = "blue"; - } else if (e.currentTarget.innerHTML === "Green") { - this._currColor = "green"; - } else if (e.currentTarget.innerHTML === "Black") { - this._currColor = "black"; - } - - } - - - /** - * For highlighting (text drag highlighting) - */ - onHighlight = () => { - this._drawToolOn = false; - if (this._currTool !== null) { - this._currTool.style.backgroundColor = "grey"; - } - if (this._highlightTool.current) { - this._currTool = this._drawTool.current; - if (this._highlightToolOn) { - this._highlightToolOn = false; - this._highlightTool.current.style.backgroundColor = "grey"; - } else { - this._highlightToolOn = true; - this._highlightTool.current.style.backgroundColor = "orange"; - } - } - } @action saveThumbnail = () => { this._renderAsSvg = false; setTimeout(() => { - var me = this; - let nwidth = me.props.Document.GetNumber(KeyStore.NativeWidth, 0); - let nheight = me.props.Document.GetNumber(KeyStore.NativeHeight, 0); + let nwidth = FieldValue(this.Document.nativeWidth, 0); + let nheight = FieldValue(this.Document.nativeHeight, 0); htmlToImage.toPng(this._mainDiv.current!, { width: nwidth, height: nheight, quality: 1 }) .then(action((dataUrl: string) => { - me.props.Document.SetData(KeyStore.Thumbnail, new URL(dataUrl), ImageField); - me.props.Document.SetNumber(KeyStore.ThumbnailPage, me.props.Document.GetNumber(KeyStore.CurPage, -1)); - me._renderAsSvg = true; + this.props.Document.thumbnail = new ImageField(new URL(dataUrl)); + this.props.Document.thumbnailPage = FieldValue(this.Document.curPage, -1); + this._renderAsSvg = true; })) .catch(function (error: any) { console.error('oops, something went wrong!', error); @@ -397,24 +263,8 @@ export class PDFBox extends React.Component<FieldViewProps> { @action onLoaded = (page: any) => { - if (this._mainDiv.current) { - this._mainDiv.current.childNodes.forEach((element) => { - if (element.nodeName === "DIV") { - element.childNodes[0].childNodes.forEach((e) => { - - if (e instanceof HTMLCanvasElement) { - this._pdfCanvas = e; - this._pdfContext = e.getContext("2d"); - - } - - }); - } - }); - } - // bcz: the number of pages should really be set when the document is imported. - this.props.Document.SetNumber(KeyStore.NumPages, page._transport.numPages); + this.props.Document.numPages = page._transport.numPages; if (this._perPageInfo.length === 0) { //Makes sure it only runs once this._perPageInfo = [...Array(page._transport.numPages)]; } @@ -424,31 +274,38 @@ export class PDFBox extends React.Component<FieldViewProps> { @action setScaling = (r: any) => { // bcz: the nativeHeight should really be set when the document is imported. - // also, the native dimensions could be different for different pages of the PDF + // also, the native dimensions could be different for different pages of the canvas // so this design is flawed. - var nativeWidth = this.props.Document.GetNumber(KeyStore.NativeWidth, 0); - if (!this.props.Document.GetNumber(KeyStore.NativeHeight, 0)) { + var nativeWidth = FieldValue(this.Document.nativeWidth, 0); + if (!FieldValue(this.Document.nativeHeight, 0)) { var nativeHeight = nativeWidth * r.entry.height / r.entry.width; - this.props.Document.SetNumber(KeyStore.Height, nativeHeight / nativeWidth * this.props.Document.GetNumber(KeyStore.Width, 0)); - this.props.Document.SetNumber(KeyStore.NativeHeight, nativeHeight); + this.props.Document.height = nativeHeight / nativeWidth * FieldValue(this.Document.width, 0); + this.props.Document.nativeHeight = nativeHeight; } } - + renderHeight = 2400; + @computed + get pdfPage() { + return <Page height={this.renderHeight} pageNumber={this.curPage} onLoadSuccess={this.onLoaded} /> + } @computed get pdfContent() { let page = this.curPage; const renderHeight = 2400; - let pdfUrl = this.props.Document.GetT(this.props.fieldKey, PDFField); - let xf = this.props.Document.GetNumber(KeyStore.NativeHeight, 0) / renderHeight; + let pdfUrl = Cast(this.props.Document[this.props.fieldKey], PdfField); + let xf = FieldValue(this.Document.nativeHeight, 0) / renderHeight; + let body = NumCast(this.props.Document.nativeHeight) ? + this.pdfPage : + <Measure onResize={this.setScaling}> + {({ measureRef }) => + <div className="pdfBox-page" ref={measureRef}> + {this.pdfPage} + </div> + } + </Measure>; return <div className="pdfBox-contentContainer" key="container" style={{ transform: `scale(${xf}, ${xf})` }}> - <Document file={window.origin + RouteStore.corsProxy + `/${pdfUrl}`} renderMode={this._renderAsSvg ? "svg" : ""}> - <Measure onResize={this.setScaling}> - {({ measureRef }) => - <div className="pdfBox-page" ref={measureRef}> - <Page height={renderHeight} pageNumber={page} onLoadSuccess={this.onLoaded} /> - </div> - } - </Measure> + <Document file={window.origin + RouteStore.corsProxy + `/${pdfUrl}`} renderMode={this._renderAsSvg ? "svg" : "canvas"}> + {body} </Document> </div >; } @@ -456,8 +313,8 @@ export class PDFBox extends React.Component<FieldViewProps> { @computed get pdfRenderer() { let proxy = this._loaded ? (null) : this.imageProxyRenderer; - let pdfUrl = this.props.Document.GetT(this.props.fieldKey, PDFField); - if ((!this._interactive && proxy) || !pdfUrl || pdfUrl === FieldWaiting) { + let pdfUrl = Cast(this.props.Document[this.props.fieldKey], PdfField); + if ((!this._interactive && proxy) || !pdfUrl) { return proxy; } return [ @@ -470,18 +327,32 @@ export class PDFBox extends React.Component<FieldViewProps> { @computed get imageProxyRenderer() { - let thumbField = this.props.Document.Get(KeyStore.Thumbnail); + let thumbField = this.props.Document.thumbnail; if (thumbField) { - let path = thumbField === FieldWaiting || this.thumbnailPage !== this.curPage ? "https://image.flaticon.com/icons/svg/66/66163.svg" : - thumbField instanceof ImageField ? thumbField.Data.href : "http://cs.brown.edu/people/bcz/prairie.jpg"; + let path = this.thumbnailPage !== this.curPage ? "https://image.flaticon.com/icons/svg/66/66163.svg" : + thumbField instanceof ImageField ? thumbField.url.href : "http://cs.brown.edu/people/bcz/prairie.jpg"; return <img src={path} width="100%" />; } return (null); } - + @observable _alt = false; + @action + onKeyDown = (e: React.KeyboardEvent) => { + if (e.key === "Alt") { + this._alt = true; + } + } + @action + onKeyUp = (e: React.KeyboardEvent) => { + if (e.key === "Alt") { + this._alt = false; + } + } render() { + trace(); + let classname = "pdfBox-cont" + (this.props.isSelected() && !InkingControl.Instance.selectedTool && !this._alt ? "-interactive" : ""); return ( - <div className="pdfBox-cont" ref={this._mainDiv} onPointerDown={this.onPointerDown} onPointerUp={this.onPointerUp} > + <div className={classname} tabIndex={0} ref={this._mainDiv} onPointerDown={this.onPointerDown} onKeyDown={this.onKeyDown} onKeyUp={this.onKeyUp} > {this.pdfRenderer} </div > ); |