From 4796d17b089824df4455788c564414526c08eaa4 Mon Sep 17 00:00:00 2001 From: bob Date: Fri, 8 Mar 2019 09:21:18 -0500 Subject: merged with master --- src/client/documents/Documents.ts | 5 +- src/client/util/DragManager.ts | 6 +- .../views/collections/CollectionFreeFormView.tsx | 16 +- src/client/views/nodes/DocumentView.tsx | 4 +- src/client/views/nodes/PDFBox.scss | 15 + src/client/views/nodes/PDFBox.tsx | 515 +++++++++++++++++++++ src/client/views/nodes/PDFNode.scss | 15 - src/client/views/nodes/PDFNode.tsx | 515 --------------------- 8 files changed, 544 insertions(+), 547 deletions(-) create mode 100644 src/client/views/nodes/PDFBox.scss create mode 100644 src/client/views/nodes/PDFBox.tsx delete mode 100644 src/client/views/nodes/PDFNode.scss delete mode 100644 src/client/views/nodes/PDFNode.tsx (limited to 'src') diff --git a/src/client/documents/Documents.ts b/src/client/documents/Documents.ts index 47b8ea844..f73823603 100644 --- a/src/client/documents/Documents.ts +++ b/src/client/documents/Documents.ts @@ -14,9 +14,8 @@ import { HtmlField } from "../../fields/HtmlField"; import { Key } from "../../fields/Key" import { Field } from "../../fields/Field"; import { KeyValueBox } from "../views/nodes/KeyValueBox" -import { KVPField } from "../../fields/KVPField"; import { PDFField } from "../../fields/PDFField"; -import { PDFNode } from "../views/nodes/PDFNode"; +import { PDFBox } from "../views/nodes/PDFBox"; export interface DocumentOptions { x?: number; @@ -100,7 +99,7 @@ export namespace Documents { if (!pdfProto) { pdfProto = setupPrototypeOptions(pdfProtoId, "PDF_PROTO", CollectionView.LayoutString("AnnotationsKey"), { x: 0, y: 0, nativeWidth: 600, width: 300, layoutKeys: [KeyStore.Data, KeyStore.Annotations] }); - pdfProto.SetText(KeyStore.BackgroundLayout, PDFNode.LayoutString()); + pdfProto.SetText(KeyStore.BackgroundLayout, PDFBox.LayoutString()); } return pdfProto; } diff --git a/src/client/util/DragManager.ts b/src/client/util/DragManager.ts index a7af399e2..513a6ac9e 100644 --- a/src/client/util/DragManager.ts +++ b/src/client/util/DragManager.ts @@ -124,15 +124,15 @@ export namespace DragManager { // So we replace the pdf's canvas with the image thumbnail const docView: DocumentView = dragData["documentView"]; const doc: Document = docView ? docView.props.Document : dragData["document"]; - var pdfNode = dragElement.getElementsByClassName("pdfNode-cont")[0] as HTMLElement; + var pdfBox = dragElement.getElementsByClassName("pdfBox-cont")[0] as HTMLElement; let thumbnail = doc.GetT(KeyStore.Thumbnail, ImageField); - if (pdfNode && pdfNode.childElementCount && thumbnail) { + if (pdfBox && pdfBox.childElementCount && thumbnail) { let img = new Image(); img!.src = thumbnail.toString(); img!.style.position = "absolute"; img!.style.width = `${rect.width / scaleX}px`; img!.style.height = `${rect.height / scaleY}px`; - pdfNode.replaceChild(img!, pdfNode.children[0]) + pdfBox.replaceChild(img!, pdfBox.children[0]) } dragDiv.appendChild(dragElement); diff --git a/src/client/views/collections/CollectionFreeFormView.tsx b/src/client/views/collections/CollectionFreeFormView.tsx index 86d9a10e3..74e70ef33 100644 --- a/src/client/views/collections/CollectionFreeFormView.tsx +++ b/src/client/views/collections/CollectionFreeFormView.tsx @@ -1,30 +1,28 @@ -import { observable, action, computed } from "mobx"; +import { action, computed, observable } from "mobx"; import { observer } from "mobx-react"; import { Document } from "../../../fields/Document"; import { FieldWaiting } from "../../../fields/Field"; import { KeyStore } from "../../../fields/KeyStore"; import { ListField } from "../../../fields/ListField"; import { TextField } from "../../../fields/TextField"; +import { Documents } from "../../documents/Documents"; import { DragManager } from "../../util/DragManager"; import { Transform } from "../../util/Transform"; import { undoBatch } from "../../util/UndoManager"; import { CollectionDockingView } from "../collections/CollectionDockingView"; import { CollectionSchemaView } from "../collections/CollectionSchemaView"; import { CollectionView } from "../collections/CollectionView"; +import { InkingCanvas } from "../InkingCanvas"; import { CollectionFreeFormDocumentView } from "../nodes/CollectionFreeFormDocumentView"; import { DocumentView } from "../nodes/DocumentView"; import { FormattedTextBox } from "../nodes/FormattedTextBox"; import { ImageBox } from "../nodes/ImageBox"; -import { PDFNode } from "../nodes/PDFNode"; +import { KeyValueBox } from "../nodes/KeyValueBox"; +import { PDFBox } from "../nodes/PDFBox"; import { WebBox } from "../nodes/WebBox"; -import { KeyValueBox } from "../nodes/KeyValueBox" import "./CollectionFreeFormView.scss"; import { COLLECTION_BORDER_WIDTH } from "./CollectionView"; import { CollectionViewBase } from "./CollectionViewBase"; -import { Documents } from "../../documents/Documents"; -import { InkingCanvas } from "../InkingCanvas"; -import { InkingControl } from "../InkingControl"; -import { InkTool } from "../../../fields/InkField"; import React = require("react"); const JsxParser = require('react-jsx-parser').default;//TODO Why does this need to be imported like this? @@ -250,7 +248,7 @@ export class CollectionFreeFormView extends CollectionViewBase { get backgroundView() { return !this.backgroundLayout ? (null) : ( { } @computed get mainContent() { return { + public static LayoutString() { return FieldView.LayoutString(PDFBox); } + + private _mainDiv = React.createRef() + private _pdf = React.createRef(); + + //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()//drawing tool button reference + + private _colorTool = React.createRef(); //color button reference + private _currColor: string = "black"; //current color that user selected (for ink/pen) + + private _highlightTool = React.createRef(); //highlighter button reference + private _highlightToolOn: boolean = false; + private _pdfCanvas: any; + + @observable private _perPageInfo: Object[] = []; //stores pageInfo + @observable private _pageInfo: any = { area: [], divs: [], anno: [] }; //divs is array of objects linked to anno + + @observable private _currAnno: any = [] + @observable private _page: number = 1; //default is the first page. + @observable private _numPages: number = 1; //default number of pages + @observable private _interactive: boolean = false; + @observable private _loaded: boolean = false; + + /** + * for pagination backwards + */ + @action + onPageBack = () => { + if (this._page > 1) { + this._page -= 1; + this._currAnno = []; + this._perPageInfo[this._page] = this._pageInfo + this._pageInfo = { area: [], divs: [], anno: [] }; //resets the object to default + if (this._perPageInfo[this._page - 1]) { + this._pageInfo = this._perPageInfo[this._page - 1]; + } + this.saveThumbnail(); + } + } + + /** + * for pagination forwards + */ + @action + onPageForward = () => { + if (this._page < this._numPages) { + this._page += 1; + this._currAnno = []; + this._perPageInfo[this._page - 2] = this._pageInfo; + this._pageInfo = { area: [], divs: [], anno: [] }; //resets the object to default + if (this._perPageInfo[this._page - 1]) { + this._pageInfo = this._perPageInfo[this._page - 1]; + } + this.saveThumbnail(); + } + } + + /** + * 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) => { + var range, sel = window.getSelection(); + if (sel.rangeCount && sel.getRangeAt) { + range = sel.getRangeAt(0); + } + document.designMode = "on"; + if (!document.execCommand("HiliteColor", false, colour)) { + document.execCommand("HiliteColor", false, colour); + } + + if (range) { + sel.removeAllRanges(); + sel.addRange(range); + + let obj: Object = { parentDivs: [], spans: [] }; + //@ts-ignore + if (range.commonAncestorContainer.className == 'react-pdf__Page__textContent') { //multiline highlighting case + obj = this.highlightNodes(range.commonAncestorContainer.childNodes) + } else { //single line highlighting case + let parentDiv = range.commonAncestorContainer.parentElement + if (parentDiv) { + if (parentDiv.className == 'react-pdf__Page__textContent') { //when highlight is overwritten + obj = this.highlightNodes(parentDiv.childNodes) + } else { + parentDiv.childNodes.forEach((child) => { + if (child.nodeName == 'SPAN') { + //@ts-ignore + obj.parentDivs.push(parentDiv) + //@ts-ignore + child.id = "highlighted" + //@ts-ignore + obj.spans.push(child) + child.addEventListener("mouseover", this.onEnter); //adds mouseover annotation handler + } + }) + } + } + } + this._pageInfo.divs.push(obj); + + } + document.designMode = "off"; + } + + highlightNodes = (nodes: NodeListOf) => { + let temp = { parentDivs: [], spans: [] } + nodes.forEach((div) => { + div.childNodes.forEach((child) => { + if (child.nodeName == 'SPAN') { + //@ts-ignore + temp.parentDivs.push(div) + //@ts-ignore + child.id = "highlighted" + //@ts-ignore + temp.spans.push(child) + child.addEventListener("mouseover", this.onEnter); //adds mouseover annotation handler + } + }) + + }) + return temp; + } + + /** + * when the cursor enters the highlight, it pops out annotation. ONLY WORKS FOR SINGLE DIV LINES + */ + @action + onEnter = (e: any) => { + let span: HTMLSpanElement = e.toElement; + let index: any; + this._pageInfo.divs.forEach((obj: any) => { + obj.spans.forEach((element: any) => { + if (element == span) { + if (!index) { + index = this._pageInfo.divs.indexOf(obj); + } + } + }) + }) + + if (this._pageInfo.anno.length >= index + 1) { + if (this._currAnno.length == 0) { + this._currAnno.push(this._pageInfo.anno[index]); + } + } else { + if (this._currAnno.length == 0) { //if there are no current annotation + let div = span.offsetParent; + //@ts-ignore + let divX = div.style.left + //@ts-ignore + let divY = div.style.top + //slicing "px" from the end + divX = divX.slice(0, divX.length - 2); //gets X of the DIV element (parent of Span) + divY = divY.slice(0, divY.length - 2); //gets Y of the DIV element (parent of Span) + let annotation = + this._pageInfo.anno.push(annotation); + this._currAnno.push(annotation); + } + } + + } + + /** + * highlight function for highlighting actual text. This works fine. + */ + highlight = (color: string) => { + if (window.getSelection()) { + try { + if (!document.execCommand("hiliteColor", false, color)) { + this.makeEditableAndHighlight(color); + } + } catch (ex) { + this.makeEditableAndHighlight(color) + } + } + } + + /** + * 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; + + } + } + + /** + * controls area highlighting and partially highlighting. Kinda temporary + */ + @action + onPointerUp = (e: React.PointerEvent) => { + if (this._highlightToolOn) { + 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 = + 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 = () => { + setTimeout(() => { + var me = this; + htmlToImage.toPng(this._mainDiv.current!, + { width: me.props.doc.GetNumber(KeyStore.NativeWidth, 0), height: me.props.doc.GetNumber(KeyStore.NativeHeight, 0), quality: 0.5 }) + .then(function (dataUrl: string) { + me.props.doc.SetData(KeyStore.Thumbnail, new URL(dataUrl), ImageField); + }) + .catch(function (error: any) { + console.error('oops, something went wrong!', error); + }); + }, 1000); + } + + @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") + + } + + }) + } + }) + } + this._numPages = page._transport.numPages; + if (this._perPageInfo.length == 0) { //Makes sure it only runs once + this._perPageInfo = [...Array(this._numPages)] + } + this._loaded = true; + } + + @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 + // so this design is flawed. + var nativeWidth = this.props.doc.GetNumber(KeyStore.NativeWidth, 0); + if (!this.props.doc.GetNumber(KeyStore.NativeHeight, 0)) { + this.props.doc.SetNumber(KeyStore.NativeHeight, nativeWidth * r.entry.height / r.entry.width); + } + if (!this.props.doc.GetT(KeyStore.Thumbnail, ImageField)) { + this.saveThumbnail(); + } + } + + @computed + get uIButtons() { + return ( +
+ + + + + + + + + +
); + } + + @computed + get pdfContent() { + const renderHeight = 2400; + let pdfUrl = this.props.doc.GetT(this.props.fieldKey, PDFField); + let xf = this.props.doc.GetNumber(KeyStore.NativeHeight, 0) / renderHeight; + return
+ + + {({ measureRef }) => +
+ +
+ } + + +
; + } + + @computed + get pdfRenderer() { + let proxy = this._loaded ? (null) : this.imageProxyRenderer; + let pdfUrl = this.props.doc.GetT(this.props.fieldKey, PDFField); + if ((!this._interactive && proxy) || !pdfUrl || pdfUrl == FieldWaiting) { + return proxy; + } + return [ + this._pageInfo.area.filter(() => this._pageInfo.area).map((element: any) => element), + this._currAnno.map((element: any) => element), + this.uIButtons, +
+ {this.pdfContent} + {proxy} +
+ ]; + } + + @computed + get imageProxyRenderer() { + let field = this.props.doc.Get(KeyStore.Thumbnail); + if (field) { + let path = field == FieldWaiting ? "https://image.flaticon.com/icons/svg/66/66163.svg" : + field instanceof ImageField ? field.Data.href : "http://cs.brown.edu/people/bcz/prairie.jpg"; + return ; + } + return (null); + } + + render() { + return ( +
+ {this.pdfRenderer} +
+ ); + } + +} \ No newline at end of file diff --git a/src/client/views/nodes/PDFNode.scss b/src/client/views/nodes/PDFNode.scss deleted file mode 100644 index 18ebca952..000000000 --- a/src/client/views/nodes/PDFNode.scss +++ /dev/null @@ -1,15 +0,0 @@ -.react-pdf__Page { - transform-origin: left top; - position: absolute; -} -.react-pdf__Document { - position: absolute; -} -.pdfNode-buttonTray { - position:absolute; - z-index: 25; -} -.pdfNode-contentContainer { - position: absolute; - transform-origin: "left top"; -} \ No newline at end of file diff --git a/src/client/views/nodes/PDFNode.tsx b/src/client/views/nodes/PDFNode.tsx deleted file mode 100644 index 648bd3e62..000000000 --- a/src/client/views/nodes/PDFNode.tsx +++ /dev/null @@ -1,515 +0,0 @@ -import { action, observable, _interceptReads, computed } from 'mobx'; -import { observer } from "mobx-react"; -import Measure from "react-measure"; -import 'react-image-lightbox/style.css'; -//@ts-ignore -import { Document, Page } from "react-pdf"; -import 'react-pdf/dist/Page/AnnotationLayer.css'; -import { Utils } from '../../../Utils'; -import { Annotation } from './Annotation'; -import { FieldView, FieldViewProps } from './FieldView'; -import "./ImageBox.scss"; -import { Sticky } from './Sticky'; //you should look at sticky and annotation, because they are used here -import React = require("react") -import { KeyStore } from '../../../fields/KeyStore'; -import "./PDFNode.scss"; -import { PDFField } from '../../../fields/PDFField'; -import { FieldWaiting } from '../../../fields/Field'; -import { ImageField } from '../../../fields/ImageField'; -import * as htmlToImage from "html-to-image"; -import { url } from 'inspector'; - -/** ALSO LOOK AT: Annotation.tsx, Sticky.tsx - * This method renders PDF and puts all kinds of functionalities such as annotation, highlighting, - * area selection (I call it stickies), embedded ink node for directly annotating using a pen or - * mouse, and pagination. - * - * - * HOW TO USE: - * AREA selection: - * 1) Click on Area button. - * 2) click on any part of the PDF, and drag to get desired sized area shape - * 3) You can write on the area (hence the reason why it's called sticky) - * 4) to make another area, you need to click on area button AGAIN. - * - * HIGHLIGHT: (Buggy. No multiline/multidiv text highlighting for now...) - * 1) just click and drag on a text - * 2) click highlight - * 3) for annotation, just pull your cursor over to that text - * 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 - */ -@observer -export class PDFNode extends React.Component { - public static LayoutString() { return FieldView.LayoutString(PDFNode); } - - private _mainDiv = React.createRef() - private _pdf = React.createRef(); - - //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()//drawing tool button reference - - private _colorTool = React.createRef(); //color button reference - private _currColor: string = "black"; //current color that user selected (for ink/pen) - - private _highlightTool = React.createRef(); //highlighter button reference - private _highlightToolOn: boolean = false; - private _pdfCanvas: any; - - @observable private _perPageInfo: Object[] = []; //stores pageInfo - @observable private _pageInfo: any = { area: [], divs: [], anno: [] }; //divs is array of objects linked to anno - - @observable private _currAnno: any = [] - @observable private _page: number = 1; //default is the first page. - @observable private _numPages: number = 1; //default number of pages - @observable private _interactive: boolean = false; - @observable private _loaded: boolean = false; - - /** - * for pagination backwards - */ - @action - onPageBack = () => { - if (this._page > 1) { - this._page -= 1; - this._currAnno = []; - this._perPageInfo[this._page] = this._pageInfo - this._pageInfo = { area: [], divs: [], anno: [] }; //resets the object to default - if (this._perPageInfo[this._page - 1]) { - this._pageInfo = this._perPageInfo[this._page - 1]; - } - this.saveThumbnail(); - } - } - - /** - * for pagination forwards - */ - @action - onPageForward = () => { - if (this._page < this._numPages) { - this._page += 1; - this._currAnno = []; - this._perPageInfo[this._page - 2] = this._pageInfo; - this._pageInfo = { area: [], divs: [], anno: [] }; //resets the object to default - if (this._perPageInfo[this._page - 1]) { - this._pageInfo = this._perPageInfo[this._page - 1]; - } - this.saveThumbnail(); - } - } - - /** - * 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) => { - var range, sel = window.getSelection(); - if (sel.rangeCount && sel.getRangeAt) { - range = sel.getRangeAt(0); - } - document.designMode = "on"; - if (!document.execCommand("HiliteColor", false, colour)) { - document.execCommand("HiliteColor", false, colour); - } - - if (range) { - sel.removeAllRanges(); - sel.addRange(range); - - let obj: Object = { parentDivs: [], spans: [] }; - //@ts-ignore - if (range.commonAncestorContainer.className == 'react-pdf__Page__textContent') { //multiline highlighting case - obj = this.highlightNodes(range.commonAncestorContainer.childNodes) - } else { //single line highlighting case - let parentDiv = range.commonAncestorContainer.parentElement - if (parentDiv) { - if (parentDiv.className == 'react-pdf__Page__textContent') { //when highlight is overwritten - obj = this.highlightNodes(parentDiv.childNodes) - } else { - parentDiv.childNodes.forEach((child) => { - if (child.nodeName == 'SPAN') { - //@ts-ignore - obj.parentDivs.push(parentDiv) - //@ts-ignore - child.id = "highlighted" - //@ts-ignore - obj.spans.push(child) - child.addEventListener("mouseover", this.onEnter); //adds mouseover annotation handler - } - }) - } - } - } - this._pageInfo.divs.push(obj); - - } - document.designMode = "off"; - } - - highlightNodes = (nodes: NodeListOf) => { - let temp = { parentDivs: [], spans: [] } - nodes.forEach((div) => { - div.childNodes.forEach((child) => { - if (child.nodeName == 'SPAN') { - //@ts-ignore - temp.parentDivs.push(div) - //@ts-ignore - child.id = "highlighted" - //@ts-ignore - temp.spans.push(child) - child.addEventListener("mouseover", this.onEnter); //adds mouseover annotation handler - } - }) - - }) - return temp; - } - - /** - * when the cursor enters the highlight, it pops out annotation. ONLY WORKS FOR SINGLE DIV LINES - */ - @action - onEnter = (e: any) => { - let span: HTMLSpanElement = e.toElement; - let index: any; - this._pageInfo.divs.forEach((obj: any) => { - obj.spans.forEach((element: any) => { - if (element == span) { - if (!index) { - index = this._pageInfo.divs.indexOf(obj); - } - } - }) - }) - - if (this._pageInfo.anno.length >= index + 1) { - if (this._currAnno.length == 0) { - this._currAnno.push(this._pageInfo.anno[index]); - } - } else { - if (this._currAnno.length == 0) { //if there are no current annotation - let div = span.offsetParent; - //@ts-ignore - let divX = div.style.left - //@ts-ignore - let divY = div.style.top - //slicing "px" from the end - divX = divX.slice(0, divX.length - 2); //gets X of the DIV element (parent of Span) - divY = divY.slice(0, divY.length - 2); //gets Y of the DIV element (parent of Span) - let annotation = - this._pageInfo.anno.push(annotation); - this._currAnno.push(annotation); - } - } - - } - - /** - * highlight function for highlighting actual text. This works fine. - */ - highlight = (color: string) => { - if (window.getSelection()) { - try { - if (!document.execCommand("hiliteColor", false, color)) { - this.makeEditableAndHighlight(color); - } - } catch (ex) { - this.makeEditableAndHighlight(color) - } - } - } - - /** - * 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; - - } - } - - /** - * controls area highlighting and partially highlighting. Kinda temporary - */ - @action - onPointerUp = (e: React.PointerEvent) => { - if (this._highlightToolOn) { - 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 = - 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 = () => { - setTimeout(() => { - var me = this; - htmlToImage.toPng(this._mainDiv.current!, - { width: me.props.doc.GetNumber(KeyStore.NativeWidth, 0), height: me.props.doc.GetNumber(KeyStore.NativeHeight, 0), quality: 0.5 }) - .then(function (dataUrl: string) { - me.props.doc.SetData(KeyStore.Thumbnail, new URL(dataUrl), ImageField); - }) - .catch(function (error: any) { - console.error('oops, something went wrong!', error); - }); - }, 1000); - } - - @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") - - } - - }) - } - }) - } - this._numPages = page.transport.numPages - if (this._perPageInfo.length == 0) { //Makes sure it only runs once - this._perPageInfo = [...Array(this._numPages)] - } - this._loaded = true; - } - - @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 - // so this design is flawed. - var nativeWidth = this.props.doc.GetNumber(KeyStore.NativeWidth, 0); - if (!this.props.doc.GetNumber(KeyStore.NativeHeight, 0)) { - this.props.doc.SetNumber(KeyStore.NativeHeight, nativeWidth * r.entry.height / r.entry.width); - } - if (!this.props.doc.GetT(KeyStore.Thumbnail, ImageField)) { - this.saveThumbnail(); - } - } - - @computed - get uIButtons() { - return ( -
- - - - - - - - - -
); - } - - @computed - get pdfContent() { - const renderHeight = 2400; - let pdfUrl = this.props.doc.GetT(this.props.fieldKey, PDFField); - let xf = this.props.doc.GetNumber(KeyStore.NativeHeight, 0) / renderHeight; - return
- - - {({ measureRef }) => -
- -
- } - - -
; - } - - @computed - get pdfRenderer() { - let proxy = this._loaded ? (null) : this.imageProxyRenderer; - let pdfUrl = this.props.doc.GetT(this.props.fieldKey, PDFField); - if ((!this._interactive && proxy) || !pdfUrl || pdfUrl == FieldWaiting) { - return proxy; - } - return [ - this._pageInfo.area.filter(() => this._pageInfo.area).map((element: any) => element), - this._currAnno.map((element: any) => element), - this.uIButtons, -
- {this.pdfContent} - {proxy} -
- ]; - } - - @computed - get imageProxyRenderer() { - let field = this.props.doc.Get(KeyStore.Thumbnail); - if (field) { - let path = field == FieldWaiting ? "https://image.flaticon.com/icons/svg/66/66163.svg" : - field instanceof ImageField ? field.Data.href : "http://cs.brown.edu/people/bcz/prairie.jpg"; - return ; - } - return (null); - } - - render() { - return ( -
- {this.pdfRenderer} -
- ); - } - -} \ No newline at end of file -- cgit v1.2.3-70-g09d2