diff options
Diffstat (limited to 'src/client/views/nodes/PDFBox.tsx')
| -rw-r--r-- | src/client/views/nodes/PDFBox.tsx | 53 |
1 files changed, 25 insertions, 28 deletions
diff --git a/src/client/views/nodes/PDFBox.tsx b/src/client/views/nodes/PDFBox.tsx index 3a0ef2d32..f9f5bc8f8 100644 --- a/src/client/views/nodes/PDFBox.tsx +++ b/src/client/views/nodes/PDFBox.tsx @@ -1,5 +1,5 @@ import * as htmlToImage from "html-to-image"; -import { action, computed, observable, reaction, IReactionDisposer, trace } from 'mobx'; +import { action, computed, IReactionDisposer, observable, reaction } from 'mobx'; import { observer } from "mobx-react"; import 'react-image-lightbox/style.css'; import Measure from "react-measure"; @@ -10,6 +10,7 @@ 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'; @@ -17,7 +18,7 @@ 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 { RouteStore } from "../../../server/RouteStore"; +import { SelectionManager } from "../../util/SelectionManager"; /** ALSO LOOK AT: Annotation.tsx, Sticky.tsx * This method renders PDF and puts all kinds of functionalities such as annotation, highlighting, @@ -57,10 +58,11 @@ export class PDFBox extends React.Component<FieldViewProps> { 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; - private initPage: boolean = false; //checks if tool is on private _toolOn: boolean = false; //checks if tool is on @@ -87,18 +89,16 @@ export class PDFBox extends React.Component<FieldViewProps> { @observable private _interactive: boolean = false; @observable private _loaded: boolean = false; - @computed private get curPage() { return this.props.doc.GetNumber(KeyStore.CurPage, -1); } + @computed private get curPage() { return this.props.doc.GetNumber(KeyStore.CurPage, 1); } + @computed private get thumbnailPage() { return this.props.doc.GetNumber(KeyStore.ThumbnailPage, -1); } componentDidMount() { this._reactionDisposer = reaction( - () => this.curPage, + () => [SelectionManager.SelectedDocuments().slice()], () => { - if (this.curPage && this.initPage) { + if (this.curPage > 0 && this.thumbnailPage > 0 && this.curPage != this.thumbnailPage && !this.props.isSelected()) { this.saveThumbnail(); this._interactive = true; - } else { - if (this.curPage > 0) - this.initPage = true; } }, { fireImmediately: true }); @@ -378,17 +378,21 @@ export class PDFBox extends React.Component<FieldViewProps> { @action saveThumbnail = () => { + this._renderAsSvg = false; 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) { + let nwidth = me.props.doc.GetNumber(KeyStore.NativeWidth, 0); + let nheight = me.props.doc.GetNumber(KeyStore.NativeHeight, 0); + htmlToImage.toPng(this._mainDiv.current!, { width: nwidth, height: nheight, quality: 1 }) + .then(action((dataUrl: string) => { me.props.doc.SetData(KeyStore.Thumbnail, new URL(dataUrl), ImageField); - }) + me.props.doc.SetNumber(KeyStore.ThumbnailPage, me.props.doc.GetNumber(KeyStore.CurPage, -1)); + me._renderAsSvg = true; + })) .catch(function (error: any) { console.error('oops, something went wrong!', error); }); - }, 1000); + }, 250); } @action @@ -428,21 +432,16 @@ export class PDFBox extends React.Component<FieldViewProps> { this.props.doc.SetNumber(KeyStore.Height, nativeHeight / nativeWidth * this.props.doc.GetNumber(KeyStore.Width, 0)); this.props.doc.SetNumber(KeyStore.NativeHeight, nativeHeight); } - if (!this.props.doc.GetT(KeyStore.Thumbnail, ImageField)) { - this.saveThumbnail(); - } } @computed get pdfContent() { let page = this.curPage; - if (page == 0) - page = 1; const renderHeight = 2400; let pdfUrl = this.props.doc.GetT(this.props.fieldKey, PDFField); let xf = this.props.doc.GetNumber(KeyStore.NativeHeight, 0) / renderHeight; return <div className="pdfBox-contentContainer" key="container" style={{ transform: `scale(${xf}, ${xf})` }}> - <Document file={window.origin + RouteStore.corsProxy + `/${pdfUrl}`}> + <Document file={window.origin + RouteStore.corsProxy + `/${pdfUrl}`} renderMode={this._renderAsSvg ? "svg" : ""}> <Measure onResize={this.setScaling}> {({ measureRef }) => <div className="pdfBox-page" ref={measureRef}> @@ -464,19 +463,17 @@ export class PDFBox extends React.Component<FieldViewProps> { return [ this._pageInfo.area.filter(() => this._pageInfo.area).map((element: any) => element), this._currAnno.map((element: any) => element), - <div key="pdfBox-contentShell"> - {this.pdfContent} - {proxy} - </div> + 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"; + let thumbField = this.props.doc.Get(KeyStore.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"; return <img src={path} width="100%" />; } return (null); |