From f8da2a897de4d737ac3ea697b58d06bba5ce9f66 Mon Sep 17 00:00:00 2001
From: Bob Zeleznik <zzzman@gmail.com>
Date: Sun, 20 Oct 2019 15:15:15 -0400
Subject: working version of updated template refactoring

---
 src/client/views/pdf/PDFViewer.tsx | 63 +++++++++++++++++++++-----------------
 1 file changed, 35 insertions(+), 28 deletions(-)

(limited to 'src/client/views/pdf')

diff --git a/src/client/views/pdf/PDFViewer.tsx b/src/client/views/pdf/PDFViewer.tsx
index 51f7829e8..72a08f35c 100644
--- a/src/client/views/pdf/PDFViewer.tsx
+++ b/src/client/views/pdf/PDFViewer.tsx
@@ -6,7 +6,7 @@ import { Dictionary } from "typescript-collections";
 import { Doc, DocListCast, FieldResult, WidthSym, Opt, HeightSym } from "../../../new_fields/Doc";
 import { Id } from "../../../new_fields/FieldSymbols";
 import { List } from "../../../new_fields/List";
-import { makeInterface } from "../../../new_fields/Schema";
+import { makeInterface, createSchema } from "../../../new_fields/Schema";
 import { ScriptField } from "../../../new_fields/ScriptField";
 import { Cast, NumCast, StrCast } from "../../../new_fields/Types";
 import { smoothScroll, Utils, emptyFunction, returnOne, intersectRect, addStyleSheet, addStyleSheetRule, clearStyleSheetRules } from "../../../Utils";
@@ -29,9 +29,18 @@ import { DocumentType } from "../../documents/DocumentTypes";
 const PDFJSViewer = require("pdfjs-dist/web/pdf_viewer");
 const pdfjsLib = require("pdfjs-dist");
 
+export const pageSchema = createSchema({
+    curPage: "number",
+    fitWidth: "boolean",
+    rotation: "number",
+    scrollY: "number",
+    scrollHeight: "number",
+    search_string: "string"
+});
+
 pdfjsLib.GlobalWorkerOptions.workerSrc = `/assets/pdf.worker.js`;
-type PdfDocument = makeInterface<[typeof documentSchema]>;
-const PdfDocument = makeInterface(documentSchema);
+type PdfDocument = makeInterface<[typeof documentSchema, typeof pageSchema]>;
+const PdfDocument = makeInterface(documentSchema, pageSchema);
 
 interface IViewerProps {
     pdf: Pdfjs.PDFDocumentProxy;
@@ -113,10 +122,10 @@ export class PDFViewer extends DocAnnotatableComponent<IViewerProps, PdfDocument
     componentDidMount = async () => {
         // change the address to be the file address of the PNG version of each page
         // file address of the pdf
-        this._coverPath = JSON.parse(await rp.get(Utils.prepend(`/thumbnail${this.props.url.substring("files/".length, this.props.url.length - ".pdf".length)}-${NumCast(this.layoutDoc.curPage, 1)}.PNG`)));
+        this._coverPath = JSON.parse(await rp.get(Utils.prepend(`/thumbnail${this.props.url.substring("files/".length, this.props.url.length - ".pdf".length)}-${(this.Document.curPage || 1)}.PNG`)));
         runInAction(() => this._showWaiting = this._showCover = true);
         this.props.startupLive && this.setupPdfJsViewer();
-        this._searchReactionDisposer = reaction(() => StrCast(this.props.Document.search_string), searchString => {
+        this._searchReactionDisposer = reaction(() => this.Document.search_string, searchString => {
             if (searchString) {
                 this.search(searchString, true);
                 this._lastSearch = searchString;
@@ -131,14 +140,14 @@ export class PDFViewer extends DocAnnotatableComponent<IViewerProps, PdfDocument
             () => (SelectionManager.SelectedDocuments().length === 1) && this.setupPdfJsViewer(),
             { fireImmediately: true });
         this._reactionDisposer = reaction(
-            () => this.layoutDoc.scrollY,
+            () => this.Document.scrollY,
             (scrollY) => {
                 if (scrollY !== undefined) {
                     if (this._showCover || this._showWaiting) {
                         this.setupPdfJsViewer();
                     }
-                    this._mainCont.current && smoothScroll(1000, this._mainCont.current, NumCast(this.layoutDoc.scrollY) || 0);
-                    this.layoutDoc.scrollY = undefined;
+                    this._mainCont.current && smoothScroll(1000, this._mainCont.current, (this.Document.scrollY || 0));
+                    this.Document.scrollY = undefined;
                 }
             },
             { fireImmediately: true }
@@ -179,7 +188,7 @@ export class PDFViewer extends DocAnnotatableComponent<IViewerProps, PdfDocument
                     i === this.props.pdf.numPages - 1 && this.props.loaded((page.view[page.rotate === 0 || page.rotate === 180 ? 2 : 3] - page.view[page.rotate === 0 || page.rotate === 180 ? 0 : 1]),
                         (page.view[page.rotate === 0 || page.rotate === 180 ? 3 : 2] - page.view[page.rotate === 0 || page.rotate === 180 ? 1 : 0]), i);
                 }))));
-                this.layoutDoc.scrollHeight = this._pageSizes.reduce((size, page) => size + page.height, 0) * 96 / 72;
+            this.Document.scrollHeight = this._pageSizes.reduce((size, page) => size + page.height, 0) * 96 / 72;
         }
     }
 
@@ -197,7 +206,7 @@ export class PDFViewer extends DocAnnotatableComponent<IViewerProps, PdfDocument
             { fireImmediately: true });
 
         this._filterReactionDisposer = reaction(
-            () => ({ scriptField: Cast(this.layoutDoc.filterScript, ScriptField), annos: this._annotations.slice() }),
+            () => ({ scriptField: Cast(this.Document.filterScript, ScriptField), annos: this._annotations.slice() }),
             action(({ scriptField, annos }: { scriptField: FieldResult<ScriptField>, annos: Doc[] }) => {
                 let oldScript = this._script.originalScript;
                 this._script = scriptField && scriptField.script.compiled ? scriptField.script : CompileScript("return true") as CompiledScript;
@@ -224,7 +233,7 @@ export class PDFViewer extends DocAnnotatableComponent<IViewerProps, PdfDocument
         document.addEventListener("copy", this.copy);
         document.addEventListener("pagesinit", action(() => {
             this._pdfViewer.currentScaleValue = this._zoomed = 1;
-            this.gotoPage(NumCast(this.layoutDoc.curPage, 1));
+            this.gotoPage(this.Document.curPage || 1);
         }));
         document.addEventListener("pagerendered", action(() => this._showCover = this._showWaiting = false));
         var pdfLinkService = new PDFJSViewer.PDFLinkService();
@@ -254,7 +263,7 @@ export class PDFViewer extends DocAnnotatableComponent<IViewerProps, PdfDocument
         let minY = Number.MAX_VALUE;
         if ((this._savedAnnotations.values()[0][0] as any).marqueeing) {
             let anno = this._savedAnnotations.values()[0][0];
-            let annoDoc = Docs.Create.FreeformDocument([], { backgroundColor: color, title: "Annotation on " + StrCast(this.props.Document.title) });
+            let annoDoc = Docs.Create.FreeformDocument([], { backgroundColor: color, title: "Annotation on " + this.Document.title });
             if (anno.style.left) annoDoc.x = parseInt(anno.style.left);
             if (anno.style.top) annoDoc.y = parseInt(anno.style.top);
             if (anno.style.height) annoDoc.height = parseInt(anno.style.height);
@@ -287,7 +296,7 @@ export class PDFViewer extends DocAnnotatableComponent<IViewerProps, PdfDocument
             mainAnnoDocProto.type = DocumentType.PDFANNO;
             mainAnnoDocProto.annotations = new List<Doc>(annoDocs);
         }
-        mainAnnoDocProto.title = "Annotation on " + StrCast(this.props.Document.title);
+        mainAnnoDocProto.title = "Annotation on " + this.Document.title;
         mainAnnoDocProto.annotationOn = this.props.Document;
         this._savedAnnotations.clear();
         this.Index = -1;
@@ -335,7 +344,7 @@ export class PDFViewer extends DocAnnotatableComponent<IViewerProps, PdfDocument
     @action
     onScroll = (e: React.UIEvent<HTMLElement>) => {
         this._scrollTop = this._mainCont.current!.scrollTop;
-        this._pdfViewer && (this.layoutDoc.curPage = this._pdfViewer.currentPageNumber);
+        this._pdfViewer && (this.Document.curPage = this._pdfViewer.currentPageNumber);
     }
 
     // get the page index that the vertical offset passed in is on
@@ -403,7 +412,7 @@ export class PDFViewer extends DocAnnotatableComponent<IViewerProps, PdfDocument
         this._downX = e.clientX;
         this._downY = e.clientY;
         addStyleSheetRule(PDFViewer._annotationStyle, "pdfAnnotation", { "pointer-events": "none" });
-        if (NumCast(this.layoutDoc.scale, 1) !== 1) return;
+        if ((this.Document.scale || 1) !== 1) return;
         if ((e.button !== 0 || e.altKey) && this.active()) {
             this._setPreviewCursor && this._setPreviewCursor(e.clientX, e.clientY, true);
         }
@@ -560,7 +569,7 @@ export class PDFViewer extends DocAnnotatableComponent<IViewerProps, PdfDocument
             DragManager.StartAnnotationDrag([ele], dragData, e.pageX, e.pageY, {
                 handlers: {
                     dragComplete: () => !(dragData as any).linkedToDoc &&
-                        DocUtils.MakeLink({ doc: annotationDoc }, { doc: dragData.dropDocument, ctx: dragData.targetContext }, `Annotation from ${StrCast(this.props.Document.title)}`, "link from PDF")
+                        DocUtils.MakeLink({ doc: annotationDoc }, { doc: dragData.dropDocument, ctx: dragData.targetContext }, `Annotation from ${this.Document.title}`, "link from PDF")
 
                 },
                 hideSource: false
@@ -568,18 +577,16 @@ export class PDFViewer extends DocAnnotatableComponent<IViewerProps, PdfDocument
         }
     }
 
-    get layoutDoc() { return Doc.Layout(this.props.Document); }
-
     createSnippet = (marquee: { left: number, top: number, width: number, height: number }): void => {
         let view = Doc.MakeAlias(this.props.Document);
         let data = Doc.MakeDelegate(Doc.GetProto(this.props.Document));
         data.title = StrCast(data.title) + "_snippet";
         view.proto = data;
         view.nativeHeight = marquee.height;
-        view.height = (this.layoutDoc[WidthSym]() / NumCast(this.layoutDoc.nativeWidth)) * marquee.height;
-        view.nativeWidth = this.layoutDoc.nativeWidth;
+        view.height = (this.Document[WidthSym]() / (this.Document.nativeWidth || 1)) * marquee.height;
+        view.nativeWidth = this.Document.nativeWidth;
         view.startY = marquee.top;
-        view.width = this.layoutDoc[WidthSym]();
+        view.width = this.Document[WidthSym]();
         DragManager.StartDocumentDrag([], new DragManager.DocumentDragData([view]), 0, 0);
     }
 
@@ -600,12 +607,12 @@ export class PDFViewer extends DocAnnotatableComponent<IViewerProps, PdfDocument
     getCoverImage = () => {
         if (!this.props.Document[HeightSym]() || !this.props.Document.nativeHeight) {
             setTimeout((() => {
-                this.layoutDoc.height = this.layoutDoc[WidthSym]() * this._coverPath.height / this._coverPath.width;
-                this.layoutDoc.nativeHeight = nativeWidth * this._coverPath.height / this._coverPath.width;
+                this.Document.height = this.Document[WidthSym]() * this._coverPath.height / this._coverPath.width;
+                this.Document.nativeHeight = nativeWidth * this._coverPath.height / this._coverPath.width;
             }).bind(this), 0);
         }
-        let nativeWidth = NumCast(this.layoutDoc.nativeWidth);
-        let nativeHeight = NumCast(this.layoutDoc.nativeHeight);
+        let nativeWidth = (this.Document.nativeWidth || 0);
+        let nativeHeight = (this.Document.nativeHeight || 0);
         return <img key={this._coverPath.path} src={this._coverPath.path} onError={action(() => this._coverPath.path = "http://www.cs.brown.edu/~bcz/face.gif")} onLoad={action(() => this._showWaiting = false)}
             style={{ position: "absolute", display: "inline-block", top: 0, left: 0, width: `${nativeWidth}px`, height: `${nativeHeight}px` }} />;
     }
@@ -621,14 +628,14 @@ export class PDFViewer extends DocAnnotatableComponent<IViewerProps, PdfDocument
     }
 
     @computed get annotationLayer() {
-        return <div className="pdfViewer-annotationLayer" style={{ height: NumCast(this.layoutDoc.nativeHeight) }} ref={this._annotationLayer}>
+        return <div className="pdfViewer-annotationLayer" style={{ height: (this.Document.nativeHeight || 0) }} ref={this._annotationLayer}>
             {this.nonDocAnnotations.sort((a, b) => NumCast(a.y) - NumCast(b.y)).map((anno, index) =>
                 <Annotation {...this.props} focus={this.props.focus} anno={anno} key={`${anno[Id]}-annotation`} />)}
             <div className="pdfViewer-overlay" id="overlay" style={{ transform: `scale(${this._zoomed})` }}>
                 <CollectionFreeFormView {...this.props}
                     setPreviewCursor={this.setPreviewCursor}
-                    PanelHeight={() => NumCast(this.layoutDoc.scrollHeight, NumCast(this.layoutDoc.nativeHeight))}
-                    PanelWidth={() => this._pageSizes.length && this._pageSizes[0] ? this._pageSizes[0].width : NumCast(this.layoutDoc.nativeWidth)}
+                    PanelHeight={() => (this.Document.scrollHeight || this.Document.nativeHeight || 0)}
+                    PanelWidth={() => this._pageSizes.length && this._pageSizes[0] ? this._pageSizes[0].width : (this.Document.nativeWidth || 0)}
                     VisibleHeight={this.visibleHeight}
                     focus={this.props.focus}
                     isSelected={this.props.isSelected}
-- 
cgit v1.2.3-70-g09d2