From 898227ac1cecb3cd8d4be4ed00ab4190713f006a Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Sun, 13 Dec 2020 14:25:33 -0500
Subject: adding documentView as a fieldView prop to make contetnScaling
 available in PDFview

---
 src/client/views/nodes/DocumentView.tsx | 2 ++
 src/client/views/nodes/PDFBox.tsx       | 5 +++--
 src/client/views/pdf/PDFViewer.tsx      | 6 ++++--
 3 files changed, 9 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/client/views/nodes/DocumentView.tsx b/src/client/views/nodes/DocumentView.tsx
index f766976d0..6ca3ffbee 100644
--- a/src/client/views/nodes/DocumentView.tsx
+++ b/src/client/views/nodes/DocumentView.tsx
@@ -52,6 +52,7 @@ export interface DocumentViewSharedProps {
     renderDepth: number;
     Document: Doc;
     DataDoc?: Doc;
+    DocumentView?: DocumentView;
     ContainingCollectionView: Opt<CollectionView>;
     ContainingCollectionDoc: Opt<Doc>;
     CollectionFreeFormDocumentView?: () => CollectionFreeFormDocumentView;
@@ -913,6 +914,7 @@ export class DocumentView extends DocComponent<DocumentViewProps, Document>(Docu
             }}>
             <DocumentContentsView key={1}
                 renderDepth={this.props.renderDepth}
+                DocumentView={this}
                 Document={this.props.Document}
                 DataDoc={this.props.DataDoc}
                 ContainingCollectionView={this.props.ContainingCollectionView}
diff --git a/src/client/views/nodes/PDFBox.tsx b/src/client/views/nodes/PDFBox.tsx
index b34c7966b..18ded4f3b 100644
--- a/src/client/views/nodes/PDFBox.tsx
+++ b/src/client/views/nodes/PDFBox.tsx
@@ -9,7 +9,7 @@ import { makeInterface } from "../../../fields/Schema";
 import { Cast, NumCast } from "../../../fields/Types";
 import { PdfField } from "../../../fields/URLField";
 import { TraceMobx } from '../../../fields/util';
-import { Utils } from '../../../Utils';
+import { Utils, returnOne } from '../../../Utils';
 import { KeyCodes } from '../../util/KeyCodes';
 import { undoBatch } from '../../util/UndoManager';
 import { panZoomSchema } from '../collections/collectionFreeForm/CollectionFreeFormView';
@@ -183,7 +183,6 @@ export class PDFBox extends ViewBoxAnnotatableComponent<FieldViewProps, PdfDocum
         ContextMenu.Instance.addItem({ description: "Options...", subitems: funcs, icon: "asterisk" });
     }
 
-    @computed get contentScaling() { return 1; }
     @computed get renderTitleBox() {
         const classname = "pdfBox" + (this.active() ? "-interactive" : "");
         return <div className={classname} >
@@ -193,6 +192,7 @@ export class PDFBox extends ViewBoxAnnotatableComponent<FieldViewProps, PdfDocum
         </div>;
     }
 
+    contentScaling = () => this.props.DocumentView?.props.ContentScaling() || 1;
     isChildActive = (outsideReaction?: boolean) => this._isChildActive;
     @computed get renderPdfView() {
         TraceMobx();
@@ -209,6 +209,7 @@ export class PDFBox extends ViewBoxAnnotatableComponent<FieldViewProps, PdfDocum
                 whenActiveChanged={this.whenActiveChanged}
                 isChildActive={this.isChildActive}
                 startupLive={true}
+                ContentScaling={this.contentScaling}
             />
             {this.settingsPanel()}
         </div>;
diff --git a/src/client/views/pdf/PDFViewer.tsx b/src/client/views/pdf/PDFViewer.tsx
index fc547c60f..7696167a7 100644
--- a/src/client/views/pdf/PDFViewer.tsx
+++ b/src/client/views/pdf/PDFViewer.tsx
@@ -60,6 +60,7 @@ interface IViewerProps extends FieldViewProps {
     loaded?: (nw: number, nh: number, np: number) => void;
     isChildActive: (outsideReaction?: boolean) => boolean;
     setPdfViewer: (view: PDFViewer) => void;
+    ContentScaling: () => number;
 }
 
 /**
@@ -370,7 +371,7 @@ export class PDFViewer extends ViewBoxAnnotatableComponent<IViewerProps, PdfDocu
     @action
     scrollToAnnotation = (scrollToAnnotation: Doc) => {
         if (scrollToAnnotation) {
-            const offset = this.props.PanelHeight() / 2;
+            const offset = (this.props.PanelHeight() / this.props.ContentScaling()) / 2;
             this._mainCont.current && smoothScroll(500, this._mainCont.current, NumCast(scrollToAnnotation.y) - offset);
             Doc.linkFollowHighlight(scrollToAnnotation);
         }
@@ -737,7 +738,7 @@ export class PDFViewer extends ViewBoxAnnotatableComponent<IViewerProps, PdfDocu
     @computed get pdfViewerDiv() {
         return <div className={"pdfViewerDash-text" + ((this.props.isSelected() || this.props.isChildActive()) ? "-selected" : "")} ref={this._viewer} />;
     }
-    @computed get contentScaling() { return 1; }
+    @computed get contentScaling() { return this.props.ContentScaling(); }
     @computed get standinViews() {
         return <>
             {this._showCover ? this.getCoverImage() : (null)}
@@ -758,6 +759,7 @@ export class PDFViewer extends ViewBoxAnnotatableComponent<IViewerProps, PdfDocu
                 overflowX: this._zoomed !== 1 ? "scroll" : undefined,
                 width: !this.props.Document._fitWidth && (window.screen.width > 600) ? Doc.NativeWidth(this.props.Document) : `${100 / this.contentScaling}%`,
                 height: !this.props.Document._fitWidth && (window.screen.width > 600) ? Doc.NativeHeight(this.props.Document) : `${100 / this.contentScaling}%`,
+                transform: `scale(${this.props.ContentScaling()})`
             }}  >
             {this.pdfViewerDiv}
             {this.annotationLayer}
-- 
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