big changes to make link following use the same code as pinning docs for trails.

1 files changed, 10 insertions, 6 deletions

diff --git a/src/client/views/nodes/PDFBox.tsx b/src/client/views/nodes/PDFBox.tsx
index fcb3ccb07..39e323247 100644
--- a/src/client/views/nodes/PDFBox.tsx
+++ b/src/client/views/nodes/PDFBox.tsx
@@ -5,7 +5,7 @@ import * as Pdfjs from 'pdfjs-dist';
 import 'pdfjs-dist/web/pdf_viewer.css';
 import { Doc, DocListCast, HeightSym, Opt, WidthSym } from '../../../fields/Doc';
 import { Id } from '../../../fields/FieldSymbols';
-import { Cast, ImageCast, NumCast, StrCast } from '../../../fields/Types';
+import { BoolCast, Cast, ImageCast, NumCast, StrCast } from '../../../fields/Types';
 import { ImageField, PdfField } from '../../../fields/URLField';
 import { TraceMobx } from '../../../fields/util';
 import { emptyFunction, setupMoveUpEvents, Utils } from '../../../Utils';
@@ -27,6 +27,7 @@ import { ImageBox } from './ImageBox';
 import './PDFBox.scss';
 import { VideoBox } from './VideoBox';
 import React = require('react');
+import { PresBox } from './trails';
 
 @observer
 export class PDFBox extends ViewBoxAnnotatableComponent<ViewBoxAnnotatableProps & FieldViewProps>() {
@@ -207,16 +208,19 @@ export class PDFBox extends ViewBoxAnnotatableComponent<ViewBoxAnnotatableProps
         }
         if (this._sidebarRef?.current?.makeDocUnfiltered(doc)) return 1;
         this._initialScrollTarget = doc;
-        return this._pdfViewer?.scrollFocus(doc, smooth) ?? (didToggle ? 1 : undefined);
+        PresBox.restoreTargetDocView(this.rootDoc, {}, doc, NumCast(doc.presTransition, NumCast(doc.focusSpeed, 500)), { pannable: doc.presPinData ? true : false });
+        return this._pdfViewer?.scrollFocus(doc, NumCast(doc.presPinViewScroll, NumCast(doc.y)), smooth) ?? (didToggle ? 1 : undefined);
     };
     getAnchor = () => {
-        const anchor =
-            this._pdfViewer?._getAnchor(this._pdfViewer.savedAnnotations()) ??
-            Docs.Create.TextanchorDocument({
+        const docAnchor = () => {
+            const anchor = Docs.Create.TextanchorDocument({
                 title: StrCast(this.rootDoc.title + '@' + NumCast(this.layoutDoc._scrollTop)?.toFixed(0)),
-                y: NumCast(this.layoutDoc._scrollTop),
                 unrendered: true,
             });
+            PresBox.pinDocView(anchor, { pinData: { scrollable: true, pannable: true } }, this.rootDoc);
+            return anchor;
+        };
+        const anchor = this._pdfViewer?._getAnchor(this._pdfViewer.savedAnnotations()) ?? docAnchor();
         this.addDocument(anchor);
         return anchor;
     };