From 67316c700980fe653c48840407dc9d66a7ed8a2b Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Fri, 6 Jan 2023 00:35:43 -0500
Subject: added zoom box highlighting of text anchors in pdf/web pages for
 link/pres following. Added serial/parallel option for presentation group with
 up.  Added direct pinning of text seletions to trails.  fixed 'hide' option
 for preselements to work with hidebefore/after

---
 src/client/views/pdf/PDFViewer.tsx | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

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

diff --git a/src/client/views/pdf/PDFViewer.tsx b/src/client/views/pdf/PDFViewer.tsx
index 906dff377..f95d5ac2e 100644
--- a/src/client/views/pdf/PDFViewer.tsx
+++ b/src/client/views/pdf/PDFViewer.tsx
@@ -68,9 +68,9 @@ export class PDFViewer extends React.Component<IViewerProps> {
     private _annotationLayer: React.RefObject<HTMLDivElement> = React.createRef();
     private _disposers: { [name: string]: IReactionDisposer } = {};
     private _viewer: React.RefObject<HTMLDivElement> = React.createRef();
-    public _getAnchor: (savedAnnotations?: ObservableMap<number, HTMLDivElement[]>) => Opt<Doc> = () => undefined;
     _mainCont: React.RefObject<HTMLDivElement> = React.createRef();
     private _selectionText: string = '';
+    private _selectionContent: DocumentFragment | undefined;
     private _downX: number = 0;
     private _downY: number = 0;
     private _lastSearch = false;
@@ -78,8 +78,12 @@ export class PDFViewer extends React.Component<IViewerProps> {
     private _ignoreScroll = false;
     private _initialScroll: { loc: Opt<number>; easeFunc: 'linear' | 'ease' | undefined } | undefined;
     private _forcedScroll = true;
+    get _getAnchor() {
+        return AnchorMenu.Instance?.GetAnchor;
+    }
 
     selectionText = () => this._selectionText;
+    selectionContent = () => this._selectionContent;
 
     @observable isAnnotating = false;
     // key where data is stored
@@ -392,7 +396,6 @@ export class PDFViewer extends React.Component<IViewerProps> {
 
     @action
     finishMarquee = (x?: number, y?: number) => {
-        this._getAnchor = AnchorMenu.Instance?.GetAnchor;
         this.isAnnotating = false;
         this._marqueeing = undefined;
         this._textSelecting = true;
@@ -437,7 +440,8 @@ export class PDFViewer extends React.Component<IViewerProps> {
                 }
             }
         }
-        this._selectionText = selRange.cloneContents().textContent || '';
+        this._selectionContent = selRange.cloneContents();
+        this._selectionText = this._selectionContent?.textContent || '';
 
         // clear selection
         if (sel.empty) {
-- 
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