From 320f18503439c7e490f259ed2ed7355ff72b4237 Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Wed, 9 Sep 2020 13:07:33 -0400
Subject: fixed unpnning pdf annotations.  remvoed unused UI from PDFmenu

---
 src/client/views/pdf/PDFViewer.tsx | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

(limited to 'src/client/views/pdf/PDFViewer.tsx')

diff --git a/src/client/views/pdf/PDFViewer.tsx b/src/client/views/pdf/PDFViewer.tsx
index 8afb041b9..03ccca019 100644
--- a/src/client/views/pdf/PDFViewer.tsx
+++ b/src/client/views/pdf/PDFViewer.tsx
@@ -72,7 +72,7 @@ interface IViewerProps {
     active: (outsideReaction?: boolean) => boolean;
     isChildActive: (outsideReaction?: boolean) => boolean;
     addDocTab: (document: Doc, where: string) => boolean;
-    pinToPres: (document: Doc) => void;
+    pinToPres: (document: Doc, unpin?: boolean) => void;
     addDocument?: (doc: Doc) => boolean;
     setPdfViewer: (view: PDFViewer) => void;
     ScreenToLocalTransform: () => Transform;
@@ -224,7 +224,11 @@ export class PDFViewer extends ViewBoxAnnotatableComponent<IViewerProps, PdfDocu
         await this.initialLoad();
 
         this._disposers.scrollTop = reaction(() => Cast(this.layoutDoc._scrollTop, "number", null),
-            (stop) => (stop !== undefined && this.layoutDoc._scrollY === undefined && this._mainCont.current) && (this._mainCont.current.scrollTop = stop),
+            (stop) => {
+                if (stop !== undefined && this.layoutDoc._scrollY === undefined && this._mainCont.current) {
+                    (this._mainCont.current.scrollTop = stop);
+                }
+            },
             { fireImmediately: true });
 
         this._disposers.filterScript = reaction(
@@ -362,10 +366,15 @@ export class PDFViewer extends ViewBoxAnnotatableComponent<IViewerProps, PdfDocu
     }
 
 
+    pageDelay: any;
     @action
     onScroll = (e: React.UIEvent<HTMLElement>) => {
         this.Document._scrollY === undefined && (this.layoutDoc._scrollTop = this._mainCont.current!.scrollTop);
-        this._pdfViewer && (this.Document._curPage = this._pdfViewer.currentPageNumber);
+        this.pageDelay && clearTimeout(this.pageDelay);
+        this.pageDelay = setTimeout(() => {
+            this.pageDelay = undefined;
+            this._pdfViewer && (this.Document._curPage = this._pdfViewer.currentPageNumber);
+        }, 250);
     }
 
     // get the page index that the vertical offset passed in is on
-- 
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