fixes for doc decorations with resizing textboxes.

2 files changed, 3 insertions, 2 deletions

diff --git a/src/client/views/collections/CollectionStackingView.tsx b/src/client/views/collections/CollectionStackingView.tsx
index 6f22f2d2a..97b31bf2a 100644
--- a/src/client/views/collections/CollectionStackingView.tsx
+++ b/src/client/views/collections/CollectionStackingView.tsx
@@ -278,7 +278,8 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
     }
 
     getDocTransform(doc: Doc, dref: HTMLDivElement) {
-        let y = this._scroll;
+        if (!dref) return Transform.Identity();
+        let y = this._scroll; // required for document decorations to update when the text box container is scrolled
         let { scale, translateX, translateY } = Utils.GetScreenTransform(dref);
         let outerXf = Utils.GetScreenTransform(this._masonryGridRef!);
         let offset = this.props.ScreenToLocalTransform().transformDirection(outerXf.translateX - translateX, outerXf.translateY - translateY);
diff --git a/src/client/views/collections/CollectionStackingViewFieldColumn.tsx b/src/client/views/collections/CollectionStackingViewFieldColumn.tsx
index f30e99362..bc4fe7dd7 100644
--- a/src/client/views/collections/CollectionStackingViewFieldColumn.tsx
+++ b/src/client/views/collections/CollectionStackingViewFieldColumn.tsx
@@ -2,7 +2,7 @@ import React = require("react");
 import { library } from '@fortawesome/fontawesome-svg-core';
 import { faPalette } from '@fortawesome/free-solid-svg-icons';
 import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
-import { action, observable } from "mobx";
+import { action, observable, trace } from "mobx";
 import { observer } from "mobx-react";
 import { Doc, WidthSym } from "../../../new_fields/Doc";
 import { Id } from "../../../new_fields/FieldSymbols";