From e4ae6fa6df6bb0118f113bbdf3a40f768405f7b3 Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Sun, 20 Sep 2020 23:53:04 -0400
Subject: fixed undo for bullet points to not take multiple steps and to work
 properly.  no longer adds cursorfiels to the undo stack. fixed sharing
 manager to no create unnecesary documents..

---
 src/fields/util.ts | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

(limited to 'src/fields/util.ts')

diff --git a/src/fields/util.ts b/src/fields/util.ts
index 9db79ced1..9e5890aa8 100644
--- a/src/fields/util.ts
+++ b/src/fields/util.ts
@@ -10,6 +10,8 @@ import { DocServer } from "../client/DocServer";
 import { ComputedField } from "./ScriptField";
 import { ScriptCast, StrCast } from "./Types";
 import { returnZero } from "../Utils";
+import CursorField from "./CursorField";
+import { List } from "@material-ui/core";
 
 
 function _readOnlySetter(): never {
@@ -360,10 +362,12 @@ export function updateFunction(target: any, prop: any, value: any, receiver: any
             const oldValue = current;
             const newValue = ObjectField.MakeCopy(value);
             current = newValue;
-            UndoManager.AddEvent({
-                redo() { receiver[prop] = newValue; },
-                undo() { receiver[prop] = oldValue; }
-            });
+            if (!(value instanceof CursorField) && !(value?.some((v: any) => v instanceof CursorField))) {
+                UndoManager.AddEvent({
+                    redo() { receiver[prop] = newValue; },
+                    undo() { receiver[prop] = oldValue; }
+                });
+            }
         }
         target[Update](diff);
     };
-- 
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