1 files changed, 21 insertions, 1 deletions
diff --git a/src/new_fields/Doc.ts b/src/new_fields/Doc.ts
index e0ab5d97c..fa5ca1489 100644
--- a/src/new_fields/Doc.ts
+++ b/src/new_fields/Doc.ts
@@ -4,7 +4,7 @@ import { DocServer } from "../client/DocServer";
 import { DocumentType } from "../client/documents/DocumentTypes";
 import { Scripting, scriptingGlobal } from "../client/util/Scripting";
 import { afterDocDeserialize, autoObject, Deserializable, SerializationHelper } from "../client/util/SerializationHelper";
-import { Copy, HandleUpdate, Id, OnUpdate, Parent, Self, SelfProxy, ToScriptString, Update } from "./FieldSymbols";
+import { Copy, HandleUpdate, Id, OnUpdate, Parent, Self, SelfProxy, ToScriptString, ToString, Update } from "./FieldSymbols";
 import { List } from "./List";
 import { ObjectField } from "./ObjectField";
 import { PrefetchProxy, ProxyField } from "./Proxy";
@@ -36,6 +36,18 @@ export namespace Field {
             return field[ToScriptString]();
         }
     }
+    export function toString(field: Field): string {
+        if (typeof field === "string") {
+            return `"${field}"`;
+        } else if (typeof field === "number" || typeof field === "boolean") {
+            return String(field);
+        } else if (field instanceof ObjectField) {
+            return field[ToString]();
+        } else if (field instanceof RefField) {
+            return field[ToString]();
+        }
+        return "-invalid field-";
+    }
     export function IsField(field: any): field is Field;
     export function IsField(field: any, includeUndefined: true): field is Field | undefined;
     export function IsField(field: any, includeUndefined: boolean = false): field is Field | undefined {
@@ -156,6 +168,9 @@ export class Doc extends RefField {
     [ToScriptString]() {
         return "invalid";
     }
+    [ToString]() {
+        return "Doc";
+    }
 
     private [CachedUpdates]: { [key: string]: () => void | Promise<any> } = {};
     public static CurrentUserEmail: string = "";
@@ -746,6 +761,11 @@ export namespace Doc {
             source.dragFactory instanceof Doc && source.dragFactory.isTemplateDoc ? source.dragFactory :
             source && source.layout instanceof Doc && source.layout.isTemplateDoc ? source.layout : undefined;
     }
+    export function setChildDetailed(target: Doc, source?: Doc) {
+        target.childDetailed = source && source.isTemplateDoc ? source : source &&
+            source.dragFactory instanceof Doc && source.dragFactory.isTemplateDoc ? source.dragFactory :
+            source && source.layout instanceof Doc && source.layout.isTemplateDoc ? source.layout : undefined;
+    }
 
     export function MakeDocFilter(docFilters: string[]) {
         let docFilterText = "";