From 430c14fe9d059ea3f7905d30500ba53f4fc288b9 Mon Sep 17 00:00:00 2001
From: Tyler Schicke <tyler_schicke@brown.edu>
Date: Sat, 27 Apr 2019 16:07:40 -0400
Subject: Drag manager

---
 src/new_fields/Doc.ts | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'src/new_fields')

diff --git a/src/new_fields/Doc.ts b/src/new_fields/Doc.ts
index a1515fe49..fb7b6e360 100644
--- a/src/new_fields/Doc.ts
+++ b/src/new_fields/Doc.ts
@@ -34,6 +34,13 @@ export class ObjectField {
     readonly [Id] = "";
 }
 
+export namespace ObjectField {
+    export function MakeCopy(field: ObjectField) {
+        //TODO Types
+        return field;
+    }
+}
+
 export function IsField(field: any): field is Field {
     return (typeof field === "string")
         || (typeof field === "number")
@@ -137,6 +144,27 @@ export namespace Doc {
         return alias;
     }
 
+    export function MakeCopy(doc: Doc, copyProto: boolean = false): Doc {
+        const copy = new Doc;
+        Object.keys(doc).forEach(async key => {
+            const field = await doc[key];
+            if (key === "proto" && copyProto) {
+                if (field instanceof Doc) {
+                    copy[key] = Doc.MakeCopy(field);
+                }
+            } else {
+                if (field instanceof RefField) {
+                    copy[key] = field;
+                } else if (field instanceof ObjectField) {
+                    copy[key] = ObjectField.MakeCopy(field);
+                } else {
+                    copy[key] = field;
+                }
+            }
+        })
+        return copy;
+    }
+
     export function MakeLink(source: Doc, target: Doc): Doc {
         let linkDoc = new Doc;
         UndoManager.RunInBatch(() => {
-- 
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