1 files changed, 33 insertions, 0 deletions
diff --git a/src/client/documents/Documents.ts b/src/client/documents/Documents.ts
index ed260d42e..0ebf6ff75 100644
--- a/src/client/documents/Documents.ts
+++ b/src/client/documents/Documents.ts
@@ -34,6 +34,7 @@ import { StrokeData, InkField } from "../../new_fields/InkField";
 import { dropActionType } from "../util/DragManager";
 import { DateField } from "../../new_fields/DateField";
 import { schema } from "prosemirror-schema-basic";
+import { UndoManager } from "../util/UndoManager";
 
 export interface DocumentOptions {
     x?: number;
@@ -64,6 +65,38 @@ export interface DocumentOptions {
 }
 const delegateKeys = ["x", "y", "width", "height", "panX", "panY"];
 
+export namespace DocUtils {
+    export function MakeLink(source: Doc, target: Doc) {
+        let protoSrc = source.proto ? source.proto : source;
+        let protoTarg = target.proto ? target.proto : target;
+        UndoManager.RunInBatch(() => {
+            let linkDoc = Docs.TextDocument({ width: 100, height: 30, borderRounding: -1 });
+            //let linkDoc = new Doc;
+            linkDoc.proto!.title = "-link name-";
+            linkDoc.proto!.linkDescription = "";
+            linkDoc.proto!.linkTags = "Default";
+
+            linkDoc.proto!.linkedTo = target;
+            linkDoc.proto!.linkedFrom = source;
+
+            let linkedFrom = Cast(protoTarg.linkedFromDocs, listSpec(Doc));
+            if (!linkedFrom) {
+                protoTarg.linkedFromDocs = linkedFrom = new List<Doc>();
+            }
+            linkedFrom.push(linkDoc);
+
+            let linkedTo = Cast(protoSrc.linkedToDocs, listSpec(Doc));
+            if (!linkedTo) {
+                protoSrc.linkedToDocs = linkedTo = new List<Doc>();
+            }
+            linkedTo.push(linkDoc);
+            return linkDoc;
+        }, "make link");
+    }
+
+
+}
+
 export namespace Docs {
     let textProto: Doc;
     let histoProto: Doc;