2 files changed, 21 insertions, 1 deletions
diff --git a/src/client/util/DragManager.ts b/src/client/util/DragManager.ts
index 4787ac40f..be00778e7 100644
--- a/src/client/util/DragManager.ts
+++ b/src/client/util/DragManager.ts
@@ -7,6 +7,8 @@ import * as globalCssVariables from "../views/globalCssVariables.scss";
 import { LinkManager } from "./LinkManager";
 import { URLField } from "../../new_fields/URLField";
 import { SelectionManager } from "./SelectionManager";
+import { Docs } from "../documents/Documents";
+import { DocumentManager } from "./DocumentManager";
 
 export type dropActionType = "alias" | "copy" | undefined;
 export function SetupDrag(_reference: React.RefObject<HTMLElement>, docFunc: () => Doc | Promise<Doc>, moveFunc?: DragManager.MoveFunction, dropAction?: dropActionType, options?: any, dontHideOnDrop?: boolean) {
@@ -223,6 +225,11 @@ export namespace DragManager {
         StartDrag([ele], dragData, downX, downY, options);
     }
 
+    export function StartLinkProxyDrag(ele: HTMLElement, dragData: DocumentDragData, downX: number, downY: number, options?: DragOptions) {
+        runInAction(() => StartDragFunctions.map(func => func()));
+        StartDrag([ele], dragData, downX, downY, options);
+    }
+
     export let AbortDrag: () => void = emptyFunction;
 
     function StartDrag(eles: HTMLElement[], dragData: { [id: string]: any }, downX: number, downY: number, options?: DragOptions, finishDrag?: (dropData: { [id: string]: any }) => void) {
diff --git a/src/client/util/LinkManager.ts b/src/client/util/LinkManager.ts
index 23ba9d2e4..544f2edda 100644
--- a/src/client/util/LinkManager.ts
+++ b/src/client/util/LinkManager.ts
@@ -1,4 +1,4 @@
-import { observable } from "mobx";
+import { observable, action } from "mobx";
 import { StrCast, Cast } from "../../new_fields/Types";
 import { Doc, DocListCast } from "../../new_fields/Doc";
 import { listSpec } from "../../new_fields/Schema";
@@ -32,6 +32,7 @@ export class LinkManager {
     @observable public allLinks: Array<Doc> = []; // list of link docs
     @observable public groupMetadataKeys: Map<string, Array<string>> = new Map();
     // map of group type to list of its metadata keys; serves as a dictionary of groups to what kind of metadata it hodls
+    @observable public linkProxies: Array<Doc> = []; // list of linkbutton docs - used to visualize link when an anchors are not in the same context
 
     // finds all links that contain the given anchor
     public findAllRelatedLinks(anchor: Doc): Array<Doc> {
@@ -134,4 +135,16 @@ export class LinkManager {
         }
     }
 
+    @action
+    public addLinkProxy(proxy: Doc) {
+        LinkManager.Instance.linkProxies.push(proxy);
+    }
+
+    public findLinkProxy(sourceViewId: string, targetViewId: string): Doc | undefined {
+        let index = LinkManager.Instance.linkProxies.findIndex(p => {
+            return StrCast(p.sourceViewId) === sourceViewId && StrCast(p.targetViewId) === targetViewId;
+        });
+        return index > -1 ? LinkManager.Instance.linkProxies[index] : undefined;
+    }
+
 }
 \ No newline at end of file