1 files changed, 28 insertions, 1 deletions
diff --git a/src/client/util/DragManager.ts b/src/client/util/DragManager.ts
index 2562ba18a..6a7047725 100644
--- a/src/client/util/DragManager.ts
+++ b/src/client/util/DragManager.ts
@@ -6,8 +6,10 @@ import { DocumentDecorations } from "../views/DocumentDecorations";
 import { Main } from "../views/Main";
 import { DocumentView } from "../views/nodes/DocumentView";
 import * as globalCssVariables from "../views/globalCssVariables.scss";
+import { KeyStore } from "../../fields/KeyStore";
+import { FieldWaiting } from "../../fields/Field";
 
-export function setupDrag(_reference: React.RefObject<HTMLDivElement>, docFunc: () => Document, moveFunc?: DragManager.MoveFunction, copyOnDrop: boolean = false) {
+export function SetupDrag(_reference: React.RefObject<HTMLDivElement>, docFunc: () => Document, moveFunc?: DragManager.MoveFunction, copyOnDrop: boolean = false) {
     let onRowMove = action((e: PointerEvent): void => {
         e.stopPropagation();
         e.preventDefault();
@@ -39,6 +41,31 @@ export function setupDrag(_reference: React.RefObject<HTMLDivElement>, docFunc:
     return onItemDown;
 }
 
+export async function DragLinksAsDocuments(dragEle: HTMLElement, x: number, y: number, sourceDoc: Document) {
+    let srcTarg = sourceDoc.GetT(KeyStore.Prototype, Document);
+    let draggedDocs = (srcTarg && srcTarg !== FieldWaiting) ?
+        srcTarg.GetList(KeyStore.LinkedToDocs, [] as Document[]).map(linkDoc =>
+            (linkDoc.GetT(KeyStore.LinkedToDocs, Document)) as Document) : [];
+    let draggedFromDocs = (srcTarg && srcTarg !== FieldWaiting) ?
+        srcTarg.GetList(KeyStore.LinkedFromDocs, [] as Document[]).map(linkDoc =>
+            (linkDoc.GetT(KeyStore.LinkedFromDocs, Document)) as Document) : [];
+    draggedDocs.push(...draggedFromDocs);
+    if (draggedDocs.length) {
+        let moddrag = [] as Document[];
+        for (const draggedDoc of draggedDocs) {
+            let doc = await draggedDoc.GetTAsync(KeyStore.AnnotationOn, Document);
+            if (doc) moddrag.push(doc);
+        }
+        let dragData = new DragManager.DocumentDragData(moddrag.length ? moddrag : draggedDocs);
+        DragManager.StartDocumentDrag([dragEle], dragData, x, y, {
+            handlers: {
+                dragComplete: action(emptyFunction),
+            },
+            hideSource: false
+        });
+    }
+}
+
 export namespace DragManager {
     export function Root() {
         const root = document.getElementById("root");