1 files changed, 22 insertions, 0 deletions
diff --git a/src/fields/Doc.ts b/src/fields/Doc.ts
index cf505c45b..74a3d8cf2 100644
--- a/src/fields/Doc.ts
+++ b/src/fields/Doc.ts
@@ -149,6 +149,28 @@ export class Doc extends RefField {
     public static set MainDocId(id: string | undefined) {
         this.mainDocId = id;
     }
+
+    @observable public static CurrentlyLoading: Doc[];
+    // removes from currently loading display
+    @action
+    public static removeCurrentlyLoading(doc: Doc) {
+        if (Doc.CurrentlyLoading) {
+            const index = Doc.CurrentlyLoading.indexOf(doc);
+            index !== -1 && Doc.CurrentlyLoading.splice(index, 1);
+        }
+    }
+
+    // adds doc to currently loading display
+    @action
+    public static addCurrentlyLoading(doc: Doc) {
+        if (!Doc.CurrentlyLoading) {
+            Doc.CurrentlyLoading = [];
+        }
+        if (Doc.CurrentlyLoading.indexOf(doc) === -1) {
+            Doc.CurrentlyLoading.push(doc);
+        }
+    }
+
     @observable public static GuestDashboard: Doc | undefined;
     @observable public static GuestTarget: Doc | undefined;
     @observable public static GuestMobile: Doc | undefined;