From d82535102b94daef1877443b2bbde8e80c207faa Mon Sep 17 00:00:00 2001
From: Alex Waese-Perlman <alexwaeseperlman@gmail.com>
Date: Thu, 28 Jul 2022 18:36:46 +0300
Subject: [PATCH] Allow users to set activeTabset to undefined

---
 src/model/Actions.ts | 8 ++++++++
 src/model/Model.ts   | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/src/model/Actions.ts b/src/model/Actions.ts
index e0be1c99..25b2b359 100755
--- a/src/model/Actions.ts
+++ b/src/model/Actions.ts
@@ -19,6 +19,7 @@ export class Actions {
     static UPDATE_NODE_ATTRIBUTES = "FlexLayout_UpdateNodeAttributes";
     static FLOAT_TAB = "FlexLayout_FloatTab";
     static UNFLOAT_TAB = "FlexLayout_UnFloatTab";
+    static DESELECT_TABSET = "FlexLayout_DeselectTabset";
 
     /**
      * Adds a tab node to the given tabset node
@@ -165,4 +166,11 @@ export class Actions {
     static unFloatTab(nodeId: string): Action {
         return new Action(Actions.UNFLOAT_TAB, { node: nodeId });
     }
+
+    /**
+     * Deselect the active tab set, setting the active tabset to undefined
+     */
+    static deselectTabset(): Action {
+        return new Action(Actions.DESELECT_TABSET, {})
+    }
 }
diff --git a/src/model/Model.ts b/src/model/Model.ts
index 95cb2f13..1eebde70 100755
--- a/src/model/Model.ts
+++ b/src/model/Model.ts
@@ -395,6 +395,10 @@ export class Model {
                 node._updateAttrs(action.data.json);
                 break;
             }
+            case Actions.DESELECT_TABSET: {
+                this._activeTabSet = undefined;
+                break;
+            }
             default:
                 break;
         }