From fd8bfd4585259655f2e95c0157b57604b5d220c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81kos=20Fekete?= <akos.fekete@z-consulting.eu>
Date: Fri, 7 Jul 2023 08:46:16 +0200
Subject: [PATCH] Do not remove subgrid when updating widget content

---
 src/gridstack.ts | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/gridstack.ts b/src/gridstack.ts
index acdfe743d..442b98702 100644
--- a/src/gridstack.ts
+++ b/src/gridstack.ts
@@ -1192,10 +1192,16 @@ export class GridStack {
 
       // check for content changing
       if (w.content) {
-        let sub = el.querySelector('.grid-stack-item-content');
-        if (sub && sub.innerHTML !== w.content) {
-          sub.innerHTML = w.content;
+        let toRemove = el.querySelectorAll('.grid-stack-item-content > :not(.grid-stack-nested, style)');
+        const subGrid = el.querySelector('.grid-stack-item-content > .grid-stack-nested')
+        const itemContent = el.querySelector('.grid-stack-item-content');
+        if (toRemove) {
+          toRemove.forEach(child => itemContent.removeChild(child));
         }
+        const tempEl = document.createElement("div");
+        tempEl.innerHTML = w.content;
+        tempEl.childNodes.forEach(childNode => itemContent.insertBefore(childNode, subGrid));
+
         delete w.content;
       }