Force to refresh the menu container when removing a home & unset moved entry from the original widget

application/controllers/DashboardsController.php

@@ -93,6 +93,8 @@ class DashboardsController extends CompatController
 
         $homeForm = new HomeForm($this->dashboard);
         $homeForm->on(HomeForm::ON_SUCCESS, function () use ($homeForm) {
+            $this->getResponse()->setHeader('X-Icinga-Extra-Updates', '#menu');
+
             $params = ['home' => $homeForm->getPopulatedValue('title')];
 
             $this->redirectNow(Url::fromPath(Dashboard::BASE_ROUTE . '/settings')->setParams($params));
@@ -129,6 +131,8 @@ class DashboardsController extends CompatController
 
         $homeForm = (new RemoveHomeForm($this->dashboard))
             ->on(RemoveHomeForm::ON_SUCCESS, function () {
+                $this->getResponse()->setHeader('X-Icinga-Extra-Updates', '#menu');
+
                 $this->redirectNow(Url::fromPath(Dashboard::BASE_ROUTE . '/settings'));
             })
             ->handleRequest($this->getServerRequest());

library/Icinga/Web/Dashboard/Common/BaseDashboard.php

@@ -297,4 +297,8 @@ abstract class BaseDashboard implements DashboardEntry
     public function rewindEntries()
     {
     }
+
+    public function unsetEntry(BaseDashboard $dashboard)
+    {
+    }
 }

library/Icinga/Web/Dashboard/Common/DashboardEntries.php

@@ -98,6 +98,17 @@ trait DashboardEntries
         return reset($dashboards);
     }
 
+    public function unsetEntry(BaseDashboard $dashboard)
+    {
+        if (! $this->hasEntry($dashboard->getName())) {
+            throw new ProgrammingError('Trying to unset an invalid Dashboard entry: "%s"', $dashboard->getName());
+        }
+
+        unset($this->dashboards[$dashboard->getName()]);
+
+        return $this;
+    }
+
     public function reorderWidget(BaseDashboard $dashboard, int $position, Sortable $origin = null)
     {
         if ($origin && ! $origin instanceof $this) {
@@ -125,6 +136,10 @@ trait DashboardEntries
 
             $entries[$item->getName()] = $item;
             $this->manageEntry($item, $dashboard->getName() === $item->getName() ? $origin : null);
+
+            if ($dashboard->getName() === $item->getName() && $origin) {
+                $origin->unsetEntry($dashboard);
+            }
         }
 
         $this->setEntries($entries);

library/Icinga/Web/Dashboard/Common/DashboardEntry.php

@@ -129,4 +129,13 @@ interface DashboardEntry
      * @return false|BaseDashboard
      */
     public function rewindEntries();
+
+    /**
+     * Unset the given dashboard entry from this widget dashboard entries
+     *
+     * @param BaseDashboard $dashboard
+     *
+     * @return $this
+     */
+    public function unsetEntry(BaseDashboard $dashboard);
 }

library/Icinga/Web/Dashboard/Pane.php

@@ -129,7 +129,7 @@ class Pane extends BaseDashboard implements Sortable
                 // The module from which this dashlet originates doesn't exist anymore
                 $this->removeEntry($newDashlet);
 
-                unset($this->dashboards[$newDashlet->getName()]);
+                $this->unsetEntry($newDashlet);
             } elseif (! $newDashlet->isDisabled() && ! Modules\DashletManager::isUsable($newDashlet)) {
                 // The module from which this dashlet originates is probably disabled,
                 // so don't load this dashlet anymore and disable it
@@ -144,7 +144,7 @@ class Pane extends BaseDashboard implements Sortable
             }
 
             if ($newDashlet->isDisabled()) {
-                unset($this->dashboards[$newDashlet->getName()]);
+                $this->unsetEntry($newDashlet);
             }
         }