Fix missing quick add list, inability to select server

Author: kring

Source/CesiumEditor/Private/CesiumIonServerManager.cpp

@@ -172,6 +172,9 @@ void CesiumIonServerManager::SetCurrentServer(UCesiumIonServer* pServer) {
   if (pSettings) {
     pSettings->CurrentCesiumIonServer = pServer;
     pSettings->Save();
+  }
+
+  if (UCesiumIonServer::GetServerForNewObjects() != pServer) {
     UCesiumIonServer::SetServerForNewObjects(pServer);
     CurrentServerChanged.Broadcast();
   }

Source/CesiumEditor/Private/CesiumIonServerSelector.cpp

@@ -6,12 +6,22 @@
 #include "Editor.h"
 #include "PropertyCustomizationHelpers.h"
 
+CesiumIonServerSelector::CesiumIonServerSelector() {
+  FCesiumEditorModule::serverManager().CurrentServerChanged.AddRaw(
+      this,
+      &CesiumIonServerSelector::OnCurrentServerChanged);
+}
+
+CesiumIonServerSelector::~CesiumIonServerSelector() {
+  FCesiumEditorModule::serverManager().CurrentServerChanged.RemoveAll(this);
+}
+
 void CesiumIonServerSelector::Construct(const FArguments& InArgs) {
   ChildSlot
       [SNew(SHorizontalBox) +
        SHorizontalBox::Slot().FillWidth(1.0f).VAlign(
            EVerticalAlignment::VAlign_Center)
-           [SNew(SComboBox<TWeakObjectPtr<UCesiumIonServer>>)
+           [SAssignNew(_pCombo, SComboBox<TWeakObjectPtr<UCesiumIonServer>>)
                 .OptionsSource(
                     &FCesiumEditorModule::serverManager().GetServerList())
                 .OnGenerateWidget(
@@ -98,3 +108,10 @@ void CesiumIonServerSelector::OnBrowseForServer() {
   Objects.Add(FCesiumEditorModule::serverManager().GetCurrentServer());
   GEditor->SyncBrowserToObjects(Objects);
 }
+
+void CesiumIonServerSelector::OnCurrentServerChanged() {
+  if (this->_pCombo) {
+    this->_pCombo->SetSelectedItem(
+        FCesiumEditorModule::serverManager().GetCurrentServer());
+  }
+}

Source/CesiumEditor/Private/CesiumIonServerSelector.h

@@ -11,6 +11,9 @@ class CesiumIonServerSelector : public SCompoundWidget {
   SLATE_BEGIN_ARGS(CesiumIonServerSelector) {}
   SLATE_END_ARGS()
 
+  CesiumIonServerSelector();
+  virtual ~CesiumIonServerSelector();
+
   void Construct(const FArguments& InArgs);
 
 private:
@@ -23,4 +26,7 @@ class CesiumIonServerSelector : public SCompoundWidget {
       TWeakObjectPtr<UCesiumIonServer> InItem,
       ESelectInfo::Type InSeletionInfo);
   void OnBrowseForServer();
+  void OnCurrentServerChanged();
+
+  TSharedPtr<SComboBox<TWeakObjectPtr<UCesiumIonServer>>> _pCombo;
 };

Source/CesiumEditor/Private/CesiumPanel.cpp

@@ -130,6 +130,12 @@ void CesiumPanel::OnServerChanged() {
   UCesiumIonServer* pNewServer =
       FCesiumEditorModule::serverManager().GetCurrentServer();
   this->Subscribe(pNewServer);
+
+  std::shared_ptr<CesiumIonSession> pSession =
+      FCesiumEditorModule::serverManager().GetCurrentSession();
+  if (pSession) {
+    pSession->refreshDefaultsIfNeeded();
+  }
   this->Refresh();
 }