From d6764b45515465ab6a29fb6dbd0905a70a536091 Mon Sep 17 00:00:00 2001
From: Kah Wei <msntkw@msn.com>
Date: Sat, 12 Nov 2022 03:25:46 +0800
Subject: [PATCH] Added support for adding and removing elements from a list

---
 SHADE_Managed/src/Editor/Editor.cxx | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/SHADE_Managed/src/Editor/Editor.cxx b/SHADE_Managed/src/Editor/Editor.cxx
index d1672929..c481e0b8 100644
--- a/SHADE_Managed/src/Editor/Editor.cxx
+++ b/SHADE_Managed/src/Editor/Editor.cxx
@@ -181,7 +181,12 @@ namespace SHADE
                 SHEditorUI::Text(Convert::ToNative(field->Name));
                 SHEditorUI::SameLine();
 
-                SHEditorUI::Button("+");
+                if (SHEditorUI::Button("+"))
+                {
+                    System::Object^ obj = System::Activator::CreateInstance(listType);
+                    iList->Add(obj);
+                    registerUndoListAddAction(listType, iList, iList->Count - 1, obj);
+                }
 
                 SHEditorUI::Indent();
                 for (int i = 0; i < iList->Count; ++i)
@@ -195,7 +200,14 @@ namespace SHADE
                         registerUndoListChangeAction(listType, iList, i, obj, oldObj);
                     }
                     SHEditorUI::SameLine();
-                    SHEditorUI::Button("-");
+                    if (SHEditorUI::Button("-"))
+                    {
+                        System::Object^ obj = iList[i];
+                        iList->RemoveAt(i);
+                        registerUndoListRemoveAction(listType, iList, i, obj);
+                        SHEditorUI::PopID();
+                        break;
+                    }
                     SHEditorUI::PopID();
                 }
                 SHEditorUI::Unindent();
@@ -367,6 +379,9 @@ namespace SHADE
             return;
 
         actionStack.Add(gcnew ListElementAddCommand(list, index, data));
+
+        // Inform the C++ Undo-Redo stack
+        SHCommandManager::RegisterCommand(std::reinterpret_pointer_cast<SHBaseCommand>(std::make_shared<SHCLICommand>()));
     }
 
     void Editor::registerUndoListRemoveAction(System::Type^ type, System::Collections::IList^ list, int index, System::Object^ data)
@@ -375,6 +390,9 @@ namespace SHADE
             return;
 
         actionStack.Add(gcnew ListElementRemoveCommand(list, index, data));
+
+        // Inform the C++ Undo-Redo stack
+        SHCommandManager::RegisterCommand(std::reinterpret_pointer_cast<SHBaseCommand>(std::make_shared<SHCLICommand>()));
     }
 
     generic<typename Attribute>