private void RenderActionsView()
        {
            EditorGUILayout.BeginHorizontal();
            var content = new GUIContent();

            content.text    = "Move";
            content.tooltip = "Allows you to move prefabs to a destination category. The popup controls to the right allow you to choose what prefabs will be moved and to which category.";
            if (GUILayout.Button(content, GUILayout.Width(100.0f)))
            {
                if (ViewData.PrefabMoveType == PrefabMoveType.AllPrefabs)
                {
                    PrefabCategory destinationCategory = ViewData.DestinationCategoryForPrefabMove;
                    if (destinationCategory != null)
                    {
                        UndoEx.RecordForToolAction(destinationCategory);
                        UndoEx.RecordForToolAction(PrefabCategoryDatabase.Get().ActivePrefabCategory);
                        PrefabCategoryDatabase.Get().ActivePrefabCategory.TransferAllPrefabsToCategory(destinationCategory);
                    }
                }
                else
                if (ViewData.PrefabMoveType == PrefabMoveType.FilteredPrefabs)
                {
                    PrefabCategory destinationCategory = ViewData.DestinationCategoryForPrefabMove;
                    if (destinationCategory != null)
                    {
                        PrefabCategory activePrefabCategory = PrefabCategoryDatabase.Get().ActivePrefabCategory;
                        UndoEx.RecordForToolAction(destinationCategory);
                        UndoEx.RecordForToolAction(activePrefabCategory);

                        activePrefabCategory.TransferPrefabCollectionToCategory(activePrefabCategory.GetFilteredPrefabs(), destinationCategory);
                    }
                }
                else
                if (ViewData.PrefabMoveType == PrefabMoveType.ActivePrefab)
                {
                    Prefab activePrefab = PrefabCategoryDatabase.Get().ActivePrefabCategory.ActivePrefab;
                    if (activePrefab != null)
                    {
                        PrefabCategory destinationCategory = ViewData.DestinationCategoryForPrefabMove;
                        if (destinationCategory != null)
                        {
                            PrefabCategory activePrefabCategory = PrefabCategoryDatabase.Get().ActivePrefabCategory;
                            UndoEx.RecordForToolAction(PrefabCategoryDatabase.Get());
                            UndoEx.RecordForToolAction(destinationCategory);
                            UndoEx.RecordForToolAction(activePrefabCategory);

                            activePrefabCategory.TransferPrefabToCategory(activePrefab, destinationCategory);
                            PrefabCategoryDatabase.Get().SetActivePrefabCategory(destinationCategory);
                            destinationCategory.SetActivePrefab(activePrefab);
                        }
                    }
                }
            }

            PrefabMoveType newPrefabMoveType = (PrefabMoveType)EditorGUILayout.EnumPopup(ViewData.PrefabMoveType);

            if (newPrefabMoveType != ViewData.PrefabMoveType)
            {
                UndoEx.RecordForToolAction(ViewData);
                ViewData.PrefabMoveType = newPrefabMoveType;
            }

            List <string> allPrefabCategoryNames = PrefabCategoryDatabase.Get().GetAllPrefabCategoryNames();
            string        newString = EditorGUILayoutEx.Popup(new GUIContent(), ViewData.DestinationCategoryForPrefabMove.Name, allPrefabCategoryNames);

            if (newString != ViewData.DestinationCategoryForPrefabMove.Name)
            {
                UndoEx.RecordForToolAction(ViewData);
                ViewData.DestinationCategoryForPrefabMove = PrefabCategoryDatabase.Get().GetPrefabCategoryByName(newString);
            }
            EditorGUILayout.EndHorizontal();

            EditorGUILayout.Separator();
            EditorGUILayout.BeginHorizontal();
            RenderSetPrefabOffsetFromGridSurfaceInActiveCategoryButton();
            RenderPrefabOffsetFromGridSurfaceField();
            EditorGUILayout.EndHorizontal();

            EditorGUILayout.BeginHorizontal();
            RenderSetPrefabOffsetFromObjectSurfaceInActiveCategoryButton();
            RenderPrefabOffsetFromObjectSurfaceField();
            EditorGUILayout.EndHorizontal();
        }