[glom] Dialog_Layout_Details::save_to_document(): Support top-level calendar portal too.

[Murray Cumming <murrayc src gnome org>]

commit 50d24c5068ba21e2ff8068225bd0fa3ff86f4a53
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Jan 28 23:38:08 2016 +0100

    Dialog_Layout_Details::save_to_document(): Support top-level calendar portal too.
    
    Though I don't think the rest of the code supports this yet.

 glom/mode_design/layout/dialog_layout_details.cc |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/glom/mode_design/layout/dialog_layout_details.cc 
b/glom/mode_design/layout/dialog_layout_details.cc
index 46e638c..d170664 100644
--- a/glom/mode_design/layout/dialog_layout_details.cc
+++ b/glom/mode_design/layout/dialog_layout_details.cc
@@ -1055,11 +1055,15 @@ void Dialog_Layout_Details::save_to_document()
       if(!layout_group)
         continue;
 
+      //TODO: This is very ugly:
       auto layout_portal = std::dynamic_pointer_cast<LayoutItem_Portal>(layout_item);
+      auto layout_calendar_portal = std::dynamic_pointer_cast<LayoutItem_CalendarPortal>(layout_item);
       auto layout_notebook = std::dynamic_pointer_cast<LayoutItem_Notebook>(layout_item);
       std::shared_ptr<LayoutGroup> group;
       if(layout_portal) {
         group = std::make_shared<LayoutItem_Portal>();
+      } else if(layout_calendar_portal) {
+        group = std::make_shared<LayoutItem_CalendarPortal>();
       } else if(layout_notebook) {
         group = std::make_shared<LayoutItem_Notebook>();
       } else {