[glom] Dialog_Layout_Export::set_layout_groups(): Fill field details one by one.

[Murray Cumming <murrayc src gnome org>]

commit 88bd0d34978445c4c97d5f22c0a5e55b7925d4ba
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Mar 18 14:18:03 2016 +0100

    Dialog_Layout_Export::set_layout_groups(): Fill field details one by one.
    
    Using the new method from the previous commit.

 glom/mode_design/layout/dialog_layout_export.cc |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)
---
diff --git a/glom/mode_design/layout/dialog_layout_export.cc b/glom/mode_design/layout/dialog_layout_export.cc
index 03f4aee..0ab77c6 100644
--- a/glom/mode_design/layout/dialog_layout_export.cc
+++ b/glom/mode_design/layout/dialog_layout_export.cc
@@ -107,9 +107,6 @@ void Dialog_Layout_Export::set_layout_groups(Document::type_list_layout_groups&
     //Set the table name and title:
     m_label_table_name->set_text(table_name);
 
-    if(document)
-      document->fill_layout_field_details(m_table_name, mapGroups); //Update with full field information.
-
     //If we have not layout information, then start with something:
     /*
     if(mapGroups.empty())
@@ -148,7 +145,11 @@ void Dialog_Layout_Export::set_layout_groups(Document::type_list_layout_groups&
           auto iterTree = m_model_fields->append();
           Gtk::TreeModel::Row row = *iterTree;
 
-          row[m_ColumnsFields.m_col_layout_item] = glom_sharedptr_clone(item);
+          auto layout_item = glom_sharedptr_clone(item);
+          if(document)
+            document->fill_layout_field_details_item(m_table_name, layout_item); //Update with full field 
information.
+
+          row[m_ColumnsFields.m_col_layout_item] = layout_item;
           row[m_ColumnsFields.m_col_sequence] = field_sequence;
           ++field_sequence;
         }