* app/widgets/gimpdatafactoryview.[ch]: Make instance members
private and add getters for accessed members.

(gimp_data_factory_view_get_edit_button)
(gimp_data_factory_view_get_duplicate_button)
(gimp_data_factory_view_get_data_factory): New getters.

* app/actions/data-commands.c
* app/widgets/gimppatternfactoryview.c: Use new getters.

svn path=/trunk/; revision=27813