[gnumeric] Export style information attached to grids to ODF. Part of [#671461]

[Andreas J. Guelzow <guelzow src gnome org>]

commit 1687e7bbb8a3025a19ea58f0117874c29182fc93
Author: Andreas J Guelzow <aguelzow pyrshep ca>
Date:   Mon Mar 12 09:23:17 2012 -0600

    Export style information attached to grids to ODF. Part of [#671461]
    
    2012-03-12  Andreas J. Guelzow <aguelzow pyrshep ca>
    
    	* openoffice-write.c (odf_write_one_axis_grid): write style name

 NEWS                                  |    3 ++-
 plugins/openoffice/ChangeLog          |    6 +++++-
 plugins/openoffice/openoffice-write.c |    5 +++++
 3 files changed, 12 insertions(+), 2 deletions(-)
---
diff --git a/NEWS b/NEWS
index ffb03bd..93e37c9 100644
--- a/NEWS
+++ b/NEWS
@@ -7,7 +7,8 @@ Andreas:
 	interpolation. [#671508]
 	* Handle unusual styles created in xls import. [#671745]
 	* Do not show an icon for the range entry in the search dialog. [#671494]
-	* Import style information attached to grids from ODF. part of [#671461]
+	* Import/Export style information attached to grids from/to ODF. 
+	Part of [#671461]
 
 Jean:
 	* Fixed crash with sheet object. [#671617]
diff --git a/plugins/openoffice/ChangeLog b/plugins/openoffice/ChangeLog
index d08830a..7b2403f 100644
--- a/plugins/openoffice/ChangeLog
+++ b/plugins/openoffice/ChangeLog
@@ -1,6 +1,10 @@
 2012-03-12  Andreas J. Guelzow <aguelzow pyrshep ca>
 
-	* openoffice-write.c (oo_chart_grid): use style name
+	* openoffice-write.c (odf_write_one_axis_grid): write style name
+
+2012-03-12  Andreas J. Guelzow <aguelzow pyrshep ca>
+
+	* openoffice-read.c (oo_chart_grid): use style name
 
 2012-03-10  Andreas J. Guelzow <aguelzow pyrshep ca>
 
diff --git a/plugins/openoffice/openoffice-write.c b/plugins/openoffice/openoffice-write.c
index 71865ae..6473160 100644
--- a/plugins/openoffice/openoffice-write.c
+++ b/plugins/openoffice/openoffice-write.c
@@ -6412,9 +6412,14 @@ odf_write_one_axis_grid (GnmOOExport *state, GogObject const *axis,
 
 	grid = gog_object_get_child_by_name (axis, role);
 	if (grid) {
+		char *style = odf_get_gog_style_name_from_obj (GOG_OBJECT (grid));
+
 		gsf_xml_out_start_element (state->xml, CHART "grid");
+		gsf_xml_out_add_cstr (state->xml, CHART "style-name", style);
 		gsf_xml_out_add_cstr (state->xml, CHART "class", class);
 		gsf_xml_out_end_element (state->xml); /* </chart:grid> */
+
+		g_free (style);
 	}
 }