X-Git-Url: https://harishankar.org/repos/?p=biaweb_qt.git;a=blobdiff_plain;f=templates_dialog.py;h=20f2e18e76b88d7a4a8021aa31f0392a2310f7ba;hp=64cc70ca3158fa6b1f37dc49ee929e1f6396b7cb;hb=3ded989fee52f6804d0f8b5b5c0847a9030c7f04;hpb=6ba107bc3e5bef66a447978048e6c41ed038e969

diff --git a/templates_dialog.py b/templates_dialog.py
index 64cc70c..20f2e18 100644
--- a/templates_dialog.py
+++ b/templates_dialog.py
@@ -16,12 +16,20 @@ class TemplatesDialog (PyQt4.QtGui.QDialog, ui_templates_dialog.Ui_TemplatesDial
 
 		# populate the templates
 		tpls = biaweb_db.get_templates (self.current_db)
-		for tpl_name, tpl_content in tpls:
-			self.templates.addItem (str (tpl_name))
+		# if templates populated
+		if tpls:
+			for tpl_name, tpl_content in tpls:
+				self.templates.addItem (str (tpl_name))
+		else:
+			PyQt4.QtGui.QMessageBox.critical (self, "Error", "SQLite 3 error in retrieving templates")
 
 	def onEdit (self):
 		# get the currently selected list item
-		tpl_name = str (self.templates.currentItem ().data (0).toString ())
+		sel_item = self.templates.currentItem ()
+		# if no item is selected return
+		if sel_item is None:
+			return
+		tpl_name = str (sel_item.data (0).toString ())
 
 		# get the template content from the database
 		tpl_str = biaweb_db.get_template_text (self.current_db, tpl_name)