Song edit bug - save and preview on new song

openlp/core/lib/serviceitem.py

@@ -134,6 +134,7 @@ class ServiceItem(object):
         else:
             self.RenderManager.set_override_theme(self.theme)
         format = self._display_frames[row][u'text'].split(u'\n')
+        #if screen blank then do not display footer
         if format[0]:
             frame = self.RenderManager.generate_slide(format,
                             self.raw_footer)

openlp/plugins/songs/forms/editsongform.py

@@ -169,6 +169,8 @@ class EditSongForm(QtGui.QDialog, Ui_EditSongDialog):
         self.loadAuthors()
         self.loadTopics()
         self.loadBooks()
+        #it's a new song to preview is not possible
+        self.previewButton.setVisible(False)
 
     def loadSong(self, id, preview):
         log.debug(u'Load Song')