Small wizard refactor

openlp/core/ui/wizard.py

@@ -70,6 +70,12 @@ class OpenLPWizard(QtGui.QWizard):
         self.retranslateUi()
         QtCore.QMetaObject.connectSlotsByName(self)
 
+    def registerFields(self):
+        """
+        Hook method for wizards to register any fields they need.
+        """
+        pass
+
     def addProgressPage(self):
         """
         Add the progress page for the wizard. This page informs the user how

openlp/plugins/songs/forms/songexportform.py

@@ -87,7 +87,8 @@ class SongExportForm(OpenLPWizard):
         Song wizard specific signals.
         """
         QtCore.QObject.connect(self.availableListWidget,
-            QtCore.SIGNAL(u'itemActivated(QListWidgetItem*)'), self.onItemPressed)
+            QtCore.SIGNAL(u'itemActivated(QListWidgetItem*)'),
+            self.onItemPressed)
         QtCore.QObject.connect(self.searchLineEdit,
             QtCore.SIGNAL(u'textEdited(const QString&)'),
             self.onSearchLineEditChanged)
@@ -241,12 +242,6 @@ class SongExportForm(OpenLPWizard):
             self.selectedListWidget.clear()
             return True
 
-    def registerFields(self):
-        """
-        Register song export wizard fields.
-        """
-        pass
-
     def setDefaults(self):
         """
         Set default form values for the song export wizard.

openlp/plugins/songs/forms/songimportform.py

@@ -671,12 +671,6 @@ class SongImportForm(OpenLPWizard):
         """
         self.removeSelectedItems(self.songBeamerFileListWidget)
 
-    def registerFields(self):
-        """
-        Register song import wizard fields.
-        """
-        pass
-
     def setDefaults(self):
         """
         Set default form values for the song import wizard.