error: Add helper confirm_unapplied_changes

For the common dialog we use to confirm changes

virtManager/details.py

@@ -1178,13 +1178,7 @@ class vmmDetails(vmmGObjectUI):
         if not self.widget("config-apply").get_sensitive():
             return False
 
-        if not self.err.chkbox_helper(
-                self.config.get_confirm_unapplied,
-                self.config.set_confirm_unapplied,
-                text1=(_("There are unapplied changes. Would you like to apply "
-                    "them now?")),
-                chktext=_("Don't warn me again."),
-                default=False):
+        if not self.err.confirm_unapplied_changes():
             return False
 
         return not self.config_apply(row=row)

virtManager/error.py

@@ -157,6 +157,18 @@ class vmmErrorDialog(vmmGObject):
         buttons = Gtk.ButtonsType.OK
         return self._simple_dialog(dtype, buttons, text1, text2, title)
 
+    def confirm_unapplied_changes(self):
+        """
+        Helper function for confirming whether to apply unapplied changes
+        """
+        return self.chkbox_helper(
+                self.config.get_confirm_unapplied,
+                self.config.set_confirm_unapplied,
+                text1=(_("There are unapplied changes. "
+                         "Would you like to apply them now?")),
+                chktext=_("Don't warn me again."),
+                default=False)
+
 
     ##########################################
     # One shot dialog with a checkbox prompt #

virtManager/hostnets.py

@@ -450,18 +450,8 @@ class vmmHostNets(vmmGObjectUI):
         self._active_edits.add(edittype)
 
     def _confirm_changes(self):
-        if not self._active_edits:
-            return True
-
-        if self.err.chkbox_helper(
-                self.config.get_confirm_unapplied,
-                self.config.set_confirm_unapplied,
-                text1=(_("There are unapplied changes. "
-                         "Would you like to apply them now?")),
-                chktext=_("Don't warn me again."),
-                default=False):
+        if self._active_edits and self.err.confirm_unapplied_changes():
             self._net_apply()
-
         self._active_edits = set()
         return True
 

virtManager/snapshots.py

@@ -358,13 +358,7 @@ class vmmSnapshotPage(vmmGObjectUI):
         if not self._unapplied_changes or not path_selected:
             return True
 
-        if self.err.chkbox_helper(
-                self.config.get_confirm_unapplied,
-                self.config.set_confirm_unapplied,
-                text1=(_("There are unapplied changes. "
-                         "Would you like to apply them now?")),
-                chktext=_("Don't warn me again."),
-                default=False):
+        if self.err.confirm_unapplied_changes():
             self._apply()
 
         return True

virtManager/storagelist.py

@@ -584,18 +584,8 @@ class vmmStorageList(vmmGObjectUI):
         self.widget("pool-apply").set_sensitive(False)
 
     def _confirm_changes(self):
-        if not self._active_edits:
-            return True
-
-        if self.err.chkbox_helper(
-                self.config.get_confirm_unapplied,
-                self.config.set_confirm_unapplied,
-                text1=(_("There are unapplied changes. "
-                         "Would you like to apply them now?")),
-                chktext=_("Don't warn me again."),
-                default=False):
+        if self._active_edits and self.err.confirm_unapplied_changes():
             self._pool_apply()
-
         self._active_edits = set()
         return True