[gnome-calendar/calendar-editor] source-dialog: remove discovered sources when page is cleared

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit bb34ab322eb9b77a9a03ff4bceea91db28219dc5
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Mon Mar 30 23:12:58 2015 -0300

    source-dialog: remove discovered sources when page is cleared

 src/gcal-source-dialog.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/src/gcal-source-dialog.c b/src/gcal-source-dialog.c
index 100fd4c..78e30ed 100644
--- a/src/gcal-source-dialog.c
+++ b/src/gcal-source-dialog.c
@@ -162,13 +162,21 @@ static void
 clear_pages (GcalSourceDialog *dialog)
 {
   GcalSourceDialogPrivate *priv = dialog->priv;
+  GList *list;
 
   gtk_entry_set_text (GTK_ENTRY (priv->calendar_address_entry), "");
   gtk_widget_set_sensitive (priv->add_button, FALSE);
 
+  // Remove discovered web sources (if any)
+  list = gtk_container_get_children (GTK_CONTAINER (priv->web_sources_listbox));
+  g_list_free_full (list, (GDestroyNotify) gtk_widget_destroy);
+
+  gtk_revealer_set_reveal_child (GTK_REVEALER (priv->web_sources_revealer), FALSE);
+
   /* details frame */
   if (gtk_widget_get_parent (priv->details_frame) != NULL)
     gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (priv->details_frame)), priv->details_frame);
+
   gtk_widget_hide (priv->details_frame);
 }