[gnome-calendar/calendar-management] source-manager: confirm the removal before actually removing

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

commit e0b6c4af2e39a3fca5634a9a283852df6d291f05
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Feb 5 18:44:58 2015 -0200

    source-manager: confirm the removal before actually removing
    
    This will avoid complaints in the future.

 src/gcal-source-manager-dialog.c |   35 ++++++++++++++++++++++++++++++++++-
 1 files changed, 34 insertions(+), 1 deletions(-)
---
diff --git a/src/gcal-source-manager-dialog.c b/src/gcal-source-manager-dialog.c
index 7efd5f4..0e197af 100644
--- a/src/gcal-source-manager-dialog.c
+++ b/src/gcal-source-manager-dialog.c
@@ -465,10 +465,43 @@ remove_action_activated (GSimpleAction *menu_item,
                          gpointer       user_data)
 {
   GcalSourceManagerDialogPrivate *priv;
+  GtkWidget *dialog, *cancel_button, *remove_button;
+  gint response;
+
   priv = gcal_source_manager_dialog_get_instance_private (GCAL_SOURCE_MANAGER_DIALOG (user_data));
 
-  if (priv->selected_source != NULL)
+  if (priv->selected_source == NULL)
+    return;
+
+  /* Prepare the dialog */
+  dialog = gtk_message_dialog_new (GTK_WINDOW (user_data), GTK_DIALOG_MODAL, GTK_MESSAGE_QUESTION, 
GTK_BUTTONS_NONE,
+                                   _("Do you really want to remove the calendar '%s'?"),
+                                   e_source_get_display_name (priv->selected_source));
+
+  gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
+                                            _("This will remove all data associated with this calendar."));
+
+  /* Dialog buttons */
+  cancel_button = gtk_button_new_with_label (_("Cancel"));
+  remove_button = gtk_button_new_with_label (_("Remove"));
+
+  gtk_style_context_add_class (gtk_widget_get_style_context (remove_button), "destructive-action");
+
+  gtk_widget_show (cancel_button);
+  gtk_widget_show (remove_button);
+
+  gtk_dialog_add_action_widget (GTK_DIALOG (dialog), cancel_button, GTK_RESPONSE_CANCEL);
+  gtk_dialog_add_action_widget (GTK_DIALOG (dialog), remove_button, GTK_RESPONSE_OK);
+
+
+  /* Run the dialog and wait for the response */
+  response = gtk_dialog_run (GTK_DIALOG (dialog));
+
+  /* Remove the source */
+  if (response == GTK_RESPONSE_OK)
     gcal_manager_remove_source (priv->manager, priv->selected_source);
+
+  gtk_widget_destroy (dialog);
 }
 
 /**