* fixing #1484494 (people can delete the last identity otherwise)

* FOR TRANSLATERS: introducing new message

program/include/rcube_user.inc

@@ -241,6 +241,15 @@ class rcube_user
     
     if (!$this->ID)
       return false;
+
+    $sql_result = $DB->query("SELECT count(*) AS ident_count FROM " .
+      get_table_name('identities') .
+      " WHERE user_id = ? AND del != 1",
+      $this->ID);
+
+    $sql_arr = $DB->fetch_assoc($sql_result);
+    if ($sql_arr['ident_count'] <= 1)
+      return false;
     
     $DB->query(
       "UPDATE ".get_table_name('identities')."

program/localization/de_DE/messages.inc

@@ -76,5 +76,5 @@ $messages['errorsavingcontact'] = 'Die Änderungen konnten nicht gespeichert wer
 $messages['movingmessage'] = 'Die E-Mail wird verschoben...';
 $messages['receiptsent'] = 'Bestätigung erfolgreich gesendet';
 $messages['errorsendingreceipt'] = 'Bestätigung konnte nicht gesendet werden';
-
+$messages['nodeletelastidentity'] = 'Sie koennen diesen Absender nicht loeschen.';
 ?>

program/localization/en_GB/messages.inc

@@ -74,5 +74,5 @@ $messages['copyerror'] = 'Could not copy any addresses';
 $messages['sourceisreadonly'] = 'This address source is read-only';
 $messages['errorsavingcontact'] = 'Could not save the contact address';
 $messages['movingmessage'] = 'Moving message...';
-
+$messages['nodeletelastidentity'] = 'You cannot delete this identity, it\'s your last one.';
 ?>

program/localization/en_US/messages.inc

@@ -76,5 +76,5 @@ $messages['errorsavingcontact'] = 'Could not save the contact address';
 $messages['movingmessage'] = 'Moving message...';
 $messages['receiptsent'] = 'Successfully sent a read receipt';
 $messages['errorsendingreceipt'] = 'Could not send the receipt';
-
+$messages['nodeletelastidentity'] = 'You cannot delete this identity, it\'s your last one.';
 ?>

program/steps/settings/delete_identity.inc

@@ -23,8 +23,13 @@ if (($ids = get_input_value('_iid', RCUBE_INPUT_GET)) && preg_match('/^[0-9]+(,[
 {
 
   if ($USER->delete_identity($ids))
+  {
     $OUTPUT->show_message('deletedsuccessfully', 'confirmation');
-
+  }
+  else 
+  {
+    $OUTPUT->show_message('nodeletelastidentity', 'error');
+  }
   // send response
   if ($OUTPUT->ajax_call)
     $OUTPUT->send();