dblayeroo: if displayAdd is empty, remove all the previous defined displayed columns

git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@3829 bf3deb0d-5f1a-0410-827f-c0cc1f45334c

dblayeroo.php

@@ -1557,6 +1557,9 @@ class dblayeroo
     if (count ($aliasNames) && count ($aliasNames) !== count ($columnNames))
       $this->DBException (
         "The number of aliasNames are not the same as the number of columns");
+    // If there is no provided names, reset all the defined ones
+    if (count ($columnNames) === 0)
+      $this->displayColumn = array ();
     foreach ($columnNames as $nb => $display)
     {
       $display = $name = trim ($display);