public void updateChanges(List<ModelNode> _changes) {
   dataProvider.setList(_changes);
   table.selectDefaultEntity();
   this.changes.clear();
   this.changes.addAll(_changes);
   detailsConfigurationChange.clearValue();
 }
 public void setEnabled(final boolean enabled) {
   if (enabled) {
     enableBtn.setVisible(false);
     disableBtn.setVisible(true);
     refreshBtn.setEnabled(true);
   } else {
     enableBtn.setVisible(true);
     disableBtn.setVisible(false);
     refreshBtn.setEnabled(false);
     dataProvider.setList(Collections.emptyList());
   }
   detailsConfigurationChange.clearValue();
 }