QGIS » QGIS Application

  //if the current item is a legend layer file group

  QgsLegendLayerFileGroup* llfg = dynamic_cast<QgsLegendLayerFileGroup*>( currentItem() );

  if ( llfg )

  {

    QgsDebugMsg( "QgsLegendLayerFileGroup" );

    ll = dynamic_cast<QgsLegendLayer*>( llfg->parent() );

    if (ll)

    {

      std::list<QgsMapLayer*> maplayers = ll->mapLayers();

      int layerCount = maplayers.size();

      for ( std::list<QgsMapLayer*>::iterator it = maplayers.begin(); it != maplayers.end(); ++it )

      {

	//remove the layer

	if ( *it )

	{

	  removeLayer( *it, true );

	}

      }

      if ( layerCount == 0 )

      {

	// delete the item only when it didn't have any child legend layer files

	// (otherwise it is deleted in QgsLegend::removeLayer when deleting last legend layer file)

	mStateOfCheckBoxes.erase( ll );

	removeItem( ll );

	delete ll;

      }

      adjustIconSize();

      return;

    }

  }