public void removed(java.awt.Container cont){
  if (dataHandlers != null) {
    for (    LocationHandler dataHandler : dataHandlers) {
      dataHandler.removed(cont);
    }
  }
}

public void removed ( java . awt . Container cont ) { if ( dataHandlers != null ) { for ( LocationHandler dataHandler : dataHandlers ) { dataHandler . removed ( cont ) ; } } }
let the locationhandlers know that the layer has been removed .
