DefaultListItem noneListItem = new DefaultListItem( Messages.getString( "none" ) );
noneListItem.setValue( "ERROR" );
loggingDropDown.addItem( noneListItem );
DefaultListItem shortListItem = new DefaultListItem( Messages.getString( "short" ) );
shortListItem.setValue( "WARN" );
loggingDropDown.addItem( shortListItem );
DefaultListItem debugListItem = new DefaultListItem( Messages.getString( "verbose" ) );
debugListItem.setValue( "TRACE" );
loggingDropDown.addItem( debugListItem );
loggingDropDown.setVisibleRowCount( 1 );
disclosureContent.add( loggingDropDown );