question: public void actionPerformed ( ActionEvent e ) { Object source = e . getSource ( ) ; if ( source == selAcctSchema ) actionAcctSchema ( ) ; else if ( source == bQuery ) actionQuery ( ) ; else if ( source == selDocument ) actionDocument ( ) ; else if ( source == selTable ) actionTable ( ) ; else if ( source == bRePost ) actionRePost ( ) ; else if ( source == bPrint ) PrintScreenPainter . printScreen ( this ) ; else if ( source == bExport ) exportExcel ( ) ; else if ( source instanceof CButton ) actionButton ( ( CButton ) source ) ; }
target:  Action Performed (Action Listener)