question: protected void newCertBtnListener ( ) { NewCertificateDialogData data = new NewCertificateDialogData ( ) ; NewCertificateDialog dialog = new NewCertificateDialog ( getShell ( ) , data , "" ) ; int returnCode = dialog . open ( ) ; if ( returnCode == Window . OK ) { String certPath = data . getCerFilePath ( ) ; certTxt . setText ( certPath != null ? certPath . replace ( '\\' , '/' ) : certPath ) ; certInfoTxt . setText ( getCertInfo ( certTxt . getText ( ) ) ) ; } }
target:  Listener for new button.