question: public void prepReadPane ( boolean onlyChanges ) { if ( log . isDebugEnabled ( ) ) { log . debug ( "start prepReadPane with onlyChanges={}" , onlyChanges ) ; } justChanges = onlyChanges ; if ( isCvTablePane ) { setCvListFromTable ( ) ; } enableButtons ( false ) ; if ( justChanges == true ) { readChangesButton . setEnabled ( true ) ; readChangesButton . setSelected ( true ) ; } else { readAllButton . setSelected ( true ) ; readAllButton . setEnabled ( true ) ; } if ( container . isBusy ( ) == false ) { container . enableButtons ( false ) ; } setToRead ( justChanges , true ) ; varListIndex = 0 ; cvListIterator = cvList . iterator ( ) ; indexedCvListIndex = 0 ; }
target:  Prepare this pane for a read operation. <P> The read mechanism only reads variables in certain states (and needs to do that to handle error processing right now), so this is implemented by first setting all variables and CVs on this pane to TOREAD via this method