Stop navigation in FPM on error message

Question

Hi All,
I am working on FPM framework . I am raising error message on click of the review button.
I have a requirement to stop the navigation further on error message.
User must click the flight details custom button before clicking the review button.unless the flight details button is not clicked user should not go to the next screen.
I hope I am clare
any inputs
Thanks
Santosh

Answer 1

Hello Santosh,
it just an idea...
1/ Set a flag (default abap_false) attribute to true when flightdetails is clicked in the controller of your component as Lekha said;
2/ If your review custom button is part of the FPM toolbar, as I suppose it is, you can trigger the event in the controller process_event method, check if flag is true else call the FPM message manager.
for example with a T100 msg:
CALL METHOD wd_this->mr_message_manager->report_T100_MESSAGE
     EXPORTING
       IV_MSGID          = 'MSGID'
       IV_MSGNO          = 001
       IO_COMPONENT      = wd_this
       IV_SEVERITY       = if_fpm_message_manager=>GC_SEVERITY_ERROR
       IV_LIFETIME       = if_fpm_message_manager=>GC_LIFE_VISIBILITY_AUTOMATIC
*            IV_PARAMETER_1    =
       IO_ELEMENT        = lo_el_sflight_selection
       IV_ATTRIBUTE_NAME = 'CARRID'.
Where the mr_message_manager is a reference to of IF_FPM_MESSAGE_MANAGER.
Hope it can help you.
Best Regards