topic Re: Interactive ALV using classes in Application Development and Automation Discussions

Interactive ALV using classes

former_member4082 — Fri, 15 Apr 2022 09:08:58 GMT

Hi Gurus,

I am trying to build an Interactive report using classes, but I am facing some issues. After execution of report I am getting the first table, but whenever I will click on the record of that table, it is not navigating me to next desired internal table. I am attaching the utility report in the attachment.

Request you to guide me , what is incorrect in the report.

Thanks and Regards,

Aditya Maneinteractive-report-1.txt

Re: Interactive ALV using classes

abo — Fri, 15 Apr 2022 09:26:27 GMT

please paste the code in the question, using the "CODE" button to format it.

Re: Interactive ALV using classes

former_member4082 — Fri, 15 Apr 2022 09:40:53 GMT

CLASS lcl_interactive DEFINITION.
  PUBLIC SECTION.

    TYPES: BEGIN OF ty_data,
             usmd_creq_type   TYPE usmd_crequest_type,
             txtmi            TYPE usmd_txtmi,
             usmd_model       TYPE usmd_model,
             usmd_crequest_wf TYPE usmd_workflow,
           END OF ty_data,

           BEGIN OF ty_data_id,
             usmd_creq_type TYPE usmd_crequest_type,
             usmd_creq_step TYPE usmd_ssw_crequest_step,
             txtmi          TYPE usmd_txtmi,
           END OF ty_data_id.

    DATA: lt_data         TYPE STANDARD TABLE OF ty_data,
          ls_data         TYPE  ty_data,
          lt_data_id      TYPE STANDARD TABLE OF ty_data_id,
          ls_data_id      TYPE  ty_data_id,
          lt_fcat         TYPE slis_t_fieldcat_alv,
          ls_fcat         TYPE slis_fieldcat_alv,
          lt_fcat_id      TYPE slis_t_fieldcat_alv,
          ls_fcat_id      TYPE slis_fieldcat_alv,
          go_data         TYPE REF TO cl_gui_alv_grid,
          go_cont_data    TYPE REF TO cl_gui_custom_container,
          go_data_id      TYPE REF TO cl_gui_alv_grid,
          go_cont_data_id TYPE REF TO cl_gui_custom_container,
          var             TYPE usmd_crequest_type,
          o_event         TYPE REF TO lcl_interactive,
          go_alv          TYPE REF TO cl_gui_alv_grid.
    DATA : lr_alv TYPE REF TO cl_salv_table.
    METHODS: get_fieldcat,get_data, handle_double_click
          FOR EVENT double_click
          OF cl_gui_alv_grid
          IMPORTING e_row e_column.

ENDCLASS.

CLASS lcl_interactive IMPLEMENTATION.
  METHOD get_fieldcat.
    ls_fcat-col_pos = '1'.
    ls_fcat-fieldname = 'USMD_CREQ_TYPE'.
    ls_fcat-seltext_m = 'CR TYPE'.
    ls_fcat-hotspot = 'X'.
    APPEND ls_fcat TO lt_fcat.
    CLEAR ls_fcat.

    ls_fcat-col_pos = '2'.
    ls_fcat-fieldname = 'TXTMI'.
    ls_fcat-seltext_m = 'SHORT DESCRIPTION'.
    APPEND ls_fcat TO lt_fcat.
    CLEAR ls_fcat.

    ls_fcat-col_pos = '3'.
    ls_fcat-fieldname = 'USMD_MODEL'.
    ls_fcat-seltext_m = 'DATA MODEL'.
    APPEND ls_fcat TO lt_fcat.
    CLEAR ls_fcat.

    ls_fcat-col_pos = '4'.
    ls_fcat-fieldname = 'USMD_CREQUEST_WF'.
    ls_fcat-seltext_m = 'WORKFLOW'.
    APPEND ls_fcat TO lt_fcat.
    CLEAR ls_fcat.

*
    ls_fcat_id-col_pos = 1.
    ls_fcat_id-fieldname = 'USMD_CREQ_TYPE'.
    ls_fcat_id-seltext_m = 'CR TYPE'.
    APPEND ls_fcat_id TO lt_fcat_id.
    CLEAR ls_fcat_id.

    ls_fcat_id-col_pos = 2.
    ls_fcat_id-fieldname = 'USMD_CREQ_STEP'.
    ls_fcat_id-seltext_m = 'Step'.
    APPEND ls_fcat_id TO lt_fcat_id.
    CLEAR ls_fcat_id.

    ls_fcat_id-col_pos = 3.
    ls_fcat_id-fieldname = 'TXTMI'.
    ls_fcat_id-seltext_m = 'CR TYPE'.
    APPEND ls_fcat_id TO lt_fcat_id.
*
  ENDMETHOD.

  METHOD get_data.
    CALL METHOD me->get_fieldcat.
    SELECT usmd110c~usmd_creq_type usmd110t~txtmi usmd110c~usmd_model usmd110c~usmd_crequest_wf
      INTO TABLE lt_data
      FROM usmd110c INNER JOIN usmd110t
      ON usmd110c~usmd_creq_type = usmd110t~usmd_creq_type
      WHERE usmd110c~usmd_creq_type LIKE 'Z%1'.

    CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
      EXPORTING
        i_callback_program = sy-repid
*       i_callback_user_command = 'UCOMMAND'
*       it_events          = .
        it_fieldcat        = lt_fcat
      TABLES
        t_outtab           = lt_data
      EXCEPTIONS
        program_error      = 1
        OTHERS             = 2.

  ENDMETHOD.
  METHOD handle_double_click.
    CALL METHOD me->get_fieldcat.


    CASE e_column-fieldname.
      WHEN 'usmd_creq_type'.
        READ TABLE lt_data INTO ls_data INDEX e_row-index.

        IF sy-subrc EQ 0.
          SELECT usmd_creq_type usmd_creq_step txtmi FROM usmd202t_ssw
     INTO TABLE lt_data_id.
        ENDIF.
        CREATE OBJECT o_event.
        SET HANDLER o_event->handle_double_click FOR go_alv.
        CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
          EXPORTING
            i_callback_program = sy-repid
*           i_callback_user_command = 'UCOMMAND'
            it_fieldcat        = lt_fcat_id
          TABLES
            t_outtab           = lt_data_id
          EXCEPTIONS
            program_error      = 1
            OTHERS             = 2.
    ENDCASE.
  ENDMETHOD.

ENDCLASS.

START-OF-SELECTION.
  DATA: lo_obj  TYPE REF TO lcl_interactive,
        lo_obj1 TYPE REF TO lcl_interactive.
  CREATE OBJECT lo_obj.
  CREATE OBJECT lo_obj1.
  lo_obj->get_data( ).
  lo_obj1->handle_double_click( ).

Re: Interactive ALV using classes

Jeansy — Fri, 15 Apr 2022 10:27:27 GMT

Few comments:

You use a class based report, but then you use the old-school ALV using REUSE_ALV_GRID. Why don't you use the class based variants of ALV, e.g. SALV? You will find a lot of examples in this community
Reason why this does not work is simple, the first ALV is shown in method GET_DATA but there is no "callback" implemented so that you can react on a event (e.g. double click). So it's not really interactive
Instead you call the second ALV in a HANDLE-method that is implemented based on the event of the ALV-class CL_GUI_ALV_GRID which is not used here (as you used the mentioned function module for ALV-output). You just call this event-based method in your START-OF-SELECTION w/o any relation to the first ALV.

I think you have to redesign the report a bit 🙂

Kind regards
Jens

Re: Interactive ALV using classes

Jeansy — Fri, 15 Apr 2022 10:32:07 GMT

Please check the following example as basis for a redesign of the report (based on my comments above):
http://abaptutorialspot.blogspot.com/2018/09/salv-5-salv-double-click.html

When reacting on the double click of the main ALV you can use this example to show the second ALV as a popup version. See here:
http://zevolving.com/2013/09/popup-using-salv/

I hope this helps you 🙂

Kind regards
Jens

Re: Interactive ALV using classes

abo — Fri, 15 Apr 2022 10:36:15 GMT

aditya.mane

good, now it's better; do you know that you may edit a question? That is, insert the code in the body of the question, instead of adding a comment. These things together make for easier reading.

Jens already gave you some tips, nothing to add on that.