How to get the page number when click the(Next page) Icon on Tableview

Question

Hi all,
       I had implemented a tableview in one of the Views that I had implemented for a BSP application. I am using MVC framework.
Let us assume when we execute the BSP and a table view got 11 pages.
How I can keep track of the page number when we click the  (Next page, Previous page, Bottom , Top) Icons on my tableview . Is there any attribute willstore that  corresponding page number of the tableview when we click the corresponding Icon's??
I had checked both CL_HTMLB_TABLEVIEW and CL_HTMLB_EVENT_TABLEVIEW Classes and i don't find any attribute.
Any help will be appreciated.
Thanks in advance.
Thanks,
Greetson

Answer 1

Hi Greetson,
  I was thinking to write a weblog about that.
  But now I would like to have your opinion:
  I coded a generic method in my main controller (but you could also insert it in the application class) that save the firstvisible row in the class  me->firstvisiblerowlist (that is a table)
  DATA: l_firstvisiblerowlist TYPE zmmsp_tableview_1st_visi_row.
  DATA: ff  TYPE ihttpnvp,
        ffs TYPE tihttpnvp.
  me->request->get_form_fields( CHANGING fields = ffs ).
  LOOP AT ffs INTO ff.
    IF ff-name CP 'f*visiblefirstrow'.
      READ TABLE me->firstvisiblerowlist INTO l_firstvisiblerowlist WITH KEY name = ff-name.
      CASE sy-subrc.
        WHEN 0.
          l_firstvisiblerowlist-name  = ff-name.
          l_firstvisiblerowlist-value = ff-value.
          MODIFY me->firstvisiblerowlist FROM l_firstvisiblerowlist INDEX sy-tabix.
        WHEN 4.
          IF sy-tabix = 0.
            l_firstvisiblerowlist-name  = ff-name.
            l_firstvisiblerowlist-value = ff-value.
            APPEND l_firstvisiblerowlist TO me->firstvisiblerowlist.
          ELSE.
            l_firstvisiblerowlist-name  = ff-name.
            l_firstvisiblerowlist-value = ff-value.
            INSERT l_firstvisiblerowlist INTO me->firstvisiblerowlist INDEX sy-tabix.
          ENDIF.
        WHEN 8.
          l_firstvisiblerowlist-name  = ff-name.
          l_firstvisiblerowlist-value = ff-value.
          APPEND l_firstvisiblerowlist TO me->firstvisiblerowlist.
      ENDCASE.
    ENDIF.
  ENDLOOP.
Than you have to provide a generic method to read the firstvisiblerow for each tableview
GET_FIRSTVISIBLEROW
*IM_TABLENAME
*RE_VALUE
  DATA: l_firstvisiblerow  TYPE zmmsp_tableview_1st_visi_row.
  READ TABLE me->firstvisiblerowlist INTO l_firstvisiblerow WITH KEY name = im_tablename.
  IF sy-subrc = 0.
    re_value =  l_firstvisiblerow-value.
  ELSE.
    re_value =  1.
  ENDIF.
And in the DO_REQUSET of each controller you could write something like:
* Paginator
  DATA: l_tab1_visiblefirstrow TYPE sytabix.
  l_tab1_visiblefirstrow = o_bsp_main->get_firstvisiblerow( 'f019id_tab1_visiblefirstrow'    ).
As usual pass the value to the view via:
  o_page->set_attribute( name = 'tab1visiblefirstrow' value = l_tab1_visiblefirstrow ).
Did you get it?