CL_GUI_ALV_GRID event TOP_OF_PAGE

[Former Member]

Hi there,

I found when searching older threads about the same problem but no solution. I have also an ALV program and have registered the event TOP_OF_PAGE (NOT PRINT_TOP_OF_PAGE). The event ist not fired and not processed. As other peoples programs also mine can use print_top_of_page or e.g. hotspot_click without problems.

This is the relevant part of my code. Program does not reach the break-point.

DATA: gfd_title_doc_1 TYPE REF TO cl_dd_document.

CLASS lcl_event_handler_1 DEFINITION DEFERRED.

DATA: gfd_event_receiver_1 TYPE REF TO lcl_event_handler_1.

*----

---

• CLASS DEFINITION

*----

---

*Event Handler

CLASS lcl_event_handler_1 DEFINITION.

PUBLIC SECTION.

CLASS-METHODS:

on_top_of_page_1 FOR EVENT top_of_page OF cl_gui_alv_grid

IMPORTING e_dyndoc_id,

ENDCLASS. "lcl_event_handler DEFINITION

*----

---

• CLASS IMPLEMENTATION

*----

---

• Event Handler

CLASS lcl_event_handler_1 IMPLEMENTATION.

METHOD on_top_of_page_1.

break z00238pw.

PERFORM top_of_page_1 USING e_dyndoc_id.

ENDMETHOD. "on_print_top_of_page

ENDCLASS. "lcl_event_handler IMPLEMENTATION

...

IF gfd_custom_container_1 IS INITIAL.

CREATE OBJECT gfd_custom_container_1

EXPORTING

container_name = gfd_container_1.

CREATE OBJECT gfd_grid_1

EXPORTING

i_parent = gfd_custom_container_1.

• Create ALV

CALL METHOD gfd_grid_1->set_table_for_first_display

EXPORTING

i_structure_name = gc_structure_1

is_variant = gwa_variant_1

is_layout = gwa_layout_1

i_save = gc_save_all

• it_toolbar_excluding = i_excl_alv

CHANGING

it_outtab = git_list_1

it_fieldcatalog = git_fieldcat_1

it_sort = git_sort_1

EXCEPTIONS

invalid_parameter_combination = 1

program_error = 2

too_many_lines = 3

OTHERS = 4.

IF sy-subrc <> 0.

MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno

WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.

ENDIF.

CREATE OBJECT gfd_title_doc_1.

CALL METHOD gfd_title_doc_1->initialize_document.

CALL METHOD gfd_grid_1->list_processing_events

EXPORTING

i_event_name = 'TOP_OF_PAGE'

i_dyndoc_id = gfd_title_doc_1.

CREATE OBJECT gfd_event_receiver_1.

ENDIF.

SET HANDLER:

gfd_event_receiver_1->on_top_of_page_1 FOR gfd_grid_1.

Thank you in advance for your help

Axel

[Former Member]

No ideas at all?

[Former Member]

Hi,

Refer this sample code:

----

---

• CLASS v_lcl_event_receiver DEFINITION

----

---

CLASS lcl_event_receiver DEFINITION.

PUBLIC SECTION.

METHODS:

handle_print_top_of_page FOR EVENT print_top_of_page OF

cl_gui_alv_grid,

handle_top_of_page FOR EVENT top_of_page OF

cl_gui_alv_grid,

ENDCLASS. "o_lcl_event_receiver DEFINITION

data: o_event_receiver TYPE REF TO lcl_event_receiver,

o_html TYPE REF TO cl_dd_document.

----

---

• CLASS LCL_EVENT_RECEIVER IMPLEMENTATION

----

---

CLASS lcl_event_receiver IMPLEMENTATION.

*-- Top of Page

METHOD handle_print_top_of_page.

ENDMETHOD. "handle_print_top_of_page

METHOD handle_top_of_page.

ENDMETHOD. "handle_top_of_page

ENDCLASS. "lcl_event_receiver IMPLEMENTATION

*--Get the containers of the splitter control

o_container_top = o_split->top_left_container.

o_container_bot = o_split->bottom_right_container.

ENDIF.

CREATE OBJECT o_alvgrid

EXPORTING

i_parent = o_container_bot.

*-- Print Top of Page

PERFORM f0041_top_of_page.

FORM f0041_top_of_page.

*

DATA: lws_text TYPE sdydo_text_element.

IF cl_gui_alv_grid=>offline( ) IS INITIAL.

*-- Object for HTML top container

CREATE OBJECT o_html

EXPORTING style = 'ALV_GRID'

background_color = 35.

*-- Top of Page

CALL METHOD o_alvgrid->list_processing_events

EXPORTING

i_event_name = 'TOP_OF_PAGE'

i_dyndoc_id = o_html.

*

*-- Total Record Text

CALL METHOD o_html->add_text

EXPORTING

text = text-049

sap_emphasis = text-051.

*

CALL METHOD o_html->add_gap

EXPORTING

width = 8.

**-- Total record Value

lws_text = cnt_total.

CALL METHOD o_html->add_text

EXPORTING

text = lws_text

sap_emphasis = text-051.

CLEAR lws_text.

CALL METHOD o_html->new_line

EXPORTING

repeat = 1.

*-- Display Report Header

CALL METHOD o_html->display_document

EXPORTING

parent = o_container_top.

ENDIF.

ENDFORM. " f0041_top_of_page

<b>Reward points if it helps,</b>

Satish

[Former Member]

Sorry Satish,

but this is not what I asked for.

What I want to do, is to trigger the event TOP_OF_PAGE and to do something in the event handler. In the event handler there is a break point what is never reached.

What you do is, to implement the event handler but you never use it. Your header is idenpendent from any event and is just a static text printed in a separate container. That has nothing to do with event handling.

The problem is as it was that the PRINT_TOP_OF_PAGE event can be triggert but the TOP_OF_PAGE event is never triggered and this is the question not only in my thread - it is the question in all threads around this subject here in the forum.

Thank you anyhow.

May be that anyone else has an idea what's wrong here. By the way: I wonder why this event exists but is not documented. Is it possible, that this does not work even if I am in a 7.00 system??

Axel

[ivan_ivanov]

Hi,

I realize it is quite late for reply but ...

Try creating the event handler before calling the method set_table_for_first_display. I guess this is the reason for your issue.

Cheers,

Ivan

[Clemenss]

Hi Axel,

statistical the chance to get a useful answer is considerably higher if code is posted as code.

In the [How to post code in SCN.|; thread I did not see the simplest way: Select the pasted code with the mouse and hit the above <_> code button.

Regards,

Clemens