Splash Screen in ABAP using OO ABAP Interview Questions

SAP being a serious Businesss Software you cannot have too many
JPGs floating around! One or two is fun.

In Function group uou need two screens 0806 & 2009 which are
essentially blank.

I put 2 title Bars - 0806 "SAP - JOB in Progress"; 2009 - "SAP - JOB
OVER!!"

Code listing for function: ZJNC_START_SPLASH
Description: Show Splash at Start
--------------------------------------------------------------------------------

FUNCTION zjnc_start_splash.
*"----------------------------------------------------------------------
*"*"Local interface:
*"  IMPORTING
*"     REFERENCE(IMAGEFILE) TYPE  C DEFAULT 'THANKS.JPG'
*"     REFERENCE(WIDTH) TYPE  I DEFAULT 415
*"     REFERENCE(HEIGHT) TYPE  I DEFAULT 274
*"     REFERENCE(TIMEOUT) TYPE  I DEFAULT 3
*"     REFERENCE(CALLBACK) TYPE  C
*"----------------------------------------------------------------------

*       Global data declarations
MOVE imagefile TO g_name.
MOVE width TO picwidth.
MOVE height TO picheight.
MOVE timeout TO pictimeout.
MOVE callback TO piccallback.
TRANSLATE piccallback TO UPPER CASE.

PERFORM getpicurl.

CALL SCREEN 0806.

ENDFUNCTION.


Code listing for function: ZJNC_END_SPLASH
Description: Show Splash at End
--------------------------------------------------------------------------------

FUNCTION ZJNC_END_SPLASH.
*"----------------------------------------------------------------------
*"*"Local interface:
*"  IMPORTING
*"     REFERENCE(IMAGEFILE) TYPE  C DEFAULT 'THANKS.JPG'
*"     REFERENCE(WIDTH) TYPE  I DEFAULT 415
*"     REFERENCE(HEIGHT) TYPE  I DEFAULT 274
*"     REFERENCE(TIMEOUT) TYPE  I DEFAULT 3
*"----------------------------------------------------------------------

*       Global data declarations
MOVE imagefile TO g_name.
MOVE width TO picwidth.
MOVE height TO picheight.
MOVE timeout TO pictimeout.

PERFORM getpicurl.

CALL SCREEN 2009.

ENDFUNCTION.


Code listing for: LZUTILTOP

* TOP level Include of Function Group ZUTIL

*  Author Jayanta Narayan Choudhuri
*         Flat 302
*         395 Jodhpur Park
*         Kolkata 700 068
*       Email sss@cal.vsnl.net.in
*       URL:  http://www.geocities.com/ojnc

FUNCTION-POOL zutil.                        "MESSAGE-ID ..

TYPE-POOLS: abap.

DATA: graphic_url(255),
   g_result   TYPE i,
   g_linesz   TYPE i,
   g_filesz   TYPE i,
   g_name(100).

TYPES: t_graphic_line(256) TYPE x.

DATA: graphic_line TYPE t_graphic_line,
   graphic_table TYPE TABLE OF t_graphic_line.

DATA: picwidth        TYPE i,
   picheight       TYPE i,
   pictimeout      TYPE i,
   piccallback(60) TYPE c,
   first           TYPE boolean.


*---------------------------------------------------------------------*
*       CLASS ZCL_ES_SPLASH_SCREEN  DEFINITION
*---------------------------------------------------------------------*
CLASS zcl_es_splash_screen DEFINITION.

PUBLIC SECTION.
 EVENTS on_close.

 METHODS constructor
   IMPORTING
     !i_num_secs  TYPE i DEFAULT 5
     !i_url       TYPE c
     !i_width     TYPE i
     !i_height    TYPE i.

PROTECTED SECTION.

 METHODS handle_end_of_timer
   FOR EVENT finished OF cl_gui_timer.
PRIVATE SECTION.

 DATA container TYPE REF TO cl_gui_dialogbox_container.
 DATA image     TYPE REF TO cl_gui_picture.
 DATA timer     TYPE REF TO cl_gui_timer.

ENDCLASS.                    "ZCL_ES_SPLASH_SCREEN  DEFINITION

*---------------------------------------------------------------------*
* CLASS ZCL_ES_SPLASH_SCREEN IMPLEMENTATION
*---------------------------------------------------------------------*
CLASS zcl_es_splash_screen IMPLEMENTATION.
METHOD constructor.

 DATA: image_width     TYPE i,
       image_height    TYPE i.

 COMPUTE image_width  = i_width + 30.
 COMPUTE image_height = i_height + 50.

 CREATE OBJECT container
    EXPORTING
      width                       = 10
      height                      = 10
      top                         = 10
      left                        = 10
      name                        = 'DialogSplash'.


 CALL METHOD container->set_caption
   EXPORTING
     caption = g_name.

 CREATE OBJECT image
   EXPORTING
     parent = container.

 CALL METHOD image->load_picture_from_url
   EXPORTING
     url = i_url.

 image->set_display_mode( image->display_mode_normal_center ).

 cl_gui_cfw=>flush( ).

 container->set_metric( EXPORTING metric = image->metric_pixel ).

 DATA: myleft TYPE i,
       mytop  TYPE i.

 COMPUTE myleft = ( 800 - image_width ) / 2.
 COMPUTE mytop  = ( 600 - image_height ) / 2.

 IF myleft < 0.
   MOVE 0 TO myleft.  
   ENDIF.  
IF mytop < 0.    
   MOVE 0 TO mytop.
   ENDIF.   
container->set_position(
   EXPORTING
     height            = image_height
     left              = myleft
     top               = mytop
     width             = image_width ).

 cl_gui_cfw=>update_view( ).

 CREATE OBJECT timer.
 timer->interval = i_num_secs.

 SET HANDLER me->handle_end_of_timer FOR timer.
 timer->run( ).
 cl_gui_cfw=>flush( ).

ENDMETHOD.                    "constructor

METHOD handle_end_of_timer.

* I wanted NAMASTE to remain until JOB was complete.
*    IF container IS NOT INITIAL.
*      container->free( ).
*      CLEAR container.
*      FREE  container.
*    ENDIF.
*
*    IF timer IS NOT INITIAL.
*      timer->free( ).
*      CLEAR timer.
*      FREE  timer.
*    ENDIF.
*
*    cl_gui_cfw=>flush( ).

 RAISE EVENT on_close.

ENDMETHOD.                    "handle_end_of_timer
ENDCLASS.                    "ZCL_ES_SPLASH_SCREEN  IMPLEMENTATION

*---------------------------------------------------------------------*
*       CLASS lcl_event_handler DEFINITION
*---------------------------------------------------------------------*
CLASS lcl_event_handler DEFINITION.

PUBLIC SECTION.
 CLASS-METHODS: on_close FOR EVENT on_close OF zcl_es_splash_screen.
ENDCLASS. "lcl_event_handler DEFINITION

*---------------------------------------------------------------------*
* CLASS lcl_event_handler IMPLEMENTATION
*---------------------------------------------------------------------*
CLASS lcl_event_handler IMPLEMENTATION.
METHOD on_close.
 IF sy-dynnr = 2009.
   LEAVE PROGRAM.
 ELSE.
   MOVE abap_false TO first.
   PERFORM (piccallback) IN PROGRAM (sy-cprog).
 ENDIF.
ENDMETHOD. "on_close
ENDCLASS. "lcl_event_handler IMPLEMENTATION

DATA: splash TYPE REF TO zcl_es_splash_screen.

*&---------------------------------------------------------------------*
*&      Module  STATUS_0806  OUTPUT
*&---------------------------------------------------------------------*
MODULE status_0806 OUTPUT.
IF first IS INITIAL.
 first = abap_true.

 SET TITLEBAR 'TITLE0806'.

 CREATE OBJECT splash
     EXPORTING
       i_num_secs = pictimeout
       i_url      = graphic_url
       i_width    = picwidth
       i_height   = picheight.

 SET HANDLER lcl_event_handler=>on_close FOR splash.

ENDIF.
ENDMODULE.                " STATUS_0806  OUTPUT

*&---------------------------------------------------------------------*
*&      Module  STATUS_2009  OUTPUT
*&---------------------------------------------------------------------*
MODULE status_2009 OUTPUT.
IF first IS INITIAL.
 first = abap_true.

 SET TITLEBAR 'TITLE2009'.

 CREATE OBJECT splash
     EXPORTING
       i_num_secs = pictimeout
       i_url      = graphic_url
       i_width    = picwidth
       i_height   = picheight.

 SET HANDLER lcl_event_handler=>on_close FOR splash.

ENDIF.
ENDMODULE.                " STATUS_2009  OUTPUT

*&---------------------------------------------------------------------*
*&      Form  getpicurl
*&---------------------------------------------------------------------*
FORM getpicurl.

OPEN DATASET g_name FOR INPUT IN BINARY MODE.

REFRESH graphic_table.
CLEAR   g_filesz.

DO.
 CLEAR graphic_line.
 READ DATASET g_name INTO graphic_line ACTUAL LENGTH g_linesz.

 ADD g_linesz TO g_filesz.

 APPEND graphic_line TO graphic_table.
 IF sy-subrc <> 0.
   EXIT.
 ENDIF.

ENDDO.

CLOSE DATASET g_name.

CLEAR graphic_url.

CALL FUNCTION 'DP_CREATE_URL'
 EXPORTING
   type                 = 'IMAGE'
   subtype              = 'GIF'
 TABLES
   data                 = graphic_table
 CHANGING
   url                  = graphic_url
 EXCEPTIONS
   dp_invalid_parameter = 1
   dp_error_put_table   = 2
   dp_error_general     = 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.
 EXIT.
ENDIF.

ENDFORM.                    "getpicurl