..3 Printing program
Create a report Z_GANTTCHART and paste below code into it:
REPORT z_ganttchart .
* declare the context
DATA gs_context TYPE zcontext_ganttchart .
* fill the context
PERFORM fill_context .
* call the form
CALL FUNCTION 'ZXLWB_CALLFORM'
EXPORTING
iv_formname = 'GANTTCHART'
iv_context_ref = gs_context
EXCEPTIONS
process_terminated = 1
OTHERS = 2.
IF sy-subrc NE 0 .
MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4 .
ENDIF .
*&---------------------------------------------------------------------*
*& Form fill_context
*&---------------------------------------------------------------------*
FORM fill_context .
TYPE-POOLS:
abap .
DATA:
lv_month TYPE i ,
lv_week TYPE char1 ,
lv_day TYPE numc2 ,
lv_day_c TYPE char1 ,
lv_day_text TYPE rnpb2-day_txt ,
lv_days TYPE i ,
lv_date TYPE dats ,
ls_par TYPE t009b ,
lv_index TYPE syindex .
FIELD-SYMBOLS:
<week> TYPE zcontext_ganttchart_week_s ,
<head_day> TYPE zcontext_ganttchart_head_day_s ,
<task_day> TYPE zcontext_ganttchart_task_day_s ,
<task> TYPE zcontext_ganttchart_task_s ,
<phase> TYPE zcontext_ganttchart_phase_s .
* get random month
CALL FUNCTION 'BKK_RANDOM'
EXPORTING
i_modulo = 12
IMPORTING
e_random_number = lv_month.
* determine number days of the month
ls_par-bumon = lv_month .
ls_par-bdatj = sy-datum(4) .
CALL FUNCTION 'NUMBER_OF_DAYS_PER_MONTH_GET'
EXPORTING
par_month = ls_par-bumon
par_year = ls_par-bdatj
IMPORTING
par_days = ls_par-butag.
lv_days = ls_par-butag .
* determine name of the month
SELECT SINGLE ltx
INTO gs_context-header-month_text
FROM t247
WHERE spras EQ sy-langu
AND mnr EQ lv_month .
CONCATENATE gs_context-header-month_text sy-datum(4)
INTO gs_context-header-month_text SEPARATED BY space .
*======================================================================
* header
*======================================================================
DO lv_days TIMES .
lv_day = sy-index .
CONCATENATE ls_par-bdatj ls_par-bumon lv_day INTO lv_date .
CALL FUNCTION 'ISH_GET_DAY_OF_WEEK'
EXPORTING
date = lv_date
IMPORTING
day = lv_day_c
day_txt = lv_day_text.
IF lv_day_c EQ 1
OR gs_context-header-weeks[] IS INITIAL .
APPEND INITIAL LINE TO gs_context-header-weeks
ASSIGNING <week> .
ADD 1 TO lv_week .
CONCATENATE 'Week' lv_week
INTO <week>-week_text SEPARATED BY space .
ENDIF .
APPEND INITIAL LINE TO <week>-days
ASSIGNING <head_day> .
<head_day>-day_text = lv_day_text .
<head_day>-day_number = lv_day .
ENDDO .
*======================================================================
* positions
*======================================================================
DO 9 TIMES .
lv_index = sy-index .
* new phase
CASE lv_index .
WHEN 1 .
APPEND INITIAL LINE TO gs_context-phases ASSIGNING <phase> .
<phase>-phase_text = 'Conceptuel design' .
WHEN 4 .
APPEND INITIAL LINE TO gs_context-phases ASSIGNING <phase> .
<phase>-phase_text = 'Prototype' .
WHEN 7 .
APPEND INITIAL LINE TO gs_context-phases ASSIGNING <phase> .
<phase>-phase_text = 'Testing' .
ENDCASE .
* new task
APPEND INITIAL LINE TO <phase>-tasks ASSIGNING <task> .
CASE lv_index .
WHEN 1 . <task>-task_name = 'Brainstorming' .
WHEN 2 . <task>-task_name = 'Gathering information' .
WHEN 3 . <task>-task_name = 'Concept selection' .
WHEN 4 . <task>-task_name = 'Programming' .
WHEN 5 . <task>-task_name = 'Assemble & testing' .
WHEN 6 . <task>-task_name = 'Final prototype' .
WHEN 7 . <task>-task_name = 'User testing' .
WHEN 8 . <task>-task_name = 'Modify & beta test' .
WHEN 9 . <task>-task_name = 'Quality assurance' .
ENDCASE .
* days
DO lv_days TIMES .
lv_day = sy-index .
APPEND INITIAL LINE TO <task>-days ASSIGNING <task_day> .
<task_day>-filled = abap_off .
<task_day>-empty = abap_on .
CASE lv_index .
WHEN 1 . CHECK lv_day EQ 1 .
WHEN 2 . CHECK lv_day BETWEEN 2 AND 3 .
WHEN 3 . CHECK lv_day EQ 4 .
WHEN 4 . CHECK lv_day BETWEEN 5 AND 16 .
WHEN 5 . CHECK lv_day BETWEEN 17 AND 19 .
WHEN 6 . CHECK lv_day BETWEEN 20 AND 22 .
WHEN 7 . CHECK lv_day BETWEEN 23 AND 24 .
WHEN 8 . CHECK lv_day BETWEEN 25 AND 27 .
WHEN OTHERS . CHECK lv_day GE 28 .
ENDCASE .
ADD 1 TO <task>-duration . CONDENSE <task>-duration NO-GAPS .
<task_day>-filled = abap_on .
<task_day>-empty = abap_off .
ENDDO .
ENDDO .
ENDFORM . "fill_context
Result of the printing program execution:
