OOP's ALV with top of page

Question

Hi,
Does any one have code or pointers for creating a ALV with top of page using OOPS.
I need to create a top of page with variables like :
Report Name : ZABC
User Name : Z234ASD
Date : System Date
Time : System Time
Transaction : ZXYZ
Thanks
Khan.

Answer 1

The code i used to implement top of page for OO ALV is as below but when you proceed to print out the report, it doesn't print out the header as the list output doesn't show the header.
codeREPORT ZTEST1234_ALV_TOP MESSAGE-ID ZZ .
DATA: G_GRID TYPE REF TO CL_GUI_ALV_GRID.
DATA: L_VALID TYPE C,
V_FLAG,
V_DATA_CHANGE,
V_ROW TYPE LVC_S_ROW,
V_COLUMN TYPE LVC_S_COL,
V_ROW_NUM TYPE LVC_S_ROID.
"The Below Definitions Must.....
DATA:
Reference to document
DG_DYNDOC_ID TYPE REF TO CL_DD_DOCUMENT,
Reference to split container
DG_SPLITTER TYPE REF TO CL_GUI_SPLITTER_CONTAINER,
Reference to grid container
DG_PARENT_GRID TYPE REF TO CL_GUI_CONTAINER,
Reference to html container
DG_HTML_CNTRL TYPE REF TO CL_GUI_HTML_VIEWER,
Reference to html container
DG_PARENT_HTML TYPE REF TO CL_GUI_CONTAINER.
"up to here
CLASS lcl_event_handler DEFINITION
CLASS LCL_EVENT_HANDLER DEFINITION .
PUBLIC SECTION .
METHODS:
**Hot spot Handler
HANDLE_HOTSPOT_CLICK FOR EVENT HOTSPOT_CLICK OF CL_GUI_ALV_GRID
IMPORTING E_ROW_ID E_COLUMN_ID ES_ROW_NO,
**Double Click Handler
HANDLE_DOUBLE_CLICK FOR EVENT DOUBLE_CLICK OF CL_GUI_ALV_GRID
IMPORTING E_ROW E_COLUMN ES_ROW_NO,
TOP_OF_PAGE FOR EVENT TOP_OF_PAGE "event handler
OF CL_GUI_ALV_GRID
IMPORTING E_DYNDOC_ID.
ENDCLASS. "lcl_event_handler DEFINITION
CLASS lcl_event_handler IMPLEMENTATION
CLASS LCL_EVENT_HANDLER IMPLEMENTATION.
*Handle Hotspot Click
METHOD HANDLE_HOTSPOT_CLICK .
CLEAR: V_ROW,V_COLUMN,V_ROW_NUM.
V_ROW = E_ROW_ID.
V_COLUMN = E_COLUMN_ID.
V_ROW_NUM = ES_ROW_NO.
MESSAGE I000 WITH V_ROW 'clicked'.
ENDMETHOD. "lcl_event_handler
*Handle Double Click
METHOD HANDLE_DOUBLE_CLICK.
ENDMETHOD. "handle_double_click
METHOD TOP_OF_PAGE. "implementation
Top-of-page event
PERFORM EVENT_TOP_OF_PAGE USING DG_DYNDOC_ID.
ENDMETHOD. "top_of_page
ENDCLASS. "LCL_EVENT_HANDLER IMPLEMENTATION
*& Global Definitions
DATA: G_CUSTOM_CONTAINER TYPE REF TO CL_GUI_CUSTOM_CONTAINER,"Container1
G_HANDLER TYPE REF TO LCL_EVENT_HANDLER. "handler
DATA: OK_CODE LIKE SY-UCOMM,
SAVE_OK LIKE SY-UCOMM,
G_CONTAINER1 TYPE SCRFNAME VALUE 'TEST',
GS_LAYOUT TYPE LVC_S_LAYO.
Fieldcatalog for First and second Report
DATA: IT_FIELDCAT TYPE LVC_T_FCAT,
X_FIELDCAT TYPE LVC_S_FCAT,
LS_VARI TYPE DISVARIANT.
START-OF_SELECTION
START-OF-SELECTION.
DATA:BEGIN OF ITAB OCCURS 0,
VBELN LIKE LIKP-VBELN,
POSNR LIKE LIPS-POSNR,
CELLCOLOR TYPE LVC_T_SCOL, "required for color
DROP(10),
END OF ITAB.
SELECT VBELN
POSNR
FROM LIPS
UP TO 20 ROWS
INTO CORRESPONDING FIELDS OF TABLE ITAB.
END-OF-SELECTION.
IF NOT ITAB[] IS INITIAL.
CALL SCREEN 100.
ELSE.
MESSAGE I002 WITH 'NO DATA FOR THE SELECTION'(004).
ENDIF.
*& Form CREATE_AND_INIT_ALV
text
FORM CREATE_AND_INIT_ALV .
DATA: LT_EXCLUDE TYPE UI_FUNCTIONS.
"attention.....from here
"split your container here...into two parts
"create the container
CREATE OBJECT G_CUSTOM_CONTAINER
EXPORTING CONTAINER_NAME = G_CONTAINER1.
"this is for top of page
Create TOP-Document
CREATE OBJECT DG_DYNDOC_ID
EXPORTING STYLE = 'ALV_GRID'.
Create Splitter for custom_container
CREATE OBJECT DG_SPLITTER
EXPORTING PARENT = G_CUSTOM_CONTAINER
ROWS = 2
COLUMNS = 1.
Split the custom_container to two containers and move the reference
to receiving containers g_parent_html and g_parent_grid
"i am allocating the space for grid and top of page
CALL METHOD DG_SPLITTER->GET_CONTAINER
EXPORTING
ROW = 1
COLUMN = 1
RECEIVING
CONTAINER = DG_PARENT_HTML.
CALL METHOD DG_SPLITTER->GET_CONTAINER
EXPORTING
ROW = 2
COLUMN = 1
RECEIVING
CONTAINER = DG_PARENT_GRID.
"you can set the height of it
Set height for g_parent_html
CALL METHOD DG_SPLITTER->SET_ROW_HEIGHT
EXPORTING
ID = 1
HEIGHT = 5.
"from here as usual..you need to specify parent as splitter part
"which we alloted for grid
CREATE OBJECT G_GRID
EXPORTING I_PARENT = DG_PARENT_GRID.
Set a titlebar for the grid control
CLEAR GS_LAYOUT.
GS_LAYOUT-GRID_TITLE = TEXT-003.
GS_LAYOUT-ZEBRA = SPACE.
GS_LAYOUT-CWIDTH_OPT = 'X'.
GS_LAYOUT-NO_ROWMARK = 'X'.
GS_LAYOUT-CTAB_FNAME = 'CELLCOLOR'.
CALL METHOD G_GRID->REGISTER_EDIT_EVENT
EXPORTING
I_EVENT_ID = CL_GUI_ALV_GRID=>MC_EVT_ENTER.
CREATE OBJECT G_HANDLER.
SET HANDLER G_HANDLER->HANDLE_DOUBLE_CLICK FOR G_GRID.
SET HANDLER G_HANDLER->HANDLE_HOTSPOT_CLICK FOR G_GRID.
SET HANDLER G_HANDLER->TOP_OF_PAGE FOR G_GRID.
DATA: LS_CELLCOLOR TYPE LVC_S_SCOL. "required for color
DATA: L_INDEX TYPE SY-TABIX.
"Here i am changing the color of line 1,5,10...
"so you can change the color of font conditionally
LOOP AT ITAB.
L_INDEX = SY-TABIX.
IF L_INDEX = 1 OR L_INDEX = 5 OR L_INDEX = 10.
LS_CELLCOLOR-FNAME = 'VBELN'.
LS_CELLCOLOR-COLOR-COL = '6'.
LS_CELLCOLOR-COLOR-INT = '0'.
LS_CELLCOLOR-COLOR-INV = '1'.
APPEND LS_CELLCOLOR TO ITAB-CELLCOLOR.
MODIFY ITAB INDEX L_INDEX TRANSPORTING CELLCOLOR.
LS_CELLCOLOR-FNAME = 'POSNR'.
LS_CELLCOLOR-COLOR-COL = '6'.
LS_CELLCOLOR-COLOR-INT = '0'.
LS_CELLCOLOR-COLOR-INV = '1'.
APPEND LS_CELLCOLOR TO ITAB-CELLCOLOR.
MODIFY ITAB INDEX L_INDEX TRANSPORTING CELLCOLOR.
ENDIF.
ENDLOOP.
setting focus for created grid control
CALL METHOD CL_GUI_CONTROL=>SET_FOCUS
EXPORTING
CONTROL = G_GRID.
Build fieldcat and set editable for date and reason code
edit enabled. Assign a handle for the dropdown listbox.
PERFORM BUILD_FIELDCAT.
PERFORM SET_DRDN_TABLE.
Optionally restrict generic functions to 'change only'.
(The user shall not be able to add new lines).
PERFORM EXCLUDE_TB_FUNCTIONS CHANGING LT_EXCLUDE.
**Vaiant to save the layout
LS_VARI-REPORT = SY-REPID.
LS_VARI-HANDLE = SPACE.
LS_VARI-LOG_GROUP = SPACE.
LS_VARI-USERNAME = SPACE.
LS_VARI-VARIANT = SPACE.
LS_VARI-TEXT = SPACE.
LS_VARI-DEPENDVARS = SPACE.
**Calling the Method for ALV output
CALL METHOD G_GRID->SET_TABLE_FOR_FIRST_DISPLAY
EXPORTING
IT_TOOLBAR_EXCLUDING = LT_EXCLUDE
IS_VARIANT = LS_VARI
IS_LAYOUT = GS_LAYOUT
I_SAVE = 'A'
CHANGING
IT_FIELDCATALOG = IT_FIELDCAT
IT_OUTTAB = ITAB[].
"do these..{
Initializing document
CALL METHOD DG_DYNDOC_ID->INITIALIZE_DOCUMENT.
Processing events
CALL METHOD G_GRID->LIST_PROCESSING_EVENTS
EXPORTING
I_EVENT_NAME = 'TOP_OF_PAGE'
I_DYNDOC_ID = DG_DYNDOC_ID.
"end }
Set editable cells to ready for input initially
CALL METHOD G_GRID->SET_READY_FOR_INPUT
EXPORTING
I_READY_FOR_INPUT = 1.
ENDFORM. "CREATE_AND_INIT_ALV
*& Form EXCLUDE_TB_FUNCTIONS
text
-->PT_EXCLUDE text
FORM EXCLUDE_TB_FUNCTIONS CHANGING PT_EXCLUDE TYPE UI_FUNCTIONS.
Only allow to change data not to create new entries (exclude
generic functions).
DATA LS_EXCLUDE TYPE UI_FUNC.
LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_COPY_ROW.
APPEND LS_EXCLUDE TO PT_EXCLUDE.
LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_DELETE_ROW.
APPEND LS_EXCLUDE TO PT_EXCLUDE.
LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_APPEND_ROW.
APPEND LS_EXCLUDE TO PT_EXCLUDE.
LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_INSERT_ROW.
APPEND LS_EXCLUDE TO PT_EXCLUDE.
LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_MOVE_ROW.
APPEND LS_EXCLUDE TO PT_EXCLUDE.
LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_COPY.
APPEND LS_EXCLUDE TO PT_EXCLUDE.
LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_CUT.
APPEND LS_EXCLUDE TO PT_EXCLUDE.
LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_PASTE.
APPEND LS_EXCLUDE TO PT_EXCLUDE.
LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_PASTE_NEW_ROW.
APPEND LS_EXCLUDE TO PT_EXCLUDE.
LS_EXCLUDE = CL_GUI_ALV_GRID=>MC_FC_LOC_UNDO.
APPEND LS_EXCLUDE TO PT_EXCLUDE.
ENDFORM. " EXCLUDE_TB_FUNCTIONS
*& Form build_fieldcat
Fieldcatalog
FORM BUILD_FIELDCAT .
DATA: L_POS TYPE I.
L_POS = L_POS + 1.
X_FIELDCAT-SCRTEXT_M = 'Delivery'(024).
X_FIELDCAT-FIELDNAME = 'VBELN'.
X_FIELDCAT-TABNAME = 'IT_FINAL'.
X_FIELDCAT-COL_POS = L_POS.
X_FIELDCAT-NO_ZERO = 'X'.
X_FIELDCAT-OUTPUTLEN = '10'.
X_FIELDCAT-HOTSPOT = 'X'.
APPEND X_FIELDCAT TO IT_FIELDCAT.
CLEAR X_FIELDCAT.
L_POS = L_POS + 1.
X_FIELDCAT-SCRTEXT_M = 'Item'(025).
X_FIELDCAT-FIELDNAME = 'POSNR'.
X_FIELDCAT-TABNAME = 'IT_FINAL'.
X_FIELDCAT-COL_POS = L_POS.
X_FIELDCAT-OUTPUTLEN = '5'.
APPEND X_FIELDCAT TO IT_FIELDCAT.
CLEAR X_FIELDCAT.
L_POS = L_POS + 1.
X_FIELDCAT-SCRTEXT_M = 'Drop'(025).
X_FIELDCAT-FIELDNAME = 'DROP'.
X_FIELDCAT-TABNAME = 'IT_FINAL'.
X_FIELDCAT-COL_POS = L_POS.
X_FIELDCAT-OUTPUTLEN = '5'.
X_FIELDCAT-EDIT = 'X'.
X_FIELDCAT-DRDN_HNDL = '1'.
X_FIELDCAT-DRDN_ALIAS = 'X'.
APPEND X_FIELDCAT TO IT_FIELDCAT.
CLEAR X_FIELDCAT.
ENDFORM. " build_fieldcat
*& Module STATUS_0100 OUTPUT
text
MODULE STATUS_0100 OUTPUT.
SET PF-STATUS 'MAIN100'.
SET TITLEBAR 'MAIN100'.
IF G_CUSTOM_CONTAINER IS INITIAL.
**Initializing the grid and calling the fm to Display the O/P
PERFORM CREATE_AND_INIT_ALV.
ENDIF.
ENDMODULE. " STATUS_0100 OUTPUT
*& Module USER_COMMAND_0100 INPUT
text
MODULE USER_COMMAND_0100 INPUT.
CASE SY-UCOMM.
WHEN 'BACK'.
LEAVE TO SCREEN 0.
ENDCASE.
ENDMODULE. " USER_COMMAND_0100 INPUT
*& Form SET_DRDN_TABLE
text
FORM SET_DRDN_TABLE.
DATA:LT_DRAL TYPE LVC_T_DRAL,
LS_DRAL TYPE LVC_S_DRAL.
LOOP AT ITAB .
First listbox (handle '1').
IF SY-INDEX = 1.
LS_DRAL-HANDLE = '1'.
LS_DRAL-VALUE = ' '.
LS_DRAL-INT_VALUE = ' '.
ELSE.
LS_DRAL-HANDLE = '1'.
LS_DRAL-VALUE = ITAB-POSNR.
LS_DRAL-INT_VALUE = ITAB-POSNR.
ENDIF.
APPEND LS_DRAL TO LT_DRAL.
ENDLOOP.
**Setting the Drop down table for Reason Code
CALL METHOD G_GRID->SET_DROP_DOWN_TABLE
EXPORTING
IT_DROP_DOWN_ALIAS = LT_DRAL.
ENDFORM. " set_drdn_table
*& Form EVENT_TOP_OF_PAGE
text
-->DG_DYNDOC_ID text
FORM EVENT_TOP_OF_PAGE USING DG_DYNDOC_ID TYPE REF TO CL_DD_DOCUMENT.
"this is more clear.....check it
"first add text, then pass it to comentry write fm
DATA : DL_TEXT(255) TYPE C. "Text
Populating header to top-of-page
CALL METHOD DG_DYNDOC_ID->ADD_TEXT
EXPORTING
TEXT = 'Test Report'
SAP_STYLE = CL_DD_AREA=>HEADING.
Add new-line
CALL METHOD DG_DYNDOC_ID->NEW_LINE.
CLEAR : DL_TEXT.
Move program ID
CONCATENATE 'Program Name :' SY-REPID
INTO DL_TEXT SEPARATED BY SPACE.
Add Program Name to Document
PERFORM ADD_TEXT USING DL_TEXT.
Add new-line
CALL METHOD DG_DYNDOC_ID->NEW_LINE.
CLEAR : DL_TEXT.
Move User ID
CONCATENATE 'User ID :' SY-UNAME INTO DL_TEXT SEPARATED BY SPACE
Add User ID to Document
PERFORM ADD_TEXT USING DL_TEXT.
Add new-line
CALL METHOD DG_DYNDOC_ID->NEW_LINE.
CLEAR : DL_TEXT.
Move Client
CONCATENATE 'Client :' SY-MANDT INTO DL_TEXT SEPARATED BY SPACE.
Add Client to Document
PERFORM ADD_TEXT USING DL_TEXT.
Add new-line
CALL METHOD DG_DYNDOC_ID->NEW_LINE.
CLEAR : DL_TEXT.
Move date
WRITE SY-DATUM TO DL_TEXT.
CONCATENATE 'Date :' DL_TEXT INTO DL_TEXT SEPARATED BY SPACE.
Add Date to Document
PERFORM ADD_TEXT USING DL_TEXT.
Add new-line
CALL METHOD DG_DYNDOC_ID->NEW_LINE.
CLEAR : DL_TEXT.
Move time
WRITE SY-UZEIT TO DL_TEXT.
CONCATENATE 'Time :' DL_TEXT INTO DL_TEXT SEPARATED BY SPACE.
Add Time to Document
PERFORM ADD_TEXT USING DL_TEXT.
Add new-line
CALL METHOD DG_DYNDOC_ID->NEW_LINE.
Populating data to html control
PERFORM HTML.
ENDFORM. " EVENT_TOP_OF_PAGE
*& Form ADD_TEXT
To add Text
FORM ADD_TEXT USING P_TEXT TYPE SDYDO_TEXT_ELEMENT.
Adding text
CALL METHOD DG_DYNDOC_ID->ADD_TEXT
EXPORTING
TEXT = P_TEXT
SAP_EMPHASIS = CL_DD_AREA=>HEADING.
ENDFORM. " ADD_TEXT
*& Form HTML
text
FORM HTML.
DATA : DL_LENGTH TYPE I, " Length
DL_BACKGROUND_ID TYPE SDYDO_KEY VALUE SPACE. " Background_id
Creating html control
IF DG_HTML_CNTRL IS INITIAL.
CREATE OBJECT DG_HTML_CNTRL
EXPORTING
PARENT = DG_PARENT_HTML.
ENDIF.
Reuse_alv_grid_commentary_set
CALL FUNCTION 'REUSE_ALV_GRID_COMMENTARY_SET'
EXPORTING
DOCUMENT = DG_DYNDOC_ID
BOTTOM = SPACE
IMPORTING
LENGTH = DL_LENGTH.
Get TOP->HTML_TABLE ready
CALL METHOD DG_DYNDOC_ID->MERGE_DOCUMENT.
Set wallpaper
CALL METHOD DG_DYNDOC_ID->SET_DOCUMENT_BACKGROUND
EXPORTING
PICTURE_ID = DL_BACKGROUND_ID.
Connect TOP document to HTML-Control
DG_DYNDOC_ID->HTML_CONTROL = DG_HTML_CNTRL.
Display TOP document
CALL METHOD DG_DYNDOC_ID->DISPLAY_DOCUMENT
EXPORTING
REUSE_CONTROL = 'X'
PARENT = DG_PARENT_HTML
EXCEPTIONS
HTML_DISPLAY_ERROR = 1.
IF SY-SUBRC NE 0.
MESSAGE I999 WITH 'Error in displaying top-of-page'(036).
ENDIF.
ENDFORM. " HTML
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