ALV checkbox实例
PROGRAM BCALV_EDIT_05.
CLASS LCL_EVENT_RECEIVER DEFINITION DEFERRED. "for event handling
DATA: OK_CODE LIKE SY-UCOMM,
SAVE_OK LIKE SY-UCOMM,
G_CONTAINER TYPE SCRFNAME VALUE 'BCALV_GRID_DEMO_0100_CONT1',
G_GRID TYPE REF TO CL_GUI_ALV_GRID,
G_CUSTOM_CONTAINER TYPE REF TO CL_GUI_CUSTOM_CONTAINER,
G_EVENT_RECEIVER TYPE REF TO LCL_EVENT_RECEIVER,
GT_FIELDCAT TYPE LVC_T_FCAT,
GS_LAYOUT TYPE LVC_S_LAYO,
G_MAX TYPE I VALUE 100.
TYPES: BEGIN OF GS_OUTTAB.
TYPES: CHECKBOX TYPE C. "field for checkbox
TYPES: CELLTAB TYPE LVC_T_STYL. "field to switch editability
INCLUDE STRUCTURE SFLIGHT.
TYPES: END OF GS_OUTTAB.
DATA: GT_OUTTAB TYPE GS_OUTTAB OCCURS 0 WITH HEADER LINE.
***********************************************************************
* LOCAL CLASSES
***********************************************************************
*
* This local class only handles event DOUBLE_CLICK.
* WHen the user double clicks on a checkbox cell the status of
* this cell is switched from editable to not editable and vice versa.
*
CLASS LCL_EVENT_RECEIVER DEFINITION.
PUBLIC SECTION.
METHODS: CATCH_DOUBLECLICK
FOR EVENT DOUBLE_CLICK OF CL_GUI_ALV_GRID
IMPORTING
E_COLUMN
ES_ROW_NO
SENDER.
ENDCLASS.
CLASS LCL_EVENT_RECEIVER IMPLEMENTATION.
METHOD CATCH_DOUBLECLICK.
DATA: LS_OUTTAB TYPE GS_OUTTAB,
LS_CELLTAB TYPE LVC_S_STYL.
*--
* Function:
* Switch between 'editable' and 'not editable' checkbox.
*--
* If the user clicked on another column there is
* nothing to do.
IF E_COLUMN-FIELDNAME NE 'CHECKBOX'.
EXIT.
ENDIF.
READ TABLE GT_OUTTAB INTO LS_OUTTAB INDEX ES_ROW_NO-ROW_ID.
* The loop is only needed if there are other columns that
* use checkboxes. At this point the loop could be
* replaced by a READ of the first line of CELLTAB.
LOOP AT LS_OUTTAB-CELLTAB INTO LS_CELLTAB.
IF LS_CELLTAB-FIELDNAME EQ 'CHECKBOX'.
* §B4.Switch the style to dis- or enable a cell for input
IF LS_CELLTAB-STYLE = CL_GUI_ALV_GRID=>MC_STYLE_ENABLED.
LS_CELLTAB-STYLE = CL_GUI_ALV_GRID=>MC_STYLE_DISABLED.
ELSE.
LS_CELLTAB-STYLE = CL_GUI_ALV_GRID=>MC_STYLE_ENABLED.
ENDIF.
MODIFY LS_OUTTAB-CELLTAB FROM LS_CELLTAB.
ENDIF.
ENDLOOP.
MODIFY GT_OUTTAB FROM LS_OUTTAB INDEX ES_ROW_NO-ROW_ID.
CALL METHOD SENDER->REFRESH_TABLE_DISPLAY.
ENDMETHOD.
ENDCLASS.
*
********************************************************************
*---------------------------------------------------------------------*
* MAIN *
*---------------------------------------------------------------------*
END-OF-SELECTION.
CALL SCREEN 100.
*---------------------------------------------------------------------*
* MODULE PBO OUTPUT *
*---------------------------------------------------------------------*
MODULE PBO OUTPUT.
SET PF-STATUS 'MAIN100'.
SET TITLEBAR 'MAIN100'.
IF G_CUSTOM_CONTAINER IS INITIAL.
PERFORM CREATE_AND_INIT_ALV.
ENDIF.
ENDMODULE.
*---------------------------------------------------------------------*
* MODULE PAI INPUT *
*---------------------------------------------------------------------*
MODULE PAI INPUT.
SAVE_OK = OK_CODE.
CLEAR OK_CODE.
CASE SAVE_OK.
WHEN 'EXIT'.
PERFORM EXIT_PROGRAM.
WHEN 'SELECT'.
PERFORM SELECT_ALL_ENTRIES CHANGING GT_OUTTAB[].
WHEN 'DESELECT'.
PERFORM DESELECT_ALL_ENTRIES CHANGING GT_OUTTAB[].
WHEN 'RESET'.
PERFORM RESET_SELECTED_ENTRIES CHANGING GT_OUTTAB[].
WHEN 'SWITCH'.
PERFORM SWITCH_ACTIVATION CHANGING GT_OUTTAB[].
ENDCASE.
ENDMODULE.
*&---------------------------------------------------------------------*
*& Form CREATE_AND_INIT_ALV
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* <--P_GT_OUTTAB text
* <--P_GT_FIELDCAT text
* <--P_GS_LAYOUT text
*----------------------------------------------------------------------*
FORM CREATE_AND_INIT_ALV.
DATA: LT_EXCLUDE TYPE UI_FUNCTIONS.
CREATE OBJECT G_CUSTOM_CONTAINER
EXPORTING CONTAINER_NAME = G_CONTAINER.
CREATE OBJECT G_GRID
EXPORTING I_PARENT = G_CUSTOM_CONTAINER.
PERFORM BUILD_FIELDCAT CHANGING GT_FIELDCAT.
* Exclude all edit functions in this example since we do not need them:
PERFORM EXCLUDE_TB_FUNCTIONS CHANGING LT_EXCLUDE.
PERFORM BUILD_DATA.
*§ B3.Use the layout structure to aquaint additional field to ALV.
GS_LAYOUT-STYLEFNAME = 'CELLTAB'.
CALL METHOD G_GRID->SET_TABLE_FOR_FIRST_DISPLAY
EXPORTING IS_LAYOUT = GS_LAYOUT
IT_TOOLBAR_EXCLUDING = LT_EXCLUDE
CHANGING IT_FIELDCATALOG = GT_FIELDCAT
IT_OUTTAB = GT_OUTTAB[].
CREATE OBJECT G_EVENT_RECEIVER.
SET HANDLER G_EVENT_RECEIVER->CATCH_DOUBLECLICK FOR G_GRID.
* 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 BUILD_FIELDCAT
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* <--P_GT_FIELDCAT text
*----------------------------------------------------------------------*
FORM BUILD_FIELDCAT CHANGING PT_FIELDCAT TYPE LVC_T_FCAT.
DATA LS_FCAT TYPE LVC_S_FCAT.
CALL FUNCTION 'LVC_FIELDCATALOG_MERGE'
EXPORTING
I_STRUCTURE_NAME = 'SFLIGHT'
CHANGING
CT_FIELDCAT = PT_FIELDCAT.
*§A2.Add an entry for the checkbox in the fieldcatalog
CLEAR LS_FCAT.
LS_FCAT-FIELDNAME = 'CHECKBOX'.
* Essential: declare field as checkbox and
* mark it as editable field:
LS_FCAT-CHECKBOX = 'X'.
LS_FCAT-EDIT = 'X'.
* do not forget to provide texts for this extra field
LS_FCAT-COLTEXT = TEXT-F01.
LS_FCAT-TOOLTIP = TEXT-F02.
LS_FCAT-SELTEXT = TEXT-F03.
* optional: set column width
LS_FCAT-OUTPUTLEN = 10.
*
APPEND LS_FCAT TO PT_FIELDCAT.
ENDFORM.
*&---------------------------------------------------------------------*
*& Form EXCLUDE_TB_FUNCTIONS
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* <--P_LT_EXCLUDE text
*----------------------------------------------------------------------*
FORM EXCLUDE_TB_FUNCTIONS CHANGING PT_EXCLUDE TYPE UI_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_data
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM BUILD_DATA.
DATA: LT_SFLIGHT TYPE TABLE OF SFLIGHT,
LS_SFLIGHT TYPE SFLIGHT,
LS_CELLTAB TYPE LVC_S_STYL,
LT_CELLTAB TYPE LVC_T_STYL,
L_INDEX TYPE I.
SELECT * FROM SFLIGHT INTO TABLE LT_SFLIGHT UP TO G_MAX ROWS.
IF SY-SUBRC NE 0.
* generate own entries if db-table is empty so that this example
* still works
PERFORM GENERATE_ENTRIES CHANGING LT_SFLIGHT.
ENDIF.
*§A3.Optionally, check checkboxes initially after selecting data.
* (Omitted in this example)
LOOP AT LT_SFLIGHT INTO LS_SFLIGHT.
MOVE-CORRESPONDING LS_SFLIGHT TO GT_OUTTAB.
* if gt_outtab-connid eq '400'.
* gt_outtab-checkbox = 'X'.
* endif.
APPEND GT_OUTTAB.
ENDLOOP.
* §B2.After selecting data,
* assign a style for each row of your checkbox column.
*
* Initially, set all checkbox cells editable.
LS_CELLTAB-FIELDNAME = 'CHECKBOX'.
LS_CELLTAB-STYLE = CL_GUI_ALV_GRID=>MC_STYLE_ENABLED.
LOOP AT GT_OUTTAB.
L_INDEX = SY-TABIX.
REFRESH LT_CELLTAB.
LS_CELLTAB-FIELDNAME = 'CHECKBOX'.
LS_CELLTAB-STYLE = CL_GUI_ALV_GRID=>MC_STYLE_ENABLED.
INSERT LS_CELLTAB INTO TABLE LT_CELLTAB.
INSERT LINES OF LT_CELLTAB INTO TABLE GT_OUTTAB-CELLTAB.
MODIFY GT_OUTTAB INDEX L_INDEX.
ENDLOOP.
ENDFORM. " build_data
*---------------------------------------------------------------------*
* FORM EXIT_PROGRAM *
*---------------------------------------------------------------------*
FORM EXIT_PROGRAM.
LEAVE PROGRAM.
ENDFORM.
*&---------------------------------------------------------------------*
*& Form generate_entries
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* <--P_LT_SLFIGHT text
*----------------------------------------------------------------------*
FORM GENERATE_ENTRIES CHANGING PT_SLFIGHT TYPE STANDARD TABLE.
*
* This form is only needed for the case that there is no
* data in database table SFLIGHT.
*
DATA: LS_SFLIGHT TYPE SFLIGHT,
L_MONTH(2) TYPE C,
L_DAY(2) TYPE C,
L_DATE(8) TYPE C.
LS_SFLIGHT-CARRID = 'LH'.
LS_SFLIGHT-CONNID = '0400'.
LS_SFLIGHT-CURRENCY = 'DEM'.
LS_SFLIGHT-PLANETYPE = '747-400'.
LS_SFLIGHT-SEATSMAX = 660.
DO 110 TIMES.
LS_SFLIGHT-PRICE = SY-INDEX * 100.
LS_SFLIGHT-SEATSOCC = 660 - SY-INDEX * 6.
LS_SFLIGHT-PAYMENTSUM = LS_SFLIGHT-SEATSOCC * LS_SFLIGHT-PRICE.
L_MONTH = SY-INDEX / 10 + 1.
DO 2 TIMES.
L_DAY = L_MONTH + SY-INDEX * 2.
L_DATE+0(4) = '2000'.
L_DATE+4(2) = L_MONTH+0(2).
L_DATE+6(2) = L_DAY+0(2).
LS_SFLIGHT-FLDATE = L_DATE.
APPEND LS_SFLIGHT TO PT_SLFIGHT.
ENDDO.
ENDDO.
ENDFORM. " generate_entries
*&---------------------------------------------------------------------*
*& Form select_all_entries
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* <--P_GT_OUTTAB text
*----------------------------------------------------------------------*
FORM SELECT_ALL_ENTRIES CHANGING PT_OUTTAB TYPE STANDARD TABLE.
DATA: LS_OUTTAB TYPE GS_OUTTAB.
DATA: L_VALID TYPE C,
L_LOCKED TYPE C.
*§A4ad. Before you (a)set, reset or (d)evaluate checkboxes,
* you must check the input cells.
*
* If all entries are ok, ALV transferes new values to the output
* table which you then can modify.
CALL METHOD G_GRID->CHECK_CHANGED_DATA
IMPORTING
E_VALID = L_VALID.
IF L_VALID EQ 'X'.
LOOP AT PT_OUTTAB INTO LS_OUTTAB.
PERFORM CHECK_LOCK USING LS_OUTTAB
CHANGING L_LOCKED.
IF L_LOCKED IS INITIAL
AND NOT LS_OUTTAB-CHECKBOX EQ '-'.
LS_OUTTAB-CHECKBOX = 'X'.
ENDIF.
MODIFY PT_OUTTAB FROM LS_OUTTAB.
ENDLOOP.
CALL METHOD G_GRID->REFRESH_TABLE_DISPLAY.
ENDIF.
ENDFORM. " select_all_entries
*&---------------------------------------------------------------------*
*& Form deselect_all_entries
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* <--P_GT_OUTTAB[] text
*----------------------------------------------------------------------*
FORM DESELECT_ALL_ENTRIES CHANGING PT_OUTTAB TYPE STANDARD TABLE.
DATA: LS_OUTTAB TYPE GS_OUTTAB.
DATA: L_VALID TYPE C,
L_LOCKED TYPE C.
*§A4ad. Before you (a)set, reset or (d)evaluate checkboxes,
* you must check the input cells.
*
* If all entries are ok, ALV transferes new values to the output
* table which you then can modify.
CALL METHOD G_GRID->CHECK_CHANGED_DATA
IMPORTING
E_VALID = L_VALID.
IF L_VALID EQ 'X'.
LOOP AT PT_OUTTAB INTO LS_OUTTAB.
PERFORM CHECK_LOCK USING LS_OUTTAB
CHANGING L_LOCKED.
IF L_LOCKED IS INITIAL
AND NOT LS_OUTTAB-CHECKBOX EQ '-'.
LS_OUTTAB-CHECKBOX = ' '.
ENDIF.
MODIFY PT_OUTTAB FROM LS_OUTTAB.
ENDLOOP.
CALL METHOD G_GRID->REFRESH_TABLE_DISPLAY.
ENDIF.
ENDFORM. " deselect_all_entries
*&---------------------------------------------------------------------*
*& Form reset_selected_entries
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* <--P_GT_OUTTAB[] text
*----------------------------------------------------------------------*
FORM RESET_SELECTED_ENTRIES CHANGING PT_OUTTAB TYPE STANDARD TABLE.
DATA: LS_OUTTAB TYPE GS_OUTTAB.
DATA: L_VALID TYPE C.
*§A4b. Before you set, (b)reset or evaluate checkboxes,
* you must check the input cells.
*
* If all entries are ok, ALV transferes new values to the output
* table which you then can modify.
CALL METHOD G_GRID->CHECK_CHANGED_DATA
IMPORTING
E_VALID = L_VALID.
IF L_VALID EQ 'X'.
LOOP AT PT_OUTTAB INTO LS_OUTTAB.
IF NOT LS_OUTTAB-CHECKBOX IS INITIAL
AND NOT LS_OUTTAB-CHECKBOX EQ '-'.
CLEAR LS_OUTTAB.
MODIFY PT_OUTTAB FROM LS_OUTTAB.
ENDIF.
ENDLOOP.
CALL METHOD G_GRID->REFRESH_TABLE_DISPLAY.
ENDIF.
ENDFORM. " reset_selected_entries
*-----------------------------
FORM SWITCH_ACTIVATION CHANGING PT_OUTTAB TYPE STANDARD TABLE.
DATA: LS_OUTTAB TYPE GS_OUTTAB.
DATA: L_VALID TYPE C,
LT_ROW_NO TYPE LVC_T_ROID WITH HEADER LINE.
*§A4c. Before you set, reset, (c)(de)activate
* or evaluate checkboxes, you must check the input cells.
*
* If all entries are ok, ALV transferes new values to the output
* table which you then can modify.
CALL METHOD G_GRID->CHECK_CHANGED_DATA
IMPORTING
E_VALID = L_VALID.
IF L_VALID EQ 'X'.
CALL METHOD G_GRID->GET_SELECTED_ROWS
IMPORTING
ET_ROW_NO = LT_ROW_NO[].
LOOP AT LT_ROW_NO.
READ TABLE PT_OUTTAB INTO LS_OUTTAB INDEX LT_ROW_NO-ROW_ID.
IF LS_OUTTAB-CHECKBOX NE '-'.
LS_OUTTAB-CHECKBOX = '-'.
ELSE.
LS_OUTTAB-CHECKBOX = ' '.
ENDIF.
MODIFY PT_OUTTAB FROM LS_OUTTAB INDEX LT_ROW_NO-ROW_ID.
ENDLOOP.
CALL METHOD G_GRID->REFRESH_TABLE_DISPLAY.
ENDIF.
ENDFORM. " switch_activation
*&---------------------------------------------------------------------*
*& Form check_lock
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* -->P_LS_OUTTAB text
* <--P_L_LOCKED text
*----------------------------------------------------------------------*
FORM CHECK_LOCK USING PS_OUTTAB TYPE GS_OUTTAB
CHANGING P_LOCKED.
DATA LS_CELLTAB TYPE LVC_S_STYL.
LOOP AT PS_OUTTAB-CELLTAB INTO LS_CELLTAB.
IF LS_CELLTAB-FIELDNAME = 'CHECKBOX'.
IF LS_CELLTAB-STYLE EQ CL_GUI_ALV_GRID=>MC_STYLE_DISABLED.
P_LOCKED = 'X'.
ELSE.
P_LOCKED = SPACE.
ENDIF.
ENDIF.
ENDLOOP.
ENDFORM. " check_lock
CLASS LCL_EVENT_RECEIVER DEFINITION DEFERRED. "for event handling
DATA: OK_CODE LIKE SY-UCOMM,
SAVE_OK LIKE SY-UCOMM,
G_CONTAINER TYPE SCRFNAME VALUE 'BCALV_GRID_DEMO_0100_CONT1',
G_GRID TYPE REF TO CL_GUI_ALV_GRID,
G_CUSTOM_CONTAINER TYPE REF TO CL_GUI_CUSTOM_CONTAINER,
G_EVENT_RECEIVER TYPE REF TO LCL_EVENT_RECEIVER,
GT_FIELDCAT TYPE LVC_T_FCAT,
GS_LAYOUT TYPE LVC_S_LAYO,
G_MAX TYPE I VALUE 100.
TYPES: BEGIN OF GS_OUTTAB.
TYPES: CHECKBOX TYPE C. "field for checkbox
TYPES: CELLTAB TYPE LVC_T_STYL. "field to switch editability
INCLUDE STRUCTURE SFLIGHT.
TYPES: END OF GS_OUTTAB.
DATA: GT_OUTTAB TYPE GS_OUTTAB OCCURS 0 WITH HEADER LINE.
***********************************************************************
* LOCAL CLASSES
***********************************************************************
*
* This local class only handles event DOUBLE_CLICK.
* WHen the user double clicks on a checkbox cell the status of
* this cell is switched from editable to not editable and vice versa.
*
CLASS LCL_EVENT_RECEIVER DEFINITION.
PUBLIC SECTION.
METHODS: CATCH_DOUBLECLICK
FOR EVENT DOUBLE_CLICK OF CL_GUI_ALV_GRID
IMPORTING
E_COLUMN
ES_ROW_NO
SENDER.
ENDCLASS.
CLASS LCL_EVENT_RECEIVER IMPLEMENTATION.
METHOD CATCH_DOUBLECLICK.
DATA: LS_OUTTAB TYPE GS_OUTTAB,
LS_CELLTAB TYPE LVC_S_STYL.
*--
* Function:
* Switch between 'editable' and 'not editable' checkbox.
*--
* If the user clicked on another column there is
* nothing to do.
IF E_COLUMN-FIELDNAME NE 'CHECKBOX'.
EXIT.
ENDIF.
READ TABLE GT_OUTTAB INTO LS_OUTTAB INDEX ES_ROW_NO-ROW_ID.
* The loop is only needed if there are other columns that
* use checkboxes. At this point the loop could be
* replaced by a READ of the first line of CELLTAB.
LOOP AT LS_OUTTAB-CELLTAB INTO LS_CELLTAB.
IF LS_CELLTAB-FIELDNAME EQ 'CHECKBOX'.
* §B4.Switch the style to dis- or enable a cell for input
IF LS_CELLTAB-STYLE = CL_GUI_ALV_GRID=>MC_STYLE_ENABLED.
LS_CELLTAB-STYLE = CL_GUI_ALV_GRID=>MC_STYLE_DISABLED.
ELSE.
LS_CELLTAB-STYLE = CL_GUI_ALV_GRID=>MC_STYLE_ENABLED.
ENDIF.
MODIFY LS_OUTTAB-CELLTAB FROM LS_CELLTAB.
ENDIF.
ENDLOOP.
MODIFY GT_OUTTAB FROM LS_OUTTAB INDEX ES_ROW_NO-ROW_ID.
CALL METHOD SENDER->REFRESH_TABLE_DISPLAY.
ENDMETHOD.
ENDCLASS.
*
********************************************************************
*---------------------------------------------------------------------*
* MAIN *
*---------------------------------------------------------------------*
END-OF-SELECTION.
CALL SCREEN 100.
*---------------------------------------------------------------------*
* MODULE PBO OUTPUT *
*---------------------------------------------------------------------*
MODULE PBO OUTPUT.
SET PF-STATUS 'MAIN100'.
SET TITLEBAR 'MAIN100'.
IF G_CUSTOM_CONTAINER IS INITIAL.
PERFORM CREATE_AND_INIT_ALV.
ENDIF.
ENDMODULE.
*---------------------------------------------------------------------*
* MODULE PAI INPUT *
*---------------------------------------------------------------------*
MODULE PAI INPUT.
SAVE_OK = OK_CODE.
CLEAR OK_CODE.
CASE SAVE_OK.
WHEN 'EXIT'.
PERFORM EXIT_PROGRAM.
WHEN 'SELECT'.
PERFORM SELECT_ALL_ENTRIES CHANGING GT_OUTTAB[].
WHEN 'DESELECT'.
PERFORM DESELECT_ALL_ENTRIES CHANGING GT_OUTTAB[].
WHEN 'RESET'.
PERFORM RESET_SELECTED_ENTRIES CHANGING GT_OUTTAB[].
WHEN 'SWITCH'.
PERFORM SWITCH_ACTIVATION CHANGING GT_OUTTAB[].
ENDCASE.
ENDMODULE.
*&---------------------------------------------------------------------*
*& Form CREATE_AND_INIT_ALV
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* <--P_GT_OUTTAB text
* <--P_GT_FIELDCAT text
* <--P_GS_LAYOUT text
*----------------------------------------------------------------------*
FORM CREATE_AND_INIT_ALV.
DATA: LT_EXCLUDE TYPE UI_FUNCTIONS.
CREATE OBJECT G_CUSTOM_CONTAINER
EXPORTING CONTAINER_NAME = G_CONTAINER.
CREATE OBJECT G_GRID
EXPORTING I_PARENT = G_CUSTOM_CONTAINER.
PERFORM BUILD_FIELDCAT CHANGING GT_FIELDCAT.
* Exclude all edit functions in this example since we do not need them:
PERFORM EXCLUDE_TB_FUNCTIONS CHANGING LT_EXCLUDE.
PERFORM BUILD_DATA.
*§ B3.Use the layout structure to aquaint additional field to ALV.
GS_LAYOUT-STYLEFNAME = 'CELLTAB'.
CALL METHOD G_GRID->SET_TABLE_FOR_FIRST_DISPLAY
EXPORTING IS_LAYOUT = GS_LAYOUT
IT_TOOLBAR_EXCLUDING = LT_EXCLUDE
CHANGING IT_FIELDCATALOG = GT_FIELDCAT
IT_OUTTAB = GT_OUTTAB[].
CREATE OBJECT G_EVENT_RECEIVER.
SET HANDLER G_EVENT_RECEIVER->CATCH_DOUBLECLICK FOR G_GRID.
* 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 BUILD_FIELDCAT
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* <--P_GT_FIELDCAT text
*----------------------------------------------------------------------*
FORM BUILD_FIELDCAT CHANGING PT_FIELDCAT TYPE LVC_T_FCAT.
DATA LS_FCAT TYPE LVC_S_FCAT.
CALL FUNCTION 'LVC_FIELDCATALOG_MERGE'
EXPORTING
I_STRUCTURE_NAME = 'SFLIGHT'
CHANGING
CT_FIELDCAT = PT_FIELDCAT.
*§A2.Add an entry for the checkbox in the fieldcatalog
CLEAR LS_FCAT.
LS_FCAT-FIELDNAME = 'CHECKBOX'.
* Essential: declare field as checkbox and
* mark it as editable field:
LS_FCAT-CHECKBOX = 'X'.
LS_FCAT-EDIT = 'X'.
* do not forget to provide texts for this extra field
LS_FCAT-COLTEXT = TEXT-F01.
LS_FCAT-TOOLTIP = TEXT-F02.
LS_FCAT-SELTEXT = TEXT-F03.
* optional: set column width
LS_FCAT-OUTPUTLEN = 10.
*
APPEND LS_FCAT TO PT_FIELDCAT.
ENDFORM.
*&---------------------------------------------------------------------*
*& Form EXCLUDE_TB_FUNCTIONS
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* <--P_LT_EXCLUDE text
*----------------------------------------------------------------------*
FORM EXCLUDE_TB_FUNCTIONS CHANGING PT_EXCLUDE TYPE UI_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_data
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM BUILD_DATA.
DATA: LT_SFLIGHT TYPE TABLE OF SFLIGHT,
LS_SFLIGHT TYPE SFLIGHT,
LS_CELLTAB TYPE LVC_S_STYL,
LT_CELLTAB TYPE LVC_T_STYL,
L_INDEX TYPE I.
SELECT * FROM SFLIGHT INTO TABLE LT_SFLIGHT UP TO G_MAX ROWS.
IF SY-SUBRC NE 0.
* generate own entries if db-table is empty so that this example
* still works
PERFORM GENERATE_ENTRIES CHANGING LT_SFLIGHT.
ENDIF.
*§A3.Optionally, check checkboxes initially after selecting data.
* (Omitted in this example)
LOOP AT LT_SFLIGHT INTO LS_SFLIGHT.
MOVE-CORRESPONDING LS_SFLIGHT TO GT_OUTTAB.
* if gt_outtab-connid eq '400'.
* gt_outtab-checkbox = 'X'.
* endif.
APPEND GT_OUTTAB.
ENDLOOP.
* §B2.After selecting data,
* assign a style for each row of your checkbox column.
*
* Initially, set all checkbox cells editable.
LS_CELLTAB-FIELDNAME = 'CHECKBOX'.
LS_CELLTAB-STYLE = CL_GUI_ALV_GRID=>MC_STYLE_ENABLED.
LOOP AT GT_OUTTAB.
L_INDEX = SY-TABIX.
REFRESH LT_CELLTAB.
LS_CELLTAB-FIELDNAME = 'CHECKBOX'.
LS_CELLTAB-STYLE = CL_GUI_ALV_GRID=>MC_STYLE_ENABLED.
INSERT LS_CELLTAB INTO TABLE LT_CELLTAB.
INSERT LINES OF LT_CELLTAB INTO TABLE GT_OUTTAB-CELLTAB.
MODIFY GT_OUTTAB INDEX L_INDEX.
ENDLOOP.
ENDFORM. " build_data
*---------------------------------------------------------------------*
* FORM EXIT_PROGRAM *
*---------------------------------------------------------------------*
FORM EXIT_PROGRAM.
LEAVE PROGRAM.
ENDFORM.
*&---------------------------------------------------------------------*
*& Form generate_entries
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* <--P_LT_SLFIGHT text
*----------------------------------------------------------------------*
FORM GENERATE_ENTRIES CHANGING PT_SLFIGHT TYPE STANDARD TABLE.
*
* This form is only needed for the case that there is no
* data in database table SFLIGHT.
*
DATA: LS_SFLIGHT TYPE SFLIGHT,
L_MONTH(2) TYPE C,
L_DAY(2) TYPE C,
L_DATE(8) TYPE C.
LS_SFLIGHT-CARRID = 'LH'.
LS_SFLIGHT-CONNID = '0400'.
LS_SFLIGHT-CURRENCY = 'DEM'.
LS_SFLIGHT-PLANETYPE = '747-400'.
LS_SFLIGHT-SEATSMAX = 660.
DO 110 TIMES.
LS_SFLIGHT-PRICE = SY-INDEX * 100.
LS_SFLIGHT-SEATSOCC = 660 - SY-INDEX * 6.
LS_SFLIGHT-PAYMENTSUM = LS_SFLIGHT-SEATSOCC * LS_SFLIGHT-PRICE.
L_MONTH = SY-INDEX / 10 + 1.
DO 2 TIMES.
L_DAY = L_MONTH + SY-INDEX * 2.
L_DATE+0(4) = '2000'.
L_DATE+4(2) = L_MONTH+0(2).
L_DATE+6(2) = L_DAY+0(2).
LS_SFLIGHT-FLDATE = L_DATE.
APPEND LS_SFLIGHT TO PT_SLFIGHT.
ENDDO.
ENDDO.
ENDFORM. " generate_entries
*&---------------------------------------------------------------------*
*& Form select_all_entries
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* <--P_GT_OUTTAB text
*----------------------------------------------------------------------*
FORM SELECT_ALL_ENTRIES CHANGING PT_OUTTAB TYPE STANDARD TABLE.
DATA: LS_OUTTAB TYPE GS_OUTTAB.
DATA: L_VALID TYPE C,
L_LOCKED TYPE C.
*§A4ad. Before you (a)set, reset or (d)evaluate checkboxes,
* you must check the input cells.
*
* If all entries are ok, ALV transferes new values to the output
* table which you then can modify.
CALL METHOD G_GRID->CHECK_CHANGED_DATA
IMPORTING
E_VALID = L_VALID.
IF L_VALID EQ 'X'.
LOOP AT PT_OUTTAB INTO LS_OUTTAB.
PERFORM CHECK_LOCK USING LS_OUTTAB
CHANGING L_LOCKED.
IF L_LOCKED IS INITIAL
AND NOT LS_OUTTAB-CHECKBOX EQ '-'.
LS_OUTTAB-CHECKBOX = 'X'.
ENDIF.
MODIFY PT_OUTTAB FROM LS_OUTTAB.
ENDLOOP.
CALL METHOD G_GRID->REFRESH_TABLE_DISPLAY.
ENDIF.
ENDFORM. " select_all_entries
*&---------------------------------------------------------------------*
*& Form deselect_all_entries
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* <--P_GT_OUTTAB[] text
*----------------------------------------------------------------------*
FORM DESELECT_ALL_ENTRIES CHANGING PT_OUTTAB TYPE STANDARD TABLE.
DATA: LS_OUTTAB TYPE GS_OUTTAB.
DATA: L_VALID TYPE C,
L_LOCKED TYPE C.
*§A4ad. Before you (a)set, reset or (d)evaluate checkboxes,
* you must check the input cells.
*
* If all entries are ok, ALV transferes new values to the output
* table which you then can modify.
CALL METHOD G_GRID->CHECK_CHANGED_DATA
IMPORTING
E_VALID = L_VALID.
IF L_VALID EQ 'X'.
LOOP AT PT_OUTTAB INTO LS_OUTTAB.
PERFORM CHECK_LOCK USING LS_OUTTAB
CHANGING L_LOCKED.
IF L_LOCKED IS INITIAL
AND NOT LS_OUTTAB-CHECKBOX EQ '-'.
LS_OUTTAB-CHECKBOX = ' '.
ENDIF.
MODIFY PT_OUTTAB FROM LS_OUTTAB.
ENDLOOP.
CALL METHOD G_GRID->REFRESH_TABLE_DISPLAY.
ENDIF.
ENDFORM. " deselect_all_entries
*&---------------------------------------------------------------------*
*& Form reset_selected_entries
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* <--P_GT_OUTTAB[] text
*----------------------------------------------------------------------*
FORM RESET_SELECTED_ENTRIES CHANGING PT_OUTTAB TYPE STANDARD TABLE.
DATA: LS_OUTTAB TYPE GS_OUTTAB.
DATA: L_VALID TYPE C.
*§A4b. Before you set, (b)reset or evaluate checkboxes,
* you must check the input cells.
*
* If all entries are ok, ALV transferes new values to the output
* table which you then can modify.
CALL METHOD G_GRID->CHECK_CHANGED_DATA
IMPORTING
E_VALID = L_VALID.
IF L_VALID EQ 'X'.
LOOP AT PT_OUTTAB INTO LS_OUTTAB.
IF NOT LS_OUTTAB-CHECKBOX IS INITIAL
AND NOT LS_OUTTAB-CHECKBOX EQ '-'.
CLEAR LS_OUTTAB.
MODIFY PT_OUTTAB FROM LS_OUTTAB.
ENDIF.
ENDLOOP.
CALL METHOD G_GRID->REFRESH_TABLE_DISPLAY.
ENDIF.
ENDFORM. " reset_selected_entries
*-----------------------------
FORM SWITCH_ACTIVATION CHANGING PT_OUTTAB TYPE STANDARD TABLE.
DATA: LS_OUTTAB TYPE GS_OUTTAB.
DATA: L_VALID TYPE C,
LT_ROW_NO TYPE LVC_T_ROID WITH HEADER LINE.
*§A4c. Before you set, reset, (c)(de)activate
* or evaluate checkboxes, you must check the input cells.
*
* If all entries are ok, ALV transferes new values to the output
* table which you then can modify.
CALL METHOD G_GRID->CHECK_CHANGED_DATA
IMPORTING
E_VALID = L_VALID.
IF L_VALID EQ 'X'.
CALL METHOD G_GRID->GET_SELECTED_ROWS
IMPORTING
ET_ROW_NO = LT_ROW_NO[].
LOOP AT LT_ROW_NO.
READ TABLE PT_OUTTAB INTO LS_OUTTAB INDEX LT_ROW_NO-ROW_ID.
IF LS_OUTTAB-CHECKBOX NE '-'.
LS_OUTTAB-CHECKBOX = '-'.
ELSE.
LS_OUTTAB-CHECKBOX = ' '.
ENDIF.
MODIFY PT_OUTTAB FROM LS_OUTTAB INDEX LT_ROW_NO-ROW_ID.
ENDLOOP.
CALL METHOD G_GRID->REFRESH_TABLE_DISPLAY.
ENDIF.
ENDFORM. " switch_activation
*&---------------------------------------------------------------------*
*& Form check_lock
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* -->P_LS_OUTTAB text
* <--P_L_LOCKED text
*----------------------------------------------------------------------*
FORM CHECK_LOCK USING PS_OUTTAB TYPE GS_OUTTAB
CHANGING P_LOCKED.
DATA LS_CELLTAB TYPE LVC_S_STYL.
LOOP AT PS_OUTTAB-CELLTAB INTO LS_CELLTAB.
IF LS_CELLTAB-FIELDNAME = 'CHECKBOX'.
IF LS_CELLTAB-STYLE EQ CL_GUI_ALV_GRID=>MC_STYLE_DISABLED.
P_LOCKED = 'X'.
ELSE.
P_LOCKED = SPACE.
ENDIF.
ENDIF.
ENDLOOP.
ENDFORM. " check_lock