Posted: Mon Nov 05, 2007 3:13 pm Post subject: Demo: GFW: A simple hierarchy graphic using SAP Tree
Code:
REPORT GFW_DEMO_HIER1 .
***********************************************************************
* This is a program to demonstrate the functionality of the
* Graphical Framework (GFW).
* This is not a programming example. If you want to learn how to
* use the GFW in your own programs please take a closer look at our
* programming examples (with prefix GFW_PROG_).
***********************************************************************
* texts for example programs of GFW
INCLUDE GFW_PROG_TEXT.
* data container (DC)
INCLUDE GFW_DC_HIER.
CLASS CL_GUI_CFW DEFINITION LOAD.
CLASS CL_GFW_MUX DEFINITION LOAD.
DATA: OK_CODE TYPE SY-UCOMM,
ID TYPE DOKHL-ID,
LANGU TYPE DOKHL-LANGU,
OBJECT TYPE DOKHL-OBJECT,
FIRSTCALL TYPE I,
CUSTOM_CONTAINER TYPE REF TO CL_GUI_CUSTOM_CONTAINER,
DC_INST TYPE REF TO LCL_DC_HIER,
DC_MANAGE TYPE REF TO IF_DC_MANAGEMENT,
MY_ID_AT_DC TYPE I,
RETVAL TYPE SYMSGNO,
GP_INST TYPE REF TO CL_GUI_GP_HIER,
cuobj_leave TYPE REF TO CL_CU_POINT,
ITEM_LIST TYPE GFW_ITEM_ATTRIB_LIST,
item_name type gfw_item_attrib
.
* main class needed to catch gui events
CLASS LCL_MAIN DEFINITION.
PUBLIC SECTION.
METHODS: ON_CLOSED FOR EVENT IF_GRAPHIC_PROXY~GRAPHIC_CLOSED
OF CL_GUI_GP_HIER IMPORTING EVENT.
ENDCLASS.
CLASS LCL_MAIN IMPLEMENTATION.
METHOD ON_CLOSED.
LEAVE PROGRAM.
ENDMETHOD.
ENDCLASS.
DATA: MAIN TYPE REF TO LCL_MAIN.
START-OF-SELECTION.
CREATE OBJECT MAIN.
SET HANDLER MAIN->ON_CLOSED FOR ALL INSTANCES.
* USAGE allowed in SAP internal test reports, only
include applg_auto_test_init.
CALL SCREEN 100.
* USAGE allowed in SAP internal test reports, only
include applg_auto_test_form.
*&---------------------------------------------------------------------*
*& Module PBO_0100 OUTPUT
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
MODULE PBO_0100 OUTPUT.
SET PF-STATUS '100'.
RETVAL = CL_GFW=>OK.
IF FIRSTCALL IS INITIAL.
* create, initialize and fill DC
CREATE OBJECT DC_INST.
DC_MANAGE = DC_INST.
CALL METHOD DC_MANAGE->INIT IMPORTING ID = MY_ID_AT_DC
RETVAL = RETVAL.
IF RETVAL <CL_GFW>OK.
CALL METHOD CL_GFW=>SHOW_MSG EXPORTING MSGNO = RETVAL.
CLEAR DC_INST.
CLEAR DC_MANAGE.
ELSE.
PERFORM FILL_DC CHANGING RETVAL.
IF RETVAL <CL_GFW>OK.
CALL METHOD CL_GFW=>SHOW_MSG EXPORTING MSGNO = RETVAL.
ELSE.
* create container in which to place graphic
* (place it in the custom control named CONTAINER
* defined using screenpainter in dynpro 100)
CREATE OBJECT CUSTOM_CONTAINER
EXPORTING
CONTAINER_NAME = 'CONTAINER'. "use uppercase letters!
" there will be a RABAX here if any error occurred while creating
" the container
* create, initialize and activate graphic proxy
CREATE OBJECT GP_INST EXPORTING AUTO_LINK = GFW_TRUE.
CALL METHOD GP_INST->IF_GRAPHIC_PROXY~INIT
EXPORTING parent = CUSTOM_CONTAINER
DC = DC_INST
PROD_ID = CL_GUI_GP_HIER=>CO_PROD_SAPTREE
IMPORTING RETVAL = RETVAL.
IF RETVAL = CL_GFW=>OK.
* set DC attributes
refresh item_list. clear item_name.
item_name-no = 1.
item_name-name = 'NODE_TEXT0'.
insert item_name into table item_list.
CALL METHOD GP_INST->SET_DC_NAMES
EXPORTING
OBJ_ID = 'OBJID'
PRED = 'PRED'
OBJREF_ID = 'CU_REFOBJ'
ITEM_LIST = ITEM_LIST
IMPORTING RETVAL = RETVAL.
ENDIF. "// set dc attributes
IF RETVAL = CL_GFW=>OK.
* mark leaves to be not expandable
CREATE OBJECT CUOBJ_LEAVE
EXPORTING INSTANCE_ID = 'GFW_DEMO_HIER1'.
CALL METHOD CUOBJ_LEAVE->IF_CUSTOMIZING~SET
EXPORTING ATTR_ID = cl_cu_point=>CO_EXPANDABLE
VALUE = gfw_false.
CALL METHOD GP_INST->IF_GRAPHIC_PROXY~ADD_CU_BUNDLE
EXPORTING PORT = IF_GRAPHIC_PROXY=>CO_PORT_CHART
KEY = 'LEAVE' "#EC NOTEXT
BUNDLE = CUOBJ_LEAVE
IMPORTING RETVAL = RETVAL.
ENDIF.
IF RETVAL = CL_GFW=>OK.
CALL METHOD GP_INST->IF_GRAPHIC_PROXY~ACTIVATE
IMPORTING RETVAL = RETVAL.
ENDIF.
IF RETVAL <CL_GFW>OK.
* don't cut&paste this call in end user applications!!!
* (user would be confused by technical message)
* raise application specific message instead, please
CALL METHOD CL_GFW=>SHOW_MSG EXPORTING MSGNO = RETVAL.
ENDIF.
ENDIF. "//fill_dc ok
FIRSTCALL = 1.
ENDIF. "//create and init dc ok
ENDIF.
* **** distribute changes (to all subscribed graphics proxies)
IF NOT DC_MANAGE IS INITIAL.
CALL METHOD DC_MANAGE->DISTRIBUTE_CHANGES
IMPORTING RETVAL = RETVAL.
IF RETVAL <CL_GFW>OK.
* don't cut&paste this call in end user applications!!!
* (user would be confused by technical message)
* raise application specific message instead, please
CALL METHOD CL_GFW=>SHOW_MSG EXPORTING MSGNO = RETVAL.
ENDIF.
ENDIF.
* **** activate mux (handling of external graphics and interactions)
CALL METHOD CL_GFW_MUX=>ACTIVATE IMPORTING RETVAL = RETVAL.
IF RETVAL <CL_GFW>OK.
* don't cut&paste this call in end user applications!!!
* (user would be confused by technical message)
* raise application specific message instead, please
CALL METHOD CL_GFW=>SHOW_MSG EXPORTING MSGNO = RETVAL.
ENDIF.
* USAGE allowed in SAP internal test reports, only
perform auto_test_pbo USING 'EXIT'.
ENDMODULE. " PBO_0100 OUTPUT
*&---------------------------------------------------------------------*
*& Module PAI_0100 INPUT
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
MODULE PAI_0100 INPUT.
OK_CODE = SY-UCOMM.
* activate event analysis of object-oriented Control Framework
CALL METHOD CL_GUI_CFW=>DISPATCH.
* handle other events
CASE OK_CODE.
WHEN 'BACK'.
LEAVE PROGRAM.
WHEN 'EXIT'.
LEAVE PROGRAM.
WHEN 'DOCU'.
ID = 'RE'. LANGU = SY-LANGU. OBJECT = 'GFW_DEMO_HIER1'.
* display program documentation
CALL FUNCTION 'DOCU_CALL'
EXPORTING
DISPL = 'X' "//show mode
DISPL_MODE = '2' "//like F1 help
ID = ID
LANGU = LANGU
OBJECT = OBJECT.
ENDCASE.
ENDMODULE. " PAI_0100 INPUT
*&---------------------------------------------------------------------*
*& Form FILL_DC
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <p2>E_GP_DCHANDLE.
EXIT.
ENDIF.
RETVAL = CL_GFW=>OK.
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