程序代码：
- *Structure declaration for T016T
- TYPES : BEGIN OF ty_t016t,
- brsch TYPE brsch,
- brtxt TYPE text1_016t,
- spras TYPE spras,
- END OF ty_t016t.
- *Work area and internal table for T016T
- DATA : it_t016t TYPE STANDARD TABLE OF ty_t016t,
- wa_t016t TYPE ty_t016t.
- *class declaration
- CLASS lcl_objdragdropapp DEFINITION DEFERRED.
- *data declarations for ALV
- DATA: c_dragdropapp TYPE REF TO lcl_objdragdropapp,
- c_dockingcont TYPE REF TO cl_gui_docking_container,
- c_alv TYPE REF TO cl_gui_alv_grid,
- * reference variable to CL_DRAGDROP:
- c_dragdropalv TYPE REF TO cl_dragdrop,
- it_layout TYPE lvc_s_layo,
- it_fcat TYPE lvc_t_fcat. "Field catalogue
- *declarations for handle event
- DATA: effect TYPE i,
- handle_alv TYPE i.
- *initialization event
- INITIALIZATION.
- *start of selection event
- START-OF-SELECTION.
- *select data
- PERFORM fetch_data.
- *ALV output
- PERFORM alv_output.
- * Class definitions and method implementation for drag and drop
- CLASS lcl_dragdrop DEFINITION.
- PUBLIC SECTION.
- DATA: wa TYPE ty_t016t,
- index TYPE i. "Index of Line to be moved
- ENDCLASS. "LCL_DRAGDROP DEFINITION
- *Application class definition
- CLASS lcl_objdragdropapp DEFINITION.
- PUBLIC SECTION.
- METHODS:
- *Handling Event Drag
- handle_alv_drag
- FOR EVENT ondrag
- OF cl_gui_alv_grid
- IMPORTING e_row e_column e_dragdropobj,
- *Handling event DROP
- handle_alv_drop
- FOR EVENT ondrop
- OF cl_gui_alv_grid
- IMPORTING e_row e_column e_dragdropobj.
- ENDCLASS. "LCL_objdragdropapp DEFINITION
- *Application class implementation
- CLASS lcl_objdragdropapp IMPLEMENTATION.
- * OnDrag event is used to 'fetch' information from the drag source.
- METHOD handle_alv_drag.
- DATA: dataobj TYPE REF TO lcl_dragdrop,
- line TYPE ty_t016t.
- * Read dragged row
- READ TABLE it_t016t INDEX e_row-index INTO line.
- * create and fill dataobject for events ONDROP
- CREATE OBJECT dataobj.
- * Remembering row index to move a line
- MOVE e_row-index TO dataobj->index.
- * store the dragged line.
- READ TABLE it_t016t INTO dataobj->wa INDEX e_row-index.
- * Assigning data object to the refering event parameter
- e_dragdropobj->object = dataobj.
- ENDMETHOD. "HANDLE_ALV_DRAG
- *Event handler for event 'OnDrop'. This event is used
- *to use your dragged information in combination with your drop source.
- METHOD handle_alv_drop.
- DATA: dataobj TYPE REF TO lcl_dragdrop,
- drop_index TYPE i,
- stable TYPE lvc_s_stbl.
- * Refresh Alv Grid Control without scrolling
- stable-row = 'X'.
- stable-col = 'X'.
- * Catch-Statement to ensure the drag&drop-Operation is aborted properly.
- CATCH SYSTEM-EXCEPTIONS move_cast_error = 1.
- dataobj ?= e_dragdropobj->object.
- DELETE it_t016t INDEX dataobj->index.
- INSERT dataobj->wa INTO it_t016t INDEX e_row-index.
- *Refreshing the ALV
- CALL METHOD c_alv->refresh_table_display
- EXPORTING
- i_soft_refresh = 'X'
- is_stable = stable.
- ENDCATCH.
- IF sy-subrc <> 0.
- * If anything went wrong aborting the drag and drop operation:
- CALL METHOD e_dragdropobj->abort.
- ENDIF.
- ENDMETHOD. "HANDLE_ALV_DROP
- ENDCLASS. "LCL_objdragdropapp IMPLEMENTATION
- *&---------------------------------------------------------------------*
- *& Form alv_output
- *&---------------------------------------------------------------------*
- * text
- *----------------------------------------------------------------------*
- * --> p1 text
- * <-- p2 text
- *----------------------------------------------------------------------*
- FORM alv_output .
- CALL SCREEN 600.
- ENDFORM. " alv_output
- ** Calling the ALV screen with custom container
- *On this statement double click it takes you to the screen painter SE51.
- *Enter the attributes
- *Create a Custom container and name it CC_CONT and OK code as OK_CODE.
- *Save check and Activate the screen painter.
- *Now a normal screen with number 600 is created which holds the ALV grid.
- * PBO of the actual screen ,Here we can give a title and customized menus
- *&---------------------------------------------------------------------*
- *& Module STATUS_0600 OUTPUT
- *&---------------------------------------------------------------------*
- * text
- *----------------------------------------------------------------------*
- MODULE status_0600 OUTPUT.
- * SET PF-STATUS 'xxxxxxxx'.
- * SET TITLEBAR 'xxx'.
- IF c_alv IS INITIAL.
- PERFORM alv_controls.
- ENDIF.
- ENDMODULE. " STATUS_0600 OUTPUT
- *&---------------------------------------------------------------------*
- *& Form alv_CONTROLS
- *&---------------------------------------------------------------------*
- * text
- *----------------------------------------------------------------------*
- * --> p1 text
- * <-- p2 text
- *----------------------------------------------------------------------*
- FORM alv_controls.
- * create docking container for alv control
- CREATE OBJECT c_dockingcont
- EXPORTING
- dynnr = '600'
- extension = 300
- side = cl_gui_docking_container=>dock_at_top.
- * create alv control
- CREATE OBJECT c_alv
- EXPORTING i_parent = c_dockingcont.
- * create the application object to handle the ABAP Objects Events
- CREATE OBJECT c_dragdropapp.
- * Events alv control
- *For Dragging
- SET HANDLER c_dragdropapp->handle_alv_drag FOR c_alv.
- *For Dropping
- SET HANDLER c_dragdropapp->handle_alv_drop FOR c_alv.
- * build tree nodes for drag&drop
- PERFORM build_handle.
- * Fieldcatalogue for ALV
- PERFORM alv_build_fieldcat.
- * ALV attributes FOR LAYOUT
- PERFORM alv_report_layout.
- * Call ALV GRID
- CALL METHOD c_alv->set_table_for_first_display
- EXPORTING
- is_layout = it_layout
- CHANGING
- it_outtab = it_t016t
- it_fieldcatalog = it_fcat
- EXCEPTIONS
- invalid_parameter_combination = 1
- program_error = 2
- too_many_lines = 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.
- ENDIF.
- ENDFORM. "ALV_CONTROLS
- *&---------------------------------------------------------------------*
- *& Form build_handle
- *&---------------------------------------------------------------------*
- * text
- *----------------------------------------------------------------------*
- * --> p1 text
- * <-- p2 text
- *----------------------------------------------------------------------*
- FORM build_handle.
- * define a drag & Drop behaviour for the whole grid
- CREATE OBJECT c_dragdropalv.
- effect = cl_dragdrop=>move + cl_dragdrop=>copy.
- CALL METHOD c_dragdropalv->add
- EXPORTING
- flavor = 'Line'
- dragsrc = 'X'
- droptarget = 'X'
- effect = effect.
- *getting the handle for drag and drop
- CALL METHOD c_dragdropalv->get_handle
- IMPORTING
- handle = handle_alv.
- ENDFORM. " build_handle
- *&---------------------------------------------------------------------*
- *& Form fetch_data
- *&---------------------------------------------------------------------*
- * text
- *----------------------------------------------------------------------*
- * --> p1 text
- * <-- p2 text
- *----------------------------------------------------------------------*
- FORM fetch_data .
- * select and display data from t016
- SELECT brtxt brsch spras FROM t016t INTO CORRESPONDING FIELDS OF TABLE it_t016t
- WHERE spras = 'EN'.
- ENDFORM. " fetch_data
- *&---------------------------------------------------------------------*
- *& Form alv_report_layout
- *&---------------------------------------------------------------------*
- * text
- *----------------------------------------------------------------------*
- * --> p1 text
- * <-- p2 text
- *----------------------------------------------------------------------*
- FORM alv_report_layout .
- it_layout-grid_title = 'ALV Drag Drop'.
- * provide handle to alv control to all rows for same drag & drop behaviour
- it_layout-s_dragdrop-row_ddid = handle_alv.
- ENDFORM. " alv_report_layout
- *&---------------------------------------------------------------------*
- *& Form alv_build_fieldcat
- *&---------------------------------------------------------------------*
- * text
- *----------------------------------------------------------------------*
- * --> p1 text
- * <-- p2 text
- *----------------------------------------------------------------------*
- FORM alv_build_fieldcat .
- DATA lv_fldcat TYPE lvc_s_fcat.
- CLEAR lv_fldcat.
- lv_fldcat-row_pos = '1'.
- lv_fldcat-col_pos = '1'.
- lv_fldcat-fieldname = 'BRSCH'.
- lv_fldcat-tabname = 'IT_T016T'.
- lv_fldcat-outputlen = 8.
- lv_fldcat-scrtext_m = 'Industry'.
- APPEND lv_fldcat TO it_fcat.
- CLEAR lv_fldcat.
- lv_fldcat-row_pos = '1'.
- lv_fldcat-col_pos = '2'.
- lv_fldcat-fieldname = 'BRTXT'.
- lv_fldcat-tabname = 'IT_T016T'.
- lv_fldcat-outputlen = 15.
- lv_fldcat-scrtext_m = 'Description'.
- APPEND lv_fldcat TO it_fcat.
- CLEAR lv_fldcat.
- ENDFORM. " alv_build_fieldcat
- * PAI module of the screen created. In case we use an interactive ALV or
- *for additional functionalities we can create OK codes
- *and based on the user command we can do the coding.
- *&---------------------------------------------------------------------*
- *& Module USER_COMMAND_0600 INPUT
- *&---------------------------------------------------------------------*
- * text
- *----------------------------------------------------------------------*
- MODULE user_command_0600 INPUT.
- ENDMODULE. " USER_COMMAND_0600 INPUT
复制代码
程序执行效果：
alv行记录被拖拽之后的效果
|
