web dynpro abap- file window

7/31/2019 Web Dynpro Abap- File Window

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Web Dynpro abap file download

Example to achieve the functionality

Create Web Dynpro Component and Save it a local object.

When we specify Window name and View name when we create web dynpro component,View is embedded in Window.

Go to Component Controllero Context tab->Create node EMP_DET with cardinality 0..n

o Method tab->Create GET_DATA method to prepare data for EMP_DET node.
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o CodeMETHOD get_data .

DATA lo_nd_emp_det TYPE REF TO if_wd_context_node.

DATA lt_emp_det TYPE wd_this->elements_emp_det.

* navigate from to via lead selection

lo_nd_emp_det = wd_context->get_child_node( name = wd_this->wdctx_emp_det ).

SELECT *

FROM pa0002

INTO CORRESPONDING FIELDS OF TABLE lt_emp_det UP TO 30 ROWS.

lo_nd_emp_det->bind_table( new_items = lt_emp_detset_initial_elements = abap_true ).

ENDMETHOD.

Go to view DOWNLOAD_Vo Context tab->Map Component Controller context to View Context.

o Layout tab->Change layout property of ROOTUIELEMENTCONTAINER toMatrixLayout.
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o Layout tab->Create Table UI element ->Bind EMP_DET context node to tableelement->Set Layout data property to MatrixHeadData

o Layout tab-> Create Button UI element for downloading file-> Create OnActionevent DOWNLOAD_DATA for the button.
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o Code for the ONACTIONDOWNLOAD_DATA method.

o CodeMETHOD onactiondownload_data .

DATA lo_nd_emp_det TYPE REF TO if_wd_context_node.

DATA:

lt_emp_det TYPE wd_this->elements_emp_det,

ls_emp_det TYPE wd_this->element_emp_det.

DATA:

str TYPE string,

xstr TYPE xstring.

* navigate from to via lead selection

lo_nd_emp_det = wd_context->get_child_node( name = wd_this->wdctx_emp_det ).

lo_nd_emp_det->get_static_attributes_table( IMPORTING table =lt_emp_det ).

"Prepare download file.

LOOP AT lt_emp_det INTO ls_emp_det.

CONCATENATE str

ls_emp_det-pernr

ls_emp_det-nachn

ls_emp_det-vorna
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ls_emp_det-gbdat

cl_abap_char_utilities=>newline

INTO str

SEPARATED BY cl_abap_char_utilities=>horizontal_tab.

ENDLOOP.

CALL FUNCTION 'SCMS_STRING_TO_XSTRING'

EXPORTING

text = str

IMPORTING

buffer = xstr

EXCEPTIONS

failed = 1.

"Attach file

CALL METHOD cl_wd_runtime_services=>attach_file_to_response

EXPORTING

i_filename = 'Download.xls'

i_content = xstr

i_mime_type = 'EXCEL'

i_in_new_window = abap_false

i_inplace = abap_false.

ENDMETHOD.

o Methods tab->Call GET_DATA method in WDDOINIT method to getEMP_DET node elements to display in Table.

method WDDOINIT .

DATA lo_componentcontroller TYPE REF TO ig_componentcontroller .

lo_componentcontroller = wd_this->get_componentcontroller_ctr( ).

lo_componentcontroller->get_data( ).

endmethod.

Save and Activate Web Dynpro component. Create Web Dynpro Application and Save it as local object.
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Run Web Dynpro Application.
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web dynpro abap- file window

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