webdynpro进阶篇左下方一个ALV区域动态产生也就是通过set-data

案例十一:初始状态ALV区域，是动态产生的（set_dataALV的源数据。右边是对应左边的不同的objectname产生不同的editpanel. readdata按纽，将会pop-up个window供选择数据。同时，该window也是个ALV，该ALV提供了filter功能。可以把选择好的数据传递给主当点alvrecordeditpanelrecordobjectname.总体架构Main初始状态：dropdown中有值并有em_viewinitdropdown中有值。这里是使用的dropdownlistbyKey。除method NITDATA TYPEREFTODATAlo_nd_dropdown_key_infoTYPEREFTODATADATA*forObject wd_this->wdctx_objecttype).**definels_value_set-VALUE='MASTERDATA'.ls_value_set-text='MASTERDATA'.APPENDls_value_setTOlt_value_set.ls_value_set-VALUE='ORGDATA'.ls_value_set-text='OrganizeDATA'.APPENDls_value_setTOlt_value_set.lo_nd_dropdown_key_info- =value_set=lt_value_set)*forObjectNamewd_this->wdctx_objectname=wd_context- **definels_value_set-VALUE='Material'.ls_value_set-text='Material'.APPENDls_value_setTOlt_value_set.ls_value_set-VALUE='Vendor'.ls_value_set-text='Vendor'.APPENDls_value_setTOlt_value_set.lo_nd_dropdown_key_info- =value_set=lt_value_set)位于EM_VIEW中的WDDOMODIFYVIEW中。以及它们的方法 methodWDDOMODIFYVIEWcheckFIRST_TIME=********************************Initselect:materialDATA:lo_dptypereftoCL_WD_DROPDOWN_BY_KEY.lo_dp?=view->get_element('DROPDOWN2'lo_dp->SET_SELECTED_KEY(value='Material'wd_this->GET_ALV_METHOD(wd_this->GET_ALV_METHOD(I_TYPE='NEW'初始状态：设置ALV的初始为material,并控制edit_panel的显示上面的EM_VIEW中WDDOMODIFYVIEW最后调用wd_this->GET_ALV_METHODI_TYPE'NEW').methodGET_ALV_METHODdata:typereftotypemethodGET_ALV_METHODdata:typereftotypereftoIf_Wd_Context_Element,typestring.*navigatefrom<CONTEXT>to<FLIGHTS>vialeadlo_Node=wd_Context->get_Child_Node(Name='OBJECTNAME'*getelementvialeadlo_Elem=lo_Node->get_Element(*getsingleattributeName=Value=lw_name*caselw_name.P_CONTROLLER->display_edit_panel('MAT').ifI_TYPE='READ'.P_CONTROLLER- P_CONTROLLER->set_alv_data(P_CONTROLLER->set_alv_data(I_type=I_TYPEwhenP_CONTROLLER->display_edit_panel('VEN').ifI_TYPE='READ'.P_CONTROLLER- P_CONTROLLER->set_alv_data(I_type=I_TYPE它所对应的因为前面的dropdown中的default是material，所以，现在将先调用P_CONTROLLER->display_edit_panel('MAT').然后调用P_CONTROLLER->set_alv_data(I_type=I_TYPE).I_VIEWmethodDISPLAY_EDIT_PANELI_VIEWmethodDISPLAY_EDIT_PANEL=wd_context-= getalldeclaredattributesgetalldeclaredattributesStatic_Attributes=stru_attributessetpropertycasei_view.when'MAT'.**firstsettheWD_this->g_acttype=**thenmodifydisablestru_attributes-ENABLE_MAT='X'.when**firstsettheWD_this->g_acttype=**thenmodifydisablestru_attributes-ENABLE_VEN='X'.bindnewelementtonode_attributes->bind_structure(new_item=stru_attributesSET_INITIAL_ELEMENTS=abap_true).context是与我们view中绑定这里，还使用了一个全局variantwd_this->g_acttype来判断是哪methodSET_ALV_DATAdata:typereftotypereftoIf_Wd_Context_Element,typestring.ifwd_this->g_acttype=ls_materialtypewd_this-lt_materialtypestandardtableofwd_this-navigatefrom<CONTEXT>to<FLIGHTS>vialeadselectionlo_Node=wd_Context->get_Child_Node(Name='MATERIAL').bindlocalifi_type=elseifi_type='READ'.describetablelt_materiallineswd_this->w_num.lo_Node->bind_table(lt_material).ifwd_this->g_acttype='VEN'.ls_vendortypewd_this-lt_vendortypestandardtableofwd_this-navigatefrom<CONTEXT>to<FLIGHTS>vialeadselectionlo_Node=wd_Context->get_Child_Node(Name='VENDOR').bindlocaltableifi_type='NEW'.elseifi_type='READ'.describetablelt_vendorlineswd_this->w_num.lo_Node->bind_table(lt_vendor).checkifALVcomponentusageisallreadyDATA:lr_salv_wd_table_usageTYPEREF IFlr_salv_wd_table_usage-> ponent()ISINITIAL. ponent().getreferencetoALVcomponentDATA:lr_salv_wd_tableTYPEREFTOiwci_salv_wd_table.lr_salv_wd_table=wd_this->wd_cpifc_alv_child().****setlr_salv_wd_table->SET_DATA(R_NODE_DATA=lo_Node****ALVConfig****methodCONFIG_ALVconfigmethodCONFIG_ALVconfigwd_this->alv_table_settings(configwd_this->alv_colum_settings(cellwd_this->ALV_CELL_VARIANT(ALVmethodALV_TABLE_SETTINGS.l_valueTYPEREFTOlr_salv_wd_tableTYPEREFTOiwci_salv_wd_table,lr_table_settingsmethodALV_TABLE_SETTINGS.l_valueTYPEREFTOlr_salv_wd_tableTYPEREFTOiwci_salv_wd_table,lr_table_settingsTYPEREFTOif_salv_wd_table_settings.**********GETMODEL*getConfigurationModelfromALVComponent:ThisreferenceisusedtosetALVl_value=lr_salv_wd_table->get_model(l_value-=CL_WD_TOOLBAR=>E_VISIBLE-visiblel_value- abap_falsel_value->IF_SALV_WD_STD_FUNCTIONS~SET_DISPLAY_SETTINGS_ALLOWED(abap_false).l_value->IF_SALV_WD_STD_FUNCTIONS~SET_EXPORT_ALLOWED(abap_false).l_value- abap_falsel_value->IF_SALV_WD_STD_FUNCTIONS~SET_FILTER_FILTERLINE_ALLOWED(abap_false PLEX_ALLOWED(abap_false).l_value->IF_SALV_WD_STD_FUNCTIONS~SET_EDIT_UNDO_ALLOWED(abap_false).l_value->IF_SALV_WD_STD_FUNCTIONS~SET_EDIT_CHECK_AVAILABLE(abap_false). PLEX_ALLOWED(abap_false).l_value->IF_SALV_WD_STD_FUNCTIONS~SET_DIALOG_SETTINGS_ALLOWED(abap_false).l_value- l_value->IF_SALV_WD_STD_FUNCTIONS~SET_PDF_ALLOWED(abap_falsel_value- abap_falsel_value->IF_SALV_WD_STD_FUNCTIONS~SET_SORT_HEADERCLICK_ALLOWED(abap_false).l_value->IF_SALV_WD_STD_FUNCTIONS~SET_EXPORT_ALLOWED(abap_false).*******AddoneUser-lr_user_function1typerefto **Thefunctionisadata:lr_save_buttontypereftolv_button_texttypecreateobjectlv_button_text=*****************INITMODEL****************TABLESETTINGSinitlr_table_settings?=l_value"lr_table_settings->set_visible_row_count(wd_this->W_NUM)."lr_table_settings->set_first_visible_row('1')."lr_table_settings->DELETE_HEADER().data:data:lo_designtypeWDY_UIE_LIBRARY_ENUM_TYPE,"CL_WD_TABLE=>T_DESIGN,lw_design2likeCL_WD_TABLE=>E_DESIGN-STANDARD.lo_design=lr_table_settings->GET_DESIGN(lr_table_settings->SET_DESIGN(CL_WD_TABLE=>E_DESIGN-ALTERNATING*Maketableeditable******************TABLEHEADER**************************DATA:lr_headerTYPEREFTOcl_salv_wd_header,l_header lr_header=lr_table_settings->get_header(*************SETSTANDARDFUNCTIONSr_model=l_valueALVmethodALV_COLUM_SETTINGS.l_valueTYPEREFTOcl_salv_wd_config_table,lr_salv_wd_tableTYPEREFTOiwci_salv_wd_table.methodALV_COLUM_SETTINGS.l_valueTYPEREFTOcl_salv_wd_config_table,lr_salv_wd_tableTYPEREFTOiwci_salv_wd_table.*****************GETMODELgetConfigurationModelfromALVComponent:ThisreferenceisusedtosetALVl_value=lr_salv_wd_table->get_model(****************COLUMNSETTINGSinitDATA:lr_column_settingsTYPEREFTOif_salv_wd_column_settings.lr_column_settings?=l_value.getgettableofcolumnsettings-eachlineonecolumnDATA:lt_columnsTYPEsalv_wd_t_column_ref.lt_columns=lr_column_settings->get_columns().loopovertable-ineachloopanothercolumncanbemodifiedDATA:ls_columnTYPEsalv_wd_s_column_ref,lo_headertypereftodefinevisibleLOOPATlt_columnsINTOlo_header=ls_column-r_column->CREATE_HEADER().CASEls_column-id.****Forwhenlo_header->SET_TEXT(value='Material').when'DESCRIPTION'.lo_header->SET_TEXT(value='Description').when'VOLUME'.lo_header->SET_TEXT(value='Volume').when'VOLUMEUNIT'.lo_header->SET_TEXT(value='VolumeUnit').when'GWEIGHT'.lo_header->SET_TEXT(value='GrossWeight').when'WEIGHTUNIT'.lo_header->SET_TEXT(value='WeightUnit').when'BASEUNIT'.lo_header->SET_TEXT(value='BaseUnitofMeasure').when'MATGROUP'.lo_header->SET_TEXT(value='MaterialGroup').when'SALESUNIT'.lo_header->SET_TEXT(value='SalesmethodALV_CELL_VARIANT作用：设置ALV的不同Cell的显示（inputmethodALV_CELL_VARIANTl_valueTYPEREFTOcl_salv_wd_config_table,lr_salv_wd_tableTYPEREFTOiwci_salv_wd_table.************GETMODELgetConfigurationModelfromALVComponent:ThisreferenceisusedtosetALVl_value=lr_salv_wd_table->get_model(******MASTERTABLESETTINGS->WILLWINgetflightsfromDATA: TYPEREFTOlt_materialTYPE ls_materialTYPE lr_node=wd_context->get_child_node('MATERIAL'lr_node->get_static_attributes_table(IMPORTINGtable=lt_material******ALVMODELSETTINGSDATA:lr_column_settingsTYPEREFTOaccesscolumnsettingslr_column_settings?=l_value.lt_columns=lr_column_settings->get_columns(LOOPATlt_columnsINTO**********CREATETEXTVIEWCELLVARIANTFOREACHCOLUMNcreateDATA:lr_cvTYPEREFTOcl_salv_wd_cv_standard.CREATEOBJECTlr_cv.lr_cv->set_key('TEXT_VIEW'createDATA:lr_textviewTYPEREFTOcl_salv_wd_uie_text_view.CREATEOBJECTlr_textview.definecellvariantTEXT_VEIWtobeatextviewlr_cv->set_editor(lr_textview).relaterelatecellvarianttoallforanycell,thiscellvariantwillbeusedifthemastertablecontainsentryTEXT_VIEWincolumnls_column-r_column->set_sel_cell_variant_fieldname('CELLVARIANT'DATA:lr_input_fieldTYPEREFTOcl_salv_wd_uie_input_field.CREATEOBJECTlr_input_fieldvalue_fieldname=ls_column-ls_column-r_column->set_cell_editor(lr_input_fieldAction:Read_data在EM_VIEW注意，现在它传的是READGET_ALV_METHOD中，可以判断它将执 P_CONTROLLER- 作用：打开一个pop-upwindow,调用W_CHOOSE_OBJECT这个windowmethodmethodOPEN_POP_UP_WINDOWTYPEREFTOTYPEREFTYPEREFTOTYPEponent=wd_this->wd_get_api(lo_window_manager lv_win_title='ReferenceDataFromlo_window=>create_window(window_name= = = =if_wd_window=>co_msg_type_none =abap_false).methodWD NIT.TYPEREFTOif_wd_view_controller,TYPEREFTOif_wd_window_controller,TYPEREFTO*methodWD NIT.TYPEREFTOif_wd_view_controller,TYPEREFTOif_wd_window_controller,TYPEREFTO*RegistertheeventhandlerfortheOK-buttonanddisablethebutton. =wd_this->wd_get_api().lo_window_ctlr=lo_api->get_embedding_window_ctlr().IFlo_window_ctlrISBOUND. =lo_window_ctlr->get_window().IFlo_popupISBOUND.lo_popup- = = =lo_apilo_popup- = = =lo_apiDATA TYPEREFTODATAlo_nd_dropdown_key_infoTYPEREFTOif_wd_context_node_info.DATAlt_value_set DATAls_value_set *forObject =wd_context->get_child_node(name='SEARCH').lo_nd_dropdown_key_info=lo_nd_dropdown_key->get_node_info().**definelistls_value_set-VALUE='Contains'.ls_value_set-text='Contains'.APPENDls_value_setTOlt_value_set.ls_value_set-VALUE='Equals'.ls_value_set-text='Equals'.APPENDls_value_setTOlt_value_set.ls_value_set-VALUE='StartWith'.ls_value_set-text='StartWith'.APPENDls_value_setTOlt_value_set.ls_value_set-VALUE='EndWith'.ls_value_set-text='EndWith'.APPENDls_value_setTOlt_value_set.lo_nd_dropdown_key_info- =value_set=lt_value_set)*ALV:allobjectfrommethodmethodCHOOSE_ALVdata:typereftotypereftoIf_Wd_Context_Element,typestring.ifwd_this->g_acttype=ls_materialtypewd_this-lt_materialtypestandardtableofwd_this-navigatefrom<CONTEXT>to<FLIGHTS>vialeadselection=wd_Context->get_Child_Node(Name='SELE_MATERIAL'bindlocal wd_this->w_num=5.ls_material-MATERIAL='H10'.ls_material-DESCRIPTION='ABBBBBdd'.ls_material-VOLUME='2.000'.ls_material-VOLUMEUNIT='L'.ls_material-GWEIGHT='1.400'.ls_material-WEIGHTUNIT='G'.ls_material-BASEUNIT='PC'.ls_material-MATGROUP='YBT01'.ls_material-SALESUNIT=''.appendls_materialtolt_material.ls_material-MATERIAL=ls_material-DESCRIPTION='MaterialH112'.ls_material-VOLUME='3.000'.ls_material-VOLUMEUNIT='L'.ls_material-GWEIGHT='1.000'.ls_material-WEIGHTUNIT='G'.ls_material-BASEUNIT='PC'.ls_material-MATGROUP='YBT01'.ls_material-SALESUNIT='appendls_materialtolt_material.ls_material-MATERIAL=ls_material-DESCRIPTION='MaterialH113'.ls_material-VOLUME='3.000'.ls_material-VOLUMEUNIT='L'.ls_material-GWEIGHT='1.000'.ls_material-WEIGHTUNIT='G'.ls_material-BASEUNIT='PC'.ls_material-MATGROUP='YBT01'.ls_material-SALESUNIT=''.appendls_materialtolt_material.ls_material-MATERIAL=ls_material-DESCRIPTION='MaterialH114'.ls_material-VOLUME='3.000'.ls_material-VOLUMEUNIT='L'.ls_material-GWEIGHT='1.000'.ls_material-WEIGHTUNIT='G'.ls_material-BASEUNIT='PC'.ls_material-MATGROUP='YBT01'.ls_material-SALESUNIT=''.appendls_materialtolt_material.describetablelt_materiallineswd_this-sortlt_materialbyMATERIAL.lo_Node->bind_table(lt_material).ifwd_this->g_acttype='VEN'.ls_vendortypewd_this-lt_vendortypestandardtableofwd_this-navigatefrom<CONTEXT>to<FLIGHTS>vialeadselectionlo_Node=wd_Context->get_Child_Node(Name='SELE_VENDOR').bindlocaltablels_vendor-LIFNR='Vendor-ls_vendor-NAME1='Vendor01-testfor01name1'.ls_vendor-NAME2='Vendor01-testfor01name2'.appendls_vendortolt_vendor.ls_vendor-LIFNR='Vendor-ls_vendor-NAME1='Vendor02-testfor02'.ls_vendor-NAME3='Vendor02-testfor02name3'.appendls_vendortolt_vendor.ls_vendor-LIFNR='Vendor-ls_vendor-NAME1='Vendor03-testfor03'.appendls_vendortolt_vendor.ls_vendor-LIFNR='Vendor-ls_vendor-NAME1='Vendor04-testfor04'.appendls_vendortolt_vendor.ls_vendor-LIFNR='Vendor-ls_vendor-NAME1='Vendor05-testfor05'.appendls_vendortolt_vendor.describetablelt_vendorlineswd_this->w_num.lo_Node->bind_table(lt_vendor).checkifALVcomponentusageisallreadyDATA:lr_salv_wd_table_usageTYPEREF IFlr_salv_wd_table_usage-> ponent()ISINITIAL. ponent().getreferencetoALVcomponentDATA:lr_salv_wd_tableTYPEREFTOiwci_salv_wd_table.lr_salv_wd_table=wd_this->wd_cpifc_alv_child2().****setlr_salv_wd_table->SET_DATA(R_NODE_DATA=lo_Node****ALVConfig****l_valueTYPEREFTOcl_salv_wd_config_table,lr_table_settingsTYPEREFTOif_salv_wd_table_settings. getConfigurationModelfromALVComponent:ThisreferenceisusedtosetALVl_value=lr_salv_wd_table->get_model( CL_WD_TOOLBAR=>E_VISIBLE-none).tabellr_table_settings?=l_valuelr_table_settings- cl_wd_table=>e_selection_mode- initDATA:lr_column_settingsTYPEREFTOif_salv_wd_column_settings.lr_column_settings?=l_value.gettableofcolumnsettings-eachlineonecolumnDATA:lt_columnsTYPEsalv_wd_t_column_ref.lt_columns=lr_column_settings->get_columns().loopovertable-ineachloopanothercolumncanbemodifiedDATA:ls_columnTYPEsalv_wd_s_column_ref,lo_headertypereftodefinevisibleLOOPATlt_columnsINTOlo_header=ls_column-r_column->CREATE_HEADER().CASEls_column-id.****Forwhenlo_header->SET_TEXT(value='Material').when'DESCRIPTION'.lo_header->SET_TEXT(value='Description').when'VOLUME'.lo_header->SET_TEXT(value='Volume').when'VOLUMEUNIT'.lo_header->SET_TEXT(value='VolumeUnit').when'GWEIGHT'.lo_header->SET_TEXT(value='GrossWeight').when'WEIGHTUNIT'.lo_header->SET_TEXT(lo_header->SET_TEXT(value='WeightUnit').when'BASEUNIT'.lo_header->SET_TEXT(value='BaseUnitofMeasure').when'MATGROUP'.lo_header->SET_TEXT(value='MaterialGroup').when'SALESUNIT'.lo_header->SET_TEXT(value='Sales选择pop-up：选择好record后，点击View:methodmethodCHOOSE_ALV_OK*getreferencetoALVcomponentDATA:lr_salv_wd_tableTYPEREFTOiwci_salv_wd_table.lr_salv_wd_table=wd_this->wd_cpifc_alv_child2().****set"lr_salv_wd_table->DATA_CHECK(TYPEREFTOif_wd_context_node,TYPEREFTOif_wd_context_node,TYPEWDR_CONTEXT_ELEMENT_SET,TYPEREFTO ifwd_this->g_acttype= ponentcontroller=>wdctx_sele_material).elem_vent_sel_attributes=>GET_SELECTED_ELEMENTS(INCLUDING_LEAD_SELECTION=abap_trueloopatelem_vent_sel_attributesinto*getalldeclaredattributesStatic_Attributes=stru_event_attributesappendstru_event_attributestosorttabl_event_attributesby ponentcontroller=>wdctx_material).*bindnewelementtonode_attributes->bind_table(tabl_event_attributesifwd_this->g_acttype= ponentcontroller=>wdctx_sele_vendor).elem_vent_sel_attributes=>GET_SELECTED_ELEMENTS(INCLUDING_LEAD_SELECTION=abap_truelooploopatelem_vent_sel_attributesinto*getalldeclaredattributesStatic_Attributes=stru_event_attributes2appendstru_event_attributes2to=wd_context-= *bindnewelementtonode_at