webdynpro进阶篇案例二十动态创建UIelment并绑定Action同时设置

案例二十:UIelmentAction，同时设置这些UIelementsdynamicnit事件动态创建contextMETHOD nitDATA:TYPEREFDATA:TYPEREFTOlr_attributes_infoTYPEREFTO*getmetadatainfoofrootcontextlr_root_info=wd_context->get_node_info(NodeSOME_ATTRIBUTEScontainingattributesrelatedtocreatCALLMETHODlr_root_info- = = = = = = is_initialize_lead_selection= = =defineattributelv_attribute- =lv_attribute- =CALLMETHODlr_attributes_info- attribute_info=defineattributelv_attribute- =lv_attribute- =CALLMETHODlr_attributes_info- attribute_info=NodeMORE_ATTRIBUTEScontainingtext,whichdependsonclientcreatCALLMETHODlr_root_info- = = = = = is_initialize_lead_selection= = =defineattributelv_attribute- =lv_attribute- =CALLMETHODlr_attributes_info- attribute_info= =ModifyView中创建UI，绑定action并设置methodmethodWDDOMODIFYVIEWCHECKFIRST_TIMEisnot typeREFTOlo_contaTYPEREFTOlo_grouptypeREFTO*getthelo_ui=view->get_element('ROOTUIELEMENTCONTAINER'lo_conta?=settheCALLMETHOD container=*setCALLMETHODlo_conta- value=**usingthenodeinfogetallthechildnodes lo_node_infoTYPEREFTO lt_child_infotype ls_child_infotype lt_attributestype ls_attributestype type type TYPEREFTO TYPEREFTO TYPEREFTO lo_node_info=wd_context->get_node_info(lt_child_info=lo_node_info->GET_CHILD_NODES(**usingthenodeinfotocreateUILOOPATlt_child_infointo***onlyfor'SOME_ATTRIBUTES' IFls_child_info-NAME<> ***getalltheattributesofthis ATTRIBUTES= ***createoneInput-fieldforeach LOOPATlt_attributesintols_attributes****forthe CONCATENATEls_child_info-NAME'.'ls_attributes-NAMEinto.****fortheUI CONCATENATE'CHECKBOX_'ls_attributes-NAMEINTO****createtheCHECK CALLMETHOD = *=*=*=*=*=*=*=**=*=*=*= = =*=*=*=*=E_STATE- = *=*=*=*=*=*=E_VISIBLE- = clear: ls_parameter_info-NAME= ls_parameter_info-object=APPENDls_parameter_infoTOclear: ls_parameter_info-NAME= APPENDls_parameter_infoTO***settheCALLMETHODLO_CHECKBOX->MAP_ON_TOGGLEPARAMETERS= setlayoutdatafor CALLMETHOD element=***addtheseUIelementstothe CALLMETHODLO_CONTA- =sy- THE_CHILD= Definetwo DATA:lr_button TYPEREFTOcl_wd_button, DO2definebuttonidandbutton lv_id=sy- CONDENSE CONCATENATE'BUTTON_'lv_idINTO lv_text=sy- CONCATENATE'Button'lv_textINTOlv_textSEPARATEDBYcreate CALLMETHOD = on_action= = =setlayoutdatafor CALLMETHOD element=addparameterstosendadditionalinformationtotheactionhandler CLEAR ls_parameter_info- = ls_parameter_info-object= APPENDls_parameter_infoTO CLEAR ls_parameter_info- = ls_parameter_info-value= APPENDls_parameter_infoTO CALLMETHODlr_button- PARAMETERS=addbuttontouielement CALLMETHODLO_CONTA- the_child= Definetextview,displayingtextsetbyglobalactionhandler CALLMETHOD *=*=*=*=*=*=*=*= =*=*=*=*= *=E_DESIGN-*=*=E_DESIGN-*=*=E_H_ALIGN- = = ="='ThereisnoAny*******===E_VISIBLE-=*setlayout CALLMETHOD element=***addtheseUIelementstothe CALLMETHODLO_CONTA- = THE_CHILD= .=methodmethodONACTIONGLOBAL_ACTIONS typerefto typerefto ls_parametertypeFIELD-SYMBOLS:<fs>TYPElo_node=wd_context->get_child_node('MORE_ATTRIBUTES'lo_Elem=lo_node->get_element(readthevalueofParameterwhichisetinthe"ModifyView"READTABLEWDEVENT->PARAMETERSintols_parameterwithkeyname='PARAMET**asthevalue'stypeisassignls_parameter-VALUE->*to**这个很重要。可valuetypedata，它是RefchecktheobjectCASEOBJECT- WHEN CONCATENATE'Youhaveselectedabutton.ThebuttonID object- '.TheadditionalinformationyoupassedwasParameter INTOlv_textSEPARATEDBY WH