1,读取节点信息
方法一：
data:
lv_index type int4,
lr_entity type ref to cl_crm_bol_entity。
call method cl_thtmlb_util=>get_event_info
exporting
iv_event = htmlb_event_ex
importing
ev_index = lv_index.
check lv_index is not initial.
* Get the current entity
lr_entity ?= me->typed_context->ztcrm_qual_items->collection_wrapper->find( iv_index = lv_index ).
方法二：
data: lv_event type string,
lv_index type string,
lv_row_index type i,
lr_col type ref to cl_crm_bol_entity,
split htmlb_event_ex->event_defined at '.' into lv_event lv_index.
* convert row index
lv_row_index = lv_index.
* set row index on collection
me->typed_context->paymentcards->get_bo_by_index( lv_row_index ).
lr_col ?= me->typed_context->paymentcards->collection_wrapper->get_current( ).
方法三：
data lr_entry type ref to if_bol_bo_property_access．
lr_entry = collection_wrapper->get_iterator( )->get_by_index( iv_index ).
方法四：
获取当前节点：lr_entry = collection_wrapper->if_bol_bo_col~get_current( ).
2，获取当前的组件控制器
data: lr_component type ref to zl_bt126s_a_bspwdcompone0_impl.
lr_component ?= me->comp_controller.
自定义组件
data lr_cuco type ref to zl_zrp_sale_zrpcustcomp01_impl .
lr_cuco ?= me->get_custom_controller( 'ZRP_SALESORDER/ZRPCUSTCOMP01' ).
lr_cuco->typed_context->result->set_collection( collection = lr_result ).
视图所在的组件
DATA lr_controller TYPE REF TO zl_bt111h_o_bspwdcomponen_impl .
lr_controller ?= me->comp_controller.
获取视图所在的窗口
data: lr_window type ref to cl_bsp_wd_window.
lr_window = me->view_manager->get_window_controller( ).
lr_window->call_outbound_plug( 'TOOA' ).
3，获取客户控制器
data: lr_component type ref to zl_bt126s_a_bspwdcompone0_impl.
lr_component ?= me->comp_controller.
4，列表节点中的OCA按钮设置：节点类(如 ZL_GS_CM_DOCLIST_CN01) 的GET_OCA_T_TABLE 方法
5，获取选中的一行
lr_result ?= me->typed_context->test->collection_wrapper->get_marked( ).
6，将节点设置为文本区域，并设置行数
METHOD get_p_zzfld00008z.
CASE iv_property.
WHEN if_bsp_wd_model_setter_getter=>fp_fieldtype.
rv_value = cl_bsp_dlc_view_descriptor=>field_type_textarea.
WHEN if_bsp_wd_model_setter_getter=>fp_textarea_rows.
rv_value = 20.
WHEN if_bsp_wd_model_setter_getter=>fp_tooltip.
rv_value = ''.
ENDCASE.
ENDMETHOD.
7,添加消息
DATA lr_bol_core TYPE REF TO cl_crm_bol_core.
DATA lr_message_container_manager TYPE REF TO cl_crm_genil_mess_cont_manager.
DATA lr_message_container TYPE REF TO cl_crm_genil_global_mess_cont.
* get BOL core
lr_bol_core = cl_crm_bol_core=>get_instance( ).
* get current message container manager
lr_message_container_manager = lr_bol_core->get_message_cont_manager( ).
* get message container
lr_message_container = lr_message_container_manager->get_global_message_cont( ).
*********打印开发类(se91)中的消息
CALL METHOD lr_message_container->add_message
EXPORTING
iv_msg_type = 'E'
iv_msg_id = 'ZCRM'
iv_msg_number = '003'
iv_show_only_once = abap_true.
8，报消息
data lr_msg_srv type ref to cl_bsp_wd_message_service.
lr_msg_srv = me->view_manager->get_message_service( ).
if 1 = 2.
message s282(zmn_crm) with ls_btadminh-object_id ls_status-txt30.
endif.
lv_msg_v1 = ls_btadminh-object_id.
lv_msg_v2 = ls_status-txt30.
lr_msg_srv->add_message( iv_msg_type = 'E'
iv_msg_id = 'ZMN_CRM'
iv_msg_number = '282'
iv_msg_v1 = lv_msg_v1
iv_msg_v2 = lv_msg_v2 ).
9,下拉框实现
METHOD get_p_xrf.
CASE iv_property. "直接绑定类型picklist
WHEN if_bsp_wd_model_setter_getter=>fp_fieldtype.
rv_value = cl_bsp_dlc_view_descriptor=>field_type_picklist.
ENDCASE.
ENDMETHOD.
在本节点下的实现类中定义
GR_DDLB_XRF Instance Attribute Private Type Ref To CL_CRM_UIU_DDLB
method GET_V_XRF.
DATA: lt_ddlb TYPE bsp_wd_dropdown_table,
ls_ddlb TYPE bsp_wd_dropdown_line.
DATA: lt_domain_entries TYPE STANDARD TABLE OF dd07v,
ls_domain_entries TYPE dd07v.
IF gr_ddlb_xrf IS NOT BOUND. "定义引用本节下的attribute
CREATE OBJECT gr_ddlb_xrf
EXPORTING
iv_source_type = 'T'.
CALL FUNCTION 'DD_DOMVALUES_GET'
EXPORTING
domname = 'XFELD' "域的绑定
langu = sy-langu
text = 'X'
TABLES
dd07v_tab = lt_domain_entries.
IF sy-subrc <> 0.
ENDIF.
LOOP AT lt_domain_entries INTO ls_domain_entries.
* CHECK ls_domain_entries-domvalue_l = 'Z001' OR ls_domain_entries-domvalue_l = 'Z002'.
ls_ddlb-key = ls_domain_entries-domvalue_l.
ls_ddlb-value = ls_domain_entries-ddtext.
APPEND ls_ddlb TO lt_ddlb.
ENDLOOP.
INSERT INITIAL LINE INTO lt_ddlb INDEX 1.
gr_ddlb_xrf->set_selection_table( it_selection_table = lt_ddlb ).
ENDIF.
rv_valuehelp_descriptor = gr_ddlb_xrf.
endmethod.
10,内表转换成 collection
IT_TABLE TYPE TABLE
value( RR_COLLECTION ) TYPE REF TO IF_BOL_BO_COL
method get_collection.
data: lr_data type ref to data,
lr_node type ref to cl_bsp_wd_value_node.
field-symbols: type any,
type any.
create object rr_collection type cl_crm_bol_bo_col.
loop at it_table assigning .
create data lr_data like line of it_table.
assign lr_data->* to .
= .
create object lr_node
exporting
iv_data_ref = lr_data.
rr_collection->add( lr_node ).
endloop.
endmethod.
11,collection转换成内表
IR_COLLECTION TYPE REF TO IF_BOL_BO_COL
value( ET_TABLE ) TYPE TABLE
method get_table.
data:
lr_iterator type ref to if_bol_bo_col_iterator,
lr_entry type ref to if_bol_bo_property_access,
lr_data type ref to data.
field-symbols: type any.
check ir_collection is bound.
lr_iterator = ir_collection->get_iterator( ).
check lr_iterator is bound.
create data lr_data like line of et_table.
assign lr_data->* to .
lr_entry = lr_iterator->get_first( ).
while lr_entry is bound.
lr_entry->get_properties( importing es_attributes = ).
append to et_table.
lr_entry = lr_iterator->get_next( ).
endwhile.
endmethod.
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