configuring alv in webdynpro abap

[Former Member]

Hi ,

i m trying to create meeting planner application , on one view i want to display location booking information in alv with columns havaing headings as dates like 1-APR-09 ,2-APR-09 ....ETC of week & rows names marked with time of day like 7:00 ,8:00 ...etc HOW I CAN SET THE FIELD CATALOG DYNAMINCALLY FOR THE ALV IN WEB DYNPRO ABAP

[Former Member]

Hi,

Please use the following Class methods to accomplish your task,

CL_SALV_TABLE

CL_SALV_COLUMN_TABLE

CL_SALV_COLUMN_LIST

Best Regards

Ravi Golla

[Former Member]

Hi,

Please check out this code.

Use the cl_alv_table_create=>create_dynamic_table

to cretate a dynamic FCAT.

DATA:
lt_fcat              TYPE lvc_t_fcat,          " Field Catalog 
lt_table          TYPE REF TO data,         " Dynamic Internal Table
ls_line              TYPE REF TO data,         " Line Type of Dynamic Table

  DATA:
    lt_efforts             TYPE REF TO data,
    lr_s_eff               TYPE REF TO cl_abap_typedescr,
    lr_t_eff               TYPE REF TO cl_abap_tabledescr,
    lr_handler_eff         TYPE REF TO data,
    lr_strucdescr          TYPE REF TO cl_abap_structdescr,
    lr_nd_eff              TYPE REF TO if_wd_context_node,
    lr_nd_eff_info         TYPE REF TO if_wd_context_node_info,
    lr_nd_root_info        TYPE REF TO if_wd_context_node_info,
    lo_cmp_usage           TYPE REF TO if_wd_component_usage,
    lo_INTERFACECONTROLLER TYPE REF TO IWCI_SALV_WD_TABLE,
    lv_value               TYPE ref to cl_salv_wd_config_table.

  FIELD-SYMBOLS:
    <fs_table>    TYPE STANDARD TABLE.
* fill the LV_T_FCAT to have your own fields
* To create a dynamic table importing field catalog table
    CALL METHOD cl_alv_table_create=>create_dynamic_table
      EXPORTING
        it_fieldcatalog           = lt_fcat
      IMPORTING
        ep_table                  = lt_efforts
      EXCEPTIONS
        generate_subpool_dir_full = 1
        OTHERS                    = 2.

  ASSIGN lt_efforts->* TO <fs_table>.

**Get the structure
      if sy-subrc eq 0.
        MOVE cl_abap_structdescr=>describe_by_data_ref( lt_efforts ) ?TO lr_s_eff.

      endif.                                      "IF sy-subrc eq 0.
**Get the table type from the structure
      lr_t_eff ?= lr_s_eff.

**Create handler for table type
      CREATE DATA lr_handler_eff TYPE HANDLE lr_t_eff.
      ASSIGN lr_handler_eff->* TO <fs_tab_efforts2>.
      <fs_tab_efforts2> = <fs_tab_efforts1>.

**Get the Structure from the Table Object
      lr_strucdescr ?= lr_t_eff->get_table_line_type( ).

** create node dynamically
      lr_nd_root_info         = wd_context->get_node_info( ).

      lr_nd_eff_info         = lr_nd_root_info->add_new_child_node(
      name                   = wd_assist->gc_periodcost      "PERIODCOST'
      static_element_rtti    = lr_strucdescr                 "RTTI structure
      is_static              = abap_false
      is_mandatory           = abap_false
      is_mandatory_selection = abap_false
      is_multiple            = abap_true
      is_multiple_selection  = abap_true
      is_singleton           = abap_false ).

** bind table to node
      lr_nd_eff = wd_context->get_child_node( NODENAME ).
      lr_nd_eff->bind_table( <fs_tab_efforts2> ).

**If ALV component is initial, then create it
      lo_cmp_usage =   wd_this->wd_cpuse_u_alv_pwc( ).
      if lo_cmp_usage->has_active_component( ) is initial.
        lo_cmp_usage->create_component( ).
      endif.                                   "IF lo_cmp_usage->has_active_component( ) is initial.

** Get reference of ALV interface controller
      lo_INTERFACECONTROLLER =   wd_this->wd_cpifc_u_alv_pwc( ).
      if lo_interfacecontroller is not initial.

        lo_interfacecontroller->set_data(
*   only_if_new_descr =                 " wdy_boolean
          r_node_data =   lr_nd_eff           " ref to if_wd_context_node
        ).

        lv_value = lo_interfacecontroller->get_model( ).

Regards,

Lekha.