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PUBLIC
INHERITING FROM zcl_abapgit_gui_component
FINAL
CREATE PUBLIC .
PUBLIC SECTION.
INTERFACES zif_abapgit_gui_event_handler.
INTERFACES zif_abapgit_gui_renderable.
INTERFACES zif_abapgit_gui_page_title.
METHODS constructor
IMPORTING
!it_list TYPE STANDARD TABLE
!iv_id TYPE string OPTIONAL
!iv_in_page TYPE abap_bool DEFAULT abap_false
!iv_title TYPE string DEFAULT 'Choose from list'
!iv_attr_name TYPE abap_compname OPTIONAL
!ii_item_renderer TYPE REF TO zif_abapgit_gui_render_item OPTIONAL
RAISING
zcx_abapgit_exception.
METHODS get_result_idx
RETURNING
VALUE(rv_index) TYPE i.
METHODS get_result_item
CHANGING
!cs_selected TYPE any.
METHODS was_cancelled
RETURNING
VALUE(rv_yes) TYPE abap_bool.
METHODS is_fulfilled
RETURNING
VALUE(rv_yes) TYPE abap_bool.
METHODS id
RETURNING
VALUE(rv_id) TYPE string.
METHODS is_in_page
RETURNING
VALUE(rv_yes) TYPE abap_bool.
METHODS set_id
IMPORTING
iv_id TYPE string
RETURNING
VALUE(ro_me) TYPE REF TO zcl_abapgit_gui_picklist.
METHODS set_in_page
IMPORTING
iv_in_page TYPE abap_bool DEFAULT abap_true
RETURNING
VALUE(ro_me) TYPE REF TO zcl_abapgit_gui_picklist.
PROTECTED SECTION.
PRIVATE SECTION.
CONSTANTS:
BEGIN OF c_event,
back TYPE string VALUE 'back',
choose TYPE string VALUE 'choose',
END OF c_event.
CONSTANTS c_radio_name TYPE string VALUE 'radio'.
DATA mo_form TYPE REF TO zcl_abapgit_html_form.
DATA mo_form_data TYPE REF TO zcl_abapgit_string_map.
DATA mo_form_util TYPE REF TO zcl_abapgit_html_form_utils.
DATA mo_validation_log TYPE REF TO zcl_abapgit_string_map.
DATA mr_list TYPE REF TO data.
DATA mv_selected TYPE i.
DATA mv_cancelled TYPE abap_bool.
DATA mv_fulfilled TYPE abap_bool.
DATA mv_attr_name TYPE abap_compname.
DATA mi_item_renderer TYPE REF TO zif_abapgit_gui_render_item.
DATA mv_in_page TYPE abap_bool.
DATA mv_id TYPE string.
DATA mv_title TYPE string.
METHODS get_form_schema
RETURNING
VALUE(ro_form) TYPE REF TO zcl_abapgit_html_form
RAISING
zcx_abapgit_exception.
METHODS return_state
RETURNING
VALUE(rv_state) TYPE zif_abapgit_gui_event_handler=>ty_handling_result-state.
ENDCLASS.
CLASS zcl_abapgit_gui_picklist IMPLEMENTATION.
METHOD constructor.
FIELD-SYMBOLS <lt_tab> TYPE STANDARD TABLE.
super->constructor( ).
" copy contents of table to local scope
CREATE DATA mr_list LIKE it_list.
ASSIGN mr_list->* TO <lt_tab>.
APPEND LINES OF it_list TO <lt_tab>.
mv_attr_name = to_upper( iv_attr_name ).
mi_item_renderer = ii_item_renderer.
mv_in_page = iv_in_page.
mv_id = iv_id.
mv_title = iv_title.
IF mi_item_renderer IS NOT BOUND AND mv_attr_name IS INITIAL.
zcx_abapgit_exception=>raise( 'Renderer or attr name required' ).
ENDIF.
CREATE OBJECT mo_form_data.
CREATE OBJECT mo_validation_log.
mo_form = get_form_schema( ).
mo_form_util = zcl_abapgit_html_form_utils=>create( mo_form ).
ENDMETHOD.
METHOD get_form_schema.
FIELD-SYMBOLS <lt_list> TYPE ANY TABLE.
FIELD-SYMBOLS <lv_val> TYPE any.
FIELD-SYMBOLS <ls_row> TYPE any.
DATA lv_index TYPE i.
DATA lv_label TYPE string.
ro_form = zcl_abapgit_html_form=>create( ).
ro_form->radio(
iv_name = c_radio_name
iv_label = mv_title ).
ASSIGN mr_list->* TO <lt_list>.
LOOP AT <lt_list> ASSIGNING <ls_row>.
lv_index = sy-tabix.
IF mv_attr_name IS NOT INITIAL.
ASSIGN COMPONENT mv_attr_name OF STRUCTURE <ls_row> TO <lv_val>.
ASSERT sy-subrc = 0.
lv_label = <lv_val>.
ELSEIF mi_item_renderer IS BOUND.
lv_label = mi_item_renderer->render(
iv_item = <ls_row>
iv_index = lv_index )->render( ).
ENDIF.
ro_form->option(
iv_label = lv_label
iv_value = |{ lv_index }| ).
ENDLOOP.
ro_form->command(
iv_label = 'Choose'
iv_cmd_type = zif_abapgit_html_form=>c_cmd_type-input_main
iv_action = c_event-choose
)->command(
iv_label = 'Back'
iv_action = c_event-back ).
ENDMETHOD.
METHOD get_result_idx.
rv_index = mv_selected.
ENDMETHOD.
METHOD get_result_item.
FIELD-SYMBOLS <lt_tab> TYPE STANDARD TABLE.
CLEAR cs_selected.
IF mv_selected > 0.
ASSIGN mr_list->* TO <lt_tab>.
READ TABLE <lt_tab> INDEX mv_selected INTO cs_selected.
ASSERT sy-subrc = 0.
ENDIF.
ENDMETHOD.
METHOD id.
rv_id = mv_id.
ENDMETHOD.
METHOD is_fulfilled.
rv_yes = mv_fulfilled.
ENDMETHOD.
METHOD is_in_page.
rv_yes = mv_in_page.
ENDMETHOD.
METHOD return_state.
IF mv_in_page = abap_true.
rv_state = zcl_abapgit_gui=>c_event_state-re_render.
ELSE.
rv_state = zcl_abapgit_gui=>c_event_state-go_back.
ENDIF.
ENDMETHOD.
METHOD set_id.
mv_id = iv_id.
ro_me = me.
ENDMETHOD.
METHOD set_in_page.
mv_in_page = iv_in_page.
ro_me = me.
ENDMETHOD.
METHOD was_cancelled.
rv_yes = mv_cancelled.
ENDMETHOD.
METHOD zif_abapgit_gui_event_handler~on_event.
mo_form_data = mo_form_util->normalize( ii_event->form_data( ) ).
mo_validation_log->clear( ).
CASE ii_event->mv_action.
WHEN c_event-back OR zif_abapgit_definitions=>c_action-go_back.
" Handle go_back as a "graceful back" - implicit cancel by F3/ESC
mv_fulfilled = abap_true.
mv_cancelled = abap_true.
rs_handled-state = return_state( ).
WHEN c_event-choose.
mv_selected = mo_form_data->get( c_radio_name ).
IF mv_selected = 0.
mo_validation_log->set(
iv_key = c_radio_name
iv_val = 'You have to select one item' ).
rs_handled-state = zcl_abapgit_gui=>c_event_state-re_render.
ELSE.
mv_fulfilled = abap_true.
rs_handled-state = return_state( ).
ENDIF.
ENDCASE.
ENDMETHOD.
METHOD zif_abapgit_gui_page_title~get_page_title.
rv_title = mv_title.
ENDMETHOD.
METHOD zif_abapgit_gui_renderable~render.
ri_html = zcl_abapgit_html=>create( mo_form->render(
io_values = mo_form_data
io_validation_log = mo_validation_log ) ).
register_handlers( ).
ENDMETHOD.
ENDCLASS.
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