REPORT  z19_002                                                     .

TYPES: node_table_type LIKE STANDARD TABLE OF mtreesnode
         WITH DEFAULT KEY.

DATA : con1_ref TYPE REF TO cl_gui_custom_container,
       tree_con_ref TYPE REF TO cl_gui_custom_container.

DATA : g_tree TYPE REF TO cl_gui_simple_tree.

DATA : grid1  TYPE REF TO cl_gui_alv_grid,
       gs_variant     LIKE disvariant,
       gs_cs_variant  LIKE disvariant,
       gs_layout     TYPE lvc_s_layo,
       gs_toolbar    TYPE ui_functions,
       gt_sort       TYPE lvc_t_sort,
       gt_sflight   TYPE TABLE OF sflight.

TYPE-POOLS: icon.

*---------------------------------------------------------------------*
*       CLASS lcl_event_receiver DEFINITION
*---------------------------------------------------------------------*
*
*---------------------------------------------------------------------*
CLASS lcl_event_receiver DEFINITION.

  PUBLIC SECTION.
    METHODS:

    handle_double_click
        FOR EVENT double_click OF cl_gui_alv_grid
            IMPORTING e_row e_column.

    METHODS : handle_toolbar
                 FOR EVENT toolbar OF cl_gui_alv_grid
                 IMPORTING e_object e_interactive.

    METHODS : handle_command
                 FOR EVENT user_command OF cl_gui_alv_grid
                 IMPORTING e_ucomm.

  PRIVATE SECTION.

ENDCLASS.                    "lcl_event_receiver DEFINITION

*---------------------------------------------------------------------*
*       CLASS LCL_APPLICATION DEFINITION
*---------------------------------------------------------------------*
*
*---------------------------------------------------------------------*
CLASS lcl_application DEFINITION.

  PUBLIC SECTION.
    METHODS:
      handle_node_double_click
        FOR EVENT node_double_click
        OF cl_gui_simple_tree
        IMPORTING node_key.

ENDCLASS.                    "LCL_APPLICATION DEFINITION

*---------------------------------------------------------------------*
*       CLASS LCL_APPLICATION IMPLEMENTATION
*---------------------------------------------------------------------*
*
*---------------------------------------------------------------------*
CLASS lcl_application IMPLEMENTATION.

  METHOD  handle_node_double_click.
    " this method handles the node double click event of the tree
    " control instance

    " show the key of the double clicked node in a dynpro field
        SELECT * FROM sflight INTO TABLE gt_sflight
        where carrid = NODE_KEY.
    perform refresh_grid.
  ENDMETHOD.                    "HANDLE_NODE_DOUBLE_CLICK

ENDCLASS.                    "LCL_APPLICATION IMPLEMENTATION

*---------------------------------------------------------------------*
*       CLASS lcl_event_receiver IMPLEMENTATION
*---------------------------------------------------------------------*
*
*---------------------------------------------------------------------*
CLASS lcl_event_receiver IMPLEMENTATION.

  METHOD handle_double_click.
    LEAVE TO SCREEN 0.
  ENDMETHOD.                           "handle_double_click

*-- Add ToolBar
  METHOD handle_toolbar.

    DATA: ls_toolbar  TYPE stb_button.

    CLEAR ls_toolbar.
    ls_toolbar-butn_type = 3.
    APPEND ls_toolbar    TO e_object->mt_toolbar.

    CLEAR ls_toolbar.
    ls_toolbar-function  = 'RESH'.
    ls_toolbar-icon      = icon_refresh.
    ls_toolbar-quickinfo = 'Refresh'.
    ls_toolbar-text      = ' '.
    ls_toolbar-disabled  = ' '.
    APPEND ls_toolbar    TO e_object->mt_toolbar.

  ENDMETHOD.                    "handle_toolbar

  METHOD handle_command.

    CASE e_ucomm.
*-  REFRESH
      WHEN 'RESH'.

        SELECT * FROM sflight INTO TABLE gt_sflight.

        perform refresh_grid.

    ENDCASE.
  ENDMETHOD.                    "handle_user_command

ENDCLASS.                    "lcl_event_receiver IMPLEMENTATION
*

DATA : event_receiver TYPE REF TO lcl_event_receiver.
DATA : g_application TYPE REF TO lcl_application.

START-OF-SELECTION.
  SELECT * FROM sflight INTO TABLE gt_sflight.

  CALL SCREEN 100.

*---------------------------------------------------------------------*
*  MODULE init_con OUTPUT
*---------------------------------------------------------------------*
*
*---------------------------------------------------------------------*
MODULE init_con OUTPUT.

  IF con1_ref IS INITIAL.
    CREATE OBJECT con1_ref
    EXPORTING container_name = 'CON1'.

    CREATE OBJECT grid1
           EXPORTING
                i_parent = con1_ref.

    PERFORM setting_layout.
    PERFORM setting_toolbar.
    PERFORM setting_sort.
    PERFORM setting_event.

    CALL METHOD grid1->set_table_for_first_display
      EXPORTING
        i_structure_name     = 'SFLIGHT'
        i_save               = 'A'
        is_variant           = gs_variant  " variant display
        i_default            = ' '
        is_layout            = gs_layout
        it_toolbar_excluding = gs_toolbar
      CHANGING
        it_outtab            = gt_sflight
        it_sort              = gt_sort.

  ENDIF.
ENDMODULE.                 " init_con  OUTPUT
*&---------------------------------------------------------------------*
*&      Module  STATUS_0100  OUTPUT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
MODULE status_0100 OUTPUT.
  SET PF-STATUS 'G100'.
*  SET TITLEBAR 'xxx'.

ENDMODULE.                 " STATUS_0100  OUTPUT

*&---------------------------------------------------------------------*
*&      Module  USER_COMMAND_0100  INPUT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
MODULE user_command_0100 INPUT.

  CASE sy-ucomm.
    WHEN 'BACK' OR 'EXIT' OR 'CANC'.
      LEAVE TO SCREEN 0.
  ENDCASE.

ENDMODULE.                 " USER_COMMAND_0100  INPUT
*&---------------------------------------------------------------------*
*&      Form  setting_layout
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*      -->P_GS_LAYOCAT  text
*----------------------------------------------------------------------*
FORM setting_layout .
*- General display options
  gs_layout-cwidth_opt = 'X'.
* TITLE BAR
  gs_layout-grid_title = 'SIMPLE TREE EVENT TEST'.
* Selection modes for SEL_MODE
  gs_layout-sel_mode = 'D'.
* Grid pattern
  gs_layout-zebra      = 'X'.
ENDFORM.                    " setting_layout
*&---------------------------------------------------------------------*
*&      Form  setting_toolbar
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*      -->P_GS_TOOLBAR  text
*----------------------------------------------------------------------*
FORM setting_toolbar.
  DATA: l_exclude TYPE ui_func.

  l_exclude = cl_gui_alv_grid=>mc_fc_save_variant.
  APPEND l_exclude TO gs_toolbar.

  l_exclude = cl_gui_alv_grid=>mc_fc_maintain_variant.
  APPEND l_exclude TO gs_toolbar.

ENDFORM.                    " setting_toolbar
*&---------------------------------------------------------------------*
*&      Form  setting_sort
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*  -->  p1        text
*  <--  p2        text
*----------------------------------------------------------------------*
FORM setting_sort .

  DATA : ls_sort TYPE lvc_s_sort.

  ls_sort-spos = '1'.
  ls_sort-fieldname = 'CARRID'.
  ls_sort-up = 'X'.
  ls_sort-subtot = 'X'.
  APPEND ls_sort TO gt_sort.

ENDFORM.                    " setting_sort
*&---------------------------------------------------------------------*
*&      Form  setting_event
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*  -->  p1        text
*  <--  p2        text
*----------------------------------------------------------------------*
FORM setting_event .
  CREATE OBJECT event_receiver.
  SET HANDLER event_receiver->handle_double_click FOR grid1.
  SET HANDLER event_receiver->handle_toolbar       FOR grid1.
  SET HANDLER event_receiver->handle_command       FOR grid1.

ENDFORM.                    " setting_event
*&---------------------------------------------------------------------*
*&      Module  init_tree  OUTPUT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
MODULE init_tree OUTPUT.
  IF g_tree IS INITIAL.
    DATA: node_table TYPE node_table_type.
    DATA : events TYPE cntl_simple_events,
           event TYPE cntl_simple_event.
    CREATE OBJECT tree_con_ref
      EXPORTING
        " the container is linked to the custom control with the
        " name 'TREE_CONTAINER' on the dynpro
        container_name = 'TREE_CONTAINER'.
* create a tree control
    CREATE OBJECT g_tree
      EXPORTING
        parent              = tree_con_ref
        " single node selection is used
        node_selection_mode = cl_gui_simple_tree=>node_sel_mode_single.

    PERFORM build_node_table USING node_table.
* node_table_structure_name     = 'MTREESNODE'
    CALL METHOD g_tree->add_nodes
      EXPORTING
        table_structure_name = 'MTREESNODE'
        node_table           = node_table.

    CREATE OBJECT g_application.

* define the events which will be passed to the backend
    " node double click
    event-eventid = cl_gui_simple_tree=>eventid_node_double_click.
    event-appl_event = 'X'. " process PAI if event occurs
    APPEND event TO events.

    CALL METHOD g_tree->set_registered_events
      EXPORTING
        events                    = events
      EXCEPTIONS
        cntl_error                = 1
        cntl_system_error         = 2
        illegal_event_combination = 3.

* assign event handlers in the application class to each desired event
    SET HANDLER g_application->handle_node_double_click FOR g_tree.

  ENDIF.

ENDMODULE.                 " init_tree  OUTPUT
*&---------------------------------------------------------------------*
*&      Form  BUILD_NODE_TABLE
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*      -->P_NODE_TABLE  text
*----------------------------------------------------------------------*
FORM build_node_table
  USING
    node_table TYPE node_table_type.

  DATA: node LIKE mtreesnode.

  CLEAR node.
  node-node_key = 'Root'.
  node-isfolder = 'X'.      " a folder.
  node-text = 'AIRPLANE'.
  APPEND node TO node_table.

  CLEAR node.
  node-node_key = 'Child1'.
  node-relatkey = 'Root'.
  node-isfolder = 'X'.
  node-text = 'CARRID'.
  node-expander = 'X' .
  APPEND node TO node_table.

  CLEAR node.
  node-node_key = 'AA'.
  node-relatkey = 'Child1'.
  node-n_image = '@10@'.
  node-text = 'AA'.
  APPEND node TO node_table.

  CLEAR node.
  node-node_key = 'AZ'.
  node-relatkey = 'Child1'.
  node-style = cl_gui_simple_tree=>style_emphasized.
  node-text = 'AZ'.

  APPEND node TO node_table.

  CLEAR node.
  node-node_key = 'DL'.
  node-relatkey = 'Child1'.
  node-expander = ' '.
*  NODE-HIDDEN = ' '.
  node-disabled = 'X'.
  node-relatship =  cl_gui_simple_tree=>relat_last_child.
  node-text = 'DL'.
  APPEND node TO node_table.

ENDFORM.                    " build_node_table
*&---------------------------------------------------------------------*
*&      Form  refresh_grid
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*  -->  p1        text
*  <--  p2        text
*----------------------------------------------------------------------*
form refresh_grid .
    DATA : l_scroll TYPE lvc_s_stbl.
        l_scroll-row = 'X'.
        l_scroll-col = 'X'.
        CALL METHOD grid1->refresh_table_display
          EXPORTING
            i_soft_refresh = ''
            is_stable      = l_scroll.
endform.                    " refresh_grid