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Joined: 01 Sep 2007
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PostPosted: Mon Sep 10, 2007 7:56 pm    Post subject: TREE Report Reply with quote

Code:
****** CLASS DEFINITION
CLASS lcl_application DEFINITION.
  PUBLIC SECTION.
    METHODS:
      handle_node_double_click
        FOR EVENT node_double_click
        OF cl_gui_list_tree
        IMPORTING node_key,
      handle_expand_no_children
        FOR EVENT expand_no_children
        OF cl_gui_list_tree
        IMPORTING node_key,
      handle_item_double_click
        FOR EVENT item_double_click
        OF cl_gui_list_tree
        IMPORTING node_key item_name,
      handle_button_click
        FOR EVENT button_click
        OF cl_gui_list_tree
        IMPORTING node_key item_name,
      handle_link_click
        FOR EVENT link_click
        OF cl_gui_list_tree
        IMPORTING node_key item_name,
      handle_checkbox_change
        FOR EVENT checkbox_change
        OF cl_gui_list_tree
        IMPORTING node_key item_name checked.
ENDCLASS.

****** CLASS 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
    READ TABLE itab_data WITH KEY node_key = node_key INTO wa_data.
* You now have the data to do anything you wish
* ….
  ENDMETHOD.

  METHOD  handle_item_double_click.
    " this method handles the item double click event of the tree
    " control instance. You have variables node_key and item_name

    " show the key of the node and the name of the item
    " of the double clicked item in a dynpro field
    READ TABLE itab_data WITH KEY node_key = node_key INTO wa_data.
* You now have the data to do anything you wish
* ….
  ENDMETHOD.

  METHOD  handle_link_click.
    " this method handles the link click event of the tree
    " control instance

    " show the key of the node and the name of the item
    " of the clicked link in a dynpro field
    g_node_key = node_key.
    g_item_name = item_name.
  ENDMETHOD.

  METHOD  handle_button_click.
    " this method handles the button click event of the tree
    " control instance

    " show the key of the node and the name of the item
    " of the clicked button in a dynpro field
    g_node_key = node_key.
    g_item_name = item_name.
  ENDMETHOD.

  METHOD  handle_checkbox_change.
    " this method handles the checkbox_change event of the tree
    " control instance

    " show the key of the node and the name of the item
    " of the clicked checkbox in a dynpro field
    g_node_key = node_key.
    g_item_name = item_name.
  ENDMETHOD.


  METHOD handle_expand_no_children.
    DATA: node_table TYPE treev_ntab,
          node TYPE treev_node,
          item_table TYPE item_table_type,
          item TYPE mtreeitm.

* show the key of the expanded node in a dynpro field
    g_node_key = node_key.

    IF node_key = 'Child2'.                                 "#EC NOTEXT
* add the children for node with key 'Child2'
* Node with key 'New3'
      CLEAR node.
      node-node_key = 'New3'.                               "#EC NOTEXT
      node-relatkey = 'Child2'.
      node-relatship = cl_gui_list_tree=>relat_last_child.
      APPEND node TO node_table.

* Node with key 'New4'
      CLEAR node.
      node-node_key = 'New4'.                               "#EC NOTEXT
      node-relatkey = 'Child2'.
      node-relatship = cl_gui_list_tree=>relat_last_child.
      APPEND node TO node_table.

* Items of node with key 'New3'
      CLEAR item.
      item-node_key = 'New3'.
      item-item_name = '1'.
      item-class = cl_gui_list_tree=>item_class_text.
      item-length = 11.
      item-usebgcolor = 'X'. "
      item-text = 'SAPTROX1'.
      APPEND item TO item_table.

      CLEAR item.
      item-node_key = 'New3'.
      item-item_name = '2'.
      item-class = cl_gui_list_tree=>item_class_text.
      item-alignment = cl_gui_list_tree=>align_auto.
      item-font = cl_gui_list_tree=>item_font_prop.
      item-text = 'Comment to SAPTROX1'.                    "#EC NOTEXT
      APPEND item TO item_table.

* Items of node with key 'New4'
      CLEAR item.
      item-node_key = 'New4'.
      item-item_name = '1'.
      item-class = cl_gui_list_tree=>item_class_text.
      item-length = 11.
      item-usebgcolor = 'X'. "
      item-text = 'SAPTRIXTROX'.
      APPEND item TO item_table.

      CLEAR item.
      item-node_key = 'New4'.
      item-item_name = '2'.
      item-class = cl_gui_list_tree=>item_class_text.
      item-alignment = cl_gui_list_tree=>align_auto.
      item-font = cl_gui_list_tree=>item_font_prop.
      item-text = 'Comment to SAPTRIXTROX'.                 "#EC NOTEXT
      APPEND item TO item_table.
    ENDIF.

    CALL METHOD g_tree->add_nodes_and_items
      EXPORTING
        node_table = node_table
        item_table = item_table
        item_table_structure_name = 'MTREEITM'
      EXCEPTIONS
        failed = 1
        cntl_system_error = 3
        error_in_tables = 4
        dp_error = 5
        table_structure_name_not_found = 6.
    IF sy-subrc <> 0.
      MESSAGE a000(tree_control_msg).
    ENDIF.
  ENDMETHOD.

ENDCLASS.

****** DATA DEFINITIONS
* Type definitions
types: begin of itab_type,
         folder   type flag,
         node_key type mtreeitm,
         relatkey type tv_nodekey,
         type     like qmel-QMART,
         qmnum    like qmel-qmnum,
         qwrnum    like qmel-qwrnum,
       end of itab_type.

* Data Definitions
data: okcode    like sy-ucomm,
      itab_data type itab_type occurs 0,
      wa_data   type itab_type.

* Tree list definitions
class lcl_application definition deferred.
class cl_gui_cfw      definition load.

* CAUTION: MTREEITM is the name of the item structure which must
* be defined by the programmer. DO NOT USE MTREEITM!
types: item_table_type like standard table of mtreeitm
       with default key.

****** SELECTION SCREEN
*----------------------------------------------------------------------*
* Start of Selection
*----------------------------------------------------------------------*
START-OF-SELECTION.

  REFRESH: itab_data.
  PERFORM create_input_table TABLES itab_data.

* create the application object
* this object is needed to handle the ABAP Objects Events of Controls
  CREATE OBJECT g_application.
  CALL SCREEN 2000.    "Tree Report

END-OF-SELECTION.

****** SUBROUTINES
*&---------------------------------------------------------------------*
*&      Form  update_sel_screen_attributes
*&---------------------------------------------------------------------*
FORM update_sel_screen_attributes.
  LOOP AT SCREEN.

    IF screen-group1 = 'SC1'.
      screen-intensified = '1'.
      MODIFY SCREEN.
    ENDIF.
  ENDLOOP.
ENDFORM.                    " update_sel_screen_attributes

*&---------------------------------------------------------------------*
*&      Form  create_and_init_tree
*&---------------------------------------------------------------------*
FORM create_and_init_tree.
  DATA: node_table TYPE treev_ntab,
        item_table TYPE item_table_type,
        events TYPE cntl_simple_events,
        event TYPE cntl_simple_event.

* create a container for the tree control
  CREATE OBJECT g_custom_container
    EXPORTING
      " the container is linked to the custom control with the
      " name 'TREE_CONTAINER' on the dynpro
      container_name = 'TREE_CONTAINER'
    EXCEPTIONS
      cntl_error = 1
      cntl_system_error = 2
      create_error = 3
      lifetime_error = 4
      lifetime_dynpro_dynpro_link = 5.
  IF sy-subrc <> 0.
    MESSAGE a000(tree_control_msg).
  ENDIF.


* create a list tree control
  CREATE OBJECT g_tree
    EXPORTING
      parent              = g_custom_container
      node_selection_mode = cl_gui_list_tree=>node_sel_mode_single
      item_selection     = 'X'
      with_headers       = ' '
    EXCEPTIONS
      cntl_system_error           = 1
      create_error                = 2
      failed                      = 3
      illegal_node_selection_mode = 4
      lifetime_error              = 5.
  IF sy-subrc <> 0.
    MESSAGE a000(tree_control_msg).
  ENDIF.

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

  " item double click
  event-eventid = cl_gui_list_tree=>eventid_item_double_click.
  event-appl_event = 'X'.
  APPEND event TO events.

  " expand no children
  event-eventid = cl_gui_list_tree=>eventid_expand_no_children.
  event-appl_event = 'X'.
  APPEND event TO events.

  " link click
  event-eventid = cl_gui_list_tree=>eventid_link_click.
  event-appl_event = 'X'.
  APPEND event TO events.

  " button click
  event-eventid = cl_gui_list_tree=>eventid_button_click.
  event-appl_event = 'X'.
  APPEND event TO events.

  " checkbox change
  event-eventid = cl_gui_list_tree=>eventid_checkbox_change.
  event-appl_event = 'X'.
  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.
  IF sy-subrc <> 0.
    MESSAGE a000(tree_control_msg).
  ENDIF.

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

* add some nodes to the tree control
* NOTE: the tree control does not store data at the backend. If an
* application wants to access tree data later, it must store the
* tree data itself.

  PERFORM build_node_and_item_table USING node_table item_table.

  CALL METHOD g_tree->add_nodes_and_items
    EXPORTING
      node_table = node_table
      item_table = item_table
      item_table_structure_name = 'MTREEITM'
    EXCEPTIONS
      failed = 1
      cntl_system_error = 3
      error_in_tables = 4
      dp_error = 5
      table_structure_name_not_found = 6.
  IF sy-subrc <> 0.
    MESSAGE a000(tree_control_msg).
  ENDIF.

ENDFORM.                    " create_and_init_tree
*&---------------------------------------------------------------------*
*&      Form  build_node_and_item_table
*&---------------------------------------------------------------------*
FORM build_node_and_item_table
  USING
    node_table TYPE treev_ntab
    item_table TYPE item_table_type.
  DATA: node TYPE treev_node,
        item TYPE mtreeitm.

* Build the node and item table.
  LOOP AT itab_data INTO wa_data.
    CLEAR node.

    node-node_key = wa_data-node_key.
    node-relatkey = wa_data-relatkey.
    node-isfolder = 'X'.
    IF wa_data-relatkey IS INITIAL.
      CLEAR: node-relatship,
             node-exp_image,
             node-expander.
      node-hidden = ' '.
      node-disabled = ' '.
    ELSE.
      node-relatship = cl_gui_list_tree=>relat_last_child.
    ENDIF.
    APPEND node TO node_table.

* Update Items
    CLEAR item.
    item-node_key = wa_data-node_key.
    item-item_name = '1'.
    item-length = 4.
    item-class = cl_gui_list_tree=>item_class_text. " Text Item
    item-alignment = cl_gui_list_tree=>align_auto.
    item-font = cl_gui_list_tree=>item_font_prop.
    item-usebgcolor = 'X'.
    item-text = wa_data-type.
    APPEND item TO item_table.

    CLEAR item.
    item-node_key = wa_data-node_key.
    item-item_name = '2'.
    item-length = 20.
    item-class = cl_gui_list_tree=>item_class_text. " Text Item
    item-alignment = cl_gui_list_tree=>align_auto.
    item-font = cl_gui_list_tree=>item_font_prop.
    item-text = wa_data-qmnum.
    APPEND item TO item_table.

  ENDLOOP.

ENDFORM.                    " build_node_and_item_table
*&---------------------------------------------------------------------*
*&      Form  create_input_table
*&---------------------------------------------------------------------*
FORM create_input_table TABLES   p_itab_data LIKE itab_data.

  DATA: t_counter(4) TYPE n,
        t_parent(4) TYPE c,
        t_parent1(4) TYPE c,
        t_qmnum LIKE qmel-qmnum,
        t_qmnum1 LIKE qmel-qmnum.

  t_counter = 1.
  CLEAR: t_parent, t_parent1.

  IF NOT s_ecr IS INITIAL.
    SELECT qmnum qmart qwrnum
      INTO (qmel-qmnum, qmel-qmart, qmel-qwrnum)
      FROM qmel
      WHERE qmnum IN s_ecr AND
            qmart = 'C3'.

      CLEAR: wa_data.
      wa_data-folder = 'X'.
      wa_data-node_key = t_counter.
      wa_data-relatkey = t_parent.
      wa_data-type = qmel-qmart.
      wa_data-qmnum = qmel-qmnum.
      wa_data-qwrnum = qmel-qwrnum.
      APPEND wa_data TO p_itab_data.
      t_parent = t_counter.
      ADD 1 TO t_counter.

* Check for ECNs attached to this ECR
      SELECT qmnum qmart qwrnum
        INTO (qmel-qmnum, qmel-qmart, qmel-qwrnum)
        FROM qmel
        WHERE qwrnum = qmel-qmnum AND
              qmart = 'C4'.

        CLEAR: wa_data.
        wa_data-folder = 'X'.
        wa_data-node_key = t_counter.
        wa_data-relatkey = t_parent.
        wa_data-type = qmel-qmart.
        wa_data-qmnum = qmel-qmnum.
        wa_data-qwrnum = qmel-qwrnum.
        APPEND wa_data TO p_itab_data.
        t_parent1 = t_counter.
        ADD 1 TO t_counter.

* Check for ECOs attached to this ECN
        SELECT qmnum qmart qwrnum
          INTO (qmel-qmnum, qmel-qmart, qmel-qwrnum)
          FROM qmel
          WHERE qwrnum = qmel-qmnum AND
                qmart = 'C5'.

          CLEAR: wa_data.
          wa_data-folder = 'X'.
          wa_data-node_key = t_counter.
          wa_data-relatkey = t_parent1.
          wa_data-type = qmel-qmart.
          wa_data-qmnum = qmel-qmnum.
          wa_data-qwrnum = qmel-qwrnum.
          APPEND wa_data TO p_itab_data.
          ADD 1 TO t_counter.

        ENDSELECT.
        CLEAR: t_parent1.

      ENDSELECT.
      CLEAR: t_parent.

    ENDSELECT.
    CLEAR: t_parent, t_parent1.
  ENDIF.

  IF NOT s_ecn IS INITIAL.
    SELECT qmnum qmart qwrnum
      INTO (qmel-qmnum, qmel-qmart, qmel-qwrnum)
      FROM qmel
      WHERE qmnum IN s_ecn AND
            qmart = 'C4'.

      CLEAR: wa_data.
      wa_data-folder = 'X'.
      wa_data-node_key = t_counter.
      wa_data-relatkey = t_parent1.
      wa_data-type = qmel-qmart.
      wa_data-qmnum = qmel-qmnum.
      wa_data-qwrnum = qmel-qwrnum.
      APPEND wa_data TO p_itab_data.
      t_parent1 = t_counter.
      ADD 1 TO t_counter.

      t_qmnum = qmel-qmnum.
* Is an ECR attached?
      IF NOT qmel-qwrnum IS INITIAL.
        SELECT SINGLE qmnum qmart qwrnum
          INTO (qmel-qmnum, qmel-qmart, qmel-qwrnum)
          FROM qmel
          WHERE qmnum = qmel-qwrnum.
        IF sy-subrc = 0.
          CLEAR: wa_data.
          wa_data-folder = 'X'.
          wa_data-node_key = t_counter.
          wa_data-relatkey = t_parent1.
          wa_data-type = qmel-qmart.
          wa_data-qmnum = qmel-qmnum.
          wa_data-qwrnum = qmel-qwrnum.
          APPEND wa_data TO p_itab_data.
          ADD 1 TO t_counter.
        ENDIF.
      ENDIF.
      qmel-qmnum = t_qmnum.

* Check for ECOs attached to this ECN
      SELECT qmnum qmart qwrnum
        INTO (qmel-qmnum, qmel-qmart, qmel-qwrnum)
        FROM qmel
        WHERE qwrnum = qmel-qmnum AND
              qmart = 'C5'.

        CLEAR: wa_data.
        wa_data-folder = 'X'.
        wa_data-node_key = t_counter.
        wa_data-relatkey = t_parent1.
        wa_data-type = qmel-qmart.
        wa_data-qmnum = qmel-qmnum.
        wa_data-qwrnum = qmel-qwrnum.
        APPEND wa_data TO p_itab_data.
        ADD 1 TO t_counter.

      ENDSELECT.
      CLEAR: t_parent1.

    ENDSELECT.
    CLEAR: t_parent, t_parent1.
  ENDIF.

  IF NOT s_eco IS INITIAL.
    SELECT qmnum qmart qwrnum
      INTO (qmel-qmnum, qmel-qmart, qmel-qwrnum)
      FROM qmel
      WHERE qmnum IN s_eco AND
            qmart = 'C5'.

      CLEAR: wa_data.
      wa_data-folder = 'X'.
      wa_data-node_key = t_counter.
      wa_data-relatkey = t_parent.
      wa_data-type = qmel-qmart.
      wa_data-qmnum = qmel-qmnum.
      wa_data-qwrnum = qmel-qwrnum.
      APPEND wa_data TO p_itab_data.
      t_parent = t_counter.
      ADD 1 TO t_counter.

      t_qmnum = qmel-qmnum.
      IF NOT qmel-qwrnum IS INITIAL.
* Check for ECNs attached to this ECO
        SELECT qmnum qmart qwrnum
          INTO (qmel-qmnum, qmel-qmart, qmel-qwrnum)
          FROM qmel
          WHERE qmnum = qmel-qwrnum AND
                qmart = 'C4'.

          CLEAR: wa_data.
          wa_data-folder = 'X'.
          wa_data-node_key = t_counter.
          wa_data-relatkey = t_parent.
          wa_data-type = qmel-qmart.
          wa_data-qmnum = qmel-qmnum.
          wa_data-qwrnum = qmel-qwrnum.
          APPEND wa_data TO p_itab_data.
          t_parent1 = t_counter.
          ADD 1 TO t_counter.

          t_qmnum1 = qmel-qmnum.
          IF NOT qmel-qwrnum IS INITIAL.
* Check for ECRs attached to this ECN
            SELECT qmnum qmart qwrnum
              INTO (qmel-qmnum, qmel-qmart, qmel-qwrnum)
              FROM qmel
              WHERE qmnum = qmel-qwrnum AND
                    qmart = 'C3'.

              CLEAR: wa_data.
              wa_data-folder = 'X'.
              wa_data-node_key = t_counter.
              wa_data-relatkey = t_parent1.
              wa_data-type = qmel-qmart.
              wa_data-qmnum = qmel-qmnum.
              wa_data-qwrnum = qmel-qwrnum.
              APPEND wa_data TO p_itab_data.
              ADD 1 TO t_counter.

            ENDSELECT.
            qmel-qmnum = t_qmnum1.
            CLEAR: t_parent1.
          ENDIF.

        ENDSELECT.
        qmel-qmnum = t_qmnum.
        CLEAR: t_parent1.
      ENDIF.

    ENDSELECT.
    CLEAR: t_parent, t_parent1.
  ENDIF.

ENDFORM.                    " create_input_table

****** PBO Screen 2000
*&---------------------------------------------------------------------*
*&      Module  STATUS_2000  OUTPUT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
module STATUS_2000 output.
  SET PF-STATUS 'ZCM_2000'.
  SET TITLEBAR 'ZCM_2000'.

endmodule.                 " STATUS_2000  OUTPUT

*&---------------------------------------------------------------------*
*&      Module  init_data_2000  OUTPUT
*&---------------------------------------------------------------------*
module init_data_2000 output.
  if g_tree is initial.
    " The Tree Control has not been created yet.
    " Create a Tree Control and insert nodes into it.
    perform create_and_init_tree.
  endif.

endmodule.                 " init_data_2000  OUTPUT

****** PAI Screen 2000
*&---------------------------------------------------------------------*
*&      Module  USER_COMMAND_2000  INPUT
*&---------------------------------------------------------------------*
module user_command_2000 input.
  data: return_code type i.
* CL_GUI_CFW=>DISPATCH must be called if events are registered
* that trigger PAI
* this method calls the event handler method of an event
  call method cl_gui_cfw=>dispatch
    importing return_code = return_code.
  if return_code <> cl_gui_cfw=>rc_noevent.
    " a control event occured => exit PAI
    clear okcode.
    exit.
  endif.

  case okcode.
    when 'RETURN'. " Finish program
      if not g_custom_container is initial.
        " destroy tree container (detroys contained tree control, too)
        call method g_custom_container->free
          exceptions
            cntl_system_error = 1
            cntl_error        = 2.
        if sy-subrc <> 0.
          message a000(TREE_CONTROL_MSG).
        endif.
        clear g_custom_container.
        clear g_tree.
      endif.
      leave to screen 0.
  endcase.

  clear okcode.

endmodule.                 " USER_COMMAND_2000  INPUT
****** SCREEN 2000



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