A problem in calling a subcontroller

I try to use the model class and call a subcontroller class to display data in another view by using the following code.
<b>In the do_init of main controller</b>
* Create the model of this class
l_model = create_model( model_id = c_model_id
class_name = lc_class_name ).
* Create sub controller
l_controller ?= create_controller(
                      controller_name = lc_control_name
                      controller_id   = c_subcontrol_id ).
controller_set_active( controller_id = c_subcontrol_id
                       active        = 0 ).
l_controller->set_model( model_id       = c_model_id
                         model_instance = l_model ).
<b>In the dispatch_input( ) of main subcontroller</b>
main_view = create_view( view_name = 'main.htm' ).
l_model ?= get_model( c_model_id ).
<i>*To separate tasks between calling a view and calling *a subcontroller, I have to have a flag, current_event, *to check whether the coming event is search. This flag *is set at the method 'do_handle_event'</i>
if current_event eq lc_search.
   l_subcontrol ?= get_controller(
                      controller_id =   c_subcontrol_id ).
   controller_set_active( controller_id = c_subcontrol_id
                          active        = 1 ).
   call_controller( l_subcontrol ).
   clear current_event.
elseif current_event is initial.
   call_view( main_view ).
endif.
In <b>the do_request of my subcontroller class</b>, I call the view of the subroutine.
<b>dispatch_input( ).</b>
l_model ?= get_model( 'mm' ).
stock_view = create_view( view_name = 'stock.htm' ).
stock_view->set_attribute(
          name = 't_display' value = l_model->t_display ).
stock_view->set_attribute( name = 'ITERATOR' value = me ).
stock_view->set_attribute( name  = 'show_popup'
                           value = show_popup ).
call_view( stock_view ).
After any event occurs in this view of subroutine, I catch this event at <b>the method do_handle_evnt</b>.
if htmlb_event is bound.
   case htmlb_event->server_event.
     when 'onSelect'.
       CLASS CL_HTMLB_MANAGER DEFINITION LOAD.
       tv ?= cl_htmlb_manager=>get_data(
                               request = request
                               name = 'tableView'
                               id = 'stock_tv_display' ).
       if tv is not initial.
          table_event = tv->data.
          row_index = table_event->row_index.
          if row_index is not initial.
             show_popup = abap_true.
          endif.
       endif.
     when others.
   endcase.
endif.
After the program run through this method, it goes back to the do_request of the parent controller, main.do without passing the do_request of subcontroller. This is my problem. <b>I don't want to call the parent controller again. And, my application has already been stateful.</b> Is there any way to prevent it? Please give me some suggestions to solve this problem.

Hello,
before we go any further into your problem, here is an important thing to know:
The method DISPATCH_INPUT is not to be overwritten - it's purpose is to just get called within DO_REQUEST of your main controller, such as to have all input values passed on to the subcontrollers.
It also says so in the method implementation of DISPATCH_INPUT in CL_BSP_CONTROLLER2:
<b>* ...
This method should normally not be overwritten, besides the handling must be changed
...</b>
Also, as I saw you posting somewhere else that you are another user/person - please do not use multiple accounts. You can always ask the SDN staff to solve problems with your accounts (if you can't use your first anymore), but creating a new one is not the way it should be.

Similar Messages

  • Have a problem in calling a subcontroller

    I try to use the model class and call a subcontroller class to display data in another view by using the following code.
    <b>In the do_init</b>
        Create the model of this class
          l_model = create_model( model_id = c_model_id
                                  class_name = lc_class_name ).
        Create sub controller
          l_controller ?= create_controller(
                                        controller_name = lc_control_name
                                        controller_id   = c_subcontrol_id ).
          controller_set_active( controller_id = c_subcontrol_id
                                 active = 0 ).
          l_controller->set_model( model_id       = c_model_id
                                   model_instance = l_model ).
    <b>In the do_request</b>
        controller_set_active( controller_id = c_subcontrol_id
                               active = 1 ).
        call_controller( l_subcontrol ).
        clear current_event.
    At the view of subcontroller, after any event occurs, the parent controller is triggered again. Why? How can I solve this problem?

    I do appreciate your immediate reponse. However, there may be some misunderstanding. Of cource, I put the checking coming event in the do_handel_event. The details of my application is shown below.
    <b>In the do_init method</b>, all source code is the same that I posted. It has creating a model class and then a subcontroller class.
    <b>In the do_request method</b>, I have a code like this.
      <b>dispatch_input( ).</b>
      main_view =
            create_view( view_name = 'main.htm' ).
      l_model ?= get_model( c_model_id ).
    <i>To separate tasks between calling a view and calling a subcontroller, I have to have a flag, <b>current_event</b>, to check whether the coming event is search. This flag is set at the method <b>'do_handle_event'</b></i>
    if  current_event eq lc_search.
        l_subcontrol  ?=  get_controller( controller_id = c_subcontrol_id ).
        controller_set_active( controller_id = c_subcontrol_id
                               active = 1 ).
        call_controller( l_subcontrol ).
        clear current_event.
      elseif current_event is initial.
        call_view( main_view ).
      endif.
    In the do_request of my subcontroller class, I call the view of the subroutine.
    dispatch_input( ).
      l_model ?= get_model( 'mm' ).
      stock_view  =  create_view( view_name = 'stock.htm' ).
      stock_view->set_attribute(
                         name = 't_display' value = l_model->t_display ).
      stock_view->set_attribute( name = 'ITERATOR' value = me ).
      stock_view->set_attribute( name = 'show_popup' value = show_popup ).
      call_view( stock_view ).
    After any event occurs in this view of subroutine, I catch this event at the method do_handle_evnt.
    if htmlb_event is bound.
        case htmlb_event->server_event.
          when  'onSelect'.
            CLASS CL_HTMLB_MANAGER DEFINITION LOAD.
            tv  ?=  cl_htmlb_manager=>get_data(
                                          request  =  request
                                          name     =  'tableView'
                                          id       =  'stock_tv_display' ).
            if tv is not initial.
              table_event  =  tv->data.
              row_index    =  table_event->row_index.
              if row_index is not initial.
                show_popup  =  abap_true.
              endif.
            endif.
          when  others.
        endcase.
      endif.
    After the program run through this method, it goes back to the do_request of the parent controller, main.do. This is my problem. <b>I don't want to call the parent controller again. And, my application has already been stateful.</b> Is there any way to prevent it. I sincerely appologize if I couldn't catch what you said. But, please give me some suggestions to solve this problem.
    Message was edited by: Amateur willbeProfessional
    Message was edited by: Amateur willbeProfessional

  • Calling a subcontroller

    hi all,
    i have a problem regarding calling a subcontroller on pushbutton event. Actually i want to display a tableview in tray through this subcontroller.
    The content of tableview is coming according to my queries but the tray is not displaying.
    In runtime error i find that error is <htmlb:tray> Class <htmlb:event>(cl_htmlb_content) was not found as BSP parent elemnt.
    I am not able to figure out it completely as my scenario is very much similar to what has been given in ITMVC2 application.And there is not much
    difference in key things.
    Followings are code of view table.htm of my subcontroller table.do where i think problem lies.
    <%@page language="abap" %>
    <%@extension name="htmlb" prefix="htmlb" %>
       <htmlb:tray id="detail" title="Employee details" design="form" width="100%" isCollapsed="false">
            <htmlb:tableView id="tvX" width="100%" visibleRowCount="5" table="<%=model->emplist%>">
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    </htmlb:tray>
    Thanks for any suggestion and help.
    Amit Kumar

    Hi Max,
    Below i am giving my codes.
    MAIN CONTROLLER
    DO_INIT
    method DO_INIT.
    data: model type ref to za_model_first.
    data: empdetails type ref to cl_bsp_controller2.
    create and register model object
    model ?= create_model( class_name = 'za_model_first'
                           model_id = 'mf' ).
    create subcontroller, but initially inactive
    empdetails ?= create_controller( controller_name = 'table.do'
                                        controller_id = 'fld' ).
    controller_set_active( controller_id = 'fld'
                           active = 0 ).
    empdetails->set_model( model_id = 'mf'
                              model_instance = model ).
    endmethod.
    DO_REQUEST
    method DO_REQUEST.
    data: page type ref to if_bsp_page.
    data: model type ref to za_model_first.
    data: subcontroller type ref to cl_bsp_controller2.
    dispatch_input( ).
    page = create_view( view_name = 'first.htm' ).
    model ?= get_model( 'mf' ).
    page->set_attribute( name = 'manager' value = model->manager ).
    page->set_attribute( name = 'show_tray' value = show_tray ).
    call method runtime->server->request->get_cookie
    exporting name = 'logname'
    importing value = logname.
    CALL METHOD page->SET_ATTRIBUTE
                EXPORTING
                       NAME = 'logname'
                       VALUE = logname.
    call method runtime->server->request->get_cookie
    exporting name = 'post'
    importing value = post.
    CALL METHOD page->SET_ATTRIBUTE
                EXPORTING
                       NAME = 'post'
                       VALUE = post.
    call_view( page ).
    if model->manager is not initial.
      subcontroller ?= get_controller( controller_id = 'fld' ).
      controller_set_active( controller_id = 'fld'
                             active = 1 ).
      call_controller( subcontroller ).
    else.
      controller_set_active( controller_id = 'fld'
                             active = 1 ).
    endif.
    DO_HANDLE_EVENT
    method DO_HANDLE_EVENT .
    DATA: table_event type ref to CL_HTMLB_EVENT,
      DATA: model type ref to za_model_first.
      DATA: event_id type string.
      data page type ref to if_bsp_page.
    event_id = event.
    if htmlb_event is not initial.
      event_id = htmlb_event->id.
    endif.
    data:fields type TIHTTPNVP,
      wa_fields like line of fields.
      CALL METHOD request->if_http_entity~get_form_fields
        CHANGING
          fields = fields.
      loop at fields into wa_fields where name = 'manager'.
        manager = wa_fields-value.
      endloop.
    case event_id.
    when 'go'.
                   model ?= get_model( 'mf' ).
                   if model is not initial.
                      show_tray = 'X'.
                      model->manager = manager.
                   endif.
    when 'cpwd'.
             navigation->goto_page( 'cpwd.do' ).
    endcase.
    sub controller:
    Only DO_REQUEST
    method DO_REQUEST.
    data: model type ref to za_model_first.
    data: view type ref to if_bsp_page.
    model ?= get_model( 'mf' ).
    if model is not initial.
    model->init( ).
      view = create_view( view_name = 'table.htm' ).
      view->set_attribute( name = 'model' value = model ).
      call_view( view ).
    endif.
    endmethod.

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    Hi All,
    Please tell me the solution, I have problem in calling a method I am posting the code also
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    Hi All,
    Please tell me the solution, I have problem in
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    System.out.println("Two:Object created");
    public static void main(String arg[])throws
    Exception
    System.out.println("Two:executing the main
    method");
    System.out.println("Two:loading the class and
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    System.out.println("Two:executing the static
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    What are you trying to do, exactly, anyway? You'd probably be better served by placing a call to onApplicationStart within onRequestStart in Application.cfc, if your goal is to refresh the application based on some condition:
    <cffunction name="onRequestStart">
         <cfif someCondition>
              <cfset onApplicationStart()>
         </cfif>
    </cffunction>
    Dave Watts, CTO, Fig Leaf Software
    http://www.figleaf.com/
    http://training.figleaf.com/

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