How to call Custom or Component Controller methods from View Controller

Question

Hy Guys,
how do I call Custom Controller or Component controller methods from a View or Context Controlller?
thanks in advance
Jürgen

Answer 1

Hi Juergen
Yes it is possible, pls follow the below approach to access the component controller in context node class
1) since the standard component controller class is protect variable , declare a variable of type component controller in your controller class.
say for example the public variable you declared is  g_comp_controller
2)  now redefine the controller class method WD_CREATE_CONTEXT  and add the below lines of code
   g_comp_controller ?= me->comp_controller.
3) go to context node class  (CNXX)  there declare the varaible which of type controller class (IMPL)  as public variable, for example g_owner
4) redefine the method  IF_BSP_MODEL~INIT  and write the below code
     CALL METHOD super->if_bsp_model~init
    EXPORTING
      id    = id
      owner = owner.
  g_owner ?= owner.
5) now the variable   g_owner  that is declared in  (CNXX)   contains reference to your controller class
6) in  on_new_focus  method access your component controller in the below manner and access the entities also.
DATA: lv_owner                    TYPE REF TO xxxxx_impl,  " Implementation class
             lr_comp_cont                TYPE REF TO xxxx_bspwdcomponen_impl, " component controller class
             lv_entity type ref to cl_crm_bol_entity.
lv_owner ?= g_owner.
lr_comp_cont    ?= lv_owner->g_comp_controller.
IF lr_comp_cont IS BOUND.
   lv_entity ?= lr_comp_cont->typed_context->mdfcampaign->collection_wrapper->get_current( ).
now lv_entity contains the value of component controller context node.
Thanks & Regards
Raj
Edited by: bmsraj on Sep 27, 2011 3:28 PM