Hierarchical sequential display in ALV for webdynpro ABAP

Hello,
I am doing an ALV report WebDynpro for abap. I have a situation where I have to display Open Items and all the partial payments in the ALV report. In short. In summary, I have to display a Hierarchical Table of data which two different structures of data, but linked and displayed together.
The only information I have to go about this is [Table as Hierarchy|http://help.sap.com/saphelp_nw2004s/helpdata/EN/3e/904b2624534e0db707c7314a5e1e9d/frameset.htm] in SAP Help.
If you have any pointers for programming a Hierarchical Sequential report in Webdynpro alv that would be great. Any classes, methods etc I can use or , how I can do bindings to the context etc...
Thank you for all your help.
Sumit.

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Drop down in ALV for Webdynpro ABAP

Hi Experts,
I was trying to implement one Web dynpro ABAP application that will show one ALV and ALV will content one dropdown so that user can select data from the drop down. Addtion to that, my dropdown should have data based on another column of ALV.
I have followed one article which is available in Net.
At the end of development, ALV is displayed with dropdown. Also dropdown has data binded. However, no data is visible in dropdown.
I have created one context node having four dictionary element and one elemt for dispplaying the dropdown.
In the DoInit method of view, i have written below code:
Data Declaration
DATA:
        lo_node_cskt TYPE REF TO if_wd_context_node,
        lo_el_cskt    TYPE REF TO if_wd_context_element,
        ls_cskt       TYPE wd_this->element_cskt,
        lt_cskt       TYPE wd_this->elements_cskt,
        lo_cmp_usage TYPE REF TO if_wd_component_usage,
        lv_value      TYPE REF TO cl_salv_wd_config_table,
        lr_column     TYPE REF TO cl_salv_wd_column,
        lr_drdn       TYPE REF TO cl_salv_wd_uie_dropdown_by_idx,
        ls_value_set TYPE wdr_context_attr_value,
        lv_tabix      TYPE sy-tabix,
        lv_count(2) TYPE c,
        lo_interfacecontroller TYPE REF TO iwci_salv_wd_table.
Navigate from <CONTEXT> to <CSKT> via lead selection:
lo_node_cskt = wd_context->get_child_node( name = wd_this->wdctx_cskt ).
get element via lead selection
lo_el_cskt = lo_node_cskt->get_element( ).
Get Data:
SELECT kokrs kostl datbi ktext FROM cskt INTO CORRESPONDING FIELDS OF TABLE lt_cskt.
lv_count = 0.
Populate value set
LOOP AT lt_cskt INTO ls_cskt.
    lv_tabix = sy-tabix.
    CLEAR ls_cskt-ktext.
    DO 3 TIMES.
      lv_count = lv_count + 1.
      CONCATENATE 'TEST' lv_count INTO ls_value_set-text.
      CONCATENATE 'TEST' lv_count INTO ls_value_set-value.
      if lv_tabix = 2.
       if sy-index = 2.
         EXIT.
       endif.
      endif.
      APPEND ls_value_set TO ls_cskt-valueset.
    ENDDO.
    MODIFY lt_cskt FROM ls_cskt INDEX lv_tabix TRANSPORTING ktext valueset.
ENDLOOP.
Bind data
lo_node_cskt->bind_table( lt_cskt ).
Instantiate ALV
lo_cmp_usage = wd_this->wd_cpuse_alv( ).
IF lo_cmp_usage->has_active_component( ) IS INITIAL.
    lo_cmp_usage->create_component( ).
ENDIF.
lo_interfacecontroller = wd_this->wd_cpifc_alv( ).
Bind Data to Interface Controller Node
   lo_interfacecontroller->set_data(
        r_node_data = lo_node_cskt
Get ALV reference table
   lv_value = lo_interfacecontroller->get_model( ).
Make KTEXT column as drop down
   CALL METHOD lv_value->if_salv_wd_column_settings~get_column
   EXPORTING
     id = 'KTEXT'
   RECEIVING
     value = lr_column.
Create Object for Drop down
CREATE OBJECT lr_drdn
   EXPORTING
     selected_key_fieldname = 'KTEXT'.
CALL METHOD lr_drdn->set_valueset_fieldname
EXPORTING
    value = 'VALUESET'.
CALL METHOD lr_drdn->set_type
EXPORTING
    value = IF_SALV_WD_C_UIE_DRDN_BY_INDEX=>TYPE_KEY_CONVERT_TO_VALUE.
CALL METHOD lr_column->set_cell_editor
EXPORTING
    value = lr_drdn.
CALL METHOD lv_value->if_salv_wd_table_settings~set_read_only
EXPORTING
    value = abap_false.
I am still finding the answer why data in drop down is not visible. However, I can select by clicking dropdown and blank elements (since data is not visible) can be selected.

Hey
i am using the same code except i have just modified little bit the select statement to restrict the number of entries.
and also besides writing the code in wddoinit i have added the compenent usage of alv component and added the node
having the structure ckst and after that deleting the dictionary reference to add the attribute valueset in both places
component controller and view controller and mapped them and mapped the data node of interface controller of comp
usage to this node in comp contrlr.
and adding the view container and embeding table view of alv comp there.
that's it
and here is the code which is almost same as yours except small change in select statement.
method WDDOINIT .
DATA:
lo_node_cskt TYPE REF TO if_wd_context_node,
lo_el_cskt TYPE REF TO if_wd_context_element,
ls_cskt TYPE wd_this->element_cskt,
lt_cskt TYPE wd_this->elements_cskt,
lo_cmp_usage TYPE REF TO if_wd_component_usage,
lv_value TYPE REF TO cl_salv_wd_config_table,
lr_column TYPE REF TO cl_salv_wd_column,
lr_drdn TYPE REF TO cl_salv_wd_uie_dropdown_by_idx,
ls_value_set TYPE wdr_context_attr_value,
lv_tabix TYPE sy-tabix,
lv_count(2) TYPE c,
lo_interfacecontroller TYPE REF TO iwci_salv_wd_table.
* Navigate from <CONTEXT> to <CSKT> via lead selection:
lo_node_cskt = wd_context->get_child_node( name = wd_this->wdctx_cskt ).
* get element via lead selection
lo_el_cskt = lo_node_cskt->get_element( ).
* Get Data:
SELECT kokrs kostl datbi ktext FROM cskt INTO CORRESPONDING FIELDS OF TABLE lt_cskt up to 10 rows .
lv_count = 0.
* Populate value set
LOOP AT lt_cskt INTO ls_cskt.
lv_tabix = sy-tabix.
CLEAR ls_cskt-ktext.
DO 3 TIMES.
lv_count = lv_count + 1.
CONCATENATE 'TEST' lv_count INTO ls_value_set-text.
CONCATENATE 'TEST' lv_count INTO ls_value_set-value.
if lv_tabix = 2.
if sy-index = 2.
EXIT.
endif.
endif.
APPEND ls_value_set TO ls_cskt-valueset.
ENDDO.
MODIFY lt_cskt FROM ls_cskt INDEX lv_tabix TRANSPORTING ktext valueset.
ENDLOOP.
* Bind data
lo_node_cskt->bind_table( lt_cskt ).
* Instantiate ALV
lo_cmp_usage = wd_this->wd_cpuse_alv( ).
IF lo_cmp_usage->has_active_component( ) IS INITIAL.
lo_cmp_usage->create_component( ).
ENDIF.
lo_interfacecontroller = wd_this->wd_cpifc_alv( ).
* Bind Data to Interface Controller Node
lo_interfacecontroller->set_data(
r_node_data = lo_node_cskt
* Get ALV reference table
lv_value = lo_interfacecontroller->get_model( ).
* Make KTEXT column as drop down
CALL METHOD lv_value->if_salv_wd_column_settings~get_column
EXPORTING
id = 'KTEXT'
RECEIVING
value = lr_column.
* Create Object for Drop down
CREATE OBJECT lr_drdn
EXPORTING
selected_key_fieldname = 'KTEXT'.
CALL METHOD lr_drdn->set_valueset_fieldname
EXPORTING
value = 'VALUESET'.
CALL METHOD lr_drdn->set_type
EXPORTING
value = IF_SALV_WD_C_UIE_DRDN_BY_INDEX=>TYPE_KEY_CONVERT_TO_VALUE.
CALL METHOD lr_column->set_cell_editor
EXPORTING
value = lr_drdn.
CALL METHOD lv_value->if_salv_wd_table_settings~set_read_only
EXPORTING
value = abap_false.
endmethod.
thanks
sarbjeet

How to use traffic lights concept in alv in webdynpro abap

Hai ,
How to use traffic lights concept for alv in webdynpro abap. If possible give me some code.

Hi Ravi,
You can create ICON to get traffic light.
Go through this step by step.. in this example
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/1190424a-0801-0010-84b5-ef03fd2d33d9?quicklink=index&overridelayout=true
Please go through this...
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Hi All,
Can any one suggest how to restrict the no of records to be displayed in the portal in the ALV through webdynpro ABAP.
Thanks & Regards,
Sreelatha Gullapalli.

HI,
If you want to change the Source (Design time) then you can do that via the alv configuration.
Something like this in the component SALV_WD_COLUMNS_UI
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Why do we go for Webdynpro ABAP?

Hi All,
Why do we go for Webdynpro ABAP and How is it beneficial comparing with other technologies in SAP?
Thanks
Gopi.

hi ,
u may wish to like to go thru this WIKI
http://wiki.sdn.sap.com/wiki/display/WDABAP/General+Issues#GeneralIssues-1.95
in whch WD ABAP is compared with WD JAVA , BSP , JSP and HTMLB and mobile infrastrucutre .
u may wish to go thru these WD ABAP tutorials :
http://help.sap.com/saphelp_nw2004s/helpdata/en/03/0048413e466e24e10000000a155106/content.htm
Main Topic Page:
http://sdn.sap.com/irj/sdn/nw-wdabap#section2
Tutorials for Beginners:
Web Dynpro for ABAP: Tutorials for Beginners [original link is broken]
eLearning Videos:
/people/thomas.jung/blog/2006/06/20/web-dynpro-abap-demonstration-videos
go thru this quote by thomas
The designers of WDA didn't want to lock developers into having to create an extra model layer. One of the values of WDA is that it sits closely with the underlying business logic and data. Therefore it can easily reuse existing function modules or classes (or even contain SQL directly - although this isn't recommended).
There are different options for playing the role of model. You could create a faceless web dynpro component. This is sometimes used in large complex Floorplan Manager applications. However the cross-component context binding can represent a performance problem.
More often a class is used as a simple model. These are called feeder classes in POWL. But really any ABAP class can be used to separate out the logic for the model. Data from this class can be accessed and then bound to the local context. Sometimes people use the Assistance Class as a model. It is possible to share a single instance of an assistance class between a hierarchy of components - making it an efficient way to share data.
Of course there are the service call wizards. These aren't really models like in WDJ. Instead they are just shortcuts to generate context structures and code generators. However everything they generate can also be created by hand or altered after generation.
rgds,
amit

Is there something wrong with with "Floorplan Manager for WebDynpro Abap"

Hi,
Seems like there may be something wrong with the forum
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is this normal?
Cheers,
Chris

Hello,
And another thread in the same forum,
[Thread: Change Close button translation in FPM screen |Change Close button translation in FPM screen;
where the person closing the thread has stated
P.S. I did not see radio buttons for rewarding points. I don't how to do it then
seems like there is some problem in this forum.
Could you please investigate?
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Chris

Display RSS flows in WebDynpro ABAP

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I was surprised that my search in this topic on "RSS" did not return any result.
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Thanks
Yann

Your question isn't really Web Dynpro ABAP centric. The process to consume and parse the RSS is indepent of the use of classic dynpro, BSP, or Web Dynpro ABAP as the UI. You are probably just going to use the CL_HTTP_CLIENT class to make the HTTP call from ABAP and then parse the RSS with XML or an XSLT. Brian McKellar wrote a nice blog on this some time ago.
/people/brian.mckellar/blog/2004/06/25/bsp-programming-rss-httpclient-xml-xslt
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Display pdf file using webdynpro abap

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I created an IView for a WebDynpro ABAP application. This application uses a UI element TimedTrigger. Without portal integration this TimedTrigger works fine. Inside an IView this TimedTrigger element does not work anymore. Did anyone have a similar problem? Does anyone have a solution for this?
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Marc

hi,
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[****************/Tutorials/WebDynproABAP/TransactionCode/Create.htm]
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Regards,
Rohit

Personalization data for WebDynpro ABAP application ?

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Greetings
Prashant

Hi Prashant,
it is stored in the ABAP system - not the portal, so no issues about running outside the portal.
This is different to WDJ pagebuilder configuration/personalisation - which is stored in the portal!
you can see some of the personalisation framework that is used for things like storing POWL user preferences etc in the backend via the IMG path
Cross-Application Components --> General Application Functions --> Generic SAP Business Suite Functions --> Personalization (sic) .
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Chris

Getting Pernr for WebDynpro ABAP application

I am building a new WebDynpro ABAP application and I want to be able to get the PERNR for the user logged into the portal and this application.
I have read some information on this forum about getting the URL or application parameters in order to get the userid or similiar parameters and to handle this within the Window in the HANDLEDEFAULT method of a WebDynpro ABAP application.
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Has anyone come across this scenario before and how was it handled in terms of getting the userid and PERNR?

I was thinking that SY-UNAME would be available, but was not sure. For some reason, I was thinking I was going to have to pass something from the applicaton parameters or some other method to my WebDynpro ABAP program..
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Portal application parameters for webdynpro ABAP

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Hi,
In the Portal,
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Pls refer this if helpful.
Company.UserName
Company.UserSignature
Pls refer to this link -
http://java.sun.com/j2ee/sdk_1.2.1/techdocs/api/javax/servlet/http/HttpServletRequest.html#getUserPrincipal
Reward if helpful.
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Changing the text and the order of columns in ALV for WebDynpro

Hello experts, im using ALV in WebDynpro, and i have this code:
lr_column = lo_value->if_salv_wd_column_settings~get_column( 'ZNC_MONTO_LIQ' ).
lr_column_header = lr_column->get_header( )
lr_column_header->set_text( 'IMPORTE' ).
but this code, doesn't change the title of the column.
the same happens when i put the visibility in "none" or when i change the position of the column
Anyone can tell why this is happening?
Thanks!

You can't set the text of the generated header directly. You have to first delete the standard header and create a new one. You can then override the header text.
l_column = l_table->if_salv_wd_column_settings~get_column( 'CREATED_AT' ).
l_column->delete_header( ).
l_header = l_column->create_header( ).
l_header->set_text( `Created At` ).

About list dynamic images in ADS for WebDynPro ABAP

Hi All
I find a blog and try it on my server .
I had added theimage in se78, During debugging, everything seems to get filled correctly,
but r the image doesn't display in UI - Image file   Q_Q
Please help
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http://www.sdn.sap.com/irj/scn/weblogs;jsessionid=(J2EE3417700)ID0559322050DB00377446485733506510End?blog=/pub/wlg/7783

Sorry    I late >"<
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      p_id           = 'BMAP'
      p_btype        = 'BCOL'
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      internal_error = 2
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Configuring alv in webdynpro abap

Hi ,
      i m trying to create meeting planner application , on one view i want to display location booking information in alv with columns havaing headings as dates like 1-APR-09 ,2-APR-09 ....ETC   of week & rows names marked with time of day like 7:00 ,8:00 ...etc   HOW I CAN SET THE FIELD CATALOG DYNAMINCALLY FOR THE ALV IN WEB DYNPRO ABAP

Hi,
Please check out this code.
Use the cl_alv_table_create=>create_dynamic_table
to cretate a dynamic FCAT.
DATA:
lt_fcat              TYPE lvc_t_fcat,          " Field Catalog
lt_table          TYPE REF TO data,         " Dynamic Internal Table
ls_line              TYPE REF TO data,         " Line Type of Dynamic Table
DATA:
    lt_efforts             TYPE REF TO data,
    lr_s_eff               TYPE REF TO cl_abap_typedescr,
    lr_t_eff               TYPE REF TO cl_abap_tabledescr,
    lr_handler_eff         TYPE REF TO data,
    lr_strucdescr          TYPE REF TO cl_abap_structdescr,
    lr_nd_eff              TYPE REF TO if_wd_context_node,
    lr_nd_eff_info         TYPE REF TO if_wd_context_node_info,
    lr_nd_root_info        TYPE REF TO if_wd_context_node_info,
    lo_cmp_usage           TYPE REF TO if_wd_component_usage,
    lo_INTERFACECONTROLLER TYPE REF TO IWCI_SALV_WD_TABLE,
    lv_value               TYPE ref to cl_salv_wd_config_table.
FIELD-SYMBOLS:
    <fs_table>    TYPE STANDARD TABLE.
* fill the LV_T_FCAT to have your own fields
* To create a dynamic table importing field catalog table
    CALL METHOD cl_alv_table_create=>create_dynamic_table
      EXPORTING
        it_fieldcatalog           = lt_fcat
      IMPORTING
        ep_table                  = lt_efforts
      EXCEPTIONS
        generate_subpool_dir_full = 1
        OTHERS                    = 2.
ASSIGN lt_efforts->* TO <fs_table>.
**Get the structure
      if sy-subrc eq 0.
        MOVE cl_abap_structdescr=>describe_by_data_ref( lt_efforts ) ?TO lr_s_eff.
      endif.                                      "IF sy-subrc eq 0.
**Get the table type from the structure
      lr_t_eff ?= lr_s_eff.
**Create handler for table type
      CREATE DATA lr_handler_eff TYPE HANDLE lr_t_eff.
      ASSIGN lr_handler_eff->* TO <fs_tab_efforts2>.
      <fs_tab_efforts2> = <fs_tab_efforts1>.
**Get the Structure from the Table Object
      lr_strucdescr ?= lr_t_eff->get_table_line_type( ).
** create node dynamically
      lr_nd_root_info         = wd_context->get_node_info( ).
      lr_nd_eff_info         = lr_nd_root_info->add_new_child_node(
      name                   = wd_assist->gc_periodcost      "PERIODCOST'
      static_element_rtti    = lr_strucdescr                 "RTTI structure
      is_static              = abap_false
      is_mandatory           = abap_false
      is_mandatory_selection = abap_false
      is_multiple            = abap_true
      is_multiple_selection = abap_true
      is_singleton           = abap_false ).
** bind table to node
      lr_nd_eff = wd_context->get_child_node( NODENAME ).
      lr_nd_eff->bind_table( <fs_tab_efforts2> ).
**If ALV component is initial, then create it
      lo_cmp_usage =   wd_this->wd_cpuse_u_alv_pwc( ).
      if lo_cmp_usage->has_active_component( ) is initial.
        lo_cmp_usage->create_component( ).
      endif.                                   "IF lo_cmp_usage->has_active_component( ) is initial.
** Get reference of ALV interface controller
      lo_INTERFACECONTROLLER =   wd_this->wd_cpifc_u_alv_pwc( ).
      if lo_interfacecontroller is not initial.
        lo_interfacecontroller->set_data(
*   only_if_new_descr =                 " wdy_boolean
          r_node_data =   lr_nd_eff           " ref to if_wd_context_node
        lv_value = lo_interfacecontroller->get_model( ).
Regards,
Lekha.

Hierarchical sequential display in ALV for webdynpro ABAP

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