Regarding link to action.

Hi all,
In my case i have to diplay list of records in ALV.in that ALV ,we have provide link to action,by click on this it has to display another view.
i m able to calling the next view whenever click on this .but i need to carry value of clicked one.how can i get the value of selected .
Regards,
Ravi

Hello,
Do the following to get the selected value:
You need to code this in the event handler method related to the event ON_CLICK from the ALV component.
DATA lr_bookingid TYPE REF TO bapisbodat-bookingid.
* Get the selected booking id
lr_bookingid ?= r_param->value.
R_PARAM is an importing parameter in the event ON_CLICK from the ALV component.
Regards.

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I have a GUIBB table, where a specific column is link to action.
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The question from my side is, how/where can i handle the link to action?

Hi Rene,
You can use IF_FPM_GUIBB_LIST~PROCESS_EVENT method of component configuration feeder class. In common case on manipulation with 'link-to-action' column if_fpm_guibb_list=>gc_guibb_list_on_cell_action action is triggered.
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Kind regards, Aliaksandr.

Link to action doesn't work in a POWL application

Hi,
I have developed a web dynpro ABAP application and it is called by portal,
This WD calls standard POWL, in a POWL there is a LinkToAction field.
When I click on field the system should open a new window (shopping cart detail),
but it doesn't happen anything.
which could the problem be?
Thank you.
Best regards.
Al

Hi Alberto,
1. Define an Action (corresponding to your Link to action which is typically the FIELD Name of the column in POWL Table) in your POWL feeder Implementation "IF_POWL_FEEDER~GET_ACTION" .
IF_POWL_FEEDER~GET_ACTION is a standard object of custom feeder class, how can I define a new Action?
<Vineet> See the Wiki Link http://wiki.sdn.sap.com/wiki/display/WDABAP/DocumentationInformationabout+POWL
This has a document (POWL.doc) for POWL, refer page number 20. You can use parameter C_ACTION_DEFS for explicitly defining Actions.
2. Handle the defined action in another feeder implementation "IF_POWL_FEEDER~HANDLE_ACTION".
this code could be rigth?
METHOD if_powl_feeder~handle_action.
FIELD-SYMBOLS: <shopping_cart> TYPE STANDARD TABLE.
IF i_actionid = 'SELECTION'.
triggers the event
e_portal_actions-fire_wdevent = abap_true.
Pass parameters to event
ASSIGN c_result_tab TO <shopping_cart>.
i_shopping_cart = <shopping_cart>.
selected row
READ TABLE c_selected INTO ls_selected INDEX y_index.
Read selected POWL data
READ TABLE i_shopping_cart INDEX ls_selected-TABIX INTO s_shopping_cart.
CHECK sy-subrc = 0.
Pass parameters
ls_parameter-key = 'OBJECT_ID'.
ls_parameter-value = 'I_'.
APPEND ls_parameter TO e_portal_actions-parameters.
ENDIF.
ENDMETHOD.
<Vineet> Seems good provided you have defined the action name in "your class->IF_POWL_FEEDER~GET_ACTION" as 'SELECTION'.
3. Now you need to raise an portal event from the method "IF_POWL_FEEDER~HANDLE_ACTION".
where a portal event has to be raised?
<Vineet> You have alrday raised it when you used "e_portal_actions-fire_wdevent = abap_true", as above you can additionally pass parameters as you have done in pushing some data in "e_portal_actions-parameters".
4. This Portal event will be again captured in the event "POWL_FOLLOW_UP" from POWL WD component "POWL_UI_COMP"
<Vineet>Let's assume your WD component is "MY_COMP" which uses "POWL_UI_COMP". then in the component controller or View you can handle an event "POWL_FOLLOW_UP" which is a POWL Interface event. This vene has the same action "SELECTION"a nd the parameters which you have raised from "your class->IF_POWL_FEEDER~HANDLE_ACTION".
5. You can handle this event "POWL_FOLLOW_UP" in your WD which uses "POWL_UI_COMP" and throw a pop-up from your WD component.
it is not clear point 5.
<Vineet> From the event handler of "POWL_FOLLOW_UP" you can launch another webdynpro in a po-up or a new winmdow.
Please let me knwo in case you face issue.
Regards
Vineet
thanks.
Best regards.

Link to action in editable ALV

Hi experts,
I have an editable alv with a column where I implemented the UI Element "Linktoaction" for the cells of this column. I implemented it in the WddoInit-Method in my view with the alv:
lr_column_settings ?= l_value.
lr_column = lr_column_settings->get_column( 'LINK' ).
CREATE OBJECT lr_linktoaction.
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If I have an normal InputField I need:
lr_column->set_cell_editor( lr_input_field ).
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Best Regards
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Hi Ingmar,
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COLUMN_ID
INDEX
ATTRIBUTE
VALUE
You can read these values and store them in a node.
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DATA: lr_node TYPE REF TO if_wd_context_node,
lt_event_properties TYPE if_models_list_view=>elements_event_properties,
ls_event_properties TYPE if_models_list_view=>element_event_properties.
FIELD-SYMBOLS: <l_value> TYPE ANY.
fill internal table
ls_event_properties-name = 'COLUMN_ID'.
ls_event_properties-value = r_param->column.
APPEND ls_event_properties TO lt_event_properties.
ls_event_properties-name = 'INDEX'.
ls_event_properties-value = r_param->index.
APPEND ls_event_properties TO lt_event_properties.
ls_event_properties-name = 'ATTRIBUTE'.
ls_event_properties-value = r_param->attribute.
APPEND ls_event_properties TO lt_event_properties.
ASSIGN r_param->value->* TO <l_value>.
ls_event_properties-name = 'VALUE'.
ls_event_properties-value = <l_value>.
APPEND ls_event_properties TO lt_event_properties.
navigate to context node EVENT_PROPERTIES
lr_node = wd_context->get_child_node( 'EVENT_PROPERTIES' ).
bind internal table to context node
lr_node->bind_table( lt_event_properties ).
wd_this->fire_to_pi_main_view_plg( ).
Regards,
Gaurav

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Thanks.

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Table Cell Editor - Link To Action UI

Hi,
I have a Table UI element in the first view and i need that the first column should have Link To Action UI as the cell editor.
For this the requirment is that Context Attribute Type should be Boolean. please let me know why this is so.
Also i want that Link To Action UI should have the text property set to a values from another context attribute. How will this be possible. Please provide some suggestion on this.
Regards
Sidharth

Hi,
Do you use the table binding wizard? There the first option for the binding property of a Link to action is "enabled" as far as I can remember... And <b>this</b> of course has to be boolean.
If you want to bind the text property to a Context element you can do it by choosing text as binding property.
You may also bind the text property to a Context element after completing the wizard.
Does this answer your question?
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Daniel

ABAP WD ALV Link to action for a Field

Hi,
I got a special question to Webdynpro ALV developing:
How can I generate a link to a seperate Cell or Field of the ALV depends on the content of other field-values in the same row.
e.g. Depends on a response status value of an record in the table I want to allow a link to action for another field in the same row.
Currently, I have "link to action"s for all cells in a column. What I need, is only some cells in the column depends on values in the same row.
Thanks for your help,
Eugen

Eugen, the fallowing link may be help you.
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/bd28494a-0801-0010-45a3-fc359d82d3e8?overridelayout=true
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Edson Thomaz

Adobe form on Link to Action

Hi Experts,
I an working on WDA application in which i have to call an adobe form on table column which is a link to action.
form is already created thorugh SFP of standard form type.
In some cases This form will be interactive and for some its not......which is through parameters in the form.
With ABAP driver program it is working fine but i donno how to use this in WDA.
Please suggest what to do...
Regards
Nik

Hi Nikhil,
The solution which I had suggested was for displaying the Adobe form in a new window on click of the LinkToAction field. Say suppose I have a view by name AIF & it is embedded within a window W_AIF. Then upon clicking on the LinktoAction within the MAIN view I can put the below code within the LinkToAction's onAction event to display the form in a new window:
DATA lo_window_manager TYPE REF TO if_wd_window_manager.
DATA lo_api_component TYPE REF TO if_wd_component.
DATA lo_window         TYPE REF TO if_wd_window.
lo_api_component = wd_comp_controller->wd_get_api( ).
lo_window_manager = lo_api_component->get_window_manager( ).
lo_window         = lo_window_manager->create_window(
                   window_name            = 'W_AIF'
*                  title                  =
*                  close_in_any_case      = abap_true
                   message_display_mode   = if_wd_window=>co_msg_display_mode_selected
*                  close_button           = abap_true
                   button_kind            = if_wd_window=>co_buttons_ok
                   message_type           = if_wd_window=>co_msg_type_none
                   default_button         = if_wd_window=>co_button_ok
lo_window->open( ).
You can generate the above coding through the code wizard by selecting the option as, "Generate Popup" & select the window name as the 2nd window that you have created.
Anyways now that you have specified that you want the form to be displayed within the same view as the LinkToAcion you can go ahead as how specified by Saketh. Define a context attribute say VISIBILITY of type WDUI_VISIBILITY. Give it a default value of 01 which would make it as invisible by default. Bind the "visible" property of the InteractiveForm UI element to this attribute. Now within the LinkToAction's onAction method you can just set the context attributes value to "02" which would mean making the form visible within the same view.
METHOD onactioncall_aif .
wd_context->set_attribute( EXPORTING name = 'VISIBILITY'
                                       value = '02' ).
endmethod.
Regards,
Uday

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Command link / button action is not taking place if i use it in iterator.

Hi,
I am new to ADF, i am facing 1 issue while implementing ADF mobile browser application.
Issue: command link / button action is not taking place if i use it in iterator. its just refreshing the page it self and displaying as no records.
Scenario is i am populating the search results in results page from search page using iterator, i want to get the complete details in different page (results page -> details page) .
I have tried in different ways.like
case1:
<tr:panelGroupLayout id="pgl2" layout="vertical" styleClass="af_m_panelBase">
<tr:panelHeader text="#{classviewBundle.SEARCH_RESULTS}" id="ph1"/>
<tr:iterator id="i1" value="#{bindings.SubjectVO1.collectionModel}" var="subject"
varStatus="subIndx" rows="100">
<tr:panelBox text="#{subject.Subject} #{subject.CatalogNbr} - #{subject.CourseTitleLong}"
styleClass="af_m_listingPrimaryDetails" id="pb1">
<f:facet name="toolbar"/>
<tr:table var="ssrClass" rowBandingInterval="1" id="t1" value="#{subject.children}"
varStatus="clsIndx" rowSelection="none"
binding="#{SessionBean.subjectTable}" verticalGridVisible="true"
emptyText="No Records" width="100%">
<tr:column id="c9" sortable="false" styleClass="width:100%">
<*tr:commandLink text="Section: #{ssrClass.ClassSection}-#{ssrClass.SsrComponentLovDescr} (#{ssrClass.ClassNbr})"*
id="commandLink2" styleClass="af_m_listingLink"
*action="#{pageFlowScope.BackingBean.searchaction}"></tr:commandLink>*
//remaining code
in this case commandlink action is not able to invoke serachaction() method
case 2:
<tr:commandLink text="Section: #{ssrClass.ClassSection}-#{ssrClass.SsrComponentLovDescr} (#{ssrClass.ClassNbr})"
id="commandLink2" styleClass="af_m_listingLink"
action="classdetails}"></tr:commandLink>
in this case its not able to navigate to classdetails page.
I gave correct navigation cases and rules in taskflow,but its working fine when the command link is out of iterator only.
i tried with actionlistener too.. but no use.. please help me out of this problem .
*Update to issue:*
The actual issue is when i use command link/button in an table/iterator whose parent tag is another iterator then the action is not taking place.
the structer of my code is
< iterator1>
#command link action1
< iterator2>
#command link action2
</ iterator2>
< /iterator1>
#command link action1 is working but "#command link action2" is not...
Thanks
Shyam
Edited by: shyam on Dec 26, 2011 5:40 PM

Hi,
To solve my problem I used a af:foreach instead.
<af:forEach items="#{viewScope.DataBySubjectServiceBean.toArray}" var="text">
<af:commandLink text="#{text.IndTextEn}" action="indicator-selected" id="cl1">
<af:setActionListener from="#{text.IndCode}" to="#{pageFlowScope.IndicatorCodeParam}" />
</af:commandLink>
</af:forEach>
By the way you need to convert the iterator to an Array using a ManagedBean.
public Object[] toArray() {
CollectionModel cm = (CollectionModel) getEL("#{bindings.TView1.collectionModel}");
indicators = new Object[cm.getRowCount()];
for(int i=0;i<cm.getRowCount();i++){
indicators[i] = cm.getRowData(i);
return indicators;
public static Object getEL(String expr) {
FacesContext fc = FacesContext.getCurrentInstance();
return fc.getApplication().evaluateExpressionGet(fc,expr,Object.class);
Hope that helps-
Edited by: JuJuZ on Jan 3, 2012 12:23 AM
Add getEL Method

Hot Key of Link to action won't work

Hi,
tried to create a link to action witha hotkey, but unfortunately the action is not triggered. Action is triggered when I click the link
using 7.1.1
is there something else i need to activate? Tried it with IE7 and FF
Stefan

Hi,
tried to create a link to action witha hotkey, but unfortunately the action is not triggered. Action is triggered when I click the link
using 7.1.1
is there something else i need to activate? Tried it with IE7 and FF
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Creating a number of Link to Actions based on the Output of an ALV

Hello Experts,
I have an ALV table as an output in WDA in which the number of records are unknown.
I want to limit the number of records to 500 at a point of time.
Below the table i need to have link to actions placed like 1-500 501-1000 10001-1500 and so on.
As the number of records are unknown i need to have these link to actions divided among total records.
And if the table shows 1-500 records the Link to Action 1-500 should become text so that the user will not be able to click on it.
So my requirement is
1.How to limit the number of records to 500.
2.How to place the link to actions dynamically based on the number of output records.
3.How to change the Link to Action to Text.
Please help me in this.
Thanks in Advance,
Shravan

Hello Shravan,
If you know the total number of records at runtime then its simple. Otherwise you need to write some complex logic. I assume that at runtime while launching the application you will know the total number records .
1.How to limit the number of records to 500.
As Srinivas mentioned call the set_visible_row_count method by passing 500
2.How to place the link to actions dynamically based on the number of output records.
Logic for the same.
data i_total type i value 1250. "say total number of records
data i_max type i value 500. "your max records to be displayed in aLV at anypoint of time
data i_num type i.
data i_rem type i.
i_num = i_total div i_max.
i_rem = i_total mod i_max.
data lv_end_text type string.
data lv_start_text type string.
data lv_final_text type string.
data i_start type i.
data i_end type i.
do i_num times.
i_start = ( i_max * ( sy-index - 1 ) + 1 ).
lv_start_text = i_start.
i_end = i_max * sy-index.
lv_end_text = i_end.
concatenate lv_start_text ' - ' lv_end_text into lv_final_text RESPECTING BLANKS.
"Write the logic to create the Link to Action - as suggested by Srinivas
enddo.
if i_rem > 0.
i_start = i_max * i_num + 1.
lv_start_text = i_start.
i_end = i_max * i_num + i_rem.
lv_end_text = i_end.
concatenate lv_start_text ' - ' lv_end_text into lv_final_text RESPECTING BLANKS.
" Write the logic to add the last linkToAction
endif.
3.How to change the Link to Action to Text.
If you set the enable property of the LinkToAction to abap_false then it will be disabled and displayed as text.
Hope this helps.
BR, Saravanan

Alv --link to action

HI,
I have 5 columns in alv ...in that 3 col.. having link to action...if i click on link to action it should show some popup...in pop up which link to action i clicked that column name should be binded to one input field in pop up...can any one suggest me how to get col. name

Hi,
The event handler for link to action has two importing parameters.
1.WDEVENT
2.R_PARAM of type IF_SALV_WD_TABLE_CLICK.
R_PARAM has these 4 attributes.
You have attribute,column,index and value
You can get your column name like
ls_col_name = r-param->column

Regarding link to action.

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