JDEV 10.1.2 UIX Tree Event Handler

Hi,
I have built my tree bound to two ADF entities/views.
It works fine in a small standalone application, but as soon as I try to integrate it with my main app it fails to call either the "null" or the "expand" event handler (null for page rendering and expand for... well expanding the node (see below))
I've run it in debug and the event code just isn't getting fired
There must be something in my main app that is intercepting the event handler before it gets to my uix handlers.
New to all this so any help greatly appreciated!
In summary, what would intercept default event handling in a uix page.
Thanks
Mark
<handlers>
<event name="expand">
<method class="view.TreeUtils" method="doTreeEvent"/>
</event>
<event name="null">
<method class="view.TreeUtils" method="doTreeEvent"/>
</event>
</handlers>

Hi,
it appears that if I change the forward to have 'redirect="true"' within the struts config file then this works fine now.
Mark

Similar Messages

Jdev 10.1.2 UIX: How to handle page event and also follow link destination

Hello guys, I think this should be easy:
I have a frame with a link that produces an event which is handled by an event handler. But this link also has destination and targetFrame attributes.
The event handling just updates the visual state of the frame which contains the link, but I also need the link to load the destination into the targetFrame, but this is not happening, just the event is handled but the link doesn't work.
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Thanks to everyone who read it. I figured out how to solve this.
The workaround was to set every link destination to one action which performs 2 things:
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ALV Tree - Event Handler

Hi All,
I amd currently developing an ALV tree program to capture the hierarchy of functional location. I managed to display the hierarchy in ALV Tree using cl_gui_column_tree.
Now, i am working on double clicking the functional location and it will bring me to tcode IL03. But, it seems like i cannot capture of the field value clicked. Below are my source code. Can anyone pls help me on this? Thank you very much
*&      Form register_events
      text
--> p1        text
<-- p2        text
FORM register_events .
Define the events which will be passed to the backend
DATA: lt_events TYPE cntl_simple_events,
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CALL METHOD gd_tree->get_registered_events
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l_event-eventid = cl_gui_column_tree=>eventid_item_double_click.
l_event-appl_event = 'X'.
APPEND l_event TO lt_events.
CALL METHOD gd_tree->set_registered_events
    EXPORTING
      events                    = lt_events
    EXCEPTIONS
      cntl_error                = 1
      cntl_system_error         = 2
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IF sy-subrc <> 0.
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Set Handler
DATA: l_event_receiver TYPE REF TO lcl_tree_event_receiver.
CREATE OBJECT l_event_receiver.
SET HANDLER l_event_receiver->handle_item_double_click FOR gd_tree.
ENDFORM.                    " register_events
CLASS lcl_tree_event_receiver DEFINITION.
PUBLIC SECTION.
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Determine which line is selected
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        e_fieldname     = lt_fieldname.
    CALL METHOD cl_gui_cfw=>flush.
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    SET PARAMETER ID 'ISR' FIELD 'MOB01'.
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ENDMETHOD.                    "handle_item_double_click
ENDCLASS.                    "lcl_tree_event_receiver IMPLEMENTATION

Hello Goh
Based on your coding you are using CL_GUI_ALV_TREE instead of CL_GUI_COLUMN_TREE.
Calling method get_selected_item within your event handler method is unnecessary because these data are already provided by the event interface.
[code]METHOD handle_item_double_click.
DATA: lt_selected_nodes TYPE lvc_nkey,
lt_fieldname TYPE lvc_fname.
*$Comment: unnecessary because these data are already provided
by the event interface (IMPORTING nodekey fieldname).
Determine which line is selected
**CALL METHOD gd_tree->get_selected_item
**IMPORTING
**e_selected_node = lt_selected_nodes
**e_fieldname = lt_fieldname.
ENDMETHOD. "handle_item_double_click[/code]
The following sample is based in report BCALV_TREE_04 but can be simply applied to your application:
[code] METHOD handle_item_double_click.
define local data
    DATA:
      ls_outtab     TYPE sflight.
    FIELD-SYMBOLS:
      <ld_fld>      TYPE ANY.
Call this method to get the values of the selected tree line
    CALL METHOD g_alv_tree->get_outtab_line
      EXPORTING
        i_node_key     = node_key
      IMPORTING
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       et_item_layout =
       ES_NODE_LAYOUT =
      EXCEPTIONS
        node_not_found = 1
        OTHERS         = 2.
    IF sy-subrc <> 0.
    MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
               WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
    ENDIF.
    ASSIGN COMPONENT fieldname OF STRUCTURE ls_outtab TO <ld_fld>.
    IF ( <ld_fld> IS ASSIGNED ).
... Call transaction with selected (item) value.
    ENDIF.
ENDMETHOD.                    "handle_item_double_click[/code]
The ASSIGN statement will work if no item of the hierarchy part is selected.
Regards
Uwe

Tree event handling

Hi,
    I had a Tlayout.In that the left view is a Tree. When I clicked a particular element in the Tree on the left View I want the details of it to be displayed in the right View. What is the code for handling the click event of a tree and load a view corresponding to the clicked element and display it in right view.
Thanks in Advance
Safeer.I

Error Summary
While processing the current request, an exception occured which could not be handled by the application or the framework.
If the information contained on this page doesn't help you to find and correct the cause of the problem, please contact your system administrator. To facilitate analysis of the problem, keep a copy of this error page. Hint: Most browsers allow to select all content, copy it and then paste it into an empty document (e.g. email or simple text file).
Root Cause
The initial exception that caused the request to fail, was:
   java.lang.NullPointerException
    at hbs.saf.TreeTut1View.wdDoModifyView(TreeTut1View.java:234)
    at hbs.saf.wdp.InternalTreeTut1View.wdDoModifyView(InternalTreeTut1View.java:220)
    at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.doModifyView(DelegatingView.java:78)
    at com.sap.tc.webdynpro.progmodel.view.View.modifyView(View.java:308)
    at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.doModifyView(ClientComponent.java:480)
    ... 27 more
See full exception chain for details.
System Environment
Client
Web Dynpro Client Type HTML Client
User agent Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322)
Version null
DOM version null
Client Type msie6
Client Type Profile ie6
ActiveX enabled
Cookies enabled
Frames enabled
Java Applets enabled
JavaScript enabled
Tables enabled
VB Script enabled
Server
Web Dynpro Runtime Vendor: SAP, build ID: 7.0007.20060331081328.0000 (release=645_VAL_REL, buildtime=2006-03-31:06:24:04[UTC], changelist=396896, host=pwdfm101), build date: Wed Mar 28 16:13:15 GMT+05:30 2007
J2EE Engine No information available
Java VM Java HotSpot(TM) Server VM, version:1.4.2_12-b03, vendor: Sun Microsystems Inc.
Operating system Windows 2003, version: 5.2, architecture: x86
Session & Other
Session Locale en_US
Time of Failure Tue Jul 31 11:10:50 GMT+05:30 2007 (Java Time: 1185860450203)
Web Dynpro Code Generation Infos
local/TreeTut1
SapDictionaryGenerationCore 7.0009.20060802115015.0000 (release=645_VAL_REL, buildtime=2006-08-26:14:24:21[UTC], changelist=413123, host=PWDFM101.wdf.sap.corp)
SapDictionaryGenerationTemplates (unknown)
SapGenerationFrameworkCore 7.0009.20060719095755.0000 (release=645_VAL_REL, buildtime=2006-08-26:14:12:57[UTC], changelist=411255, host=PWDFM101.wdf.sap.corp)
SapIdeWebDynproCheckLayer 7.0009.20060802115035.0000 (release=645_VAL_REL, buildtime=2006-08-26:14:30:00[UTC], changelist=413124, host=PWDFM101.wdf.sap.corp)
SapMetamodelCommon 7.0009.20060210160857.0000 (release=645_VAL_REL, buildtime=2006-08-26:14:13:46[UTC], changelist=388995, host=PWDFM101.wdf.sap.corp)
SapMetamodelCore 7.0009.20060210160857.0000 (release=645_VAL_REL, buildtime=2006-08-26:14:13:38[UTC], changelist=388995, host=PWDFM101.wdf.sap.corp)
SapMetamodelDictionary 7.0009.20060719095619.0000 (release=645_VAL_REL, buildtime=2006-08-26:14:21:59[UTC], changelist=411251, host=PWDFM101.wdf.sap.corp)
SapMetamodelWebDynpro 7.0009.20060428190938.0000 (release=645_VAL_REL, buildtime=2006-08-26:14:26:52[UTC], changelist=400815, host=PWDFM101.wdf.sap.corp)
SapWebDynproGenerationCTemplates 7.0009.20060804145649.0000 (release=645_VAL_REL, buildtime=2006-08-26:14:45:29[UTC], changelist=413534, host=pwdfm101)
SapWebDynproGenerationCore 7.0009.20060802115035.0000 (release=645_VAL_REL, buildtime=2006-08-26:14:30:11[UTC], changelist=413124, host=PWDFM101.wdf.sap.corp)
SapWebDynproGenerationTemplates 7.0009.20060804145649.0000 (release=645_VAL_REL, buildtime=2006-08-26:14:45:29[UTC], changelist=413534, host=pwdfm101)
sap.com/tcwddispwda
No information available null
sap.com/tcwdcorecomp
No information available null
Detailed Error Information
Detailed Exception Chain
java.lang.NullPointerException
     at hbs.saf.TreeTut1View.wdDoModifyView(TreeTut1View.java:234)
     at hbs.saf.wdp.InternalTreeTut1View.wdDoModifyView(InternalTreeTut1View.java:220)
     at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.doModifyView(DelegatingView.java:78)
     at com.sap.tc.webdynpro.progmodel.view.View.modifyView(View.java:308)
     at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.doModifyView(ClientComponent.java:480)
     at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.doModifyView(WindowPhaseModel.java:551)
     at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.processRequest(WindowPhaseModel.java:148)
     at com.sap.tc.webdynpro.clientserver.window.WebDynproWindow.processRequest(WebDynproWindow.java:330)
     at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:143)
     at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doProcessing(ApplicationSession.java:297)
     at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessingStandalone(ClientSession.java:706)
     at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessing(ClientSession.java:660)
     at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:228)
     at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:152)
     at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:56)
     at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doGet(DispatcherServlet.java:40)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:390)
     at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:264)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:347)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:325)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:887)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:241)
     at com.sap.engine.services.httpserver.server.Client.handle(Client.java:92)
     at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:148)
     at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
     at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
     at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
     at java.security.AccessController.doPrivileged(Native Method)
     at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:100)
     at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:170)

UIX choice component event handling

Hi, I am using UIX in JDEV 10G. My page has a few dependent uix choice components on it. The first choice populates the second choice box and so on. I am using primaryClientActions to handle firing the event of populating the choice box. Below is the EventHandler for the fired event. I have a viewObject and AppModule. I set the where clause on the viewobject with the parameters from the previous choice selection. My question is: How do I get my query results back to my UIX choice component. I thought if I called executequery() it would update the view Objects query and update my page, but I think I am missing a step.
public static EventResult fminstEventHandler(BajaContext context,Page page,PageEvent event) throws Throwable
result = new EventResult();
fmInst = event.getParameter("FmName");
DeptAppModuleImpl dam = new DeptAppModuleImpl();
ViewObject deptView = dam.getDeptView1();
deptView.setWhereClause("where inst ='" + fmInstNum +"' and dept != '*****' and guide_yr ='"+guideyr +"' union select 'ALL', '0' from dual");
deptView.executeQuery();
return result; //result is nothing right now.
Thanks for your help.
McKell

Sure. Thanks for responding to my question. Below is the UIX file:
<?xml version = '1.0' encoding = 'windows-1252'?>
<page xmlns="http://xmlns.oracle.com/uix/controller"
xmlns:ui="http://xmlns.oracle.com/uix/ui"
xmlns:data="http://xmlns.oracle.com/uix/ui"
xmlns:ctrl="http://xmlns.oracle.com/uix/controller"
xmlns:html="http://www.w3.org/TR/REC-html40" expressionLanguage="el"
xmlns:myTemplate="CourseTransferTemplate">
<templates xmlns="http://xmlns.oracle.com/uix/ui">
<templateImport source="CrsTranTemplate.uit"/>
</templates>
<content>
<dataScope xmlns="http://xmlns.oracle.com/uix/ui">
<provider>

</provider>
<contents>
<document xlmns="http://xmlns.oracle.com/uix/ui">
<metaContainer>

<head title="Course Transfer Search"/>
</metaContainer>
<contents>
<body>
<contents>
<form name="form0">
<contents>

<myTemplate:CourseTransferTemplate selectedTab="0"
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xmlns:myTemplate="CourseTransferTemplate">
<contents>
<rawText
text="<p>Welcome to the Utah System of Higher Education (USHE) Course Transfer Guide on the Web!
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<contents>
<link text="Utah System of Higher Education"
destination="http://www.utahsbr.edu"/>
<rawText text="(USHE). It is updated every year by participating institutions and a new guide is published in the fall.<p>"/>
</contents>
</rawText>

<rawText text="Guide Year ">
<contents>
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<rawText text="From Institution ">
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<rawText text="From Department ">
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</rawText>

<rawText text="From Course ">
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<choice id="Course" name="Crs" nodeID="Course">
<primaryClientAction>
<firePartialAction event="CourseEvent"
formSubmitted="true"
/>
</primaryClientAction>
</choice>
</contents>
</rawText>

<rawText text="To Institution ">
<contents>
<choice model="${data.TransferGuideUIModel.Name}"
name="ToName" prompt="ToName">
<primaryClientAction>
<firePartialAction event="ToInstEvent"
formSubmitted="true"
/>
</primaryClientAction>
<contents
childData="${data.TransferGuideUIModel.Name.displayData}">
<option model="${uix.current}"
text="${uix.current.prompt}"
value="${uix.current.prompt}"/>
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</choice>
</contents>
</rawText>
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<tabs/>
<pageButtons/>
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<end/>
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<event name="*" source="FmName">
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<event name="*" source="Department">
<method class="mypackage1.EventHandlers" method="deptEventHandler"/>
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try
con = new DBConnection();
catch (SQLException e)
System.out.println(e);
fmInst = event.getParameter("FmName");
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fmInstNum = rset.getString(1);
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//DeptAppModule and DeptView are an Application Module and View Object I created from the JDeveloper wizards
DeptAppModuleImpl dam = new DeptAppModuleImpl();
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DeptView.setWhereClause("where inst ='" + fmInstNum +"' and dept != '*****' and guide_yr ='"+guideyr +"' union select 'ALL', '0' from dual");
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McKell

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Hi Ananth,
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I have an actionListener event handler registered on a tree node as follows:
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I am using JDeveloper 11.1.2.1.0
There is also adf faces code around this snippet that uses an af:switcher facea component to display the appropriate form based on the nodee level in which the comman d image link is clicled but it is irrelevant to the problem I am getting.
Any help on that would be appreciated

Hi,
hard to say . Didn't see this before. Can yoiu remove "binding="#{EditFormBean.cmdImageLink}"" from the command link. The tree stamps its children so that it doesn't make sense to keep a handle to the component instance
Frank

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Tree's DragSource changes at DragDrop event handler?

I try to drag a node A into node B. When the DragDrop event
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<mx:Tree ......... dragDrop="OnDragDrop(event)"....../>
In the function:
private function OnDragDrop( event:DragEvent ):void
var ds:DragSource = event.dragSource;
items = new XML( ds.dataForFormat("treeItems")[0] );
I was expecting the "items" has a copy of the dragged item
(node A). However, it has all the drop node's info (node B). How do
I get teh drag and drop nodes in this event?
P.S. I am trying to drag and drop at the same tree control.
Could that be why? Is it suppose to be like this? Or, its a bug?
-Alan

Regarding your button look and feel issue, the easiest thing to do would be to copy the button template you are using for the template-based buttons and modify that to add in your onClick handlers.
The builtin button template for the theme I am using (Theme 12) looks like this
<table class="t10Button" cellspacing="0" cellpadding="0" border="0" summary="">
    <tr>
        <td class="t10L"><img src="#IMAGE_PREFIX#themes/theme_10/button_left.gif" alt="" width="4" height="24" /></td>
        <td class="t10C">#LABEL#</td>
        <td class="t10R"><img src="#IMAGE_PREFIX#themes/theme_10/button_right.gif" width="4" height="24" alt="" /></td>
    </tr>
</table>In other words, each button is rendered in its own HTML table.
Copy this button template, call it mybutton and have it look like
<table class="t10Button" cellspacing="0" cellpadding="0" border="0" summary="">
    <tr>
        <td class="t10L"><img src="#IMAGE_PREFIX#themes/theme_10/button_left.gif" alt="" width="4" height="24" /></td>
        <td class="t10C">#LABEL#</td>
        <td class="t10R"><img src="#IMAGE_PREFIX#themes/theme_10/button_right.gif" width="4" height="24" alt="" /></td>
    </tr>
</table>Notice that I put a no-op in the href tag for the button and added a onClick handler that will do the real work. In your case, you would use the URL Redirect on the Button attributes page to call your SavePage() function. Since the onClick is called before the href, it should (hopefully) do what you are looking for.
I put up these changes at
http://htmldb.oracle.com/pls/otn/f?p=24317:26
Do let us know.
Thanks

Event Handling for tree structure using "CL_GUI_ALV_TREE_SIMPLE"

Hi,
I have created a tree structure using class CL_GUI_ALV_TREE_SIMPLE.
Now I wanted to insert a check and give message when the user opens the last node in my structure.
I checked the events available in the class , but there in none which gets trigered when we try to open a node.
Please guide me with this scenario.
Thanks & Regards,
Omkar M.

Hello Omkar
The solution is somewhat odd but apparently works. As sample report please check BCALV_TREE_SIMPLE_DEMO.
Copy this report and make the following changes:
class lcl_tree_event_receiver definition.
public section.
    methods:
    on_expand_no_children " new event handler method
      for event expand_no_children of cl_gui_column_tree
        importing NODE_KEY, " class = CL_GUI_COLUMN_TREE !!!
    on_add_hierarchy_node
              for event on_add_hierarchy_node of cl_gui_alv_tree_simple
                    importing grouplevel
                              index_outtab.
endclass.
CLASS lcl_tree_event_receiver IMPLEMENTATION.
METHOD on_expand_no_children.
    BREAK-POINT.
ENDMETHOD.                    "on_expand_no_children
FORM register_events.
* define the events which will be passed to the backend
DATA: lt_events TYPE cntl_simple_events,
        l_event TYPE cntl_simple_event.
* define the events which will be passed to the backend
l_event-eventid = cl_gui_column_tree=>eventid_node_context_menu_req.
APPEND l_event TO lt_events.
l_event-eventid = cl_gui_column_tree=>eventid_expand_no_children.
APPEND l_event TO lt_events.
CALL METHOD tree1->set_registered_events
    EXPORTING
      events                    = lt_events
    EXCEPTIONS
      cntl_error                = 1
      cntl_system_error         = 2
      illegal_event_combination = 3.
* set Handler
DATA: l_event_receiver TYPE REF TO lcl_tree_event_receiver.
CREATE OBJECT l_event_receiver.
SET HANDLER l_event_receiver->on_add_hierarchy_node
                                                        FOR tree1. " CL_GUI_ALV_TREE_SIMPLE
SET HANDLER l_event_receiver->on_expand_no_children
                                          FOR ALL INSTANCES. " CL_GUI_COLUMN_TREE !!!
ENDFORM.                               " register_events
As soon as you open a node in the ALV tree the report will stop at the break-point.
Now you need to check if there are still children nodes to be displayed.
If not then trigger your special coding.
Regards
Uwe

STRUTS and UIX: How to use getCustomMethod in event handler

I am having app module method exposed to a client as my custom method that does something. Then I have a data page (UIX) with a submit button that triggers event handler:
public void onMyEvent(DataActionContext ctx) {
    HttpServletRequest request = ctx.getHttpServletRequest();
    HttpSession session = request.getSession();
    JUCtrlActionBinding method = ctx.getCustomMethod();
    if (method == null) System.out.println("method is null!!!!!!!!!!!");for some reason my method handle is null WHY???
this seems to work when I call my method from findForward() though.

If you use ADF BC, you can override the method create(AttributeList) in the Entity Object implementation class (EmployeesImpl.java).
Use: Menu --> Tools --> Override Methods --> create
In the overridden create method you can assign the next value from a DB sequence (e.g. EMP_SEQ) to the ID attribute:
protected void create(AttributeList nameValuePair) {
// Super
super.create(nameValuePair);
// Id
SequenceImpl s = new SequenceImpl("EMP_SEQ", getDBTransaction());
setEmployeeId(s.getSequenceNumber());
}

UIX event handler + struts

Hi,
I'm using UIX + struts in jdev10g and im getting problems trying to handle a simple action binding event like the "Next" operation. Below is a short example of what im trying to do.
Test.uix
<submitButton text="Next" model="${bindings.Next}" id="Next2" event="next"/>
<event name="next" source="Next2">
<invoke method="doIt" javaType="oracle.jbo.uicli.binding.JUCtrlActionBinding"
instance="${bindings.Next}"/>
</event>
testAction.java
public void onNext(DataActionContext ctx)
if (ctx.getEventActionBinding() != null)
ctx.getEventActionBinding().doIt();
If i run the code above i can see that it executes ctx.getEventActionBinding().doIt(); but the action binding never gets executed, and this efect is the same for other actions like create,previous etc...
Another thing that calls my attention is that every time i drag a operation from the DataControl Palette the event name is always "action"
<submitButton text="First" model="${bindings.First}"
id="First0" event="action"/>
So how is the correct way to handle events in the UIX + Struts?????
Please i need a help on this one!!!!!
Tanks,
Eduardo M. Sasso

First of all tanks for the help.
But what i want to do is to subclass the DataForwardAction for my DataPage and let the struts controller handle the event, just like the documentation says...
About Event Handling in Applications Using Oracle ADF, UIX, and Struts
http://helponline.oracle.com/jdeveloper/help?topic=adf_auixadfevents_html
If i try to do the same thing using jsp it works great...
This is problem is getting me nuts!!! it looks to me that this problem is very easy to solve but i just cant see the solution....
tanks again

UIX-XML BC4J Question regarding event handling

How can I use/access Application Module, defined in UIX-XML page (using <bc4j:registryDef>), in my event handler method ???

Sorry for the confusion. I figured out what you were asking.
The right way is this.
First, in your UIX XML page, declare your handler like this:
<event name="%myEvent%" >
<bc4j:findRootAppModule name="%ModuleName%" >
<method class="%eventclass%" method="%eventmethod%" />
</bc4j:findRootAppModule>
</event>
the strings in the % have to be replaced with your own particular names. %ModuleName% should be the same as the name of the module in the registry.
Then in the event handler %eventclass%.%eventmethod% you can use this to find the Application Module:
oracle.jbo.ApplicationModule mymodule
= oracle.cabo.data.servlet.bind.ServletBindingUtils.getApplicationModule(context);
"context" is passed in to your event handler as a BajaContext. ServletBindingUtils has several other methods for getting BC4J stuff, you should look at its definition.
Joe

JDEV 10.1.3: Issue with Inherited public event handler methods in beans

I have a bean validator method which it inherits from another base class.
I am able to pick this method using the property inspector and it works fine.
But in the jspx source view, i see a red wiggly line under the expression. Is this a bug or some bizzare way of enforcing some best practice (if using inherited event handler methods in beans is NOT a best practice)?
The same is true for value change listeners.

I started from scratch and the problem remains. Only one commandButton can fire an event which sets a variable that controls a af:switcher. The effect is similar to what the "blocking" attribute does but it is set to false on my components. Any ideas, time has already run out.

JDEV 10.1.2 UIX Tree Event Handler

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