How to execute a backing-bean method before loading JSP Page?

Hi everybody.
Scene:
An AdfForm, with
-SelectChoice, referenced to a <list> of pageDef, which is referenced to an ADF BC.
Goal:
-Executing the query of the ADF BC before load the SelectChoice, to load the correct values.
A good question to know:
Exists any way to execute a method of backing before loading a JSP Page?
Any similar to onload method of javascript. It could be fantastic.
Thanks in advance,
Jaime

hi Jaime
If I understand correctly, you are using the ADF Model for data binding.
Because your goal is "Executing the query of the ADF BC ...", maybe you can also consider to refresh an executable in your Page Definition.
See also "10.5.5 How to Use Refresh Correctly for InvokeAction and Iterator Bindings"
at http://download.oracle.com/docs/html/B25947_01/bcdcpal005.htm#BJECHBHF
It says "... You can use the Refresh property on iterator bindings and invokeAction executables in your page definition to control when each are evaluated during the ADF page lifecycle, either during the prepareModel phase, the prepareRender phase, or both. ...".
Although you have posted your question in a structured way, which is a good thing, I think it would help to understand your question if you can explain how you determine "the correct values" for your list, what is varying?
success
Jan Vervecken

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at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:79)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:79)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3367)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3333)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.provider.WlsSubjectHandle.run(WlsSubjectHandle.java:57)
at weblogic.servlet.internal.WebAppServletContext.doSecuredExecute(WebAppServletContext.java:2220)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2146)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2124)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1564)
at weblogic.servlet.provider.ContainerSupportProviderImpl$WlsRequestExecutor.run(ContainerSupportProviderImpl.java:254)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:295)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:254)
>
<Jan 22, 2014 11:36:15 AM CST> <Error> <javax.enterprise.resource.webcontainer.jsf.application> <BEA-000000> <Error Rendering View[/studyBrowse]
javax.el.PropertyNotFoundException: //C:/Documents and Settings/rade/Application Data/JDeveloper/system12.1.2.0.40.66.68/o.j2ee/drs/ADFOracleReports/ViewControllerWebApp.war/studyBrowse.jsff @41,46 disabled="#{backingBeanScope.Studybrowse.isUserAuthorized}": The class 'view.backing.Studybrowse' does not have the property 'isUserAuthorized'.
at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:111)
at org.apache.myfaces.trinidad.bean.FacesBeanImpl.getProperty(FacesBeanImpl.java:73)
at oracle.adfinternal.view.faces.renderkit.rich.ButtonRenderer.getDisabled(ButtonRenderer.java:436)
at oracle.adfinternal.view.faces.renderkit.rich.ButtonRenderer.encodeAll(ButtonRenderer.java:270)
at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1578)
Truncated. see log file for complete stacktrace
>

How to call backing bean method when user tabs out of af:inputListOfValues field

Hi,
I am using jdev 11.1.2.4.
I want to call a backing bean method based on the value selected in the af:inputListOfValues field.
The requirement is similar as Frank Nimphius-Oracle has demonstrated here https://blogs.oracle.com/jdevotnharvest/entry/how_to_notify_the_server but with Input List of Values component.
The fields I want to call method from is
<af:inputListOfValues id="appealNameId"
                      popupTitle="Search and Select: #{bindings.AppealName.hints.label}"
                      value="#{bindings.AppealName.inputValue}"
                      label="#{bindings.AppealName.hints.label}"
                      model="#{bindings.AppealName.listOfValuesModel}"
                      required="#{bindings.AppealName.hints.mandatory}"
                      columns="#{bindings.AppealName.hints.displayWidth}"
                      shortDesc="#{bindings.AppealName.hints.tooltip}"
                      binding="#{backingBeanScope.backing_Donation.appealNameId}"
                      autoSubmit="true" clientComponent="false">
                      <f:validator binding="#{bindings.AppealName.validator}"/>
                      <af:autoSuggestBehavior suggestedItems="#{backingBeanScope.backing_Donation.onSuggestAppeal}"/>
                      <af:clientListener method="onBlurTxtField" type="blur"/>
</af:inputListOfValues>
<af:serverListener type="onBlurNotifyServer"
                   method="#{backingBeanScope.backing_Donation.onBlurNotify}"/>
as you can see, af:serverListener is outside the af:inputListOfValues which probably is the reason its not executing this method?
public void onBlurNotify(ClientEvent clientEvent) {
   // get a hold of the input text component
   RichSelectOneChoice inputTxt = (RichSelectOneChoice) clientEvent.getComponent();
   //do some work on it here (e.g. manipulating its readOnly state)
   //Get access to the payload
   Map parameters = clientEvent.getParameters();
   System.out.println("SubmittedValue = "+parameters.get("submittedValue"));
   System.out.println("LocalValue = "+parameters.get("localValue"));
I've tried to put serverListener tag inside the <af:inputListOfValues> but getting below error
"Server Listener is not valid child of Input List of Values"
any ideas please?
thanks

As first, check to see that you are using correct type for af:serverListener (thet one you are queue in the javaScript onBlurTxtField function)
If still does not work, go to directly to the page source code, and put af:serverListener "by hand", as a child for af:inputListOfValues.
Because it is possible that these messages are false alarm...

***How to Invoke backing bean method by DOUBLE-CLICK the table ROW!!***

Hi,
How can I collect the selected row value & navigate to next page by DOUBLE-CLICK the result table row.
My application got searchResult page where I am displaying the list of user in result table. Then selecting any one row and navigating to master details page by clicking the continue button. Button Action method will collect the selected row userID which I am forwarding to the masterDetails page.
Same functionality I want to do by double click the row instead of clicking the button!!. I want to trigger the backing bean method if the user double click the row basically. Please help me in this how to do this?
Current button action method:
*public String userSelected() {*
FacesCtrlHierNodeBinding binding = (FacesCtrlHierNodeBinding) searchResultTable.getSelectedRowData();
currentRow = binding.getRow();
selectedNetID = (String) currentRow.getAttribute("netid");
System.out.println("selectedNetID -->"+selectedNetID);
requestContext.getPageFlowScope().put("netid",selectedNetID);
return "continue";
*}*

Puthanampatti ,
Yes, I am using the same. Below is my code. I am trying to get the object of the MAIN jspx page region (where I am displaying the fragments) and refresh the one. But cant able to get the object for the region it is returning null. without refresh seems the navigation wont work.
public void doDbClick(ClientEvent clientEvent) {
FacesCtrlHierNodeBinding binding = (FacesCtrlHierNodeBinding) searchResultTable.getSelectedRowData();
currentRow = binding.getRow();
selectedNetID = (String) currentRow.getAttribute("netid");
System.out.println("selectedNetID -->"+selectedNetID);
requestContext.getPageFlowScope().put("netid",selectedNetID);
try{
FacesContext facesCtx = FacesContext.getCurrentInstance();
NavigationHandler nh = facesCtx.getApplication().getNavigationHandler();
nh.handleNavigation(facesCtx, "", "continue");
System.out.println("region obj -->" +facesCtx.getViewRoot().findComponent("advse1"));
// Refresh the current region; advse1 is the id of the region component inside jspx page
AdfFacesContext.getCurrentInstance().addPartialTarget(facesCtx.getViewRoot().findComponent("advse1"));
catch(Exception e){
System.out.println("Error is: " +e);
Is this correct coding to get the region object?? actually the "result table" and "Master details" are 2 different fragments which are linked with task-flow and the task flow is part of main jspx page as a region. I am using that region ID to get the obj, but cant able to get so....!!! any idea

SelectOneMenu: How can I fire a backing bean method just when click

I want that when just I click one option of Dropdown list it fires a backing bean method.
The method must take the new value of dropdown, to execute a SQL to populate a new (another one) dropdown list and refresh the page.
My code
                        <h:commandButton id="button1" style="left: 216px; top: 216px; position: absolute" value="Cancelar"/>
                        <h:commandButton id="button2" style="left: 312px; top: 216px; position: absolute" value="Generar"/>
                        <h:outputLabel for="componentLabel5" id="componentLabel5" style="left: 120px; top: 0px; position: absolute">
                            <h:outputText id="componentLabel5Text" value="Título de la Página"/>
                        </h:outputLabel>
                        <h:selectOneMenu immediate="true" value="#{fgstb.ctoId}" valueChangeListener="#{fgstb.cambiaValorCtos}" id="dropdown1" style="left: 264px; top: 72px; position: absolute; width: 120px">
                            <f:selectItems id="dropdown1SelectItems" value="#{fgstb.ctos}"/>
                        </h:selectOneMenu>
                        <h:selectOneRadio id="radioButtonList1" layout="pageDirection" style="left: 48px; top: 48px; position: absolute" value="#{fgstb.modo}">
                            <f:selectItem id="radioButton1" itemLabel="Generar Campeonato" itemValue="1"/>
                            <f:selectItem id="radioButton2" itemLabel="Generar desde Campeonato" itemValue="2"/>
                            <f:selectItem id="radioButton3" itemLabel="Generar Todos Campeonatos" itemValue="3"/>
                        </h:selectOneRadio>It works fine but when I push a button and I would like it works when I click over dropdown list.
Thank you

Hi,
You can simply add onchange="submit()" attribute to your component to allow form to be submited when the coomponent value is changed, and add also a value change listener to allow JSF to be notiifed for component value change event :
<h:selectOneMenu onchange="submit()" valueChangeListener="#{fgstb.cambiaValorCtos}"
                          immediate="true" value="#{fgstb.ctoId}"   id="dropdown1" style="left: 264px; top: 72px; position: absolute; width: 120px">
                            <f:selectItems id="dropdown1SelectItems" value="#{fgstb.ctos}"/>
</h:selectOneMenu>

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