How to get lov display value dynamically for an item according to date pick

Hi friends,
I have a date picker item called on_date, and also one lov item course_name
If i select one date from the date picker item means, automatically the course name corresponding to the date has to populate in the course_name item lov.
suppose if i select the date (21-06-2011) from the date picker item means and if there are two courses available for the date in the table
that is *) APEX *)OAF means, then the course_name item lov should show APEX and OAF in the select list.
How to acheive it.
I tried it in the way by creating a dynamic action for the date item
True Action: set value
Sql Expression:
select course_name from xx_trg_course_detail where :P2_ON_DATE between effective_start_date and effective_end_datepage item to submit: P2_ON_DATE
Affected element: P2_COURSE_NAME
it is working if i kept the course_name item as a text field instead of LOV item.
But i need to show the corresponding courses in the lov for the course_name item soon after selecting the particular date from the date picker.
This is the LOV definition that i gave for the course_name item
select course_name r, course_name d from xx_trg_course_detail where :P2_ON_DATE between effective_start_date and effective_end_datewhat is the problem over here.
Thanks
Regards,
Mini
Edited by: Mini on Jun 22, 2011 2:45 AM

Hi friends,
One of my batch mate corrected this problem, by setting
cascading LOV parent item: P2_ON_DATE
page items to submit : P2_ON_DATE
By specifying the date picker item name in the above fields for the item COURSE_NAME.
Now if i select the date from the picker means, the lov item course_name is getting changed as it is showing only the courses of the respective dates.
Thanks
Regards,
Mini

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package com.demo.view;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.faces.component.UISelectItems;
import javax.faces.event.ActionEvent;
import javax.faces.model.SelectItem;
import oracle.adf.model.BindingContext;
import oracle.adf.model.binding.DCBindingContainer;
import oracle.adf.model.binding.DCIteratorBinding;
import oracle.adf.view.rich.component.rich.RichPopup;
import oracle.adf.view.rich.component.rich.data.RichTable;
import oracle.adf.view.rich.component.rich.input.RichSelectManyListbox;
import oracle.adf.view.rich.context.AdfFacesContext;
import oracle.adf.view.rich.event.DialogEvent;
import oracle.jbo.Key;
import oracle.jbo.Row;
import oracle.jbo.RowSetIterator;
import org.apache.myfaces.trinidad.model.RowKeySet;
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private RichTable tsupportIssues;
private List<SelectItem> lovValue;
private List<SelectItem> actualList;
private RichSelectManyListbox prp1;
private List valuesChoosed = new ArrayList();
private UISelectItems selectedItems;
private RichPopup searchSupplierPopup;
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import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.faces.component.UISelectItems;
import javax.faces.event.ActionEvent;
import javax.faces.model.SelectItem;
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import oracle.adf.model.binding.DCIteratorBinding;
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import oracle.adf.view.rich.component.rich.data.RichTable;
import oracle.adf.view.rich.component.rich.input.RichSelectManyListbox;
import oracle.adf.view.rich.context.AdfFacesContext;
import oracle.adf.view.rich.event.DialogEvent;
import oracle.jbo.Key;
import oracle.jbo.Row;
import oracle.jbo.RowSetIterator;
import org.apache.myfaces.trinidad.model.RowKeySet;
public class TestBean {
private RichTable tsupportIssues;
private List<SelectItem> lovValue;
private List<SelectItem> actualList;
private RichSelectManyListbox prp1;
private List valuesChoosed = new ArrayList();
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private RichPopup searchSupplierPopup;
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A. Abhijit

How to get the viewrow value by string

Using Jdev11.1.1.5.0-adfbc-ireport3.0.0
here i'll describe: what i did.
am using jsff(dynamic region) while hitting the af:tree nodes it will opens. ok fine
i had somevo with manually wroten query. and query is fine no problem with that
here i give sample not a original query
select * from sometable where acctid = :pacctidi drag and drop the pacctid from corresponding execute params vo as selectoncechoice
static vo
Data value - account payable , advance
Data Name - ap,ad
in that jsff
*page representation*
account type :   account payable (ap) - select one choice type
                        advance           (ad) - select one choice type
like this some select once choice and some inputs.
Run report - command button
.jsff code
<af:selectOneChoice value="#{bindings.ACCT_TYPE.inputValue}"
                          label="Account Type"
                          shortDesc="#{bindings.ACCT_TYPE.hints.tooltip}"
                          id="soc3" required="true"
                          autoSubmit="true"
                          binding="#{backingBeanScope.SUP1040V.soc3}"
                          valuePassThru="true"
                          valueChangeListener="#{backingBeanScope.SUP1040V.ValueChangeListener1}">
        <f:selectItems value="#{bindings.ACCT_TYPE.items}" id="si3"/>
      </af:selectOneChoice>
<af:commandToolbarButton text="Export in pdf" id="ctb2">
          <af:fileDownloadActionListener method="#{backingBeanScope.SUP1040V.Report}"
                                         />
        </af:commandToolbarButton>.java
     //while hitting the button following logs are appeared i show it as commented format.
    public void Report(FacesContext context, OutputStream out) throws IOException,Exception
            FacesContext ctx = FacesContext.getCurrentInstance();
            HttpServletRequest request =
                (HttpServletRequest)ctx.getExternalContext().getRequest();
            HttpServletResponse response =
                (HttpServletResponse)ctx.getExternalContext().getResponse();
            BindingContainer bindings1 = BindingContext.getCurrent().getCurrentBindingsEntry();
            System.out.println("print binding" +bindings1 );
//while using sop i get this in my log : : print binding ReportsPageFragments_SUP1040VPageDef_WEB_INF_TaskFlows_SUP1040_V_TF_xml_SUP1040_V_TF
            JUCtrlListBinding listBinding1 = (JUCtrlListBinding)bindings1.get("ACCT_TYPE");
            System.out.println("print list bindings" +listBinding1 );
//while using sop i get this in my log : : print list bindings0
            Object selectedValue1 = listBinding1.getSelectedValue();
            System.out.println("print selected value" + selectedValue1);
//while using sop i get this in my log : : print selected valueViewRow [oracle.jbo.Key[AP ]]
request.setAttribute("ACCT_TYPE", //here i want the value "AP" in String );
if i use like this means
request.setAttribute("ACCT_TYPE", soc1.getValue() ); i get the index value.
i need the dataname "ap" so i go above method which say wrotes ...
            request.getRequestDispatcher(response.encodeURL("/sup1040servlet")).forward(request,response);
            System.out.println("hihihihih");
            response.flushBuffer();
            ctx.responseComplete();
    public void ValueChangeListener1(ValueChangeEvent valueChangeEvent) {
        // Add event code here...
        String AcctType = valueChangeEvent.getNewValue().toString();
        System.out.println("AcctType" + AcctType);
        FacesContext contxt = FacesContext.getCurrentInstance();
        valueChangeEvent.getComponent().processUpdates(contxt);
       BindingContainer bindings1 =
       BindingContext.getCurrent().getCurrentBindingsEntry();
       // Get the sepecific list binding
       JUCtrlListBinding listBinding1 =
       (JUCtrlListBinding)bindings1.get("ACCT_TYPE");
       // Get the value which is currently selected
       Object selectedValue1 = listBinding1.getSelectedValue();
       System.out.println(selectedValue1);
    }if i get ap means my report runs. or else it will shows empty page.
how to get the viewrowimpl class value as string.
Edited by: ADF7 on Mar 24, 2012 7:27 AM

ADF7,
I'm not sure I understand what you are up to.
As far as I understand you want to get the display value instead of the index
I use this code
    public void StatusChangedListener(ValueChangeEvent valueChangeEvent)
        BindingContext lBindingContext = BindingContext.getCurrent();
        BindingContainer lBindingContainer = lBindingContext.getCurrentBindingsEntry();
        JUCtrlListBinding list = (JUCtrlListBinding) lBindingContainer.get("Status");
        int newindex = (Integer) valueChangeEvent.getNewValue();
        Object row = list.getDisplayData(); // Wichtig um die liste zu laden!!!!
        Row lFromList = (Row) list.getValueFromList(newindex);
        Object lAttribute = lFromList.getAttribute("Value");
        String newVal = (String) lAttribute;
    }to get the value from a selectOneChoice component...
Timo

How to get the selected value in SelectOneMenu in backing bean

Hello all,
I need your help. I want to have 2 select menus with the second menu's items list are populated based on the selection in the first menu. I don't know how to get the selected value in the backing bean so that I can based on that select menu to populate the second menu's item list. Basically I need to access to the UI Component of the first select Menu and retrieve its selected value.
Could you help me out?
Thank you very much in advance,
Lngo

Hi Lingo,
There r two ways of getting the values into the list. First one is hardcoding the values and the second one is use the list and get the values into the list by firing a query in the database.
Inorder to display the values in the second menu based on the first onces selection we need to add an attribute to the first selectonemenu known as valueChangeListener and we need to sumit the page.
Here is the sample code
<h:selectOneMenu id="catalogue"
                              binding="#{urbean.catalogue}" onchange="submit()"
                              valueChangeListener="#{urbean.categoryValueChange}"
                              <f:selectItem itemLabel="Select Catalogue" itemValue="" />
                              <f:selectItems value="#{urbean.catalogueList}" />
</h:selectOneMenu>
<h:selectOneMenu id="category"
                              binding="#{urbean.category}">     <f:selectItem itemLabel="Select Category" itemValue="" />
                              <f:selectItems value="#{urbean.categoryList}" />
                              <                         </h:selectOneMenu>
now in method called by valuechangelistener we need to write the similar code
public void categoryValueChange(ValueChangeEvent event) {
String rfnum = (String) event.getNewValue();
List categoryList = new ArrayList();
List tempList = new TablenameDAO().getActiveCatByCatalogueID(rfnum);
          for (int i = 0; i < tempList.size(); i++) {
               Tablename tablename = (Tablename ) tempList.get(i);
               String value = "" + tablename .getrfnum();
String label = tablename .getname();
     if (label == null) {
               label = "";
               SelectItem item = new SelectItem(value, label);
               categoryList.add(item);
          bean.setCategoryList(categoryList);
///getActiveCatByCatalogueID (rfnum) should bring the records which r based on the rfnum
if u follow this process i am damsure that u will get the values in to the secondlist based upon the first list
Thanks & Regards
Manidhar

How to get lov display value dynamically for an item according to date pick

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