How can I use a panel of single query with criteria of two view?

Hi all

I have a requirement to allow users to change the "display mode" on a table of tree search results for an advanced search page. What this will do, is change the structure of how the data are arranged. In one case, the picture of the tree is 3 levels deep, otherwise, it's only 2 with different data at the level of the root node.


What I've done so far:


1) I exposed the relationship of data for these two ways to view the data in the data model of the module of the application.

(2) I created a view of criteria in two view objects that are originally relationships, where (for simplicity) I'm comparing only one field.

It is in the object from a point of view:

<ViewCriteria
    Name="PartsVOCriteria"
    ViewObjectName="gov.nasa.jpl.ocio.qars.model.views.PartsVO"
    Conjunction="AND">
    <Properties>... </Properties>
    <ViewCriteriaRow
      Name="vcrow23"
      UpperColumns="1">
      <ViewCriteriaItem
        Name="PartDiscrepantItemsWithIRVO"
        ViewAttribute="PartDiscrepantItemsWithIRVO"
        Operator="EXISTS"
        Conjunction="AND"
        IsNestedCriteria="true"
        Required="Optional">
        <ViewCriteria
          Name="PartDiscrepantItemsWithIRVONestedCriteria"
          ViewObjectName="gov.nasa.jpl.ocio.qars.model.views.PartDiscrepantItemsWithIRVO"
          Conjunction="AND">
          <ViewCriteriaRow
            Name="vcrow26"
            UpperColumns="1">
            <ViewCriteriaItem
              Name="InspectionRecordNumber"
              ViewAttribute="InspectionRecordNumber"
              Operator="="
              Conjunction="AND"
              Value=""
              Required="Optional"/>
          </ViewCriteriaRow>
        </ViewCriteria>
      </ViewCriteriaItem>
    </ViewCriteriaRow>
  </ViewCriteria>

and it is in the other display object:

 <ViewCriteria
      Name="IRSearchCriteria"
      ViewObjectName="gov.nasa.jpl.ocio.qars.model.views.InspectionRecordVO"
      Conjunction="AND">
      <Properties>... </Properties>
      <ViewCriteriaRow
         Name="vcrow7"
         UpperColumns="1">
         <ViewCriteriaItem
            Name="InspectionRecordNumber"
            ViewAttribute="InspectionRecordNumber"
            Operator="="
            Conjunction="AND"
            Required="Optional"/>
      </ViewCriteriaRow>
   </ViewCriteria>

(3) I had a query Panel table and automatically generated tree by doing drag control data for ONE of the relationship of view object data that is exposed in the app module. Then, I created a second query Panel table and tree in the same way but using the data control to the other. I am one of the query cache permanently panels and toggling the visibility of the tree based on the user tables selects display mode. Both have separate links and iterators.

It is a part of the definition of the page:

<executables>
    <variableIterator id="variables"/>
    <searchRegion Criteria="IRSearchCriteria"
                  Customizer="oracle.jbo.uicli.binding.JUSearchBindingCustomizer"
                  Binds="InspectionRecordVOIterator"
                  id="IRSearchCriteriaQuery"/>
    <iterator Binds="InspectionRecordVO" RangeSize="25"
              DataControl="QARS_AppModuleDataControl"
              id="InspectionRecordVOIterator" ChangeEventPolicy="ppr"/>
    <iterator Binds="Root.QARS_AppModule.PartsVO1"
              DataControl="QarsMasterAppModuleDataControl" RangeSize="25"
              id="PartsVO1Iterator"/>
    <searchRegion Criteria="PartsVOCriteria"
                  Customizer="oracle.jbo.uicli.binding.JUSearchBindingCustomizer"
                  Binds="PartsVO1Iterator" id="PartsVOCriteriaQuery"/>
  </executables>

(4) I have created a queryListener custom to delegate the query event.

It's in my jsp to advanced search page:

<af:query id="qryId1" headerText="Search" disclosed="true"
                  value="#{bindings.IRSearchCriteriaQuery.queryDescriptor}"
                  model="#{bindings.IRSearchCriteriaQuery.queryModel}"
                  queryListener="#{pageFlowScope.SearchBean.doSearch}"
                  queryOperationListener="#{bindings.IRSearchCriteriaQuery.processQueryOperation}"
                  resultComponentId="::resId2" maxColumns="1"
                  displayMode="compact" type="stretch"/>

It's in my grain of support:

public void doSearch(QueryEvent queryEvent) {
      String bindingName = flag
         ? "#{bindings.IRSearchCriteriaQuery.processQuery}"
         : "#{bindings.PartsVOCriteriaQuery.processQuery}";

      invokeMethodExpression(bindingName, queryEvent);
   }

   private void invokeMethodExpression(String expr, QueryEvent queryEvent) {
      FacesContext fctx = FacesContext.getCurrentInstance();
      ELContext elContext = fctx.getELContext();
      ExpressionFactory eFactory = fctx.getApplication().getExpressionFactory();
     
      MethodExpression mexpr =
         eFactory.createMethodExpression(elContext, expr, Object.class, new Class[] { QueryEvent.class });
     
      mexpr.invoke(elContext, new Object[] { queryEvent });
   }

When no number inspection (the only field of research so far) is provided in the query Panel, then it behaves properly. Namely, table tree shows all the search results. However, when a record number of inspection is supplied the table from the tree that was created with the query running Board (don't forget there are two query panels, one of them hides) shows a single result (this is correct), while the other table tree (the one with the control panel hidden query that is not used) shows all the results (this is NOT correct).

What I'm trying to accomplish is still doable? If so, what Miss me?

I use JDeveloper 11.1.1.7

Thank you

Bill

I ended up keeping a single query visible panel permanently and the other hidden permanently. When you perform a search using the table that has the hidden query Panel, I have the descriptor of the request for the Panel to request hidden using the descriptor of the request of the Commission in visible motion of the seeds and then delegate the request:

   public void doSearch(QueryEvent queryEvent) {
      String bindingName = null;

      if(isIrTableRendered()) {
         bindingName = "#{bindings.IRSearchCriteriaQuery.processQuery}";
      } else {
         seedPartsQueryDescriptor();
         bindingName = "#{bindings.PartsVOCriteriaQuery.processQuery}";
         queryEvent = new QueryEvent(partsQuery, partsQuery.getValue());
      }

      invokeMethodExpression(bindingName, queryEvent);
   }

   private void seedPartsQueryDescriptor() {
      ConjunctionCriterion criterion = irQuery.getValue().getConjunctionCriterion();  

      for(Criterion criteria : criterion.getCriterionList()) {
         AttributeCriterion attributeCriteria = (AttributeCriterion)criteria;

         List values = attributeCriteria.getValues();

         String qualifiedName = attributeCriteria.getAttribute().getName();
         int indexOfDot = qualifiedName.lastIndexOf(".");

         String name = indexOfDot < 0
            ? qualifiedName
            : qualifiedName.substring(indexOfDot + 1);

         ConjunctionCriterion partsCriterion =
            partsQuery.getValue().getConjunctionCriterion();

         for (Criterion partsCriteria : partsCriterion.getCriterionList()) {
            AttributeCriterion partsAttributeCriteria =
               (AttributeCriterion) partsCriteria;

            String partsQualifiedName =
               partsAttributeCriteria.getAttribute().getName();

            if (partsQualifiedName.endsWith(name)) {
               partsAttributeCriteria.setOperator(attributeCriteria.getOperator());

               List partsValues = partsAttributeCriteria.getValues();

               partsValues.clear();

               for (int i = 0, count = values.size(); i < count; i++) {
                  partsValues.set(i, values.get(i));
               }
            }
         }
      }
   }

   private void invokeMethodExpression(String expr, QueryEvent queryEvent) {
      FacesContext facesContext = FacesContext.getCurrentInstance();
      ELContext elContext = facesContext.getELContext();
      ExpressionFactory expressionFactory =
         facesContext.getApplication().getExpressionFactory();

      MethodExpression methodExpression =
         expressionFactory.createMethodExpression(elContext, expr, Object.class, new Class[] { QueryEvent.class });

      methodExpression.invoke(elContext, new Object[] { queryEvent });
   }

Then when the basis advanced/Panel visible query button, I put the same mode for the control panel hidden query programmatically:

   public void handleQueryModeChange(QueryOperationEvent queryOperationEvent) {
      if(queryOperationEvent.getOperation() == QueryOperationEvent.Operation.MODE_CHANGE) {
         QueryMode queryMode = (QueryMode) irQuery.getValue().getUIHints().get(QueryDescriptor.UIHINT_MODE);
         QueryDescriptor queryDescriptor = partsQuery.getValue();

         queryDescriptor.changeMode(queryMode);
         AdfFacesContext.getCurrentInstance().addPartialTarget(partsQuery);
      }
   }

Tags: Java

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