PPR: not working?

Hello

I use jdev 11.1.1.6.0

My user interface look like:

Category: - Please select-

Status: - Select -.

My requirement is:

1.initially, category field must be appear unSelectedLabel.

2. If I choose a value in the category means that status should be visible.

3. If I choose - please select - in category: status should get false visible.

the selected values of first choice are populated programmatically.

Here we are my. JSFF page.

<af:selectOneChoice label="Category" id="soc2" autoSubmit="true"
                              rendered="true"
                              value="#{backingBeanScope.xbean.selectedValue1}"
                              unselectedLabel="--Please Select--"
                              valueChangeListener="#{backingBeanScope.xbean.categorylisteners}">
            <f:selectItems value="#{backingBeanScope.xbean.elements1}"
                           id="si2"/>
          </af:selectOneChoice>

          <af:selectOneChoice label="Status"
                              visible="#{backingBeanScope.xbean.selectedValue1 ne null ? true : false}"
                              value="#{backingBeanScope.xbean.selectedValue}"
                              id="soc3" partialTriggers="soc2"
                              unselectedLabel="--Select--">
            <f:selectItems value="#{backingBeanScope.xbean.elements}"
                           id="si3"/>
          </af:selectOneChoice>

bean code:

    public SelectItem[] elements = null;
    public String selectedValue;

    public SelectItem[] elements1 = null;
    public String selectedValue1;


    public void categorylisteners(ValueChangeEvent valueChangeEvent) {
        // Add event code here...
        if (valueChangeEvent.getNewValue() != null) {
            if (valueChangeEvent.getNewValue().toString().equals("0")) {
                ADFUtil.setBoundAttributeValue("Cat1", "Pol Rel");
            } else if (valueChangeEvent.getNewValue().toString().equals("3")) {
                ADFUtil.setBoundAttributeValue("Cat1", "Cms");
            } else if (valueChangeEvent.getNewValue().toString().equals("6")) {
                ADFUtil.setBoundAttributeValue("Cat1", "Qute");
            }
        }

    }


    public BindingContainer getBindings() {
        return BindingContext.getCurrent().getCurrentBindingsEntry();
    }


    public void setElements(SelectItem[] elements) {
        this.elements = elements;
    }

    public SelectItem[] getElements() {
        BindingContainer bindings = getBindings();
        DCIteratorBinding empVO1 =
            (DCIteratorBinding)bindings.get("Xstatusvo1Iterator");
        ViewObject empVO = empVO1.getViewObject();
        empVO.setWhereClause("CATEGORY = :1");
        empVO.setWhereClauseParam(0, ADFUtil.getBoundAttributeValue("Cat1"));
        empVO.executeQuery();
        int len = empVO.getRowCount();

        elements = new SelectItem[len];
        SelectItem item = null;
        for (int i = 0; i < len; i++) {
            Row rw = empVO1.getRowAtRangeIndex(i);
            if (rw != null) {
                item = new SelectItem();
                item.setValue(rw.getAttribute("Categoryid").toString());
                item.setLabel(rw.getAttribute("Status").toString());
            }
            elements[i] = item;
        }
        return elements;
    }

    public void setSelectedValue(String selectedValue) {
        this.selectedValue = selectedValue;
    }

    public String getSelectedValue() {
        return selectedValue;
    }


    public void setElements1(SelectItem[] elements1) {
        this.elements1 = elements1;
    }

    public SelectItem[] getElements1() {
        BindingContainer bindings = getBindings();
        DCIteratorBinding empVO1 =
            (DCIteratorBinding)bindings.get("xcategoryvo1Iterator");
        ViewObject empVO = empVO1.getViewObject();
        empVO.executeQuery();
        int len = empVO.getRowCount();

        elements1 = new SelectItem[len];
        SelectItem item = null;
        for (int i = 0; i < len; i++) {
            Row rw = empVO1.getRowAtRangeIndex(i);
            if (rw != null) {
                item = new SelectItem();
                item.setValue(i);
                item.setLabel(rw.getAttribute("Category").toString());
            }
            elements1[i] = item;
        }
        return elements1;
    }

    public void setSelectedValue1(String selectedValue1) {
        this.selectedValue1 = selectedValue1;
    }

    public String getSelectedValue1() {
        return selectedValue1;
    }

1.initially, category field must be appear unSelectedLabel.

Nice work

2. If I choose a value in the category means that status should be visible.

works fine

3. If I choose - please select - in category: status should get false visible.

Does not .

I noticed one thing at this point. If I reload the page manually does status get false visible. But I don't want to reload the page manually.

Please check and tell me. what Miss me?

Thank you.

You had your bean in backingBeanScope which means that the bean is created for each request. The value selected in the bean is zero (even if you see the right selected label. Now, if you change the back of the value for the value "select...". "the null value that does not change the original value (in the bean). Only if you change the value of the valueChangeEvent is fired.

Timo

Tags: Java

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