selectOneChoice populate with pre-selected default value - oracle-adf

Question

I need af:selectOneChoice populated with values from the backing bean and one the value from the list (say index=5) should be selected by default. We are using Oracle Adf 10.*
Can somebody help me on this ?
Thanks

Answer 1

For populating the list values, you can use:
<af:selectOneChoice value="val3" label="XXXX" id="soc1" >
<f:selectItems value="#{YourBean.values}" id="si1"/>
</af:selectOneChoice>
In YourBean.java , you will have a method like:
public List<SelectItem> getValues() {
if (list == null) {
list = new ArrayList<SelectItem>();
list(new SelectItem("val1","Label 1"));
list(new SelectItem("val2","Label 2"));
list(new SelectItem("val3","Label 3"));
}
return list;
}
This way you will see "Label 3" as default value in your choice list.

Answer 2

For setting default value, you can use this:
<af:selectOneChoice label="My Field"
id="MyField" value="#{bindings.MyAttribute.inputValue}"
autoSubmit="true"
binding="#{MyBean.myField}">
<f:selectItems value="#{bindings.MyAttribute.items}"
id="MyFieldItems"/>
</af:selectOneChoice>
Notice that SelectOneChoice field has a binding to a java bean. We will use setter method to set default value.
public void setMyField(RichSelectOneChoice myField) {
// since getter/setter methods are called multiple times on
// page load, we need to prevent setting attribute value more than once
if(myField != null && myField.getValue() == null){
ADFUtils.setBoundAttributeValue("MyAttribute", "SomeValue");
}
this.myField = myField;
}
For setting default index (for example, first from the list) we can use a similar approach:
public void setMyField(RichSelectOneChoice myField) {
if(myField != null && myField.getValue() == null){
// default value will be 1st from the list
myField.setValue(0);
}
this.myField = myField;
}