CREATING SELECTONECHOICE PROGRAMATICALLY

Question

Hi,
My requirement is to programatically create SELECTONECHOICE bean and
use databinding to get the values dynamically from backing bean.
The backing bean can be populated from VO or any source.
Can anybody help me with the sample code.
Regards
Ravi

Answer 1

Hi,
here's an example to run it from a command button in a backing bean. Note that this doesn't contain teh component value binding but just the how to create the list
In faces-config.xml, create
<managed-bean>
<managed-bean-name>yourBeanname</managed-bean-name>
<managed-bean-class>yourBean</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
<managed-property>
<property-name>bindings</property-name>
<value>#{bindings}</value>
</managed-property>
</managed-bean>
private DCBindingContainer bindings;
public void setBindings(DCBindingContainer bindings)
this.bindings = bindings;
public DCBindingContainer getBindings()
return bindings;
public String commandButton1_action()
Application apps = FacesContext.getCurrentInstance().getApplication();
CoreSelectOneChoice choice = (CoreSelectOneChoice)apps.createComponent(CoreSelectOneChoice.COMPONENT_TYPE);
choice.setId("choice");
choice.setLabel("Functional Area");
choice.setRendered(true);
choice.setRequired(true);
this.getForm1().getChildren().add(2,choice);
CoreSelectItem selectITem = null;
DCBindingContainer bc = (DCBindingContainer)getBindings();
DCIteratorBinding dcib = bc.findIteratorBinding("DepartmentsViewLOV1Iterator");
int looptime = new Long(dcib.getEstimatedRowCount()).intValue();
for (int runner = 0; runner < looptime; runner++)
selectITem = (CoreSelectItem)apps.createComponent(CoreSelectItem.COMPONENT_TYPE);
selectITem.setId("selectITem"+runner);
selectITem.setLabel((String)dcib.getRowAtRangeIndex(runner).getAttribute("DepartmentName"));
selectITem.setValue(dcib.getRowAtRangeIndex(runner).getAttribute("DepartmentId"));
choice.getChildren().add(0,selectITem);
return null;
I am using the department name as a display value and the department Id as the value. Note that you need to create the pageDef file and the iterator binding to make this work. This can be done by dragging a component from the data control palette to the page and then deleting it without removing the iterator.
Frank