[jboss-user] [JBoss Seam] - PAGE scope DataModel's selection not correct

Mon Sep 18 12:48:17 EDT 2006

I've got a PAGE scope DataModel which was working fine until I added an inputText tag to the page.  Now the selection is always the first one on the list.    I know I've had some trouble understanding exactly how DataModels (and Seam in general, really) works, so I thought I'd post this here to see if someone can educate me before I declare that there's a bug.

I've boiled my code down to isolate the problem.  I have this bean:

  | @Stateful
  | @Scope(ScopeType.SESSION)
  | @Name("foo")
  | public class FooBean implements Serializable, Foo
  | {
  |     static final long serialVersionUID = -6536629890251170098L;
  | 
  |     private static Log log = LogFactory.getLog(FooBean.class);
  | 
  |     public FooBean()
  |     {
  |     }
  | 
  |     private String text;
  |     public String getText()
  |     {
  | 	return text;
  |     }
  |     public void setText(String text)
  |     {
  | 	this.text = text;
  |     }
  | 
  |     @DataModel(scope=ScopeType.PAGE)
  |     List<String> names;
  |     @DataModelSelection
  |     private String selectedName;
  | 
  |     public String dummy()
  |     {
  | 	log.debug("Selected name is " + selectedName);
  | 	return null;
  |     }
  | 
  |     @Factory("names")
  |     public void refresh() {
  | 	names = new LinkedList<String>();
  | 	names.add("Fred");
  | 	names.add("Wilma");
  | 	names.add("Barney");
  | 	names.add("Betty");
  |     }
  | 
  |     @Destroy 
  |     @Remove
  |     public void destroy()
  |     {
  |     }
  | }
  | 

and this page:

  |   <body>
  |       <h:form>
  | <!--	<h:inputText value="#{foo.text}"/> -->
  | 	<h:dataTable value="#{names}" var="name">
  | 	  <h:column>
  | 	    <f:facet name="header">
  | 	      <h:outputText value="Name" />
  | 	    </f:facet>
  | 	    <h:outputText value="#{name}" />
  | 	  </h:column>                        
  | 
  | 	  <h:column>
  | 	    <f:facet name="header">
  | 	      <h:outputText value="Action"/>
  | 	    </f:facet>
  | 	    <h:commandButton action="#{foo.dummy}" value="Test"/>
  | 	  </h:column>
  | 	</h:dataTable>
  |       </h:form>
  |   </body>
  | 

It works fine unless I un-comment the inputText field, in which case the dummy() method always reports that I selected the first name.

What am I doing wrong?

Thanks,

Joe

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