[jbossseam-issues] [JBoss JIRA] Commented: (JBSEAM-1093) s:selectItems noSelectionLabel issue w/JSF 1.2

[Stuart Robertson (JIRA)]

    [ http://jira.jboss.com/jira/browse/JBSEAM-1093?page=comments#action_12356985 ] 
            
Stuart Robertson commented on JBSEAM-1093:
------------------------------------------

I'll look into this some more tomorrow.  I should have pasted this snippet into the bug report, which the bit that's causing the problem (because it's first I think):

						<rich:dataTable value="#{itemFilterCriteria}" var="criteria"
							id="itemSearchCriteriaTable">
							<h:column>
								<f:facet name="header">Field</f:facet>
								<h:selectOneMenu value="#{criteria.field}">
									<s:selectItems value="#{itemSearch.searchableFields}"
										var="field" label="#{field.name}"
										noSelectionLabel="Select search field..."
										hideNoSelectionLabel="false" />
									<s:convertEnum />
								</h:selectOneMenu>
							</h:column>


I have a few of these enum menus, and I posted the second instead of the first - the string does match on this one.

Thanks for looking into it.

> s:selectItems noSelectionLabel issue w/JSF 1.2
> ----------------------------------------------
>
>                 Key: JBSEAM-1093
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-1093
>             Project: JBoss Seam
>          Issue Type: Bug
>          Components: JSF
>    Affects Versions: 1.2.0.GA
>         Environment: Latest Seam version.  JSF 1.2, Facelets, JBoss 4.0.5 on OS X 10.4.9.  
>            Reporter: Stuart Robertson
>         Assigned To: Pete Muir
>
> <h:selectOneMenu value="#{criteria.operation}">
> 	<s:selectItems value="#{itemSearch.operations}" var="operation"
> 		label="#{operation.description}"
> 		noSelectionLabel="Select operation..."
> 		hideNoSelectionLabel="false" />
> 	<s:convertEnum />
> </h:selectOneMenu>
> produces the following exception:
> Caused by: java.lang.IllegalArgumentException: No enum const class com.fb.core.model.cdm.CdmField.Se
> lect search field...
> 	at java.lang.Enum.valueOf(Enum.java:192)
> 	at org.jboss.seam.ui.EnumConverter.getAsObject(EnumConverter.java:16)
> 	at org.jboss.seam.ui.PrioritizableConverter.getAsObject(PrioritizableConverter.java:61)
> 	at org.jboss.seam.ui.ConverterChain.getAsObject(ConverterChain.java:103)
> 	at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRender
> er.java:152)
> 	at com.sun.faces.renderkit.html_basic.MenuRenderer.convertSelectOneValue(MenuRenderer.java:197)
> 	at com.sun.faces.renderkit.html_basic.MenuRenderer.getConvertedValue(MenuRenderer.java:359)
> 	at javax.faces.component.UIInput.getConvertedValue(UIInput.java:934)
> This worked fine before I upgraded to JSF 1.2 (tonight) - though I also upgraded to the latest Seam at the same time. 
> The problem is that the noSelectionLabel is being interpreted as a legitimate selection, rather than being, well, an indicator nothing was selected. 
> The converter is being asked to convert the noSelection value back into an enum. 

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