Segue o codigo , no lugar do command button excluir gostaria de por um confirm dialog , mais nao consigui seguindo o modelo do primefaces/showcase.
<?xml version="1.0" encoding="ISO-8859-1"?>
<ui:composition template="/templates/principal.xhtml"
xmlns="http://www.w3.org/1999/xhtml"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:p="http://primefaces.org/ui">
<ui:define name="title">
Listagem de Carros
</ui:define>
<ui:define name="center">
<h:form>
<p:growl id="growl" showDetail="true" sticky="false" life="2000" />
<p:panel id="panel" header="Lista de carros" footer="Rodapé tabela">
<p:commandButton id="btnCadastro" value="Novo"
action="#{carroMB.doNovoAction}" ajax="false" />
<p:dataTable id="tblCarro" value="#{carroMB.listaCarro}"
var="carro" paginator="true" resizableColumns="true"
rows="5" selectionMode="single" rowKey="#{carro}" emptyMessage="Sem registros">
<p:column>
<f:facet name="header">Nome</f:facet>
<p:outputLabel value="#{carro.nome}"/>
</p:column>
<p:column>
<f:facet name="header">Ação</f:facet>
<p:commandButton id="btnEditar" value="Editar"
action="#{carroMB.doEditarAction}" ajax="false">
<f:setPropertyActionListener
target="#{carroMB.carro}" value="#{carro}" />
</p:commandButton>
<p:spacer height="10"/>
[color=red]<p:commandButton id="btnExcluir" value="Excluir"
action="#{carroMB.doExcluirAction}" ajax="false">
<f:setPropertyActionListener
target="#{carroMB.carro}" value="#{carro}" />
</p:commandButton>[/color]
</p:column>
</p:dataTable>
</p:panel>
</h:form>
</ui:define>
</ui:composition>
se alguem conseguir adaptar o trecho pra um confirm dialog.. de qualquer forma obrigado!

