The reason, why I did not use the update="@form", is that there is another form in an overlay panel and via @(.errorHandlingPanel) selector, I should be able to easily trigger the growl without knowing which page currently I'm on.
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<h:body>
<pm:page id="first">
<pm:header title="Page 1"></pm:header>
<pm:content>
<h:form id="form1">
<ui:include src="error_handling.jspx"/>
<p:commandButton id="btn1" value="Save" actionListener="#{growlViewDev.saveMessage}"
update="@(.errorHandlingPanel)"
icon="check"/>
</h:form>
</pm:content>
<pm:footer>
<p:tabMenu>
<p:menuitem value="Page 1"
outcome="pm:first?transition=slide"/>
<p:menuitem value="Page 2"
outcome="pm:second?transition=slide"/>
</p:tabMenu>
</pm:footer>
</pm:page>
<pm:page id="second">
<pm:header title="Page 2"></pm:header>
<pm:content>
<h:form id="form2">
<ui:include src="error_handling.jspx"/>
<p:commandButton id="btn2" value="Save" actionListener="#{growlViewDev.saveMessage2}"
update="@(.errorHandlingPanel)"
icon="check"/>
</h:form>
</pm:content>
<pm:footer>
<p:tabMenu>
<p:menuitem value="Page 1"
outcome="pm:first?transition=slide"/>
<p:menuitem value="Page 2"
outcome="pm:second?transition=slide"/>
</p:tabMenu>
</pm:footer>
</pm:page>
</h:body>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:p="http://primefaces.org/ui"
>
<ui:composition>
<p:outputPanel styleClass="errorHandlingPanel">
<p:growl showDetail="true" showSummary="true" escape="false" sticky="true" globalOnly="true"/>
</p:outputPanel>
</ui:composition>
</html>
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@ManagedBean
public class GrowlViewDev {
public void saveMessage() {
FacesContext context = FacesContext.getCurrentInstance();
context.addMessage(null, new FacesMessage("Successful", "Your message: Button 1") );
context.addMessage(null, new FacesMessage("Second Message", "Additional Message Detail"));
}
public void saveMessage2() {
FacesContext context = FacesContext.getCurrentInstance();
context.addMessage(null, new FacesMessage("Successful", "Your message: Button 2") );
context.addMessage(null, new FacesMessage("Second Message", "Additional Message Detail"));
}
}
Thanks, ilhami