Ajax Framework - Partial Process
Partial processing enables executing certain components while ignoring others during a request.
Documentation
<h:form>
<h:panelGrid id="grid" cellpadding="5" columns="2" style="margin-bottom:10px">
<f:facet name="header">
<p:messages id="msgs" />
</f:facet>
<p:outputLabel for="firstname" value="Firstname:" />
<p:inputText id="firstname" value="#{userView.firstname}" />
<p:outputLabel for="surname" value="Surname:" />
<p:inputText id="surname" value="#{userView.lastname}" required="true" requiredMessage="Surname is required." />
</h:panelGrid>
<h:panelGrid columns="6" cellpadding="5">
<p:commandButton value="All" id="btnAll" process="@all" update="grid" action="#{userView.save}" />
<p:commandButton value="Form" id="btnForm" process="@form" update="grid" action="#{userView.save}" />
<p:commandButton value="This" id="btnThis" process="@this" update="grid" action="#{userView.save}" />
<p:commandButton value="None" id="btnNone" process="@none" update="grid" action="#{userView.save}" />
<p:commandButton value="Parent" id="btnParent" process="@parent" update="grid" action="#{userView.save}" />
<p:commandButton value="This Surname" id="btnSurname" process="@this,surname" update="grid" action="#{userView.save}" />
</h:panelGrid>
</h:form>
@Named
@RequestScoped
public class UserView {
private String firstname;
private String lastname;
public String getFirstname() {
return firstname;
}
public void setFirstname(String firstname) {
this.firstname = firstname;
}
public String getLastname() {
return lastname;
}
public void setLastname(String lastname) {
this.lastname = lastname;
}
public void save() {
FacesContext.getCurrentInstance().addMessage(null,
new FacesMessage("Welcome " + firstname + " " + lastname));
}
}
