DataTable - Dynamic Columns

Columns of datatable can be created dynamically using the p:columns component.

Available columns are "id","brand","year","color" and "price".
IDBRANDYEAR
c539ba7cFiat2003
059f5957Fiat1960
81213a45Volvo1992
4d6c3b81Audi2001
f90235ceFiat1990
a50e512fVolvo2000
e6af132fFord1966
4fced3a0BMW1990
d38502d4Mercedes1992
1202c487Renault1965
Available columns are "id","brand","year","color" and "price".

<h:form id="form">    
    <h:panelGrid columns="3" style="margin:10px 0">
        <p:outputLabel for="template" value="Template:" style="font-weight:bold"/>
        <p:inputText id="template" value="#{dtColumnsView.columnTemplate}" size="50"/>
        <p:commandButton update="cars" action="#{dtColumnsView.updateColumns}" value="Update" process="@parent" icon="pi pi-refresh" oncomplete="PF('carsTable').clearFilters()"/>
    </h:panelGrid>

    <p:dataTable id="cars" var="car" value="#{dtColumnsView.cars}" widgetVar="carsTable" filteredValue="#{dtColumnsView.filteredCars}">                    
        <p:columns value="#{dtColumnsView.columns}" var="column" columnIndexVar="colIndex" sortBy="#{car[column.property]}" filterBy="#{car[column.property]}">
            <f:facet name="header">
                <h:outputText value="#{column.header}" />
            </f:facet>
            <h:outputText value="#{car[column.property]}" />
        </p:columns>
    </p:dataTable>
</h:form>