DataTable - Add Row

A new row can be added by clicking the Add new button.

Row Editing with add functionality
IdYearBrandColor
ae3f4420
1990
Fiat
Green
0045c9a3
1972
BMW
Green
a5719638
1994
Honda
Orange
4f7ca2e4
1998
Volvo
Yellow
abf5102f
1984
Jaguar
White
8f29a1cd
1961
Jaguar
Red
ecf359b4
1992
BMW
Red
21ae33ba
2005
Fiat
Silver
09a13059
1994
BMW
Green
1781f977
1975
Fiat
Green
b85ea8d5
1962
Renault
Brown
c2786763
1987
Honda
Red
529f5bd7
1968
Volkswagen
White
555a8e40
1988
Audi
Orange
42336e1d
1966
Renault
Silver
<h:form id="form">
    <p:growl id="msgs" showDetail="true"/>

    <p:dataTable id="cars1" widgetVar="cars1" var="car" value="#{dtAddRowView.cars1}" editable="true" style="margin-bottom:20px">
        <f:facet name="header">
            Row Editing with add functionality
        </f:facet>

        <p:ajax event="rowEdit" listener="#{dtAddRowView.onRowEdit}" update=":form:msgs" />
        <p:ajax event="rowEditCancel" listener="#{dtAddRowView.onRowCancel}" update=":form:msgs" />

        <p:column headerText="Id">
            <p:cellEditor>
                <f:facet name="output"><h:outputText value="#{car.id}" /></f:facet>
                <f:facet name="input"><p:inputText id="modelInput" value="#{car.id}" style="width:100%"/></f:facet>
            </p:cellEditor>
        </p:column>

        <p:column headerText="Year">
            <p:cellEditor>
                <f:facet name="output"><h:outputText value="#{car.year}" /></f:facet>
                <f:facet name="input"><p:inputText value="#{car.year}" style="width:100%" label="Year"/></f:facet>
            </p:cellEditor>
        </p:column>

        <p:column headerText="Brand">
            <p:cellEditor>
                <f:facet name="output"><h:outputText value="#{car.brand}" /></f:facet>
                <f:facet name="input">
                    <h:selectOneMenu value="#{car.brand}" style="width:100%">
                        <f:selectItems value="#{dtEditView.brands}" var="man" itemLabel="#{man}" itemValue="#{man}" />
                    </h:selectOneMenu>
                </f:facet>
            </p:cellEditor>
        </p:column>

        <p:column headerText="Color">
            <p:cellEditor>
                <f:facet name="output"><h:outputText value="#{car.color}" /></f:facet>
                <f:facet name="input">
                    <h:selectOneMenu value="#{car.color}" style="width:100%">
                        <f:selectItems value="#{dtEditView.colors}" var="color" itemLabel="#{color}" itemValue="#{color}" />
                    </h:selectOneMenu>
                </f:facet>
            </p:cellEditor>
        </p:column>

        <p:column style="width:32px">
            <p:rowEditor />
        </p:column>
    </p:dataTable>

     <div class="ui-g">
         <div class="ui-g-12">
             <p:commandButton value="Add new row" styleClass="ui-priority-primary" process="@this" update=":form:msgs"
                              action="#{dtAddRowView.onAddNew()}" oncomplete="PF('cars1').addRow();"/>
         </div>
     </div>

 </h:form>