DataTable - Selection

There are various ways to select rows from the datatable.

Basic
IdYearBrandColor
f51c11201989FiatWhite
9f01d6281966VolvoBrown
696fe85b1994JaguarYellow
301581991979MercedesYellow
17a8d7901981VolvoYellow
99f0133c1977HondaBlack
c71997211981VolkswagenGreen
967c20181984FordBlack
6cb0e1a71961HondaBlack
e63ec3b41960VolkswagenBrown
Single with Row Click
IdYearBrandColor
432a79861973MercedesBlue
a39baddf1990FiatYellow
6b6014b91983HondaSilver
3599c3f91965BMWYellow
9cf5d5fa1998FordWhite
9b89da6f1962RenaultMaroon
f3c622be2006MercedesBrown
62c716291970RenaultOrange
ce7549431970AudiOrange
501bf08d1995FiatWhite
Select Events
IdYearBrandColor
8b16f1f51971HondaBlue
ebee9acd1969JaguarRed
84e5513e1972FordSilver
7112f99b1994AudiGreen
9beae5461973VolvoYellow
8aa0aac71976FiatGreen
3e38eea91965HondaBlack
b729b73f2003VolvoOrange
c54d8d881994HondaBrown
06018c4e1991MercedesYellow
Multiple with Meta and Shift keys
IdYearBrandColor
bcc7c92b1997VolvoSilver
35ffb0f41981AudiBlue
bddf08761997RenaultWhite
cb4719f81962FordYellow
f525a4421999FordBlack
170139541967FiatBrown
4c3329952003FiatRed
f2848f291991BMWSilver
614ac1541984VolvoMaroon
c00eaa172002VolkswagenBlack
RadioButton
IdYearBrandColor
5294dced1996RenaultWhite
29aa55f71988AudiOrange
c311218f2009MercedesYellow
2d74d3181977HondaSilver
7af2658f2006RenaultOrange
d094d5fc2007RenaultBlack
bb51efde1972MercedesBlue
edb9d1981992JaguarSilver
7ab0d9442002JaguarOrange
372dcda91962BMWYellow
Checkbox
IdYearBrandColor
b95e85c21967AudiBrown
71fb8d4d1989BMWBrown
8cc4f5121998JaguarYellow
590f84bf1961FordBrown
e10147ae1985AudiRed
dc0043b81964AudiBlack
8f561ff81991HondaBlue
12eae7481985AudiBlack
12a527831973FiatMaroon
ba175cbe2005MercedesYellow
Car Info
Selected Cars
<style type="text/css">
    .value {
        font-weight: bold;
    }
    
    .ui-datatable {
        margin-bottom: 25px
    }
    
    .ui-datatable .ui-datatable-footer {
        text-align:left;
    }
    
    .ui-datalist ul {
        padding: 0 0 0 10px;
        margin: 5px 0;
    }
    
    .ui-datatable .ui-button-icon-only .ui-button-text {
        padding: 0;
        line-height: 1.2;
    }
</style>


<h:form id="form">
    <p:growl id="msgs" showDetail="true" />

    <p:dataTable id="basicDT" var="car" value="#{dtSelectionView.cars1}">
        <f:facet name="header">
            Basic
        </f:facet>
        <p:column headerText="Id">
            <h:outputText value="#{car.id}" />
        </p:column>
        <p:column headerText="Year">
            <h:outputText value="#{car.year}" />
        </p:column>
        <p:column headerText="Brand">
            <h:outputText value="#{car.brand}" />
        </p:column>
        <p:column headerText="Color">
            <h:outputText value="#{car.color}" />
        </p:column>
        <p:column style="width:32px;text-align: center">
             <p:commandButton update=":form:carDetail" oncomplete="PF('carDialog').show()" icon="pi pi-search" title="View">
                <f:setPropertyActionListener value="#{car}" target="#{dtSelectionView.selectedCar}" />
            </p:commandButton>
        </p:column>
    </p:dataTable>
    
    <p:dataTable id="singleDT" var="car" value="#{dtSelectionView.cars2}" selectionMode="single" selection="#{dtSelectionView.selectedCar}" rowKey="#{car.id}">
        <f:facet name="header">
            Single with Row Click
        </f:facet>
        <p:column headerText="Id">
            <h:outputText value="#{car.id}" />
        </p:column>
        <p:column headerText="Year">
            <h:outputText value="#{car.year}" />
        </p:column>
        <p:column headerText="Brand">
            <h:outputText value="#{car.brand}" />
        </p:column>
        <p:column headerText="Color">
            <h:outputText value="#{car.color}" />
        </p:column>
        <f:facet name="footer">
            <p:commandButton process="singleDT" update=":form:carDetail" icon="pi pi-search" value="View" oncomplete="PF('carDialog').show()" />
        </f:facet>
    </p:dataTable>
    
    <p:dataTable id="eventsDT" var="car" value="#{dtSelectionView.cars3}" selectionMode="single" selection="#{dtSelectionView.selectedCar}" rowKey="#{car.id}">
        <f:facet name="header">
            Select Events
        </f:facet>
        <p:ajax event="rowSelect" listener="#{dtSelectionView.onRowSelect}" update=":form:msgs" />
        <p:ajax event="rowUnselect" listener="#{dtSelectionView.onRowUnselect}" update=":form:msgs" />
        <p:column headerText="Id">
            <h:outputText value="#{car.id}" />
        </p:column>
        <p:column headerText="Year">
            <h:outputText value="#{car.year}" />
        </p:column>
        <p:column headerText="Brand">
            <h:outputText value="#{car.brand}" />
        </p:column>
        <p:column headerText="Color">
            <h:outputText value="#{car.color}" />
        </p:column>
    </p:dataTable>
    
    <p:dataTable id="multipleDT" var="car" value="#{dtSelectionView.cars4}" selectionMode="multiple" selection="#{dtSelectionView.selectedCars}" rowKey="#{car.id}">
        <f:facet name="header">
            Multiple with Meta and Shift keys
        </f:facet>
        <p:column headerText="Id">
            <h:outputText value="#{car.id}" />
        </p:column>
        <p:column headerText="Year">
            <h:outputText value="#{car.year}" />
        </p:column>
        <p:column headerText="Brand">
            <h:outputText value="#{car.brand}" />
        </p:column>
        <p:column headerText="Color">
            <h:outputText value="#{car.color}" />
        </p:column>
        <f:facet name="footer">
            <p:commandButton process="multipleDT" update=":form:multiCarDetail" icon="pi pi-search" value="View" oncomplete="PF('multiCarDialog').show()" />
        </f:facet>
    </p:dataTable>
    
    <p:dataTable id="radioDT" var="car" value="#{dtSelectionView.cars5}" selection="#{dtSelectionView.selectedCar}" rowKey="#{car.id}">
        <f:facet name="header">
            RadioButton
        </f:facet>
        <p:column selectionMode="single" style="width:16px;text-align:center"/>
        <p:column headerText="Id">
            <h:outputText value="#{car.id}" />
        </p:column>
        <p:column headerText="Year">
            <h:outputText value="#{car.year}" />
        </p:column>
        <p:column headerText="Brand">
            <h:outputText value="#{car.brand}" />
        </p:column>
        <p:column headerText="Color">
            <h:outputText value="#{car.color}" />
        </p:column>
        <f:facet name="footer">
            <p:commandButton process="radioDT" update=":form:carDetail" icon="pi pi-search" value="View" oncomplete="PF('carDialog').show()" />
        </f:facet>
    </p:dataTable>
    
    <p:dataTable id="checkboxDT" var="car" value="#{dtSelectionView.cars6}" selection="#{dtSelectionView.selectedCars}" rowKey="#{car.id}" style="margin-bottom:0">
        <f:facet name="header">
            Checkbox
        </f:facet>
        <p:column selectionMode="multiple" style="width:16px;text-align:center"/>
        <p:column headerText="Id">
            <h:outputText value="#{car.id}" />
        </p:column>
        <p:column headerText="Year">
            <h:outputText value="#{car.year}" />
        </p:column>
        <p:column headerText="Brand">
            <h:outputText value="#{car.brand}" />
        </p:column>
        <p:column headerText="Color">
            <h:outputText value="#{car.color}" />
        </p:column>
        <f:facet name="footer">
            <p:commandButton process="checkboxDT" update=":form:multiCarDetail" icon="pi pi-search" value="View" oncomplete="PF('multiCarDialog').show()" />
        </f:facet>
    </p:dataTable>
    
    <p:dialog header="Car Info" widgetVar="carDialog" modal="true" showEffect="fade" hideEffect="fade" resizable="false">
        <p:outputPanel id="carDetail" style="text-align:center;">
            <p:panelGrid  columns="2" rendered="#{not empty dtSelectionView.selectedCar}" columnClasses="label,value">
                <f:facet name="header">
                    <p:graphicImage name="demo/images/car/#{dtSelectionView.selectedCar.brand}-big.gif"/> 
                </f:facet>
                
                <h:outputText value="Id:" />
                <h:outputText value="#{dtSelectionView.selectedCar.id}" />

                <h:outputText value="Year" />
                <h:outputText value="#{dtSelectionView.selectedCar.year}" />

                <h:outputText value="Color:" />
                <h:outputText value="#{dtSelectionView.selectedCar.color}" style="color:#{dtSelectionView.selectedCar.color}"/>
            
                <h:outputText value="Price" />
                <h:outputText value="$#{dtSelectionView.selectedCar.price}" />
            </p:panelGrid>
        </p:outputPanel>
    </p:dialog>
    
    <p:dialog header="Selected Cars" widgetVar="multiCarDialog" modal="true" showEffect="fade" hideEffect="fade" resizable="false" width="220">
        <p:outputPanel id="multiCarDetail" style="text-align:center;">
            <ui:repeat value="#{dtSelectionView.selectedCars}" var="car">
                <h:outputText value="#{car.id} - #{car.brand}" style="display:block"/>
            </ui:repeat>
        </p:outputPanel>
    </p:dialog>
</h:form>