<h:form id="form">

    <p:dataGrid id="cars" var="car" value="#{dataGridView.cars}" columns="3" paginator="true" rows="9">
        <f:facet name="header">
            Cars for Sale
        </f:facet>

        <p:panel header="#{car.id}" style="text-align:center">
            <h:panelGrid columns="1" style="width:100%">
                <p:graphicImage name="demo/images/car/#{car.brand}.gif"/> 
                <h:outputText value="#{car.year}" />

                <p:commandButton update="@form:carDetail" oncomplete="PF('carDialog').show()" icon="ui-icon-search" styleClass="ui-button-inline">
                    <h:outputText styleClass="ui-icon ui-icon-search" style="margin:0 auto;" />
                    <f:setPropertyActionListener value="#{car}" target="#{dataGridView.selectedCar}" />
                </p:commandButton>
            </h:panelGrid>
        </p:panel>

    </p:dataGrid>

    <p:dialog header="Car Info" widgetVar="carDialog" modal="true" showEffect="fade" hideEffect="fade" resizable="false">
        <p:outputPanel id="carDetail">
            <p:panelGrid  columns="2" rendered="#{not empty dataGridView.selectedCar}" styleClass="ui-car-detail">
                <f:facet name="header">
                    <p:graphicImage name="demo/images/car/#{dataGridView.selectedCar.brand}-big.gif"/> 
                </f:facet>

                <h:outputText value="Id:" />
                <h:outputText value="#{dataGridView.selectedCar.id}" />

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

                <h:outputText value="Color:" />
                <h:outputText value="#{dataGridView.selectedCar.color}" style="color:#{dataGridView.selectedCar.color}"/>

                <h:outputText value="Price" />
                <h:outputText value="$#{dataGridView.selectedCar.price}" />
            </p:panelGrid>
        </p:outputPanel>
    </p:dialog>

</h:form>

                    

package org.primefaces.showcase.view.data;

import java.io.Serializable;
import java.util.List;
import javax.annotation.PostConstruct;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.ManagedProperty;
import javax.faces.bean.ViewScoped;
import org.primefaces.showcase.domain.Car;
import org.primefaces.showcase.service.CarService;

@ManagedBean
@ViewScoped
public class DataGridView implements Serializable {
    
    private List<Car> cars;
    
    private Car selectedCar;
    
    @ManagedProperty("#{carService}")
    private CarService service;
    
    @PostConstruct
    public void init() {
        cars = service.createCars(48);
    }

    public List<Car> getCars() {
        return cars;
    }

    public void setService(CarService service) {
        this.service = service;
    }

    public Car getSelectedCar() {
        return selectedCar;
    }

    public void setSelectedCar(Car selectedCar) {
        this.selectedCar = selectedCar;
    }
}
                    

package org.primefaces.showcase.service;

import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import javax.faces.bean.ApplicationScoped;
import javax.faces.bean.ManagedBean;
import org.primefaces.showcase.domain.Car;

@ManagedBean(name = "carService")
@ApplicationScoped
public class CarService {
    
    private final static String[] colors;
	
	private final static String[] brands;
    
    static {
		colors = new String[10];
		colors[0] = "Black";
		colors[1] = "White";
		colors[2] = "Green";
		colors[3] = "Red";
		colors[4] = "Blue";
		colors[5] = "Orange";
		colors[6] = "Silver";
		colors[7] = "Yellow";
		colors[8] = "Brown";
		colors[9] = "Maroon";
		
		brands = new String[10];
		brands[0] = "BMW";
		brands[1] = "Mercedes";
		brands[2] = "Volvo";
		brands[3] = "Audi";
		brands[4] = "Renault";
		brands[5] = "Fiat";
		brands[6] = "Volkswagen";
		brands[7] = "Honda";
		brands[8] = "Jaguar";
		brands[9] = "Ford";
	}
    
    public List<Car> createCars(int size) {
        List<Car> list = new ArrayList<Car>();
		for(int i = 0 ; i < size ; i++) {
			list.add(new Car(getRandomId(), getRandomBrand(), getRandomYear(), getRandomColor(), getRandomPrice(), getRandomSoldState()));
        }
        
        return list;
    }
    
    private String getRandomId() {
		return UUID.randomUUID().toString().substring(0, 8);
	}
    
    private int getRandomYear() {
		return (int) (Math.random() * 50 + 1960);
	}
	
	private String getRandomColor() {
		return colors[(int) (Math.random() * 10)];
	}
	
	private String getRandomBrand() {
		return brands[(int) (Math.random() * 10)];
	}
    
    public int getRandomPrice() {
		return (int) (Math.random() * 100000);
	}
    
    public boolean getRandomSoldState() {
		return (Math.random() > 0.5) ? true: false;
	}

    public List<String> getColors() {
        return Arrays.asList(colors);
    }
    
    public List<String> getBrands() {
        return Arrays.asList(brands);
    }
}