<a:form> <a:dataScroller value="#{dataScrollerView.cars}" var="car" chunkSize="10"> <f:facet name="header"> Scroll Down to Load More Cars </f:facet> <h:panelGrid columns="2" style="width:100%" columnClasses="logo,detail"> <a:graphicImage name="demo/images/car/#{car.brand}-big.gif" /> <a:outputPanel> <h:panelGrid columns="2" cellpadding="5"> <h:outputText value="Id:" /> <h:outputText value="#{car.id}" style="font-weight: bold"/> <h:outputText value="Year:" /> <h:outputText value="#{car.year}" style="font-weight: bold"/> <h:outputText value="Color:" /> <h:outputText value="#{car.color}" style="font-weight: bold"/> </h:panelGrid> </a:outputPanel> </h:panelGrid> </a:dataScroller> </a:form>
package com.jarch.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 DataScrollerView implements Serializable { private List<Car> cars; @ManagedProperty("#{carService}") private CarService service; @PostConstruct public void init() { cars = service.createCars(100); } public List<Car> getCars() { return cars; } public void setService(CarService service) { this.service = service; } }
package com.jarch.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); } }