JSF2 Primefaces – p:galleria Example

p:galleria è un tag per la visualizzazione delle immagini:

<p:galleria value=”#{galleriaBean.images}” var=”image” >
    <p:graphicImage value=”/resources/images/#{image}” />
</p:galleria>

Si hanno a disposizione vari effetti:
http://primefaces-rocks.appspot.com/ui/galleria.jsf

Bean java e pagina xhtml

galleria.xhtml

<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>
<html xmlns=”http://www.w3.org/1999/xhtml”
xmlns:f=”http://java.sun.com/jsf/core”
xmlns:h=”http://java.sun.com/jsf/html”
xmlns:ui=”http://java.sun.com/jsf/facelets”
xmlns:p=”http://primefaces.org/ui”
xmlns:c=”http://java.sun.com/jsp/jstl/core”>
<h:head/>
<h:body>
<h:form>
<h3>Images1 </h3>  
<p:galleria value=”#{galleriaBean.images}” var=”image” panelWidth=”500″ panelHeight=”313″ effectSpeed=”1000″>  
    <p:graphicImage value=”/resources/images/#{image}” />  
</p:galleria>  
  
<h3>Custom Content</h3>  
<p:galleria id=”contentGalleria” value=”#{galleriaBean.players}” var=”player” panelWidth=”250″ panelHeight=”300″  
            frameWidth=”48″ frameHeight=”65″ effect=”clip”>  
  
    <p:graphicImage id=”playerImage” value=”/resources/images/#{player.photo}” alt=”#{image}” title=”#{player.name}”/>  
    <f:facet name=”content”>  
        <h:panelGrid  columns=”2″ cellpadding=”5″>  
            <f:facet name=”header”>  
                <p:graphicImage value=”/resources/images/#{player.photo}” />  
            </f:facet>  
  
            <h:outputText value=”Name: ” />  
            <h:outputText id=”name” value=”#{player.name}”/>  
  
            <h:outputText value=”Number ” />  
            <h:outputText id=”number” value=”#{player.number}”/>  
  
            <h:outputText value=”Position ” />  
            <h:outputText id=”position” value=”#{player.position}”/>  
        </h:panelGrid>  
    </f:facet>  
  
</p:galleria>  
 </h:form>
</h:body>
</html>

GalleriaBean.java

package com;

import java.util.ArrayList;
import java.util.List;
import java.util.ResourceBundle;

import javax.annotation.PostConstruct;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.faces.context.FacesContext;
import javax.faces.event.AjaxBehaviorEvent;

import java.util.ArrayList;  
import java.util.List;  
import javax.annotation.PostConstruct;  

@ManagedBean
@SessionScoped
public class GalleriaBean {  
  
    private List<String> images;  
  
    private List<Player> players;  
  
    private Player selectedPlayer;  
  
    @PostConstruct  
    public void init() {  
        images = new ArrayList<String>();  
  
        for(int i=1;i<=12;i++) {  
            images.add(“photoProfile.png”);  
        }  
  
        players = new ArrayList<Player>();  
  
        players.add(new Player(“Messi”, 10, “photoProfile.png”, “CF”));  
        players.add(new Player(“Iniesta”, 8, “photoProfile.png”, “CM”));  
        players.add(new Player(“Villa”, 7, “photoProfile.png”, “CF”));  
        players.add(new Player(“Xavi”, 6, “photoProfile.png”, “CM”));  
        players.add(new Player(“Puyol”, 5, “photoProfile.png”, “CB”));  
    }  
  
    public Player getSelectedPlayer() {  
        return selectedPlayer;  
    }  
  
    public void setSelectedPlayer(Player selectedPlayer) {  
        this.selectedPlayer = selectedPlayer;  
    }  
  
     
    public List<String> getImages() {  
        return images;  
    }  
  
    public List<Player> getPlayers() {  
        return players;  
    }  
}  
  


Esecuzione
Deployando e, da browser, chiamando l’url:

http://localhost:8080/JSFProject/faces/galleria.xhtml

si ottiene:

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