Galleria responsiveness is defined with the responsiveOptions property.
<div class="card">
<p:galleria value="#{galleriaView.photos}" var="photo" numVisible="7" circular="true" responsiveOptions="#{galleriaView.responsiveOptions2}" style="max-width: 800px">
<p:graphicImage name="#{photo.itemImageSrc}" alt="#{photo.alt}" style="width: 100%; display: block" />
<f:facet name="thumbnail">
<p:graphicImage name="#{photo.thumbnailImageSrc}" alt="#{photo.alt}" style="display: block" />
</f:facet>
</p:galleria>
</div>
package org.primefaces.showcase.view.multimedia;
import jakarta.annotation.PostConstruct;
import jakarta.faces.context.FacesContext;
import jakarta.faces.view.ViewScoped;
import jakarta.inject.Inject;
import jakarta.inject.Named;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import io.quarkus.runtime.annotations.RegisterForReflection;
import org.primefaces.model.ResponsiveOption;
import org.primefaces.showcase.domain.Photo;
import org.primefaces.showcase.service.PhotoService;
@Named
@ViewScoped
@RegisterForReflection(serialization = true)
public class GalleriaView implements Serializable {
@Inject
PhotoService service;
private List<Photo> photos;
private List<ResponsiveOption> responsiveOptions1;
private List<ResponsiveOption> responsiveOptions2;
private List<ResponsiveOption> responsiveOptions3;
private int activeIndex = 0;
@PostConstruct
public void init() {
photos = service.getPhotos();
responsiveOptions1 = new ArrayList<>();
responsiveOptions1.add(new ResponsiveOption("1024px", 5));
responsiveOptions1.add(new ResponsiveOption("768px", 3));
responsiveOptions1.add(new ResponsiveOption("560px", 1));
responsiveOptions2 = new ArrayList<>();
responsiveOptions2.add(new ResponsiveOption("1024px", 5));
responsiveOptions2.add(new ResponsiveOption("960px", 4));
responsiveOptions2.add(new ResponsiveOption("768px", 3));
responsiveOptions2.add(new ResponsiveOption("560px", 1));
responsiveOptions3 = new ArrayList<>();
responsiveOptions3.add(new ResponsiveOption("1500px", 5));
responsiveOptions3.add(new ResponsiveOption("1024px", 3));
responsiveOptions3.add(new ResponsiveOption("768px", 2));
responsiveOptions3.add(new ResponsiveOption("560px", 1));
}
public void changeActiveIndex() {
Map<String, String> params = FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap();
this.activeIndex = Integer.valueOf(params.get("index"));
}
public List<Photo> getPhotos() {
return photos;
}
public List<ResponsiveOption> getResponsiveOptions1() {
return responsiveOptions1;
}
public List<ResponsiveOption> getResponsiveOptions2() {
return responsiveOptions2;
}
public List<ResponsiveOption> getResponsiveOptions3() {
return responsiveOptions3;
}
public int getActiveIndex() {
return activeIndex;
}
public void setActiveIndex(int activeIndex) {
this.activeIndex = activeIndex;
}
public void setService(PhotoService service) {
this.service = service;
}
}
package org.primefaces.showcase.service;
import java.util.ArrayList;
import java.util.List;
import jakarta.annotation.PostConstruct;
import jakarta.enterprise.context.ApplicationScoped;
import jakarta.inject.Named;
import org.primefaces.showcase.domain.Photo;
@Named
@ApplicationScoped
public class PhotoService {
private List<Photo> photos;
@PostConstruct
public void init() {
photos = new ArrayList<>();
photos.add(new Photo("demo/images/galleria/galleria1.jpg", "demo/images/galleria/galleria1s.jpg",
"Description for Image 1", "Title 1"));
photos.add(new Photo("demo/images/galleria/galleria2.jpg", "demo/images/galleria/galleria2s.jpg",
"Description for Image 2", "Title 2"));
photos.add(new Photo("demo/images/galleria/galleria3.jpg", "demo/images/galleria/galleria3s.jpg",
"Description for Image 3", "Title 3"));
photos.add(new Photo("demo/images/galleria/galleria4.jpg", "demo/images/galleria/galleria4s.jpg",
"Description for Image 4", "Title 4"));
photos.add(new Photo("demo/images/galleria/galleria5.jpg", "demo/images/galleria/galleria5s.jpg",
"Description for Image 5", "Title 5"));
photos.add(new Photo("demo/images/galleria/galleria6.jpg", "demo/images/galleria/galleria6s.jpg",
"Description for Image 6", "Title 6"));
photos.add(new Photo("demo/images/galleria/galleria7.jpg", "demo/images/galleria/galleria7s.jpg",
"Description for Image 7", "Title 7"));
photos.add(new Photo("demo/images/galleria/galleria8.jpg", "demo/images/galleria/galleria8s.jpg",
"Description for Image 8", "Title 8"));
photos.add(new Photo("demo/images/galleria/galleria9.jpg", "demo/images/galleria/galleria9s.jpg",
"Description for Image 9", "Title 9"));
photos.add(new Photo("demo/images/galleria/galleria10.jpg", "demo/images/galleria/galleria10s.jpg",
"Description for Image 10", "Title 10"));
photos.add(new Photo("demo/images/galleria/galleria11.jpg", "demo/images/galleria/galleria11s.jpg",
"Description for Image 11", "Title 11"));
photos.add(new Photo("demo/images/galleria/galleria12.jpg", "demo/images/galleria/galleria12s.jpg",
"Description for Image 12", "Title 12"));
photos.add(new Photo("demo/images/galleria/galleria13.jpg", "demo/images/galleria/galleria13s.jpg",
"Description for Image 13", "Title 13"));
photos.add(new Photo("demo/images/galleria/galleria14.jpg", "demo/images/galleria/galleria14s.jpg",
"Description for Image 14", "Title 14"));
photos.add(new Photo("demo/images/galleria/galleria15.jpg", "demo/images/galleria/galleria15s.jpg",
"Description for Image 15", "Title 15"));
}
public List<Photo> getPhotos() {
return photos;
}
}
package org.primefaces.showcase.domain;
import java.io.Serializable;
import java.util.UUID;
import io.quarkus.runtime.annotations.RegisterForReflection;
@RegisterForReflection
public class Photo implements Serializable {
private String id;
private String itemImageSrc;
private String thumbnailImageSrc;
private String alt;
private String title;
public Photo() {
this.id = UUID.randomUUID().toString().substring(0, 8);
}
public Photo(String itemImageSrc, String thumbnailImageSrc, String alt, String title) {
this();
this.itemImageSrc = itemImageSrc;
this.thumbnailImageSrc = thumbnailImageSrc;
this.alt = alt;
this.title = title;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getItemImageSrc() {
return itemImageSrc;
}
public void setItemImageSrc(String itemImageSrc) {
this.itemImageSrc = itemImageSrc;
}
public String getThumbnailImageSrc() {
return thumbnailImageSrc;
}
public void setThumbnailImageSrc(String thumbnailImageSrc) {
this.thumbnailImageSrc = thumbnailImageSrc;
}
public String getAlt() {
return alt;
}
public void setAlt(String alt) {
this.alt = alt;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
}