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PrimeFaces User Guide
3.47 Galleria
Galleria is used to display a set of images.
Info
Tag
galleria
Component Class
org.primefaces.component.galleria.Galleria
Component Type
org.primefaces.component.Galleria
Component Family
org.primefaces.component
Renderer Type
org.primefaces.component.GalleriaRenderer
Renderer Class
org.primefaces.component.galleria.GalleriaRenderer
Attributes
Name
Default
Type
Description
id
null
String
Unique identifier of the component
rendered
true
boolean
Boolean value to specify the rendering of the 
component, when set to false component will not 
be rendered.
binding
null
Object
An el expression that maps to a server side 
UIComponent instance in a backing bean
widgetVar
null
String
Name of the client side widget.
value
null
Collection
Collection of data to display.
var
null
String
Name of variable to access an item in collection.
style
null
String
Inline style of the container element.
styleClass
null
String
Style class of the container element.
effect
fade
String
Name of animation to use.
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PrimeFaces User Guide
Name
Default
Type
Description
effectSpeed
700
Integer
Duration of animation in milliseconds.
panelWidth
600
Integer
Width of the viewport.
panelHeight
400
Integer
Height of the viewport.
frameWidth
60
Integer
Width of the frames.
frameHeight
40
Integer
Height of the frames.
showFilmstrip
true
Boolean
Defines visibility of filmstrip.
showCaption
false
Boolean
Defines visibility of captions.
transitionInterval
4000
Integer
Defines interval of slideshow.
autoPlay
true
Boolean
Images are displayed in a slideshow in autoPlay.
Getting Started with Galleria
Images to displayed are defined as children of galleria;
<p:galleria effect="slide" effectDuration="1000">
<p:graphicImage value="/images/image1.jpg" title="image1" alt="image1 desc" />
<p:graphicImage value="/images/image2.jpg" title="image1" alt=" image2 desc" />
<p:graphicImage value="/images/image3.jpg" title="image1" alt=" image3 desc" />
<p:graphicImage value="/images/image4.jpg" title="image1" alt=" image4 desc" />
</p:galleria>
Galleria  displays  the  details  of  an image  using an  overlay which  is  displayed  by clicking the
information icon. Title of this popup is retrieved from the image title attribute and description from
alt attribute so it is suggested to provide these attributes as well.
Dynamic Collection
Most of the time, you would need to display a dynamic set of images rather than defining each 
image declaratively. For this you can use built-in data iteration feature.
<p:galleria value="#{galleriaBean.images}" var="image" >
<p:graphicImage value="#{image.path}" 
title="#{image.title}" alt="#{image.description}" />
</p:galleria>
Effects
There are various effect options to be used in transitions; blind, bounce, clip, drop, explode, fade, 
fold, highlight, puff, pulsate, scale, shake, size, slide and transfer.
By default animation takes 500 milliseconds, use effectSpeed option to tune this.
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PrimeFaces User Guide
<p:galleria effect="slide" effectSpeed="1000">
//images
</p:galleria>
Skinning
Galleria resides in a main container element which style and styleClass options apply. As skinning 
style classes are global, see the main theming section for more information. Following is the list of 
structural style classes
Style Class
Applies
.ui-galleria
Container element for galleria.
.ui-galleria-panel-wrapper
Container of panels.
.ui-galleria-panel
Container of each image.
.ui-galleria-caption
Caption element.
.ui-galleria-nav-prev, .ui-galleria-nav-next  Navigators of filmstrip.
.ui-galleria-filmstrip-wrapper
Container of filmstrip.
.ui-galleria-filmstrip
Filmstrip element.
.ui-galleria-frame
Frame element in a filmstrip.
.ui-galleria-frame-content
Content of a frame.
.ui-galleria-frame-image
Thumbnail image.
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PrimeFaces User Guide
3.48 GMap
GMap is a map component integrated with Google Maps API V3.
Info
Tag
gmap
Component Class
org.primefaces.component.gmap.GMap
Component Type
org.primefaces.component.Gmap
Component Family
org.primefaces.component
Renderer Type
org.primefaces.component.GmapRenderer
Renderer Class
org.primefaces.component.gmap.GmapRenderer
Attributes
Name
Default
Type
Description
id
null
String
Unique identifier of the component.
rendered
true
Boolean
Boolean value to specify the rendering of the 
component, when set to false component will 
not be rendered.
binding
null
Object
An el expression that maps to a server side 
UIComponent instance in a backing bean.
widgetVar
null
String
Name of the client side widget.
model
null
MapModel
An org.primefaces.model.MapModel instance.
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PrimeFaces User Guide
Name
Default
Type
Description
style
null
String
Inline style of the map container.
styleClass
null
String
Style class of the map container.
type
null
String
Type of the map.
center
null
String
Center point of the map.
zoom
8
Integer
Defines the initial zoom level.
streetView
false
Boolean
Controls street view support.
disableDefaultUI
false
Boolean
Disables default UI controls
navigationControl
true
Boolean
Defines visibility of navigation control.
mapTypeControl
true
Boolean
Defines visibility of map type control.
draggable
true
Boolean
Defines draggability of map.
disabledDoubleClickZoom
false
Boolean
Disables zooming on mouse double click.
onPointClick
null
String
Javascript callback to execute when a point on 
map is clicked.
fitBounds
true
Boolean
Defines if center and zoom should be calculated
automatically to contain all markers on the 
map.
Getting started with GMap
First thing to do is placing V3 of the Google Maps API that the GMap is based on. Ideal location is 
the head section of your page.
<script src="http://maps.google.com/maps/api/js?sensor=true|false"  
type="text/javascript"></script> 
As  Google Maps  api states, mandatory  sensor parameter is  used to specify if your  application
requires a sensor like GPS locator. Four options are required to place a gmap on a page, these are
center, zoom, type and style.
<p:gmap center="41.381542, 2.122893" zoom="15" type="hybrid" 
style="width:600px;height:400px" />
center: Center of the map in lat, lng format
zoom: Zoom level of the map
type: Type of map, valid values are, "hybrid", "satellite", "hybrid" and "terrain".
style: Dimensions of the map.
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PrimeFaces User Guide
MapModel
GMap  is  backed  by  an org.primefaces.model.map.MapModel instance,  PrimeFaces  provides
org.primefaces.model.map.DefaultMapModel as the default implementation. API Docs of all GMap
related model classes are available at the end of GMap section and also at javadocs of PrimeFaces. 
Markers
A marker is represented by org.primefaces.model.map.Marker.
<p:gmap center="41.381542, 2.122893" zoom="15" type="hybrid" 
style="width:600px;height:400px" model="#{mapBean.model}"/>
public class MapBean {
private MapModel model = new DefaultMapModel();
public MapBean() {
model.addOverlay(new Marker(new LatLng(36.879466, 30.667648), "M1"));
//more overlays
}
public MapModel getModel() { return this.model; }
}
Polylines
A polyline is represented by org.primefaces.model.map.Polyline.
<p:gmap center="41.381542, 2.122893" zoom="15" type="hybrid" 
style="width:600px;height:400px" model="#{mapBean.model}"/>
226
PrimeFaces User Guide
public class MapBean {
private MapModel model;
public MapBean() {
model = new DefaultMapModel();
Polyline polyline = new Polyline();
polyline.getPaths().add(new LatLng(36.879466, 30.667648));
polyline.getPaths().add(new LatLng(36.883707, 30.689216));
polyline.getPaths().add(new LatLng(36.879703, 30.706707));
polyline.getPaths().add(new LatLng(36.885233, 37.702323));
model.addOverlay(polyline);
}
public MapModel getModel() { return this.model; }
}
Polygons
A polygon is represented by org.primefaces.model.map.Polygon.
<p:gmap center="41.381542, 2.122893" zoom="15" type="hybrid" 
style="width:600px;height:400px" model="#{mapBean.model}"/>
public class MapBean {
private MapModel model;
public MapBean() {
model = new DefaultMapModel();
Polygon polygon = new Polygon();
polyline.getPaths().add(new LatLng(36.879466, 30.667648));
polyline.getPaths().add(new LatLng(36.883707, 30.689216));
polyline.getPaths().add(new LatLng(36.879703, 30.706707));
model.addOverlay(polygon);
}
public MapModel getModel() { return this.model; }
}
Circles
A circle is represented by org.primefaces.model.map.Circle.
<p:gmap center="41.381542, 2.122893" zoom="15" type="hybrid" 
style="width:600px;height:400px" model="#{mapBean.model}"/>
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PrimeFaces User Guide
public class MapBean {
private MapModel model;
public MapBean() {
model = new DefaultMapModel();
Circle circle = new Circle(new LatLng(36.879466, 30.667648), 500);
model.addOverlay(circle);
}
public MapModel getModel() { return this.model; }
}
Rectangles
A circle is represented by org.primefaces.model.map.Rectangle.
<p:gmap center="41.381542, 2.122893" zoom="15" type="hybrid" 
style="width:600px;height:400px" model="#{mapBean.model}"/>
public class MapBean {
private MapModel model;
public MapBean() {
model = new DefaultMapModel();
LatLng coord1 = new LatLng(36.879466, 30.667648);
LatLng coord2 = new LatLng(36.883707, 30.689216);
Rectangle rectangle = new Rectangle(coord1, coord2);
model.addOverlay(circle);
}
public MapModel getModel() { return this.model; }
}
GeoCoding
Geocoding support is provided by client side api. Results are then passed to the backing bean using
GeocodeEvent and ReverseGeocodeEvent instances via ajax behavior callbacks.
<p:gmap widgetVar="pmap">
<p:ajax event="geocode" listener="#{bean.onGeocode}" />
</p:map>
<script>
PF('pmap').geocode('Barcelona');
</script>
public void onGeocode(GeocodeEvent event) {
List<GeocodeResult> results = event.getResults();
}
228
PrimeFaces User Guide
Ajax Behavior Events
GMap provides many custom ajax behavior events for you to hook-in to various features.
Event
Listener Parameter
Fired
overlaySelect
org.primefaces.event.map.OverlaySelectEvent
When an overlay is selected.
stateChange
org.primefaces.event.map.StateChangeEvent
When map state changes.
pointSelect
org.primefaces.event.map.PointSelectEvent
When an empty point is selected.
markerDrag
org.primefaces.event.map.MarkerDragEvent
When a marker is dragged.
Following example displays a FacesMessage about the selected marker with growl component.
<h:form>
<p:growl id="growl" />
<p:gmap center="41.381542, 2.122893" zoom="15" type="hybrid" 
style="width:600px;height:400px" model="#{mapBean.model}">
<p:ajax event="overlaySelect" listener="#{mapBean.onMarkerSelect}"
update="growl" />
</p:gmap>
</h:form>
public class MapBean {
private MapModel model;
public MapBean() {
model = new DefaultMapModel();
//add markers
}
public MapModel getModel() {
return model
}
public void onMarkerSelect(OverlaySelectEvent event) {
Marker selectedMarker = (Marker) event.getOverlay();
//add facesmessage
}
}
InfoWindow
A common use case is displaying an info window when a marker is selected. gmapInfoWindow is
used to implement this special use case. Following example, displays an info window that contains
an image of the selected marker data.
229
PrimeFaces User Guide
<h:form>
<p:gmap center="41.381542, 2.122893" zoom="15" type="hybrid" 
style="width:600px;height:400px" model="#{mapBean.model}">
<p:ajax event="overlaySelect" listener="#{mapBean.onMarkerSelect}" />
<p:gmapInfoWindow>
<p:graphicImage value="/images/#{mapBean.marker.data.image}" />
<h:outputText value="#{mapBean.marker.data.title}" />
</p:gmapInfoWindow>
</p:gmap>
</h:form>
public class MapBean {
private MapModel model;
private Marker marker;
public MapBean() {
model = new DefaultMapModel();
//add markers
}
public MapModel getModel() { return model; }
public Marker getMarker() { return marker; }
public void onMarkerSelect(OverlaySelectEvent event) {
this.marker = (Marker) event.getOverlay();
}
}
Street View
StreeView is enabled simply by setting streetView option to true.
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