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PrimeFaces User Guide
Client Side API
Widget: PrimeFaces.widget.SlideMenu
Method
Params
Return Type
Description
show()
-
void
Shows overlay menu.
hide()
-
void
Hides overlay menu.
align()
-
void
Aligns overlay menu with trigger.
Skinning
SlideMenu resides in a main container which style and styleClass attributes apply. Following is the 
list of structural style classes;
Style Class
Applies
.ui-menu .ui-slidemenu
Container element of menu.
.ui-slidemenu-wrapper
Wrapper element for content.
.ui-slidemenu-content
Content container.
.ui-slidemenu-backward
Back navigator.
.ui-menu-list
List container
.ui-menuitem
Each menu item
.ui-menuitem-link
Anchor element in a link item
.ui-menuitem-text
Text element in an item
As skinning style classes are global, see the main theming section for more information.
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PrimeFaces User Guide
3.119 Slider
Slider is used to provide input with various customization options like orientation, display modes 
and skinning.
Info
Tag
slider
Component Class
org.primefaces.component.slider.Slider
Component Type
org.primefaces.component.Slider
Component Family
org.primefaces.component
Renderer Type
org.primefaces.component.SliderRenderer
Renderer Class
org.primefaces.component.slider.SliderRenderer
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
for
null
String
Id of the input text that the slider will be used for
display
null
String
Id of the component to display the slider value.
minValue
0
Integer
Minimum value of the slider
maxValue
100
Integer
Maximum value of the slider
style
null
String
Inline style of the container element
styleClass
null
String
Style class of the container element
animate
true
Boolean
Boolean value to enable/disable the animated move when 
background of slider is clicked
type
horizontal
String
Sets the type of the slider, "horizontal" or "vertical".
step
1
Integer
Fixed pixel increments that the slider move in
disabled
0
Boolean
Disables or enables the slider.
onSlideStart
null
String
Client side callback to execute when slide begins.
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PrimeFaces User Guide
Name
Default
Type
Description
onSlide
null
String
Client side callback to execute during sliding.
onSlideEnd
null
String
Client side callback to execute when slide ends.
range
false
Boolean
When enabled, two handles are provided for selection a 
range.
displayTemplate
null
String
String template to use when updating the display. Valid 
placeholders are {value}, {min} and {max}.
Getting started with Slider
Slider requires an input component to work with, for attribute is used to set the id of the input
component whose input will be provided by the slider.
public class SliderBean {
private int number;
public int getNumber() {
return number;
}
public void setNumber(int number) {
this.number = number;
}
}
<h:inputText id="number" value="#{sliderBean.number}" />
<p:slider for="number" />
Display Value
Using display feature, you can present a readonly display value and still use slider to provide input, 
in this case for should refer to a hidden input to bind the value.
<h:inputHidden id="number" value="#{sliderBean.number}" />
<h:outputText value="Set ratio to %" />
<h:outputText id="output" value="#{sliderBean.number}" />
<p:slider for="number" display="output" />
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PrimeFaces User Guide
Vertical Slider
By default slider’s orientation is horizontal, vertical sliding is also supported and can be set using 
the type attribute.
<h:inputText id="number" value="#{sliderController.number}" />
<p:slider for="number" type="vertical" minValue="0" maxValue="200"/>
Step
Step factor defines the interval between each point during sliding. Default value is one and  it is 
customized using step option.
<h:inputText id="number" value="#{sliderBean.number}" />
<p:slider for="number" step="10" />
Animation
Sliding is animated by default, if you want to turn it of animate attribute set the animate option to 
false.
Boundaries
Maximum and minimum boundaries for the sliding is defined using minValue and maxValue 
attributes. Following slider can slide between -100 and +100.
<h:inputText id="number" value="#{sliderBean.number}" />
<p:slider for="number" minValue="-100" maxValue="100"/>
Range Slider
Selecting a range with min-max values are supported by slider. To enable this feature, set range
attribute  to true  and  provide  a comma separate  pair of input  fields  to  attach min-max  values.
Following sample demonstrates a range slider along with the display template feature for feedback;
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PrimeFaces User Guide
<h:outputText id="displayRange" 
value="Between #{sliderBean.number6} and #{sliderBean.number7}"/>              
<p:slider for="txt6,txt7" display="displayRange" style="width:400px" range="true" 
displayTemplate="Between {min} and {max}"/>
<h:inputHidden id="min" value="#{sliderBean.min}" />
<h:inputHidden id="max" value="#{sliderBean.max}" />
Client Side Callbacks
Slider provides three callbacks to hook-in your custom javascript, onSlideStart, onSlide and 
onSlideEnd. All of these callbacks receive two parameters; slide event and the ui object containing 
information about the event.
<h:inputText id="number" value="#{sliderBean.number}" />
<p:slider for="number" onSlideEnd="handleSlideEnd(event, ui)"/>
function handleSlideEnd(event, ui) {
//ui.helper = Handle element of slider
//ui.value = Current value of slider
}
Ajax Behavior Events
Slider provides one ajax behavior event called slideEnd that is fired when the slide completes. If
you  have  a  listener  defined,  it  will  be  called  by  passing org.primefaces.event.SlideEndEvent
instance. Example below adds a message and displays it using growl component when slide ends.
<h:inputText id="number" value="#{sliderBean.number}" />
<p:slider for="number">
<p:ajax event="slideEnd" listener="#{sliderBean.onSlideEnd}" update="msgs" />
</p:slider>
<p:messages id="msgs" />
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PrimeFaces User Guide
public class SliderBean {
private int number;
public int getNumber() {
return number;
}
public void setNumber(int number) {
this.number = number;
}
public void onSlideEnd(SlideEndEvent event) {
int value = event.getValue();
//add faces message
}
}
Client Side API
Widget: PrimeFaces.widget.Slider
Method
Params
Return Type
Description
getValue()
-
Number
Returns the current value
setValue(value)
value: Value to set
void
Updates slider value with
provided one.
disable()
index: Index of tab to disable
void
Disables slider.
enable()
index: Index of tab to enable
void
Enables slider.
Skinning
Slider resides in a main container which style and styleClass attributes apply. These attributes are
handy to specify the dimensions of the slider. Following is the list of structural style classes;
Class
Applies
.ui-slider
Main container element
.ui-slider-horizontal
Main container element of horizontal slider
.ui-slider-vertical
Main container element of vertical slider
.ui-slider-handle
Slider handle
As skinning style classes are global, see the main theming section for more information.
446
PrimeFaces User Guide
3.120 Spotlight
Spotlight highlights a certain component on page.
Info
Tag
spotlight
Component Class
org.primefaces.component.spotlight.Spotlight
Component Type
org.primefaces.component.Spotlight
Component Family
org.primefaces.component
Renderer Type
org.primefaces.component.SpotlightRenderer
Renderer Class
org.primefaces.component.spotlight.SpotlightRenderer
Attributes
Name
Default
Type
Description
id
null
String
Unique identifier of the component
rendered
false
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.
target
null
String
Component to highlight.
animate
true
Boolean
Controls animation used during highlight.
447
PrimeFaces User Guide
Getting started with Spotlight
Spotlight is accessed using client side api. Clicking the button highlights the panel below;
<p:panel id="pnl" header="Panel">
//content
</p:panel>
<p:commandButton value="Highlight" onclick="PF('spot').show()" />
<p:spotlight target="pnl" widgetVar="spot" />
Client Side API
Widget: PrimeFaces.widget.Spotlight
Method
Params
Return Type
Description
show()
-
void
Highlights target.
hide()
-
void
Removes highlight.
Skinning
Slider resides in a main container which style and styleClass attributes apply. These attributes are
handy to specify the dimensions of the slider. As skinning style classes are global, see the main
theming section for more information. Following is the list of structural style classes;
Class
Applies
.ui-spotlight
Mask element, common to all regions.
.ui-spotlight-top
Top mask element.
.ui-spotlight-bottom
Bottom mask element.
.ui-spotlight-left
Left mask element.
.ui-spotlight-right
Right mask element.
448
PrimeFaces User Guide
3.121 Socket
Socket component is an agent that creates a push channel between the server and the client.
Info
Tag
socket
Component Class
org.primefaces.component.socket.Socket
Component Type
org.primefaces.component.Socket
Component Family
org.primefaces.component
Renderer Type
org.primefaces.component.SocketRenderer
Renderer Class
org.primefaces.component.socket.SocketRenderer
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
channel
null
Object
Channel name of the connection.
transport
websocket
String
Desired protocol to be used valid values are 
websocket (default), sse, streaming, long-polling, 
jsonp.
fallbackTransport
long-polling
String
Fallback protocol to be used when desired transport 
is not supported in environment, valid values are 
websocket, sse, streaming, long-polling (default), 
jsonp.
onMessage
null
String
Javascript event handler that is processed when 
server publishes data.
onError
null
String
Javascript event handler that is processed when 
there is an error.
onClose
null
String
Javascript event handler for onClose callback of 
atmosphere.
onOpen
null
String
Javascript event handler for onOpen callback of 
atmosphere.
onReconnect
null
String
Javascript event handler for onReconnect callback 
of atmosphere.
449
PrimeFaces User Guide
Name
Default
Type
Description
onMessagePublished
null
String
Javascript event handler for onMessagePublished 
callback of atmosphere.
onTransportFailure
null
String
Javascript event handler for onTransportFailure 
callback of atmosphere.
onLocalMessage
null
String
Javascript event handler for onLocalMessage 
callback of atmosphere.
autoConnect
true
Boolean
Connects to channel on page load when enabled.
Getting Started with the Socket
See chapter 5, "PrimeFaces Push" for detailed information.
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