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PrimeFaces User Guide
3.76 Messages
Messages is a pre-skinned extended version of the standard JSF messages component.
Info
Tag
messages
Component Class
org.primefaces.component.messages.Messages
Component Type
org.primefaces.component.Messages
Component Family
org.primefaces.component
Renderer Type
org.primefaces.component.MessagesRenderer
Renderer Class
org.primefaces.component.messages.MessagesRenderer
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.
showSummary
true
Boolean
Specifies if the summary of the FacesMessages 
should be displayed.
showDetail
false
Boolean
Specifies if the detail of the FacesMessages should 
be displayed.
globalOnly
false
String
When true, only facesmessages with no clientIds are 
displayed.
redisplay
true
Boolean
Defines if already rendered messages should be 
displayed
autoUpdate
false
Boolean
Enables auto update mode if set true.
for
null
String
Name of associated key, takes precedence when used
with globalOnly.
escape
true
Boolean
Defines whether html would be escaped or not.
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PrimeFaces User Guide
Name
Default
Type
Description
severity
null
String
Comma separated list of severities to display only.
closable
false
Boolean
Adds a close icon to hide the messages.
style
null
String
Inline style of the component.
styleClass
null
String
Style class of the component.
showIcon
true
Boolean
Defines if severity icons would be displayed.
Getting started with Messages
Message usage is exactly same as standard messages.
<p:messages />
AutoUpdate
When auto update is enabled, messages component is updated with each ajax request automatically.
Targetable Messages
There  may  be  times  where  you  need  to  target  one  or  more  messages  to  a  specific  message
component, for example suppose you have growl and messages on same page and you need to
display some messages on growl and some on messages. Use for attribute to associate messages
with specific components.
<p:messages for="somekey" />
<p:growl for="anotherkey" />
FacesContext context = FacesContext.getCurrentInstance();
context.addMessage("somekey", facesMessage1);
context.addMessage("somekey", facesMessage2);
context.addMessage("anotherkey", facesMessage3);
In sample above, messages will display first and second message and growl will only display the 
3rd message.
Severity Levels
Using severity attribute, you can define which severities can be displayed by the component. For 
instance, you can configure messages to only display infos and warnings.
<p:messages severity="info,warn" />
Escaping
Messages escapes html content in messages, disable escape option to display content as html.
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PrimeFaces User Guide
<p:messages escape="false" />
Skinning
Full list of CSS selectors of message is as follows;
Style Class
Applies
ui-messages-{severity}
Container element of the message
ui-messages-{severity}-summary
Summary text
ui-messages-{severity}-detail
Detail text
ui-messages-{severity}-icon
Icon of the message.
{severity} can be ‘info’, ‘error’, ‘warn’ and error.
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PrimeFaces User Guide
3.77 Mindmap
Mindmap  is  an  interactive  tool  to  visualize  mindmap  data  featuring  lazy  loading,  callbacks,
animations and more.
Info
Tag
mindmap
Component Class
org.primefaces.component.mindmap.Mindmap
Component Type
org.primefaces.component.Mindmap
Component Family
org.primefaces.component
Renderer Type
org.primefaces.component.MindmapRenderer
Renderer Class
org.primefaces.component.mindmap.MindmapRenderer
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.
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Name
Default
Type
Description
binding
null
Object
An el expression that maps to a server side 
UIComponent instance in a backing bean
value
null
MindmapNode MenuModel instance to build menu dynamically.
style
null
String
Inline style of the component.
styleClass
null
String
Style class of the component.
effectSpeed
300
Integer
Speed of the animations in milliseconds.
widgetVar
null
String
Name of the client side widget.
Getting started with Mindmap
Mindmap requires an instance of org.primefaces.model.mindmap.MindmapNode as the root. Due to
it’s lazy nature, a select ajax behavior must be provided to load children of selected node on the fly
with ajax.
public class MindmapBean {
private MindmapNode root;
public MindmapBean() {
root = new DefaultMindmapNode("google.com", "Google", "FFCC00", false);
MindmapNode ips = new DefaultMindmapNode("IPs", "IP Nos", "6e9ebf", true);
MindmapNode ns = new DefaultMindmapNode("NS(s)", "Names", "6e9ebf", true);
MindmapNode mw = new DefaultMindmapNode("Mw", "Malicious ", "6e9ebf", true);
root.addNode(ips);
root.addNode(ns);
root.addNode(malware);
}
public MindmapNode getRoot() {
return root;
}
public void onNodeSelect(SelectEvent event) {
MindmapNode node = (MindmapNode) event.getObject();
//load children of select node and add via node.addNode(childNode);
}
}
<p:mindmap value="#{mindmapBean.root}" style="width:100%;height:600px">
<p:ajax event="select" listener="#{mindmapBean.onNodeSelect}" />
</p:mindmap>
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PrimeFaces User Guide
DoubleClick Behavior
Selecting a node with single click is used to load subnodes, double click behavior is also provided 
for further customization. Following sample, displays the details of the subnode in a dialog.
<p:mindmap value="#{mindmapBean.root}" style="width:100%;height:600px;">
<p:ajax event="select" listener="#{mindmapBean.onNodeSelect}" />
<p:ajax event="dblselect" listener="#{mindmapBean.onNodeDblselect}" 
update="output" oncomplete="PF('details').show()"/>
</p:mindmap>
<p:dialog widgetVar="details" header="Node Details" resizable="false" modal="true" 
showEffect="fade" hideEffect="fade">
<h:outputText id="output" value="#{mindmapBean.selectedNode.data}" />
</p:dialog>
public void onNodeDblselect(SelectEvent event) {
this.selectedNode = (MindmapNode) event.getObject();        
}
MindmapNode API
org.primefaces.model.mindmap.MindmapNode
Property
Default
Type
Description
label
null
String
Label of the node.
data
null
Object
Optional data associated with the node.
fill
null
String
Color code of the node.
selectable
1
Boolean
Flag to define if node is clickable.
parent
null
MindmapNode
Parent node instance.
Tips
•IE 7 and IE 8 are not supported due to technical limitations, IE 9 is supported.
326
PrimeFaces User Guide
3.78 MultiSelectListbox
MultiSelectListbox is used to select an item from a collection of listboxes that are in parent-child 
relationship.
Info
Tag
multiSelectListbox
Component Class
org.primefaces.component.multiselectlistbox.MultiSelectListbox
Component Type
org.primefaces.component.MultiSelectListbox
Component Family
org.primefaces.component
Renderer Type
org.primefaces.component.MultiSelectListboxRenderer
Renderer Class
org.primefaces.component.multiselectlistbox.MultiSelectListboxRenderer
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.
style
null
String
Inline style of the component.
styleClass
null
String
Style class of the component.
disabled
false
Boolean
If true, disables the component.
effect
null
String
Effect to use when showing a group of items.
showHeaders
false
Boolean
Displays label of a group at header section of the 
children items.
header
null
String
Label of the root group items.
327
PrimeFaces User Guide
Getting started with MultiSelectListbox
MultiSelectListbox needs a collection of SelectItemGroups.
public class MultiSelectListboxBean {
private List<SelectItem> categories;
private String selection;
@PostConstruct
public void init() {
categories = new ArrayList<SelectItem>();
SelectItemGroup group1 = new SelectItemGroup("Group 1");
SelectItemGroup group2 = new SelectItemGroup("Group 2");
SelectItemGroup group3 = new SelectItemGroup("Group 3");
SelectItemGroup group4 = new SelectItemGroup("Group 4");
SelectItemGroup group11 = new SelectItemGroup("Group 1.1");
SelectItemGroup group12 = new SelectItemGroup("Group 1.2");
SelectItemGroup group21 = new SelectItemGroup("Group 2.1");
SelectItem option31 = new SelectItem("Option 3.1", "Option 3.1");
SelectItem option32 = new SelectItem("Option 3.2", "Option 3.2");
SelectItem option33 = new SelectItem("Option 3.3", "Option 3.3");
SelectItem option34 = new SelectItem("Option 3.4", "Option 3.4");
SelectItem option41 = new SelectItem("Option 4.1", "Option 4.1");
SelectItem option111 = new SelectItem("Option 1.1.1");
SelectItem option112 = new SelectItem("Option 1.1.2");
group11.setSelectItems(new SelectItem[]{option111, option112});
SelectItem option121 = new SelectItem("Option 1.2.1", "Option 1.2.1");
SelectItem option122 = new SelectItem("Option 1.2.2", "Option 1.2.2");
SelectItem option123 = new SelectItem("Option 1.2.3", "Option 1.2.3");
group12.setSelectItems(new SelectItem[]{option121, option122, option123});
SelectItem option211 = new SelectItem("Option 2.1.1", "Option 2.1.1");
group21.setSelectItems(new SelectItem[]{option211});
group1.setSelectItems(new SelectItem[]{group11, group12});
group2.setSelectItems(new SelectItem[]{group21});
group3.setSelectItems(new SelectItem[]{option31, option32, option33, 
option34});
group4.setSelectItems(new SelectItem[]{option41});
categories.add(group1);
categories.add(group2);
categories.add(group3);
categories.add(group4);
}
//getters-setters of categories and selection   
}
328
PrimeFaces User Guide
<p:multiSelectListbox value="#{multiSelectListboxBean.selection}">
<f:selectItems value="#{multiSelectListboxBean.categories}" />
</p:multiSelectListbox>
Note that SelectItemGroups are not selectable, only values of SelectItems can be passed to the bean.
Effects
An animation is executed during toggling of a group, following options are available for effect 
attribute; blind, bounce, clip, drop, explode, fold, highlight, puff, pulsate, scale, shake, size, slide 
(suggested).
Client Side API
Widget: PrimeFaces.widget.MultiSelectListbox
Method
Params
Return Type
Description
enable()
-
void
Enables the component.
disable()
-
void
Disables the component.
showItemGroup(item)
li element as
jQuery object
void
Shows subcategories of a given item.
Skinning
MultiSelectListbox resides in a main container which style and styleClass attributes 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-multiselectlistbox
Main container element.
.ui-multiselectlistbox-list
List container.
.ui-multiselectlistbox-item
Each item in a list.
329
PrimeFaces User Guide
3.79 NotificationBar
NotificationBar displays a multipurpose fixed positioned panel for notification.
Info
Tag
notificationBar
Component Class
org.primefaces.component.notificationbar.NotificationBar
Component Type
org.primefaces.component.NotificatonBar
Component Family
org.primefaces.component
Renderer Type
org.primefaces.component.NotificationBarRenderer
Renderer Class
org.primefaces.component.notificationbar.NotificationBarRenderer
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
style
null
String
Style of the container element
styleClass
null
String
StyleClass of the container element
position
top
String
Position of the bar, "top" or "bottom".
effect
fade
String
Name of the effect, "fade", "slide" or "none".
effectSpeed
normal
String
Speed of the effect, "slow", "normal" or "fast".
autoDisplay
false
Boolean
When true, panel is displayed on page load.
widgetVar
null
String
Name of the client side widget.
Getting started with NotificationBar
As notificationBar is a panel component, any content can be placed inside.
<p:notificationBar>
//Content
</p:notificationBar>
330
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