PrimeFaces SelectOneButton

It is used to select a single item from a list using buttons. It creates items list as a list of buttons. So, we can select item by clicking on the button. The <p:selectOneButton> component is used to create list of buttons in the JSF application. It has various attributes that are tabled below.

SelectOneButton Attributes

Attribute	Default value	Type	Description
id	null	String	It is an unique identifier of the component
rendered	true	Boolean	It is used to specify the rendering of the component.
required	false	Boolean	It is used to mark component as required.
converterMessage	null	String	It is used to set message to be displayed when conversion fails.
disabled	false	Boolean	It is used to disable the component.
label	null	String	It is used to set label for the component.
onchange	null	String	It is used to call script on value change.
style	null	String	It is used to set inline CSS of the component.
tabindex	0	String	It is used to set position of the element in the tabbing order.
unselectable	true	Boolean	It is used to unselect the component.

Skinning

Following is the list of structural style classes;

Style Class	Applies
.ui-selectonebutton	It applies on main container element.

Example

Here, in the following example, we are implementing <p:selectOneButton> component. This example contains the following files.

JSF File

// oneButton.xhtml

<?xml version='1.0' encoding='UTF-8' ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN""https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="https://www.w3.org/1999/xhtml"
xmlns:h="https://xmlns.jcp.org/jsf/html"
xmlns:p="https://primefaces.org/ui"
xmlns:f="https://xmlns.jcp.org/jsf/core">
<h:head>
<title>One Button</title>
</h:head>
<h:body>
<h:form>
<h:panelGrid columns="2" style="margin-bottom:10px" cellpadding="5">
<h:outputText value="Select Smartphone: " />
<p:selectOneButton value="#{oneButton.option}">
<f:selectItem itemLabel="Samsung Galaxy" itemValue="Samsung Galaxy" />
<f:selectItem itemLabel="iPhone 7 Plus" itemValue="iPhone 7 Plus" />
<f:selectItem itemLabel="One Plus" itemValue="One Plus" />
</p:selectOneButton>
<p:commandButton value="Submit" update="display" icon="ui-icon-check" />
<p:spacer />
<h:outputText value="Selected:" />
<h:outputText id="display" value="#{oneButton.option}" style="font-weight: bold" />
</h:panelGrid>
</h:form>
</h:body>
</html>

ManagedBean

// OneButton.java

package com.javatpoint;
import javax.faces.bean.ManagedBean;
@ManagedBean
public class OneButton {
private String option;
public String getOption() {
return option;
}
public void setOption(String option) {
this.option = option;
}
}

Output:

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