PrimeFaces - SelectCheckboxMenu With Ajax update Example

This example shows how to use SelectCheckboxMenu which is submitted on change event via Ajax.

JSF page

src/main/webapp/index.xhtml

<h:body style="margin-left:30px">
    <h5>PrimeFaces SelectCheckboxMenu With Ajax Example</h5>

    <h:form>
        <p:selectCheckboxMenu id="menu" value="#{itemsBean.selectedItems}" label="Items"
                              filter="true" filterMatchMode="contains">
            <f:selectItems value="#{itemsBean.items}"/>
            <p:ajax event="change" update="selectedItemText"/>
        </p:selectCheckboxMenu>
        <h:outputText id="selectedItemText" value=" #{itemsBean.selectedItems}"/>
    </h:form>
</h:body>

The managed bean

@ManagedBean
@ViewScoped
public class ItemsBean {
  private List<String> items = new ArrayList<>();
  private List<String> selectedItems;

  @PostConstruct
  public void postInit() {
      items.addAll(Arrays.asList
              ("Watch", "Bottle", "Book", "Radio", "Monitor",
                      "Laptop", "Headphones", "TV", "Disk",
                      "Note Book", "Cell Phone"));
  }

  public List<String> getItems() {
      return items;
  }

  public void setSelectedItems(List<String> selectedItems) {
      this.selectedItems = selectedItems;
  }

  public List<String> getSelectedItems() {
      return selectedItems;
  }
}

mvn tomcat7:run-war

Output

Example Project

Dependencies and Technologies Used:

• primefaces 6.1 primefaces
• jsf-api 2.2.14: This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
• jsf-impl 2.2.14: This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
• JDK 1.8
• Maven 3.3.9