A multiselect input component, SelectCheckboxMenu is based on checkboxes in an overlay menu. Although it is an input component, it is presented to users as a menu so that it makes sense to handle selectCheckboxMenu in this chapter.
In this recipe, we will implement a selectCheckboxMenu component in both simple and advanced forms. In the advanced case, we will learn about the built-in filtering feature. After submitting the selected items, they will be shown in a dialog.
The usage of p:selectCheckboxMenu is the same as the usage of p:selectManyCheckbox. Checkbox items can be attached via several f:selectItem tags or one f:selectItems tag. In the following simple example, we will use f:selectItems to display colors:
<p:selectCheckboxMenu label="Colors"
value="#{checkboxMenuBean.selectedColors}">
<f:selectItems value="#{checkboxMenuBean.colors}"/>
</p:selectCheckboxMenu>The label attribute defines text shown to the...