Summary
Tag name:
<tr:switcher>
UIComponent class:
org.apache.myfaces.trinidad.component.UIXSwitcher
Component type:
org.apache.myfaces.trinidad.Switcher
The switcher component dynamically decides which facet component
should be rendered. It has two properties. The switcher will render
the facet matching "facetName"; however, if no such facet exists
(or "facetName" is null), and "defaultFacet" has been set, then
that facet will be used instead. (It's possible to achieve this
same functionality by using a panelGroup and binding the
"rendered" property of each child, but this component can be
simpler. Ordinary children of the switcher component are not rendered at
all.)
Example(s):
<tr:switcher facetName="#{userData.person}" defaultFacet="default"> <f:facet name="default"> <tr:outputText value="You have not picked anyone I know"/> </f:facet > <f:facet name="Roger"> <tr:outputText value="You have picked Roger"/> </f:facet > <f:facet name="Peter"> <tr:outputText value="You have picked Peter"/> </f:facet > </tr:switcher>
Events
Type | Phases | Description |
---|---|---|
org.apache.myfaces.trinidad.event.AttributeChangeEvent | Invoke Application, Apply Request Values |
Event delivered to describe an attribute change. Attribute change events are not delivered for any programmatic change to a property. They are only delivered when a renderer changes a property without the application's specific request. An example of an attribute change events might include the width of a column that supported client-side resizing. |
Attributes
Name | Type | Supports EL? | Description |
---|---|---|---|
attributeChangeListener | javax.el.MethodExpression | Only EL | a method reference to an attribute change listener. Attribute change events are not delivered for any programmatic change to a property. They are only delivered when a renderer changes a property without the application's specific request. An example of an attribute change events might include the width of a column that supported client-side resizing. |
binding | org.apache.myfaces.trinidad.component. |
Only EL | an EL reference that will store the component instance on a bean. This can be used to give programmatic access to a component from a backing bean, or to move creation of the component to a backing bean. |
defaultFacet | String | Yes | the name of the facet to render and process if "facetName" is null or otherwise does not refer to an existing facet. |
facetName | String | Yes | the name of the facet to render and process. |
id | String | No | the identifier for the component. The identifier
must follow a subset of the syntax allowed in HTML:
|
rendered | boolean | Yes | whether the component is rendered. When set to false, no output will be delivered for this component (the component will not in any way be rendered, and cannot be made visible on the client). |