Fixed:

A Boolean attribute added to the tabSet component names as "effectOnHover".

Command: Commit
Modified: D:\work\development\head\svn\ossrepo\icefaces\scratchpads\sparkle\component\src\org\icefaces\component\tab\TabSet.java
Modified: D:\work\development\head\svn\ossrepo\icefaces\scratchpads\sparkle\component\src\org\icefaces\component\tab\TabSetMeta.java
Modified: D:\work\development\head\svn\ossrepo\icefaces\scratchpads\sparkle\component\src\org\icefaces\component\tab\TabSetRenderer.java
Sending content: D:\work\development\head\svn\ossrepo\icefaces\scratchpads\sparkle\component\src\org\icefaces\component\tab\TabSet.java
Sending content: D:\work\development\head\svn\ossrepo\icefaces\scratchpads\sparkle\component\src\org\icefaces\component\tab\TabSetMeta.java
Sending content: D:\work\development\head\svn\ossrepo\icefaces\scratchpads\sparkle\component\src\org\icefaces\component\tab\TabSetRenderer.java
Completed: At revision: 21766

http://screencast.com/t/ZmYxOWFjMG

Adnan says:

To provide a uniform support of effects we will have to wrap YUI effects (animation) into POJOs, as we did in ICEFaces. But even in ICEFaces effect doesn't allows you to map effect with Custom Component events. For example you can apply effect using passthrough attribute on custom components, or invoke an effect from the bean on some action, but there is no way to say that I want to fire this effect on tabchange, or when tree node expends or on validation error, or when tooltip appears etc. Today we can capture actions events, bind effect on component, and invoke them from there, but effect changes the state of the component on client, and server remains unaware of it. Which cause problems.

Using a hard-coded effect such as this is not flexible enough. Linking to ICE-5846, which will define the std. mechanism to be used to define effects across components.

Ice:animation component added which allows to add different animations on tab transitions (e.g.)

<ice:tabPanel >
<ice:animation event="transition" name="Fade"/>
<ice:tab...>