[Webwork-devel] Updates

[Rickard <ri...@xp...>]

Hey

A bunch of updates:
* The RSS demo that Maurice put in has been vastly enhanced. Now it 
sports a pull down list that you can choose feed from. Three feeds 
currently. The RSS stuff now also properly handles the different 
versions of RSS. The initial version only handled 0.91, but I've added 
support for 1.0 as well (which is vastly superior to 0.91). The list of 
feeds is a RSS feed itself just "for the heck of it" :-)

* (IMPORTANT!) All UI tags now have a "value" attribute that can be used 
to specify a WebWork expression where the selected value can be 
retrieved from. If it is not specified, then the "name" attribute is 
used as before. This will allow you to have one name for the field, 
while getting the value from somewhere else. Very useful. The UI 
components that already had a "value" attribute (select, checkbox, 
radiobutton) have been changed. The select/radiobutton attributes are 
now listKey/listValue instead, and checkbox now has a fieldValue 
attribute instead of the old value.

Yes, this will break current code so be sure to update your JSP's 
accordingly. The requirement to have a separate value attribute was so 
great (IMHO) that this change was necessary before 1.0.

* There's a new i18n tag, as outlined in previous post. It will allow 
you to specify a particular resource bundle to be used by the text tag. 
Example from text.jsp:
<webwork:i18n name="'webwork.action.test.i18n.Shop'">
<webwork:text name="'main.title'"/>
</webwork:i18n>

So, even if the current action does not have the above bundle associated 
with it, you can still access it by using the i18n tag to "scope" the 
text tag. The primary use of this is to access resource bundles that are 
not associated with any particular action, i.e. view-specific bundles.

The retrieval of the bundle will be done by first trying to evaluate 
"texts(<bundle name>)" on the stack, so if you have an action on the 
stack and it has a custom getTexts() implementation (such as reading 
bundles from a database), that will be used. Otherwise the usual 
ResourceBundle.getBundle() method will be used, although *through* 
ActionSupport.getTexts() so that the proper locale is used.

I hope ya'll find these changes relevant and good. Let me know 
otherwise, or if you have any suggestions for improvement.

/Rickard

-- 
Rickard Öberg
Software Development Specialist
xlurc - Xpedio Linköping Ubiquitous Research Center
Author of "Mastering RMI"
Email: ri...@xp...