Church Michael R wrote:
Aaron,
I have similar requirements. I have managed to get something working by
using JSP to render my portlet fragments, and getting the JSP to include
specific JavaScript functions in the portlet fragments (to do the
XMLHttpRequest interaction). In addition, I include a special .js file in
all of my rendered portal pages, so that I get common JavaScript functions
that are required to allow AJAX communications to work at all.
It's all a right royal PITA, especially as having two instances of the same
portlet in the same page can cause JavaScript errors (e.g. the same
JavaScript function being defined twice) If, like me, you are very careful,
you can avoid this.
My requirements come from the need to get a portlet to update its own
contents periodically, without refreshing the whole portal page. The
contents come from a servlet on another server, and I use AJAX to retrieve
the content.
Mike Church
Software Engineering
Interesting.
I've been using both Dojo and Backbase(commercial) in my portlets.
Haven't had many problems related to running javascript libraries in
portlets, but maybe because we write all the portlets in our particular
apps, so we have complete control. Just need to include the script
imports in the layout header. Randy is doing some work (and the JSR 286
team) to better formalize this.
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