Have you seen the "struts-menu" application - it uses struts, javascript, and xml to build a DHTML tree. Can be found at: http://husted.com/about/struts/resources.htm#extensions Matt --- Levi Cook <[EMAIL PROTECTED]> wrote: > I agree with Matts points, in addition here are a couple more thoughts on > the challenge of tree navigation-- > > 1) From a mvc design perspective, a tree is just a view; assigning > responsibility of rendering a tree to "a lot of action classes" is probably > not optimal. > > 2) Offhand, a key to building an effective tree view rests with thinking > about recursive associations-- ie. a container class that may contain itself > (self containment) > > Here's a common example: > > ---------- > | Folder |<>-- 1 > ---------- | > | * | > | | > ---------- > > In this case, a Folder can have zero or more subfolders-- thus yielding a > hierarchy, or tree :) Each folder can be contained by exactly one folder. > > With this model in mind, I believe you should consider creating a custom tag > that expects this *type* of structure. Ideally, you're new "tree" tag would > only need to rely on interfaces from the java collections framework. > > > Regards, > Levi > > > ----- Original Message ----- > From: "Gogineni, Pratima" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Thursday, July 19, 2001 10:09 AM > Subject: Tree > > > > Hi > > > > I have been thinking for a while about making a "tree" jsp component using > > struts. I like the idea of having a jsp based tree rather than using the > > javascript trees that are normally used. > > > > I know I will have to write a lot of action classes to support a *Good* > > generic tree. But does anyone know of any problems with using a jsp based > > tree rather than javascript based? > > > > Thanks > > Pratima > > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] > > Sent: Thursday, July 19, 2001 9:05 AM > > To: [EMAIL PROTECTED] > > Subject: struts-layout > > > > > > Hi there! > > > > I am happy to inform you that the 0.3 version of struts-layout has been > > released on <http://struts.application-servers.com>. struts-layout is a > tag > > library for Struts that allows for fast and easy development of jsp pages. > > > With > > struts-layout, pages are described with only a small set of special tags. > > HTML > > tags are not any more needed (well, nearly), as struts-layout tags > generates > > > > the layout. I kindly invite you to have a look on the site for more > > information. > > > > struts-layout is now used in my company's projects and in > > <http://www.application-servers.com>, a French site dedicated to > information > > > > about application servers. French users can also find an introduction to > > Struts > > and struts-layout on this site in the article section. > > > > Please feel free to send me feedbacks and bug reports. > > > > Cheers, > > > > Jean-Noel > > > __________________________________________________ Do You Yahoo!? Get personalized email addresses from Yahoo! Mail http://personal.mail.yahoo.com/
