Actually, the tacos4 module, which is tacos completely ported over to tapestry 4 does use div tags to mark each node AND parent node in the tree...
The tree also happens to support ajax requests right out of the box ;) It should be officially released by the end of this week, along with a lot of other enhancements to the library. jesse On 8/11/05, Norbert Sándor <[EMAIL PROTECTED]> wrote: > I have created a Tapestry4 compatible Tree component which uses real > recursive rendering using Block and RenderBlock components. You should try > using these components to implement template-based recursion. > > BR, > Norbi > > ----- Original Message ----- > From: "Paul Cantrell" <[EMAIL PROTECTED]> > To: "Tapestry users" <[email protected]> > Sent: Thursday, August 11, 2005 12:50 AM > Subject: Re: Recursive rendering of tree model > > > Actually, on second inspection, that's not quite it. > > The Tacos components uses CSS to indent the data: > > <div style="margin-left: 0px"> > Parent > </div> > <div style="margin-left: 16px"> > Child > </div> > > But for my purposes (because of javascript manipulation of the DOM), > it's very important that the tags actually *be nested* recursively: > > <div class="tree-node"> > Parent > <div class="tree-node"> > Child > </div> > </div> > > So I guess it's not what I'm after. Slick component, though! > > Cheers, > > Paul > > > On Aug 10, 2005, at 4:56 PM, Viktor Szathmary wrote: > > > Check out the Tacos Tree component (http://tacos.sf.net/). The source > > has a TreeIterator that you can use independently to flatten out > > hierarchical iterations so you can use a regular Foreach (while > > tracking depth)... > > > > check the source for: > > > > http://cvs.sourceforge.net/viewcvs.py/tacos/tacos/src/net/sf/tacos/ > > tree/TreeIterator.java?rev=1.2&view=auto > > > > viktor > > > > > > On 8/10/05, Paul Cantrell <[EMAIL PROTECTED]> wrote: > > > >> Suppose I have some data like this: > >> > >> public interface TaxonomyTree > >> { > >> public String getAnimalName(); > >> public Set<TaxonomyTree> getChildren(); > >> } > >> > >> ...and suppose I want to render it in a page with a recursively > >> nested structure, so that my HTML tag structure matches the tree > >> structure of the data: > >> > >> <div> > >> Birds > >> <div> Hummingbird </div> > >> <div> Warbler </div> > >> <div> Raptor > >> <div> Eagle </div> > >> <div> Vulture </div> > >> </div> > >> </div> > >> <div> > >> Mammals > >> <div> Platypus </div> > >> ...etc... > >> > >> Of course, *if* I know that the tree is n levels deep, I can render > >> it with n nested @For components (though it's pretty ugly!). But if I > >> don't know the depth of the tree, I need true recursion. > >> > >> Is there a way to do this without writing a custom component for my > >> specific data? Is anybody aware of a generic component that will do > >> the job? I'm hoping for something like this: > >> > >> <span jwcid="[EMAIL PROTECTED]" source="ognl:treeRootNodes"> > >> <div> > >> <span jwcid="@Insert" > >> value="ognl:components.animalTree.value.animalName" /> > >> <span jwcid="@RecursiveChildren" loop="animalTree" > >> value="ognl:components.animalTree.value.children" /> > >> </div> > >> </span> > >> > >> If nobody's aware of such a thing, I might try my hand at writing it. > >> But I'd rather spare myself the effort if there's already a good > >> solution out there.... > >> > >> Cheers, > >> > >> Paul > >> > >> _________________________________________________________________ > >> > >> "Les grandes personnes ne comprennent jamais rien toutes seules, > >> et c'est fatigant, pour les enfants, de toujours et toujours > >> leur donner des explications." -- Antoine de Saint-Exupéry > >> > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: [EMAIL PROTECTED] > >> For additional commands, e-mail: tapestry-user- [EMAIL PROTECTED] > >> > >> > >> > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > _________________________________________________________________ > > "The pursuit of truth and beauty is a sphere of activity in which > we are permitted to remain children all our lives." > -- Albert Einstein > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > ------------------------------------------------------- > SF.Net email is Sponsored by the Better Software Conference & EXPO > September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices > Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA > Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf > _______________________________________________ > Tacos-devel mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/tacos-devel > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
