You have to define a package for Category.scala
On Fri, Oct 10, 2008 at 4:00 PM, Charles F. Munat <[EMAIL PROTECTED]> wrote:
>
> Thanks, Derek. Actually, I don't use .html or even "add" (all my html
> files are called index.html -- I use directories to sort them). This
> error came when I was experimenting to see if that made a difference.
>
> That said, I get the error all the time. I don't have val dispatch... in
> my snippets. But that's because I copied the JPADemo over, and your
> AuthorOps and BookOps don't have the val dispatch either. But the
> JPADemo doesn't get this error.
>
> Also, my edit functions don't work -- the forms are not populated
> properly. I thought I had it working a minute ago, and now it isn't again.
>
> I switched the snippets around a bit and dropped the bind (because I
> wanted to color code alternate rows and wasn't sure how to do it
> otherwise). Here is an example:
>
> snippet/Category.scala:
>
> import scala.xml.{NodeSeq,Text}
>
> import net.liftweb.http.{RequestVar,S,SHtml}
> import net.liftweb.util.Helpers
> import S._
> import Helpers._
>
> import Model._
>
> class CategoryOps {
> val formatter = new java.text.SimpleDateFormat("dd MMM yyyy")
>
> def getRowClass(r: Int) = {
> if (r % 2 == 0) "even" else "odd"
> }
>
> def list: NodeSeq = {
> <tr valign="top" align="left">
> <th class="text">Name</th>
> <th class="integer">Links</th>
> <th class="blank"> </th>
> <th class="blank"> </th>
> </tr> ::
>
>
> Model.createNamedQuery[Category]("findAllCategories").getResultList().toList.zipWithIndex.flatMap(c
> => <tr valign="top" class={getRowClass(c._2)}>
> <td class="text">{c._1.name}</td>
> <td class="integer">{SHtml.link("/links/search/", {() =>
> WeblinkOps.resultVar(Model.createNamedQuery[Weblink](
> "findWeblinksByCategory", "id" -> category.id).getResultList().toList)
> }, Text(category.weblinks.size().toString))}</td>
> <td class="edit">{SHtml.link("editor", () =>
> categoryVar(category), Text("Edit"))}</td>
> <td class="delete"> </td>
> </tr>)
> }
>
> object categoryVar extends RequestVar(new Category())
> def category = categoryVar.is
>
> def editor (xhtml : NodeSeq) : NodeSeq = {
> def addOrUpdate () = {
> if (category.name.length == 0) {
> error("emptyCategory", "The category's name cannot be blank")
> } else {
> Model.merge(category)
> redirectTo("/admin/categories/")
> }
> }
>
> val currentId = category.id
>
> <form method="POST" action="">
> <table class="editor" border="0" cellpadding="3" cellspacing="0">
> <tr valign="top" align="left">
> <th>Name</th>
> <td>{SHtml.text(category.name, category.name = _)}</td>
> </tr>
> <tr valign="top" align="left">
> <th>{SHtml.hidden({category.id = currentId})} </th>
> <td>{SHtml.submit("Save", addOrUpdate)}</td>
> </tr>
> </table>
> </form>
> }
> }
>
> webapp/admin/categories/editor/index.html:
>
> <lift:surround with="default" at="content">
> <h2>Categories</h2>
> <table class="list">
> <lift:CategoryOps.list/>
> </table>
> </lift:surround>
>
> And in Boot.scala:
>
> Menu(Loc("categories", List("admin", "categories", "index"),
> "Categories", LocGroup("admin")),
> Menu(Loc("categories_add", List("admin", "categories", "editor",
> "index"), "Add a New Category", Hidden))
> ),
>
> ANY suggestions for how to do any of this better greatly appreciated. Do
> I need to add the val dispatch... part? If so, why is this different
> from the JPADemo?
>
> Thanks!
> Chas.
>
>
> Derek Chen-Becker wrote:
> > It means that the dispatch function on whatever Stateful Snippet is
> > being called isn't matching what you're asking it to provide. For
> > instance, if your snippet tag looks like
> >
> > <lift:MySnippet.add>
> >
> > Then the dispatchPf in the MySnippet stateful snippet has to have a
> > dispatch function like:
> >
> > val dispatch: DispatchIt = {
> > case "add" => <some function here> _
> > }
> >
> > See
> >
> http://scala-tools.org/mvnsites-snapshots/liftweb/lift-webkit/scaladocs/index.html
> > for more details.
> >
> > I also know that David has recently /strongly/ recommended not putting
> > ".html" on the ends of things.
> >
> > Derek
> >
> > On Fri, Oct 10, 2008 at 3:15 PM, Charles F. Munat <[EMAIL PROTECTED]
> > <mailto:[EMAIL PROTECTED]>> wrote:
> >
> >
> > What exactly does this mean? I get a lot of these.
> >
> > WARN - Snippet Failure: SnippetFailure(/admin/users/add.html ->
> > ParsePath(List(admin, users, add),html,true,false),
> > Full(Menu.link),
> > Stateful Snippet: Dispatch Not Matched)
> >
> > What is failing here and what are the probable causes?
> >
> > Thanks.
> >
> > Chas.
> >
> >
> >
> >
> > >
>
> >
>
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