Try this:
def create(xhtml: Group): NodeSeq = {
def redo(b: Blog)(n: NodeSeq): NodeSeq = table(b.toForm(Full("Create"),
redo(b), handleSubmit _))
User.currentUser.map(_.createBlog) match {
case Full(b) => redo(b)(xhtml)
case _ => S.warning("There's no user logged in"); NodeSeq.Empty
}
}
The redo(b) function is the thing that generates the form. On failure, it
calls itself with the in-process blog.
Thanks,
David
On Wed, Nov 12, 2008 at 1:40 AM, Joachim A. <[EMAIL PROTECTED]>wrote:
>
> Hi,
> I'm still a Scala and Lift novice but I really like what I see so far.
> I'm using 0.10-SNAPSHOT.
>
> I have a database entity called "Blog". For a new instance "blog" I
> show the form with b.toForm(). I've found the redo snippet parameter.
>
> If the data was invalid for the submit, redo is executed. But now the
> original data is lost.
>
> 1. How can I show the data the user entered in the form?
>
> 2. What does the NodeSeq parameter for the redoSnippet do? For now I
> just passed it on.
>
> 3. How do you put the error message to the field?
>
>
> Here's my code (snippet class BlogUtils):
> def create(xhtml: Group): NodeSeq = {
> def redo(n: NodeSeq) = this.create(<xml:group>{n}</xml:group>)
>
> User.currentUser.map(u => {
> val b = u.createBlog
> table(b.toForm(Full("Create"), redo _, handleSubmit _))
> }) openOr {S.warning("There's no user logged in.");
> NodeSeq.Empty}
> }
>
> >
>
--
Lift, the simply functional web framework http://liftweb.net
Collaborative Task Management http://much4.us
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