On Thu, May 7, 2009 at 5:40 AM, wapgui <torsten.schm...@wapgui.com> wrote:
>
> Hi all,
>
> I have a normal form defined via bind.
>
> object smlink extends RequestVar(Full(""))
> val widget = new Widget()
>
> def show(xhtml: NodeSeq): NodeSeq = {
> var smallLink = ""
> var dlText = ""
>
> if (smlink.isEmpty || smlink.open_!.length == 0) {
> Log.debug("Starting new widget generation")
> } else if (!smlink.open_!.startsWith("Error")) {
> Log.debug("Widget generation successfull")
> smallLink = smlink.open_!
> dlText = "Download here"
> } else {
> Log.debug("Widget generation unsuccessfull")
> dlText = smlink.open_!
> }
>
> bind("widget", xhtml,
> "title" -> text(widget.title, widget.title = _) % ("size" ->
> "10") % ("id" -> "title"),
> "url" -> text(widget.url, widget.url = _) % ("size" -> "56") %
> ("id" -> "url"),
> "submit" -> submit("Generate", () => {
> smlink(Full(buildWidgetPackage(burl,widget)))
> }),
> "link" -> <a href={smallLink}>{dlText}</a>
> )
> }
>
> After submit the inputs are tested and errors return a string with the
> specific error message. The message is shown as link, but all the
> inputs are gone after reloading the page to show the error.
> Is there a way to get the widget object after submit to set the values
> in the form to the submitted values? Maybe it is in smlink or should I
> use a tuple to return the widget object from the buildWidgetPackage
> function.
>
Try using a StatefulSnippet (make your snippet a subclass of
StatefulSnippet). That will use the same snippet across form submissions.
If you need a more detailed explanation, please let me know and I'll work
one up for you.
>
> Thanks,
> Torsten
>
> >
>
--
Lift, the simply functional web framework http://liftweb.net
Beginning Scala http://www.apress.com/book/view/1430219890
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