Thanks guys, I knew I was missing something simple. So how do I then
do I make it so I have the Role id at the end of the form submission
process?
Thanks,
Peter
On Sep 4, 2:58 pm, Kris Nuttycombe <kris.nuttyco...@gmail.com> wrote:
> While your "updated" list will be modified by the loadUsers closure,
> the for comprehension will only be executed on the initial rendering
> of the snippet, not as part of the execution of your loadUsers or
> processUsers callbacks. So the state of the RequestVar will never be
> reset.
>
> Kris
>
> On Fri, Sep 4, 2009 at 2:01 PM, Peter Robinett<pe...@bubblefoundry.com> wrote:
>
> > I'm trying to use a RequestVar to keep the Mapper model that I'm
> > editing throughout the lifetime of a simple form. Specifically, I'm
> > adding Users to a Role. The problem is, the RequestVar seems to get
> > recreated at every step and, I must admit, it's driving me crazy and
> > I'd appreciate some help.
>
> > Here's my snippet code:
> > object currentRole extends RequestVar[Role](new Role)
>
> > def addUsers(xhtml: NodeSeq): NodeSeq = {
> > val possible = User.findAll().map(user => (user.id.toString,
> > user.name))
> > val current = role.users.map(user => user.id.toString)
> > var updated: List[Long] = Nil
>
> > for {
> > id <- S.param("id")
> > num <- Full(id.toLong)
> > e <- Role.find(By(Role.id, num))
> > } {
> > println(currentRole)
> > currentRole(e)
> > println(currentRole)
> > }
>
> > def loadUsers(ids: List[String]) = {
> > updated = ids.map(_.toLong)
> > }
>
> > def processUsers() = {
> > println(updated)
> > println(currentRole)
> > }
>
> > bind("entry", xhtml,
> > "users" -> SHtml.multiSelect(possible, current, loadUsers(_)),
> > "submit" -> SHtml.submit("Update", processUsers)
> > )
> > }
>
> > And the template:
> > <lift:surround with="default" at="content">
> > <lift:ManageRoles.addUsers form="POST">
> > <entry:users />
> > <entry:submit />
> > </lift:ManageRoles.addUsers>
> > </lift:surround>
>
> > And my STDOUT:
> > com.equalnetworks.model.Role={Parent
> > Role:=NULL,datacenter=NULL,Name:=,id=-1,Delete:=false,Update:=false,Create:=false,Read:=false}
> > com.equalnetworks.model.Role={Parent
> > Role:=NULL,datacenter=NULL,Name:=Customers,id=2,Delete:=false,Update:=false,Create:=false,Read:=false}
> > INFO - Service request (GET) /roles/memberships/ took 87 Milliseconds
> > INFO - Service request (GET) /classpath/jquery.js took 7 Milliseconds
> > INFO - Service request (GET) /images/ajax-loader.gif took 6
> > Milliseconds
> > List(1, 2)
> > com.equalnetworks.model.Role={Parent
> > Role:=NULL,datacenter=NULL,Name:=,id=-1,Delete:=false,Update:=false,Create:=false,Read:=false}
>
> > As you can see, I'm using a for comprehension to take a request
> > parameter (e.g. /roles/memerships/?id=2) and get a Role, which I then
> > successfully assign to my currentRole RequestVar (see how id is first
> > -1 and then 2). Unfortunately once I submit the form processUsers is
> > called and currentRole again has an id of -1. Why is this?
>
> > Thanks in advance,
> > Peter Robinett
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"Lift" group.
To post to this group, send email to liftweb@googlegroups.com
To unsubscribe from this group, send email to
liftweb+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/liftweb?hl=en
-~----------~----~----~----~------~----~------~--~---
