Send me the file and I'll debug it.

On Fri, Jul 3, 2009 at 3:06 AM, Tobias Daub <hannes.flo...@gmx.li> wrote:

>
> Thanks Dave, but still getting this error:
>
>
> /home/wacky/NetBeansProjects/virtualMarket/src/main/scala/org/tobster/model/Order.scala:51:
> error: value lotValue is not a member of Long
>         override def _toForm = Full(<p>{Order.this.lots *
> Order.this.marketPlace.lotValue}</p>)
>
>
> What is the explanation for this behavior?
>
> thanks
> >
> >
> > On Sun, Jun 21, 2009 at 6:38 AM, Tobias Daub <hannes.flo...@gmx.li
> > <mailto:hannes.flo...@gmx.li>> wrote:
> >
> >
> >     I'm stucked again with the simple things....
> >
> >     I've a trait that extends BaseLongKeyedMapper and I wanna add a field
> >     (currentCost) that does some calculation. Nothing special. Here's
> >     the code:
> >
> >     /*
> >      * Order.scala
> >      *
> >      * To change this template, choose Tools | Template Manager
> >      * and open the template in the editor.
> >      */
> >
> >     package org.tobster.model
> >
> >     import net.liftweb._
> >     import mapper._
> >     import http._
> >     import SHtml._
> >     import util._
> >     import model._
> >
> >     /* Describes a general order.  */
> >     trait Order extends BaseLongKeyedMapper{
> >
> >        /* The number of lots this order has */
> >        object lots extends MappedInt(this.asInstanceOf[MapperType])
> >
> >        /* The person who owns the order */
> >        object owner extends
> >     MappedLongForeignKey(this.asInstanceOf[MapperType], User){
> >
> >            // hides this field in the CRUDify list/create forms
> >            override def dbDisplay_? = false
> >
> >            //set the default value to the current logged in user (at
> >     creation time)
> >            override def defaultValue = User.currentUser.map(_.id.is
> >     <http://id.is>) openOr 0L
> >        }
> >
> >        /* The market place where the order belongs to  */
> >        object marketPlace extends
> >     MappedLongForeignKey(this.asInstanceOf[MapperType],
> >     MarketPlaceMetaObj){
> >            override def _toForm = Full(SHtml.selectObj[MarketPlace](
> >
>  MarketPlaceMetaObj.findAll.map(mp
> >     => (mp, mp.name.is <http://mp.name.is>)),
> >                                          obj,
> >                                          (mp: MarketPlace) => apply(mp)))
> >        }
> >
> >        /* The basic trade types are: BUY and SELL */
> >        object tradeType extends
> >     MappedLongForeignKey(this.asInstanceOf[MapperType],
> TradeTypeMetaObj){
> >            override def _toForm = Full(SHtml.selectObj[TradeType](
> >                    TradeTypeMetaObj.findAll.map(t => (t, t.name.is
> >     <http://t.name.is>)),
> >                    obj,
> >                    (t: TradeType) => apply(t)))
> >        }
> >
> >
> >        object currentCost extends
> >     MappedInt(this.asInstanceOf[MapperType]){
> >            override def _toForm = Full(<p>{this.lots *
> >     this.marketPlace.lotValue}</p>)
> >
> >
> >
> > Try:
> > override def _toForm = Full(<p>{Order.this.lots *
> > Order.this.marketPlace.lotValue}</p>)
> >
> >
> >
> >
> >        }
> >
> >     }
> >
> >     I get the following compiler error:
> >
> >     [WARNING]
> >
> /home/wacky/workspace_VirtuelleBoerse/virtualMarket/src/main/scala/org/tobster/model/Order.scala:51:
> >     error: value lots is not a member of Int
> >     [WARNING]         override def _toForm = Full(<p>{this.lots *
> >     this.marketPlace.lotValue}</p>)
> >     [WARNING]                                              ^
> >     [WARNING] one error found
> >
> >     The field marketPlace.lotValue is of type MappedInt as well as the
> >     field
> >     lots.
> >
> >     I tried things like "this.lots.is <http://this.lots.is>" or
> >     "this.lots.i_is_!" but without
> >     success. I ran out of ideas...
> >
> >
> >     thanks.
> >
> >
> >
> >
> >
> > --
> > Lift, the simply functional web framework http://liftweb.net
> > Beginning Scala http://www.apress.com/book/view/1430219890
> > Follow me: http://twitter.com/dpp
> > Git some: http://github.com/dpp
> >
> > >
>
>
> >
>


-- 
Lift, the simply functional web framework http://liftweb.net
Beginning Scala http://www.apress.com/book/view/1430219890
Follow me: http://twitter.com/dpp
Git some: http://github.com/dpp

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