[Lift] Re: howto do simple calculation with MappedInt
Dave,
This helped me a lot to understand things better!
thanks.
Sorry it took so long to get to this... my inbox keeps growing... sigh.
Anyway, Order.scala: 64 should be:
def currentCost = Order.this.lots *
(Order.this.marketPlace.obj.map(_.lotValue.is) openOr 0 )
The marketplace field is a foreign key reference... so you have to get
the row that's represented by the foreign key (.obj) which is a
Box[MarketPlace] and then get the lotValue field from the marketplace.
I'm enclosing the revised (compiling) files.
Thanks,
David
On Sun, Jul 5, 2009 at 6:31 AM, Tobias Daub hannes.flo...@gmx.li
mailto:hannes.flo...@gmx.li wrote:
here are the two files, thanks!
Send me the file and I'll debug it.
On Fri, Jul 3, 2009 at 3:06 AM, Tobias Daub
hannes.flo...@gmx.li mailto:hannes.flo...@gmx.li
mailto:hannes.flo...@gmx.li mailto: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
mailto:hannes.flo...@gmx.li mailto:hannes.flo...@gmx.li
mailto:hannes.flo...@gmx.li mailto:hannes.flo...@gmx.li
mailto: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 http://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
http://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 http://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)
[Lift] Re: howto do simple calculation with MappedInt
here are the two files, thanks!
Send me the file and I'll debug it.
On Fri, Jul 3, 2009 at 3:06 AM, Tobias Daub hannes.flo...@gmx.li
mailto: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
mailto: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
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 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
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
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
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups
Lift group.
To post
[Lift] Re: howto do simple calculation with MappedInt
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
--~--~-~--~~~---~--~~
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
-~--~~~~--~~--~--~---
[Lift] Re: howto do simple calculation with MappedInt
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
--~--~-~--~~~---~--~~
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
-~--~~~~--~~--~--~---
[Lift] Re: howto do simple calculation with MappedInt
On Sun, Jun 21, 2009 at 6:38 AM, Tobias Daub 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) 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)),
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)),
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 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
--~--~-~--~~~---~--~~
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
-~--~~~~--~~--~--~---
