net.liftweb.util.BindHelpers

FuncAttrBoxBindParam

final class FuncAttrBoxBindParam extends BindParam with BindWithAttr

BindParam that computes an optional new attribute value based on the current attribute value. Returning Empty in the transform function will result in the Attribute being omitted. For example, given the following markup:

<lift:AttrBinds>
  <div test:x="foo">
  <div test:y="foo">
</lift:AttrBinds>

The following snippet:

 import scala.xml._
 class AttrBinds {
   def render(xhtml : NodeSeq) : NodeSeq =
     BindHelpers.bind("test", xhtml,
       FuncAttrBoxBindParam("x", { ns : NodeSeq => Full(Text(ns.text.toUpperCase + "X"))}, ("lift","calcId")),
       FuncAttrBoxBindParam("y", { ns : NodeSeq =>
         if (ns.text.length > 10) {
           Full(Text(ns.text.length + "Y"))
         } else {
           Empty
         }, ("lift","calcId")))

produces this markup:

  <div lift:calcId="FOOX" />
  <div />

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  1. FuncAttrBoxBindParam
  2. BindWithAttr
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Instance Constructors

  1. new FuncAttrBoxBindParam(name: String, func: ⇒ (NodeSeq) ⇒ Box[NodeSeq], newAttr: String)

    name

    The name to bind against

    newAttr

    The new attribute label

Value Members

  1. final def !=(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  2. final def !=(arg0: Any): Boolean

    Definition Classes
    Any
  3. final def ##(): Int

    Definition Classes
    AnyRef → Any
  4. final def ==(arg0: AnyRef): Boolean

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  5. final def ==(arg0: Any): Boolean

    Definition Classes
    Any
  6. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  7. def calcValue(in: NodeSeq): Option[NodeSeq]

    Definition Classes
    FuncAttrBoxBindParamBindParam
  8. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
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    @throws( ... )
  9. final def eq(arg0: AnyRef): Boolean

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  10. def equals(arg0: Any): Boolean

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  11. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  12. final def getClass(): Class[_]

    Definition Classes
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  13. def hashCode(): Int

    Definition Classes
    AnyRef → Any
  14. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  15. val name: String

    The name to bind against

    The name to bind against

    Definition Classes
    FuncAttrBoxBindParamBindParam
  16. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  17. val newAttr: String

    The new attribute label

    The new attribute label

    Definition Classes
    FuncAttrBoxBindParamBindWithAttr
  18. final def notify(): Unit

    Definition Classes
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  19. final def notifyAll(): Unit

    Definition Classes
    AnyRef
  20. final def synchronized[T0](arg0: ⇒ T0): T0

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  21. def toString(): String

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  22. final def wait(): Unit

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    @throws( ... )
  23. final def wait(arg0: Long, arg1: Int): Unit

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    @throws( ... )
  24. final def wait(arg0: Long): Unit

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Inherited from BindWithAttr

Inherited from BindParam

Inherited from AnyRef

Inherited from Any

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