com.vaadin.event.dd.acceptcriteria
Class Not

java.lang.Object
  extended by com.vaadin.event.dd.acceptcriteria.ClientSideCriterion
      extended by com.vaadin.event.dd.acceptcriteria.Not
All Implemented Interfaces:
AcceptCriterion, Serializable

public class Not
extends ClientSideCriterion

Criterion that wraps another criterion and inverts its return value.

Since:
6.3
See Also:
Serialized Form

Constructor Summary
Not(ClientSideCriterion acceptCriterion)
           
 
Method Summary
 boolean accept(DragAndDropEvent dragEvent)
          Validates the data in event to be appropriate for the DropHandler.drop(DragAndDropEvent) method.
 void paintContent(PaintTarget target)
           
 
Methods inherited from class com.vaadin.event.dd.acceptcriteria.ClientSideCriterion
getIdentifier, isClientSideVerifiable, paint, paintResponse
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Not

public Not(ClientSideCriterion acceptCriterion)
Method Detail

paintContent

public void paintContent(PaintTarget target)
                  throws PaintException
Overrides:
paintContent in class ClientSideCriterion
Throws:
PaintException

accept

public boolean accept(DragAndDropEvent dragEvent)
Description copied from interface: AcceptCriterion
Validates the data in event to be appropriate for the DropHandler.drop(DragAndDropEvent) method.

Note that even if your criterion is validated on client side, you should always validate the data on server side too.

Returns:


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