com.vaadin.event.dd.acceptcriteria

Class TargetDetailIs

java.lang.Object

com.vaadin.event.dd.acceptcriteria.ClientSideCriterion

com.vaadin.event.dd.acceptcriteria.TargetDetailIs

All Implemented Interfaces:

AcceptCriterion, Serializable

public class TargetDetailIs
extends ClientSideCriterion

Criterion for checking if drop target details contains the specific property with the specific value. Currently only String values are supported.

Since:

6.3 TODO add support for other basic data types that we support in UIDL.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
TargetDetailIs(String dataFlavor, Boolean true1)
TargetDetailIs(String dataFlavor, String value) Constructs a criterion which ensures that the value there is a value in TargetDetails that equals the reference value.

Method Summary

Modifier and Type	Method and Description
boolean	accept(DragAndDropEvent dragEvent) Validates the data in event to be appropriate for the DropHandler.drop(DragAndDropEvent) method.
protected String	getIdentifier()
void	paintContent(PaintTarget target)

Methods inherited from class com.vaadin.event.dd.acceptcriteria.ClientSideCriterion

isClientSideVerifiable, paint, paintResponse

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TargetDetailIs

public TargetDetailIs(String dataFlavor,
                      String value)

Constructs a criterion which ensures that the value there is a value in TargetDetails that equals the reference value.

Parameters:

dataFlavor - the type of data to be checked

value - the reference value to which the drop target detail will be compared

TargetDetailIs

public TargetDetailIs(String dataFlavor,
                      Boolean true1)

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:

getIdentifier

protected String getIdentifier()

Overrides:

getIdentifier in class ClientSideCriterion