com.vaadin.ui
Class AbstractSelect.TargetItemIs

java.lang.Object
  com.vaadin.event.dd.acceptcriteria.ClientSideCriterion
      com.vaadin.ui.AbstractSelect.TargetItemIs

All Implemented Interfaces:

AcceptCriterion, java.io.Serializable

Enclosing class:

AbstractSelect

public static class AbstractSelect.TargetItemIs
extends ClientSideCriterion

Criterion which accepts a drop only if the drop target is (one of) the given Item identifier(s). Criterion can be used only on a drop targets that extends AbstractSelect like Table and Tree. The target and identifiers of valid Items are given in constructor.

Since:

6.3

See Also:

Serialized Form

Constructor Summary

AbstractSelect.TargetItemIs(AbstractSelect select, java.lang.Object... itemId)

Method Summary

boolean

accept(DragAndDropEvent dragEvent) Validates the data in event to be appropriate for the DropHandler.drop(DragAndDropEvent) method.

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

AbstractSelect.TargetItemIs

public AbstractSelect.TargetItemIs(AbstractSelect select,
                                   java.lang.Object... itemId)

Parameters:

select - the select implementation that is used as a drop target

itemId - the identifier(s) that are valid drop locations

Method Detail

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: