com.vaadin.event.dd.acceptcriteria.SourceIsTarget API 7.7.46 | Vaadin

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com.vaadin.event.dd.acceptcriteria.

java.lang.Object
- com.vaadin.event.dd.acceptcriteria.ClientSideCriterion
- - com.vaadin.event.dd.acceptcriteria.SourceIsTarget

All Implemented Interfaces:

AcceptCriterion, Serializable
```
public class SourceIsTarget
extends ClientSideCriterion
```
A criterion that ensures the drag source is the same as drop target. Eg. Tree or Table could support only re-ordering of items, but no Transferables coming outside.
Note! Class is singleton, use get() method to get the instance.

Since:

6.3

See Also:

Serialized Form

Method Summary

All Methods
Modifier and Type	Method	Description
`boolean`	`accept(DragAndDropEvent dragEvent)`	Validates the data in event to be appropriate for the `DropHandler.drop(DragAndDropEvent)` method.
`static SourceIsTarget`	`get()`

Methods inherited from class com.vaadin.event.dd.acceptcriteria.ClientSideCriterion
getIdentifier, isClientSideVerifiable, paint, paintContent, paintResponse

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 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:
  - get
```
public static SourceIsTarget get()
```