Tree.TargetItemAllowsChildren (vaadin-server 7.7-SNAPSHOT API)

java.lang.Object
- com.vaadin.event.dd.acceptcriteria.ClientSideCriterion
- - com.vaadin.event.dd.acceptcriteria.TargetDetailIs
  - - com.vaadin.ui.Tree.TargetItemAllowsChildren

All Implemented Interfaces:

AcceptCriterion, Serializable

Enclosing class:

Tree
```
public static class Tree.TargetItemAllowsChildren
extends TargetDetailIs
```
A criterion that accepts Transferable only directly on a tree node that can have children.
Class is singleton, use get() to get the instance.

Since:

6.3

See Also:

Tree.setChildrenAllowed(Object, boolean), Serialized Form

Method Summary

All Methods Static Methods Instance Methods Concrete 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 Tree.TargetItemAllowsChildren`	`get()`

Methods inherited from class com.vaadin.event.dd.acceptcriteria.TargetDetailIs
getIdentifier, paintContent

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

- Method Detail
  - get
```
public static Tree.TargetItemAllowsChildren get()
```
  - 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.
    
    Specified by:
    
    accept in interface AcceptCriterion
    
    Overrides:
    
    accept in class TargetDetailIs
    
    Returns: