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com.vaadin.ui.
Class Tree.TargetItemAllowsChildren
java.lang.Object
com.vaadin.event.dd.acceptcriteria.ClientSideCriterion
com.vaadin.event.dd.acceptcriteria.TargetDetailIs
com.vaadin.ui.Tree.TargetItemAllowsChildren
All Implemented Interfaces:
Enclosing class:
- extends TargetDetailIs
public static class Tree.TargetItemAllowsChildren
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:
| Method Summary | |
|---|---|
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)- Specified by:
acceptin interfaceAcceptCriterion- Overrides:
acceptin classTargetDetailIs- Returns:
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.