public interface DropConstraint
com.vaadin.event.dd.DropHandler.DropHandler
. DropConstraint
implemented class are defined in the
WorkbenchDefinition
, TreeViewDropHandler
,TreeView
.Modifier and Type | Method and Description |
---|---|
boolean |
allowedAfter(com.vaadin.data.Item sourceItem,
com.vaadin.data.Item targetItem) |
boolean |
allowedAsChild(com.vaadin.data.Item sourceItem,
com.vaadin.data.Item targetItem) |
boolean |
allowedBefore(com.vaadin.data.Item sourceItem,
com.vaadin.data.Item targetItem) |
boolean |
allowedToMove(com.vaadin.data.Item sourceItem) |
boolean |
isAllowedAt(com.vaadin.data.Item sourceItem,
com.vaadin.data.Item targetItem,
MoveLocation location)
Checks whether source item is allowed to be moved relative (based on the move location) to target item.
|
boolean isAllowedAt(com.vaadin.data.Item sourceItem, com.vaadin.data.Item targetItem, MoveLocation location)
boolean allowedAsChild(com.vaadin.data.Item sourceItem, com.vaadin.data.Item targetItem)
sourceItem
- Moved Item.targetItem
- Target Item .boolean allowedBefore(com.vaadin.data.Item sourceItem, com.vaadin.data.Item targetItem)
sourceItem
- Moved Item.targetItem
- Target Item .boolean allowedAfter(com.vaadin.data.Item sourceItem, com.vaadin.data.Item targetItem)
sourceItem
- Moved Item.targetItem
- Target Item .boolean allowedToMove(com.vaadin.data.Item sourceItem)
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