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Préférences
Moteurs de recherche
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JavaTM 2 Platform Std. Ed. v1.5.0
java.awt.dnd
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Field Summary |
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Fields inherited from class java.awt.dnd.DropTargetEvent |
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context |
Fields inherited from class java.util.EventObject |
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source |
Constructor Summary | |
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DropTargetDragEvent(DropTargetContext dtc,
Point cursorLocn,
int dropAction,
int srcActions)
Construct a DropTargetDragEvent given the
DropTargetContext for this operation,
the location of the "Drag" Cursor 's hotspot
in the Component 's coordinates, the
user drop action, and the source drop actions. |
Method Summary | |
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void |
acceptDrag(int dragOperation)
Accepts the drag. |
DataFlavor[] |
getCurrentDataFlavors()
This method returns the current DataFlavor s from the
DropTargetContext . |
List<DataFlavor> |
getCurrentDataFlavorsAsList()
This method returns the current DataFlavor s
as a java.util.List |
int |
getDropAction()
This method returns the user drop action. |
Point |
getLocation()
This method returns a Point
indicating the Cursor 's current
location within the Component' s
coordinates. |
int |
getSourceActions()
This method returns the source drop actions. |
Transferable |
getTransferable()
This method returns the Transferable object that represents the data associated with the current drag operation. |
boolean |
isDataFlavorSupported(DataFlavor df)
This method returns a boolean indicating
if the specified DataFlavor is supported. |
void |
rejectDrag()
Rejects the drag as a result of examining either the dropAction or the available DataFlavor
types. |
Methods inherited from class java.awt.dnd.DropTargetEvent |
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getDropTargetContext |
Methods inherited from class java.util.EventObject |
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getSource, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public DropTargetDragEvent(DropTargetContext dtc, Point cursorLocn, int dropAction, int srcActions)
DropTargetDragEvent
given the
DropTargetContext
for this operation,
the location of the "Drag" Cursor
's hotspot
in the Component
's coordinates, the
user drop action, and the source drop actions.
dtc
- The DropTargetContext for this operationcursorLocn
- The location of the "Drag" Cursor's
hotspot in Component coordinatesdropAction
- The user drop actionsrcActions
- The source drop actions
NullPointerException
- if cursorLocn is null
IllegalArgumentException
- if dropAction is not one of
DnDConstants
.
IllegalArgumentException
- if srcActions is not
a bitwise mask of DnDConstants
.
IllegalArgumentException
- if dtc is null
.Method Detail |
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public Point getLocation()
Point
indicating the Cursor
's current
location within the Component'
s
coordinates.
Component
's coords.public DataFlavor[] getCurrentDataFlavors()
DataFlavor
s from the
DropTargetContext
.
public List<DataFlavor> getCurrentDataFlavorsAsList()
DataFlavor
s
as a java.util.List
java.util.List
of the Current DataFlavor
spublic boolean isDataFlavorSupported(DataFlavor df)
boolean
indicating
if the specified DataFlavor
is supported.
df
- the DataFlavor
to test
public int getSourceActions()
public int getDropAction()
public Transferable getTransferable()
InvalidDnDOperationException
- if the data associated with the drag
operation is not availablepublic void acceptDrag(int dragOperation)
DropTargetListeners
dragEnter
,
dragOver
, and dropActionChanged
methods if the implementation wishes to accept an operation
from the srcActions other than the one selected by
the user as represented by the dropAction
.
dragOperation
- the operation accepted by the targetpublic void rejectDrag()
dropAction
or the available DataFlavor
types.