java.lang.Object
java.awt.dnd.DropTargetContext
- All Implemented Interfaces:
- Serializable
A 
DropTargetContext is created
 whenever the logical cursor associated
 with a Drag and Drop operation coincides with the visible geometry of
 a Component associated with a DropTarget.
 The DropTargetContext provides
 the mechanism for a potential receiver
 of a drop operation to both provide the end user with the appropriate
 drag under feedback, but also to effect the subsequent data transfer
 if appropriate.- Since:
- 1.2
- See Also:
- 
Nested Class SummaryNested ClassesModifier and TypeClassDescriptionprotected classTransferableProxyis a helper inner class that implementsTransferableinterface and serves as a proxy for anotherTransferableobject which represents data transfer for a particular drag-n-drop operation.
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Method SummaryModifier and TypeMethodDescriptionprotected voidacceptDrag(int dragOperation) accept the Drag.protected voidacceptDrop(int dropOperation) called to signal that the drop is acceptable using the specified operation.protected TransferablecreateTransferableProxy(Transferable t, boolean local) Creates a TransferableProxy to proxy for the specified Transferable.voiddropComplete(boolean success) This method signals that the drop is completed and if it was successful or not.This method returns theComponentassociated with thisDropTargetContext.protected DataFlavor[]get the available DataFlavors of theTransferableoperand of this operation.protected List<DataFlavor> This method returns the currently available DataFlavors of theTransferableoperand as ajava.util.List.This method returns theDropTargetassociated with thisDropTargetContext.protected intThis method returns anintrepresenting the current actions thisDropTargetwill accept.protected Transferableget the Transferable (proxy) operand of this operationprotected booleanThis method returns abooleanindicating if the givenDataFlavoris supported by thisDropTargetContext.protected voidreject the Drag.protected voidcalled to signal that the drop is unacceptable.protected voidsetTargetActions(int actions) This method sets the current actions acceptable to thisDropTarget.
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Method Details- 
getDropTargetThis method returns theDropTargetassociated with thisDropTargetContext.- Returns:
- the DropTargetassociated with thisDropTargetContext
 
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getComponentThis method returns theComponentassociated with thisDropTargetContext.- Returns:
- the Component associated with this Context
 
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setTargetActionsprotected void setTargetActions(int actions) This method sets the current actions acceptable to thisDropTarget.- Parameters:
- actions- an- intrepresenting the supported action(s)
 
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getTargetActionsprotected int getTargetActions()This method returns anintrepresenting the current actions thisDropTargetwill accept.- Returns:
- the current actions acceptable to this DropTarget
 
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dropCompleteThis method signals that the drop is completed and if it was successful or not.- Parameters:
- success- true for success, false if not
- Throws:
- InvalidDnDOperationException- if a drop is not outstanding/extant
 
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acceptDragprotected void acceptDrag(int dragOperation) accept the Drag.- Parameters:
- dragOperation- the supported action(s)
 
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rejectDragprotected void rejectDrag()reject the Drag.
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acceptDropprotected void acceptDrop(int dropOperation) called to signal that the drop is acceptable using the specified operation. must be called during DropTargetListener.drop method invocation.- Parameters:
- dropOperation- the supported action(s)
 
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rejectDropprotected void rejectDrop()called to signal that the drop is unacceptable. must be called during DropTargetListener.drop method invocation.
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getCurrentDataFlavorsget the available DataFlavors of theTransferableoperand of this operation.- Returns:
- a DataFlavor[]containing the supportedDataFlavors of theTransferableoperand.
 
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getCurrentDataFlavorsAsListThis method returns the currently available DataFlavors of theTransferableoperand as ajava.util.List.- Returns:
- the currently available
 DataFlavors as a java.util.List
 
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isDataFlavorSupportedThis method returns abooleanindicating if the givenDataFlavoris supported by thisDropTargetContext.- Parameters:
- df- the- DataFlavor
- Returns:
- if the DataFlavorspecified is supported
 
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getTransferableget the Transferable (proxy) operand of this operation- Returns:
- the Transferable
- Throws:
- InvalidDnDOperationException- if a drag is not outstanding/extant
 
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createTransferableProxyCreates a TransferableProxy to proxy for the specified Transferable.- Parameters:
- t- the- Transferableto be proxied
- local-- trueif- trepresents the result of a local drag-n-drop operation.
- Returns:
- the new TransferableProxyinstance.
 
 
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