dsto.dfc.swing.dnd
Interface CnpProvider

All Known Implementing Classes:

DfcTable, DfcTree, LogMessageTable, MapTableView, StyleSheetTableView

public interface CnpProvider

Defines a object that supports cut, copy and paste operations.

Version:

$Revision$

See Also:

CmdCut, CmdCopy, CmdPaste

Method Summary

Transferable	cnpCopy() Perform copy operation.
Transferable	cnpCut() Perform cut operation.
boolean	cnpPaste(Transferable transferable) Perform paste operation.
boolean	isCnpCopyEnabled() True if a copy operation is possible.
boolean	isCnpCutEnabled() True if a cut operation is possible.
boolean	isCnpPasteEnabled(Transferable transferable) True if a paste operation with a given transferable is possible.

Method Detail

isCnpCopyEnabled

boolean isCnpCopyEnabled()

True if a copy operation is possible. Implementors of this method who also implement PropertyEventSource are assumed to provide property change notification.

isCnpCutEnabled

boolean isCnpCutEnabled()

True if a cut operation is possible. Implementors of this method who also implement PropertyEventSource are assumed to provide property change notification.

isCnpPasteEnabled

boolean isCnpPasteEnabled(Transferable transferable)

True if a paste operation with a given transferable is possible.

cnpCopy

Transferable cnpCopy()
                     throws UnsupportedOperationException,
                            CloneNotSupportedException

Perform copy operation.

Returns:

Copied transferable or null if nothing is available to be copied (eg because there is nothing selected)

Throws:

UnsupportedOperationException - if copy operation not supported.

CloneNotSupportedException - if the data could not be cloned.

cnpCut

Transferable cnpCut()
                    throws UnsupportedOperationException,
                           CloneNotSupportedException

Perform cut operation.

Returns:

Cut transferable or null if nothing is available to be cut (eg because there is nothing selected)

Throws:

UnsupportedOperationException - if cut operation not supported.

CloneNotSupportedException - if the data could not be cloned.

cnpPaste

boolean cnpPaste(Transferable transferable)
                 throws UnsupportedOperationException,
                        UnsupportedFlavorException,
                        CloneNotSupportedException,
                        IOException

Perform paste operation.

Parameters:

transferable - The data to be pasted.

Returns:

True is transferable was pasted, false if not (eg because there is no selection to define where pasted item goes).

Throws:

UnsupportedOperationException - if paste operation not supported.

UnsupportedFlavorException - if transferable does not contain a supported data flavor for pasting.

CloneNotSupportedException - if the data could not be cloned.

IOException - if IO exception occurs during data transfer.