org.eclipse.jface.util
Class LocalSelectionTransfer
java.lang.Object
org.eclipse.swt.dnd.Transfer
org.eclipse.swt.dnd.ByteArrayTransfer
org.eclipse.jface.util.LocalSelectionTransfer
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Direct Known Subclasses:
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LocalSelectionTransfer
-
public class LocalSelectionTransfer
- extends
ByteArrayTransfer
A LocalSelectionTransfer may be used for drag and drop operations
within the same instance of Eclipse.
The selection is made available directly for use in the DropTargetListener.
dropAccept method. The DropTargetEvent passed to dropAccept does not contain
the drop data. The selection may be used for validation purposes so that the
drop can be aborted if appropriate.
This class is not intended to be subclassed.
-
Since:
- 3.2
Constructor Summary
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protected
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LocalSelectionTransfer
()
Only the singleton instance of this class may be used. |
Methods inherited from class java.lang.
Object
|
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait
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LocalSelectionTransfer
protected LocalSelectionTransfer()
- Only the singleton instance of this class may be used.
getTransfer
public static
LocalSelectionTransfer getTransfer()
- Returns the singleton.
-
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Returns:
- the singleton
getSelection
public
ISelection getSelection()
- Returns the local transfer data.
-
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Returns:
- the local transfer data
getTypeIds
protected int[] getTypeIds()
- Returns the type id used to identify this transfer.
-
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Specified by:
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getTypeIds
in class
Transfer
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Returns:
- the type id used to identify this transfer.
getTypeNames
protected
String[] getTypeNames()
- Returns the type name used to identify this transfer.
-
-
Specified by:
-
getTypeNames
in class
Transfer
-
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Returns:
- the type name used to identify this transfer.
javaToNative
public void javaToNative(
Object object,
TransferData transferData)
- Overrides org.eclipse.swt.dnd.ByteArrayTransfer#javaToNative(Object,
TransferData).
Only encode the transfer type name since the selection is read and
written in the same process.
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Overrides:
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javaToNative
in class
ByteArrayTransfer
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-
Parameters:
-
object
- a java byte[]
containing the data to be converted -
transferData
- an empty TransferData
object that will
be filled in on return with the platform specific format of the data -
See Also:
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ByteArrayTransfer.javaToNative(java.lang.Object, org.eclipse.swt.dnd.TransferData)
nativeToJava
public
Object nativeToJava(
TransferData transferData)
- Overrides org.eclipse.swt.dnd.ByteArrayTransfer#nativeToJava(TransferData).
Test if the native drop data matches this transfer type.
-
-
Overrides:
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nativeToJava
in class
ByteArrayTransfer
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Parameters:
-
transferData
- the platform specific representation of the data to be converted
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Returns:
- a java
byte[]
containing the converted data if the conversion was
successful; otherwise null -
See Also:
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ByteArrayTransfer.nativeToJava(TransferData)
setSelection
public void setSelection(
ISelection s)
- Sets the transfer data for local use.
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Parameters:
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s
- the transfer data
getSelectionSetTime
public long getSelectionSetTime()
- Returns the time when the selection operation
this transfer is associated with was started.
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Returns:
- the time when the selection operation has started
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See Also:
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TypedEvent.time
setSelectionSetTime
public void setSelectionSetTime(long time)
- Sets the time when the selection operation this
transfer is associated with was started.
If assigning this from an SWT event, be sure to use
setSelectionTime(event.time & 0xFFFF)
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Parameters:
-
time
- the time when the selection operation was started -
See Also:
-
TypedEvent.time
Guidelines for using Eclipse APIs.
Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.