Added drag support breaks drop support

I have a Swing app (running on WIndows), which consists mainly of a Jtable with a list of files in it, one file per row. I wanted to be able to open files in the JTable using drag and drop, so Ive created a subclass of DropTarget and set it for my frame with setDropTarget() and it works fine, I can now drag and drop files from Windows Explorer. I set the drop target for the frame rather than the table because I wanted the user to be able to drop the files anywhere on the application.
I then wanted to add dragging files from the Jtable to other applications to be able to make copies of the file. So I setDragEnabled() on the table and setTransferHandler() on the table and created appropriate TransferHandler and Tranferable subclasses. Now I can can drag files from the table ok, but unfortunatelly I can no longer drop files onto the frame, it just shows the no-entry sign when I try to. I don't see why enabling drag support in the table breaks drop support in the frame, but it does - what am I doing wrong?
thanks Paul

paultaylor wrote:
setTransferHandler() on the table ... I can no longer drop filesTry overriding "importData" in TransferHandler.

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                                        <rich:dndParam name="label" value="#{query.name}" />
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                                   action="#{workSpaceBean.populateQuery}">
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Now when I click on the button in my home page , and expect to be navigated to the page which has dran drop support components, I get the following error :
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Error Code: 500
Target Servlet: Faces Servlet
Error Stack:
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at com.sun.faces.application.StateManagerImpl.removeTransientChildrenAndFacets(StateManagerImpl.java:171)
at com.sun.faces.application.StateManagerImpl.removeTransientChildrenAndFacets(StateManagerImpl.java:179)
at com.sun.faces.application.StateManagerImpl.removeTransientChildrenAndFacets(StateManagerImpl.java:179)
at com.sun.faces.application.StateManagerImpl.removeTransientChildrenAndFacets(StateManagerImpl.java:179)
at com.sun.faces.application.StateManagerImpl.removeTransientChildrenAndFacets(StateManagerImpl.java:179)
at com.sun.faces.application.StateManagerImpl.removeTransientChildrenAndFacets(StateManagerImpl.java:179)
at com.sun.faces.application.StateManagerImpl.saveSerializedView(StateManagerImpl.java:86)
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at com.sun.faces.taglib.jsf_core.ViewTag.doAfterBody(ViewTag.java:170)
Iam getting this error only when I include this jsp in the parent jsp :
<f:subview id="menu">
          <jsp:include page="/search/incld/menu.incl.jsp" />
</f:subview>
Iam including the same way in all other jsps of my application , they are all working fine expect for this jsp which has ajax components (rich faces drag m drop support components ) .
From the error I deduce that the view component is being generated twice , why is this so???
I would appreciate if some one coulkd guide me through this .... I hope I was able to explain my issu properly , please let me know if it is now clear

I've tinkered a bit with DnD before in the past. Actually, it's all related to the topic of Data Transfer. You have to provide a source and destination for the transferrable, and your transferrable object must provide the "data flavors" that it supports.
In theory it doesn't sound too hard, and it works reasonably well within a java application, but to be honest your time might be better spent simply implementing cut n' paste, which is easier. Cut n' paste doesn't require all the fancy UI work, but does the job reasonably well.
There's a DnD spec available on the documentation web-site, if you haven't already found it. I also discovered that the O'Reilly book (I think it's the AWT book, not the swing one) has a good chapter on data transfer that you might want to read.

[svn:fx-trunk] 10600: Adding drag support to List - dragInitiator.

Revision: 10600
Author:   [email protected]
Date:     2009-09-25 13:38:22 -0700 (Fri, 25 Sep 2009)
Log Message:
Adding drag support to List - dragInitiator. Currently can't drop the dragged items yet.
- ListItemDragProxy class - default drag proxy for List (through a new style "dragIndicatorClass")
- Added dragEnabled, dragMoveEnabled properties to List
QE notes: Dragging from List is now possible. Dropping to different containers will come with subsequent check-in.
Doc notes: None
Bugs: None
Reviewer: Ryan
Tests run: checkintests
Is noteworthy for integration: No
Modified Paths:
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    flex/sdk/trunk/frameworks/projects/spark/src/spark/components/List.as
    flex/sdk/trunk/frameworks/spark-manifest.xml
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Hi there.
I'm sorry for this naive question, but I just had to...
For implementing drop support in a JPanel can we use the new dnd features of 1.4 or do we have to do it using the "old style"?
I mean, do we have to implement the DropTargetListener interface and define it as a DropTarget or is there a simpler way?
Cheers,
/rp

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Added drag support breaks drop support

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