TreeViewer selections and the Clipboard

问题

Is it possible to place more than one object (which represent TreeViewer selections) into the clipboard? Here's my Cut code.

static public void Cut(EssentialData dataInst)
{
    IStructuredSelection selection = (IStructuredSelection)dataInst.getTreeViewer().getSelection();

    if(selection == null)
    {
        System.err.println("selection received was null");
        return;
    }

    Object[] objects = selection.toArray();

    //because setContents requires a Transfer object for every object sent
    List<Transfer> typesList = new ArrayList<>();

    for(int i = 0; i < objects.length; i++)
        typesList.add(FileEntryTransfer.getInstance());

    final Clipboard cb = new Clipboard(Display.getCurrent());
    cb.setContents(objects, typesList.toArray(new Transfer[]{}));
    cb.dispose();

    for(int i = 0; i < objects.length; i++)
        dataInst.getFileManager().removeEntry((FileEntry)objects[i]);

    dataInst.getTreeViewer().refresh(false);
}

What I'm trying to do is place multiple selections, which are instances of FileEntry, into the clipboard.

FileEntryTransfer is my custom ByteArrayTransfer class that I also use for DND. It works well, but I noticed that setContents() actually sends it only one FileEntry object as opposed to an array of objects (which is what I want).

Any ideas?

[edit]Thanks to vanaprogeja, I sovled it with

cb.setContents(new Object[]{ objects }, new Transfer[] { FileEntryTransfer.getInstance() });

回答1:

How about:

cb.setContents(new Object[]{ objects },
    new Transfer[] { FileEntryTransfer.getInstance() });

来源：https://stackoverflow.com/questions/8498537/treeviewer-selections-and-the-clipboard

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java

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