Bug 16271 copy action must talk to paste action
problem: select a file ctrl+c ctrl+v (without changing selection) nothing happens beacuse nobody told the paste action that stuff is available in the clipboard (there're no callback here) see the plaftorm CopyAction on how to solve it (should be not difficult) marking as major - does not allow you to do the usual thing of hitting ctlr+c/ctlr+c in a row
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/reorg/CopySourceReferencesToClipboardAction.java
private Clipboard fClipboard;
	protected CopySourceReferencesToClipboardAction(IWorkbenchSite site, Clipboard clipboard) {
		super(site);
		Assert.isNotNull(clipboard);
		fClipboard= clipboard;
	}
	protected void perform(IStructuredSelection selection) throws JavaModelException {
			copyToOSClipbard(getElementsToProcess(selection));
	}
	private Clipboard getSystemClipboard() {
		return fClipboard;
	}
	
	private void copyToOSClipbard(ISourceReference[] refs)  throws JavaModelException {
		try{
			getSystemClipboard().setContents(createClipboardInput(refs), createTransfers());
		} catch (SWTError e){
			if (e.code != DND.ERROR_CANNOT_SET_CLIPBOARD)
				throw e;
			if (MessageDialog.openQuestion(getShell(), "Problem Copying to Clipboard", "There was a problem when accessing the system clipboard. Retry?"))
				copyToOSClipbard(refs);