Bug 34335 DND doesn't work
RC2 Linux-GTK Drag and drop doesn't work. I've tried it in the DNDExample and in the package explorer and drags are never initiated.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/browsing/JavaBrowsingPart.java
protected final StructuredViewer getViewer() {
		return fViewer;
	}
	protected final void setViewer(StructuredViewer viewer){
		fViewer= viewer; 
	}
	protected JavaUILabelProvider createLabelProvider() {
		return new AppearanceAwareLabelProvider(
						AppearanceAwareLabelProvider.DEFAULT_TEXTFLAGS,
						AppearanceAwareLabelProvider.DEFAULT_IMAGEFLAGS | JavaElementImageProvider.SMALL_ICONS
						);
	}
	protected ILabelProvider createTitleProvider() {
		return new JavaElementLabelProvider(JavaElementLabelProvider.SHOW_BASICS | JavaElementLabelProvider.SHOW_SMALL_ICONS);
	}
	protected final ILabelProvider getLabelProvider() {
		return fLabelProvider;
	}
	protected final ILabelProvider getTitleProvider() {
		return fTitleProvider;
	}
	/**
	 * Creates the the viewer of this part.
	 * 
	 * @param parent	the parent for the viewer
	 */
	protected StructuredViewer createViewer(Composite parent) {
		return new ProblemTableViewer(parent, SWT.MULTI);
	}