Bug 136178 [Markers] Quick filter selection is not updating the view
20050411 Selecting and deselecting filters from the drop down is not changing the filters until you open the dialog
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
int operations = DND.DROP_COPY;
		Transfer[] transferTypes = new Transfer[] {
				MarkerTransfer.getInstance(), TextTransfer.getInstance() };
		DragSourceListener listener = new DragSourceAdapter() {
			public void dragSetData(DragSourceEvent event) {
				performDragSetData(event);
			}
			public void dragFinished(DragSourceEvent event) {
			}
		};
		getViewer().addDragSupport(operations, transferTypes, listener);
	}
	/**
	 * The user is attempting to drag marker data. Add the appropriate data to
	 * the event depending on the transfer type.
	 */
	private void performDragSetData(DragSourceEvent event) {
		if (MarkerTransfer.getInstance().isSupportedType(event.dataType)) {
			event.data = getSelectedMarkers();
			return;
		}
		if (TextTransfer.getInstance().isSupportedType(event.dataType)) {
			List selection = ((IStructuredSelection) getViewer().getSelection())
					.toList();
			try {
				IMarker[] markers = new IMarker[selection.size()];
				selection.toArray(markers);
				if (markers != null) {
					event.data = copyAction.createMarkerReport(markers);
				}