Bug 22274 [DND] Navigator should not sync selection with editor on drag
If I have two resources A and B open in their editors, and I try to drag A into B from the navigator view, I cannot. The navigator will flip the active active editor to A, making it impossible to drop on B. It is possible to avoid this by checking the dragsourceevent.doit value during the dragStart callback, and storing this value until the drag finished callback has occurred. If it is true, then a native drag is about to start. The mousedown or selection event should come after the dragStart event, and "Link navigator selection to active Editor" can be suppressed.
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/navigator/ResourceNavigator.java
* @param selection the current selection
	 */
	protected void updateStatusLine(IStructuredSelection selection) {
		String msg = getStatusLineMessage(selection);
		getViewSite().getActionBars().getStatusLineManager().setMessage(msg);
	}
	/**
	 * Updates the title text and title tool tip.
	 * Called whenever the input of the viewer changes.
	 * Called whenever the input of the viewer changes.
	 * 
	 * @since 2.0
	 */
	public void updateTitle() {
		Object input = getViewer().getInput();
		String viewName = getConfigurationElement().getAttribute("name"); 
		IWorkspace workspace = ResourcesPlugin.getWorkspace();
		IWorkingSet workingSet = workingSetFilter.getWorkingSet();
					
		if (input == null
			|| input.equals(workspace)
			|| input.equals(workspace.getRoot())) {
			setTitle(viewName);
			if (workingSet != null) {
				setTitleToolTip(ResourceNavigatorMessages.format(
					"ResourceNavigator.workingSetToolTip", 
					new Object[] {workingSet.getName()}));
			}
			else {
				setTitleToolTip("");