gistfile1.java

public void resourceChanged(final IResourceChangeEvent event) {
	if (event.getType() != IResourceChangeEvent.POST_CHANGE 
			|| !(getEditorInput() instanceof IFileEditorInput)) {
		return;
	}

	IResourceDelta rootDelta = event.getDelta();
	IFile file = ((IFileEditorInput) getEditorInput()).getFile();
	IPath filePath = file.getFullPath();
	IResourceDelta delta = rootDelta.findMember(filePath);

	if (delta == null) {
		return;
	}

	Runnable changeRunnable = null;
	if (delta.getKind() == IResourceDelta.REMOVED) {
		if ((IResourceDelta.MOVED_TO & delta.getFlags()) != 0) {
			IPath path = delta.getMovedToPath();
			final IFile newFile = delta.getResource().getWorkspace().getRoot().getFile(path);
			if (newFile != null) {
				changeRunnable = new Runnable() {
					public void run() {
						setInput(new FileEditorInput(newFile));
						setPartName(getEditorInput().getName());
					}
				};
			}
		} else {
			changeRunnable = new Runnable() {
				public void run() {
					IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
					page.closeEditor(VisualMXMLEditor.this, false);
				}
			};

		}

	} else if (delta.getKind() == IResourceDelta.CHANGED) {
		changeRunnable = new Runnable() {
			public void run() {
				refreshGraphicalViewer();
			}
		};
	}

	if (changeRunnable != null) {
		getSite().getShell().getDisplay().asyncExec(changeRunnable);
	}

}