TDAT: 	private void updateUIFromDOMModel() {

		// 1. Get DOM Document from DOM Model.
		Document document = model.getDocument();

		// 3. Update SWT Table with DOM list of shapes (rectangle, ellipse)
		if (shapesTableViewer.getInput() == null)
			// Input is not initialized, set it
			shapesTableViewer.setInput(document);
		else
			// refresh SWT Table
			shapesTableViewer.refresh();
	}
 COM: <s> update the ui from dom model </s>