Bug 315281 update copyrights for 3.6
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/TreeViewer.java
cachedRow = new TreeViewerRow((TreeItem) item);
		} else {
			cachedRow.setItem((TreeItem) item);
		}
		return cachedRow;
	}
	/**
	 * Create a new ViewerRow at rowIndex
	 *
	 * @param parent
	 * @param style
	 * @param rowIndex
	 * @return ViewerRow
	 */
	private ViewerRow createNewRowPart(ViewerRow parent, int style, int rowIndex) {
		if (parent == null) {
			if (rowIndex >= 0) {
				return getViewerRowFromItem(new TreeItem(tree, style, rowIndex));
			}
			return getViewerRowFromItem(new TreeItem(tree, style));
		}
		if (rowIndex >= 0) {
			return getViewerRowFromItem(new TreeItem((TreeItem) parent.getItem(),
					SWT.NONE, rowIndex));
		}
		return getViewerRowFromItem(new TreeItem((TreeItem) parent.getItem(),
				SWT.NONE));
	}
	/*
	 * (non-Javadoc)