EditColTableDef.getProperties(TABLE_DEF));
// (re) set the label provider, for one which can handle multiple
// columns.
nodeTreeView.getTreeViewer().setLabelProvider(
new NodeEditorLabelProvider(this));
// set a cell modifier
nodeTreeView.getTreeViewer().setCellModifier(this);
nodeTreeView.getTreeViewer().setSorter(new NodeWrapperTreeSorter());