tagMatchRG = new RadioGroup();
tagMatchRG.setBorders(true);
tagMatchRG.add(radioOR);
tagMatchRG.add(radioAND);
westPanel.setLayout(new RowLayout(Orientation.VERTICAL));
westPanel.add(tagTree, new RowData(1, 1));
westPanel.add(tagMatchRG, new RowData(1, -1));
BorderLayoutData centerData = new BorderLayoutData(LayoutRegion.CENTER);
centerData.setMargins(new Margins(5, 0, 5, 0));