FormBuilder (final int height) { if (height == -1) { myPanel.add(new JLabel(), new GridBagConstraints(0, myLineCount++, 2, 1, 0, 1, CENTER, NONE, JBInsets.emptyInsets(), 0, 0)); return this; } return addLabeledComponent((JLabel)null, new Box.Filler(new JBDimension(0, height), new JBDimension(0, height), new JBDimension(Short.MAX_VALUE, height))); }