@Override public Component prepareRenderer(TableCellRenderer renderer, int row, int column) { final Component result = super.prepareRenderer(renderer, row, column); final boolean selected = myExpandableItemsHandler.getExpandedItems().contains(new TableCell(row, column)); // Fix GTK background if (UIUtil.isUnderGTKLookAndFeel()) { UIUtil.changeBackGround(this, UIUtil.getTreeTextBackground()); } if (isTableDecorationSupported() && isStriped() && result instanceof JComponent) { final Color bg = row % 2 == 1 ? getBackground() : DECORATED_ROW_BG_COLOR; final JComponent c = (JComponent) result; final boolean cellSelected = isCellSelected(row, column); if (!cellSelected || (!hasFocus() && !getSelectionBackground().equals(c.getBackground()))) { c.setOpaque(true); c.setBackground(bg); for (Component child : c.getComponents()) { child.setBackground(bg); } } } if (!selected) return result; return new JComponent() { { add(result); setOpaque(false); setLayout( new AbstractLayoutManager() { @Override public Dimension preferredLayoutSize(Container parent) { return result.getPreferredSize(); } @Override public void layoutContainer(Container parent) { Dimension size = parent.getSize(); Insets i = parent.getInsets(); Dimension pref = result.getPreferredSize(); result.setBounds( i.left, i.top, Math.max(pref.width, size.width - i.left - i.right), size.height - i.top - i.bottom); } }); } }; }