TreeTableCellRenderer.java 文件源码

/**
 * UpdateUI is overridden to set the colors of the Tree's renderer
 * to match that of the table.
 */
@Override
public void updateUI() {
    super.updateUI();
    // Make the tree's cell renderer use the table's cell selection
    // colors.
    final TreeCellRenderer tcr = getCellRenderer();
    if (tcr instanceof DefaultTreeCellRenderer) {
        final DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer) tcr;
        // For 1.1 uncomment this, 1.2 has a bug that will cause an
        // exception to be thrown if the border selection color is
        // null.
        // renderer.setBorderSelectionColor(null);
        renderer.setTextSelectionColor(UIManager.getColor("Table.selectionForeground"));
        renderer.setBackgroundSelectionColor(UIManager.getColor("Table.selectionBackground"));
    }
}