@Override
public Component getTreeCellRendererComponent(
JTree t,
Object value,
boolean sel,
boolean expanded,
boolean leaf,
int row,
boolean hasFocus) {
VisualNode node = (VisualNode) value;
node.decorate(this, sel, System.currentTimeMillis());
if (node.hasChanged()) {
this.revalidate();
}
return this;
}