((ColumnAction)action).apply(this);
else if(action instanceof ActionModifyWedge) {
ActionModifyWedge amw = (ActionModifyWedge)action;
WedgeData wedge = amw.getWedge();
if(getWedges().contains(wedge))
wedge.actionPerformed(observable, action);
}
}
public static final String TAG_COLUMN = "column";