public CostMatrixEditor(){
  m_matrix=new CostMatrix(2);
  m_propSupport=new PropertyChangeSupport(this);
  m_customEditor=new CustomEditor();
}

public CostMatrixEditor ( ) { m_matrix = new CostMatrix ( 2 ) ; m_propSupport = new PropertyChangeSupport ( this ) ; m_customEditor = new CustomEditor ( ) ; }
constructs a new costmatrixeditor .
