/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
/*
 * Copyright (c) 2013, Regents of the University of California
 *                     Yingdi Yu
 *
 * BSD license, See the LICENSE file for more information
 *
 * Author: Zhenkai Zhu <zhenkai@cs.ucla.edu>
 *         Alexander Afanasyev <alexander.afanasyev@ucla.edu>
 *         Yingdi Yu <yingdi@cs.ucla.edu>
 */

#ifndef TREE_LAYOUT_H
#define TREE_LAYOUT_H

#include <vector>
#include "trust-tree-node.h"

class TreeLayout 
{
public:
  struct Coordinate
  {
    double x;
    double y;
  };
  TreeLayout(){}
  virtual void setOneLevelLayout(std::vector<Coordinate> &childNodesCo){};
  void setSiblingDistance(int d) {m_siblingDistance = d;}
  void setLevelDistance(int d) {m_levelDistance = d;}
  int getSiblingDistance() {return m_siblingDistance;}
  int getLevelDistance() {return m_levelDistance;}
  virtual ~TreeLayout(){}
private:
  int m_siblingDistance;
  int m_levelDistance;
};

class OneLevelTreeLayout : public TreeLayout
{
public:
  OneLevelTreeLayout(){}
  virtual void setOneLevelLayout(std::vector<Coordinate> &childNodesCo);
  virtual ~OneLevelTreeLayout(){}
};

class MultipleLevelTreeLayout : public TreeLayout
{
public:
  MultipleLevelTreeLayout(){}
  virtual ~MultipleLevelTreeLayout(){}
  virtual void setMultipleLevelTreeLayout(TrustTreeNodeList& nodeList);
};

#endif // TREE_LAYOUT_H