// -*- C++ -*- //

#ifndef NEWMAPWIN_H

#define NEWMAPWIN_H

class NewMapWin;

#include <all_include.h>

#include <graph_displayer_canvas.h>

#include <libgnomecanvasmm.h>

#include <libgnomecanvasmm/polygon.h>

#include <stack>

///This class is responsible for creating a window,

///on which the parameters of a new map can be set.

class NewMapWin : public Gtk::Dialog

{

  ///The \ref GraphDisplayerCanvas on which the graph will be drawn.

  ///It has to be known for this class, because

  ///when a map is created

  ///a function of the \ref GraphDisplayerCanvas will be called.

  GraphDisplayerCanvas & gdc;

public:

  struct tree_node

  {

    char ch;

    tree_node * left_child;

    tree_node * right_child;

  };

  ///Constructor of NewMapWin creates the widgets shown in NewMapWin.

  NewMapWin(const std::string& title, GraphDisplayerCanvas &, bool itisedge=true, bool edgenode=true);

  ///Signal on button is connected to this function,

  ///Therefore this function determines whether to

  ///call the map/creatort function, and if yes, it

  //tells it the attributes.(name, default value)

  virtual void on_response(int response_id);

  virtual bool closeIfEscapeIsPressed(GdkEventKey*);

  ///Function that creates a tree from an appropriately manipulated string

  tree_node * weightedString2Tree(std::string, std::vector<unsigned int> &, int);

  ///Function  that creates a string from a tree by postorder reading.

  std::string postOrder(tree_node *);

  std::string string2Polishform(std::string, bool);

  bool validVariable(std::string, bool);

  std::map<char, std::string> ch2var;

  Gtk::Entry name, default_value;

  Gtk::Table * table;

  Gtk::Label * label;

  Gtk::RadioButton node, edge;

};

#endif //NEWMAPWIN_H