#ifndef MAIN_WINDOW_H
#define MAIN_WINDOW_H


#include <QMainWindow>
#include "ui_main_window.h"
#include "model/Model.h"
#include "view/Viewer_instructor.h"


class Menu_k_nearest_neighbors;
class Menu_uniform_neighbors;
class Menu_edge_contraction;
class Menu_persistence;

class MainWindow : public QMainWindow,public Ui::MainWindow{
	Q_OBJECT

private:
	Model model_;
	Viewer_instructor* viewer_instructor_;
	Menu_k_nearest_neighbors* menu_k_nearest_neighbors_;
	Menu_uniform_neighbors* menu_uniform_neighbors_;
	Menu_edge_contraction* menu_edge_contraction_;
	Menu_persistence* menu_persistence_;

public:
	MainWindow(QWidget* parent = 0);
	void connectActions();

	/**
	 * compute the bounding box and calls update view
	 */
	void init_view() const;
	void update_view() const;


protected:
	void closeEvent(QCloseEvent *event);
	void keyPressEvent(QKeyEvent *event){}

public:

	public slots:


	/**
	 * open a file chooser to choose an off to load
	 */
	void off_file_open();

	void off_points_open();

	/**
	 * open a file chooser to choose an off to save
	 */
	void off_file_save();
	void off_points_save();

	void show_graph_stats();
	void show_complex_stats();
	void show_complex_dimension();


	void build_rips_menu();
	void build_rips(double alpha);
	void build_k_nearest_neighbors_menu();
	void build_k_nearest_neighbors(unsigned k);


	void contract_edge_menu();
	void contract_edges(unsigned num_collapses);


	void collapse_vertices();
	void collapse_edges();


	void uniform_noise();
	void lloyd();

	void show_homology_group();
	void show_euler_characteristic();
	void persistence_menu();
	void compute_persistence(int p,double threshold,int max_dim,double min_pers);



public:
	signals:
	void sceneChanged() const;
	

};


#endif