#pragma once

#ifndef TNZ_TEXTFIELD_INCLUDED

#define TNZ_TEXTFIELD_INCLUDED

#include "tw/tw.h"

#include "tw/textlistener.h"

#undef DVAPI

#undef DVVAR

#ifdef TWIN_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

#ifdef WIN32

#pragma warning(push)

#pragma warning(disable : 4251)

#endif

class DVAPI TTextField : public TWidget, public TTextListener

{

public:

	class Action

	{

	public:

		virtual ~Action() {}

		virtual void sendCommand(std::wstring) = 0;

	};

	class Listener

	{

	public:

		virtual void onKeyPressed(int key){};

		virtual void onFocusChange(bool on){};

		virtual ~Listener() {}

	};

protected:

	std::wstring m_text, m_oldText;

	int m_pos;

	int m_sel0, m_sel1;

	int m_off;

	bool m_mouseDown;

	int xToIndex(int x);

	std::vector<action *=""> m_actions;</action>

	std::vector<action *=""> m_commitActions;</action>

	Listener *m_listener;

	void updateOffset();

public:

	TTextField(TWidget *parent, std::string name = "textfield");

	~TTextField();

	virtual void commit() {}

	void draw();

	void keyDown(int, TUINT32, const TPoint &);

	void onDrop(std::wstring s);

	void leftButtonDoubleClick(const TMouseEvent &e);

	void leftButtonDown(const TMouseEvent &e);

	void leftButtonDrag(const TMouseEvent &e);

	void leftButtonUp(const TMouseEvent &e);

	std::wstring getText() const;

	void setText(std::wstring s);

	void setText(std::string s);

	// NON invoca l'azione registrata

	void select(int s0, int s1);

	void selectAll();

	void addAction(Action *action);

	void addCommitAction(Action *action);

	void setListener(Listener *listener);

	void onFocusChange(bool status);

	FocusHandling getFocusHandling() const { return LISTEN_TO_FOCUS; }

	virtual void pasteText(std::wstring text);

	virtual std::wstring copyText();

	virtual std::wstring cutText();

	virtual void drawFieldText(

		const TPoint &origin,

		std::wstring text);

#ifndef MACOSX

	// pezza dovuta al baco del gcc3.3.1. Togliere quando lo si aggiorna al 3.3.2 o superiori

	bool getCaret(TPoint &p, int &height);

#endif

	// toppa per aggiustare una bruttura grafica in Tab.

	// va ripensata tutta la logica del posizionamento del

	// testo

	int m_dy;

	virtual void sendCommand();

	virtual void sendCommitCommand();

};

//-------------------------------------------------------------------

template <class t=""></class>

class TTextFieldAction : public TTextField::Action

{

	typedef void (T::*Method)(std::wstring text);

	T *m_target;

	Method m_method;

public:

	TTextFieldAction(T *target, Method method)

		: m_target(target), m_method(method) {}

	void sendCommand(std::wstring s) { (m_target->*m_method)(s); }

};

template <class t=""></class>

void tconnect(TTextField *fld, T *target, void (T::*method)(std::wstring s))

{

	fld->addCommitAction(new TTextFieldAction<t>(target, method));</t>

}

//===================================================================

class DVAPI TNumField : public TTextField

{

public:

	class Event

	{

	public:

		TNumField *m_field;

		double m_value;

		enum Reason { KeyPressed,

					  FocusChange,

					  ReturnPressed };

		Reason m_reason;

		Event(TNumField *field)

			: m_field(field), m_value(field->getValue()), m_reason(KeyPressed)

		{

		}

	};

	class Action

	{

	public:

		virtual ~Action() {}

		virtual void sendCommand(const Event &ev) = 0;

	};

private:

	double m_minValue, m_maxValue;

	std::vector<action *=""> m_numActions;</action>

	bool m_isInteger;

	int m_precision;

protected:

	double m_value;

	virtual void valueToText();

	virtual void textToValue();

	void sendCommand();

public:

	TNumField(TWidget *parent, std::string name = "numfield");

	~TNumField();

	void keyDown(int, TUINT32, const TPoint &);

	bool getIsInteger() const { return m_isInteger; }

	void setIsInteger(bool isInteger);

	void setRange(double minValue, double maxValue);

	void getRange(double &minValue, double &maxValue);

	void setPrecision(int precision) { m_precision = precision; }

	int getPrecision() { return m_precision; }

	double getValue() const { return m_value; }

	void setValue(double value);

	// NON invoca l'azione registrata

	void addAction(Action *action);

	void onFocusChange(bool status);

	void pasteText(std::wstring text);

};

template <class t=""></class>

class TNumFieldAction : public TNumField::Action

{

	T *m_target;

	typedef void (T::*Method)(const TNumField::Event &e);

	Method m_method;

public:

	TNumFieldAction(T *target, Method method)

		: m_target(target), m_method(method) {}

	void sendCommand(const TNumField::Event &e) { (m_target->*m_method)(e); }

};

template <class t=""></class>

void tconnect(TNumField *nf, T *target, void (T::*method)(const TNumField::Event &e))

{

	nf->addAction(new TNumFieldAction<t>(target, method));</t>

}

//===================================================================

class TMeasuredValue;

class DVAPI TMeasuredValueField : public TTextField

{

public:

	class Action

	{

	public:

		virtual ~Action() {}

		virtual void sendCommand(TMeasuredValueField *field) = 0;

	};

private:

	TMeasuredValue *m_value;

	std::vector<action *=""> m_actions;</action>

public:

	TMeasuredValueField(TWidget *parent, std::string name = "numfield");

	~TMeasuredValueField();

	void setMeasure(std::string name);

	TMeasuredValue *getMeasuredValue() const { return m_value; }

	void setValue(double v);

	double getValue() const;

	void addAction(Action *action);

	//void onFocusChange(bool status);

	//void pasteText(wstring text);

	void commit();

};

template <class t=""></class>

class TMeasuredValueFieldAction : public TMeasuredValueField::Action

{

	typedef void (T::*Method)(TMeasuredValueField *fld);

	T *m_target;

	Method m_method;

public:

	TMeasuredValueFieldAction(T *target, Method method)

		: m_target(target), m_method(method) {}

	void sendCommand(TMeasuredValueField *fld) { (m_target->*m_method)(fld); }

};

template <class t=""></class>

void tconnect(TMeasuredValueField *fld, T *target, void (T::*method)(TMeasuredValueField *fld))

{

	fld->addAction(new TMeasuredValueFieldAction<t>(target, method));</t>

}

#ifdef WIN32

#pragma warning(pop)

#endif

#endif