#ifndef NAVPAGE_H
#define NAVPAGE_H

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "utils.h"

class SimpleNavigator;

class NavPage  
{
public:
	//	In a derived class, use this constructor to instantiate visual
	//	components using CreateWindow. For example:
	//
	//	anEdit = CreateWindow(_T("edit"), NULL, 
	//		WS_CHILD | WS_BORDER,
	//		RECT_SCREEN.left, RECT_SCREEN.top, 30, 20, 
	//		g_hWnd,	NULL, g_hInst, NULL);
	//
	//	In order to listen to button clicks, they first need to be 
	//	registered here in the navigator like this:
	//
	//	aButtonID=navigator->getID();
	//
	//	aButton = CreateWindow(_T("button"), L"Go", 
	//		WS_CHILD | BS_PUSHBUTTON, 
	//		RECT_SCREEN.right-30, RECT_SCREEN.top, 30, 20,
	//		g_hWnd,	registerID(goButtonID), g_hInst, NULL);
	NavPage(SimpleNavigator* navigator) {
		portrait = inPortraitMode();
		this->navigator=navigator;
	};
	//	Destructor
	virtual ~NavPage() {};
	//	In the derived class, show all visual components here using 
	//	ShowWindow. For example:
	//
	//	ShowWindow(anEdit,SW_SHOW);
	virtual void show() {};
	//	In the derived class, hide all visual components here using 
	//	ShowWindow. For example:
	//
	//	ShowWindow(anEdit,SW_HIDE);
	virtual void hide() {};
	//	In the derived class, use this method to do all custom
	//	painting, using methods from ApplicationInterface.cpp. Example:
	//
	//	drawText(&RECT_SCREEN, L"Under construction");
	virtual void paint() {};
	//	In the derived class, use this method to listen to buttons being
	//	clicked. See the comment in the constructor on how to obtain the id
	virtual void buttonClicked(int id) {};
	//	In the derived class, use this method to listen to 'mouse clicks'
	//	that do not occur inside visual components.
	virtual void userTap(int x, int y) {};
	//	In the derived class, use this method to listen to keys being pressed
	virtual void keyDown(WPARAM id, LPARAM lparam) {};
protected:
	SimpleNavigator* navigator;
	// Used to determine if the screen switched from portrait to landscape and visa versa.
	bool portrait;
};

#endif