// SideBar.cpp: implementation of the CSideBar class.
//
//////////////////////////////////////////////////////////////////////

#include "SideBar.h"

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CSideBar::CSideBar(int ix,int iy,int iwidth,int iheight,int iLayerWidth,int iLayerHeight,UINT uiBG):CPanel(ix,iy,iwidth,iheight,uiBG)
{
	iLayerX=0;
	iLayerY=0;
	CSideBar::iLayerWidth=iLayerWidth;
	CSideBar::iLayerHeight=iLayerHeight;

	/*HANDLE hFile = CreateFile(TEXT("LessonMenu.txt"), GENERIC_READ, 0, NULL,
	  OPEN_EXISTING, FILE_ATTRIBUTE_READONLY, NULL);
	int iIndex=0;
	DWORD dwBytesRead;
	
	char chNext;
	int iMenus;
	char szMenuNumber[8];
	for(int i=0;i<2;i++){
		ReadFile(hFile,&chNext,1,&dwBytesRead,NULL);
		szMenuNumber[i]=chNext;
	}
	iMenus=atoi(szMenuNumber);
	while(true){
		ReadFile(hFile,&chNext,1,&dwBytesRead,NULL);
		if(chNext==(char)179)
			break;
		if(chNext=='\n' || chNext=='\t' || chNext=='\r')
			continue;
		szTreeMenu[iIndex++]=chNext;
	}
	szTreeMenu[iIndex]='\0';
	CloseHandle(hFile);

	/*strcpy(szTreeMenu,
				"Introduction:140:0:Intro:0:"
				"!Introduction:"

				"Alkane:90:4:Alkane:0:"
					"Preparation:140:0:Alkane:1:"
					"!Preparation:"
					"Reaction:140:3:Alkane:2:"
						"With Halogen:145:0:Alkane:3:"
						"!With Halogen:"
						"With Oxygen:145:0:Alkane:4:"
						"!With Oxygen:"
						"With Nitric acid:155:0:Alkane:5:"
						"!With Nitric acid:"
					"!Reaction:"
					"Exercises1:140:0:AlkaneExercise:0:"
					"!Exercises1:"
					"Exercises2:140:0:AlkaneExercise2:0:"
					"!Exercises2:"
				"!Alkane:"

	
				
				"Alkene:100:2:Alkene:0:"
					"Preparation:140:2:Alkene:1:"
						"Using Alcohol:145:0:Alkene:2:"
						"!Using Alcohol:"
						"Using Halides:145:0:Alkene:3:"
						"!Using Halides:"
					"!Preparation:"
					"Reaction:140:6:Alkene:4:"
						"With Hydrogen:145:0:Alkene:5:"
						"!With Hydrogen:"
						"With Halogen:145:0:Alkene:6:"
						"!With Halogen:"
						"With Halides:145:0:Alkene:7:"
						"!With Halides:"
						"Acidic Oxidization:155:0:Alkene:8:"
						"!Acidic Oxidization:"
						"Basic Oxidization:155:0:Alkene:9:"
						"!Basic Oxidization:"
						"Hydration:155:0:Alkene:10:"
						"!Hydration:"
					"!Reaction:"
				"!Alkene:"
				"Alkyne:145:0:Alkyne:0:"
				"!Alkyne:")		;*/
				

	_pContent=new CContent(250,20,530,560,530,800,IDB_TREE_BG_LEFTTOP);	

	//_pContent->ChangeTo("Alkene",0);

	pTreeMenu=new CTreeMenu(szTreeMenu,0,30,IDB_TREE_NORMAL1,10,50,32,_pContent);

	bmpBackGround=new Bitmap(GetDC(GameEngine::GetEngine()->GetWindow()),IDB_TREE_BG,GameEngine::GetEngine()->GetInstance());	
}

CSideBar::~CSideBar()
{
	delete pTreeMenu;
	delete bmpBackGround;
}

void CSideBar::DrawScreen(HDC hDC){
	if(!bShow) return;
	HDC _hLayerDC = CreateCompatibleDC(hDC);
	HBITMAP _hLayerBitmap = CreateCompatibleBitmap(hDC,iLayerWidth, iLayerHeight);
	SelectObject(_hLayerDC, _hLayerBitmap);

	//do painting


	for(int i=0;i<=iLayerWidth/90;i++){
		for(int j=0;j<=iLayerHeight/90;j++){
			bmpBackGround->Draw(_hLayerDC,i*90,j*90);
		}
	}

	pTreeMenu->DrawScreen(_hLayerDC);
	CPanel::DrawScreen(_hLayerDC);
	DeleteObject(_hLayerBitmap);
	DeleteDC(_hLayerDC);  

}

void CSideBar::MouseButtonDown(int x,int y,BOOL bLeft){
	_pContent->MouseButtonDown(x,y,bLeft);
	CPanel::MouseButtonDown(x,y,bLeft);
	if(WithinItem(x,y) && bShow)
		pTreeMenu->MouseButtonDown(x-GetX()+iLayerX,y-GetY()+iLayerY,bLeft);
}

void CSideBar::MouseButtonUp(int x,int y,BOOL bLeft){
	_pContent->MouseButtonUp(x,y,bLeft);
	CPanel::MouseButtonUp(x,y,bLeft);
	if(bShow)
		pTreeMenu->MouseButtonUp(x-GetX()+iLayerX,y-GetY()+iLayerY,bLeft);
}

void CSideBar::MouseMove(int x,int y){
	_pContent->MouseMove(x,y);
	CPanel::MouseMove(x,y);
	//if(WithinItem(x,y)&& bShow)
	if(bShow)
		pTreeMenu->MouseMove(x-GetX()+iLayerX,y-GetY()+iLayerY);
}

bool CSideBar::WithinItem(int x,int y){
	if(x>GetX() && x<GetX()+GetWidth() && y>GetY() && y<GetY() +GetHeight())
		return true;
	return false;
}

void CSideBar::ShowPanel(bool bShow){
	CPanel::bShow=bShow;
	CPanel::ShowPanel(bShow);
}

void CSideBar::ChangeContent(char *szFileName)
{

	HANDLE hFile = CreateFile(TEXT(szFileName), GENERIC_READ, 0, NULL,
	  OPEN_EXISTING, FILE_ATTRIBUTE_READONLY, NULL);
	int iIndex=0;
	DWORD dwBytesRead;
	
	char chNext;
	int iMenus;
	char szMenuNumber[8];
	for(int i=0;i<2;i++){
		ReadFile(hFile,&chNext,1,&dwBytesRead,NULL);
		szMenuNumber[i]=chNext;
	}
	iMenus=atoi(szMenuNumber);
	while(true){
		ReadFile(hFile,&chNext,1,&dwBytesRead,NULL);
		if(chNext==(char)179)
			break;
		if(chNext=='\n' || chNext=='\t' || chNext=='\r')
			continue;
		szTreeMenu[iIndex++]=chNext;
	}
	szTreeMenu[iIndex]='\0';
	CloseHandle(hFile);
	pTreeMenu->Refresh(iMenus);
				

	//pTreeMenu=new CTreeMenu(szTreeMenu,iMenus,30,IDB_TREE_NORMAL1,10,50,32,_pContent);
}