#include "stdafx.h"
#include "resource.h"
#include "GroupBox.h"

#define WM_CHILD_SIZE WM_USER+10  
BEGIN_MESSAGE_MAP(WGroupBox,CDialog)
	ON_WM_NCPAINT()
	ON_WM_NCLBUTTONDOWN()
	ON_WM_NCLBUTTONDBLCLK()
	ON_WM_NCHITTEST()
	ON_WM_NCACTIVATE()
END_MESSAGE_MAP()
BOOL WGroupBox::Create(UINT nIDTemplate,CWnd*pParentWnd)
{
	if(!CDialog::Create(nIDTemplate,pParentWnd))
		return FALSE;
	CRect rect;
	GetWindowRect(rect);
	m_initSize.cx=rect.Width();
	m_initSize.cy=rect.Height();    
	Fold();
	return TRUE;
}
BOOL WGroupBox::PreTranslateMessage(MSG* pMsg)
{
	if(pMsg->message==WM_KEYDOWN)
	{
		int nVirtKey = (int)pMsg->wParam;    // virtual-key code
		if(nVirtKey==VK_RETURN)
		{
			UpdateData();
			return TRUE;  
		}
		else if(nVirtKey==VK_ESCAPE)
			return TRUE;
		else if(VK_TAB==nVirtKey&&GetFocus()==this)
		{
			GetParent()->SetFocus();
			return TRUE;
		}
	}
	return CDialog::PreTranslateMessage(pMsg);
}
BOOL WGroupBox::OnNcActivate(BOOL bActive)
{
	BOOL bRet=CDialog::OnNcActivate(bActive);
	m_bActive=bActive==TRUE;
	RedrawWindow();
	return bRet;
}
void WGroupBox::OnNcPaint()
{
	CRect rectClient,rectWindow;
	GetClientRect(rectClient);
	GetWindowRect(rectWindow);
	int height=20,width=rectWindow.Width();
	CWindowDC dc(this);
	dc.SetMapMode(MM_TEXT);
	
	CPoint pts[6];
	pts[0].x=height/3;
	pts[0].y=0;
	pts[1].x=width-height/3;
	pts[1].y=0;
	pts[2].x=width;
	pts[2].y=height/3;
	pts[3].x=width;
	pts[3].y=height;
	pts[4].x=0;
	pts[4].y=height;
	pts[5].x=0;
	pts[5].y=height/3;

	COLORREF colorTitle=RGB(190,190,190);
	if(m_bActive)
		colorTitle=GetSysColor(COLOR_ACTIVECAPTION);
	CPen pen(PS_SOLID, 1,colorTitle);
	CBrush brush(colorTitle);
	CPen* pOldPen = dc.SelectObject(&pen);
	CBrush* pOldBrush = dc.SelectObject(&brush);
	dc.Polygon(pts, 6);
	dc.SelectObject(pOldPen);
	dc.SelectObject(pOldBrush);

	CString sTitle;
	GetWindowText(sTitle);
	dc.SetTextColor(RGB(255,255,255));
	dc.SetBkMode(TRANSPARENT);
	CFont font;
	font.CreateStockObject(DEFAULT_GUI_FONT);
	CFont *pOldFont=dc.SelectObject(&font);
	dc.TextOut(10,6,sTitle);
	dc.SelectObject(pOldFont);

	DrawIconEx(dc.GetSafeHdc(),width-20,4,AfxGetApp()->LoadIcon(m_bFold?IDI_GROUP_FOLD:IDI_GROUP_UNFOLD),
	16,16,NULL,NULL,DI_NORMAL);
}
#if ADS<17
UINT WGroupBox::OnNcHitTest(CPoint point)
#else
LRESULT WGroupBox::OnNcHitTest(CPoint point)
#endif
{
	CPoint point1=point;
	ScreenToClient(&point1);
	if(point1.y<23)
		return HTCAPTION;
	else
		return CDialog::OnNcHitTest(point);
}
void WGroupBox::OnNcLButtonDown(UINT nHitTest,CPoint point)
{
	if(nHitTest==HTCAPTION)
	{
		if(m_bFold)
			UnFold();
		else
			Fold();
	}
	else
		CDialog::OnNcLButtonDown(nHitTest,point);
}
void WGroupBox::OnNcLButtonDblClk(UINT nHitTest,CPoint point)
{
	if(nHitTest==HTCAPTION)
	{
		if(m_bFold)
			UnFold();
		else
			Fold();
	}
	else
		CDialog::OnNcLButtonDown(nHitTest,point);
}
void WGroupBox::Fold()
{
	m_bFold=true;
	CRect rect;
	GetWindowRect(rect);
	GetParent()->ScreenToClient(rect);
	rect.bottom=rect.top+23;
	MoveWindow(rect);
	GetParent()->PostMessage(WM_CHILD_SIZE);
}
void WGroupBox::UnFold()
{
	m_bFold=false;
	CRect rect;
	GetWindowRect(rect);
	GetParent()->ScreenToClient(rect);
	rect.bottom=rect.top+m_initSize.cy;
	MoveWindow(rect);
	GetParent()->PostMessage(WM_CHILD_SIZE);
}
BEGIN_MESSAGE_MAP(WGroupBoxes,CWnd)
	ON_MESSAGE(WM_CHILD_SIZE,OnChildSize)
	ON_WM_VSCROLL()
	ON_WM_SIZE()
END_MESSAGE_MAP()
BOOL WGroupBoxes::Create(CWnd*pParent)
{
	const TCHAR* pszClassName 
			= AfxRegisterWndClass(CS_HREDRAW|CS_VREDRAW|CS_SAVEBITS|CS_DBLCLKS,
			LoadCursor(NULL,IDC_ARROW),GetSysColorBrush(COLOR_BTNFACE));
	return CWnd::CreateEx(NULL,pszClassName,_T(""),WS_VISIBLE|WS_CHILD,CRect(0,0,0,0),pParent,5000);
}
void WGroupBoxes::AddGroup(WGroupBox*pGroup,UINT idTemplate)
{
	pGroup->Create(idTemplate,this);
	m_allGroup.AddTail(pGroup);
	RecalcLayout();
}
void WGroupBoxes::InsertGroup(int i,WGroupBox*pGroup,UINT idTemplate)
{
	pGroup->Create(idTemplate,this);
	m_allGroup.Insert(i,pGroup);
	RecalcLayout();
}
WGroupBox* WGroupBoxes::FindGroup(const TCHAR* sName)
{
	for(m_allGroup.MoveToFirst();!m_allGroup.IsOut();m_allGroup.MoveToNext())
	{
		CString sTitle;
		WGroupBox* pWnd=m_allGroup.GetCurData();
		pWnd->GetWindowText(sTitle);
		if(sTitle==sName)
			return pWnd;
	}
	return NULL;
}
void WGroupBoxes::Clear()
{
	if(GetSafeHwnd()!=NULL)
		for(m_allGroup.MoveToFirst(); !m_allGroup.IsOut();m_allGroup.MoveToNext())
			m_allGroup.GetCurData()->DestroyWindow();

	m_allGroup.Clear();
}
int WGroupBoxes::GetHeight()
{
	int h=0;
	for(m_allGroup.MoveToFirst();!m_allGroup.IsOut();m_allGroup.MoveToNext())
	{
		CRect rect;
		m_allGroup.GetCurData()->GetWindowRect(rect);
		h+=rect.Height();
	}
	return h;
}
void WGroupBoxes::OnSize(UINT nType,int cx,int cy)
{
	CWnd::OnSize(nType,cx,cy);
	RecalcLayout();
}
LONG_PTR WGroupBoxes::OnChildSize(UINT_PTR, LONG_PTR)
{
	RecalcLayout();
	return 0;
}
void WGroupBoxes::RecalcLayout()
{
	static bool bIn=false;
	if(bIn)
		return;
	bIn=true;

	CRect rect;
	GetClientRect(rect);
	int h=GetHeight();
	if(rect.Height()<h)
	{
		ShowScrollBar(SB_VERT);
		int range=h-rect.Height();
		SetScrollRange(SB_VERT,0,range);
		if(GetScrollPos(SB_VERT)>range)
			SetScrollPos(SB_VERT,range);
	}
	else
	{
		SetScrollPos(SB_VERT,0);
		ShowScrollBar(SB_VERT,FALSE);
	}

	h=-GetScrollPos(SB_VERT);
	GetClientRect(rect);//May Change!
	for(m_allGroup.MoveToFirst();!m_allGroup.IsOut();m_allGroup.MoveToNext())
	{
		WGroupBox* pGroup=m_allGroup.GetCurData();
		CRect rectOld,rectNew;
		pGroup->GetWindowRect(rectOld);
		ScreenToClient(rectOld);
		rectNew.left=0;
		rectNew.top=h;
		rectNew.right=rect.Width()-2;
		rectNew.bottom=rectOld.Height()+h;
		if(rectOld!=rectNew)
			pGroup->MoveWindow(rectNew);
		h+=rectOld.Height();
	}	
	bIn=false;
}
void WGroupBoxes::OnVScroll(UINT nSBCode,UINT nPos,CScrollBar*pScrollBar)
{
	CRect rect;
	GetClientRect(&rect);
	int yMin,yMax;
	GetScrollRange(SB_VERT,&yMin,&yMax);
	int y0=GetScrollPos(SB_VERT);
	int y=y0;
	switch (nSBCode)
	{
	case SB_TOP:
		y = yMin;
		break;
	case SB_BOTTOM:
		y = yMax;
		break;
	case SB_LINEUP:
		y -=10;
		break;
	case SB_LINEDOWN:
		y +=10;
		break;
	case SB_PAGEUP:
		y -=100;
		break;
	case SB_PAGEDOWN:
		y +=100;
		break;
	case SB_THUMBTRACK:
		y = nPos;
		break;
	}
	if(y<yMin)
		y=yMin;
	else if(y>yMax)
		y=yMax;
	ScrollWindow(0,y0-y);
	SetScrollPos(SB_VERT,y);
	CWnd::OnVScroll(nSBCode, nPos, pScrollBar);
}