// IconContainer.cpp : implementation file
//

#include "stdafx.h"
#include "IconContainer.h"
#include "math.h"
#include "IconPicker.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CIconContainer

#define IDC_INNERBUTTON 10000
#define IDC_ICONCONTAINER 10001
CIconContainer::CIconContainer()
{
	m_nRow=0;
	m_nCol=0;
	m_bClosed=FALSE;
}

CIconContainer::~CIconContainer()
{
	for(int i=0;i<m_InnerButtonArray.GetSize();i++)
	{
		CInnerButton* pInnerButton;
		pInnerButton=m_InnerButtonArray.GetAt(i);
		pInnerButton->SendMessage(WM_CLOSE,0,0);
		delete pInnerButton;
	}
	
}


BEGIN_MESSAGE_MAP(CIconContainer, CWnd)
	//{{AFX_MSG_MAP(CIconContainer)
	ON_WM_KILLFOCUS()
	ON_WM_PAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()


/////////////////////////////////////////////////////////////////////////////
// CIconContainer message handlers

BOOL CIconContainer::Create(POINT pt, CButton *pParentButton, CArray<CGif*,CGif*> *pGifArray)
{
	if(pGifArray->GetSize()<=0)return FALSE;

	m_pParentButton=pParentButton;

	///根据每张图片的大小创建IconContainer
	m_nCol=int(sqrt((double)pGifArray->GetSize())) + 1;    //计算列数
	m_nCellWidth = pGifArray->GetAt(0)->GetImg()->GetWidth() + 4;						//内部单元的宽度
	m_nCellHeight = pGifArray->GetAt(0)->GetImg()->GetHeight() + 4;					//内部单元的高度

	CRect rect;
	rect.left=pt.x,rect.top=pt.y;
	rect.right=pt.x+m_nCellWidth*m_nCol;			//容器的宽度

	if(pGifArray->GetSize()%m_nCol==0)			//计算行数
	{
		m_nRow = (int)pGifArray->GetSize()/m_nCol;
	}
	else
	{
		m_nRow = (int)pGifArray->GetSize()/m_nCol+1;
	}
	rect.bottom=pt.y+m_nCellHeight*m_nRow+2+46;		///容器的高度=(行数+2)*单元宽度

	CWnd::CreateEx(WS_EX_LEFT,AfxRegisterWndClass(0),NULL,WS_VISIBLE|WS_POPUP,rect, m_pParentButton->GetParent(), NULL );
	///创建图片张数 + 2个按钮
	for(int i=0;i< m_nRow ;i++)
	{
		for(int j=0;j<m_nCol&& i*m_nCol+j<pGifArray->GetSize();j++)
		{
			///计算按钮的位置
			CRect innerrect;
			innerrect.left=j*m_nCellWidth;
			innerrect.top=i*m_nCellHeight;
			innerrect.right=innerrect.left+m_nCellWidth;
			innerrect.bottom=innerrect.top+m_nCellHeight;

			innerrect.DeflateRect(2,2);

			///新建按钮
			CInnerButton *pInnerButton;
			pInnerButton=new CInnerButton;
			pInnerButton->Create(NULL,WS_CHILD |WS_VISIBLE,
				innerrect,this, IDC_INNERBUTTON + i * m_nCol + j);

			///设置按钮的图标
			pInnerButton->SetGif(pGifArray->GetAt(i*m_nCol+j));
			pInnerButton->ShowWindow(SW_SHOW);
			pInnerButton->PlayGif();
			///记录该按钮的指针
			m_InnerButtonArray.Add(pInnerButton);
		}
	}	

	return TRUE;
}

///失去焦点的时候关闭本窗口
void CIconContainer::OnKillFocus(CWnd* pNewWnd) 
{
	POINT pt;
	::GetCursorPos(&pt);	
	if(::IsChild(this->m_hWnd,::WindowFromPoint(pt)))
	{
		///此时焦点在小图片上面,所以不关闭本窗口
		return;
	}
	///用户没有选择任何图片而单击了其他地方
	Close();

}

void CIconContainer::OnPaint() 
{
	CPaintDC dc(this); 

	///准备工作
	RECT rect;
	this->GetClientRect(&rect);
	CPen BorderPen,*pOldPen,LinePen,VPen;
	LinePen.CreatePen(PS_SOLID,1,RGB(222,222,222));
	BorderPen.CreatePen(PS_SOLID,1,RGB(79,107,160));
	VPen.CreatePen(PS_SOLID,1,RGB(165,182,222));
	
	///画底色
	pOldPen=dc.SelectObject(&BorderPen);
	
	dc.Rectangle(&rect);
	
	dc.SelectObject(pOldPen);
	///画横线
	/**/
	dc.SelectObject(&LinePen);
	for(int i=1;i<m_nRow;i++)
	{
		dc.MoveTo(2,i*m_nCellHeight);
		dc.LineTo(rect.right-2,i*m_nCellHeight);
	}
	///画两条扩展功能横线
	dc.MoveTo(2,m_nRow*m_nCellHeight);
	dc.LineTo(rect.right-2,m_nRow*m_nCellHeight);
	dc.MoveTo(2,m_nRow*m_nCellHeight+24);
	dc.LineTo(rect.right-2,m_nRow*m_nCellHeight+24);

	//画纵线
	dc.SelectObject(&VPen);
	for(int j=1;j<m_nCol;j++)
	{
		dc.MoveTo(j*m_nCellWidth,2);
		dc.LineTo(j*m_nCellWidth,m_nRow*m_nCellHeight-2);
	}
}

////把用户选择的图片序号发送给父窗口CIconPicker,并关闭自己
void CIconContainer::Close(int index)
{
	this->ShowWindow(SW_HIDE);
	
	RECT rect;
	this->GetWindowRect(&rect);
	m_pParentButton->GetParent()->ScreenToClient(&rect);
	m_pParentButton->GetParent()->InvalidateRect(&rect);

	::SendMessage(m_pParentButton->GetSafeHwnd(), WM_USER + 101, index, 0);
}

BOOL CIconContainer::OnCommand(WPARAM wParam, LPARAM lParam) 
{
	if(LOWORD(wParam) - IDC_INNERBUTTON == -1)
	{
		////在这里响应"显示更多的图释"
	}
	if(LOWORD(wParam) - IDC_INNERBUTTON == -2)
	{
		////在这里响应"我的自定义图释"
		CFileDialog SelectFileDlg(TRUE,"bmp","noname",OFN_FILEMUSTEXIST,
			"Bitmap File(*.bmp)|*.bmp",m_pParentButton);
		if(SelectFileDlg.DoModal()==IDOK)
		{
			//((CIconPicker*)m_pParentButton)->AddBitmap(SelectFileDlg.GetPathName());
		}
	}
	///关闭本窗口
	Close(LOWORD(wParam) - IDC_INNERBUTTON);
	return TRUE;
}