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    // PreparentDlg.cpp : implementation file
// Download by http://www.NewXing.com

#include "stdafx.h"
#include "Print2.h"
#include "PreparentDlg.h"
#include "PreviewGotoDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CPreparentDlg dialog


CPreparentDlg::CPreparentDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CPreparentDlg::IDD, pParent)
{
	m_pPreviewDlg = NULL;
	m_OneCount = B5_ONELINE;
	m_NextCount = B5_OTHERLINE;
	m_nCount = 0;
	m_PosPage = 1;
	memset(&PrnInfo, 0, sizeof(PRNINFO));
	//{{AFX_DATA_INIT(CPreparentDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CPreparentDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPreparentDlg)
	DDX_Control(pDX, IDC_TL_LIST, m_lList);
	DDX_Control(pDX, IDC_TL_UP, m_sUp);
	DDX_Control(pDX, IDC_TL_DOWN, m_sDown);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CPreparentDlg, CDialog)
	//{{AFX_MSG_MAP(CPreparentDlg)
	ON_COMMAND(IDC_TBTN_EXIT, OnTbtnExit)
	ON_COMMAND(IDC_TBTN_FIRST, OnTbtnFirst)
	ON_COMMAND(IDC_TBTN_GOTO, OnTbtnGoto)
	ON_COMMAND(IDC_TBTN_LAST, OnTbtnLast)
	ON_COMMAND(IDC_TBTN_NEXT, OnTbtnNext)
	ON_COMMAND(IDC_TBTN_PREVIEW, OnTbtnPreview)
	ON_COMMAND(IDC_TBTN_PREVIOUS, OnTbtnPrevious)
	ON_WM_SIZE()
	ON_WM_PAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPreparentDlg message handlers
WNDPROC		CPreparentDlg::wpListProc = NULL;
HWND		CPreparentDlg::hPrvWnd = NULL;

LRESULT CALLBACK CPreparentDlg::ListProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
	POINT	pt;
	RECT	rc;
	switch(uMsg)
	{
	case WM_MOUSEWHEEL:
		::GetCursorPos(&pt);	
		if(!IsWindow(hPrvWnd))
			break;
		::GetWindowRect(hPrvWnd, &rc);
		if(::PtInRect(&rc, pt))
		{
			::SendMessage(hPrvWnd, WM_MOUSEWHEEL, wParam, lParam);
			return 0;
		}
		break;
	}
	return CallWindowProc(wpListProc, hwnd, uMsg, wParam, lParam);
}


BOOL CPreparentDlg::OnInitDialog() 
{
	if(m_nCount<=0)
	{
		EndDialog(FALSE);
		return FALSE;
	}
	CDialog::OnInitDialog();
	wpListProc = (WNDPROC)::SetWindowLong(m_lList.m_hWnd, GWL_WNDPROC, (LONG)ListProc);
	m_lList.MoveWindow(-1000, -1000, 10, 10, TRUE);

	//添加图标
	m_hIcon = ::LoadIcon(AfxGetApp()->m_hInstance, (LPCTSTR)IDI_ICON_PREVIEW);
	::SetClassLong(this->m_hWnd, GCL_HICON, (LONG)m_hIcon);
	ShowWindow(SW_MAXIMIZE);

	//添加工具条
	if (!m_wndtoolbar.CreateEx(this,TBSTYLE_FLAT,  WS_CHILD | WS_VISIBLE | CBRS_ALIGN_TOP | CBRS_GRIPPER | CBRS_TOOLTIPS ,
								CRect(4,4,0,0)) ||	!m_wndtoolbar.LoadToolBar(IDR_TOOLBAR))
	{
		MessageBox("创建工具栏失败!", "错误", MB_ICONSTOP);
		return FALSE;
	}


	m_wndtoolbar.ShowWindow(SW_SHOW);
	RepositionBars(AFX_IDW_CONTROLBAR_FIRST, AFX_IDW_CONTROLBAR_LAST, 0);	
	m_wndtoolbar.GetWindowRect(&m_TbRect);
	GetWindowRect(&rcClient);

	
	SendMessage(WM_SIZE, 0, 0);

	//创建子窗口
	m_pPreviewDlg = new CPreviewDlg;
	m_pPreviewDlg->Create(IDD_PREVIEW_DIALOG, this);
	m_pPreviewDlg->ShowWindow(SW_SHOW);
	CRect rcTemp;
	rcTemp.SetRect(rcClient.left, m_TbRect.Height()+2, rcClient.right, rcClient.bottom);
	m_pPreviewDlg->SetCallBackFun(pDrawInfo, PrnInfo);
	m_pPreviewDlg->MoveWindow(&rcTemp);
	hPrvWnd = m_pPreviewDlg->m_hWnd;

	//初始化时为第一页

	//初始时，向前、最前不可用
	m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_FIRST, FALSE); 
	m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_PREVIOUS, FALSE); 
	if(m_nCount <= m_OneCount)//总行数小于等于第一页行数，则向后、最后、转页不可用
	{
		m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_GOTO, FALSE); 
		m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_NEXT, FALSE); 
		m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_LAST, FALSE); 
	}
	else//总行数超过一页时，向后、最后、转页可用
	{
		m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_GOTO, TRUE); 
		m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_NEXT, TRUE); 
		m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_LAST, TRUE); 
	}

	return TRUE;
}

void CPreparentDlg::OnSize(UINT nType, int cx, int cy) 
{
	CDialog::OnSize(nType, cx, cy);
	
	GetClientRect(&rcClient);
	CRect rup;
	rup.left = 0;
	rup.top = 0;
	rup.bottom = 2;
	rup.right = rcClient.right;
	if(IsWindow(m_sUp.m_hWnd))
		m_sUp.MoveWindow(&rup);
	if(IsWindow(m_sDown.m_hWnd))
	{
		rup.top = m_TbRect.Height();
		rup.bottom = rup.top+2;	
		m_sDown.MoveWindow(&rup);
	}
	if(m_pPreviewDlg != NULL)
	{
		if(IsWindow(m_pPreviewDlg->m_hWnd))
		{
			CRect rcTemp;
			rcTemp.SetRect(rcClient.left, m_TbRect.Height()+2, rcClient.right, rcClient.bottom);
			m_pPreviewDlg->MoveWindow(&rcTemp);
		}
	}
	
}

BOOL CPreparentDlg::OnCommand(WPARAM wParam, LPARAM lParam) 
{
	// TODO: Add your specialized code here and/or call the base class
	
	return CDialog::OnCommand(wParam, lParam);
}

void CPreparentDlg::OnPaint() 
{
		CPaintDC dc(this); // device context for painting
		
	if (IsIconic())
	{
		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CRect rect; 
		GetClientRect(rect); 
		dc.FillSolidRect(rect, RGB(60,70,120)); 
		CDialog::OnPaint();
	}
}


void CPreparentDlg::SetCallBackFun(PRINTPREVIEW pFun, PRNINFO sPrnInfo)
{
	memcpy(&PrnInfo, &sPrnInfo, sizeof(PRNINFO));
	pDrawInfo = pFun;
	m_nCount = PrnInfo.nMaxLine;

	m_nCountPage = 1;
	int m = m_nCount-m_OneCount;
	int n = m/m_NextCount;
	m_nCountPage += n;
	n = m%m_NextCount;
	if(n>0)
		m_nCountPage++;
	PrnInfo.nCountPage = m_nCountPage;

}

void CPreparentDlg::OnTbtnExit() 
{
	// TODO: Add your command handler code here
	SendMessage(WM_SYSCOMMAND, SC_CLOSE, NULL);	
}

void CPreparentDlg::OnTbtnFirst() 
{
	// TODO: Add your command handler code here
	m_PosPage = 1;
	m_pPreviewDlg->SetCurrentPage(m_nCountPage, m_PosPage);

	m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_FIRST, FALSE); 
	m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_PREVIOUS, FALSE); 
	m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_NEXT, TRUE); 
	m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_LAST, TRUE); 
	UpdatePreViewWnd();	
}

void CPreparentDlg::OnTbtnGoto() 
{
	// TODO: Add your command handler code here
	int nPage = 1;
	int m = m_nCount-m_OneCount;
	int n = m/m_NextCount;
	nPage += n;
	n = m%m_NextCount;
	if(n>0)
		nPage++;
	CPreviewGotoDlg cpg;
	cpg.m_nMax = nPage;
	cpg.m_nCurrentPage = m_PosPage;
	if(cpg.DoModal())
	{
		m_PosPage = cpg.m_nGotoPage;
		m_pPreviewDlg->SetCurrentPage(m_nCountPage, m_PosPage);
		if(m_PosPage > 1 && m_PosPage< m_nCountPage)
		{
			m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_FIRST, TRUE); 
			m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_PREVIOUS, TRUE); 
			m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_NEXT, TRUE); 
			m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_LAST, TRUE); 
		}
		if(m_PosPage == 1)
			OnTbtnFirst();
		if(m_PosPage == m_nCountPage)
			OnTbtnLast();
	}

	UpdatePreViewWnd();	
}

void CPreparentDlg::OnTbtnLast() 
{
	// TODO: Add your command handler code here
	m_PosPage = m_nCountPage;
	m_pPreviewDlg->SetCurrentPage(m_nCountPage, m_PosPage);

	m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_FIRST, TRUE); 
	m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_PREVIOUS, TRUE); 
	m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_NEXT, FALSE); 
	m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_LAST, FALSE); 
	UpdatePreViewWnd();	
}

void CPreparentDlg::OnTbtnNext() 
{
	// TODO: Add your command handler code here
	m_PosPage++;
	m_pPreviewDlg->SetCurrentPage(m_nCountPage, m_PosPage);

	int nSpare = 0;
	nSpare = m_nCount - m_PosPage*m_NextCount;
	if(m_PosPage <= 2)
		nSpare +=(m_NextCount - m_OneCount);

	m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_FIRST, TRUE); 
	m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_PREVIOUS, TRUE); 

	if(nSpare>0)
	{
		m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_NEXT, TRUE); 
		m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_LAST, TRUE); 
	}
	else
	{
		m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_NEXT, FALSE); 
		m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_LAST, FALSE); 
	}	
	UpdatePreViewWnd();	
}

void CPreparentDlg::OnTbtnPreview() 
{
	// TODO: Add your command handler code here
	m_pPreviewDlg->PrintDoc();	
}

void CPreparentDlg::OnTbtnPrevious() 
{
	// TODO: Add your command handler code here
	m_PosPage--;
	m_pPreviewDlg->SetCurrentPage(m_nCountPage, m_PosPage);
	if(m_PosPage<=1)
	{
		m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_FIRST, FALSE); 
		m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_PREVIOUS, FALSE); 
		m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_NEXT, TRUE); 
		m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_LAST, TRUE); 
	}
	else
	{
		m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_FIRST, TRUE); 
		m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_PREVIOUS, TRUE); 
		m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_NEXT, TRUE); 
		m_wndtoolbar.SendMessage(TB_ENABLEBUTTON, IDC_TBTN_LAST, TRUE); 
	}	
	UpdatePreViewWnd();	
}



void CPreparentDlg::UpdatePreViewWnd()
{
	m_pPreviewDlg->SendMessage(WM_PAINT, NULL, NULL);
}

BOOL CPreparentDlg::DestroyWindow() 
{
	// TODO: Add your specialized code here and/or call the base class
	if(IsWindow(m_wndtoolbar.m_hWnd))
		m_wndtoolbar.DestroyWindow();
	if(m_pPreviewDlg != NULL)
	{
		m_pPreviewDlg->DestroyWindow();
		delete	m_pPreviewDlg;
	}	

	return CDialog::DestroyWindow();
}