viewcsvdlg.cpp

Visual_C++[1].NET_Bible1 Visual_C++宝典书中的全部源码

// ViewCSVDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ViewCSV.h"
#include "ViewCSVDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	enum { IDD = IDD_ABOUTBOX };

	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support

// Implementation
protected:
	DECLARE_MESSAGE_MAP()
public:
  afx_msg void OnBnClickedOk();
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
  ON_BN_CLICKED(IDOK, OnBnClickedOk)
END_MESSAGE_MAP()


// CViewCSVDlg dialog



CViewCSVDlg::CViewCSVDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CViewCSVDlg::IDD, pParent)
    , m_strFileName(_T(""))
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CViewCSVDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
    DDX_Control(pDX, IDC_LIST1, m_lstFileContents);
    DDX_Text(pDX, IDC_STC_FILE_NAME, m_strFileName);
}

BEGIN_MESSAGE_MAP(CViewCSVDlg, CDialog)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
    ON_BN_CLICKED(IDOK, OnBnClickedOk)
    ON_BN_CLICKED(IDC_BUTTON1, OnBnClickedButton1)
END_MESSAGE_MAP()


// CViewCSVDlg message handlers

BOOL CViewCSVDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon

	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CViewCSVDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CViewCSVDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<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
	{
		CDialog::OnPaint();
	}
}

// The system calls this function to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CViewCSVDlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}

void CViewCSVDlg::OnBnClickedOk()
{
    CFileDialog dlg(true);
    if (IDOK == dlg.DoModal())
    {
        try
        {
            m_strFileName = dlg.GetPathName();
            UpdateData(FALSE);
    
            CCsvFile file(dlg.GetPathName());

            CCsvRecord* pCsvRecord;
            for (UINT uiRow = file.GetStartPosition();
			    CCsvFile::EndOfFile != uiRow;)
			{
                // get the actual record
				file.GetNextAssoc(uiRow, &pCsvRecord);
				if (pCsvRecord)
				{
                    InsertDataIntoListView(uiRow, *pCsvRecord);
                }
            }
        }
        catch(CFileException* pe)
        {
            pe->ReportError();
        }
    }
    SizeAllColumns();
}

void CViewCSVDlg::SizeAllColumns()
{
  CHeaderCtrl* pHeader = m_lstFileContents.GetHeaderCtrl();
  ASSERT(pHeader);
  if (pHeader)
  {
    // Turn off redraw until the columns have all
    // been resized
    m_lstFileContents.SetRedraw(FALSE);

    for (int iCurrCol = 0; 
        iCurrCol < pHeader->GetItemCount(); 
        iCurrCol++)
    {
      m_lstFileContents.SetColumnWidth(iCurrCol, LVSCW_AUTOSIZE);

      int nCurrWidth = m_lstFileContents.GetColumnWidth(iCurrCol);

      m_lstFileContents.SetColumnWidth(iCurrCol,
                                LVSCW_AUTOSIZE_USEHEADER);

      int nColHdrWidth = m_lstFileContents.GetColumnWidth(iCurrCol);

      m_lstFileContents.SetColumnWidth(iCurrCol, 
                          max(nCurrWidth, nColHdrWidth));
    }

    // Now that sizing is finished, turn redraw back on and 
    // invalidate so that the control is repainted
    m_lstFileContents.SetRedraw(TRUE);
    m_lstFileContents.Invalidate();
  }
}

void CViewCSVDlg::InsertDataIntoListView(UINT uiRow, CCsvRecord& csvRecord)
{
    // For each column in the passed record...
    for (int iCol = 0; iCol < csvRecord.GetNbrOfColumns(); iCol++)
    {
        // If this is the first row in the listview...    
        if (uiRow == 1)
        {
            // Create the listview columns.
            CString strColumnName;
            strColumnName.Format("Col %ld", iCol);
            m_lstFileContents.InsertColumn(iCol, strColumnName);
        }

        if (iCol == 0)
            m_lstFileContents.InsertItem(m_lstFileContents.GetItemCount(), 
                                            csvRecord.GetColumn(iCol));
        else
            m_lstFileContents.SetItemText(m_lstFileContents.GetItemCount()-1,
                                            iCol,csvRecord.GetColumn(iCol));
    }
}

void CAboutDlg::OnBnClickedOk()
{
  CWaitCursor wait;

  CString strUrl = "http://www.thecodechannel.com/redirect.asp?u=/&s=vcnb";
  if (32 >= (int)ShellExecute(NULL, "open", strUrl, NULL, NULL, SW_SHOWNORMAL))
  {
    AfxMessageBox("::ShellExecute failed to open this link!");
  }
}

void CViewCSVDlg::OnBnClickedButton1()
{
  CAboutDlg().DoModal();
}