SftDirectory 3.5 - ActiveX File/Folder Control

PrintPreview Sample (C++)

This sample illustrates SftDirectory and SftPrintPreview/OCX to print and preview file/folder listings.

The source code is located at C:\Program Files (x86)\Softelvdm\SftDirectory 3.5\Samples\VC++\PrintPreview\PrintPreviewDlg.cpp or C:\Program Files\Softelvdm\SftDirectory 3.5\Samples\VC++\PrintPreview\PrintPreviewDlg.cpp (on 32-bit Windows versions).

// PrintPreviewDlg.cpp : implementation file
//

#include "stdafx.h"
#include "PrintPreview.h"
#include "PrintPreviewDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CPrintPreviewDlg dialog

CPrintPreviewDlg::CPrintPreviewDlg(CWnd* pParent /*=NULL*/)
    : CDialog(CPrintPreviewDlg::IDD, pParent)
{
    //{{AFX_DATA_INIT(CPrintPreviewDlg)
        // NOTE: the ClassWizard will add member initialization here
    //}}AFX_DATA_INIT
    m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
    m_Menu.LoadMenu(IDR_MENU1);
}

void CPrintPreviewDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
    //{{AFX_DATA_MAP(CPrintPreviewDlg)
    DDX_Control(pDX, IDC_SFTDIRECTORY1, m_Dir1);
    DDX_Control(pDX, IDC_SFTPRINTPREVIEW1, m_Preview1);
    //}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CPrintPreviewDlg, CDialog)
    //{{AFX_MSG_MAP(CPrintPreviewDlg)
    ON_WM_PAINT()
    ON_WM_QUERYDRAGICON()
    ON_WM_SIZE()
    ON_COMMAND(IDM_DIRECTORY, OnDirectory)
    ON_COMMAND(IDM_PREVIEW, OnPreview)
    ON_COMMAND(IDM_EXIT, OnExit)
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPrintPreviewDlg message handlers

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

    SetIcon(m_hIcon, TRUE);            // Set big icon
    SetIcon(m_hIcon, FALSE);        // Set small icon

    SetMenu(&m_Menu);
    
    m_vDir1 = m_Dir1.GetControlUnknown();
    _ASSERT(m_vDir1 != NULL);
    m_vPreview1 = m_Preview1.GetControlUnknown();
    _ASSERT(m_vPreview1 != NULL);

    // Connect the directory control to the print preview control
    m_vPreview1->ContentProvider = m_vDir1->Window;
    // display directory
    ShowDirectory();
    m_vPreview1->ZoomFactor = 100;

    Resize(); // resize directory and preview window to fill entire window
    ShowWindow(SW_MAXIMIZE);
    
    return TRUE;  // return TRUE  unless you set the focus to a control
}

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

        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
    {
        CDialog::OnPaint();
    }
}

HCURSOR CPrintPreviewDlg::OnQueryDragIcon()
{
    return (HCURSOR) m_hIcon;
}

void CPrintPreviewDlg::Resize()
{
    CRect rect;
    GetClientRect(&rect);
    
    // resize directory and preview window to full size
    // (only one is actually visible)
    if (IsWindow(m_Dir1))
        m_Dir1.MoveWindow(rect);
    if (IsWindow(m_Preview1))
        m_Preview1.MoveWindow(rect);
}

void CPrintPreviewDlg::OnSize(UINT nType, int cx, int cy) 
{
    CDialog::OnSize(nType, cx, cy);
    Resize();
}

void CPrintPreviewDlg::ShowDirectory()
{
    // Disable & hide the print preview control
    m_Preview1.EnableWindow(FALSE);
    m_Preview1.ShowWindow(SW_HIDE);
    // Show the SftDirectory control
    m_Dir1.EnableWindow();
    m_Dir1.ShowWindow(SW_SHOW);
    m_Dir1.SetFocus();
}

void CPrintPreviewDlg::ShowPreview()
{
    // Disable & hide the SftDirectory control
    m_Dir1.EnableWindow(FALSE);
    m_Dir1.ShowWindow(SW_HIDE);
    // Show the print preview control
    m_Preview1.EnableWindow();
    m_Preview1.ShowWindow(SW_SHOW);
    m_Preview1.SetFocus();
}

void CPrintPreviewDlg::OnDirectory() 
{
    ShowDirectory();
}

void CPrintPreviewDlg::OnPreview() 
{
    ShowPreview();
}

void CPrintPreviewDlg::OnExit() 
{
    OnCancel();
}

void CPrintPreviewDlg::OnPageSetupWantedSftPrintPreview1() 
{
    m_vPreview1->PageSetup(0);
}

void CPrintPreviewDlg::OnHelpWantedSftPrintPreview1(LPCTSTR HelpName) 
{
    MessageBox(_T("Sorry, this sample doesn't offer a help file"));
}

void CPrintPreviewDlg::OnCloseWantedSftPrintPreview1() 
{
    ShowDirectory();
}

BEGIN_EVENTSINK_MAP(CPrintPreviewDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CPrintPreviewDlg)
    ON_EVENT(CPrintPreviewDlg, IDC_SFTPRINTPREVIEW1, 7 /* PageSetupWanted */, OnPageSetupWantedSftPrintPreview1, VTS_NONE)
    ON_EVENT(CPrintPreviewDlg, IDC_SFTPRINTPREVIEW1, 6 /* HelpWanted */, OnHelpWantedSftPrintPreview1, VTS_BSTR)
    ON_EVENT(CPrintPreviewDlg, IDC_SFTPRINTPREVIEW1, 8 /* CloseWanted */, OnCloseWantedSftPrintPreview1, VTS_NONE)
    //}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()