SftDirectory 3.5 - ActiveX File/Folder Control

FullTreeView Sample (C++)

This sample illustrates implementing a multi-column, multi-selection treeview control with drag & drop, context menus, renaming files/folders, reordering columns.

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

// FullTreeViewDlg.cpp : implementation file
//

#include "stdafx.h"
#include "FullTreeView.h"
#include "FullTreeViewDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

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

// Dialog Data
    //{{AFX_DATA(CAboutDlg)
    enum { IDD = IDD_ABOUTBOX };
    //}}AFX_DATA

    // ClassWizard generated virtual function overrides
    //{{AFX_VIRTUAL(CAboutDlg)
    protected:
    virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
    //}}AFX_VIRTUAL

// Implementation
protected:
    //{{AFX_MSG(CAboutDlg)
    //}}AFX_MSG
    DECLARE_MESSAGE_MAP()
};

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

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

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
    //{{AFX_MSG_MAP(CAboutDlg)
        // No message handlers
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFullTreeViewDlg dialog

CFullTreeViewDlg::CFullTreeViewDlg(CWnd* pParent /*=NULL*/)
    : CDialog(CFullTreeViewDlg::IDD, pParent)
{
    //{{AFX_DATA_INIT(CFullTreeViewDlg)
        // NOTE: the ClassWizard will add member initialization here
    //}}AFX_DATA_INIT
    // Note that LoadIcon does not require a subsequent DestroyIcon in Win32
    m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CFullTreeViewDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
    //{{AFX_DATA_MAP(CFullTreeViewDlg)
    DDX_Control(pDX, IDC_ICONCTRL, m_IconCtrl);
    DDX_Control(pDX, IDC_BITMAP, m_BitmapCtrl);
    DDX_Control(pDX, IDC_INFOTIP, m_InfoTipCtrl);
    DDX_Control(pDX, IDC_SFTDIRECTORY1, m_Dir1);
    //}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CFullTreeViewDlg, CDialog)
    //{{AFX_MSG_MAP(CFullTreeViewDlg)
    ON_WM_SYSCOMMAND()
    ON_WM_PAINT()
    ON_WM_QUERYDRAGICON()
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFullTreeViewDlg message handlers

BOOL CFullTreeViewDlg::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

    ISftDirectoryPtr vDir1 = m_Dir1.GetControlUnknown();
    vDir1->putref_Font(NULL);

    return TRUE;  // return TRUE  unless you set the focus to a control
}

void CFullTreeViewDlg::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 CFullTreeViewDlg::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();
    }
}

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

void CFullTreeViewDlg::OnSelectionFinal_SftDirectory1()
{
    ISftDirectoryPtr vDir1 = m_Dir1.GetControlUnknown();
    ISftDirectoryFolderPtr currFolder = vDir1->CurrentFolder;
    if (currFolder != NULL) {
        currFolder->GetImage();
        m_InfoTipCtrl.SetWindowText(currFolder->InfoTip);
    } else {
        m_InfoTipCtrl.SetWindowText(_T(""));
    }
}

void CFullTreeViewDlg::OnFolderImageReady_SftDirectory1(LPDISPATCH Folder, LPDISPATCH Picture)
{
    ISftDirectoryPtr vDir1 = m_Dir1.GetControlUnknown();

    IPicturePtr pPicture = Picture;

    m_IconCtrl.ShowWindow(SW_HIDE);
    m_BitmapCtrl.ShowWindow(SW_HIDE);

    m_LastPic = Picture;
    if (m_LastPic != NULL) {
        short tp;
        HRESULT hr = m_LastPic->get_Type(&tp);
        ASSERT(SUCCEEDED(hr));
        if (tp == PICTYPE_BITMAP) {
            OLE_HANDLE hnd;
            HRESULT hr = m_LastPic->get_Handle(&hnd);
            ASSERT(SUCCEEDED(hr));
            m_BitmapCtrl.SetBitmap((HBITMAP) hnd);
            m_BitmapCtrl.ShowWindow(SW_SHOW);
        } else if (tp == PICTYPE_ICON) {
            OLE_HANDLE hnd;
            HRESULT hr = m_LastPic->get_Handle(&hnd);
            ASSERT(SUCCEEDED(hr));
            m_IconCtrl.SetIcon((HICON) hnd);
            m_IconCtrl.ShowWindow(SW_SHOW);
        }
    }
}

BEGIN_EVENTSINK_MAP(CFullTreeViewDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CFullTreeViewDlg)
    ON_EVENT(CFullTreeViewDlg, IDC_SFTDIRECTORY1, 23 /* SelectionFinal */, OnSelectionFinal_SftDirectory1, VTS_NONE)
    ON_EVENT(CFullTreeViewDlg, IDC_SFTDIRECTORY1, 10 /* FolderImageReady */, OnFolderImageReady_SftDirectory1, VTS_DISPATCH VTS_DISPATCH)
    //}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()