"Browse For Folder" dialog alike with source

// BFFTreeCtrl.cpp : implementation file
//
// Written by Marat Bedretdinov (maratb@hotmail.com)
// Copyright (c) 2000.
//
// This code may be used in compiled form in any way you desire. This
// file may be redistributed unmodified by any means PROVIDING it is 
// not sold for profit without the authors written consent, and 
// providing that this notice and the authors name is included. 
//
// This file is provided "as is" with no expressed or implied warranty.
// The author accepts no liability if it causes any damage whatsoever.
// It's free - so you get what you pay for.//


#include "stdafx.h"
#include "exports.h"

#include "BFFTreeCtrl.h"

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

/////////////////////////////////////////////////////////////////////////////
// CBFFTreeCtrl

CBFFTreeCtrl::CBFFTreeCtrl():
  m_pFullIdl(0),
  m_pRelativeIdl(0)
{
}

CBFFTreeCtrl::~CBFFTreeCtrl()
{
  SHFree(m_pFullIdl);
  SHFree(m_pRelativeIdl);
}


BEGIN_MESSAGE_MAP(CBFFTreeCtrl, CFileTreeCtrl)
	//{{AFX_MSG_MAP(CBFFTreeCtrl)
	ON_WM_LBUTTONDOWN()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()


void CBFFTreeCtrl::SaveSelectedInfo()
{
  SHFree(m_pFullIdl);
  SHFree(m_pRelativeIdl);
 // remember the selected item's full and relative pidl first
  m_pFullIdl = SHCopyIdl(GetSelectedFullIdl());
  m_pRelativeIdl = SHCopyIdl(GetSelectedRelativeIdl());
}

////////////////////////////////////////////////////////////////////
// returns a copy of selected full qulified idl
////////////////////////////////////////////////////////////////////

LPITEMIDLIST CBFFTreeCtrl::GetTreeSelectedFullIdl()
{
// if the dialog has been visually destroyed
  if (!GetSafeHwnd())
	return SHCopyIdl(m_pFullIdl);
// otherwise get it from the tree control
  return SHCopyIdl(GetSelectedFullIdl());
}

////////////////////////////////////////////////////////////////////
// returns a copy of selected relative idl
////////////////////////////////////////////////////////////////////

LPITEMIDLIST CBFFTreeCtrl::GetTreeSelectedRelativeIdl()
{
// if the dialog has been visually destroyed
  if (!GetSafeHwnd())
	return SHCopyIdl(m_pRelativeIdl);
// otherwise get it from the tree control
  return SHCopyIdl(GetSelectedRelativeIdl());
}

const char*	CBFFTreeCtrl::GetSelectedPath() const
{
  return m_strPath;
}

const char*	CBFFTreeCtrl::GetSelectedName() const
{
  return m_strName;
}

void CBFFTreeCtrl::DisplaySelectedPath() 
{
  HTREEITEM hClickedItem = GetSelectedItem();
  ITreeNode* pNode = (ITreeNode*)GetItemData(hClickedItem);
  if (!pNode->IsSystemDirectory()) return;
  m_strPath = pNode->GetPath();
  m_strName = pNode->GetName();
  GetParent()->SetDlgItemText(IDED_PATH, m_strPath);
}

/////////////////////////////////////////////////////////////////////////////
// CBFFTreeCtrl message handlers

void CBFFTreeCtrl::OnLButtonDown(UINT nFlags, CPoint point) 
{
  CFileTreeCtrl::OnLButtonDown(nFlags, point);
  DisplaySelectedPath();
}