Option Explicit

Private Const BIF_STATUSTEXT = &H4&
Private Const BIF_RETURNONLYFSDIRS = 1
Private Const BIF_DONTGOBELOWDOMAIN = 2
Private Const MAX_PATH = 260

Private Const WM_USER = &H400
Private Const BFFM_INITIALIZED = 1
Private Const BFFM_SELCHANGED = 2
Private Const BFFM_SETSTATUSTEXT = (WM_USER + 100)
Private Const BFFM_SETSELECTION = (WM_USER + 102)

Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hWnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As String) As Long
Private Declare Function SHBrowseForFolder Lib "Shell32" (lpbi As BrowseInfo) As Long
Private Declare Function SHGetPathFromIDList Lib "Shell32" (ByVal pidList As Long, ByVal lpBuffer As String) As Long
Private Declare Function lstrcat Lib "kernel32" Alias "lstrcatA" (ByVal lpString1 As String, ByVal lpString2 As String) As Long
Private Declare Function GetTempPath Lib "kernel32" Alias "GetTempPathA" (ByVal nBufferLength As Long, ByVal lpBuffer As String) As Long
Private Type BrowseInfo
  hWndOwner      As Long
  pIDLRoot       As Long
  pszDisplayName As Long
  lpszTitle      As Long
  ulFlags	As Long
  lpfnCallback   As Long
  lParam	 As Long
  iImage	 As Long
End Type

Private m_CurrentDirectory As String   'The current directory
Dim fso As New Scripting.FileSystemObject
Dim objShell As New Shell
Dim objFolderItem As FolderItems
Dim temppath As String ' receives name of temporary file path

Private Function BrowseForFolder(owner As Form, Title As String, StartDir As String) As String
  'Opens a Treeview control that displays the directories in a computer

  Dim lpIDList As Long
  Dim szTitle As String
  Dim sBuffer As String
  Dim tBrowseInfo As BrowseInfo
  m_CurrentDirectory = StartDir & vbNullChar

  szTitle = Title
  With tBrowseInfo
    .hWndOwner = owner.hWnd
    .lpszTitle = lstrcat(szTitle, "")
    .ulFlags = BIF_RETURNONLYFSDIRS + BIF_DONTGOBELOWDOMAIN + BIF_STATUSTEXT
    .lpfnCallback = GetAddressofFunction(AddressOf BrowseCallbackProc)  'get address of function.
  End With

  lpIDList = SHBrowseForFolder(tBrowseInfo)
  If (lpIDList) Then
    sBuffer = Space(MAX_PATH)
    SHGetPathFromIDList lpIDList, sBuffer
    sBuffer = Left(sBuffer, InStr(sBuffer, vbNullChar) - 1)
    BrowseForFolder = sBuffer
  Else
    BrowseForFolder = ""
  End If
  
End Function
 
Private Function BrowseCallbackProc(ByVal hWnd As Long, ByVal uMsg As Long, ByVal lp As Long, ByVal pData As Long) As Long
  
  Dim lpIDList As Long
  Dim ret As Long
  Dim sBuffer As String
  
  On Error Resume Next  'Sugested by MS to prevent an error from
			'propagating back into the calling process.
     
  Select Case uMsg
  
    Case BFFM_INITIALIZED
      Call SendMessage(hWnd, BFFM_SETSELECTION, 1, m_CurrentDirectory)
      
    Case BFFM_SELCHANGED
      sBuffer = Space(MAX_PATH)
      
      ret = SHGetPathFromIDList(lp, sBuffer)
      If ret = 1 Then
	Call SendMessage(hWnd, BFFM_SETSTATUSTEXT, 0, sBuffer)
      End If
      
  End Select
  
  BrowseCallbackProc = 0
  
End Function

' This function allows you to assign a function pointer to a vaiable.
Private Function GetAddressofFunction(add As Long) As Long
  GetAddressofFunction = add
End Function

Private Sub UnZip(ByVal myZipFile, ByVal myTargetDir)
    Set objFolderItem = objShell.NameSpace(myZipFile).Items()
    objShell.NameSpace(myTargetDir).CopyHere objFolderItem, 256
End Sub

Private Sub TreeUnzip(ByVal sPath As String, ByVal sFileSpec As String)
	Dim sDir As String
	Dim sSubDirs() As String
	Dim Index As Integer
      If Right(sPath, 1) <> "\" Then
	   sPath = sPath & "\"
      End If
      sDir = Dir(sPath & sFileSpec)
      Do While Len(sDir)
	    sDir = Dir
	    UnZip sDir, temppath
      Loop
      Index = 0
      sDir = Dir(sPath & "*.*", 16)
      Do While Len(sDir)
	    If Left(sDir, 1) <> "." Then
		  If GetAttr(sPath & sDir) And vbDirectory Then
			Index = Index + 1
			ReDim Preserve sSubDirs(1 To Index)
			sSubDirs(Index) = sPath & sDir & "\"
		  End If
	    End If
      sDir = Dir
      Loop
      For Index = 1 To Index
	    TreeSearch sSubDirs(Index), sFileSpec
      Next Index
End Sub

Private Sub TreeLoadFile(ByVal sPath As String, ByVal sFileSpec As String)
	Dim sDir As String
	Dim sSubDirs() As String
	Dim Index As Integer
      If Right(sPath, 1) <> "\" Then
	   sPath = sPath & "\"
      End If
      sDir = Dir(sPath & sFileSpec)
      Do While Len(sDir)
	    sDir = Dir
	    DoCmd.TransferSpreadsheet acImport, acExportDelim, "TableData", sDir, True
      Loop
      Index = 0
      sDir = Dir(sPath & "*.*", 16)
      Do While Len(sDir)
	    If Left(sDir, 1) <> "." Then
		  If GetAttr(sPath & sDir) And vbDirectory Then
			Index = Index + 1
			ReDim Preserve sSubDirs(1 To Index)
			sSubDirs(Index) = sPath & sDir & "\"
		  End If
	    End If
      sDir = Dir
      Loop
      For Index = 1 To Index
	    TreeLoadFile sSubDirs(Index), sFileSpec
      Next Index
End Sub

'Microsoft Scripting Runtime
'Microsoft Shell Controls And Automation

Private Sub BrowseCmd_Click()
Dim getdir As String
getdir = BrowseForFolder(Me, "Select A Directory", Text1.Text)
If Len(getdir) = 0 Then
	Exit Sub  'user selected cancel
End If
FilePathTxt.SetFocus
FilePathTxt.Locked = False
FilePathTxt.Text = getdir
FilePathTxt.Locked = True
End Sub

Private Sub UploadCmd_Click()
FilePathTxt.SetFocus
If FilePathTxt.Text <> "" Then
	Dim slength As Long ' receives length of string returned for the path
	Dim lastfour As Long ' receives hex value of the randomly assigned ????

	' Get Windows's temporary file path
	temppath = Space(255) ' initialize the buffer to receive the path
	slength = GetTempPath(255, temppath) ' read the path name
	temppath = Left(temppath, slength) ' extract data from the variable
	temppath = temppath & "\choise"
	If Not fso.FolderExists(temppath) Then
		fso.CreateFolder (temppath)
	End If
	TreeUnzip getdir, "*.zip"
	TreeLoadFile getdir, "*.csv"
	FilePathTxt.Locked = False
	FilePathTxt.Text = ""
	FilePathTxt.Locked = True
End If
End Sub