VERSION 1.0 CLASS
BEGIN
  MultiUse = -1  'True
END
Attribute VB_Name = "ImportManager"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
Option Explicit

Private out_ As Visio.Page
Private inLaws_ As Excel.Worksheet
Private inLinks_ As Excel.Worksheet
Private params_ As ItemImportOptions
Private layout_ As LayoutManager

Public nLaws_ As Long
Public nLinks_ As Long

Public Function Init(iSource As Excel.Workbook, iDestination As Visio.Page, iUserInput As ItemImportOptions)
  nLaws_ = 0
  nLinks_ = 0
  Set out_ = iDestination
  Set inLaws_ = iSource.Sheets(1)
  Set inLinks_ = iSource.Sheets(2)
  Set params_ = iUserInput
  
  Set layout_ = New LayoutManager
  Call layout_.Init(iDestination, iUserInput)
End Function

Public Function GenerateSchema() As Boolean
  Call CSE_ProgressBar.Init("Загрузка данных", "Добавление документов...", maxVal:=CDbl(inLaws_.UsedRange.Rows.Count))
  Call CSE_ProgressBar.ShowModeless
  
  nLaws_ = XLLoadDocuments()
  
  If params_.links_ Then
    Call CSE_ProgressBar.Init(CSE_ProgressBar.Title, "Загрузка связей...", maxVal:=CDbl(inLinks_.UsedRange.Rows.Count))
    nLinks_ = XLLoadLinks()
  End If
  
  Call Unload(CSE_ProgressBar)
End Function

' =================
Private Function XLLoadDocuments() As Long
  Dim newShape As Visio.Shape
  Dim nRow&: nRow = XL_FIRST_LINE
  Do While inLaws_.Cells(nRow, DS_ID) <> vbNullString
    Set newShape = layout_.AddNewShape(inLaws_.Cells(nRow, DS_LEVEL))
    With newShape
      .Name = "N" & inLaws_.Cells(nRow, DS_ID)
      .Text = TrimDocTitle(inLaws_.Cells(nRow, DS_TITLE))
    End With
    
    Call CSE_ProgressBar.IncrementA
    nRow = nRow + 1
  Loop
  XLLoadDocuments = nRow - XL_FIRST_LINE
End Function

Private Function XLLoadLinks() As Long
  Dim nRow&: nRow = XL_FIRST_LINE
  Dim newShape As Visio.Shape
  Do While inLinks_.Cells(nRow, LS_SOURCE) <> vbNullString
    Dim sSource$: sSource = "N" & inLinks_.Cells(nRow, LS_SOURCE)
    Dim sDest$: sDest = "N" & inLinks_.Cells(nRow, LS_TARGET)
    
    Dim iSource As Visio.Shape: Set iSource = out_.Shapes(sSource)
    Dim iDestination As Visio.Shape: Set iDestination = out_.Shapes(sDest)
    
    Set newShape = out_.Drop(FindMaster(ThisDocument, MASTER_CONNECTOR), 0, 0)
    With newShape
      .CellsU(CELLSU_LNKTYPE) = inLinks_.Cells(nRow, LS_TYPE)
      Call .CellsU("BeginX").GlueTo(iSource.CellsU("PinX"))
      Call .CellsU("EndX").GlueTo(iDestination.CellsU("PinX"))
    End With
    
    Call CSE_ProgressBar.IncrementA
    nRow = nRow + 1
  Loop
  XLLoadLinks = nRow - XL_FIRST_LINE
End Function

Private Function TrimDocTitle(sTitle$) As String
  Dim sTxt$: sTxt = sTitle
  If VBA.Len(sTxt) >= MAX_TITLE_LEN Then
    sTxt = VBA.Left(sTxt, MAX_TITLE_LEN)
    sTxt = VBA.StrReverse(sTxt)
    sTxt = VBA.Mid(sTxt, VBA.InStr(sTxt, " ") + 1)
    sTxt = VBA.StrReverse(sTxt) & " ..."
  End If
  TrimDocTitle = sTxt
End Function