cpreferences.cls

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VERSION 1.0 CLASS
BEGIN
  MultiUse = -1  'True
  Persistable = 0  'NotPersistable
  DataBindingBehavior = 0  'vbNone
  DataSourceBehavior  = 0  'vbNone
  MTSTransactionMode  = 0  'NotAnMTSObject
END
Attribute VB_Name = "CPreferences"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = True
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
Attribute VB_Ext_KEY = "SavedWithClassBuilder" ,"Yes"
Attribute VB_Ext_KEY = "Top_Level" ,"Yes"
Attribute VB_Ext_KEY = "SavedWithClassBuilder6" ,"Yes"
' DataMonkey Data Conversion Application. Written by Theodore L. Ward
' Copyright (C) 2002 AstroComma Incorporated.
'
' This program is free software; you can redistribute it and/or
' modify it under the terms of the GNU General Public License
' as published by the Free Software Foundation; either version 2
' of the License, or (at your option) any later version.
'
' This program is distributed in the hope that it will be useful,
' but WITHOUT ANY WARRANTY; without even the implied warranty of
' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
' GNU General Public License for more details.
'
' You should have received a copy of the GNU General Public License
' along with this program; if not, write to the Free Software
' Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
' The author may be contacted at:
' [e-mail] or [e-mail]

Option Explicit

Private mCol As New Collection

Public Function GetPreference(PrefName As String) As Variant
    On Error Resume Next
    GetPreference = ""
    GetPreference = mCol(PrefName)
End Function

Public Sub SetPreference(PrefName As String, PrefVal As Variant)
    On Error Resume Next
    Dim newItem As CPreferenceItem

    Set newItem = mCol(PrefName)
    If newItem Is Nothing Then
        Set newItem = New CPreferenceItem
        mCol.Add item:=PrefVal, key:=PrefName
    End If

    newItem.name = PrefName
    newItem.value = PrefVal
    Set newItem = Nothing

End Sub

Public Sub DeletePreference(PrefName As String)
    On Error Resume Next
    mCol.Remove PrefName
End Sub

Public Function Load(arc As CArchive) As Boolean

    On Error GoTo eHandler
    
    Load = False
    Dim item As String, value As Variant, retVal As ArcRetType
    
    ' Get and process the next line from the input file.
    Do
        retVal = arc.GetNextItem(item, value)
        
        ' Error, log it, then exit with error.
        If retVal = ArcRetType.cERROR Then
            arc.AddError
            GoTo done
            
        ' We are done with this object, leave.
        ElseIf retVal = ArcRetType.cENDITEM Then
            Exit Do
        End If
        
        If Len(item) = 0 Then
            arc.AddError
        ElseIf retVal <> cBEGINITEM Then
            ' Add a new preference
            SetPreference item, value
        End If

    Loop While Not retVal = cENDOFFILE
    
    Load = True
done:
    Exit Function
    
eHandler:
    LogError "CPreferences", "Load", Error(Err), False
End Function

Public Function Save(arc As CArchive) As Boolean
    
    On Error GoTo eHandler
    Dim item As CPreferenceItem
    Save = False

    arc.SaveItem aiBEGINPREFERENCES, "Application Preferences"
    
    For Each item In mCol
        arc.SaveItem aiVALUE, item.name, item.value
    Next item
    
    arc.SaveItem aiENDITEM, "Application Preferences"

terminate:
    Save = True
    Exit Function
    
eHandler:
    LogError "CPreferences", "Save", Error(Err), False
    Exit Function

End Function