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Descending Arrays

Posted on 2007-11-28
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Last Modified: 2010-04-21
I am using this code to populate a matrix. All was working well until they decided that they needed to specify the labels as descending or ascending. Example:
    1    2   3   4   5
A
B
C
D
E

might need to be
   5   4   3  2  1
E
D
C
B
A

easy enough, except the row and column count is not always the same. i thoguht i had this code right, but it is throwing me an error (subscript out of range). i've been looking at it too long, i need some help before my head explodes.

-a


Function PopulateMatrix()
 
Dim aRoman, aRomanD, aAlpha, aAlphaD, aNumD, aPS, aRC
 
'Define arrays
aRoman = Array("I", "II", "III", "IV", "V", "VI")
aRomanD = Array("VI", "V", "IV", "III", "II", "I")
aAlpha = Array("A", "B", "C", "D", "E", "F")
aAlphaD = Array("F", "E", "D", "C", "B", "A")
aNumD = Array(6, 5, 4, 3, 2, 1)
aPS = Array("Prob", "Sev")
aRC = Array("Row", "Col")
    
    'Prevent user from selecting Roman Numerals for both axis
    If Me.Controls("frm" & aPS(0) & "Format") = 1 Then 'Roman Numerals
        If Me.Controls("frm" & aPS(1) & "Format") = 1 Then 'Roman Numerals
        MsgBox "You cannot use Roman Numerals for both Severity and Probability", _
                    vbOKOnly
        Me.Controls("frm" & aPS(0) & "Format") = 3
        End If
    End If
 
'Changes captions to array values correlated with user selection
For j = 0 To 1
    For i = 1 To 6
        Select Case Me.Controls("frm" & Trim(CStr(aPS(j))) & "Format")
            Case Is = 1
                Select Case Me.Controls("frmOrder" & j)
                    Case Is = 1: Me.Controls("lbl" & aPS(j) & i).Caption = aRoman(i - 1)
                    Case Is = 2: Me.Controls("lbl" & aPS(j) & i).Caption = _
                        aRomanD((i - 1) + (6 - Me.Controls("cmb" & aRC(j) & "Qty").Value))
                End Select
            Case Is = 2
                Select Case Me.Controls("frmOrder" & j)
                    Case Is = 1: Me.Controls("lbl" & aPS(j) & i).Caption = i
                    Case Is = 2: Me.Controls("lbl" & aPS(j) & i).Caption = _
                        aNumD((i - 1) + (6 - Me.Controls("cmb" & aRC(j) & "Qty").Value))
                End Select
            Case Is = 3
                Select Case Me.Controls("frmOrder" & j)
                    Case Is = 1: Me.Controls("lbl" & aPS(j) & i).Caption = aAlpha(i - 1)
                    Case Is = 2: Me.Controls("lbl" & aPS(j) & i).Caption = _
                        aAlphaD((i - 1) + (6 - Me.Controls("cmb" & aRC(j) & "Qty").Value))
                End Select
        End Select
    Next
Next
 
'Changes matrix values to concatenation of x & y axis labels
    For i = 1 To 6
      For j = 1 To 6
        Me.Controls("txtP" & i & "s" & j) = Me.Controls("lblSev" & i).Caption & _
                Me.Controls("lblProb" & j).Caption
       Next
    Next
 
End Function

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Question by:adraughn
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6 Comments
 
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Author Comment

by:adraughn
ID: 20368129
c'mon dwyer, where are you when i need you?
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Accepted Solution

by:
aesmike earned 500 total points
ID: 20371836
I hate it when my head explodes....
Ok, not sure this will work 'cause I don't have your app.  I rewrote it a little bit differently but same effect.
Private Sub PopulateMatrix()
    Dim aRoman, aAlpha, aNumeric
    Dim aArrayToUse
    
    Dim aPS, aRC
    Dim iStart, iStop, iDir
    Dim j, i, c
    Dim iMatrixDimension
    
    Const MaxElements = 6
    
    
    
    aPS = Array("Prob", "Sev")
    aRC = Array("Row", "Col")
    
    aRoman = Array("I", "II", "III", "IV", "V", "VI")
    aAlpha = Array("A", "B", "C", "D", "E", "F")
    aNumeric = Array("1", "2", "3", "4", "5", "6")
    
    'Prevent user from selecting Roman Numerals for both axis
    If Me.Controls("frm" & aPS(0) & "Format") = 1 Then 'Roman Numerals
        If Me.Controls("frm" & aPS(1) & "Format") = 1 Then 'Roman Numerals
        MsgBox "You cannot use Roman Numerals for both Severity and Probability", _
                    vbOKOnly
        Me.Controls("frm" & aPS(0) & "Format") = 3
        End If
    End If
    
    
    'first clear out all the columns/row labels
    For j = 0 To 1
        For c = 1 To MaxElements
            Me.Controls("lbl" & CStr(aPS(j)) & c).Caption = ""
        Next
    Next
    
    
    'loop through both dimensions (row/col)
    For j = 0 To 1
        'pick the array of labels we want to use
        Select Case Me.Controls("frm" & Trim(CStr(aPS(j))) & "Format")
            Case 1
                aArrayToUse = aRoman
            Case 2
                aArrayToUse = aNumeric
            Case 3
                aArrayToUse = aAlpha
        End Select
        
        'determine the positions within the array we want to use
        iMatrixDimension = Val(Nz(Me.Controls("cmb" & aRC(j) & "Qty")))
        iDir = IIf(Me.Controls("frmOrder" & j) = 1, 1, -1)  'this is the direction to go: -1 means descending, +1 means ascending
        iStart = IIf(iDir = 1, 0, iMatrixDimension - 1)
        iStop = iStart + ((iMatrixDimension - 1) * iDir)
        
        'now loop through array and set the captions
        c = 0 'c is a counter that points to the column or row we are setting
        For i = iStart To iStop Step iDir
            c = c + 1
            Me.Controls("lbl" & Trim(CStr(aPS(j))) & c).Caption = aArrayToUse(i)
        Next
            
    Next
    
    'Changes matrix values to concatenation of x & y axis labels
    For i = 1 To 6
      For j = 1 To 6
        Me.Controls("txtP" & i & "s" & j) = Me.Controls("lblSev" & i).Caption & _
                Me.Controls("lblProb" & j).Caption
       Next
    Next
    
    
 
End Sub

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by:adraughn
ID: 20374250
I did finally fix it last night at starbucks, but I am going to compare your code and will let you know if it works.

thanks sweetie.

-a
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Author Comment

by:adraughn
ID: 20374644
This is what I had come up with:

Function PopulateMatrix()

Dim aRoman, aRomanD, aAlpha, aAlphaD, aNumD, aPS, aRC

'Define arrays
aRoman = Array("I", "II", "III", "IV", "V", "VI")
aRomanD = Array("VI", "V", "IV", "III", "II", "I")
aAlpha = Array("A", "B", "C", "D", "E", "F")
aAlphaD = Array("F", "E", "D", "C", "B", "A")
aNumD = Array(6, 5, 4, 3, 2, 1)
aPS = Array("Prob", "Sev")
aRC = Array("Row", "Col")
   
    'Prevent user from selecting Roman Numerals for both axis
    If Me.Controls("frm" & aPS(0) & "Format") = 1 Then 'Roman Numerals
        If Me.Controls("frm" & aPS(1) & "Format") = 1 Then 'Roman Numerals
        MsgBox "You cannot use Roman Numerals for both Severity and Probability", _
                    vbOKOnly
        Me.Controls("frm" & aPS(0) & "Format") = 3
        End If
    End If

'Changes captions to array values correlated with user selection
For j = 0 To 1
    For i = 1 To Me.Controls("cmb" & aRC(j) & "Qty").Value
        Select Case Me.Controls("frm" & Trim(CStr(aPS(j))) & "Format")
            Case Is = 1
                Select Case Me.Controls("frmOrder" & j)
                    Case Is = 1: Me.Controls("lbl" & aPS(j) & i).Caption = aRoman(i - 1)
                    Case Is = 2: Me.Controls("lbl" & aPS(j) & i).Caption = _
                        aRomanD((i - 1) + (6 - Me.Controls("cmb" & aRC(j) & "Qty").Value))
                End Select
            Case Is = 2
                Select Case Me.Controls("frmOrder" & j)
                    Case Is = 1: Me.Controls("lbl" & aPS(j) & i).Caption = i
                    Case Is = 2: Me.Controls("lbl" & aPS(j) & i).Caption = _
                        aNumD((i - 1) + (6 - Me.Controls("cmb" & aRC(j) & "Qty").Value))
                End Select
            Case Is = 3
                Select Case Me.Controls("frmOrder" & j)
                    Case Is = 1: Me.Controls("lbl" & aPS(j) & i).Caption = aAlpha(i - 1)
                    Case Is = 2: Me.Controls("lbl" & aPS(j) & i).Caption = _
                        aAlphaD((i - 1) + (6 - Me.Controls("cmb" & aRC(j) & "Qty").Value))
                End Select
        End Select
    Next
Next

'Changes matrix values to concatenation of x & y axis labels
    For i = 1 To 6
      For j = 1 To 6
        Me.Controls("txtP" & i & "s" & j) = Me.Controls("lblSev" & j).Caption & _
                Me.Controls("lblProb" & i).Caption
       Next
    Next
 
End Function
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Author Comment

by:adraughn
ID: 20374696
my hero. works great.

-a
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Author Closing Comment

by:adraughn
ID: 31411502
you rock
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