Excel VBA Interfaces & Implements; jqGrid

Also noted JavaScript jqGrid Demons within http://trirand.com/blog/jqgrid/jqgrid.html as a possible long-term infrastructure approach

Cat.cls

@@ -0,0 +1,14 @@
+VERSION 1.0 CLASS
+BEGIN
+  MultiUse = -1  'True
+END
+Attribute VB_Name = "Cat"
+Attribute VB_GlobalNameSpace = False
+Attribute VB_Creatable = False
+Attribute VB_PredeclaredId = False
+Attribute VB_Exposed = False
+Implements IAnimal
+
+Private Sub IAnimal_Speak()
+    Debug.Print "Meow"
+End Sub

Dog.cls

@@ -0,0 +1,14 @@
+VERSION 1.0 CLASS
+BEGIN
+  MultiUse = -1  'True
+END
+Attribute VB_Name = "Dog"
+Attribute VB_GlobalNameSpace = False
+Attribute VB_Creatable = False
+Attribute VB_PredeclaredId = False
+Attribute VB_Exposed = False
+Implements IAnimal
+
+Private Sub IAnimal_Speak()
+    Debug.Print "Woof"
+End Sub

IAnimal.cls

@@ -0,0 +1,11 @@
+VERSION 1.0 CLASS
+BEGIN
+  MultiUse = -1  'True
+END
+Attribute VB_Name = "IAnimal"
+Attribute VB_GlobalNameSpace = False
+Attribute VB_Creatable = False
+Attribute VB_PredeclaredId = False
+Attribute VB_Exposed = False
+Sub Speak()
+End Sub

ICalc.cls

@@ -0,0 +1,13 @@
+VERSION 1.0 CLASS
+BEGIN
+  MultiUse = -1  'True
+END
+Attribute VB_Name = "ICalc"
+Attribute VB_GlobalNameSpace = False
+Attribute VB_Creatable = False
+Attribute VB_PredeclaredId = False
+Attribute VB_Exposed = False
+Sub Add()
+End Sub
+Sub Subract()
+End Sub

ISummaryUpdater.cls

@@ -0,0 +1,19 @@
+VERSION 1.0 CLASS
+BEGIN
+  MultiUse = -1  'True
+END
+Attribute VB_Name = "ISummaryUpdater"
+Attribute VB_GlobalNameSpace = False
+Attribute VB_Creatable = False
+Attribute VB_PredeclaredId = False
+Attribute VB_Exposed = False
+Sub Update(engine As RuleEngine, sheet As Worksheet)
+End Sub
+
+Function GetVersion() As String
+End Function
+
+Function ClearSheet(ws As Worksheet)
+End Function
+Function FitAllColumns(ws As Worksheet)
+End Function

Main.bas

@@ -56,9 +56,19 @@ Sub Main()
     ' Update category column in Groceries worksheet.
     UpdateCategory engine
 
-    UpdateSummary engine
+    'UpdateSummary engine
+    Dim updater As New summaryUpdater
+    Dim updaterColorful As New SummaryUpdaterColorful
+    Dim updaterAdd As New SummaryUpdaterAdd
+    Dim updaterSubtract As New SummaryUpdaterSubtract
 
-    ' MsgBox (GetTotal(New totalProvider, engine))
+
+    UpdateSummary updaterAdd, engine, Worksheets("Summary")
+    UpdateSummary updaterSubtract, engine, Worksheets("SummarySubtract")
+    'Or pass a variable
+    'UpdateSummary updaterColorful, engine, Worksheets("Summary")
+
+    'MsgBox (GetTotal(New totalProvider, engine))
 
 End Sub
 
@@ -72,54 +82,51 @@ Private Sub UpdateCategory(engine As RuleEngine)
     Dim r As Range
     Dim Total As Double: Total = 0
 
+    Dim colLetter As String
+
+    colLetter = Col_Letter(ws.Range("A1").End(xlToRight).Column)
     For Each row In engine.Rows
         Set r = ws.Range("A" & row.RowNumber)
         'COLUMN WHERE CATEGORY IS PRINTED
-        ws.Range("M" & row.RowNumber).ClearContents
-        ws.Range("M" & row.RowNumber).Value = row.Category
+
+        ws.Range(colLetter & row.RowNumber).ClearContents
+        ws.Range(colLetter & row.RowNumber).Value = row.Category
 
         'Debug.Print row.Columns("Id") & "=" & row.Category
         r.Interior.ColorIndex = 0
 
     Next
 End Sub
 
-Private Sub UpdateSummary(engine As RuleEngine)
-    Dim row As RowInfo
-    Dim pRule As rule
-    Dim offset As Integer
-    Dim colHeaders As New Collection
-    colHeaders.Add ("PriceL")
-    colHeaders.Add ("PriceB")
-
-    Dim colHeader1 As String
-    Dim colHeader2 As String
-    Dim colHeader3 As String
-    Dim colHeader4 As String
-
-    colHeader1 = Worksheets("Summary").Range("B1").Value
-    colHeader2 = Worksheets("Summary").Range("C1").Value
-    ' go through all available rules
-    For Each pRule In engine.rules
-        Worksheets("Summary").Range("A2").offset(offset, 0) = pRule.Category
-
-        ' Get total for each rule
-        Dim pTotal1 As Double: pTotal1 = 0
-        Dim pTotal2 As Double: pTotal2 = 0
-        For Each row In engine.Rows
-            If row.Category = pRule.Category Then
-                pTotal1 = pTotal1 + row.Columns(colHeader1)
-                pTotal2 = pTotal2 + row.Columns(colHeader2)
-            End If
-        Next
-        Worksheets("Summary").Range("B2").offset(offset, 0) = pTotal1
-        Worksheets("Summary").Range("C2").offset(offset, 0) = pTotal2
-
-        offset = offset + 1
-    Next
-End Sub
+Function Col_Letter(lngCol As Long) As String
+    Dim vArr
+    vArr = Split(Cells(1, lngCol).Address(True, False), "$")
+    Col_Letter = vArr(0)
+End Function
 
 'Private Function GetTotal(totalProvider As totalProvider, engine As RuleEngine) As Double
 '    GetTotal = totalProvider.GetTotal(engine)
 'End Function
 
+'Sub Test()
+'
+'    Dim cat As New cat
+'    Dim dog As New dog
+'
+'    AnimalSpeak cat
+'    AnimalSpeak dog
+'
+'End Sub
+'
+'Sub AnimalSpeak(a As IAnimal)
+'    a.Speak
+'End Sub
+
+Sub UpdateSummary(summaryUpdater As ISummaryUpdater, engine As RuleEngine, sheet As Worksheet)
+    summaryUpdater.ClearSheet sheet
+    summaryUpdater.Update engine, sheet
+    summaryUpdater.FitAllColumns sheet
+    'Debug.Print summaryUpdater.GetVersion()
+End Sub
+
+

RuleEngine.cls

@@ -122,7 +122,7 @@ Function IsRuleSuccess(ruleName As String) As Boolean
         If ruleName = "Rule" & r.RuleID Then
             result = r.Success
             If result Then
-                Debug.Print result
+                'Debug.Print result
             End If
         End If
     Next

SummaryUpdater.cls

@@ -0,0 +1,62 @@
+VERSION 1.0 CLASS
+BEGIN
+  MultiUse = -1  'True
+END
+Attribute VB_Name = "SummaryUpdater"
+Attribute VB_GlobalNameSpace = False
+Attribute VB_Creatable = False
+Attribute VB_PredeclaredId = False
+Attribute VB_Exposed = False
+Implements ISummaryUpdater
+
+Private Function ISummaryUpdater_ClearSheet(ws As Worksheet) As Variant
+
+End Function
+
+Private Function ISummaryUpdater_FitAllColumns(ws As Worksheet) As Variant
+    ws.Cells.Select
+    ws.Cells.EntireColumn.AutoFit
+    ws.Cells(1, 1).Select
+End Function
+
+Private Function ISummaryUpdater_GetVersion() As String
+    ISummaryUpdater_GetVersion = "1.0"
+End Function
+
+Private Sub ISummaryUpdater_Update(engine As RuleEngine, sheet As Worksheet)
+    Dim row As RowInfo
+    Dim pRule As rule
+    Dim offset As Integer
+
+    Dim ColHeaders As New Collection
+    ColHeaders.Add ("PriceL")
+    ColHeaders.Add ("PriceB")
+
+    Dim colHeader1 As String
+    Dim colHeader2 As String
+    Dim colHeader3 As String
+    Dim colHeader4 As String
+
+    colHeader1 = sheet.Range("B1").Value
+    colHeader2 = sheet.Range("C1").Value
+    ' go through all available rules
+    For Each pRule In engine.rules
+        sheet.Range("A2").offset(offset, 0) = pRule.Category
+
+        ' Get total for each rule
+        Dim pTotal1 As Double: pTotal1 = 0
+        Dim pTotal2 As Double: pTotal2 = 0
+        For Each row In engine.Rows
+            If row.Category = pRule.Category Then
+                pTotal1 = pTotal1 + row.Columns(colHeader1)
+                pTotal2 = pTotal2 + row.Columns(colHeader2)
+            End If
+        Next
+        sheet.Range("B2").offset(offset, 0) = pTotal1
+        sheet.Range("B2").offset(offset, 0).Interior.ColorIndex = 0
+        sheet.Range("C2").offset(offset, 0) = pTotal2
+        sheet.Range("C2").offset(offset, 0).Interior.ColorIndex = 0
+
+        offset = offset + 1
+    Next
+End Sub

SummaryUpdaterAdd.cls

@@ -0,0 +1,58 @@
+VERSION 1.0 CLASS
+BEGIN
+  MultiUse = -1  'True
+END
+Attribute VB_Name = "SummaryUpdaterAdd"
+Attribute VB_GlobalNameSpace = False
+Attribute VB_Creatable = False
+Attribute VB_PredeclaredId = False
+Attribute VB_Exposed = False
+Option Explicit
+Implements ISummaryUpdater
+
+Private Function ISummaryUpdater_ClearSheet(ws As Worksheet) As Variant
+ws.Range("A2:ZZ6000").ClearContents
+End Function
+
+Private Function ISummaryUpdater_FitAllColumns(ws As Worksheet) As Variant
+    ws.Activate
+    ws.Cells.Select
+    ws.Cells.EntireColumn.AutoFit
+    ws.Cells(1, 1).Select
+End Function
+
+Private Function ISummaryUpdater_GetVersion() As String
+
+End Function
+
+Private Sub ISummaryUpdater_Update(engine As RuleEngine, sheet As Worksheet)
+    Dim row As RowInfo
+    Dim pRule As rule
+    Dim offset As Integer
+
+
+    Dim r As Range
+    Dim c As Range
+    Set r = sheet.Range(sheet.Range("B1"), sheet.Range("B1").End(xlToRight))
+    'r.Select
+
+
+    offset = 1
+    ' go through all available rules
+    For Each pRule In engine.rules
+        sheet.Range("A2").offset(offset - 1, 0) = pRule.Category
+
+        For Each row In engine.Rows
+            If row.Category = pRule.Category Then
+
+                For Each c In r
+                    c.offset(offset, 0).Value = c.offset(offset, 0).Value + row.Columns(c.Value)
+                Next
+            End If
+        Next
+
+
+        offset = offset + 1
+    Next
+
+End Sub

SummaryUpdaterColorful.cls

@@ -0,0 +1,64 @@
+VERSION 1.0 CLASS
+BEGIN
+  MultiUse = -1  'True
+END
+Attribute VB_Name = "SummaryUpdaterColorful"
+Attribute VB_GlobalNameSpace = False
+Attribute VB_Creatable = False
+Attribute VB_PredeclaredId = False
+Attribute VB_Exposed = False
+Implements ISummaryUpdater
+
+Private Function ISummaryUpdater_ClearSheet(ws As Worksheet) As Variant
+
+End Function
+
+Private Function ISummaryUpdater_FitAllColumns(ws As Worksheet) As Variant
+    ws.Cells.Select
+    ws.Cells.EntireColumn.AutoFit
+    ws.Cells(1, 1).Select
+End Function
+
+Private Function ISummaryUpdater_GetVersion() As String
+    ISummaryUpdater_GetVersion = "2.0"
+End Function
+
+Private Sub ISummaryUpdater_Update(engine As RuleEngine, sheet As Worksheet)
+
+    Dim row As RowInfo
+    Dim pRule As rule
+    Dim offset As Integer
+    Dim ColHeaders As New Collection
+    ColHeaders.Add ("PriceL")
+    ColHeaders.Add ("PriceB")
+
+    Dim colHeader1 As String
+    Dim colHeader2 As String
+    Dim colHeader3 As String
+    Dim colHeader4 As String
+
+    colHeader1 = sheet.Range("B1").Value
+    colHeader2 = sheet.Range("C1").Value
+    ' go through all available rules
+    For Each pRule In engine.rules
+        sheet.Range("A2").offset(offset, 0) = pRule.Category
+
+        ' Get total for each rule
+        Dim pTotal1 As Double: pTotal1 = 0
+        Dim pTotal2 As Double: pTotal2 = 0
+        For Each row In engine.Rows
+            If row.Category = pRule.Category Then
+                pTotal1 = pTotal1 + row.Columns(colHeader1)
+                pTotal2 = pTotal2 + row.Columns(colHeader2)
+            End If
+        Next
+        sheet.Range("B2").offset(offset, 0) = pTotal1
+        sheet.Range("B2").offset(offset, 0).Interior.ColorIndex = 6
+        sheet.Range("C2").offset(offset, 0) = pTotal2
+        sheet.Range("C2").offset(offset, 0).Interior.ColorIndex = 7
+
+        offset = offset + 1
+    Next
+
+End Sub
+