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AppendixA:ExcelVBAAndGoogleAppsScriptComparison
66
the VBA Selection. ItsgetRow() and getColumn() methodsreturn
therownumberofthefirstrowandfirstcolumn,respectively,for
the Range objecton whichthey are invoked. The purpose ofthe
getLastRow() and getLastColumn() Range methods is clear from
their names. Byusing a combination of these methods the VBA
Selection.Rows.CountandSelection.Columns.Count propertiescan
bemimickedaswasdoneabove.
UsedRange
ToretrievetheveryusefulequivalentoftheVBAUsedRangeobject
in Google Apps Script, use the Sheet getDataRange() method. In
bothlanguagesitiseasytotransferthecellcontentsofarangeinto
anarray.JavaScriptarraysarealotmoreflexiblethanthoseinVBA
andtheyarealwayszero-based. JavaScript’sdynamic typingalso
makesmattersmorestraightforward.VBAisatypedlanguagebut
itsVarianttypenegatestheallthetype-checking.However,ithasto
beusedtoreceivetheRangevalueproperty.Anotherfundamental
languagedifferenceisthatJavaScriptdoesnotdistinguishfunctions
andsubroutines.Insteadfunctionsare alwaysusedandifthere is
noexplicitreturnstatement,undefined isthereturnvalue.
VBA
1
Public Function GetUsedRangeAsArray(sheetName _
2
As String) As Variant
3
Dim sh As Worksheet
4
Set sh = _
5
ActiveWorkbook.Worksheets(sheetName)
6
GetUsedRangeAsArray = sh.UsedRange.value
7
End Function
8
Sub test_GetUsedRangeAsArray()
9
Dim sheetName As String
10
Dim rngValues
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AppendixA:ExcelVBAAndGoogleAppsScriptComparison
67
11
Dim firstRow As Variant
12
sheetName "Sheet1"
13
rngValues = GetUsedRangeAsArray(sheetName)
14
Debug.Print rngValues(11)
15
Debug.Print UBound(rngValues)
16
Debug.Print UBound(rngValues, 2)
17
End Sub
GoogleAppsScript
1
function getUsedRangeAsArray(sheetName) {
2
var ss =
3
SpreadsheetApp.getActiveSpreadsheet(),
4
sh = ss.getSheetByName(sheetName);
5
// The getValues() method of the
6
//
Range object returns an array of arrays
7
return sh.getDataRange().getValues();
8
}
9
// JavaScript does not distinguish between
10
// subroutines and functions.
11
// When the return statement is omitted,
12
// functions return undefined.
13
function test_getUsedRangeAsArray() {
14
var ss SpreadsheetApp.getActiveSpreadsheet(),
15
sheetName 'Sheet1',
16
rngValues = getUsedRangeAsArray(sheetName);
17
// Print the number of rows in the range
18
// The toString() call to suppress the
19
// decimal point so
20
// that, for example, 10.0, is reported as 10
21
Logger.log((rngValues.length).toString());
22
// Print the number of columns
23
// The column count will be the same
24
// for all rows so only need the first row
25
Logger.log((rngValues[0].length).toString());
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AppendixA:ExcelVBAAndGoogleAppsScriptComparison
68
26
// Print the value in the first cell
27
Logger.log(rngValues[0][0]);
28
}
AddColoursToRangeInFirstSheet
Cellsandtheircontentscanbeprogrammaticallyformattedjustas
easilyinGoogleSpreadsheetsasinExcel.
VBA
1
Sub AddColorsToRange()
2
Dim sh1 As Worksheet
3
Dim addr As String: addr "A4:B10"
4
Set sh1 = ActiveWorkbook.Worksheets(1)
5
sh1.Range(addr).Interior.ColorIndex = 3
6
sh1.Range(addr).Font.ColorIndex = 10
7
End Sub
GoogleAppsScript
1
// Select a block of cells in the first sheet.
2
// Use Range methods to set both the font and
3
//
background colors.
4
function addColorsToRange() {
5
var ss =
6
SpreadsheetApp.getActiveSpreadsheet(),
7
sheets = ss.getSheets(),
8
sh1 = sheets[0],
9
addr = 'A4:B10',
10
rng;
11
// getRange is overloaded. This method can
12
// also accept row and column integers
13
rng = sh1.getRange(addr);
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AppendixA:ExcelVBAAndGoogleAppsScriptComparison
69
14
rng.setFontColor('green');
15
rng.setBackgroundColor('red');
16
}
RangeOffsets
TheoffsetRangepropertyinVBAisimplementedinGoogleApps
Scriptasthe Range offset() method. Initsbasic form, the Google
AppsScriptversioncanbeusedtoexactlymimicitsVBAnamesake
asthefollowingcodedemonstrates.
VBA
1
Public Sub OffsetDemo()
2
Dim sh As Worksheet
3
Dim cell As Range
4
Set sh = _
5
ActiveWorkbook.Worksheets(1)
6
Set cell = sh.Range("B2")
7
cell.value "Middle"
8
cell.Offset(-1-1).value "Top Left"
9
cell.Offset(0-1).value "Left"
10
cell.Offset(1-1).value "Bottom Left"
11
cell.Offset(-10).value "Top"
12
cell.Offset(10).value "Bottom"
13
cell.Offset(-11).value "Top Right"
14
cell.Offset(01).value "Right"
15
cell.Offset(11).value "Bottom Right"
16
End Sub
GoogleAppsScript
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AppendixA:ExcelVBAAndGoogleAppsScriptComparison
70
1
// The Spreadsheet method getSheets() returns
2
// an array.
3
// The code "ss.getSheets()[0]"
4
// returns the first sheet and is equivalent to
5
// "ActiveWorkbook.Worksheets(1)" in VBA.
6
// Note that the VBA version is 1-based!
7
function offsetDemo() {
8
var ss =
9
SpreadsheetApp.getActiveSpreadsheet(),
10
sh = ss.getSheets()[0],
11
cell sh.getRange('B2');
12
cell.setValue('Middle');
13
cell.offset(-1,-1).setValue('Top Left');
14
cell.offset(0-1).setValue('Left');
15
cell.offset(1-1).setValue('Bottom Left');
16
cell.offset(-10).setValue('Top');
17
cell.offset(10).setValue('Bottom');
18
cell.offset(-11).setValue('Top Right');
19
cell.offset(01).setValue('Right');
20
cell.offset(11).setValue('Bottom Right');
21
}
Pasting and executing these code snippets in either spreadsheet
application writes the location ofcell B2’sneighbours relative to
its location. The Google AppsScriptoffset() method is, however,
overloaded. This conceptwas discussedin chapter 5 in relation
to the Sheet getRange() method but it merits re-visiting here to
show how the functionality of its overloaded versions can be
implementedinVBA.
VBA
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AppendixA:ExcelVBAAndGoogleAppsScriptComparison
71
1
Mimicking Google e Apps Script
2
offset() method overloads.
3
Public Sub OffsetOverloadDemo()
4
Dim sh As Worksheet
5
Dim cell As Range
6
Dim offsetRng2 As Range
7
Dim offsetRng3 As Range
8
Set sh = ActiveWorkbook.Worksheets(1)
9
Set cell = sh.Range("A1")
10
'Offset returns s a a Range e so o Offset
11
can be e called d again
12
on the returned d Range e from
13
first Offset call.
14
Set offsetRng2 = Range(cell.Offset(14), _
15
cell.Offset(14).Offset(10))
16
Set offsetRng3 = Range(cell.Offset(104), _
17
cell.Offset(104).Offset(34))
18
Debug.Print offsetRng2.Address
19
Debug.Print offsetRng3.Address
20
End Sub
GoogleAppsScript
1
// Demonstrating overloaded versions of offset()
2
// Output:
3
// Address of offset() overload 2
4
// (rowOffset, columnOffset, numRows) is: E2:E3
5
// Address of offset() overload 3 (rowOffset,
6
//
columnOffset, numRows, numColumns)
7
//
is: E11:I14
8
function offsetOverloadDemo() {
9
var ss =
10
SpreadsheetApp.getActiveSpreadsheet(),
11
sh = ss.getSheets()[0],
12
cell sh.getRange('A1'),
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AppendixA:ExcelVBAAndGoogleAppsScriptComparison
72
13
offsetRng2 cell.offset(142),
14
offsetRng3 cell.offset(10445);
15
Logger.log('Address of offset() overload 2 ' +
16
'(rowOffset, columnOffset, numRows) is: '
17
offsetRng2.getA1Notation());
18
Logger.log('Address of offset() overload 3 ' +
19
'(rowOffset, columnOffset, numRows, ' +
20
'numColumns) is: '
21
offsetRng3.getA1Notation());
22
}
While the VBA version defines the same ranges as the Google
AppsScriptversion,itisnotexactlyclear.Thekeypointtorealise
isthatthe VBA Range Offset property returnsanother Range so
there is no reason why Offset cannot be invoked again on this
returned Range. However, code like thisVBA example shouldbe
avoidedwhere possible and,ifitcannotbe avoided, it hadbetter
bewellcommentedanddocumented!Itwasgivenherepurelyfor
demonstrationpurposes.
NamedRanges
The advantages of using named ranges were outlinedin chapter
5. Google Apps Script provides Spreadsheet methods for setting
namedrangesandforretrievingthe Range objectsthatthenames
referto,seechapter5forafulldiscussion.However,theredoesnot
appeartobeawaytoimplementthefollowingVBAfunctionality.
VBA
AppendixA:ExcelVBAAndGoogleAppsScriptComparison
73
1
Public Sub PrintRangeNames()
2
Dim namedRng As Name
3
For Each namedRng In ActiveWorkbook.Names
4
Debug.Print "The name e of f the range e is: " & _
5
namedRng.Name & _
6
" It refers to this address: " _
7
namedRng.RefersTo
8
Next namedRng
9
End Sub
ThisVBAcodeprintsdetailsforallnamedrangesintheactiveExcel
file.Thisfunctionalitycanbeveryusefulbutatthetimeofwriting,
IwasunabletoduplicateitinGoogleAppsScript.
CellComments
Cellcommentsareagoodwaytodocumentspreadsheetsandadd
usefulmetadatathatcandescribethemeaningofcellcontents.They
arealsoamenabletoprogrammaticmanipulation.
The GoogleAppsScriptequivalentto Excel commentsare notes.
TheseareRangeattributesthatcanbesetandretrievedwithwith
theRangegettersandsetterssetNote()andgetNote(),respectively.
Cell Comments
Comments in Google Spreadsheets set from the
spreadsheetarenotthesameasnotesset program-
matically. There does not appear to be a way to
programmaticallymanipulatecommentssetfromthe
spreadsheetbyusers.
SettingCellComments
VBA
AppendixA:ExcelVBAAndGoogleAppsScriptComparison
74
1
Public Sub SetCellComment(sheetName As String, _
2
cellAddress As String, _
3
cellComment As String)
4
Dim sh As Worksheet
5
Dim cell As Range
6
Set sh = ActiveWorkbook.Worksheets(sheetName)
7
Set cell = sh.Range(cellAddress)
8
cell.AddComment cellComment
9
End Sub
10
Public Sub test_SetCellComment()
11
Dim sheetName As String
12
sheetName "Sheet1"
13
Dim cellAddress As String
14
cellAddress "C10"
15
Dim cellComment As String
16
cellComment "Comment added: " & Now()
17
Call SetCellComment(sheetName, _
18
cellAddress, _
19
cellComment)
20
End Sub
GoogleAppsScript
1
function setCellComment(sheetName, cellAddress,
2
cellComment) {
3
var ss =
4
SpreadsheetApp.getActiveSpreadsheet(),
5
sh = ss.getSheetByName(sheetName),
6
cell = sh.getRange(cellAddress);
7
cell.setNote(cellComment);
8
}
9
function test_setCellComment() {
10
var sheetName 'Sheet1',
11
cellAddress 'C10',
12
cellComment 'Comment added d ' Date();
AppendixA:ExcelVBAAndGoogleAppsScriptComparison
75
13
setCellComment(sheetName, cellAddress, cellComment);
14
}
RemovingCellComments
VBA
1
Need to check if the cell l has a a comment.
2
If it does not, then n exit t the e sub but if
3
it does, , then remove it.
4
Public Sub RemoveCellComment(sheetName _
5
As String, _
6
cellAddress As String)
7
Dim sh As Worksheet
8
Dim cell As Range
9
Set sh = ActiveWorkbook.Worksheets(sheetName)
10
Set cell = sh.Range(cellAddress)
11
If cell.Comment Is Nothing Then
12
Exit Sub
13
Else
14
cell.Comment.Delete
15
End If
16
End Sub
17
Public Sub test_RemoveCellComment()
18
Dim sheetName As String
19
sheetName "Sheet1"
20
Dim cellAddress As String
21
cellAddress "C10"
22
Call RemoveCellComment(sheetName, _
23
cellAddress)
24
End Sub
GoogleAppsScript
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