Sub Kalender()
Dim yr As Integer, WS As Worksheet, SDate As Date, wks As Integer, i As Integer, leap As String
On Error Resume Next
yr = InputBox(Prompt:="Please enter year", Default:=Year(Date))
On Error GoTo 0
If yr = 0 Then Exit Sub
If Not IsDate(DateSerial(yr, 1, 1)) Then Exit Sub
Application.ScreenUpdating = False
SDate = DateSerial(yr, 1, 1)
Worksheets("kalender").Range("b1").FormulaR1C1 = yr
leap = Worksheets("kalender").Range("l6")
If leap = "ja" Then GoTo schrikkel
If Weekday(SDate) = 5 Then wks = 53 Else wks = 52
If Weekday(SDate) <= 5 Then GoTo doloop1 Else GoTo doloop2
doloop1:
Do Until Weekday(SDate, vbMonday) = 1
SDate = SDate - 1
Loop
Range("A2:G2") = Array("Week nummer", "Start datum", "Eind datum", "Linker Voorwas", "Rechter Voorwas", "Hoofdwas 1", "Hoofdwas 2")
Range("A3:C3") = Array(1, SDate, SDate + 6)
For i = 2 To wks
Range("A2:C2").Offset(i, 0) = Array(i, SDate + (7 * (i - 1)), SDate + (7 * (i - 1)) + 6)
Next i
If wks = 52 Then Range("a55:c55").Delete
Application.ScreenUpdating = True
GoTo einde
doloop2:
Do Until Weekday(SDate, vbMonday) = 1
SDate = SDate + 1
Loop
Range("A2:G2") = Array("Week nummer", "Start datum", "Eind datum", "Linker Voorwas", "Rechter Voorwas", "Hoofdwas 1", "Hoofdwas 2")
Range("A3:C3") = Array(1, SDate, SDate + 6)
For i = 2 To wks
Range("A2:C2").Offset(i, 0) = Array(i, SDate + (7 * (i - 1)), SDate + (7 * (i - 1)) + 6)
Next i
If wks = 52 Then Range("a55:c55").Delete
Application.ScreenUpdating = True
GoTo einde
schrikkel:
If Weekday(SDate) = 5 Or Weekday(SDate) = 4 Then wks = 53 Else wks = 52
If Weekday(SDate) <= 5 Then GoTo doloop3 Else GoTo doloop4
doloop3:
Do Until Weekday(SDate, vbMonday) = 1
SDate = SDate - 1
Loop
Range("A2:G2") = Array("Week nummer", "Start datum", "Eind datum", "Linker Voorwas", "Rechter Voorwas", "Hoofdwas 1", "Hoofdwas 2")
Range("A3:C3") = Array(1, SDate, SDate + 6)
For i = 2 To wks
Range("A2:C2").Offset(i, 0) = Array(i, SDate + (7 * (i - 1)), SDate + (7 * (i - 1)) + 6)
Next i
If wks = 52 Then Range("a55:c55").Delete
Application.ScreenUpdating = True
GoTo einde
doloop4:
Do Until Weekday(SDate, vbMonday) = 1
SDate = SDate + 1
Loop
Range("A2:G2") = Array("Week nummer", "Start datum", "Eind datum", "Linker Voorwas", "Rechter Voorwas", "Hoofdwas 1", "Hoofdwas 2")
Range("A3:C3") = Array(1, SDate, SDate + 6)
For i = 2 To wks
Range("A2:C2").Offset(i, 0) = Array(i, SDate + (7 * (i - 1)), SDate + (7 * (i - 1)) + 6)
Next i
If wks = 52 Then Range("a55:c55").Delete
Application.ScreenUpdating = True
GoTo einde
einde:
End Sub