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Creating a calendar with horizontal bar for time duration

Posted on 2014-12-25
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Last Modified: 2014-12-28
First this isn't exactly a Gantt chart. Plenty of examples but not specifically what I am looking for.

Row 1 would display dates (F1(1/1/2015 for example) to never ending)

Row 3 (C3 Start date, C4 end date, and C5 Duration, which is C4-C3) The rows would also be limitless

Is there a way that the start date could find a matching date in row 1 and the intersection (cell) would be filled in then the number of duration would fill, horizontally, the remaining cells? If the duration is 3 days then 3 cells are filled in.

Thank you for any assistance
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Question by:dgd1212
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by:Martin Liss
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Can you manually create a small sample worksheet that shows your desired result?
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Author Comment

by:dgd1212
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Martin,
Per your request I have attached spreadsheet. I manually entered the filled in cells, which I hope to be the final result of picking dates.
Thank you for looking at this.TEST-Rolling-Calendar.xlsx
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by:Martin Liss
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Would a macro that creates/updates the "bars" when the duration changes be acceptable?
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Martin Liss earned 250 total points
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The attached workbook contains the following macro which is called when the duration changes.  

Sub CreateBars()
Dim lngLastRow As Long
Dim lngRow As Long
Dim lngLastCol As Long
Dim lngCol As Long

With Sheets("CALENDAR")
    Application.ScreenUpdating = False
    
    lngLastRow = .Range("A1048576").End(xlUp).Row
    lngLastCol = .Cells.Find("*", SearchOrder:=xlByColumns, LookIn:=xlValues, SearchDirection:=xlPrevious).Column
    
    ' Clear the bars (the "Split(Cells(1, lngLastCol).Address, "$")(1)" part
    ' converts the column number into a letter)
    .Range("F3:" & Split(Cells(1, lngLastCol).Address, "$")(1) & lngLastRow).Interior.TintAndShade = 0
    
    For lngRow = 3 To lngLastRow
        ' Check duration
        If Val(.Cells(lngRow, 5)) > 0 Then
            For lngCol = 6 To lngLastCol
                ' Check to see if the cell's date falls between the
                ' start and stop values inclusive
                If .Cells(1, lngCol) >= .Cells(lngRow, 3) And _
                   .Cells(1, lngCol) <= .Cells(lngRow, 4) Then
                   .Cells(lngRow, lngCol).Interior.Color = vbBlack
                End If
            Next
        End If
    Next
    
    Application.ScreenUpdating = True
    
End With

End Sub

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Q-28586739.xlsm
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Assisted Solution

by:Ejgil Hedegaard
Ejgil Hedegaard earned 250 total points
Comment Utility
Or use conditional formatting with this rule in F1 for the range F:XFD
=AND($C1<=F$1,$D1>=F$1,F$1<>"")
TEST-Rolling-Calendar-cond-format.xlsx
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Author Closing Comment

by:dgd1212
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Both solutions worked. Not sure if one is more advantageous than the other but both function as needed. Many thanks for your help.
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Expert Comment

by:Martin Liss
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If you use the Conditional formatting approach I believe you'll have to update it if you add more dates, but in any case you're welcome and I'm glad I was able to help.

In my profile you'll find links to some articles I've written that may interest you.
Marty - MVP 2009 to 2014
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Expert Comment

by:Ejgil Hedegaard
Comment Utility
It is not needed to update the conditional format when more dates are added in row 1, or columns C and D.
The rule is set for all rows, and all columns from F to the last column on the sheet XFD.
Also clears the cell colour when input are deleted.
The last rule F$1<>"" ensures that cells with no date in row 1, does not turn black when comparing to empty cells in columns C and D.
If you want the rule to require data in column A and B also, change to
=AND($A1<>"",$B1<>"",$C1<=F$1,$D1>=F$1,F$1<>"")
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