1.  after more experimenting:  Nope, Excel skips displaying any 
Medium-thickness borders on Column “A”, but will at least display the others.  
Which is idiotic and negates any WYSIWYG of Excel.

2. background fill: yes, that works fine through Excel.  Except I am generating 
files and cannot go through every sheet of every workbook and manually make 
changes every time.


Also: I cannot see either image you included.


From: Mark Murphy [mailto:jmarkmur...@gmail.com]
Sent: Friday, March 02, 2018 11:20 AM
To: POI Users List <user@poi.apache.org>
Subject: Re: POI 3.17 Problems with border and fill styles in generating 
XSSF/xlsx files, viewed in MS Office 365 ProPlus

Can you do what you want in Excel?

Here is what it looks like when I add borders in Excel.

[cid:ii_jea7bvbr0_161e7b89dcdf1fa2]
The borders are re there though. If I look in Print Preview, it looks like this:

[cid:ii_jea7dai41_161e7b9a118b7e5a]

So maybe what you are seeing is just the way Excel renders the borders you have 
created.

On Fri, Mar 2, 2018 at 10:22 AM, Dagnon, William 
<william.dag...@wpsic.com<mailto:william.dag...@wpsic.com>> wrote:
Hello, long time fan, but long time since I last used POI.

I've downloaded POI 3.17 and I'm generating XLSX files from Groovy within 
Eclipse IDE backed by Java 8, and started at:
https://poi.apache.org/spreadsheet/quick-guide.html#FillsAndFrills<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpoi.apache.org%2Fspreadsheet%2Fquick-guide.html%23FillsAndFrills&data=02%7C01%7CWilliam.Dagnon%40wpsic.com%7C7c13f919985c4262ad7708d58061e63d%7C6b61581df3634ffb8f7fd517e2227a0c%7C0%7C0%7C636556080333189845&sdata=lUqZ8EdvLV0VWbC9TQQEJ0OsbfYn4x6yTKN8cyAt7To%3D&reserved=0>
Though looked at the API when there were problems and updated my code slightly 
to use XSSFColors instead of IndexedColors.

However some of the formatting I'm trying is failing to display in MS Office 
365 ProPlus. Unfortunately I don't have anything else to test it in:


  1.  LEFT BORDER NEVER DISPLAYS in "A" Column



I'm putting a medium border around a group of cells: the top, right, and bottom 
cells' borders display fine, but the left border (in the left-most column, "A") 
never displays.  This is for left-only, top-left, and bottom-left cells: for 
top- and bottom-, their other border DOES display.

When I go into the cell style for it, the medium border is there in their 
graphic, and I can remove and re-add it.  It simply isn't displaying in the GUI.



If I go into another left-most cell - either above (one I've defined) or below 
(one I never did a createCell(0) call for) and put the same border in there 
through Excel, it also does NOT display!?



Still in the Excel dialog: if I click on the top preset "Outline".. I can click 
all day and the format never toggles 'off' - so the left border seems to be 
corrupted for the whole worksheet's "A" column so much that the GUI cannot 
overwrite the corruption.



I can set the left border on any non-"A" column cells through Excel just fine.

                My Groovy code looks like:
        Workbook wb = new XSSFWorkbook();
        XSSFColor black = new XSSFColor(new java.awt.Color(0, 0, 0));
        CellStyle vLeft = wb.createCellStyle()   // I only make 1 style for all 
(only) left-bordered cells. Another for the top-left corner, etc.
        vLeft.setBorderLeft(BorderStyle.MEDIUM)  // same style I use for all 
the working cells
        vLeft.setLeftBorderColor(black);         // same color I use for 
correctly-displaying border cells

        XSSFSheet newSheet = wb.createSheet(name)
        row = newSheet.createRow(ii)
        Cell content = row.createCell(jj++)
        content.setCellStyle(vLeft)



  1.  BACKGROUND COLOR DISPLAYS AS BLACK



I'm adding a blue-gray background color to certain lines, but it changes the 
cell to fill completely black.


        XSSFColor bluegray = new XSSFColor(new java.awt.Color(217, 225, 242));
        CellStyle codeFill = wb.createCellStyle();
        codeFill.setFillBackgroundColor(bluegray);       // seems to set 
Foreground color instead
        codeFill.setFillPattern(FillPatternType.SOLID_FOREGROUND);       // As 
the Quick Guide directs: leave it out and NO Fill styles get set!

cell.setCellStyle(codeFill)              // No other styles on these cells... 
so far.



Going into Format Cells.. > Fill, the pattern color is correct. Pattern style 
is empty, and under Background Color, the button at top "No Color" is 
depressed.  So it seems like the underlying code is confused about what it is 
setting.



  1.  ROW STYLE FILL = BLACK, ONLY to the REST of the ROW



If I instead try:

                row.setRowStyle(codeFill)

The bad styles described above in #2 are applied to all columns of the row 
AFTER the current one instead of to ALL cells in the row - why??


I don't have the time to delve into the details of why these fail to work, so 
I'm asking here in case someone has answers/alternatives so I can get the same 
styles quickly.

What am I doing incorrectly?

Are these 3.17-specific bugs?

Thanks!


P.S. Apologies: sent from Outlook - I pray the content is still legible...

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