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From "Dagnon, William" <William.Dag...@wpsic.com>
Subject RE: POI 3.17 Problems with border and fill styles in generating XSSF/xlsx files, viewed in MS Office 365 ProPlus
Date Fri, 02 Mar 2018 17:32:23 GMT
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:jmarkmurphy@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.

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


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.Dagnon@wpsic.com<mailto:William.Dagnon@wpsic.com>>
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:
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:


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

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++)


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
        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:


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?


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

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