https://bz.apache.org/bugzilla/show_bug.cgi?id=64494
Bug ID: 64494
Summary: CellStyles propagate unexpectedly and incorrectly
Product: POI
Version: unspecified
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: XSSF
Assignee: dev@poi.apache.org
Reporter: marco.bariga...@gmail.com
Target Milestone: ---
Hello, in the context of XSSF CellStyles this happens. If I write this very
simple code:
XSSFCellStyle styleRight = workbook.createCellStyle();
XSSFCellStyle styleLeft = workbook.createCellStyle();
styleRight.setAlignment(HorizontalAlignment.RIGHT);
styleLeft.setAlignment(HorizontalAlignment.LEFT);
The cells that have their style set to styleLeft will also, incorrectly, be
aligned to the right.
If there is any other command that acts on either one of these styles, say for
example a setFont or setDataFormat, at any other point in the code, the cells
that have their style set to styleLeft will correctly be aligned to the left.
If BOTH styles have a, say, setFont applied to them, and the font put as
argument is the same object for both styles, the alignment will break again and
the supposedly left-aligned cells will align right (this doesn't happen if two
identical objects are set as the setFont arguments in either style).
If the order in which the objects are created flips (so styleLeft is created
before styleRight), so does the alignment (both will be aligned left). This
applies also for >2 styles, the first style created will propagate to all the
following ones.
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