fix RTL Table View

[yasseralsaidi]

to fix RTL Table View that show content table from left to right instead of right to left
i add an option to show RTL content in table as proper RTL direction
just by adding .showRTL() in headers & data .

example code:

final table = pw.Table.fromTextArray(
    headers: tableHeaders.showRTL(),
    data: tableData.showRTL(),
...

before add showRTL:

after add showRTL:

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Codecov Report

Attention: Patch coverage is 0% with 7 lines in your changes missing coverage. Please review.

Project coverage is 38.13%. Comparing base (016cba4) to head (78bb055).
Report is 222 commits behind head on master.

Files with missing lines	Patch %	Lines
pdf/lib/src/widgets/table.dart	0.00%	7 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1147      +/-   ##
==========================================
- Coverage   38.35%   38.13%   -0.22%     
==========================================
  Files         131      131              
  Lines       19550    19523      -27     
==========================================
- Hits         7499     7446      -53     
- Misses      12051    12077      +26     

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[DavBfr]

It's not the right way to do it. Flutter automatically reverse the columns when there is a Directionality(textDirection: TextDirection.rtl) ancester Widget.

[yasseralsaidi]

@DavBfr so why it shows the wrong direction even if we use textDirection as RTL?
can we fix it and integrated with (textDirection == TextDirection.rtl) to do my method automatically!

like:

if (textDirection == TextDirection.rtl) {
  headers= headers.showRTL();
  data= data.showRTL();
} else {
headers= headers;
data= data;
}

[DavBfr]

The table layout must take the direction into account.
in this function: https://github.com/DavBfr/dart_pdf/blob/master/pdf/lib/src/widgets/table.dart#L432

[minhdanh]

Hi @DavBfr, it looks like the direction of the table is not working. I tried rtl and ltr and the direction of the table is still the same: #1526 (comment)