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Changes  view on Meta::CPAN

corrections and improvements over version 0.2 which was released 10/28/2001.

=over 4

=item *

Introduced C<$index> as one of the variables specified in I<fields.XXX.data>,
imported into the main package and used as metadata inside the
Data::Presenter object.  This eliminates some hard-coding inside subroutines
C<_init()> and C<_extract_rows()> inside Data::Presenter::[subclass] packages. 
It also necessitated a revision of C<_build_sort_formula()>, a large part of
which was extricated into the separate subroutine C<_formula_engine()>.  This
for the first time permitted on index keys which were not entirely numerical.
 So now one can sort on, say, product serial numbers such as C<'24TY-789'>.

=item *

Established a package global hash C<%reserved> within I<Data::Presenter.pm>
and C<%reserved_partial> within I<Data::Presenter::Combo::Intersect.pm> and
I<Data::Presenter::Combo::Union.pm>.  These are hashes of words such as
'fields', 'parameters', 'index' and 'options' which are reserved for current
or future use as keys in the hash blessed into the Data::Presenter object. 

Changes  view on Meta::CPAN

    unless ($i eq 'fields' || $i eq 'parameters') {
    # do something
    }

=item * C<_format_picture_line()> and C<writeHTML()> now format numerical columns
flush-right.

=item *

A bug was fixed in C<_build_sort_formula()> that was causing 'HERNANDEZ' to
precede 'HERNAN' in alphabetical sorts.  This was caused by the internal use
of C<'|'> as the delimiter between array entries.  C<'|'> has a higher ASCII
position than any alphabetical or numerical character.  Hence 'HERNANDEZ|'
has a lower sorting value position than 'HERNAN|'.  This has been corrected
by substituting C<'!'> as the delimiter, since C<'!'> has a lower ASCII value
than any alphabetical or numerical character.  One side effect is that the
character C<'!'> may not appear in data being input into Data::Presenter
objects.

=item *

lib/Data/Presenter.pm  view on Meta::CPAN

    Monday, 11:00    Social Science    T Jones 4044    4044_13
    Friday, 9:00    World History    H Wells 4052    4052_51
    Friday, 9:00    Music Appreciation    W Wilson    4044   4044_51

As with C<writedelimited_with_reprocessing()>, C<writedelimited_deluxe()>
requires careful preparation on the part of the administrator.  See the
discussion under L<"writeformat_with_reprocessing()"> above.

=head3 C<writeHTML()>

In its current formulation, C<writeHTML()> works very much
like C<writeformat_plus_header()>.  It  writes data to an operator-specified
HTML file and writes an appropriate header to that file as well.
C<writeHTML()> takes the same 4 arguments as C<writeformat_plus_header()>:
C<$sorted_data>, C<\@columns_selected>, C<$outputfile> and C<$title>.  The
body of the resulting HTML file is more similar to a Perl format than to an
HTML table.  (This may be upgraded to a true HTML table in a future release.)

    $dp1->writeHTML(
        sorted      => $sorted_data,
        columns     => \@columns_selected,