From: Aditya Mahajan <adityam@umich.edu>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: Setting options for every n-th row in natural TABLEs
Date: Sun, 2 Sep 2012 20:39:41 -0400 (EDT) [thread overview]
Message-ID: <alpine.LNX.2.02.1209022018180.2975@ybpnyubfg.ybpnyqbznva> (raw)
In-Reply-To: <461190EC-4251-4CCE-8F75-F78EA878BC56@gmail.com>
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On Sun, 2 Sep 2012, Wolfgang Schuster wrote:
>
> Am 02.09.2012 um 17:59 schrieb Aditya Mahajan <adityam@umich.edu>:
>
>> Hi,
>>
>> On Edward Tufte's website, there is a discussion on zebra coloring in tables[1]. One of the suggestion is to add a horizontal rule after every third line or shade three lines with one background color and the remaining three with another background color.
>>
>> Is there an easy way to do this with natural TABLEs? I can do something like:
>>
>> \setupTABLE[row][1,2,3][background=color, backgroundcolor=gray]
>> \setupTABLE[row][7,8,9][background=color, backgroundcolor=gray]
>>
>> but it requires knowing the number of lines in advance.
>>
>> Aditya
>>
>> [1]: http://www.edwardtufte.com/bboard/q-and-a-fetch-msg?msg_id=0001IV
>
> Natural tables have “odd” and “even” keywords for \setupTABLE but none
> in the way you like it.
Well, I can always change what odd and even means :) (I also realized that
odd and even are just dummy values. I can change them to anything, and can
in fact even turn \v!oddeven to a switch statement that returns multiple
values)
\unprotect
\def\redefineoddeven% HACK
{\def\v!oddeven##1% Return odd if in set 1-3, 7-9, etc. and even otherwise
{\ctxcommand{doifelse(math.mod(##1-1,6) < 3)}\v!odd\v!even}}
\protect
\startsetups zebra:three
\redefineoddeven
\setupTABLE[frame=off,background=color]
\setupTABLE[row][odd][backgroundcolor=blue]
\setupTABLE[row][even][backgroundcolor=red]
\stopsetups
\starttext
\startTABLE[setups={zebra:three}]
\NC A \NC B \NC C \NC \NR
\NC A \NC B \NC C \NC \NR
\NC A \NC B \NC C \NC \NR
\NC A \NC B \NC C \NC \NR
\NC A \NC B \NC C \NC \NR
\NC A \NC B \NC C \NC \NR
\NC A \NC B \NC C \NC \NR
\NC A \NC B \NC C \NC \NR
\NC A \NC B \NC C \NC \NR
\NC A \NC B \NC C \NC \NR
\NC A \NC B \NC C \NC \NR
\stopTABLE
\stoptext
> What I would do is to use a overlay in combination with metapost to
> create the background but there is no global register to access the
> current column/row of a cell, e.g. \currenttablecolumn (this name is
> already used by tables) and \currenttablerow.
Thanks for the hint. It is relatively easy to access the local counter for
a cell, and changing background colors dependon the current row works
well.
\defineconversion
[triadcolors]
[blue,blue,blue,red,red,red]
\startsetups zebra:three
\setupTABLE[frame=off,background=color]
\setupTABLE[row][backgroundcolor={\convertnumber{triadcolors}{\getvalue{m_tabl_ntb_positive_row}}}]
\stopsetups
If I need rules, I guess I can explicitly check for the value of \m_tabl_ntb_postive_pow
inside an overlay.
Thanks,
Aditya
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next prev parent reply other threads:[~2012-09-03 0:39 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-02 15:59 Aditya Mahajan
2012-09-02 18:58 ` Wolfgang Schuster
2012-09-03 0:39 ` Aditya Mahajan [this message]
2012-09-03 4:37 ` Wolfgang Schuster
2012-09-03 6:14 ` Procházka Lukáš Ing. - Pontex s. r. o.
2012-09-03 14:40 ` Aditya Mahajan
2012-09-04 14:34 ` Hans Hagen
2012-09-04 15:21 ` Aditya Mahajan
2012-09-04 17:33 ` Sietse Brouwer
2012-09-05 7:01 ` Procházka Lukáš Ing. - Pontex s. r. o.
2012-09-02 19:56 ` Procházka Lukáš
2012-09-03 0:41 ` Aditya Mahajan
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