[PATCH] customize latex table export

[Christophe Rhodes <csr21@cantab.net>]

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Hi,

To produce documents in something approaching my organization's house
style, I need to be able to style the headers of tables.  It's nice that
orgtbl has the functionality for this, but the call to orgtbl-to-latex
has a hard-coded list of parameters with no possibility for extension.
With the attached patch, I am able to put e.g.

#+BIND: org-export-latex-tables-orgtbl-extra-parameters (:hfmt "\\multicolumn{1}{c}{\\bf\\color{white}\\cellcolor{blue}%s}")

in the header of my document, and tables throughout the document all
pick up this style.

I daresay that this is not the optimal way of doing things; while this
solves my immediate problem there is likely to be a more general way of
doing things.


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From 68160f0c7c54309e76d882f871ad01a019e9acab Mon Sep 17 00:00:00 2001
From: Christophe Rhodes <csr21@cantab.net>
Date: Thu, 19 May 2011 13:20:43 +0100
Subject: [PATCH 2/2] allow customization of table headers in latex export

* lisp/org-latex.el (org-export-latex-tables-orgtbl-extra-parameters): New
variable.
(org-export-latex-tables): Use it in call to orgtbl-to-latex.
---
 lisp/org-latex.el |   14 ++++++++++----
 1 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/lisp/org-latex.el b/lisp/org-latex.el
index 516ee12..243cf84 100644
--- a/lisp/org-latex.el
+++ b/lisp/org-latex.el
@@ -325,6 +325,11 @@ When nil, grouping causes only separation lines between groups."
   :group 'org-export-latex
   :type 'boolean)
 
+(defcustom org-export-latex-tables-orgtbl-extra-parameters nil
+  "Extra parameters to pass to orgtbl-to-latex."
+  :group 'org-export-latex
+  :type 'plist)
+
 (defcustom org-export-latex-low-levels 'itemize
   "How to convert sections below the current level of sectioning.
 This is specified by the `org-export-headline-levels' option or the
@@ -1929,15 +1934,16 @@ The conversion is made depending of STRING-BEFORE and STRING-AFTER."
 				    align))
                         (orgtbl-to-latex
                          lines
-                         `(:tstart nil :tend nil
-                                   :hlend ,(if longtblp
-                                               (format "\\\\
+			 (append org-export-latex-tables-orgtbl-extra-parameters
+				 `(:tstart nil :tend nil
+					   :hlend ,(if longtblp
+						       (format "\\\\
 \\hline
 \\endhead
 \\hline\\multicolumn{%d}{r}{Continued on next page}\\
 \\endfoot
 \\endlastfoot" (length org-table-last-alignment))
-                                             nil)))
+						     nil))))
                         (if (not longtblp) (format "\n\\end{%s}" tabular-env))
                         (if longtblp "\n" (if org-export-latex-tables-centered
                                               "\n\\end{center}\n" "\n"))
-- 
1.7.2.5


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Best,

Christophe