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From: Eric Abrahamsen <eric@ericabrahamsen.net>
To: emacs-orgmode@gnu.org
Subject: Re: [patch] LaTeX export using tabu tables
Date: Tue, 26 Mar 2013 10:54:04 +0800	[thread overview]
Message-ID: <87y5daan1v.fsf@ericabrahamsen.net> (raw)
In-Reply-To: 87y5dbxnbp.fsf@gmail.com

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Nicolas Goaziou <n.goaziou@gmail.com> writes:

I'll get this right eventually...

>> +	 (spread (plist-member attr :spread))
>
> I think you mean (plist-get attr :spread), otherwise ":spread nil" will
> still activate spread. Also, since it's a predicate, I suggest to name
> the variable "spreadp".

Me being clever again -- I misunderstood how that would work.


[...]

> "longtabu" gets its own cond branch, but not "tabu". I think that
> defeats the purpose of the separation, which is to be able to add
> support for features of this rich table environment without cluttering
> the rest of the code. Doing it partially isn't worth the code
> duplication it implies.
>
> IOW, either we separate both "tabu" and "longtabu" completely, or we
> separate none of them. Your call.

I've kept the separation. There was no need to duplicate all the float
environment stuff, so there's not too much extra code.

Thanks for all the pointers!

Eric

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From 675c33c7939795758ae6d1c2b33201bd25a6ac6e Mon Sep 17 00:00:00 2001
From: Eric Abrahamsen <eric@ericabrahamsen.net>
Date: Tue, 26 Mar 2013 10:45:30 +0800
Subject: [PATCH] ox-latex: Allow use of the "tabu" and "longtabu" table
 environments

* lisp/ox-latex.el (org-latex--org-table, org-latex-table-row): New
  table attribute :spread handles the width specification syntax of
  "tabu" and "longtabu" table environments.
---
 lisp/ox-latex.el | 51 +++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 41 insertions(+), 10 deletions(-)

diff --git a/lisp/ox-latex.el b/lisp/ox-latex.el
index 310fa14..7ca1f94 100644
--- a/lisp/ox-latex.el
+++ b/lisp/ox-latex.el
@@ -48,7 +48,7 @@
 ;; - The second most important attribute is `:environment'.  It is the
 ;;   environment used for the table and defaults to
 ;;   `org-latex-default-table-environment' value.  It can be set to
-;;   anything, including "tabularx", "longtable", "array",
+;;   anything, including "tabularx", "longtable", "array", "tabu",
 ;;   "bmatrix"...
 ;;
 ;; - `:float' attribute defines a float environment for the table.
@@ -61,6 +61,12 @@
 ;;   alignment string of the table, its font size and its width.  They
 ;;   only apply on regular tables.
 ;;
+;; - `:spread' is a boolean attribute specific to the "tabu" and
+;;   "longtabu" environments, and only takes effect when used in
+;;   conjunction with the `:width' attribute.  When `:spread' is
+;;   present, the table will be spread or shrunk by the value of
+;;   `:width'.
+;;
 ;; - `:booktabs', `:center' and `:rmlines' values are booleans.  They
 ;;   toggle, respectively "booktabs" usage (assuming the package is
 ;;   properly loaded), table centering and removal of every horizontal
@@ -2429,7 +2435,7 @@ This function assumes TABLE has `org' as its `:type' property and
 			org-latex-default-table-environment))
 	 ;; If table is a float, determine environment: table, table*
 	 ;; or sidewaystable.
-	 (float-env (unless (equal "longtable" table-env)
+	 (float-env (unless (member table-env '("longtable" "longtabu"))
 		      (let ((float (plist-get attr :float)))
 			(cond
 			 ((string= float "sidewaystable") "sidewaystable")
@@ -2441,6 +2447,7 @@ This function assumes TABLE has `org' as its `:type' property and
 	 (fontsize (let ((font (plist-get attr :font)))
 		     (and font (concat font "\n"))))
 	 (width (plist-get attr :width))
+	 (spreadp (plist-get attr :spread))
 	 (placement (or (plist-get attr :placement)
 			(format "[%s]" org-latex-default-figure-position)))
 	 (centerp (if (plist-member attr :center) (plist-get attr :center)
@@ -2460,6 +2467,23 @@ This function assumes TABLE has `org' as its `:type' property and
 		   (concat caption "\\\\\n"))
 	      "\\end{longtable}\n"
 	      (and fontsize "}")))
+     ;; Longtabu
+     ((equal "longtabu" table-env)
+      (concat (and fontsize (concat "{" fontsize))
+	      (format "\\begin{longtabu}%s{%s}\n"
+		      (if width
+			  (format " %s %s "
+				  (if spreadp "spread" "to") width) "")
+		      alignment)
+	      (and org-latex-table-caption-above
+		   (org-string-nw-p caption)
+		   (concat caption "\\\\\n"))
+	      contents
+	      (and (not org-latex-table-caption-above)
+		   (org-string-nw-p caption)
+		   (concat caption "\\\\\n"))
+	      "\\end{longtabu}\n"
+	      (and fontsize "}")))
      ;; Others.
      (t (concat (cond
 		 (float-env
@@ -2469,12 +2493,19 @@ This function assumes TABLE has `org' as its `:type' property and
 			  fontsize))
 		 (centerp (concat "\\begin{center}\n" fontsize))
 		 (fontsize (concat "{" fontsize)))
-		(format "\\begin{%s}%s{%s}\n%s\\end{%s}"
-			table-env
-			(if width (format "{%s}" width) "")
-			alignment
-			contents
-			table-env)
+		(cond ((equal "tabu" table-env)
+		       (format "\\begin{tabu}%s{%s}\n%s\\end{tabu}"
+			       (if width (format
+					  (if spreadp " spread %s " " to %s ")
+					  width) "")
+			       alignment
+			       contents))
+		      (t (format "\\begin{%s}%s{%s}\n%s\\end{%s}"
+				 table-env
+				 (if width (format "{%s}" width) "")
+				 alignment
+				 contents
+				 table-env)))
 		(cond
 		 (float-env
 		  (concat (if org-latex-table-caption-above "" caption)
@@ -2634,9 +2665,9 @@ a communication channel."
   (when (eq (org-element-property :type table-row) 'standard)
     (let* ((attr (org-export-read-attribute :attr_latex
 					    (org-export-get-parent table-row)))
-	   (longtablep (string= (or (plist-get attr :environment)
+	   (longtablep (member (or (plist-get attr :environment)
 				    org-latex-default-table-environment)
-				"longtable"))
+				'("longtable" "longtabu")))
 	   (booktabsp (if (plist-member attr :booktabs)
 			  (plist-get attr :booktabs)
 			org-latex-tables-booktabs))
-- 
1.8.2


  reply	other threads:[~2013-03-26  2:48 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-23  4:26 [patch] LaTeX export using tabu tables Eric Abrahamsen
2013-03-24  0:18 ` Vikas Rawal
2013-03-24  9:26 ` Nicolas Goaziou
2013-03-25  5:35   ` Eric Abrahamsen
2013-03-25  5:54     ` Bastien
2013-03-25  6:54       ` Eric Abrahamsen
2013-03-25  6:51         ` Bastien
2013-03-25 19:59     ` Nicolas Goaziou
2013-03-26  2:54       ` Eric Abrahamsen [this message]
2013-03-27 14:29         ` Nicolas Goaziou
2013-03-26 20:05     ` Marcin Borkowski
2013-03-27  1:59       ` Eric Abrahamsen
2013-04-07 13:15         ` Marcin Borkowski

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