Initial commit of Luke Shumaker's "dot-files".

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+;;; org-jsinfo.el --- Support for org-info.js Javascript in Org HTML export
+
+;; Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010
+;;   Free Software Foundation, Inc.
+
+;; Author: Carsten Dominik <carsten at orgmode dot org>
+;; Keywords: outlines, hypermedia, calendar, wp
+;; Homepage: http://orgmode.org
+;; Version: 7.4
+;;
+;; This file is part of GNU Emacs.
+;;
+;; GNU Emacs is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;
+;;; Commentary:
+
+;; This file implements the support for Sebastian Rose's JavaScript
+;; org-info.js to display an org-mode file exported to HTML in an
+;; Info-like way, or using folding similar to the outline structure
+;; org org-mode itself.
+
+;; Documentation for using this module is in the Org manual.  The script
+;; itself is documented by Sebastian Rose in a file distributed with
+;; the script.  FIXME: Accurate pointers!
+
+;; Org-mode loads this module by default - if this is not what you want,
+;; configure the variable `org-modules'.
+
+;;; Code:
+
+(require 'org-exp)
+(require 'org-html)
+
+(add-to-list 'org-export-inbuffer-options-extra '("INFOJS_OPT" :infojs-opt))
+(add-hook 'org-export-options-filters 'org-infojs-handle-options)
+
+(defgroup org-infojs nil
+  "Options specific for using org-info.js in HTML export of Org-mode files."
+  :tag "Org Export HTML INFOJS"
+  :group 'org-export-html)
+
+(defcustom org-export-html-use-infojs 'when-configured
+  "Should Sebastian Rose's Java Script org-info.js be linked into HTML files?
+This option can be nil or t to never or always use the script.  It can
+also be the symbol `when-configured', meaning that the script will be
+linked into the export file if and only if there is a \"#+INFOJS_OPT:\"
+line in the buffer.  See also the variable `org-infojs-options'."
+  :group 'org-export-html
+  :group 'org-infojs
+  :type '(choice
+	  (const :tag "Never" nil)
+	  (const :tag "When configured in buffer" when-configured)
+	  (const :tag "Always" t)))
+
+(defconst org-infojs-opts-table
+  '((path PATH "http://orgmode.org/org-info.js")
+    (view VIEW "info")
+    (toc TOC :table-of-contents)
+    (ftoc FIXED_TOC "0")
+    (tdepth TOC_DEPTH "max")
+    (sdepth SECTION_DEPTH "max")
+    (mouse MOUSE_HINT "underline")
+    (buttons VIEW_BUTTONS "0")
+    (ltoc LOCAL_TOC "1")
+    (up LINK_UP :link-up)
+    (home LINK_HOME :link-home))
+  "JavaScript options, long form for script, default values.")
+
+(defvar org-infojs-options)
+(when (and (boundp 'org-infojs-options)
+	   (assq 'runs org-infojs-options))
+  (setq org-infojs-options (delq (assq 'runs org-infojs-options)
+				 org-infojs-options)))
+
+(defcustom org-infojs-options
+  (mapcar (lambda (x) (cons (car x) (nth 2 x)))
+	  org-infojs-opts-table)
+  "Options settings for the INFOJS JavaScript.
+Each of the options must have an entry in `org-export-html/infojs-opts-table'.
+The value can either be a string that will be passed to the script, or
+a property.  This property is then assumed to be a property that is defined
+by the Export/Publishing setup of Org.
+The `sdepth' and `tdepth' parameters can also be set to \"max\", which
+means to use the maximum value consistent with other options."
+  :group 'org-infojs
+  :type
+  `(set :greedy t :inline t
+	,@(mapcar
+	   (lambda (x)
+	     (list 'cons (list 'const (car x))
+		   '(choice
+			    (symbol :tag "Publishing/Export property")
+			    (string :tag "Value"))))
+	   org-infojs-opts-table)))
+
+(defcustom org-infojs-template
+  "<script type=\"text/javascript\" src=\"%SCRIPT_PATH\"></script>
+<script type=\"text/javascript\" >
+<!--/*--><![CDATA[/*><!--*/
+%MANAGER_OPTIONS
+org_html_manager.setup();  // activate after the parameters are set
+/*]]>*///-->
+</script>"
+  "The template for the export style additions when org-info.js is used.
+Option settings will replace the %MANAGER-OPTIONS cookie."
+  :group 'org-infojs
+  :type 'string)
+
+(defun org-infojs-handle-options (exp-plist)
+  "Analyze JavaScript options in INFO-PLIST and modify EXP-PLIST accordingly."
+  (if (or (not org-export-html-use-infojs)
+	  (and (eq org-export-html-use-infojs 'when-configured)
+	       (or (not (plist-get exp-plist :infojs-opt))
+		   (string-match "\\<view:nil\\>"
+				 (plist-get exp-plist :infojs-opt)))))
+      ;; We do not want to use the script
+      exp-plist
+    ;; We do want to use the script, set it up
+    (let ((template org-infojs-template)
+	(ptoc (plist-get exp-plist :table-of-contents))
+	(hlevels (plist-get exp-plist :headline-levels))
+	tdepth sdepth s v e opt var val table default)
+    (setq sdepth hlevels
+	  tdepth hlevels)
+    (if (integerp ptoc) (setq tdepth (min ptoc tdepth)))
+    (setq v (plist-get exp-plist :infojs-opt)
+	  table org-infojs-opts-table)
+    (while (setq e (pop table))
+      (setq opt (car e) var (nth 1 e)
+	    default (cdr (assoc opt org-infojs-options)))
+      (and (symbolp default) (not (memq default '(t nil)))
+	   (setq default (plist-get exp-plist default)))
+      (if (and v (string-match (format " %s:\\(\\S-+\\)" opt) v))
+	  (setq val (match-string 1 v))
+	(setq val default))
+      (cond
+       ((eq opt 'path)
+	(and (string-match "%SCRIPT_PATH" template)
+	     (setq template (replace-match val t t template))))
+       ((eq opt 'sdepth)
+	(if (integerp (read val))
+	    (setq sdepth (min (read val) hlevels))))
+       ((eq opt 'tdepth)
+	(if (integerp (read val))
+	    (setq tdepth (min (read val) hlevels))))
+       (t
+	(setq val
+	      (cond
+	       ((or (eq val t) (equal val "t")) "1")
+	       ((or (eq val nil) (equal val "nil")) "0")
+	       ((stringp val) val)
+	       (t (format "%s" val))))
+	(push (cons var val) s))))
+
+    ;; Now we set the depth of the *generated* TOC to SDEPTH, because the
+    ;; toc will actually determine the splitting.  How much of the toc will
+    ;; actually be displayed is governed by the TDEPTH option.
+    (setq exp-plist (plist-put exp-plist :table-of-contents sdepth))
+
+    ;; The table of contents should not show more sections then we generate
+    (setq tdepth (min tdepth sdepth))
+    (push (cons "TOC_DEPTH" tdepth) s)
+
+    (setq s (mapconcat
+	     (lambda (x) (format "org_html_manager.set(\"%s\", \"%s\");"
+				 (car x) (cdr x)))
+	     s "\n"))
+    (when (and s (> (length s) 0))
+      (and (string-match "%MANAGER_OPTIONS" template)
+	   (setq s (replace-match s t t template))
+	   (setq exp-plist
+		 (plist-put
+		  exp-plist :style-extra
+		  (concat (or (plist-get exp-plist :style-extra) "") "\n" s)))))
+    ;; This script absolutely needs the table of contents, to we change that
+    ;; setting
+    (if (not (plist-get exp-plist :table-of-contents))
+	(setq exp-plist (plist-put exp-plist :table-of-contents t)))
+    ;; Return the modified property list
+    exp-plist)))
+
+(defun org-infojs-options-inbuffer-template ()
+  (format "#+INFOJS_OPT: view:%s toc:%s ltoc:%s mouse:%s buttons:%s path:%s"
+	  (if (eq t org-export-html-use-infojs) (cdr (assoc 'view org-infojs-options)) nil)
+	  (let ((a (cdr (assoc 'toc org-infojs-options))))
+	    (cond ((memq a '(nil t)) a)
+		  (t (plist-get (org-infile-export-plist) :table-of-contents))))
+	  (if (equal (cdr (assoc 'ltoc org-infojs-options)) "1") t nil)
+	  (cdr (assoc 'mouse org-infojs-options))
+	  (cdr (assoc 'buttons org-infojs-options))
+	  (cdr (assoc 'path org-infojs-options))))
+
+(provide 'org-infojs)
+(provide 'org-jsinfo)
+
+;; arch-tag: c71d1d85-3337-4817-a066-725e74ac9eac
+
+;;; org-jsinfo.el ends here