From dc7806b748effca4ea57a165df0fff33b1f83ef3 Mon Sep 17 00:00:00 2001
From: Kyle Meyer <kyle@kyleam.com>
Date: Fri, 7 Feb 2014 01:23:35 -0500
Subject: ENH: Make compatible with single BibTeX file

---
 README.org   | 14 ++++++++------
 bog-todo.org |  3 ++-
 bog.el       | 32 +++++++++++++++++++++++++++++---
 3 files changed, 39 insertions(+), 10 deletions(-)

diff --git a/README.org b/README.org
index ba2dc9c..110632d 100644
--- a/README.org
+++ b/README.org
@@ -98,13 +98,15 @@ heading that is a study.
 
 ** Opening a BibTeX file
 
-All BibTeX files are kept in a single directory and are named as
-<citekey>.bib. The function =bog-find-citekey-bib= will open the BibTeX
-file associated with a citekey. The citekey is obtained in the same way
-as the [[Opening a PDF file][PDF citekey]].
+The function =bog-find-citekey-bib= will open the BibTeX entry
+associated with a citekey.
 
-Although I prefer the above setup, using a single for all entries is
-more common, so I plan to add support for this (see [[./bog-todo.org][bog-todo.org]]).
+The citekey is obtained in the same way as the [[Opening%20a%20PDF%20file][PDF citekey]].
+
+BibTeX entries can be stored in one of two ways:
+
+1. As a single file with many entries
+2. As single-entry files named <citekey>.bib within a common directory
 
 ** Searching citekey on the web
 
diff --git a/bog-todo.org b/bog-todo.org
index 067f3a7..fd4a0ae 100644
--- a/bog-todo.org
+++ b/bog-todo.org
@@ -45,7 +45,8 @@ Redefine org refile targets.
 
 * BibTeX files
 
-** ENH [#A] Make `bog-find-citekey-bib' compatible with a single BibTeX file
+** DONE [#A] Make `bog-find-citekey-bib' compatible with a single BibTeX file
+   CLOSED: [2014-02-07 Fri 01:16]
 
 ** ENH Create combined bib from a suffix glob
 
diff --git a/bog.el b/bog.el
index 14777bc..596a65b 100644
--- a/bog.el
+++ b/bog.el
@@ -88,9 +88,29 @@ rename."
   :group 'bog
   :type 'string)
 
+(defcustom bog-find-citekey-bib-func 'bog-find-citekey-bib-file
+  "Function used to find BibTeX entry for citekey.
+
+Default is `bog-find-citekey-bib-file' that locates single entry
+BibTeX files in `bog-bib-directory'.
+
+The other option is `bog-find-citekey-entry' that searches within
+a single BibTeX file, `bog-bib-file', for the citekey entry."
+  :group 'bog
+  :type 'function)
+
 (defcustom bog-bib-directory
   (expand-file-name "bibs" bog-notes-directory)
-  "The name of the directory that BibTeX files are stored in."
+  "The name of the directory that BibTeX files are stored in.
+This is only meaningful if `bog-find-citekey-bib-func' set to
+`bog-find-citekey-bib-file'."
+  :group 'bog
+  :type 'string)
+
+(defcustom bog-bib-file nil
+  "BibTeX file name.
+This is only meaningful if `bog-find-citekey-bib-func' set to
+`bog-find-citekey-entry'."
   :group 'bog
   :type 'string)
 
@@ -273,16 +293,22 @@ available citekeys. Otherwise, the citekey will be taken from the
 text under point if it matches `bog-citekey-format' or using
 `bog-citekey-func'."
   (interactive "P")
-  (bog-citekey-action 'bog-open-citekey-bib
+  (bog-citekey-action bog-find-citekey-bib-func
                       '(lambda () (bog-select-citekey (bog-bib-citekeys)))
                       arg))
 
-(defun bog-open-citekey-bib (citekey)
+(defun bog-find-citekey-bib-file (citekey)
+  "Open BibTeX file of CITEKEY contained in `bog-bib-directory'."
   (let ((bib-file (bog-citekey-as-bib citekey)))
     (unless (file-exists-p bib-file)
       (error "%s does not exist" bib-file))
     (find-file-other-window bib-file)))
 
+(defun bog-find-citekey-entry (citekey)
+  "Search for CITEKEY in `bog-bib-file'."
+  (find-file-other-window bog-bib-file)
+  (bibtex-search-entry citekey))
+
 ;;;###autoload
 (defun bog-rename-and-clean-new-bib-files ()
   "Prepare new BibTeX files.
-- 
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