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emacs.d/elpa/ivy-bibtex-20180609.346/ivy-bibtex.el
Mateus Pinto Rodrigues f6ec2ebf59 Update packages/ Add org-ref
2018-06-11 13:50:46 -03:00

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EmacsLisp

;;; ivy-bibtex.el --- A bibliography manager based on Ivy
;; Author: Justin Burkett <justin@burkett.cc>
;; Maintainer: Titus von der Malsburg <malsburg@posteo.de>
;; Version: 1.0.0
;; Package-Requires: ((swiper "0.7.0") (parsebib "1.0") (s "1.9.0") (dash "2.6.0") (f "0.16.2") (cl-lib "0.5") (biblio "0.2"))
;; This program 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.
;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; A BibTeX bibliography manager based on Ivy and the
;; bibtex-completion backend. If you are familiar with helm-bibtex,
;; this is the ivy version.
;;
;; News:
;; - 09/06/2018: Added virtual APA field `author-or-editor` for use in
;; notes templates.
;; - 02/06/2018: Reload bibliography proactively when bib files are
;; changed.
;; - 21/10/2017: Added support for multiple PDFs and other file
;; types. See `bibtex-completion-pdf-extension' and
;; `bibtex-completion-find-additional-pdfs' for details.
;; - 10/10/2017: Added support for ~@string~ constants.
;; - 02/10/2017: Date field is used when year is undefined.
;; - 29/09/2017: BibTeX entry, citation macro, or org-bibtex entry at
;; point, will be pre-selected in helm-bibtex and ivy-bibtex giving
;; quick access to PDFs and other functions.
;;
;; See NEWS.org for old news.
;;
;; Key features:
;; - Quick access to your bibliography from within Emacs
;; - Tightly integrated workflows
;; - Provides instant search results as you type
;; - Powerful search expressions
;; - Open the PDFs, URLs, or DOIs associated with an entry
;; - Insert LaTeX cite commands, Ebib links, or Pandoc citations,
;; BibTeX entries, or plain text references at point, attach PDFs to
;; emails
;; - Attach notes to publications
;;
;; Install:
;;
;; Put this file in a directory included in your load path or
;; install ivy-bibtex from MELPA (preferred). Then add the
;; following in your Emacs startup file:
;;
;; (require 'ivy-bibtex)
;;
;; Alternatively, you can use autoload:
;;
;; (autoload 'ivy-bibtex "ivy-bibtex" "" t)
;;
;; Requirements are parsebib, swiper, s, dash, and f. The easiest way
;; to install these packages is through MELPA.
;;
;; Let ivy-bibtex know where it can find your bibliography by
;; setting the variable `bibtex-completion-bibliography'. See the
;; manual for more details:
;;
;; https://github.com/tmalsburg/helm-bibtex/blob/master/README.ivy-bibtex.org
;;
;; Usage:
;;
;; Do M-x ivy-bibtex and start typing a search query when prompted.
;;; Code:
(require 'ivy)
(require 'bibtex-completion)
(defcustom ivy-bibtex-default-action 'ivy-bibtex-open-any
"The default action for the `ivy-bibtex` command."
:group 'bibtex-completion
:type 'function)
(defun ivy-bibtex-display-transformer (candidate)
(let* ((width (1- (frame-width)))
(idx (get-text-property 0 'idx candidate))
(entry (cdr (nth idx (ivy-state-collection ivy-last)))))
(bibtex-completion-format-entry entry width)))
(defmacro ivy-bibtex-ivify-action (action name)
"Wraps the function ACTION in another function named NAME which
extracts the key from the candidate selected in ivy and passes it
to ACTION."
`(defun ,name (candidate)
(let ((key (cdr (assoc "=key=" (cdr candidate)))))
(,action (list key)))))
(ivy-bibtex-ivify-action bibtex-completion-open-any ivy-bibtex-open-any)
(ivy-bibtex-ivify-action bibtex-completion-open-pdf ivy-bibtex-open-pdf)
(ivy-bibtex-ivify-action bibtex-completion-open-url-or-doi ivy-bibtex-open-url-or-doi)
(ivy-bibtex-ivify-action bibtex-completion-insert-citation ivy-bibtex-insert-citation)
(ivy-bibtex-ivify-action bibtex-completion-insert-reference ivy-bibtex-insert-reference)
(ivy-bibtex-ivify-action bibtex-completion-insert-key ivy-bibtex-insert-key)
(ivy-bibtex-ivify-action bibtex-completion-insert-bibtex ivy-bibtex-insert-bibtex)
(ivy-bibtex-ivify-action bibtex-completion-add-PDF-attachment ivy-bibtex-add-PDF-attachment)
(ivy-bibtex-ivify-action bibtex-completion-edit-notes ivy-bibtex-edit-notes)
(ivy-bibtex-ivify-action bibtex-completion-show-entry ivy-bibtex-show-entry)
(ivy-bibtex-ivify-action bibtex-completion-add-pdf-to-library ivy-bibtex-add-pdf-to-library)
(defun ivy-bibtex-fallback (search-expression)
"Select a fallback option for SEARCH-EXPRESSION. This is meant
to be used as an action in `ivy-read`, with `ivy-text` as search
expression."
(ivy-read "Fallback options: "
(bibtex-completion-fallback-candidates)
:caller 'ivy-bibtex-fallback
:action (lambda (candidate) (bibtex-completion-fallback-action (cdr candidate) search-expression))))
;;;###autoload
(defun ivy-bibtex (&optional arg local-bib)
"Search BibTeX entries using ivy.
With a prefix ARG the cache is invalidated and the bibliography
reread.
If LOCAL-BIB is non-nil, display that the BibTeX entries are read
from the local bibliography. This is set internally by
`ivy-bibtex-with-local-bibliography'."
(interactive "P")
(when arg
(bibtex-completion-clear-cache))
(bibtex-completion-init)
(let* ((candidates (bibtex-completion-candidates))
(key (bibtex-completion-key-at-point))
(preselect (and key
(cl-position-if (lambda (cand)
(member (cons "=key=" key)
(cdr cand)))
candidates))))
(ivy-read (format "BibTeX entries%s: " (if local-bib " (local)" ""))
candidates
:preselect preselect
:caller 'ivy-bibtex
:action ivy-bibtex-default-action)))
;;;###autoload
(defun ivy-bibtex-with-local-bibliography (&optional arg)
"Search BibTeX entries with local bibliography.
With a prefix ARG the cache is invalidated and the bibliography
reread."
(interactive "P")
(let* ((local-bib (bibtex-completion-find-local-bibliography))
(bibtex-completion-bibliography (or local-bib
bibtex-completion-bibliography)))
(ivy-bibtex arg local-bib)))
(ivy-set-display-transformer
'ivy-bibtex
'ivy-bibtex-display-transformer)
(ivy-set-actions
'ivy-bibtex
'(("p" ivy-bibtex-open-pdf "Open PDF file (if present)")
("u" ivy-bibtex-open-url-or-doi "Open URL or DOI in browser")
("c" ivy-bibtex-insert-citation "Insert citation")
("r" ivy-bibtex-insert-reference "Insert reference")
("k" ivy-bibtex-insert-key "Insert BibTeX key")
("b" ivy-bibtex-insert-bibtex "Insert BibTeX entry")
("a" ivy-bibtex-add-PDF-attachment "Attach PDF to email")
("e" ivy-bibtex-edit-notes "Edit notes")
("s" ivy-bibtex-show-entry "Show entry")
("l" ivy-bibtex-add-pdf-to-library "Add PDF to library")
("f" (lambda (_candidate) (ivy-bibtex-fallback ivy-text)) "Fallback options")))
(provide 'ivy-bibtex)
;; Local Variables:
;; byte-compile-warnings: (not cl-functions obsolete)
;; coding: utf-8
;; indent-tabs-mode: nil
;; End:
;;; ivy-bibtex.el ends here