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Diffstat (limited to 'lib/doc/jao-org-links.el')
| -rw-r--r-- | lib/doc/jao-org-links.el | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/lib/doc/jao-org-links.el b/lib/doc/jao-org-links.el new file mode 100644 index 0000000..ee6af7c --- /dev/null +++ b/lib/doc/jao-org-links.el @@ -0,0 +1,169 @@ +;; -*- lexical-binding: t; -*- + +(require 'jao-maildir) +(require 'pdf-info) + +(defvar jao-org--sink-dir "./") +(defvar jao-org-open-pdf-fun 'jao-org--pdf-tools-open) + +(defun jao-org--pdf-go (page height) + (when page (pdf-view-goto-page page)) + (when height + (image-set-window-vscroll + (round (/ (* height (cdr (pdf-view-image-size))) (frame-char-height)))))) + +(defun jao-org--pdf-tools-open (path page &optional height) + (org-open-file path 1) + (jao-org--pdf-go path page)) + +(defun jao-org--pdf-open (path page &optional height) + (funcall (or jao-org-open-pdf-fun 'jao-org--pdf-tools-open) path page height)) + +(defun jao-org--pdf-p (file) (string-match-p ".*\\.pdf$" file)) + +(defun jao-org-links--open-pdf (link) + "Open LINK in pdf-view-mode." + (require 'pdf-tools) + (cond ((string-match "\\(.*\\)::\\([0-9]*\\)\\+\\+\\([[0-9]\\.*[0-9]*\\)" link) + (let* ((path (match-string 1 link)) + (page (string-to-number (match-string 2 link))) + (height (string-to-number (match-string 3 link)))) + (jao-org--pdf-open path page height))) + ((string-match "\\(.*\\)::\\([0-9]+\\)$" link) + (let* ((path (match-string 1 link)) + (page (max 1 (string-to-number (match-string 2 link))))) + (jao-org--pdf-open path page))) + (t (jao-org--pdf-open link nil)))) + +(defun jao-org-links--follow-doc (link) + (let* ((full-link (concat org-directory "/doc/" link)) + (dest-path (car (split-string full-link "::")))) + (when (not (file-exists-p dest-path)) + (let* ((sink-file (expand-file-name link jao-org--sink-dir)) + (real-file (if (file-exists-p sink-file) sink-file + (read-file-name "Import file: " + jao-org--sink-dir link link)))) + (shell-command (format "mv %s %s" real-file dest-path)))) + (if (jao-org--pdf-p dest-path) + (jao-org-links--open-pdf full-link) + (browse-url (format "file://%s" (expand-file-name dest-path)))))) + +(defun jao-org-links--complete-doc (&optional arg) + (let ((default-directory jao-org--sink-dir)) + (let ((f (replace-regexp-in-string "^file:" "doc:" + (org-file-complete-link arg)))) + (if (jao-org--pdf-p f) + (concat f "::" (read-from-minibuffer "Page: " "1")) + f)))) + +(defsubst jao-org--title->file (title) + (concat (mapconcat 'downcase (split-string title nil t) "-") ".pdf")) + +(defun jao-org--pdf-title (&optional fname) + (let ((base (file-name-base (or fname (pdf-view-buffer-file-name))))) + (capitalize (replace-regexp-in-string "-" " " base)))) + +(defvar-local jao--pdf-outline nil) + +(defun jao-org--pdf-section-title (&optional page) + (when (not jao--pdf-outline) + (setq-local jao--pdf-outline (pdf-info-outline))) + (let ((page (or page (pdf-view-current-page))) + (outline jao--pdf-outline) + (cur-page 0) + (cur-title (jao-org--pdf-title))) + (while (and (car outline) (< cur-page page)) + (setq cur-page (cdr (assoc 'page (car outline)))) + (when (<= cur-page page) + (setq cur-title (cdr (assoc 'title (car outline))))) + (setq outline (cdr outline))) + (replace-regexp-in-string "[[:blank:]]+" " " cur-title))) + +(defun jao-org-links-open-mail (fname) + (let ((group (jao-maildir-file-to-group fname)) + (id (with-temp-buffer + (insert-file fname) + (goto-char (point-min)) + (message-mode) + (not-modified) + (message-fetch-field "Message-ID")))) + (when (and group id) (org-gnus-follow-link group id)))) + +;;;###autoload +(defvar jao-org-links-pdf-store-fun nil) + +(defun jao-org-links--store-pdf-link () + (or (when (fboundp jao-org-links-pdf-store-fun) + (funcall jao-org-links-pdf-store-fun)) + (when (derived-mode-p 'pdf-view-mode) + (jao-org-links-store-pdf-link buffer-file-name + (pdf-view-current-page) + (jao-org--pdf-section-title))))) + +;;;###autoload +(defun jao-org-links-store-pdf-link (path page title) + (org-store-link-props + :type "doc" + :link (format "doc:%s::%d" (file-name-nondirectory path) page) + :description (format "%s (p. %d)" title page))) + +;;;###autoload +(defun jao-org-insert-doc (title) + (interactive "sDocument title: ") + (insert (format "[[doc:%s][%s]]" (jao-org--title->file title) title))) + +;;;###autoload +(defun jao-org-links-setup (sink-dir) + (interactive) + (org-link-set-parameters "doc" + :follow #'jao-org-links--follow-doc + :complete #'jao-org-links--complete-doc + :store #'jao-org-links--store-pdf-link) + (org-link-set-parameters "message" :follow #'jao-org-links-open-mail) + (setq jao-org--sink-dir (file-name-as-directory sink-dir))) + +(defvar jao-doc-notes-dir) + +;;;###autoload +(defun jao-org-org-to-pdf-file () + (expand-file-name (concat "doc/" (file-name-base buffer-file-name) ".pdf") + jao-org-notes-dir)) + +;;;###autoload +(defun jao-org-pdf-to-org-file (&optional file-name) + (let* ((file-name (or file-name buffer-file-name)) + (bn (file-name-base file-name)) + (rx (format "%s\\.org$" (regexp-quote bn)))) + (save-some-buffers nil + (lambda () + (string-prefix-p jao-org-notes-dir buffer-file-name))) + (or (car (directory-files-recursively jao-org-notes-dir rx)) + (let* ((dirs (seq-difference (directory-files jao-org-notes-dir) + '("." ".." "attic"))) + (dir (completing-read "Notes subdir: " dirs nil t))) + (expand-file-name (concat dir "/" bn ".org") jao-org-notes-dir))))) + +;;;###autoload +(defun jao-org-insert-doc-skeleton (&optional title) + (insert "#+title: " (or title (jao-org--pdf-title (buffer-file-name))) + "\n#+author:\n#+startup: latexpreview\n\n")) + +;;;###autoload +(defun jao-org-pdf-goto-org (arg) + (interactive "P") + (when (jao-org--pdf-p buffer-file-name) + (let* ((file (jao-org-pdf-to-org-file)) + (new (not (file-exists-p file))) + (title (jao-org--pdf-title))) + (when (or arg new) (org-store-link nil t)) + (find-file-other-window file) + (when new + (jao-org-insert-doc-skeleton title) + (org-insert-link))))) + +;;;###autoload +(defun jao-org-pdf-goto-org* () + (interactive) + (jao-org-pdf-goto-org t)) + +(provide 'jao-org-links) |