jao-org-links: extending doc: to deal with pdfs and page numbers

1 files changed, 66 insertions, 26 deletions

diff --git a/org/jao-org-links.el b/org/jao-org-links.el
index bd3512e..b34bb06 100644
--- a/org/jao-org-links.el
+++ b/org/jao-org-links.el
@@ -1,44 +1,65 @@
 (require 'jao-org-utils)
-(require 'jao-org-pdfview)
 
-(jao-when-darwin
- (require 'jao-devon)
-
- (autoload 'jao-as-safari-doc "jao-applescript.el")
-
- (defun jao-org-insert-devon-link ()
-  (interactive)
-  (insert (jao-devon-selection)))
-
- (defun jao-org-insert-safari-link ()
-  (interactive)
-  (let ((ln (jao-as-safari-doc)))
-    (when ln (jao-org-insert-link (car ln) (cdr ln)))))
-
- (org-add-link-type "x-devonthink-item" 'jao-devon-open 'identity)
+(defvar jao-org--sink-dir "./")
 
- (define-key org-mode-map "\C-cd" 'jao-org-insert-devon-link)
- (define-key org-mode-map "\C-cs" 'jao-org-insert-safari-link))
+(defun jao-org--pdf-p (file) (string-match-p ".*\\.pdf$" file))
 
-(defvar jao-org--sink-dir "./")
+(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))))
+           (org-open-file path 1)
+           (pdf-view-goto-page page)
+           (image-set-window-vscroll
+            (round (/ (* height (cdr (pdf-view-image-size))) (frame-char-height))))))
+        ((string-match "\\(.*\\)::\\([0-9]+\\)$"  link)
+         (let* ((path (match-string 1 link))
+                (page (string-to-number (match-string 2 link))))
+           (org-open-file path 1)
+           (pdf-view-goto-page page)))
+        (t
+         (org-open-file link 1))))
 
-(defun jao-org-follow-doc (link)
-  (let ((dest-path (concat org-directory "/doc/" link)))
+(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))))
-    (browse-url (format "file://%s" (expand-file-name  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-complete-doc (&optional arg)
+(defun jao-org-links--complete-doc (&optional arg)
   (let ((default-directory jao-org--sink-dir))
-    (replace-regexp-in-string "^file:" "doc:" (org-file-complete-link arg))))
+    (let ((f (replace-regexp-in-string "^file:" "doc:"
+                                       (org-file-complete-link arg))))
+      (if (jao-org--pdf-p p)
+          (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 ()
+  (let ((base (file-name-base (pdf-view-buffer-file-name))))
+    (capitalize (replace-regexp-in-string "-" " " base))))
+
+(defun jao-org-links--store-pdf-link ()
+  (when (eq major-mode 'pdf-view-mode)
+    (let ((path buffer-file-name)
+          (page (pdf-view-current-page)))
+      (org-store-link-props
+       :type "doc"
+       :link (format "doc:%s::%d" (file-name-nondirectory path) page)
+       :description (format "%s (p. %d)" (jao-org--pdf-title) page)))))
+
 ;;;###autoload
 (defun jao-org-insert-doc (title)
   (interactive "sDocument title: ")
@@ -47,8 +68,27 @@
 ;;;###autoload
 (defun jao-org-links-setup (sink-dir)
   (org-link-set-parameters "doc"
-                           :follow #'jao-org-follow-doc
-                           :complete #'jao-org-complete-doc)
+                           :follow #'jao-org-links--follow-doc
+                           :complete #'jao-org-links--complete-doc
+                           :store #'jao-org-links--store-pdf-link)
   (setq jao-org--sink-dir (file-name-as-directory sink-dir)))
 
+(defun jao-org--open-other (otp)
+  (let ((rxs ))))
+
+;;;###autoload
+(defun jao-org-pdf-goto-org (arg)
+  (interactive "P")
+  (when (jao-org--pdf-p buffer-file-name)
+    (let* ((file (replace-regexp-in-string "/doc/\\(.+\\)\\.pdf$"
+                                           "/notes/\\1.org"
+                                           buffer-file-name))
+           (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
+        (insert "#+title: " title "\n#+author:\n#+startup: latexpreview\n\n")
+        (org-insert-link)))))
+
 (provide 'jao-org-links)