Set org-directory and always open file org links in Emacs

emacs/init.org

@@ -1367,7 +1367,8 @@ Notes, agenda, calendar, blogging, journaling, etc.
   (leader-def-key "oa" 'org-agenda)
   (leader-def-key "oc" 'org-capture)
   (setq org-src-fontify-natively t
-	org-ellipsis " ▼")
+	org-ellipsis " ▼"
+	org-directory (concat (get-dropbox-directory) "/org"))
 #+END_SRC
 
 Use RET to follow links:
@@ -1383,6 +1384,12 @@ Always show inline images:
       (org-redisplay-inline-images)))
 #+END_SRC
 
+Always open directory links in Emacs instead of Finder:
+#+BEGIN_SRC emacs-lisp
+  (with-eval-after-load 'org
+    (add-to-list 'org-file-apps '(directory . emacs)))
+#+END_SRC
+
 ** Agenda files
 #+BEGIN_SRC emacs-lisp
   (defun agenda-files (&optional file)