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;;; ravi-init-org.el --- org initialization
;; Copyright (C) 2014
;; Author: <ravi@nero>
;; Keywords:
;; 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:
;; Org mode initialization
;;; Code:
;; This brings in emacs-zmq, which requires static libstdc++.a
(use-package jupyter
:commands (jupyter-run-server-repl
jupyter-run-repl
jupyter-server-list-kernels))
(defconst ravi/mathjax-v3-file "./MathJax/tex-chtml-full.js"
"MathJax file for v3")
(defconst ravi/mathjax-v2-file "./MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML"
"MathJax file for v2")
;; https://emacs.stackexchange.com/questions/20574/default-inline-image-background-in-org-mode
(defvar ravi/inline-image-background nil
"The color used as the default background for inline images.
When nil, use the default face background.")
(defun ravi/create-image-with-background-color (args)
"Specify background color of Org-mode inline image through modify `ARGS'."
(let* ((file (car args))
(type (cadr args))
(data-p (caddr args))
(props (cdddr args)))
;; Get this return result style from `create-image'.
(append (list file type data-p)
(list :background (or ravi/inline-image-background (face-background 'default)))
props)))
(advice-add 'create-image :filter-args
#'ravi/create-image-with-background-color)
(use-package org
:ensure org-plus-contrib
:mode ("\\.org\\'" . org-mode)
;; The following lines are always needed. Choose your own keys.
:bind (("C-c l" . org-store-link)
("H-o" . org-capture)
("H--" . org-agenda))
:config
(progn
(use-package htmlize :ensure t)
(use-package ox-reveal
:config
(setq org-reveal-slide-number nil)
(setq org-reveal-theme "night")
(setq org-reveal-transition "linear")
(setq org-reveal-mathjax t)
(setq org-reveal-mathjax-url ravi/mathjax-v3-file))
(use-package ox-rst)
(use-package ox-impress-js :disabled t)
;; Default file locations
(setq org-directory "~/Documents/org")
(defvar ravi/one-org-agenda-file (expand-file-name "agenda.files" org-directory))
(setq org-agenda-files ravi/one-org-agenda-file)
(unless (file-exists-p ravi/one-org-agenda-file)
;; http://stackoverflow.com/a/14072295/1219634
;; touch `ravi/one-org-agenda-file'
(write-region "" :ignore ravi/one-org-agenda-file))
(setq org-default-notes-file (expand-file-name "notes.org" org-directory))
(setq org-refile-targets
'((nil :maxlevel . 3)
(org-agenda-files :maxlevel . 3)))
(setq org-src-fontify-natively t)
(setq org-modules '(ol-bbdb ol-bookmark ol-git-link ol-info ol-man org-id))
(setq org-use-speed-commands t)
;; Respect theme for code block output if enabled
;; https://emacs.stackexchange.com/questions/3374/set-the-background-of-org-exported-code-blocks-according-to-theme
;; Code above was modified to
;; - use hexadecimal color values to avoid color names
;; - modify org-html-head-extra only if colors were not already present; otherwise
;; we end up appending to it on every export
(defvar ravi/org-html-code-block-parameter-set nil
"Set foreground and background for code blocks according to theme")
(defun ravi/org-inline-css-hook (exporter)
"Insert custom inline css to automatically set the
background of code according to theme"
(when (and (eq exporter 'html)
;; To do: only if htmlize is used
ravi/org-html-code-block-parameter-set)
(let* ((converter (lambda (x) (apply #'color-rgb-to-hex
(flatten-list (list (color-name-to-rgb x) 2)))))
(pre-bg (funcall converter (face-background 'default)))
(pre-fg (funcall converter (face-foreground 'default)))
(extra (format "<style type=\"text/css\">\n pre.src {background-color: %s; color: %s;}</style>\n"
pre-bg pre-fg)))
(unless (and org-html-head-extra
(string-match (regexp-quote extra) org-html-head-extra))
(set (make-local-variable 'org-html-head-extra)
(concat org-html-head-extra extra))))))
(add-hook 'org-export-before-processing-hook 'ravi/org-inline-css-hook)
(defun ravi/org-color-customization ()
"Color customization for org mode"
(setq ravi/org-html-code-block-parameter-set t)
(set (make-local-variable 'ravi/inline-image-background) "white"))
(add-hook 'org-mode-hook #'ravi/org-color-customization)
;; don't prompt me to confirm everytime I want to evaluate a block
(setq org-confirm-babel-evaluate nil)
;; display/update images in the buffer after I evaluate
(add-hook 'org-babel-after-execute-hook 'org-display-inline-images 'append)
;; Needs java-$VERSION-openjdk or equivalent
(defvar ravi/plantuml-jar-path "/usr/share/java/plantuml.jar"
"Path to plantuml jar file")
(setq org-plantuml-jar-path ravi/plantuml-jar-path)
(defvar ravi/ditaa-jar-path "/usr/share/java/ditaa.jar"
"Path to ditaa jar file")
(setq org-ditaa-jar-path ravi/ditaa-jar-path)
(add-to-list 'org-src-lang-modes '("plantuml" . plantuml))
(org-babel-do-load-languages 'org-babel-load-languages
'((python . t)
(shell . t)
(latex . t)
(ditaa . t)
(dot . t)
(plantuml . t)
(emacs-lisp . t)
(jupyter . t))))) ; jupyter must be last
(use-package org-capture
:defer t
:ensure nil
:config
(when (fboundp 'ravi/setup-org-capture)
(ravi/setup-org-capture)))
(provide 'ravi-init-org)
;;; ravi-init-org.el ends here
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