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the-org-mode-expansions.el
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the-org-mode-expansions.el
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;;; the-org-mode-expansions.el --- Expansions for expand-region to be used in org-mode -*- lexical-binding: t; -*-
;; Copyright (C) 2012-2023 Free Software Foundation, Inc
;; Author: Magnar Sveen
;; Based on text-mode-expansions by: Ivan Andrus
;; Keywords: marking region
;; 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:
;; The file needs to be weirdly name (prefixed with the-) to avoid
;; conflict with org-reload, which bases its functionality on the names
;; of files, for some reason.
;;
;; Feel free to contribute any other expansions for org-mode at
;;
;; https://github.com/magnars/expand-region.el
;;; Code:
(require 'expand-region-core)
(require 'er-basic-expansions)
(require 'org-macs)
(require 'org-element)
(declare-function org-up-element "org")
(declare-function org-mark-subtree "org")
(defun er/mark-org-element ()
(interactive)
(let* ((el (org-element-at-point))
(begin (plist-get (cadr el) :begin))
(end (plist-get (cadr el) :end)))
(goto-char begin)
(set-mark (point))
(goto-char end)
(exchange-point-and-mark)))
(defun er/mark-org-element-parent ()
(interactive)
(let* ((el (plist-get (cadr (org-element-at-point)) :parent))
(begin (plist-get (cadr el) :begin))
(end (plist-get (cadr el) :end)))
(when (and begin end)
(goto-char begin)
(set-mark (point))
(goto-char end)
(exchange-point-and-mark))))
(defun er/mark-sentence ()
"Marks one sentence."
(interactive)
(forward-char 1)
(backward-sentence 1)
(set-mark (point))
(forward-sentence 1)
(exchange-point-and-mark))
(defun er/mark-paragraph ()
"Marks one paragraph."
(interactive)
(mark-paragraph)
(exchange-point-and-mark)
(skip-chars-backward er--space-str)
(exchange-point-and-mark)
(skip-chars-forward er--space-str))
(defun er/mark-org-code-block ()
"Marks an org-code-block."
(interactive)
(let ((case-fold-search t)
(re "#\\+begin_\\(\\sw+\\)"))
(unless (looking-at re)
(search-backward-regexp re))
(set-mark (point))
(search-forward (concat "#+end_" (match-string 1)))
(exchange-point-and-mark)))
(defun er/mark-org-parent ()
"Marks a heading 1 level up from current subheading"
(interactive)
(org-up-element)
(org-mark-subtree))
(defun er/save-org-mode-excursion (action)
"Save outline visibility while expanding in org-mode"
(org-save-outline-visibility t
(funcall action)))
(defun er/add-org-mode-expansions ()
"Adds org-specific expansions for buffers in org-mode"
(set (make-local-variable 'er/try-expand-list)
(append
(remove #'er/mark-defun er/try-expand-list)
'(org-mark-subtree
er/mark-org-element
er/mark-org-element-parent
er/mark-org-code-block
er/mark-sentence
er/mark-org-parent
er/mark-paragraph)))
(set (make-local-variable 'er/save-mode-excursion)
#'er/save-org-mode-excursion))
(er/enable-mode-expansions 'org-mode #'er/add-org-mode-expansions)
(provide 'the-org-mode-expansions)