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;;; oni-css-mode-init.el --- CSS Mode configuration -*- lexical-binding: t; -*-
;; Copyright (C) 2018 Tom Willemse
;; Author: Tom Willemse <tom@ryuslash.org>
;; Keywords: local
;; 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 <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Configuration for `css-mode'.
;;; Code:
(require 'css-mode)
(require 'hydra)
(eval-when-compile (require 'compile))
(defun oni:css-property-important-p ()
"Return whether or not the current property is important."
(save-excursion
(beginning-of-line)
(re-search-forward "!important" (line-end-position) :noerror)))
(defun oni:css-add-important ()
"Add an important flag to the property on the current line."
(interactive)
(unless (oni:css-property-important-p)
(save-excursion
(end-of-line)
(when (re-search-backward ";" (line-beginning-position) :noerror)
(insert " !important")))))
(defun oni:css-remove-important ()
"Remove the important flag from the property on the current line."
(interactive)
(when (oni:css-property-important-p)
(save-excursion
(end-of-line)
(when (re-search-backward " !important" (line-beginning-position) :noerror)
(replace-match "")))))
(defun oni-css-mode-init--toggle-important ()
"Toggle the important flag on the property on the current line."
(interactive)
(if (oni:css-property-important-p)
(oni:css-remove-important)
(oni:css-add-important)))
(setq css-indent-offset 2)
(add-hook 'css-mode-hook 'electric-pair-local-mode)
(add-hook 'css-mode-hook 'electric-indent-local-mode)
(add-hook 'css-mode-hook 'company-mode)
(add-hook 'css-mode-hook 'fci-mode)
(with-eval-after-load 'compile
(defvar oni:scss-error-regexp
(rx (and bol
(zero-or-more space) "on line "
(group (one-or-more digit)) " of "
(group (one-or-more (or word punct (syntax symbol))))
eol)))
(add-to-list 'compilation-error-regexp-alist
(list oni:scss-error-regexp 2 1 nil 2 2)))
(defhydra css-mode-hydra (:color blue)
("!" oni-css-mode-init--toggle-important))
(define-key css-mode-map (kbd "C-c m") #'css-mode-hydra/body)
(provide 'oni-css-mode-init)
;;; oni-css-mode-init.el ends here
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