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;;; oni-css.el --- CSS configuration -*- lexical-binding: t; -*-
;; Copyright (C) 2019 Tom Willemse
;; Author: Tom Willemse <tom@ryuslash.org>
;; Keywords: local
;; Version: 2019.0904.210438
;; Package-Requires: (oni-company oni-fci hydra rainbow-mode yasnippet)
;; 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' and `scss-mode'.
;;; Code:
(require 'align)
(require 'css-mode)
(require 'hydra)
(require 'yasnippet)
(eval-when-compile
(require 'compile)
(require 'grep))
(defconst oni-css-root
(file-name-directory
(or load-file-name
(buffer-file-name)))
"The directory where ‘oni-css’ was loaded from.")
(defconst oni-css-snippets-dir
(expand-file-name "snippets" oni-css-root)
"The directory where ‘oni-css’ stores its snippets.")
(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")))))
;;;###autoload
(defun oni-css-snippets-initialize ()
"Initialize the snippets for ‘oni-css’."
(when (boundp 'yas-snippet-dirs)
(add-to-list 'yas-snippet-dirs oni-css-snippets-dir t))
(yas-load-directory oni-css-snippets-dir))
(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)))
(defhydra css-mode-hydra (:color blue)
("!" oni-css-mode-init--toggle-important))
(setq css-indent-offset 2)
(add-hook 'css-mode-hook 'company-mode)
(add-hook 'css-mode-hook 'electric-indent-local-mode)
(add-hook 'css-mode-hook 'electric-pair-local-mode)
(add-hook 'css-mode-hook 'fci-mode)
(add-hook 'css-mode-hook 'rainbow-mode)
(with-eval-after-load 'compile
(let ((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 scss-error-regexp 2 1 nil 2 2))))
(define-key css-mode-map (kbd "C-c m") #'css-mode-hydra/body)
;; Align CSS files like so:
;; body { color: #ffffff; }
;; .some-class { background-color: #ffffff; }
;; #some-id { width: 200px; }
;; .some-more-class {
;; color: #ffffff;
;; background-color: #ffffff;
;; width: 200px;
;; }
;; Keep these in order. They are each added to the _front_ of the
;; list and are applied in order. Changing their order will change
;; the results.
(add-to-list 'align-rules-list
`(css-closing-brace
(regexp . ,(rx (group (0+ whitespace)) "}" eol))
(group . (1))
(modes . '(scss-mode css-mode))))
(add-to-list 'align-rules-list
`(css-colons
(regexp . ,(rx bol
(0+ whitespace)
(1+ (any (?a . ?z) ?- ?$))
":"
(group (0+ whitespace))
(0+ nonl)
";"
eol))
(group . (1))
(modes . '(scss-mode css-mode))
(repeat . t)))
(add-to-list 'align-rules-list
`(css-opening-brace
(regexp . ,(rx bol
(0+ whitespace)
(0+ (any ?# ?. ?, ?\s ?& ?: ?-
(?a . ?z) (?A . ?Z) (?0 . ?9)))
(any (?a . ?z) (?A . ?Z) (?0 . ?9))
(group (0+ whitespace))
"{"
(0+ nonl)))
(group . (1))
(modes . '(scss-mode css-mode))))
;;;###autoload
(with-eval-after-load 'grep
(add-to-list 'grep-files-aliases '("css" . "*.css *.less *.sass *.scss")))
;;;###autoload
(with-eval-after-load 'css-mode
(with-eval-after-load 'yasnippet
(oni-css-snippets-initialize)))
;;;###autoload(with-eval-after-load 'css-mode (require 'oni-css))
(provide 'oni-css)
;;; oni-css.el ends here
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