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;;; oni-groovy.el --- Configuration for Groovy mode  -*- lexical-binding: t; -*-

;; Copyright (C) 2019  Tom Willemse

;; Author: Tom Willemse <tom@ryuslash.org>
;; Keywords: local
;; Version: 2022.0926.132722
;; Package-Requires: (groovy-mode oni-embrace oni-smartparens groovy-imports rainbow-delimiters jenkinsfile-mode)

;; 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:

;; My ‘groovy-mode’ configuration.

;;; Code:

(require 'groovy-imports)
(require 'groovy-mode)
(require 'smartparens)

(defun oni-groovy--auto-fill-mode ()
  "Enable ‘auto-fill-mode’ only for comments."
  (setq-local comment-auto-fill-only-comments t)
  (auto-fill-mode))

(defconst oni-groovy--regex-defun-start
  (rx line-start
      (minimal-match (zero-or-more space))
      "def "
      (minimal-match (one-or-more alnum))
      (minimal-match (zero-or-more space))
      "("))

(defun oni-groovy-beginning-of-defun ()
  (interactive)
  (when (not (region-active-p))
    (push-mark))
  (let ((case-fold-search t))
    (when (re-search-backward oni-groovy--regex-defun-start nil t)
      t)))

(defun oni-groovy-end-of-defun ()
  (interactive)
  (when (not (region-active-p))
    (push-mark))
  (let ((case-fold-search t))
    (when (or (looking-at oni-groovy--regex-defun-start)
              (re-search-backward oni-groovy--regex-defun-start nil t))
      (search-forward "{")
      (forward-char -1)
      (forward-sexp)
      (forward-line))))

(defun oni-groovy-setup-defun-navigation ()
  (setq-local beginning-of-defun-function #'oni-groovy-beginning-of-defun
              end-of-defun-function #'oni-groovy-end-of-defun))

(defun oni-groovy-setup-smartparens ()
  (sp-local-pair '(groovy-mode) "/" "/"))

(define-key groovy-mode-map (kbd "M-I") 'groovy-imports-add-import-dwim)

(add-hook 'groovy-mode-hook #'oni-groovy-setup-defun-navigation)
(add-hook 'groovy-mode-hook 'display-fill-column-indicator-mode)
(add-hook 'groovy-mode-hook 'electric-indent-local-mode)
(add-hook 'groovy-mode-hook 'groovy-imports-scan-file)
(add-hook 'groovy-mode-hook 'oni-groovy--auto-fill-mode)
(add-hook 'groovy-mode-hook 'oni-groovy-setup-smartparens)
(add-hook 'groovy-mode-hook 'rainbow-delimiters-mode)
(add-hook 'groovy-mode-hook 'smartparens-mode)

;;;###autoload
(add-to-list 'auto-mode-alist `(,(rx ".pipeline" string-end) . jenkinsfile-mode))

;;;###autoload
(with-eval-after-load 'grep
  (add-to-list 'grep-files-aliases '("groovy" . "*.groovy *.pipeline Jenkinsfile")))

(provide 'oni-groovy)
;;; oni-groovy.el ends here