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;;; cider-classpath.el --- Basic Java classpath browser
;; Copyright © 2014-2015 Bozhidar Batsov
;; 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/>.
;; This file is not part of GNU Emacs.
;;; Commentary:
;; Basic Java classpath browser for CIDER.
;;; Code:
(require 'cider-client)
(require 'cider-popup)
(require 'cider-compat)
(defvar cider-classpath-buffer "*Classpath*")
(defvar cider-classpath-mode-map
(let ((map (make-sparse-keymap)))
(set-keymap-parent map cider-popup-buffer-mode-map)
(define-key map [return] #'cider-classpath-operate-on-point)
(define-key map "n" #'next-line)
(define-key map "p" #'previous-line)
map))
(defvar cider-classpath-mouse-map
(let ((map (make-sparse-keymap)))
(define-key map [mouse-1] #'cider-classpath-handle-mouse)
map))
(define-derived-mode cider-classpath-mode special-mode "classpath"
"Major mode for browsing the entries in Java's classpath.
\\{cider-classpath-mode-map}"
(setq buffer-read-only t)
(setq-local electric-indent-chars nil)
(setq-local truncate-lines t))
(defun cider-classpath-list (buffer items)
"Populate BUFFER with ITEMS."
(with-current-buffer buffer
(cider-classpath-mode)
(let ((inhibit-read-only t))
(erase-buffer)
(dolist (item items)
(insert item "\n"))
(goto-char (point-min)))))
(defun cider-classpath-properties (text)
"Decorate TEXT with a clickable keymap and function face."
(let ((face (cond
((not (file-exists-p text)) 'font-lock-warning-face)
((file-directory-p text) 'dired-directory)
(t 'default))))
(propertize text
'font-lock-face face
'mouse-face 'highlight
'keymap cider-classpath-mouse-map)))
(defun cider-classpath-operate-on-point ()
"Expand browser according to thing at current point."
(interactive)
(let* ((bol (line-beginning-position))
(eol (line-end-position))
(line (buffer-substring-no-properties bol eol)))
(find-file-other-window line)))
(defun cider-classpath-handle-mouse (event)
"Handle mouse click EVENT."
(interactive "e")
(cider-classpath-operate-on-point))
;;;###autoload
(defun cider-classpath ()
"List all classpath entries."
(interactive)
(with-current-buffer (cider-popup-buffer cider-classpath-buffer t)
(cider-classpath-list (current-buffer)
(mapcar (lambda (name)
(cider-classpath-properties name))
(cider-sync-request:classpath)))))
;;;###autoload
(defun cider-open-classpath-entry ()
"Open a classpath entry."
(interactive)
(when-let ((entry (completing-read "Classpath entries: " (cider-sync-request:classpath))))
(find-file-other-window entry)))
(provide 'cider-classpath)
;;; cider-classpath.el ends here