scala-mode-feature-speedbar.el

;;; -*-Emacs-Lisp-*-
;;; scala-mode-feature-speedbar.el - 

;; Copyright (C) 2009-2011 Scala Dev Team at EPFL
;; Authors: See AUTHORS file
;; Keywords: scala languages oop

;;; License

;; SCALA LICENSE
;;  
;; Copyright (c) 2002-2011 EPFL, Lausanne, unless otherwise specified.
;; All rights reserved.
;;  
;; This software was developed by the Programming Methods Laboratory of the
;; Swiss Federal Institute of Technology (EPFL), Lausanne, Switzerland.
;;  
;; Permission to use, copy, modify, and distribute this software in source
;; or binary form for any purpose with or without fee is hereby granted,
;; provided that the following conditions are met:
;;  
;;    1. Redistributions of source code must retain the above copyright
;;       notice, this list of conditions and the following disclaimer.
;;  
;;    2. Redistributions in binary form must reproduce the above copyright
;;       notice, this list of conditions and the following disclaimer in the
;;       documentation and/or other materials provided with the distribution.
;;  
;;    3. Neither the name of the EPFL nor the names of its contributors
;;       may be used to endorse or promote products derived from this
;;       software without specific prior written permission.
;;  
;;  
;; THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
;; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
;; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
;; ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
;; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
;; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
;; CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
;; LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
;; OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
;; SUCH DAMAGE.

;;; Code
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(provide 'scala-mode-feature-speedbar)

(eval-when-compile 
  (require 'scala-mode-feature-tags))

(require 'speedbar)

;; Customization
 
(defgroup scala-mode-feature:speedbar nil
  "Options how the speedbar works under Scala mode"
  :group 'scala)


(defcustom scala-mode-feature:speedbar-open nil
  "Normally scala-mode starts with the speedbar closed.\
Turning this on will open it whenever scala-mode is loaded."
  :type 'boolean
  :set (lambda (sym val)
         (set-default sym val)
         (when val
             (speedbar 1)))
  :group 'scala-mode-feature:speedbar)


(defun scala-mode-feature-speedbar-install () 
  (define-key speedbar-file-key-map "\C-t" '(lambda () (interactive) 
					      (speedbar-flush-expand-line)))

  (add-hook 'speedbar-mode-hook 
	    (lambda() 
	      (speedbar-add-supported-extension "\\.scala")))

  (setq speedbar-fetch-etags-command scala-mode-feature:tags-command)

  (setq speedbar-fetch-etags-arguments '("-e" "-f -"))

  (add-to-list 'speedbar-fetch-etags-parse-list
		'("\\.scala" . speedbar-parse-c-or-c++tag))

  t)