1  ;;; predictive-prog-mode.el ---
 2  
 3  ;; Copyright (C) 2006 Dmitry Galinsky <dima dot exe at gmail dot com>
 4  
 5  ;; Authors: Dmitry Galinsky <dima dot exe at gmail dot com>,
 6  
 7  ;; Keywords: ruby rails languages oop
 8  ;; $URL: svn+ssh://rubyforge/var/svn/emacs-rails/trunk/rails.el $
 9  ;; $Id: rails.el 149 2007-03-29 15:07:49Z dimaexe $
10  
11  ;;; License
12  
13  ;; This program is free software; you can redistribute it and/or
14  ;; modify it under the terms of the GNU General Public License
15  ;; as published by the Free Software Foundation; either version 2
16  ;; of the License, or (at your option) any later version.
17  
18  ;; This program is distributed in the hope that it will be useful,
19  ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
20  ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21  ;; GNU General Public License for more details.
22  
23  ;; You should have received a copy of the GNU General Public License
24  ;; along with this program; if not, write to the Free Software
25  ;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
26  
27  ;;; Code:
28  
29  (eval-when-compile
30    (require 'predictive nil t)
31    (require 'completion-ui nil t))
32  
33  (require 'flyspell)
34  
35  (defconst predictive-prog-text-faces
36    '(font-lock-comment-face font-lock-doc-face)
37    "Faces corresponding to text in programming-mode buffers.")
38  
39  (defvar predictive-prog-mode-main-dict nil)
40  
41  (defun activate-predictive-inside-comments (start end len)
42    "Looking at symbol at point and activate the `predictive-mode'
43  if there a string or a comment."
44    (save-excursion
45      (let ((p (get-text-property (- (point) 1) 'face))
46            (f (get-text-property (point) 'face)))
47        (if (or (memq f predictive-prog-text-faces)
48                (memq p predictive-prog-text-faces))
49            (setq predictive-main-dict predictive-prog-mode-main-dict)
50          (setq predictive-main-dict nil)))))
51  
52  (defun predictive-prog-mode ()
53    "Enable the `predictive-mode' inside strings and comments
54  only, like `flyspell-prog-mode'."
55    (interactive)
56    (when (fboundp 'predictive-mode)
57      (set (make-local-variable 'predictive-main-dict) nil)
58      (set (make-local-variable 'predictive-prog-mode-main-dict) predictive-main-dict)
59      (if (find 'activate-predictive-inside-comments after-change-functions)
60          (progn
61            (remove-hook 'after-change-functions 'activate-predictive-inside-comments t)
62            (predictive-mode -1))
63        (progn
64  ;        (set (make-local-variable 'predictive-use-auto-learn-cache) nil)
65          (set (make-local-variable 'predictive-dict-autosave-on-kill-buffer) nil)
66          (predictive-mode 1)
67          (add-hook 'after-change-functions 'activate-predictive-inside-comments nil t)))))
68  
69  (provide 'predictive-prog-mode)