; use tab for indent or complete
(defun indent-or-expand (arg)
  "Either indent according to mode, or expand the word preceding
point."
  (interactive "*P")
  (if (and
       (or (bobp) (= ?w (char-syntax (char-before))))
       (or (eobp) (not (= ?w (char-syntax (char-after))))))
      (dabbrev-expand arg)
    (indent-according-to-mode)))

(defun af-tab-fix ()
  (local-set-key [tab] 'indent-or-expand))

;; add hooks for modes you want to use the tab completion for:
(set-variable 'af-cleanup-whitespace t)
(add-hook 'c-mode-hook          'af-tab-fix)
(add-hook 'sh-mode-hook         'af-tab-fix)
(add-hook 'emacs-lisp-mode-hook 'af-tab-fix)
(add-hook 'clojure-mode-hook    'af-tab-fix)
(add-hook 'rst-mode-hook '(lambda ()
                            (make-variable-buffer-local 'af-cleanup-whitespace)
                            (set-variable 'af-cleanup-whitespace nil)))

(autoload 'js2-mode "js2" nil t)
(add-to-list 'auto-mode-alist '("\\.js$" . js2-mode))
(add-hook 'js2-mode-hook 'af-tab-fix)

(defun af-python-mode-hook ()
  ; highlight tabs in Python
  (make-variable-buffer-local 'font-lock-mode-hook)
  (add-hook 'font-lock-mode-hook 'show-ws-highlight-tabs)
  (make-variable-buffer-local 'python-indent)
  (if (and buffer-file-name (string-match "melange" buffer-file-name))
     (set-variable 'python-indent 2))
  (af-tab-fix)
)
(add-hook 'python-mode-hook 'af-python-mode-hook)


; text-mode tries to use M-s for something other than my save shortcut.
; That's evil. Stop it from doing that.
(add-hook 'text-mode-hook '(lambda ()
                             (define-key text-mode-map "\M-s"
                               'save-buffer)))