auto-complete settings

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;; AUTO-COMPLETE
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(require 'auto-complete-config)

;; ac-dictionaries for major modes
(add-to-list 'ac-dictionary-directories (concat user-emacs-directory "ac-dict"))

;; ac common settings
(setq ac-quick-help-delay 0.5)
(setq ac-auto-start 4) ;; so it starts after the firth letter
(setq ac-auto-show-menu 1)
(setq ac-menu-height 10)
(setq ac-ignore-case nil)
(setq ac-use-menu-map t)
(global-auto-complete-mode t)
(setq ac-dwim t)


;; Workarounds
(setq ac-stop-flymake-on-completing t)
(ac-flyspell-workaround)
(ac-linum-workaround)

;; Override the default settings
(defun ac-common-setup ()
  (add-to-list 'ac-sources 'ac-source-filename))

(defun ac-emacs-lisp-mode-setup ()
  (setq ac-sources (append '(ac-source-features
                             ac-source-functions
                             ac-source-yasnippet
                             ac-source-variables
                             ac-source-symbols) ac-sources)))

(defun ac-cc-mode-setup ()
  (setq ac-sources (append '(ac-source-yasnippet ac-source-gtags) ac-sources)))

(defun ac-ruby-mode-setup ()
  (setq ac-sources (append '(ac-source-yasnippet ac-source-gtags) ac-sources)))

(defun ac-css-mode-setup ()
  (setq ac-sources (append '(ac-source-css-property) ac-sources)))

(defun ac-config-default ()
  (setq-default ac-sources '(ac-source-dictionary ac-source-words-in-same-mode-buffers ac-source-abbrev ac-source-words-in-buffer ac-source-files-in-current-dir ac-source-symbols ac-source-imenu ac-source-filename))
  (add-hook 'emacs-lisp-mode-hook 'ac-emacs-lisp-mode-setup)
  (add-hook 'c-mode-common-hook 'ac-cc-mode-setup)
  (add-hook 'ruby-mode-hook 'ac-ruby-mode-setup)
  (add-hook 'css-mode-hook 'ac-css-mode-setup)
  (add-hook 'scss-mode-hook 'ac-css-mode-setup)
  (add-hook 'auto-complete-mode-hook 'ac-common-setup)
  (global-auto-complete-mode t))

(ac-config-default)


(require 'auto-complete-latex)

(require 'ac-math)
(add-to-list 'ac-modes 'latex-mode)                     ; make auto-complete aware of {{{latex-mode}}}
(defun ac-latex-mode-setup ()                           ; add ac-sources to default ac-sources
  (setq ac-sources
     (append '(ac-source-math-latex ac-source-latex-commands)
               ac-sources))
)
(add-hook 'LaTeX-mode-hook 'ac-latex-mode-setup)

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;; YASNIPPET STUFF
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(require 'yasnippet)
(require 'dropdown-list)

;; Explicitly setting trigger key to "TAB", rather than <tab>
(setq yas/trigger-key "TAB")

;; Jump to end of snippet definition
(define-key yas/keymap (kbd "<return>") 'yas-exit-all-snippets)

;; yas prompt functions -> use dropdown
(setq yas/prompt-functions '(
                             yas/dropdown-prompt
                             yas/ido-prompt
                             yas/completing-prompt
                             ))

;; Set personal snippets as default
(setq yas/snippet-dirs (concat user-emacs-directory "snippets"))

(yas/global-mode 1)

(provide 'setup-completion)