"
" Vim configuration file (~/.vimrc)
" 2009, kolter <kolter@openics.org>
"
"  This file is distributed in the hope that it will be useful,
"  but WITHOUT ANY WARRANTY
"

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" General Settings
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

set nocompatible "no vi compatibility
set history=200 "command history size
set undolevels=120 "undo levels count

set autoread "notify file changes
set autochdir "switch to the current file directory
set clipboard+=unnamed "share system clipboard
set backup "enable backups
set backupdir=~/.vim/backups "backup directory
set directory=~/.vim/tmp "directory to place swap files in

"Encoding settings
if has("multi_byte")
	if &termencoding == ""
		let &termencoding = &encoding
	endif
	set encoding=utf-8
	setglobal fileencoding=utf-8 bomb
	set fileencodings=ucs-bom,utf-8,default,latin1
endif

"Syntax highlight
syntax on
set t_Co=256
set bg=dark
colorscheme xoria256


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Interface Settings
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

set title "show title
set number "show line numbers
set ruler "statusline for each window
set visualbell t_vb= "visual beep

set showcmd "show incomplete commands
set confirm "raise a dialog asking what to do instead of failing

"set mouse=a "enable mouse support
set lazyredraw "do not redraw when running macros
set ttyfast "fast terminal connection support

set shortmess=a "abbreviations on status line
set laststatus=2 "always statusline
set statusline=%<%F\ %h%m%r%y%=%{\"[\".(&fenc==\"\"?&enc:&fenc).((exists(\"+bomb\")\ &&\ &bomb)?\",B\":\"\").\"]\ \"}%k\ %-14.(%l,%c%V%)\ %P

set wildmenu "display completion menu
set wildmode=list:longest,list:full "content of completion menu
"ignore some extensions while completing filename
"set wildignore=*.o,*.so,,*.gz,*.bz2,*.tar,*.tgz,*.tbz2,*.png,*.jpg,*.jpeg,*.gif
set wildchar=<TAB> "wildcar expansion character

set modeline "allow last lines of documents set vim mode
set modelines=3 "number of lines to check for modelines


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Keyboard Settings
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

" keep ctrl-a/ctrl-e for begining/end of line
nmap <C-a> <C-o>I
imap <C-a> <C-o>I
vmap <C-a> <C-o>I

nmap <C-e> <C-o>A
imap <C-e> <C-o>A
vmap <C-e> <C-o>A

"reopen current file
map <F5> :e!<CR>
"using redraw to disable highlighted search patterns
nnoremap <C-L> :nohl<CR><C-L>

"map F1 to open previous buffer
nmap <F1> :bp<CR>
imap <F1> <ESC>:bp<CR>a
"map F2 to open next buffer
nmap <F2> :bn<CR>
imap <F2> <ESC>:bn<CR>a

"imap <C-Space> <C-X><C-O> "smart completion
nmap <C-u> :u<CR>
imap <C-u> <ESC>:u<CR>

nmap <C-i> :tabnext<CR>
"nmap <C-S-i> :tabprevious<CR>
nmap <C-t> :tabnew<CR>
"nmap <C-M-w> :tabclose<CR>

nmap <C-q> :call CleanClose()<CR>

nmap <F6> :vsplit<CR>
nmap <F7> :split<CR>

"ctrl-$arrow no cycle around splitted windows
map <C-left> <C-W>h
map <C-right> <C-W>l
map <C-Up> <C-W>k
map <C-Down> <C-W>j

"ident in visual mode keep selection
vmap > >gv
vmap < <gv


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Editor Settings
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

set fileformats=unix,dos,mac "support all three, in this order
set hidden "make possible to change buffer without saving
set backspace=indent,eol,start "enhance backspacing
set report=0 "agressive reporting
set pastetoggle=<F11> "use <F11> to toggle between 'paste' and 'nopaste'
set nostartofline "leave the cursor where it is

"indent settings
set autoindent
set smartindent
set cindent

"tabs and spaces settings
set expandtab "tab are spaces
set tabstop=4
set shiftwidth=4
set shiftround "round indent to shiftwidth
set softtabstop=4

set showmatch "brace/parenthese/bracket matching
set nowrap "wrap long lines
if has("multi_byte")
	set showbreak="…"
else
	set showbreak="+++"
endif

"show some not printable chars
set list
if has("multi_byte")
	set listchars=trail:·,extends:>,precedes:<,nbsp:•,tab:→\ 
else
	set listchars=tab:>.,trail:·,extends:>,precedes:<,nbsp:%
endif

"search settings
set hlsearch "highlight searches
set incsearch "incremental searches
set ignorecase "ignore case in search patterns
set infercase "smart case support

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Code folding
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set foldmethod=indent   "fold based on indent
set foldnestmax=10      "deepest fold is 10 levels
set nofoldenable        "dont fold by default
set foldlevel=1

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Email Settings
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
if has('autocmd')
	autocmd BufRead ~/.mutt/tmp/mutt-* set filetype=mail
	autocmd FileType mail set autoindent expandtab formatoptions=tcqn
	autocmd FileType mail vmap D dO[...]<CR>
	autocmd FileType mail call EnableSpellChecking()
endif

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Filetypes Settings
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
filetype plugin indent on

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Global Triggers
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
if has('autocmd')
	"reload Vim config file after saving
	autocmd BufWritePost $MYVIMRC :source $MYVIMRC
	"always limit the width for text files
	autocmd BufRead *.txt set tw=78
	autocmd QuickFixCmdPre * botright cwindow 5
endif

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Spell Checking
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"set spellfile=~/.vim/spell/words
function! EnableSpellChecking()
	setlocal spell spelllang=fr,en_us
	let b:spell = 1
endfunction

function! DisableSpellChecking()
	setlocal nospell
	unlet b:spell
endfunction

function! ToggleSpell()
	if !exists("b:spell")
		execute 'call EnableSpellChecking()'
	else
		execute 'call DisableSpellChecking()'
	endif
endfunction

nmap <F4> :call ToggleSpell()<CR>
imap <F4> <Esc>:call ToggleSpell()<CR>a


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" TagList setup
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Settings for taglist.vim
let Tlist_Use_Right_Window=1
let Tlist_Auto_Open=0
"let Tlist_Enable_Fold_Column=0
let Tlist_Compact_Format=1
"let Tlist_WinWidth=28
let Tlist_Exit_OnlyWindow=1
let Tlist_File_Fold_Auto_Close=1
let Tlist_Process_File_Always=1
"dip F1 to open previous buffersplay tags only for the current buffer
let Tlist_Show_One_File=1
let Tlist_Use_SingleClick=1
let Tlist_Ctags_Cmd="~/.vim/bin/ctags-exuberant"
nnoremap <silent> <F9> :Tlist<CR>


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Useful functions
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
function! CleanClose()
	let todelbufNr = bufnr("%")
	let newbufNr = bufnr("#")
	if ((newbufNr != -1) && (newbufNr != todelbufNr) && buflisted(newbufNr))
		exe "b".newbufNr
	else
		bnext
	endif
	if (bufnr("%") == todelbufNr)
		new
	endif
	exe "bd".todelbufNr
endfunction