"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" General
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set nocompatible " get out of horrible vi-compatible mode
filetype indent plugin on | syn on
set history=1000 " How many lines of history to remember
set cf " enable error files and error jumping
set ffs=unix,dos,mac " support all three, in this order
set viminfo+=! " make sure it can save viminfo
set isk+=_,@,- " none of these should be word dividers, so make them not be
set nobackup

set completeopt=longest,menuone,preview
inoremap <expr> <CR> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
inoremap <expr> <C-n> pumvisible() ? '<C-n>' :
  \ '<C-n><C-r>=pumvisible() ? "\<lt>Down>" : ""<CR>'

inoremap <expr> <M-,> pumvisible() ? '<C-n>' :
  \ '<C-x><C-o><C-n><C-p><C-r>=pumvisible() ? "\<lt>Down>" : ""<CR>'

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Theme/Colors
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
syntax on " syntax highlighting on

set background=dark
set t_Co=256
colorscheme desert 
"colorscheme xoria256 
"let g:solarized_termcolors=256

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Vim UI
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set wildmenu " turn on wild menu
set ruler " Always show current positions along the bottom 
set number " turn on line numbers
set lz " do not redraw while running macros (much faster) (LazyRedraw)
set hid " you can change buffer without saving
set backspace=eol,start,indent " make backspace work normal    
set whichwrap+=<,>,h,l  " backspace and cursor keys wrap to
set shortmess=atI " shortens messages to avoid 'press a key' prompt 
set report=0 " tell us when anything is changed via :...
" make the splitters between windows be blank
set fillchars=vert:\ ,stl:\ ,stlnc:\ 

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Visual Cues
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set showmatch " show matching brackets
set mat=5 " how many tenths of a second to blink matching brackets for
set nohlsearch " highlight searched for phrases
set incsearch " do highlight as you type you search phrase
set listchars=tab:\|\ ,trail:.,extends:>,precedes:<,eol:$ " what to show when I hit :set list
set so=10 " Keep 10 lines (top/bottom) for scope
set novisualbell " don't blink
set noerrorbells " no noises
set statusline=%F%m%r%h%w\ [FORMAT=%{&ff}]\ [TYPE=%Y]\ [POS=%04l,%04v][%p%%]
set laststatus=2 " always show the status line

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Text Formatting/Layout
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set fo=tcrqn " See Help (complex)
set ai " autoindent
set si " smartindent 
set tabstop=4 " tab spacing (settings below are just to unify it)
set softtabstop=4 " unify
set shiftwidth=4 " unify 
set expandtab " space instead of tabs 
set smarttab "Use the "shiftwidth" setting for inserting <TAB>s instead of the "tabstop" setting, when at the beginning of a line.
set nowrap " do not wrap lines  
  
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Mouse Settings
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set mouse=a                     " mouse support in all modes
set mousehide                   " hide the mouse when typing text

" ,p and shift-insert will paste the X buffer, even on the command line
nmap <LocalLeader>p i<S-MiddleMouse><ESC>
imap <S-Insert> <S-MiddleMouse>
cmap <S-Insert> <S-MiddleMouse>

" map <C-k> to clear search
nmap <silent><C-k> :nohlsearch<CR>

" this makes the mouse paste a block of text without formatting it 
" (good for code)
map <MouseMiddle> <esc>"*p

" Convenient for non italian keyboard
map ò :

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Matchit
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
let b:match_ignorecase = 1

" make tab in v mode ident code
vmap <tab> >gv
vmap <s-tab> <gv

" make tab in normal mode ident code
nmap <tab> I<tab><esc>
nmap <s-tab> ^i<bs><esc>

"Easy to access esc key
map! <C-h> <Esc>
map <C-h> <Esc>

" paste mode - this will avoid unexpected effects when you
" cut or copy some text from one window and paste it in Vim.
set pastetoggle=<F6>

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Perl
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
let perl_extended_vars=1 " highlight advanced perl vars inside strings

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Custom Functions
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"switch spellcheck languages
let g:myLangList = [ "none", "it", "en_us" ]
function! MySpellLang()
"loop through languages
if !exists( "b:myLang" )
      let b:myLang=0
endif 
let b:myLang = b:myLang + 1
if b:myLang >= len(g:myLangList) | let b:myLang = 0 | endif

if b:myLang== 0 | setlocal spell nospell | endif
if b:myLang== 1 | setlocal spell spelllang=it | endif
if b:myLang== 2 | setlocal spell spelllang=en_us | endif

echo "language spell:" g:myLangList[b:myLang]
endfunction

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Mappings
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" alt-i (normal mode) inserts a single char, and then switches back to normal
map <A-i> i <ESC>r 
" set F4 to toogle number/nonumber
map <silent><F4> :set invnumber<CR>
" encypt the file (toggle)
map <F12> ggVGg?
map <F8> :call MySpellLang()<CR>
" Map NERDTree show and hide
map <F2> :NERDTreeToggle<CR>
imap <F2> <Esc>:NERDTreeToggle<CR>
" Tagbar toggle
map <F3> :TagbarToggle<CR>
imap <F3> <Esc>:TagbarToggle<CR>

" Alt-right/left to navigate forward/backward in the tags stack
map <M-Left> <C-T>
map <M-Right> <C-]>

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Autocommands
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
if has ("autocmd")
    " Enable file type detection ('filetype on').
    " Syntax of these languages is fussy over tabs Vs spaces
    autocmd FileType make setlocal ts=8 sts=8 sw=8 noexpandtab
    autocmd FileType yaml setlocal ts=2 sts=2 sw=2 expandtab
    " Customisations based on house-style (arbitrary)
    autocmd FileType html setlocal ts=2 sts=2 sw=2 expandtab
    autocmd FileType css setlocal ts=2 sts=2 sw=2 expandtab
    " Treat sh correctly
    autocmd FileType sh setlocal ts=4 sts=4 sw=4 expandtab
    " Treat .rss files as XML
    autocmd BufNewFile,BufRead *.rss,*.atom setfiletype xml

    autocmd FileType c,cpp,slang set cindent
    autocmd FileType c,cpp,slang set textwidth=79
    autocmd FileType c,cpp,slang set tags=./tags,/usr/src/linux/tags,~/.vim/tags/usr/include/tags 

    autocmd BufEnter * :syntax sync fromstart " ensure every file does syntax highlighting (full)
    autocmd BufNewFile *.sh call append(0, "#!/bin/bash")
    autocmd BufNewFile *.pl call append(0, "#!/usr/bin/perl")
    autocmd BufNewFile *.py call append(0, "#!/bin/python")


    " PHP documenter script bound to Control-P
    autocmd FileType php inoremap <C-p> <ESC>:call PhpDocSingle()<CR>i
    autocmd FileType php nnoremap <C-p> :call PhpDocSingle()<CR>
    autocmd FileType php vnoremap <C-p> :call PhpDocRange()<CR> 

    " When editing a file, always jump to the last known cursor position.
    " Don't do it when the position is invalid or when inside an event handler
    " (happens when dropping a file on gvim).
    autocmd BufReadPost *
        \ if line("'\"") > 0 && line("'\"") <= line("$") |
        \ exe "normal g`\"" |
        \ endif
endif
 

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" General configs
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set titlestring=%t%(\ %M%)%(\ (%{expand(\"%:~:h\")})%)%(\ %a%)\ -\ %{v:servername}
if &term == "screen"
  set t_ts=^[k
  set t_fs=^[\
endif
if &term == "screen" || &term == "xterm"
  set title
endif


   
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Plugin activation 
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" vim-addon-manager 
"
let vam_install_path = expand('$HOME') . '/.vim/addons'
exec 'set runtimepath+='.vam_install_path.'/vim-addon-manager'
" Enable addons with vim-addon-manager using file type recognition
let ft_addons = {
    \ 'always': ['desert', 'gnupg', 'surround', 'checksyntax', 'quickfixsigns', 'LargeFile', 'snipmate', 'snipmate-snippets', 'The_NERD_tree', 'SuperTab%1643', 'fugitive'],
    \ 'r': [ 'Screen_vim__gnu_screentmux', 'Vim-R-plugin' ],
    \ '^\%(c\|cpp\|javascript\|python\|php\|html\|xml\|r\|sh\|css\|java\|make\|xslt\|vim\)$': [ 'Tagbar', 'checksyntax', 'TagHighlight'],
    \ '^\%(c\|cpp\|h\)$': [ 'clang_complete' ],
    \ 'python': [ 'python_pydoc'],
    \ 'php': ['phpcomplete', 'PDV_-_phpDocumentor_for_Vim'],
    \ 'gpg': ['gnupg'],
    \ }
call vam#ActivateAddons(ft_addons['always'], {'auto_install': 1})
au FileType * for l in values(filter(copy(ft_addons), string(expand('<amatch>')).' =~ v:key')) | call vam#ActivateAddons(l, {'force_loading_plugins_now':1}) | endfor

" SuperTab option for context aware completion
let g:SuperTabDefaultCompletionType = "context"
" If you prefer the Omni-Completion tip window to close when a selection is
" " made, these lines close it on movement in insert mode or when leaving
" " insert mode
if has("autocmd")
    autocmd CursorMovedI * if pumvisible() == 0|pclose|endif
    autocmd InsertLeave * if pumvisible() == 0|pclose|endif
endif

let g:clang_complete_copen = 1
let g:clang_complete_auto = 1
let g:clang_user_options='|| exit 0'

if has("cscope")
    set csto=0
    set cst
    set nocsverb
    " add any database in current directory
    if filereadable("cscope.out")
        cs add cscope.out
    " else add database pointed to by environment
    elseif $CSCOPE_DB != ""
        cs add $CSCOPE_DB
    endif
    if filereadable("/usr/linux/cscope.out")
        cs add /usr/linux/cscope.out
    endif
    set csverb
endif