.vimrc

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" Maintainer:
"       Amir Salihefendic
"       http://amix.dk - amix@amix.dk
"
" Version:
"       6.0 - 01/04/17 14:24:34
"
" Blog_post:
"       http://amix.dk/blog/post/19691#The-ultimate-Vim-configuration-on-Github
"
" Awesome_version:
"       Get this config, nice color schemes and lots of plugins!
"
"       Install the awesome version from:
"
"           https://github.com/amix/vimrc
"
" Syntax_highlighted:
"       http://amix.dk/vim/vimrc.html
"
" Raw_version:
"       http://amix.dk/vim/vimrc.txt
"
" Sections:
"    -> General
"    -> VIM user interface
"    -> Colors and Fonts
"    -> Files and backups
"    -> Text, tab and indent related
"    -> Visual mode related
"    -> Moving around, tabs and buffers
"    -> Status line
"    -> Editing mappings
"    -> vimgrep searching and cope displaying
"    -> Spell checking
"    -> Misc
"    -> Helper functions
"
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" => General
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" Use vim settings, rather then vi settings (much better!)
" This must be first, because it changes other options as a side effect.
set nocompatible

" Change shell
set shell=bash

" Enable filetype plugins
filetype on
filetype plugin on
filetype indent on

" Fast saving
nmap <leader>w :w!<cr>

" :W sudo saves the file
" (useful for handling the permission-denied error)
command W w !sudo tee % > /dev/null



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" => VIM user interface
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" Set 7 lines to the cursor - when moving vertically using j/k
set so=7

" Avoid garbled characters in Chinese language windows OS
let $LANG='en'
set langmenu=en
source $VIMRUNTIME/delmenu.vim
source $VIMRUNTIME/menu.vim

" Turn on the WiLd menu
set wildmenu

" Ignore compiled files
set wildignore=*.o,*~,*.pyc
if has("win16") || has("win32")
    set wildignore+=.git\*,.hg\*,.svn\*
else
    set wildignore+=*/.git/*,*/.hg/*,*/.svn/*,*/.DS_Store
endif

" Disable swap files; systems don't crash that often these days
set updatecount=0

set ai                          " Auto indent
set autoindent                  " Indent at the same level of the previous line
set autoread                    " automatically reload files changed outside of Vim
set autowrite autowriteall      " write changes before changing buffers, :make and others
set backspace=eol,start,indent  " Configure backspace so it acts as it should act
set clipboard=unnamed           " normal OS clipboard interaction
set cmdheight=2                 " Height of the command bar
set copyindent                  " copy the previous indentation on autoindenting
set cursorline                  " Highlight current line
set encoding=utf8               " Set utf8 as standard encoding and en_US as the standard language
set ffs=unix,dos,mac            " Use Unix as the standard file type
set fileformats="unix,dos,mac"
set foldcolumn=1                " Add a bit extra margin to the left
set history=1000                " Sets how many lines of history VIM has to remember
set hlsearch                    " Highlight search results
set ignorecase                  " Ignore case when searching
set incsearch                   " Makes search act like search in modern browsers
set laststatus=2                " Always show the status line
set lazyredraw                  " Don't redraw while executing macros (good performance config)
set magic                       " For regular expressions turn magic on
set mat=2                       " How many tenths of a second to blink when matching
set nobackup                    " Turn backup off
set noerrorbells novisualbell   " no annoying error noises
set noexpandtab
set nojoinspaces                " no double spaces when joining lines
set nomodeline                  " don't use modelines, use securemodelines
set noswapfile
set nowb
set number                      " Add line numbers
set report=0                    " always report the number of lines changed
set ruler                       " Always show current position
set shiftwidth=4                " 1 tab == 4 spaces
set shiftwidth=4                " Use indents of 4 spaces
set showcmd                     " show info on the last/current command
set showmatch                   " Show matching brackets when text indicator is over them
set showmode                    " Display the current mode
set si                          " Smart indent
set smartcase                   " When searching try to be smart about cases
set smarttab                    " Be smart when using tabs ;)
set smarttab                    " insert tabs on the start of a line according to
set softtabstop=4
set statusline=\ %{HasPaste()}%F%m%r%h\ %w\ \ CWD:\ %r%{getcwd()}%h\ \ \ Line:\ %l\ \ Column:\ %c
set tabstop=4                   " Tab size
set tm=500
set tw=500
set whichwrap+=<,>,h,l
set wrap                        " Wrap lines
set wrapscan

if has('statusline')
    set laststatus=2    " Broken down into easily includeable segments
    set statusline=%<%f\                     " Filename
    set statusline+=%w%h%m%r                 " Options
    set statusline+=\ [%{&ff}/%Y]            " Filetype
    set statusline+=\ [%{getcwd()}]          " Current dir
    set statusline+=%=%-14.(%l,%c%V%)\ %p%%  " Right aligned file nav info
endif


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" => Colors and Fonts
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" Enable syntax highlighting
syntax enable

" Enable 256 colors palette in Gnome Terminal
if $COLORTERM == 'gnome-terminal'
    set t_Co=256
endif

try
    colorscheme hybrid
catch
endtry

set background=dark

" Set extra options when running in GUI mode
if has("gui_running")
    set guioptions-=T
    set guioptions-=e
    set t_Co=256
    set guitablabel=%M\ %t
endif


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" => Moving around, tabs, windows and buffers
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" Map <Space> to / (search) and Ctrl-<Space> to ? (backwards search)
map <space> /
map <c-space> ?

" Disable highlight when <leader><cr> is pressed
map <silent> <leader><cr> :noh<cr>

" Smart way to move between windows
map <C-j> <C-W>j
map <C-k> <C-W>k
map <C-h> <C-W>h
map <C-l> <C-W>l

" Close the current buffer
map <leader>bd :Bclose<cr>:tabclose<cr>gT

" Close all the buffers
map <leader>ba :bufdo bd<cr>

map <leader>l :bnext<cr>
map <leader>h :bprevious<cr>

" Useful mappings for managing tabs
map <leader>tn :tabnew<cr>
map <leader>to :tabonly<cr>
map <leader>tc :tabclose<cr>
map <leader>tm :tabmove
map <leader>t<leader> :tabnext

" Let 'tl' toggle between this and the last accessed tab
let g:lasttab = 1
nmap <Leader>tl :exe "tabn ".g:lasttab<CR>
au TabLeave * let g:lasttab = tabpagenr()

" Opens a new tab with the current buffer's path
" Super useful when editing files in the same directory
map <leader>te :tabedit <c-r>=expand("%:p:h")<cr>/

" Switch CWD to the directory of the open buffer
map <leader>cd :cd %:p:h<cr>:pwd<cr>

" Specify the behavior when switching between buffers
try
  set switchbuf=useopen,usetab,newtab
  set stal=2
catch
endtry

" Return to last edit position when opening files (You want this!)
au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif

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" => Editing mappings
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" Remap VIM 0 to first non-blank character
map 0 ^

" Move a line of text using ALT+[jk] or Command+[jk] on mac
nmap <M-j> mz:m+<cr>`z
nmap <M-k> mz:m-2<cr>`z
vmap <M-j> :m'>+<cr>`<my`>mzgv`yo`z
vmap <M-k> :m'<-2<cr>`>my`<mzgv`yo`z

" Delete trailing white space on save, useful for some filetypes ;)
fun! CleanExtraSpaces()
    let save_cursor = getpos(".")
    let old_query = getreg('/')
    silent! %s/\s\+$//e
    call setpos('.', save_cursor)
    call setreg('/', old_query)
endfun

if has("autocmd")
    autocmd BufWritePre *.txt,*.js,*.py,*.wiki,*.sh,*.coffee :call CleanExtraSpaces()
endif


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" => Spell checking
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" Pressing ,ss will toggle and untoggle spell checking
map <leader>ss :setlocal spell!<cr>

" Shortcuts using <leader>
map <leader>sn ]s
map <leader>sp [s
map <leader>sa zg
map <leader>s? z=


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" => Misc
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" Remove the Windows ^M - when the encodings gets messed up
noremap <Leader>m mmHmt:%s/<C-V><cr>//ge<cr>'tzt'm

" Quickly open a buffer for scribble
map <leader>q :e ~/buffer<cr>

" Quickly open a markdown buffer for scribble
map <leader>x :e ~/buffer.md<cr>

" Toggle paste mode on and off
map <leader>pp :setlocal paste!<cr>



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" => Omni complete functions
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autocmd FileType css set omnifunc=csscomplete#CompleteCSS

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" => JavaScript section
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au FileType javascript call JavaScriptFold()
au FileType javascript setl fen
au FileType javascript setl nocindent

au FileType javascript imap <c-t> $log();<esc>hi
au FileType javascript imap <c-a> alert();<esc>hi

au FileType javascript inoremap <buffer> $r return
au FileType javascript inoremap <buffer> $f //--- PH<esc>FP2xi

function! JavaScriptFold()
    setl foldmethod=syntax
    setl foldlevelstart=1
    syn region foldBraces start=/{/ end=/}/ transparent fold keepend extend

    function! FoldText()
        return substitute(getline(v:foldstart), '{.*', '{...}', '')
    endfunction
    setl foldtext=FoldText()
endfunction

:inoremap <Esc>Oq 1
:inoremap <Esc>Or 2
:inoremap <Esc>Os 3
:inoremap <Esc>Ot 4
:inoremap <Esc>Ou 5
:inoremap <Esc>Ov 6
:inoremap <Esc>Ow 7
:inoremap <Esc>Ox 8
:inoremap <Esc>Oy 9
:inoremap <Esc>Op 0
:inoremap <Esc>On .
:inoremap <Esc>OQ /
:inoremap <Esc>OR *
:inoremap <Esc>Ol +
:inoremap <Esc>OS -
:inoremap <Esc>OM <Enter>

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" => Helper functions
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" Returns true if paste mode is enabled
function! HasPaste()
    if &paste
        return 'PASTE MODE  '
    endif
    return ''
endfunction

" Don't close window, when deleting a buffer
command! Bclose call <SID>BufcloseCloseIt()
function! <SID>BufcloseCloseIt()
   let l:currentBufNum = bufnr("%")
   let l:alternateBufNum = bufnr("#")

   if buflisted(l:alternateBufNum)
     buffer #
   else
     bnext
   endif

   if bufnr("%") == l:currentBufNum
     new
   endif

   if buflisted(l:currentBufNum)
     execute("bdelete! ".l:currentBufNum)
   endif
endfunction