.vimrc

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" Maintainer:
"       Amir Salihefendic — @amix3k
"
" Awesome_version:
"       Get this config, nice color schemes and lots of plugins!
"
"       Install the awesome version from:
"
"           https://github.com/amix/vimrc
"
" 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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" Sets how many lines of history VIM has to remember
set history=500
 
" Enable filetype plugins
filetype plugin on
filetype indent on
 
" Set to auto read when a file is changed from the outside
set autoread
au FocusGained,BufEnter * checktime
 
" With a map leader it's possible to do extra key combinations
" like <leader>w saves the current file
let mapleader = ","
 
" Fast saving
nmap <leader>w :w!<cr>
 
" :W sudo saves the file
" (useful for handling the permission-denied error)
command! W execute 'w !sudo tee % > /dev/null' <bar> edit!
 
 
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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
 
" Always show current position
set ruler
 
" Height of the command bar
set cmdheight=1
 
" A buffer becomes hidden when it is abandoned
set hid
 
" Configure backspace so it acts as it should act
set backspace=eol,start,indent
set whichwrap+=<,>,h,l
 
" Ignore case when searching
set ignorecase
 
" When searching try to be smart about cases
set smartcase
 
" Highlight search results
set hlsearch
 
" Makes search act like search in modern browsers
set incsearch
 
" Don't redraw while executing macros (good performance config)
set lazyredraw
 
" For regular expressions turn magic on
set magic
 
" Show matching brackets when text indicator is over them
set showmatch
 
" How many tenths of a second to blink when matching brackets
set mat=2
 
" No annoying sound on errors
set noerrorbells
set novisualbell
set t_vb=
set tm=500
 
" Properly disable sound on errors on MacVim
if has("gui_macvim")
    autocmd GUIEnter * set vb t_vb=
endif
 
" Add a bit extra margin to the left
set foldcolumn=1
 
 
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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 desert
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
 
" Set utf8 as standard encoding and en_US as the standard language
set encoding=utf8
 
" Use Unix as the standard file type
set ffs=unix,dos,mac
 
 
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" => Files, backups and undo
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" Turn backup off, since most stuff is in SVN, git etc. anyway...
set nobackup
set nowb
set noswapfile
 
 
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" => Text, tab and indent related
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" Use spaces instead of tabs
set expandtab
 
" Be smart when using tabs ;)
set smarttab
 
" 1 tab == 4 spaces
set shiftwidth=4
set tabstop=4
 
" Linebreak on 500 characters
set lbr
set tw=500
 
set ai "Auto indent
set si "Smart indent
set wrap "Wrap lines
 
 
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" => Visual mode related
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" Visual mode pressing * or # searches for the current selection
" Super useful! From an idea by Michael Naumann
vnoremap <silent> * :<C-u>call VisualSelection('', '')<CR>/<C-R>=@/<CR><CR>
vnoremap <silent> # :<C-u>call VisualSelection('', '')<CR>?<C-R>=@/<CR><CR>
 
 
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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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" => Status line
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" Always show the status line
set laststatus=2
 
" Format the status line
set statusline=\ %{HasPaste()}%F%m%r%h\ %w\ \ CWD:\ %r%{getcwd()}%h\ \ \ Line:\ %l\ \ Column:\ %c
 
 
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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
 
if has("mac") || has("macunix")
  nmap <D-j> <M-j>
  nmap <D-k> <M-k>
  vmap <D-j> <M-j>
  vmap <D-k> <M-k>
endif
 
" 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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" => 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
 
function! CmdLine(str)
    call feedkeys(":" . a:str)
endfunction
 
function! VisualSelection(direction, extra_filter) range
    let l:saved_reg = @"
    execute "normal! vgvy"
 
    let l:pattern = escape(@", "\\/.*'$^~[]")
    let l:pattern = substitute(l:pattern, "\n$", "", "")
 
    if a:direction == 'gv'
        call CmdLine("Ack '" . l:pattern . "' " )
    elseif a:direction == 'replace'
        call CmdLine("%s" . '/'. l:pattern . '/')
    endif
 
    let @/ = l:pattern
    let @" = l:saved_reg
endfunction

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