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
"
" 显示行号
set number

" 突出显示当前列
set cursorcolumn

" 突出显示当前行
set cursorline

" 显示当前的行号列号
set ruler

" 在状态栏显示正在输入的命令
set showcmd
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

" With a map leader it's possible to do extra key combinations
" like w saves the current file
let mapleader = ","

" Fast saving
nmap w :w!

" :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

"Always show current position
set ruler

" Height of the command bar
set cmdheight=2

" 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 et.c 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 * :call VisualSelection('', '')/=@/
vnoremap # :call VisualSelection('', '')?=@/

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

" Disable highlight when is pressed
map :noh

" Smart way to move between windows
map j
map k
map h
map l

" Close the current buffer
map bd :Bclose:tabclosegT

" Close all the buffers
map ba :bufdo bd

map l :bnext
map h :bprevious

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

" Let 'tl' toggle between this and the last accessed tab
let g:lasttab = 1
nmap tl :exe "tabn ".g:lasttab
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 te :tabedit =expand("%:p:h")/

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

" 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 mz:m+`z
nmap mz:m-2`z
vmap :m'>+`mzgv`yo`z
vmap :m'<-2`>my`

if has("mac") || has("macunix")
nmap
nmap
vmap
vmap
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 ss :setlocal spell!

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

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

" Quickly open a buffer for scribble
map q :e ~/buffer

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

" Toggle paste mode on and off
map pp :setlocal paste!

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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 BufcloseCloseIt()
function! 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