_vimrc

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Maintainer: 
"       Liu Li
"       http://liuli1735.github.io/
"
" Version: 
"       1.1 - 23/08/12 22:50:36
"
" Descript:
"       Mostly get from http://amix.dk/vim/vimrc.html and https://github.com/j1z0/vim-config/blob/master/vimrc, thanks!
"
" Sections:
"    -> Vundle
"    -> 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
"    -> vim-scripts Settings
"    -> Python Settings
"    -> vimgrep searching and cope displaying
"    -> Spell checking
"    -> Misc
"    -> Helper functions
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Vundle
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"vundle
set nocompatible

set rtp+=~/.vim/bundle/Vundle.vim 
call vundle#rc('~/.vim/bundle/')  

Plugin 'VundleVim/Vundle.vim'

Plugin 'drmingdrmer/xptemplate'
Plugin 'taglist.vim'

"git interface
Plugin 'tpope/vim-fugitive'
Plugin 'screen.vim'

"filesystem
Plugin 'scrooloose/nerdtree'
Plugin 'jistr/vim-nerdtree-tabs'
Plugin 'kien/ctrlp.vim' 

"python sytax checker
Plugin 'nvie/vim-flake8'
Plugin 'Yggdroot/indentLine'
Plugin 'scrooloose/syntastic'

"R plugin
"Bundle 'Vim-R-plugin'
Plugin 'jalvesaq/Nvim-R'

"buffer
Plugin 'bling/vim-airline'
Plugin 'vim-airline/vim-airline-themes'

"auto-completion stuff
Plugin 'Valloric/YouCompleteMe'

"code folding
Plugin 'tmhedberg/SimpylFold'

"Colors!!!
Plugin 'altercation/vim-colors-solarized'
Plugin 'jnurmine/Zenburn'

call vundle#end()

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => General
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Sets how many lines of history VIM has to remember
set history=500

" Enable filetype plugins
filetype plugin on
filetype indent on

"turn on numbering
set nu

"Set to auto read when a file is changed from the outside
set autoread

"max size 
"au GUIEnter * simalt ~x 
set lines=999 columns=999

cd ~/Workspace

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

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

nmap mm :%s/\r//g<cr>

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

" Turn on the WiLd menu
set wildmenu

" Ignore compiled files
set wildignore=*.o,*~,*.pyc

"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

" use Windows clipboard
set clipboard+=unnamed

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Colors and Fonts
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Enable syntax highlighting
" Set utf8 as standard encoding and en_US as the standard language
set encoding=utf-8
set fileencodings=ucs-bom,utf-8,chinese,latin-1
set fileencoding=utf-8

syntax enable

"set guifont=Consolas:h11
set guifont=Meslo\ LG\ S\ for\ Powerline:h13
set guifontwide=Monaco:h13

if has('gui_running')
  "set background=dark
  "colorscheme solarized
  set guioptions=         ""隐藏全部
else
  colorscheme Zenburn
endif

call togglebg#map("<F12>")

" 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 helplang=cn
source $VIMRUNTIME/delmenu.vim
source $VIMRUNTIME/menu.vim

set langmenu=en_US.UTF-8    ""zh_CN.UTF-8
language messages en_US.UTF-8

" Use Unix as the standard file type
set ffs=unix,dos,mac

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Text, tab and indent related
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" 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


""""""""""""""""""""""""""""""
" => Visual mode related
""""""""""""""""""""""""""""""
" Visual mode pressing * or # searches for the current selection
" Super useful! From an idea by Michael Naumann
vnoremap <silent> * :call VisualSelection('f')<CR>
vnoremap <silent> # :call VisualSelection('b')<CR>


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Moving around, tabs, windows and buffers
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Treat long lines as break lines (useful when moving around in them)
map j gj
map k gk

" 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>

" Close all the buffers
map <leader>ba :1,1000 bd!<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

" 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!)
autocmd BufReadPost *
     \ if line("'\"") > 0 && line("'\"") <= line("$") |
     \   exe "normal! g`\"" |
     \ endif
" Remember info about open buffers on close
set viminfo^=%


""""""""""""""""""""""""""""""
" => Status line
""""""""""""""""""""""""""""""
" 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


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

" Move a line of text using ALT+[jk] or Comamnd+[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 Python and CoffeeScript ;)
func! DeleteTrailingWS()
  exe "normal mz"
  %s/\s\+$//ge
  exe "normal `z"
endfunc
autocmd BufWrite *.py :call DeleteTrailingWS()
autocmd BufWrite *.coffee :call DeleteTrailingWS()

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => vim-scripts Settings
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Plugin catgs, taglist
"set tags=tags
"set autochdir

"let g:ctags_statusline=1
"let generate_tags=1
let Tlist_Use_Horiz_Window=0
map <F1> : TlistToggle<cr>
let Tlist_Show_One_File=1               "不同时显示多个文件的tag，只显示当前文件的
let Tlist_Use_Right_Window=1            "在右侧窗口中显示taglist窗口
let Tlist_Compact_Format=1
let Tlist_Exit_OnlyWindow=1             "如果taglist窗口是最后一个窗口，则退出vim
let Tlist_GainFocus_On_ToggleOpen=1
let Tlist_File_Fold_Auto_Close=1

" Plugin indentLine settings.
let g:indentLine_char = "¦"
let g:indentLine_enabled = 1
let g:autopep8_disable_show_diff=1
map <C-i> :IndentLinesToggle<CR> 


" Plugin syntastic settings.
set statusline+=%#warningmsg#
set statusline+=%{SyntasticStatuslineFlag()}
set statusline+=%*
let g:syntastic_always_populate_loc_list = 1
let g:syntastic_auto_loc_list = 1
let g:syntastic_check_on_open = 0
let g:syntastic_check_on_wq = 0
let g:syntastic_mode_map = {'mode': 'passive', 'active_filetypes': [], 'passive_filetypes': []}

" Use pylint to check python files.
let g:syntastic_python_checkers = ['pylint']
map <F11> :SyntasticToggleMode<CR> :SyntasticCheck<CR>
" Ignore warnings about newlines trailing.
let g:syntastic_quiet_messages = { 'regex': ['trailing-newlines', 'invalid-name',
    \'too-many-lines', 'too-many-instance-attributes', 'too-many-public-methods',
    \'too-many-locals', 'too-many-branches'] }

" Plugin nerdtree settings.
map <F2> :NERDTreeToggle<CR>
let NERDTreeChDirMode=1
let NERDTreeShowBookmarks=1
"let NERDTreeWinSize=25
let NERDTreeShowHidden=1
let NERDTreeQuitOnOpen=0 
let NERDTreeIgnore=['\~$', '\.pyc$', '\.swp$', '\.git$']

" Plugin CtrlP
map <C-p> :CtrlP<CR>

" Plugin SimpylFold
let g:SimpylFold_docstring_preview = 1

" Plugin YouCompleteMe
"let g:ycm_autoclose_preview_window_after_completion=1
"map <leader>g :YcmCompleter GoToDefinitionElseDeclaration<CR>

" Plugin vim-airline
let g:airline_theme="solarized" 
let g:airline_powerline_fonts = 1   

"打开tabline功能,方便查看Buffer和切换,省去了minibufexpl插件
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#buffer_nr_show = 1

"设置切换Buffer快捷键"
nnoremap <C-tab> :bn<CR>
nnoremap <C-s-tab> :bp<CR>

" 关闭状态显示空白符号计数
let g:airline#extensions#whitespace#enabled = 0
let g:airline#extensions#whitespace#symbol = '!'

if !exists('g:airline_symbols')
  let g:airline_symbols = {}
endif

" unicode symbols
let g:airline_left_sep = '»'
let g:airline_left_sep = '▶'
let g:airline_right_sep = '«'
let g:airline_right_sep = '◀'
let g:airline_symbols.crypt = '🔒 '
let g:airline_symbols.linenr = '␊'
let g:airline_symbols.linenr = '␤'
let g:airline_symbols.linenr = '¶'
let g:airline_symbols.maxlinenr = '☰'
let g:airline_symbols.maxlinenr = ''
let g:airline_symbols.branch = '⎇'
let g:airline_symbols.paste = 'ρ'
let g:airline_symbols.paste = 'Þ'
let g:airline_symbols.paste = '∥'
let g:airline_symbols.spell = 'Ꞩ'
let g:airline_symbols.notexists = '∄'
let g:airline_symbols.whitespace = 'Ξ'

"I don't like swap files
set noswapfile

set foldmethod=syntax
set foldlevelstart=99

" Plugin vim-fugitive for git
set laststatus=2 " Always display the status line
set statusline+=%{fugitive#statusline()} "  Git Hotness

" Vim-R-plugin
let maplocalleader = ","
vmap <Space> <Plug>RDSendSelection
nmap <Space> <Plug>RDSendLine
let R_applescript = 1
let R_assign = 0

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Python Settings
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"------------Start Python PEP 8 stuff----------------
" Number of spaces that a pre-existing tab is equal to.
au BufRead,BufNewFile *py,*pyw,*.c,*.h set tabstop=4

"spaces for indents
au BufRead,BufNewFile *.py,*pyw set shiftwidth=4
au BufRead,BufNewFile *.py,*.pyw set expandtab
au BufRead,BufNewFile *.py set softtabstop=4

" Use the below highlight group when displaying bad whitespace is desired.
highlight BadWhitespace ctermbg=red guibg=red

" Display tabs at the beginning of a line in Python mode as bad.
au BufRead,BufNewFile *.py,*.pyw match BadWhitespace /^\t\+/
" Make trailing whitespace be flagged as bad.
au BufRead,BufNewFile *.py,*.pyw,*.c,*.h match BadWhitespace /\s\+$/

" Wrap text after a certain number of characters
au BufRead,BufNewFile *.py,*.pyw, set textwidth=80

" Use UNIX (\n) line endings.
au BufNewFile *.py,*.pyw,*.c,*.h set fileformat=unix

" Set the default file encoding to UTF-8:
set encoding=utf-8

" For full syntax highlighting:
let python_highlight_all=1

" Keep indentation level from previous line:
autocmd FileType python set autoindent

" make backspaces more powerfull
set backspace=indent,eol,start

"Folding based on indentation:
autocmd FileType python set foldmethod=indent
"use space to open folds
nnoremap <space> za
autocmd FileType python nnoremap <buffer> <F5> :w<CR>:!python % <CR>
"map <F5> :!python.exe %

"----------Stop python PEP 8 stuff--------------


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" => vimgrep searching and cope displaying
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" When you press gv you vimgrep after the selected text
vnoremap <silent> gv :call VisualSelection('gv')<CR>

" Open vimgrep and put the cursor in the right position
map <leader>g :vimgrep // **/*.<left><left><left><left><left><left><left>

" Vimgreps in the current file
map <leader><space> :vimgrep // <C-R>%<C-A><right><right><right><right><right><right><right><right><right>

" When you press <leader>r you can search and replace the selected text
vnoremap <silent> <leader>r :call VisualSelection('replace')<CR>

" Do :help cope if you are unsure what cope is. It's super useful!
"
" When you search with vimgrep, display your results in cope by doing:
"   <leader>cc
"
" To go to the next search result do:
"   <leader>n
"
" To go to the previous search results do:
"   <leader>p
"
map <leader>cc :botright cope<cr>
map <leader>co ggVGy:tabnew<cr>:set syntax=qf<cr>pgg
map <leader>n :cn<cr>
map <leader>p :cp<cr>


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Spell checking
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" 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=


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Misc
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" 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 scripbble
map <leader>q :e ~/buffer<cr>

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


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Helper functions
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
function! CmdLine(str)
    exe "menu Foo.Bar :" . a:str
    emenu Foo.Bar
    unmenu Foo
endfunction

function! VisualSelection(direction) range
    let l:saved_reg = @"
    execute "normal! vgvy"

    let l:pattern = escape(@", '\\/.*$^~[]')
    let l:pattern = substitute(l:pattern, "\n$", "", "")

    if a:direction == 'b'
        execute "normal ?" . l:pattern . "^M"
    elseif a:direction == 'gv'
        call CmdLine("vimgrep " . '/'. l:pattern . '/' . ' **/*.')
    elseif a:direction == 'replace'
        call CmdLine("%s" . '/'. l:pattern . '/')
    elseif a:direction == 'f'
        execute "normal /" . l:pattern . "^M"
    endif

    let @/ = l:pattern
    let @" = l:saved_reg
endfunction


" Returns true if paste mode is enabled
function! HasPaste()
    if &paste
        return 'PASTE MODE  '
    en
    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