.vimrc

.vimrc

set nocompatible              " be vimproved, required
filetype off                  " required

" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()
" " alternatively, pass a path where Vundle should install plugins
" "call vundle#begin('~/some/path/here')
"
" " let Vundle manage Vundle, required
Plugin 'VundleVim/Vundle.vim'
Plugin 'scrooloose/syntastic'
Plugin 'vim-airline/vim-airline'
Plugin 'tpope/vim-git'
Plugin 'jlanzarotta/bufexplorer'
Plugin 'henrik/vim-indexed-search'
Plugin 'scrooloose/nerdcommenter'
Plugin 'honza/vim-snippets'
Plugin 'mbbill/undotree'
Plugin 'majutsushi/tagbar'
Plugin 'kien/rainbow_parentheses.vim'
"
" The following are examples of different formats supported.
" Keep Plugin commands between vundle#begin/end.
" plugin on GitHub repo
" plugin from http://vim-scripts.org/vim/scripts.html
" Plugin 'YankRing.vim'
Plugin 'mru.vim'
" " Git plugin not hosted on GitHub
" Plugin 'git://git.wincent.com/command-t.git'
" " git repos on your local machine (i.e. when working on your own plugin)
" Plugin 'file:///home/gmarik/path/to/plugin'
" " The sparkup vim script is in a subdirectory of this repo called vim.
" " Pass the path to set the runtimepath properly.
" Plugin 'rstacruz/sparkup', {'rtp': 'vim/'}
" " Avoid a name conflict with L9
" Plugin 'user/L9', {'name': 'newL9'}
"
" " All of your Plugins must be added before the following line
call vundle#end()            " required
" filetype plugin indent on    " required
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => General
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" 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

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

" 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


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => VIM user interface
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" 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/*,*/.DS_Store
else
    set wildignore+=.git\*,.hg\*,.svn\*
endif

"Always show current position
set ruler

" Height of the command bar
set cmdheight=2

" A buffer becomes hidden when it is abandoned
set hidden

" 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

" Add a bit extra margin to the left
set foldcolumn=1


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

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


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Text, tab and indent related
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Use spaces instead of tabs
set expandtab

" Be smart when using tabs ;)
set smarttab

" 1 tab == 2 spaces
set shiftwidth=2
set tabstop=2

" Linebreak on 500 characters
set linebreak
set textwidth=500

set autoindent smartindent 
set wrap "Wrap lines

" display tabs and trailing spaces
set list
set listchars=tab:▷⋅,trail:⋅,nbsp:⋅

""""""""""""""""""""""""""""""
" => 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>:tabclose<cr>gT

" Close all the buffers
map <leader>ba :bufdo 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 
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!)
" 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()


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Ag searching and cope displaying
"    requires ag.vim - it's much better than vimgrep/grep
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" When you press gv you Ag after the selected text
vnoremap <silent> gv :call VisualSelection('gv', '')<CR>

" Open Ag and put the cursor in the right position
map <leader>g :Ag 

" 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 Ag, 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 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>




"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Helper functions
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
function! CmdLine(str)
    exe "menu Foo.Bar :" . a:str
    emenu Foo.Bar
    unmenu Foo
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 == 'b'
        execute "normal ?" . l:pattern . "^M"
    elseif a:direction == 'gv'
        call CmdLine("Ag \"" . 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  '
    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

""""""""""""""""""""""""""""""""""""""""
" Plugin Configuration.                "
""""""""""""""""""""""""""""""""""""""""

" MRU
let MRU_Max_Entries = 400
map <leader>f :MRU<CR>

" Undo Tree
if has("persistent_undo")
  set undodir=~/.vim_undo_tree/
  set undofile
endif

""""""""""""""""""""""""""""""""""""""""
" External Tools                       "
""""""""""""""""""""""""""""""""""""""""

" Clang Format
map <C-f> :pyf /usr/share/vim/addons/syntax/clang-format.py<cr>
imap <C-f> <c-o>:pyf /usr/share/vim/addons/syntax/clang-format.py<cr>