vimrc

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"updated by: HARDIK KOTHARI""
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Sections:

"    -> Plugins first :)
"    -> 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
"    -> GUI related
"    -> Misc
"    -> Helper functions
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Plugins First
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set exrc
set secure

filetype plugin on
set shellslash
set nocompatible              " be iMproved, required

" activate pathogen
filetype off
call pathogen#infect()
call pathogen#helptags()

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" YouCompleteMe settings
" make YCM compatible with UltiSnips (using supertab)
let g:ycm_key_list_select_completion = ['<C-n>', '<Down>']
let g:ycm_key_list_previous_completion = ['<C-p>', '<Up>']

let g:ycm_confirm_extra_conf = 0

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


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"ultiSnip setting
let g:UltiSnipsExpandTrigger="<tab>"
let g:UltiSnipsJumpForwardTrigger="<tab>"
let g:UltiSnipsJumpBackwardTrigger="<s-tab>"
let g:UltiSnipsEditSplit="vertical" " If you want :UltiSnipsEdit to split your window.


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"color codded settings
let g:color_coded_enabled=1
let g:color_coded_filetypes = ['c', 'cpp', 'objc']
if &diff
  let g:color_coded_enabled = 0
endif

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" youcompleteme settings

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" clang-format settings
let g:clang_format#command = '/Users/kothari/opt/anaconda3/envs/moose/bin/clang-format'
let g:clang_format#auto_format=1 " enable autoformatting on buffer write
let g:clang_format#detect_style_file=1 " detect and load .clang-format file automatically
let g:clang_format#auto_format_on_insert_leave=1

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"airline settings
"let g:airline_theme = 'kalisi'
let g:airline_theme = 'grouvbox'
let g:airline_powerline_fonts = 1
let g:airline#extensions#hunks#enabled = 1
let g:airline#extensions#tagbar#enabled = 1
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#left_alt_sep = '|'

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"NERDTree settings
autocmd vimenter * NERDTree
let g:NERDTreeMouseMode = 2
let g:NERDTreeWinSize = 25

" Add spaces after comment delimiters by default
let g:NERDSpaceDelims = 1

" Use compact syntax for prettified multi-line comments
let g:NERDCompactSexyComs = 1

" Align line-wise comment delimiters flush left instead of following code indentation
let g:NERDDefaultAlign = 'left'

" Set a language to use its alternate delimiters by default
let g:NERDAltDelims_java = 1

" Add your own custom formats or override the defaults
let g:NERDCustomDelimiters = { 'c': { 'left': '/**','right': '*/'  }  }


let NERDTreeIgnore = ['\.pyc$','\.lo$','\.lo.d$']

autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif

"explorer mappings
nnoremap <f2> :NERDTreeToggle<CR>
nnoremap <f3> :TagbarToggle<CR>


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"tagbar settings
autocmd vimenter * Tagbar " start tagbar automatically
"let g:Tlist_Ctags_Cmd='/usr/local/bin/ctags'
let g:tagbar_type_rst = {
    \ 'ctagstype' : 'reStructuredText',
    \ 'kinds'     : [
        \ 'c:chapters',
        \ 's:sections',
        \ 'S:subsections',
        \ 't:subsubsections'
    \ ],
    \ 'kind2scope' : {
        \ 'c' : 'chapter',
        \ 's' : 'section',
        \ 'S' : 'subsection',
        \ 't' : 'subsubsection',
    \ },
    \ 'sro' : '|',
    \ 'scope2kind' : {
        \ 'chapter' : 'c',
        \ 'section' : 's',
    \ },
    \ 'sort': 0,
    \ }

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"base16-color
if filereadable(expand("~/.vimrc_background"))
  let base16colorspace=256
  source ~/.vimrc_background
endif

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"vim-fugitive
set diffopt+=vertical

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"Git gutter (Git diff)
let g:gitgutter_enabled=1
nnoremap <silent> <leader>d :GitGutterToggle<cr>
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => 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
"show incomplete cmds down the bottom
set showcmd
"show current mode down the bottom
set showmode
set number
" 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>

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => VIM user interface
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Set 7 lines to the cursor - when moving vertically using j/k
set scrolloff=7
set scrolloff=3
set sidescroll=1

" Avoid garbled characters in Chinese language windows OS
let $LANG='en'
set langmenu=en

" Turn on the WiLd menu and wildmode
set wildmenu
set wildmode=list:longest,full

" Ignore compiled files
set wildignore=*.pdf,*.pyc,*.o,*.obj,*~,*.lo,*.lo.d "stuff to ignore when tab completing
""""""""""""""""""""""""""""""
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

" In many terminal emulators the mouse works just fine, thus enable it.
if has('mouse')
  set mouse=a
endif

" 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

au BufNewFile,BufRead *.tikz set syntax=tex
au BufNewFile,BufRead,BufReadPost *.C set syntax=cpp
" Enable 256 colors palette in Gnome Terminal
if $COLORTERM == 'gnome-terminal'
    set t_Co=256
endif

try
    colorscheme gruvbox
catch
endtry

set background=dark

" Set extra options when running in GUI mode
if has("gui_running")
    set guioptions-=T
    colorscheme gruvbox
    set encoding=utf-8
    set guifont=MesloLGS\ NF:h10
    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
"hi ColorColumn guibg=#2c2d27 ctermbg=235
"let &colorcolumn=join(range(81,999),",")
highlight ColorColumn ctermbg=darkgray
set colorcolumn=101

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Files, backups and undo
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Turn backup off, since most stuff is in SVN, git etc anyway...
set nobackup
set nowritebackup
set noswapfile

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Text, tab and indent related
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Use spaces instead of tabs
set expandtab ts=2 sw=2 ai

" Be smart when using tabs ;)
set smarttab

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

set shiftround
set smartcase

" Linebreak on 80 characters
set linebreak
"set tw=100

set autoindent      "Auto indent
set smartindent     "Smart indent
set wrap            "Wrap lines
set list
set listchars=tab:▷⋅,trail:⋅,nbsp:⋅

autocmd FileType make setlocal noexpandtab

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Enable folding
set foldmethod=indent
set foldlevel=99

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Visual mode related
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" 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>

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

" 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>

" 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 showtabline=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

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => 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\ \ Column:\ %c

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => PEP8 for python
""""""""""""""""""""""""""""""""""""""""""""""""""
"au BufNewFile,BufRead *.py
"    \ set tabstop=4
"    \ set softtabstop=4
"    \ set shiftwidth=4
"    \ set textwidth=79
"    \ set expandtab
"    \ set autoindent
"    \ set fileformat=unix

let python_highlight_all=1

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => 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()
autocmd BufWrite *.script :call DeleteTrailingWS()

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => 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=

"spell check when writing commit logs
autocmd filetype latex,tex,md,markdown,svn,*commit* setlocal spell

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => GUI related
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Disable scrollbars (real hackers don't use scrollbars for navigation!)
set guioptions-=r
set guioptions-=R
set guioptions-=l
set guioptions-=L

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => 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
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Turn persistent undo on
"    means that you can undo even when you close a buffer/VIM
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
augroup project
    autocmd!
    autocmd BufRead,BufNewFile *.h,*.c,*.C,*.cpp,*.hpp set filetype=c.doxygen
augroup END



try
    set undodir=~/.vim_runtime/temp_dirs/undodir
    set undofile
catch
endtry
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" find the word frequency
" function! WordFrequency() range
"  let all = split(join(getline(a:firstline, a:lastline)), '\A\+')
"  let frequencies = {}
"  for word in all
"    let frequencies[word] = get(frequencies, word, 0) + 1
"  endfor
"  new
"  setlocal buftype=nofile bufhidden=hide noswapfile tabstop=20
"  for [key,value] in items(frequencies)
"    call append('$', key."\t".value)
"  endfor
"  sort i
"endfunction
"command! -range=% WordFrequency <line1>,<line2>call WordFrequency()