vimrc

" Vundle setup
    filetype off
    " set the runtime path to include Vundle and initialize
    let g:textobj_entire_no_default_key_mappings=1
	if has("win32")
		set rtp+=$HOME/vimfiles/bundle/Vundle.vim/
		call vundle#begin('$USERPROFILE/vimfiles/bundle/')
	else
		set rtp+=$HOME/.vim/bundle/Vundle.vim/
		call vundle#begin()
	endif

    " Plugin 'git://github.com/dhruvasagar/vim-prosession'
    " Plugin 'git://github.com/eagletmt/ghcmod-vim'
    " Plugin 'git://github.com/endel/vim-github-colorscheme'
    " Plugin 'git://github.com/goldfeld/vim-seek'
    " Plugin 'git://github.com/justinmk/vim-sneak'
    " Plugin 'git://github.com/kana/vim-smartword'
    " Plugin 'git://github.com/kshenoy/vim-signature'
    " Plugin 'git://github.com/junegunn/vim-easy-align'
    " Plugin 'git://github.com/nice/sweater'
    Plugin 'git://github.com/freeo/vim-kalisi'
    " Plugin 'git://github.com/Julian/vim-textobj-brace'
    " Plugin 'git://github.com/Julian/vim-textobj-variable-segment.git'
    " Plugin 'git://github.com/Lokaltog/vim-easymotion'
    " Plugin 'git://github.com/Shougo/neocomplete.vim'
    " Plugin 'git://github.com/Shougo/vimproc.vim'
    Plugin 'git://github.com/SirVer/ultisnips'
    " Plugin 'git://github.com/Twinside/vim-haskellConceal'
    Plugin 'git://github.com/airblade/vim-gitgutter'
    " Plugin 'git://github.com/altercation/vim-colors-solarized'
    " Plugin 'git://github.com/beloglazov/vim-textobj-quotes'
    Plugin 'git://github.com/bronson/vim-visual-star-search'
    Plugin 'git://github.com/dag/vim-fish'
    Plugin 'git://github.com/dag/vim2hs'
    Plugin 'git://github.com/dan-t/vim-hdevtools'
    " Plugin 'git://github.com/eagletmt/neco-ghc'
    " Plugin 'git://github.com/glts/vim-textobj-comment'
    Plugin 'git://github.com/gmarik/Vundle.vim'
    Plugin 'git://github.com/godlygeek/tabular'
    " Plugin 'git://github.com/honza/vim-snippets'
    Plugin 'git://github.com/itchyny/lightline.vim'
    " Plugin 'git://github.com/kana/vim-textobj-entire'
    " Plugin 'git://github.com/kana/vim-textobj-lastpat'
    " Plugin 'git://github.com/kana/vim-textobj-line'
    " Plugin 'git://github.com/kana/vim-textobj-user'
    " Plugin 'git://github.com/kana/vim-textobj-diff'
    " Plugin 'git://github.com/lervag/vim-latex'
    Plugin 'git://github.com/majutsushi/tagbar'
    " Plugin 'git://github.com/michaeljsmith/vim-indent-object'
    " Plugin 'git://github.com/mileszs/ack.vim'
    " Plugin 'git://github.com/nanotech/jellybeans.vim'
    " Plugin 'git://github.com/rbonvall/vim-textobj-latex'
    " Plugin 'git://github.com/scrooloose/syntastic'
    " Plugin 'git://github.com/sgur/vim-textobj-parameter'
    Plugin 'git://github.com/sjl/gundo.vim'
    Plugin 'git://github.com/chrisbra/Colorizer'
    " Plugin 'git://github.com/thinca/vim-textobj-between'
    Plugin 'git://github.com/tommcdo/vim-exchange'
    Plugin 'git://github.com/tomtom/tcomment_vim'
    Plugin 'git://github.com/tpope/vim-abolish'
    Plugin 'git://github.com/tpope/vim-dispatch'
    Plugin 'git://github.com/maxbrunsfeld/vim-yankstack'
    Plugin 'git://github.com/tpope/vim-eunuch'
    Plugin 'git://github.com/tpope/vim-fugitive'
    Plugin 'git://github.com/tpope/vim-obsession'
    Plugin 'git://github.com/tpope/vim-repeat'
    Plugin 'git://github.com/tpope/vim-sensible'
    Plugin 'git://github.com/tpope/vim-surround'
    Plugin 'git://github.com/tpope/vim-unimpaired'
    Plugin 'git://github.com/vim-scripts/ReplaceWithRegister'
    Plugin 'git://github.com/vim-scripts/UnconditionalPaste'
    " Plugin 'git://github.com/vim-scripts/argtextobj.vim'
    " Plugin 'git://github.com/xolox/vim-misc'
    " Plugin 'git://github.com/yegappan/mru'
    Plugin 'git://github.com/zeis/vim-kolor'

    call vundle#end()
    call yankstack#setup() " initialization to hijack key bindings

" Basic
    set encoding=utf-8
    set updatetime=1000 " ms
    set confirm

    " Minimal pathogen setup…
    " execute pathogen#infect()

    syntax on
    filetype plugin indent on

    set dictionary=/usr/share/hunspell/en_GB.dic,/usr/share/hunspell

    " Backup
        " set no ~ files, no .swp files, updatecount = 0 makes swapfile option irrelevant
        set nobackup
        set noswapfile
        " Disable swap files
        set updatecount=0

    " Terminal
        " if !has('gui')
            " set term=$TERM          " Make arrow and other keys work
        " endif
        if &shell =~# 'fish$'
            set shell=bash\ --login
        endif
        set ttyfast
        set title                   " terminal title

    " mouse
        set mouse=a                 " Automatically enable mouse usage
        set mousehide               " Hide the mouse cursor while typing

    " viminfo stores the the state of your previous editing session
        set viminfo+=n~/.vim/viminfo

    " session options
        set sessionoptions+=localoptions
        set sessionoptions+=resize
        set sessionoptions+=winpos

    " Move undo and info files to .vim
        if exists("+undofile")
            " This, like swap and backups, uses .vim-undo first, then ~/.vim/undo
            " :help undo-persistence
            " This is only present in 7.3+
            if isdirectory($HOME . '/.vim/undo') == 0
                silent !mkdir -p ~/.vim/undo > /dev/null 2>&1
            endif
            set undodir=~/.vim/undo/
            set undofile
        endif

 " Display
    " → ⎆ ⇨ ⟸ ⥰ ⬱ ␊ ⫘ ⩊ ⏖ ↔ ↪ ⨭ ◖ 𝌻 ⌇ ⌒ …
    set showbreak=…
    set t_Co=256 " must be before colorscheme
    set background=dark
    colorscheme molokai
    " highlight normal ctermbg=234


    " List invisible characters
        set list
        " set listchars=tab:➝\ ,eol:¬
        set listchars=tab:⤑\ ,extends:❯,precedes:❮
        "·  ⇾  ⇨  ⇀  ➝  →  ⇥  ⟶  ⟼  ⤏  ⧐  ―


    set cursorline
    set nowrap
    set textwidth=80
    set formatoptions=qrn1
    set relativenumber
    set number

    " c: autowrap comments
    " t: autowrap text
    " r: automatically insert comment leader
    " q: allow formatting of comments with gq
    " a: autoformat paragraphs
    " n: recognize numbered lists
    " 1: avoid line break after 1-letter word.
    " j: remove superflous comments when joining lines
    set formatoptions=cqrn1lj
    set relativenumber

    " Search
    set showmatch
    set matchtime=5

    " Fold presentation
        set foldtext=MyFoldText()
        function! MyFoldText()
            let line = getline(v:foldstart)
            if match( line, '^[ \t]*\(\/\*\|\/\/\)[*/\\]*[ \t]*$' ) == 0
                let initial = substitute( line, '^\([ \t]\)*\(\/\*\|\/\/\)\(.*\)', '\1\2', '' )
                let linenum = v:foldstart + 1
                while linenum < v:foldend
                let line = getline( linenum )
                let comment_content = substitute( line, '^\([ \t\/\*]*\)\(.*\)$', '\2', 'g' )
                if comment_content != ''
                    break
                endif
                let linenum = linenum + 1
                endwhile
                let sub = initial . ' ' . comment_content
            else
                let sub = line
                let startbrace = substitute( line, '^.*{[ \t]*$', '{', 'g')
                if startbrace == '{'
                let line = getline(v:foldend)
                let endbrace = substitute( line, '^[ \t]*}\(.*\)$', '}', 'g')
                if endbrace == '}'
                    let sub = sub.substitute( line, '^[ \t]*}\(.*\)$', '...}\1', 'g')
                endif
                endif
            endif
            let n = v:foldend - v:foldstart + 1
            let info = " " . n . " lines"
            let sub = sub . "                                                                                                                  "
            let num_w = getwinvar( 0, '&number' ) * getwinvar( 0, '&numberwidth' )
            let fold_w = getwinvar( 0, '&foldcolumn' )
            " ↲ ↪ ⧽ 【 ▛ ▟ 】 ⤹ ⬇ ∋ 𝌞 ■ ▌ ▟ ▚ ▼ ◤ ┏ ⎩ ⎝ ⤥ ( ❨ ⟮ ⟫ ⎡ ▏ ▍ ▐
            let rsign = '⤶'
            let lsign = '𝌻'
            let sub = lsign .  strpart( sub, 0, winwidth(0) - strlen( info ) - num_w - fold_w - 1 )
            return sub . rsign . info
        endfunction

" Behavior
    set autochdir " sync current directory with current file
    set lazyredraw " avoid redrawing screen while macro is running

    set virtualedit=onemore,block " Allow for cursor beyond last character
    " set iskeyword-=_ " treat _ as a word boundary

    " autocompletions
        set completeopt=menuone,preview
        set complete+=kspell
        set omnifunc=syntaxcomplete#Complete
        set tags=./.tags,.tags,/home/s/.vim/tags;

    " Completion
        " to be able to use wildchar in macros
        set wildcharm=<C-Z>

        set wildmenu
        set wildmode=list:longest,full
        set wildignore=*.swp,*.acn,*.aux,*.bak,*.bmp,*.exe,*.glo,*.hi,*.jpg,*.log,*.o,*.out,*.pdf,*.pyc,*.thm,*.toc,*.xdy,*~,*.gz,*.xz,*.tar,*.zip,*.gz(busy),*.png
        set wildignorecase

    " Fold
        " set foldclose=all
        set foldlevel=2

    " Autocommands
        " hide cursorline when inserting
        augroup cline
            autocmd!
            autocmd InsertEnter * set nocursorline
            autocmd FocusGained * set cursorline
        augroup END

        " set only cursorline for active window
        augroup showActiveWindow
            autocmd!
            autocmd BufEnter * set cursorline
            autocmd BufLeave * set nocursorline
        augroup END

        augroup behaviour
            autocmd!
            " Save all on lost focus if buffer has name
            autocmd FocusLost * silent! wall

            " Strip trailing whitespace on save
            autocmd BufWritePre * call myautoloads#StripTrailingWhitespaces()
        augroup END

        " equalize window on resized
        augroup windows
            autocmd!
            autocmd VimResized * wincmd =
        augroup END

        augroup fileTypes
            autocmd!
            " Treat .rss files as XML
            autocmd BufNewFile,BufRead *.rss setfiletype xml

            autocmd FileType c,h           setlocal tags+=~/.vim/tags/c
            autocmd FileType cpp,hpp       setlocal tags+=~/.vim/tags/c++
            autocmd FileType py            setlocal tags+=~/.vim/tags/py_2.7,~/.vim/tags/tags_py_3.2

            " Enable omni completion.
            autocmd FileType cpp           setlocal omnifunc=omni#cpp#complete#Main
            autocmd FileType css           setlocal omnifunc=csscomplete#CompleteCSS
            autocmd FileType html,markdown setlocal omnifunc=htmlcomplete#CompleteTags
            autocmd FileType javascript    setlocal omnifunc=javascriptcomplete#CompleteJS
            autocmd FileType python        setlocal omnifunc=pythoncomplete#Complete
            autocmd FileType python        setlocal tabstop=4 noexpandtab shiftwidth=4
            autocmd FileType ruby          setlocal omnifunc=rubycomplete#Complete
            autocmd FileType xml           setlocal omnifunc=xmlcomplete#CompleteTags
            " ISSUE doesn't work autocmd FileType markdown      setlocal makeprg=markdown\ %\ >%.html
            autocmd BufEnter *.md          setlocal makeprg=markdown\ %\ >%:t:r.html
            autocmd BufWritePost vimrc     source $MYVIMRC
        augroup END

    set formatprg=par\ -w70
    set smartindent
    set splitright
    set splitbelow

    " Automatically update file if it has been modified outside vim
        set autoread
        set autowrite

    " hide buffer instead of closing them
        set hidden

    set scrolljump=20
    set sidescroll=1
    set sidescrolloff=10
    set sessionoptions=blank,buffers,curdir,folds,tabpages,winsize

        " Tabbing
        " search term contains upper case
        set smarttab
        set softtabstop=4
        set shiftwidth=4
        set shiftround
        set tabstop=4

    " conceal feature
        " conceal everything but sub / superscripts
        let g:tex_conceal="adgm"

    " searching
        set ignorecase " when searching
        set smartcase  " case-sensitife if uppercase in expression

        " highlight as you type
            set incsearch

        set gdefault   " default global on substitute command

    " hack: avoid inserting characters instead of the action of an arrow in
    " terminal
        imap <ESC>oA <ESC>ki
        imap <ESC>oB <ESC>ji
        imap <ESC>oC <ESC>li
        imap <ESC>oD <ESC>hi

" Keymaps
    let mapleader = "\\"
    let maplocalleader = "-"

    " Error on quickly quitting
        nnoremap :W :w
    " Repeat last Ex command
        nnoremap <leader>q q:k<CR>

    " Exit insert mode and write
        inoremap <C-W> <esc>:w<CR>

    " Kill window
        nnoremap K :q<CR>

    " Go to matching
        nnoremap <Tab> %

    " Bufferlist
        nnoremap <Leader>b :b <C-Z>

    " Display search matches in center of screen
        nnoremap n nzzzv
        nnoremap N Nzzzv

    " Same when jumping around
        nnoremap g; g;zz
        nnoremap g, g,zz
        nnoremap <c-o> <c-o>zz
        nnoremap <c-i> <c-i>zz

    " Easier start / end move in line
        noremap H ^
        noremap L g_

    " Format
        nnoremap Q gqip
        vnoremap Q gq

    " Sudo write
        cnoremap w!! SudoWrite


    " Execute last ex command
        nnoremap <leader>q q:k<CR>

    " LEARN
        inoremap <C-W> <esc>:w<CR>




    " Vim-textobj-entire
        xmap aE <Plug>(textobj-entire-a)
        omap aE <Plug>(textobj-entire-a)
        xmap iE <Plug>(textobj-entire-i)
        omap iE <Plug>(textobj-entire-i)



    " Find last match in line
        nnoremap gf $F

    " Complete word from line above / under
        "<Esc>gi ensures Insert (not Replace) mode
        " inoremap <C-l> <Esc>gi<Space><Esc>gkywgjvpa
        " inoremap <C-b> <Esc>gi<Space><Esc>gjywgkvpa

    " Dmenu integration
        " map <leader-t> :call DmenuOpen("tabe")<cr>
        " map <leader-f> :call DmenuOpen("e")<cr>

        " Strip the newline from the end of a string
        function! Chomp(str)
            return substitute(a:str, '\n$', '', '')
        endfunction

        " Find a file and pass it to cmd
        function! DmenuOpen(cmd)
            let fname = Chomp(system("locate `pwd` | dmenu -i -l 20 -p " . a:cmd))
            if empty(fname)
                return
            endif
            execute a:cmd . " " . fname
        endfunction

    " Yank to end of line
     nnoremap Y yg_

    " Dot command in visual mode
        vnoremap . :norm.<CR>

    " Move in insert
        inoremap <C-O>b <Esc>bi
        inoremap <C-O>w <Esc>wi
        inoremap <C-O>e <Esc>ei
        inoremap <C-O>h <Esc>eh
        inoremap <C-O>j <Esc>ej
        inoremap <C-O>k <Esc>ek
        inoremap <C-O>l <Esc>el

    " Help
        cabbrev h tab h

    " Mru
        nnoremap <Leader>m :Mru<Space>

    " Diff
        nnoremap do do]c
        nnoremap dp do]c

    " Symbols
        " imap ... …
        " imap ->  →
        imap :)  ☺
        imap :-) ☺

    " I use the colon more often than the semicolon
        nnoremap : ;
        nnoremap ; :
        cnoremap : ;
        cnoremap ; :
        xnoremap : ;
        xnoremap ; :
        vnoremap : ;
        vnoremap ; :

    " keep only marked area
        vnoremap o ygg"_dGpkdd

    " Window focus and create
        nnoremap <Leader>h : call myautoloads#WinMove('h')<cr>
        nnoremap <Leader>k : call myautoloads#WinMove('k')<cr>
        nnoremap <Leader>l : call myautoloads#WinMove('l')<cr>
        nnoremap <Leader>j : call myautoloads#WinMove('j')<cr>

    " window rotate
        nnoremap <A-w>r <C-W>r

    " Window resize
        nnoremap <left>  :12wincmd <<cr>
        nnoremap <right> :12wincmd ><cr>
        nnoremap <up>    :12wincmd +<cr>
        nnoremap <down>  :12wincmd -<cr>
        vnoremap <right> :12wincmd ><cr>
        vnoremap <left>  :12wincmd <<cr>
        vnoremap <up>    :12wincmd +<cr>
        vnoremap <down>  :12wincmd -<cr>

    " alternative resizing
        nnoremap <silent> <Leader>+ :exe "resize " . (winheight(0) * 3/2)<CR>
        nnoremap <silent> <Leader>- :exe "resize " . (winheight(0) * 2/3)<CR>

    " map go to tags interactively
        noremap <C-]> g<C-]>

    " remap command line serch
        cnoremap <C-j> <Up>
        cnoremap <C-k> <Down>

    " replace mode: treat tabs as several spaces
        nnoremap R gR

    " Esc remappings
        inoremap jk <Esc>
        inoremap <Esc> <Esc>

    " open url in browser
        nnoremap <C-LeftMouse> :call myautoloads#Browser()<cr>

    " Indent whole file
        noremap g= mzgg=G`z<CR>m'z

    " delete text to black hole
        nnoremap <Leader>d "_d

    " Visual shifting (does not exit Visual mode)
        vnoremap < <gv
        vnoremap > >gv

    " Visual line repeat {{{2
        xnoremap . :normal .<CR>
        xnoremap @ :<C-u>call myautoloads#ExecuteMacroOverVisualRange()<CR>

    " Count folded lines as several
        nnoremap j gj
        nnoremap k gk

    " Bubbl multiple lines in visual mode
        vmap <C-k> [egv
        vmap <C-j> ]egv

    " Visually select the text that was last edited/pasted
        nnoremap gV `[v`]

    " Paste
        nnoremap <Leader>v :Paste<CR>
        vnoremap <Leader>v :Paste<CR>

    " make * and # search work in visual mode too
        xnoremap * :<C-u>call myautoloads#VSetSearch('/')<CR>/<C-R>=@/<CR><CR>
        xnoremap # :<C-u>call myautoloads#VSetSearch('?')<CR>?<C-R>=@/<CR><CR>

    " recursively vimgrep for word under cursor or selection if you hit leader-star
        nnoremap <leader>* :execute 'noautocmd vimgrep /\V' . substitute(escape(expand("<cword>"), '\'), '\n', '\\n', 'g') . '/ **'<CR>
        vnoremap <leader>* :<C-u>call myautoloads#VSetSearch()<CR>:execute 'noautocmd vimgrep /' . @/ . '/ **'<CR>

    " search without regex normally
        cnoremap s/ s/\v
        nnoremap / /\v
        vnoremap / /\v

    " Tabular.vim
        cabbrev tab Tabularize /

    " Tasklist, todo, bug, issue
        command! Issue :execute 'vimgrep ISSUE '.expand('%') | :copen | :cc
        command! Bug   :execute 'vimgrep BUG '.expand('%')   | :copen | :cc
        command! Todo  :execute 'vimgrep TODO '.expand('%')  | :copen | :cc

" Plugins
    " Bufexplorer
        let g:bufExplorerShowTabBuffer = 1

    " Easyclip
        let g:EasyClipUseSubstituteDefaults = 1
        let g:EasyClipDoSystemSync = 0

        " Reenable marks
        nnoremap gm m

    " Syntastic
        let g:syntastic_haskell_checkers = ['hdevtools']

    " Easytags
        let g:easytags_async         = 1
        let g:easytags_dynamic_files = 1
        " let g:easytags_by_filetype   = '~/.vim/filetype_tags'
        let g:easytags_file          = '~/.vim/tags'
        let g:easytags_languages = {
        \   'haskell': {
        \       'cmd': '~/.cabal/bin/lushtags',
        \       'args': [],
        \       'fileoutput_opt': '-f',
        \       'stdout_opt': '-f-',
        \       'recurse_flag': '-R'
        \   }
        \}

    " Gitgutter
        " ⊛ ⁕ ✵ ⚝ ✦ ✶ ❉ ᶯ ␡ ⎌' ⥃' ↚ ⇄
        let g:gitgutter_sign_added = '→'
        let g:gitgutter_sign_removed = '␡'
        let g:gitgutter_sign_modified = '↔'
        let g:gitgutter_sign_modified_removed = '↜'

        nnoremap <leader>n :call NextHunkAndView()<cr>
        nnoremap <leader>p :call PrevHunkAndView()<cr>

        function! NextHunkAndView()
            call gitgutter#hunk#next_hunk(1)
            call gitgutter#preview_hunk()
        endfunction
        function! PrevHunkAndView()
            call gitgutter#hunk#prev_hunk(1)
            call gitgutter#preview_hunk()
        endfunction

    " Lightline
        let g:lightline = {
        \ 'component': {
        \   'lineinfo': ' %3l:%-2v',
        \ },
        \ 'component_function': {
        \   'readonly': 'MyReadonly',
        \   'fugitive': 'MyFugitive'
        \ },
        \ 'subseparator': { 'left': '', 'right': '' }
        \ }

        function! MyReadonly()
            return &readonly ? '' : ''
        endfunction

        function! MyFugitive()
            if exists("*fugitive#head")
                let _ = fugitive#head()
                " return strlen(_) ? '⎇'._ : ''
                return strlen(_) ? '⎇'._ : ''
            endif
            return ''
        endfunction

    " neocomplete
        let g:neocomplete#enable_at_startup = 1
        let g:neocomplete#enable_smart_case = 1
        let g:neocomplete#sources#syntax#min_keyword_length = 3
        inoremap <silent> <CR> <C-r>=<SID>my_cr_function()<CR>
        function! s:my_cr_function()
            return pumvisible() ? neocomplete#close_popup() . "\<Esc>" : "\<CR>"
        endfunction

        ret

        inoremap <expr><C-g> neocomplete#undo_completion()
        inoremap <expr><C-l> neocomplete#complete_common_string()
        inoremap <expr><Tab> pumvisible() ? "\<C-n>" : "\<Tab>"
        inoremap <expr><C-Tab> pumvisible() ? "\<C-n><esc>" : "\<Tab>"

    " haskell
        highlight HaskellType ctermbg=232
        let g:ghcmod_type_highlight = 'HaskellType'

    " ultisnips
        let g:UltiSnipsExpandTrigger="<C-a>"
        let g:UltiSnipsJumpForwardTrigger="<C-j>"
        let g:UltiSnipsJumpBackwardTrigger="<C-k>"
        let g:UltiSnipsEditSplit="vertical"
        set rtp+=~/.vim/UltiSnips

    " airline
        let g:airline#extensions#bufferline#enabled     = 1
        let g:airline#extensions#syntastic#enabled      = 1
        let g:airline#extensions#tabline#buffer_nr_show = 1
        let g:airline#extensions#tabline#enabled        = 1
        let g:airline#extensions#tabline#fnamemod       = 1
        let g:airline#extensions#tagbar#enabled         = 1
        let g:airline#extensions#hunks#enabled          = 1
        let g:airline#extensions#hunks#non_zero_only    = 0
        " let g:airline#extensions#tagbar#flags         = 'f'
        " let g:airline#extensions#tagbar#flags         = 's'
        " let g:airline#extensions#tagbar#flags         = 'p'
        let g:airline#extensions#whitespace#enabled     = 0
        let g:airline_exclude_preview                   = 1
        let g:airline_inactive_collapse                 = 1
        let g:airline_powerline_fonts                   = 1
        let g:airline_theme                             = "powerlineish"


    " Most recently used
        let MRU_File = $HOME . "/.vim/mru-files"
        let MRU_Window_Height = 20

    " YankStack
        let g:yankstack_map_keys = 0
        nmap <c-p> <Plug>yankstack_substitute_older_paste
        nmap <c-n> <Plug>yankstack_substitute_newer_paste

    " nerdtree
        " autocmd vimenter * if !argc() | NERDTree | endif
        noremap qnn :NERDTreeToggle<CR>

    " close vim if only nerdtree is open
    "autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTreeType") && b:NERDTreeType == "primary") | q | endif

    " necoghc
        let g:necoghc_enable_detailed_browse = 1

    " Tagbar
        nnoremap <Leader>t :TagbarToggle<CR>
        let g:tagbar_autoclose = 1
        let g:tagbar_autofocus = 1

" Functions
    " Diff of current content with saved content
        function! s:DiffWithSaved()
            let filetype=&ft
            diffthis
            vnew | r # | normal! 1Gdd
            diffthis
            exe "setlocal bt=nofile bh=wipe nobl noswf ro ft=" . filetype
        endfunction
        com! DiffSaved call s:DiffWithSaved()

    " paste convenient
        function! Paste()
            set paste
            normal "+p
            set nopaste
        endfunction
        command! Paste call Paste()<CR>

    " remove duplicates
        function! RemoveDuplicates()
            %sort
            g/^\(.*\)$\n\1$/d
        endfunction

" Startup
    if glob("Session.vim") != ''
        silent source Session.vim
    endif

" " Text objects
"   call textobj#user#plugin('number', {
"   \   'natural': {
"   \     'pattern': '\v\d+',
"   \     'select': ['ad', 'id']
"   \   },
"   \   'frac': {
"   \     'pattern': '\v\d+(\.\d+)?\/\d+(\.\d+)?',
"   \     'select': ['af', 'if'],
"   \   },
"   \   'real': {
"   \     'pattern': '\d\+\(\.\d\+\)\?',
"   \     'select': ['an', 'in'],
"   \   }
"   \ })
"
"   call textobj#user#plugin('block', {
"   \   'vertical': {
"   \     'select-a-function': 'VerticalBlockOuter',
"   \     'select-a': 'aV',
"   \     'select-i-function': 'VerticalBlockInner',
"   \     'select-i': 'iV',
"   \   },
"   \   'horizontal': {
"   \     'select-a-function': 'HorizontalBlockOuter',
"   \     'select-a': 'aH',
"   \     'select-i-function': 'HorizontalBlockInner',
"   \     'select-i': 'iH',
"   \   },
"   \ })
"
" set rtp+=~/.vim/pythonx
" python << endpython
" from block_object import find_block
" endpython
"
" function! VerticalBlockInner()
" python << endpython
" find_block()
" endpython
" endfunction
"
" function! HorizontalBlockInner()
" python << endpython
" find_block(vertical = False)
" endpython
" endfunction
"
" function! VerticalBlockOuter()
" python << endpython
" find_block(outer = True)
" endpython
" endfunction
"
" function! HorizontalBlockOuter()
" python << endpython
" find_block(vertical = False, outer = True)
" endpython
" endfunction

" TODO
    " unset hlsearch after substitute command
    " fix paste command

" vim: set ft=vim foldmethod=indent: