dotvim/init.vim

""
"" Environment
""

" Vim environment
let data    = $XDG_DATA_HOME.'/nvim'
let config  = $XDG_CONFIG_HOME.'/nvim'
let cache   = $XDG_CACHE_HOME .'/nvim'
let plugins = data.'/plugins'

let &directory = cache.',~/,/tmp'
let &backupdir = cache.',~/,/tmp'
let &viminfo   = cache.'/info'

" Ctags data
let &tags = cache.'/tags'

" Keep history
let &undodir = cache.'/undo'
set undofile


""
"" Plugins
""

call plug#begin(plugins)

" UI
Plug 'kien/ctrlp.vim'
Plug 'itchyny/lightline.vim'
Plug 'airblade/vim-gitgutter'
Plug 'majutsushi/tagbar',           { 'on' : 'TagbarToggle' }
Plug 'mbbill/undotree',             { 'on' : 'UndotreeToggle' }
Plug 'milkypostman/vim-togglelist'

" Syntax
Plug 'travitch/hasksyn'
Plug 'LnL7/vim-nix'
Plug 'ngn/vim-apl'
Plug 'vim-pandoc/vim-pandoc-syntax'
Plug 'kchmck/vim-coffee-script'
Plug 'hdima/python-syntax'

" Misc
Plug 'townk/vim-autoclose'
Plug 'tpope/vim-fugitive'
Plug 'ervandew/supertab'
Plug 'neomake/neomake'

call plug#end()


""
"" Options
""

set hidden                              " Hide buffers
set incsearch                           " Incremental search
set mouse=a                             " Enable mouse support

set ignorecase                          " Case insensitive search...
set smartcase                           " ...for lowercase terms

set showcmd                             " Show command while writing it
set ruler                               " Show line/column position
set nowrap                              " Disable line wrap
set novb                                " Disable visual beep
set nofoldenable                        " Disable folding

set nobackup                            " Disable ~backup
set noswapfile                          " Disable swap files
set writebackup                         " Enable temp backups

set nomodeline                          " Security
set tabpagemax=10                       " Limit number of tabs to 10
set showmatch                           " Highlight matched parenthesis
set ffs=unix                            " Use UNIX file format
set clipboard=unnamedplus               " Clipboard integration
set wildignore+=*/tmp/*,*.so,*.swp      " Files to ignore

set shiftwidth=2                        " Tab
set tabstop=2                           "
set expandtab                           "

set number                              " Line numbering
set smartindent                         " Indentation
set noshowmode                          "

set shell=sh                            " Needs a POSIX shell

syntax on                               " Syntax highlighting
runtime colors.vim                      " Load color scheme
filetype indent plugin on               " Identify file type

" Titlebar without “-VIM”
set titlestring=%t%(\ %M%)%(\ (%{expand(\"%:p:h\")})%)%(\ %a%)

" change cursor style
autocmd VimLeave * set guicursor=a:hor20-blinkon20

" use pandoc markdown syntax
augroup pandoc_syntax
    au! BufNewFile,BufFilePre,BufRead *.md set filetype=markdown.pandoc
augroup END

""
"" Key bindings
""
let mapleader=","

" Windows navigation
map <C-k> <C-w><Up>
map <C-j> <C-w><Down>
map <C-l> <C-w><Right>
map <C-h> <C-w><Left>

" Plugins
map <Leader>t :TagbarToggle<CR>
map <Leader>u :UndotreeToggle<CR>

" Misc
inoremap jj <ESC>
noremap o o<ESC>
noremap O O<ESC>

""
"" Plugin options
""

" Lightline
runtime lightline.vim

" Neomake
call neomake#configure#automake('nwr', 750)
let g:neomake_warning_sign = {
  \ 'text': 'W→',
  \ 'texthl': 'WarningMsg',
  \ }
let g:neomake_error_sign = {
  \ 'text': 'E→',
  \ 'texthl': 'ErrorMsg',
  \ }
let g:neomake_highlight_lines = 1

" Tagbar
let g:tagbar_status_func = "TagbarStatusFunc"
let g:tagbar_compact     = 1
let g:tagbar_iconchars   = [">", "∨"]

" MiniBufferExplorer
let g:miniBufExplMapWindowNavVim    = 1
let g:miniBufExplMapWindowNavArrows = 1
let g:miniBufExplMapCTabSwitchBufs  = 1
let g:miniBufExplModSelTarget       = 1

" CtrlP
let g:ctrlp_clear_cache_on_exit = 0
let g:ctrlp_follow_symlinks     = 1
let g:ctrlp_custom_ignore = {"dir": "\v[\/]\.(git|hg|svn|ve)$"}
let g:ctrlp_status_func   = {"main": "CtrlPStatusMain",
                            \"prog": "CtrlPStatusProg"}

" Pandoc Markdown
let g:pandoc#syntax#conceal#use = 0