""
"" Environment
""

" Vim environment
set directory=$XDG_CACHE_HOME/vim,~/,/tmp
set backupdir=$XDG_CACHE_HOME/vim,~/,/tmp
set viminfo+=n$XDG_CACHE_HOME/vim/viminfo
set rtp=$XDG_CONFIG_HOME/vim,$VIM,$VIMRUNTIME
let $MYVIMRC="$XDG_CONFIG_HOME/vim/vimrc"

" Ctags data
set tags=$XDG_CACHE_HOME/vim/tags

" Keep history
set undodir=$XDG_CACHE_HOME/vim/undo
set undofile


""
"" Plugins
""

set rtp+=$XDG_CACHE_HOME/vim/plugins/Vundle.vim
call vundle#begin('$XDG_CACHE_HOME/vim/plugins')

Plugin 'VundleVim/Vundle.vim'
Plugin 'kien/ctrlp.vim'
Plugin 'itchyny/lightline.vim'
Plugin 'townk/vim-autoclose'
Plugin 'tpope/vim-fugitive'
Plugin 'travitch/hasksyn'
Plugin 'plasticboy/vim-markdown'
Plugin 'LnL7/vim-nix'
Plugin 'ervandew/supertab'
Plugin 'majutsushi/tagbar'
Plugin 'scrooloose/syntastic'

call vundle#end()


""
"" Options
""

set nocompatible                        " Disable vi compatibility
set backspace=2                         " Fix DEL in the terminal
set hidden                              " Hide buffers
set incsearch                           " Incremental search
set hlsearch                            " Highlight search results

set ignorecase                          " Case insensitive search...
set smartcase                           " ...for lowercase terms
set laststatus=2                        "

set mouse=a                             " Enable mouse support
set showcmd                             " Show command while writing it
set ruler                               " Show line/column position
set novb                                " Disable visual beep
set nofoldenable                        " Disable folding

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

set wildmenu                            " Enable cmd autocompletion
set encoding=utf-8                      " Default encoding
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=unnamed                   " Clipboard integration
set ttyfast                             " Improve redrawing in xterm
filetype indent plugin on               " Identify file type
set wildignore+=*/tmp/*,*.so,*.swp      " Files to ignore

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

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

syntax on                               " Syntax highlighting
source $XDG_CONFIG_HOME/vim/colors.vim


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


""
"" 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>

map <Leader>t :TagbarToggle<CR>
inoremap jj <ESC>

""
"" Plugin options
""

" Lightline
source $XDG_CONFIG_HOME/vim/lightline.vim

" Syntastic
let g:syntastic_check_on_open     = 1
let g:syntastic_enable_signs      = 1
let g:syntastic_python_checkers   = ["flake8", "python"]
let g:syntastic_python_python_exe = 'python3'

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