custom vim config

.vimrc

"
" This file is managed by Ansible. Any changes will be overwritten.
"
" see: vim online help documentation -- https://vimhelp.org/starting.txt.html#vimrc for more details

" Disable compatibility with vi {{{
set nocompatible
" }}}

" Load sane defaults {{{
source $VIMRUNTIME/defaults.vim
" }}}

" Help force plugins to load correctly when re-enabled below {{{
filetype off
" }}}

" enable syntax processing {{{
syntax enable
" }}}

" spaces and tabs {{{
set tabstop=4
set softtabstop=4
set expandtab
set shiftwidth=4
" }}}

" searching {{{
set incsearch
set hlsearch
set ignorecase
set smartcase
set showmatch
nnoremap <leader><space> :nohlsearch<CR>
" }}}

" folding {{{
set foldenable
set foldlevelstart=10
set foldnestmax=10
nnoremap <space> za
set foldmethod=marker
" }}}

" ui config {{{
set number
set ttyfast
set laststatus=2
set showcmd
set showmode
set cursorline
filetype indent on
set wildmenu
set ruler
set visualbell
set encoding=utf-8
set lazyredraw
" }}}

" movement {{{
nnoremap j gj
nnoremap k gk
nnoremap B ^
nnoremap E $
nnoremap gV `[v`]
" }}}

" leader shortcuts {{{
let mapleader=","
set cursorline
nnoremap <leader>u :GundoToggle<CR>
nnoremap <leader>ev :vsp $MYVIMRC<CR>
nnoremap <leader>eb :vsp ~/.bashrc<CR>
nnoremap <leader>sv :source $MYVIMRC<CR>
nnoremap <leader>s :mksession<CR>
nnoremap <leader>a :Ag
" }}}

" Plugins {{{
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()
Plugin 'VundleVim/Vundle.vim'
Plugin 'scrooloose/nerdtree'
Plugin 'ErichDonGubler/vim-sublime-monokai'
Plugin 'joshdick/onedark.vim'
Plugin 'vim-syntastic/syntastic'
Plugin 'rking/ag.vim'
Plugin 'ctrlpvim/ctrlp.vim'
Plugin 'sjl/gundo.vim'
call vundle#end()
filetype plugin indent on
" }}}

" NERDTree settings {{{
autocmd vimenter * NERDTree
autocmd vimEnter * wincmd p
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif
map <C-n> :NERDTreeToggle<CR>
" }}}

" syntastic settings {{{
let g:syntastic_python_python_exec = 'python3'
" }}}

" allow cursor change in tmux mode {{{
function! <SID>StripTrailingWhitespaces()
   " save last search & cursor position
   let _s=@/
   let l = line(".")
   let c = col(".")
   %s/\s\+$//e
   let @/=_s
   call cursor(l, c)
endfunction

" }}}

" autogroups {{{
augroup configgroup
   autocmd!
   autocmd VimEnter * highlight clear SignColumn
   autocmd BufWritePre *.php,*.py,*.js,*.txt,*.hs,*.java,*.md :call <SID>StripTrailingWhitespaces()

   autocmd FileType ruby setlocal tabstop=2
   autocmd FileType ruby setlocal shiftwidth=2
   autocmd FileType ruby setlocal softtabstop=2
   autocmd FileType ruby setlocal commentstring=#\ %s

   autocmd FileType python setlocal commentstring=#\ %s

   autocmd BufEnter *.cls setlocal filetype=java
   autocmd BufEnter *.zsh-theme setlocal filetype=zsh
   autocmd BufEnter Makefile setlocal noexpandtab
   autocmd BufEnter *.sh setlocal tabstop=2
   autocmd BufEnter *.sh setlocal shiftwidth=2
   autocmd BufEnter *.sh setlocal softtabstop=2
augroup END

" }}}

" set color-scheme {{{
colorscheme onedark
set t_Co=256
" }}}