.vimrc

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" => General
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"Necessary for cool features of vim
set nocompatible

" Sets how many lines of history VIM has to remember and undolevels
set history=9999
set undolevels=9999
set undofile
set undodir=~/.vim/undodir

" If you want mouse support
set mouse=a

" Do not format 007 as oct number
set nrformats=

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" => Plugins
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" Vim-plug
" Automatic installaion of vim-plug
if empty(glob('~/.vim/autoload/plug.vim'))
  silent !mkdir -p ~/.vim/autoload
  silent !curl -fLo ~/.vim/autoload/plug.vim
    \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
  autocmd VimEnter * PlugInstall
endif
call plug#begin('~/.vim/plugged')

" Git integration
Plug 'tpope/vim-fugitive'

Plug 'itkq/fluentd-vim'

" Surround
Plug 'tpope/vim-surround'
" Correct repeat for vim-surround
Plug 'tpope/vim-repeat'

" Latex
Plug 'lervag/vimtex'
" Deprecated option
" let g:vimtex_latexmk_enabled=1

" Snippets
Plug 'SirVer/ultisnips'
let g:UltiSnipsEditSplit="vertical"
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" => UltiSnips configuration
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let g:UltiSnipsExpandTrigger = '<tab>'
let g:UltiSnipsJumpForwardTrigger = '<tab>'
let g:UltiSnipsJumpBackwardTrigger = '<s-tab>'
let g:UltiSnipsSnippetsDir = '~/.vim/UltiSnips/'
" Snippets themselves
Plug 'honza/vim-snippets'

" Fuzzy search
Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
Plug 'junegunn/fzf.vim'

" ==========================================
" Vim-airline
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
" Do not show `Spell` in airline
let g:airline_detect_spell=0
" Enable smart tab inline
let g:airline#extensions#tabline#enabled = 1
" Integrate with powerline symbols
let g:airline_powerline_fonts = 1
" Set up default theme
let g:airline_theme='powerlineish'  
" ==========================================
" ==========================================
" Nerd tree -- file explorer
Plug 'scrooloose/nerdtree'
map <F3> :NERDTreeToggle<CR>
" Ignoring files
let NERDTreeIgnore=['\~$',  '\.pyc$', '\.pyo$', '\.class$', 'pip-log\.txt$', '\.o$']
" ==========================================
" Update folding less often
Plug 'Konfekt/FastFold'
" nmap zuz <Plug>(FastFoldUpdate)
let g:fastfold_savehook = 1
let g:fastfold_fold_command_suffixes =  []
let g:fastfold_fold_movement_commands = [']z', '[z', 'zj', 'zk']

let g:markdown_folding = 1
let g:tex_fold_enabled = 1
let g:vimsyn_folding = 'af'
let g:xml_syntax_folding = 1
let g:javaScript_fold = 1
let g:sh_fold_enabled= 7
" ==========================================
" Python-related stuff
" ==========================================
" Folding
Plug 'tmhedberg/SimpylFold'

" Python with virtualenv support
py3 << EOF
import os
import sys
if 'VIRTUAL_ENV' in os.environ:
  project_base_dir = os.environ['VIRTUAL_ENV']
  activate_this = os.path.join(project_base_dir, 'bin/activate_this.py')
  exec(open(activate_this).read(), dict(__file__=activate_this))
EOF
" ==========================================
" YouCompleteMe -- for completion
Plug 'Valloric/YouCompleteMe'
" Close completion windows after selection
let g:ycm_autoclose_preview_window_after_completion=1
" Map Ctrl+g as 'Go to definition'
map <C-g>  :YcmCompleter GoToDefinitionElseDeclaration<CR>
" YouCompleteMe have conflicts with UltiSnips key trigger
Plug 'ervandew/supertab'
" 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:SuperTabDefaultCompletionType = '<C-n>'
" ==========================================

" For fast commenting
Plug 'tpope/vim-commentary'

call plug#end()

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" => LaTeX config
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let g:tex_flavor='latex'
" let g:vimtex_view_method='zathura'
let g:vimtex_quickfix_mode=0
set conceallevel=1
let g:tex_conceal='abdmg' 


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" => VIM user interface
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" Set the title of the terminal
set title

" Set 7 lines to the cursor - when moving vertically using j/k
set so=7

"Always show current position
set ruler

"This is the most awesome configurationa ever, is shows both
"the absolute and relative numbering together to make jumps
"easier
set number
" set relativenumber
nnoremap <silent><leader>n :set relativenumber!<cr>

" Configure backspace so it acts as it should act
set backspace=eol,start,indent
set whichwrap+=<,>,h,l

" Don't redraw while executing macros (good performance config)
set lazyredraw

" For regular expressions turn magic on
set magic

" How many tenths of a second to blink when matching brackets
set mat=4

" No annoying sound on errors
set noerrorbells
set novisualbell
set t_vb=
set tm=500

" Mark the current line on entering insert mode
set cursorline

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"=>Search Related
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" When searching try to be smart about cases
set smartcase
set ignorecase

" Highlight search results
set hlsearch

" Makes search act like search in modern browsers
set incsearch

" Show matching brackets when text indicator is over them
set showmatch

" Don't open folds on search
set fdo-=search

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"=>Fold
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" Folding is enabled by default
set foldenable

" Only very nested blocks will be folded
set foldlevelstart=2 " 99 means everything will open up

" The maximum nesting level
set foldnestmax=10

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" => Files, backups and undo
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" Set utf8 as standard encoding and en_US as the standard language
set fileencoding=utf-8
set encoding=utf8

" Use Unix as the standard file type
set ffs=unix,dos,mac

" Set to auto read when a file is changed from the outside
set autoread

" Turn backup off, since most stuff is in SVN, git et.c anyway...
set nobackup
set nowb
set noswapfile

" Enable filetype plugins
filetype on
filetype plugin on
filetype indent on
"
" Enable syntax highlighting
syntax enable
colorscheme desert
hi Search ctermfg=yellow

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" => Text, tab and indent related
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" Be smart when using tabs ;)
set smarttab

" Migrated to editorconfig
" 1 tab == 4 spaces
set shiftwidth=4
set tabstop=4
set softtabstop=4
set expandtab "Converts tabs into space characters


" Textwrap at 120 haracters
"set tw=120
"set wrap

" Tab completion: mimics the behaviour of zsh
set wildmenu
set wildmode=list:longest,full

" Ignore compiled files
set wildignore=*.o,*~,*.pyc,*.so,*.swp,*.zip,*/tmp/*

" Indentation
set autoindent "Auto indent
set smartindent "Smart indent

"Adding omnicomplete
set ofu=syntaxcomplete#Complete

" Set proper cursor depending on mode 
" Default is blinking block
let &t_ti.="\e[1 q"
let &t_te.="\e[0 q"
" For insert: blicking bar
let &t_SI.="\e[5 q"
" On exit insert: blinking block
let &t_EI.="\e[1 q"
" On replace mode: blinking underline
let &t_SR.="\e[3 q"

" Spell check
" setlocal spell
set spelllang=en,ru
" Binding for text fix via <c-l>
inoremap <C-l> <c-g>u<Esc>[s1z=`]a<c-g>u

" Folding
set foldmethod=indent
set foldlevel=99
nnoremap <space> za

" For russian language
"set keymap=russian-jcukenwin
"set iminsert=0 " по умолчанию для ввода - английская
"set imsearch=0 " по умолчанию для поиска - английская
"cmap <silent> <C-F> <C-^>
"imap <silent> <C-F> <C-^>
"nmap <silent> <C-F> <C-^>
"vmap <silent> <C-F> <C-^>

" Part of vim-surround installation
silent! call repeat#set("\<Plug>MyWonderfulMap", v:count)