" Vim configuration
" Author: Mad <madmaurice@zom.bi>
" Last Revision: Saturday, 19. December 2015 17:51 

set nocompatible
filetype off

" --- init vundle {{{
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()

" --- Let Vundle manage Vundle
Plugin 'VundleVim/Vundle.vim'
" }}}

" --- My plugins {{{
Plugin 'scrooloose/nerdtree' " FileBrowser on the left side
Plugin 'ervandew/supertab' "Auto completion
Plugin 'ap/vim-templates' "File templates
Plugin 'godlygeek/tabular' "Tabularize
Plugin 'MarcWeber/vim-addon-mw-utils' " Dependency for snipmate
Plugin 'tomtom/tlib_vim' "Dependency for snipmate
Plugin 'garbas/vim-snipmate' "Snippets
Plugin 'easymotion/vim-easymotion' "Easy Motion
Plugin 'kana/vim-textobj-user' "User defined text objects
Plugin 'kana/vim-textobj-indent' "Indent based text objects
Plugin 'benmills/vimux' "Tmux integration
Plugin 'vim-scripts/argtextobj.vim' "function argument textobj
Plugin 'rstacruz/sparkup' "quick html writing
Plugin 'ap/vim-buftabline' "Buffer as tabline
Plugin 'vim-scripts/L9' "dependency for FuzzyFinder
Plugin 'vim-scripts/FuzzyFinder' "Fuzzy finding
Plugin 'cohama/lexima.vim' "Auto pairs
Plugin 'tpope/vim-surround' "Vim surround
Plugin 'vim-scripts/rfc-syntax' " RFC Syntax highlight
" }}}

" --- End init vundle {{{
call vundle#end()
filetype plugin indent on
" }}}

" --- General configurations {{{
set whichwrap+=<,>,[,]
set autoread "auto read file if changed
set wildmenu "Command completion
set gdefault " substitute all by default
set noruler
set laststatus=2 " Add Status line always
set number "Show linenumbers
set backspace=eol,start,indent "Make backspace behave like it's supposed to
set incsearch "Search while typing pattern
set lazyredraw "No redrawing while running macros
set magic "Allow magic modelines
set showmatch
set mat=2
set noerrorbells "No visual nuisance
set novisualbell
set t_vb=
set tm=500
set encoding=utf8 "Always use utf8
set ffs=unix,dos,mac " Auto use EOL according to file
set noswapfile
set noexpandtab " No spaces just Tabs
set smarttab " Deleting and creating spaces representing tabs
set ai "auto indent
set si "smart indent
set wrap "wrap lines
set shiftwidth=4
set tabstop=4
set lbr " Smart line breaking
set tw=500
set t_Co=256
set hidden
set scrolloff=1000
set shortmess+=I
syntax enable "Syntax highlighting
colorscheme madtheme "Colorscheme
" Backups in different folder
set backup
set writebackup
set backupdir=~/.vim/backup//
set directory=~/.vim/backup//
set undofile
set undodir=$HOME/.vim/undo
set undolevels=1000
set undoreload=10000
" Split behaviour
set splitright
set splitbelow
" we dont need to show the mode
set noshowmode
set listchars=eol:↲,tab:▶▹,nbsp:␣,extends:…,trail:•
" }}}

" --- Latex {{{
au BufRead,BufNewFile *.tex set ft=tex
au FileType tex inoremap <buffer> " "
au FileType tex inoremap <buffer> ä "a
au FileType tex inoremap <buffer> ö "o
au FileType tex inoremap <buffer> ü "u
au FileType tex inoremap <buffer> Ä "A
au FileType tex inoremap <buffer> Ö "O
au FileType tex inoremap <buffer> Ü "U
au FileType tex inoremap <buffer> ß "s
au FileType tex inoremap <buffer> "" \quot{}<Esc>i

" }}}

" --- Abbreviations {{{
iab _date <C-R>=strftime("%A, %d. %B %Y %H:%M")<CR>
iab _zmail madmaurice@zom.bi
iab _tumail valentin.gehrke@mailbox.tu-dresden.de
" }}}

" --- Autoload when saving vimrc {{{
au! BufWritePost .vimrc source ~/.vimrc
" }}}

" --- Vim file easyfolding {{{
augroup ft_vim
    au!
    au FileType vim setlocal foldmethod=marker
augroup END
" }}}

" --- Own functions {{{
function! AddSemicolon()
    normal m'A;
    normal `'
endfunction

function! RunCmdVimux()
    let l:cmd = input("Run: ")
    if l:cmd !~ '\s\+'
        call VimuxRunCommand("clear && " . l:cmd)
    endif
endfunction

function! IsModified()
    if &modified
        return '* '
    endif
    return ''
endfunction

function! s:tig_status()
    !~/.vim/findgitroot.sh "tig status"
endfunction
command! TigStatus call s:tig_status()
" }}}

" --- ModeColor {{{
function! ModeColor(mode)
    if a:mode == 'i'
        if &paste
            hi link ModeLine ModeLineInsertPaste
        else
            hi link ModeLine ModeLineInsert
        endif
    elseif a:mode == 'r'
        hi link ModeLine ModeLineReplace
    else
        hi link ModeLine ModeLineNormal
    endif
endfunction

au InsertEnter * call ModeColor(v:insertmode)
au InsertChange * call ModeColor(v:insertmode)
au InsertLeave * call ModeColor('n')
call ModeColor('n')
" }}}

" --- Bindings {{{
let mapleader = ","
" word movement with tab
nnoremap <Tab> W
nnoremap <S-Tab> B
" Close and write buffers
nnoremap <silent> <leader>q         :b#<bar>bd#<CR>
nnoremap <silent> <leader>w         :w<cr>
" Insert empty line before and after
nnoremap <silent> <C-o>             o<ESC>kO
" Fuzzy Finder
nnoremap <silent> <leader>f :FufFile<cr>
" nnoremap <silent> <>         ?^$<cr>
" evil spaces
nnoremap <silent> <leader>c         m':%s/\s\+$//e<cr>`'
" double empty lines
nnoremap <silent> <leader>v         m':%s/\n\{3,}/\r\r/e<cr>`'
" Toggle paste
nnoremap <silent> <leader>p         :set invpaste paste?<cr>
" Quick tabularize
nnoremap  <leader>a        :Tabularize /
vnoremap  <leader>a        :'<,'>Tabularize /
" VimRC
nnoremap <leader>oc     :e ~/.vimrc<cr>
nnoremap <leader>sc     :so ~/.vimrc<cr>
" Toggle invisble chars
nnoremap <silent> <leader>i      :set list!<cr>
" Vimux
nnoremap <leader>rr :call RunCmdVimux()<cr>
nnoremap <leader>rq :call VimuxCloseRunner()<cr>
nnoremap <silent> <leader>t :g/TODO/<cr>
nnoremap <silent> <C-G> :TigStatus<CR>
" 0 should find first non blank
nmap 0 ^
" " Easy buffer switching
" nnoremap <silent> M :bnext<cr>
" nnoremap <silent> N :bprev<cr>
" Moving through windows
nnoremap <silent> <C-l> <C-w>l
nnoremap <silent> <C-h> <C-w>h
nnoremap <silent> <C-j> <C-w>j
nnoremap <silent> <C-k> <C-w>k
inoremap <silent> <C-l> <Esc><C-w>l
inoremap <silent> <C-h> <Esc><C-w>h
inoremap <silent> <C-j> <Esc><C-w>j
inoremap <silent> <C-k> <Esc><C-w>k
" Quick macroing
nnoremap Q @@
" --- Don't need a help
inoremap <F1> <nop>
nnoremap <F1> <nop>
vnoremap <F1> <nop>
" -- Make Y behave correctly
map Y y$
" -- Quick adding of spaces
nnoremap <silent> <space> i<space><Esc>l

" Showing and hiding special characters
nnoremap <silent> <leader>l :set nolist!<cr>

" Equally resize windows
nnoremap <silent> <leader>= :wincmd =<cr>

" Automatic running
autocmd filetype python nnoremap <F5> :w<cr>:!python %<cr>

" Sudo to write
cnoremap w!! w !sudo tee % >/dev/null

" --- Just a nuisance
map q: <nop>

" --- No moving in insert mode allowed
ino <down> <Nop>
ino <up> <Nop>
ino <left> <Nop>
ino <right> <Nop>

" --- Different use of undo
nnoremap U <c-r>
" }}}

" --- Useless whitespaces {{{
highlight WhitespaceEOL ctermbg=Red guibg=Red
match WhitespaceEOL /\s\+$/
" }}}

" --- Rice {{{
set statusline=\ %#Modified#%{IsModified()}%*
set statusline+=%f
set statusline+=\ %#ModeLine#%=%*
set statusline+=\ L%l
set statusline+=\ C%c
hi Modified ctermfg=red
hi StatusLine cterm=None ctermfg=green ctermbg=none
hi Search cterm=NONE ctermfg=none ctermbg=none
hi IncSearch cterm=underline ctermbg=none ctermfg=green
" }}}

" --- Supertab {{{
let g:SuperTabNoCompleteAfter = ['^',',','\s']
" }}}

" --- NERDTree config {{{
nmap <silent> <leader>e :NERDTreeToggle<CR>
" Open NERDTree when vim is started without files to open
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
" Auto refresh NERDTree when focus
autocmd WinEnter * if exists('b:NERDTree') | execute 'normal R' | endif
let NERDTreeWinSize = 30
let NERDChristmasTree = 0
let NERDTreeChDirMode = 2
let NERDTreeIgnore=['\~$','\.pyc$','\.swp$']
let NERDTreeWinPos="left"
let NERDTreeMinimalUI = 1
let NERDTreeQuitOnOpen = 1
" }}}

" --- EasyMotion config {{{
let g:EasyMotion_do_mapping = 0 " Disable default mappings

map / <Plug>(easymotion-sn)
omap / <Plug>(easymotion-tn)
map ? <Plug>(easymotion-bd-jk)
map f <Plug>(easymotion-fl)
map F <Plug>(easymotion-Fl)
"map n <Plug>(easymotion-next)
"map N <Plug>(easymotion-prev)
" }}}

" --- Auto pairs config {{{
let g:lexima_enable_basic_rules = 1
" }}}

set ts=4
set noet