.vimrc

let mapleader =","

call plug#begin('~/.vim/plugged')
Plug 'xuhdev/vim-latex-live-preview', { 'for': 'tex'}
Plug 'tpope/vim-rails'
Plug 'scrooloose/nerdcommenter'
Plug 'scrooloose/nerdtree'
Plug 'bling/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'Raimondi/delimitMate'
Plug 'advpetc/vim-template'
Plug 'honza/vim-snippets'
Plug 'kien/ctrlp.vim'
Plug 'SirVer/ultisnips'
Plug 'ryanoasis/vim-devicons'
if has('nvim')
    Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
else
    Plug 'Shougo/deoplete.nvim'
    Plug 'roxma/nvim-yarp'
    Plug 'roxma/vim-hug-neovim-rpc'
endif
Plug 'Shougo/deoplete-clangx'
Plug 'majutsushi/tagbar'
Plug 'junegunn/goyo.vim'
Plug 'Yggdroot/indentLine'
Plug 'Chiel92/vim-autoformat'
Plug 'tpope/vim-surround'
" Plug 'gauteh/vim-cppman'
call plug#end()


" ================================================================================
" basic settings
" ================================================================================
filetype plugin on
" Load plugins according to detected filetype.
filetype plugin indent on
nnoremap c "_c
set nocompatible
syntax on
set encoding=utf-8
set nu rnu
set tw=80
" Enable autocompletion
set wildmode=longest,list,full
" show invisibles
set list
set listchars=tab:‣\ ,trail:·,precedes:«,extends:»,eol:¬

" indentations
" Indent according to previous line.
set autoindent
" Use spaces instead of tabs.
set expandtab
set cindent
set smartindent
" Tab key indents by 4 spaces.
set softtabstop=4
" >> indents by 4 spaces.
set shiftwidth=4
" >> indents to next multiple of 'shiftwidth'.
set shiftround

" copy ignore line number
set mouse=a
set bg=light
set go=a
set mouse=a
set nohlsearch
set clipboard=unnamedplus
" Spell-check set to <leader>o, 'o' for 'orthography':
map <leader>o :setlocal spell! spelllang=en_us<CR>

" Splits open at the bottom and right, which is non-retarded, unlike vim defaults.
set splitbelow splitright

" Copy selected text to system clipboard (requires gvim/nvim/vim-x11 installed):
vnoremap <C-c> "+y
map <C-p> "+P

" ================================================================================
" Keybindings
" ================================================================================
" Quick Update
noremap <Leader>s :update<CR>

" Keep your eye to the center
nnoremap j jzz
nnoremap k kzz

" Jumping to previous copy pasted
nmap <Leader>j :call GotoJump()<CR>
" Quick access previous register
nmap <Leader>r :reg<CR>
" Quick Save
map <Leader>w :w<CR>

" Shortening split navigation, saving a keypress:
map <C-h> <C-w>h
map <C-j> <C-w>j
map <C-k> <C-w>k
map <C-l> <C-w>l

" ================================================================================
" Plugin Settings
" ================================================================================
" Vim-airline and Vim-airline theme
" let g:airline#extensions#tabline#enabled = 1
" let g:airline#extensions#tabline#left_sep = ' '
" let g:airline#extensions#tabline#left_alt_sep = '|'
let g:airline_theme = 'minimalist'

" support for vim-latex-live-preview
let g:livepreview_previewer = 'evince'

" Nerd tree
map <leader>n :NERDTreeToggle<CR>
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif

" Vim-template
let g:email = "peter@peterchen.xyz"

" UltiSnips
let g:UltiSnipsExpandTrigger="<tab>"
let g:UltiSnipsJumpForwardTrigger="<c-f>"
let g:UltiSnipsJumpBackwardTrigger="<c-b>"

" Deoplete
let g:deoplete#enable_at_startup = 1
set completeopt-=preview

" Devicons
set encoding=UTF-8
let g:webdevicons_enable_nerdtree = 1
" adding the flags to NERDTree
let g:webdevicons_enable_nerdtree = 1
" adding the column to vimfiler
let g:webdevicons_enable_vimfiler = 1

" Tagbar
nnoremap <silent> <Leader>b :TagbarToggle<CR>

" Goyo
nnoremap <Leader>g :Goyo<CR>

" Ctrl-P
let g:ctrlp_use_caching = 0
let g:ctrlp_working_path_mode = 'ra'
let g:ctrlp_root_markers = ['.gitignore']

" vim-autoformat
let g:autoformat_autoindent = 0
let g:autoformat_retab = 0
map <leader>f :Autoformat<CR>
" let g:autoformat_remove_trailing_spaces = 0
" au BufWrite * :Autoformat

" nerdcommenter

" ================================================================================
" Utilities
" ================================================================================
"Always set to current directory
autocmd BufEnter * silent! lcd %:p:h
autocmd FileType * setlocal formatoptions-=c formatoptions-=r formatoptions-=o
" Have Vim jump to the last position when
" reopening a file
if has("autocmd")
  au BufReadPost * if line("'\"") > 0 && line("'\"") <= line("$")
    \| exe "normal! g'\"" | endif
endif

" colorscheme
colorscheme elflord

" Compile
"let $CXX="g++"
"let $CFLAGS="-std=c++11 -g -Wall"
map <leader>b :!g++ % -std=c++11 -g -Wall -o %:r <CR>

" ================================================================================
" Functions
" ================================================================================
function! GotoJump()
    jumps
    let j = input("Please select your jump: ")
    if j != ''
        let pattern = '\v\c^\+'
        if j =~ pattern
            let j = substitute(j, pattern, '', 'g')
            execute "normal " . j . "\<c-i>"
        else
            execute "normal " . j . "\<c-o>"
        endif
    endif
endfunction