.vimrc

""" See: https://github.com/mgedmin/dotvim/blob/master/vimrc

" Backup files                                                  {{{2
set backup                      " make backups
set backupdir=~/tmp             " but don't clutter $PWD with them

if $USER == "root"
  " 'sudo vi' on certain machines cannot write to ~/tmp (NFS root-squash)
  set backupdir=/root/tmp
endif

if !isdirectory(&backupdir)
  " create the backup directory if it doesn't already exist
  exec "silent !mkdir -p " . &backupdir
endif
" }}}

"##### SOME IMPORTANT CONFIG #####
let mapleader="\<space>"

set showcmd

" Splits:
set splitbelow
set splitright

" Searching:
set hlsearch
set incsearch
set ignorecase
set smartcase

" spell checking
"set spell
"set spelllang=en
"set spellsuggest=best

"#################################

"##############################################################################
"#                               VUNDLE                                       #
"##############################################################################
set nocompatible              " be iMproved, required
filetype off                  " required

" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()
" alternatively, pass a path where Vundle should install plugins
"call vundle#begin('~/some/path/here')

" let Vundle manage Vundle, required
Plugin 'VundleVim/Vundle.vim'

" Functionality:
" Project rooting
Plugin 'airblade/vim-rooter'
Plugin 'tpope/vim-fugitive'
" Lorem generator
Plugin 'loremipsum'
" CTags automation
Plugin 'ludovicchabant/vim-gutentags'

" Provide fugitive browse support for bitbucket
Plugin 'tommcdo/vim-fubitive'
"Plugin 'Shougo/vimshell.vim'
Plugin 'rstacruz/sparkup'
Plugin 'scrooloose/nerdcommenter'

" Visual debugger
Plugin 'Shougo/vimproc.vim'
Plugin 'idanarye/vim-vebugger'
" Plugin 'joonty/vdebug'
" Language_support:
Plugin 'kergoth/vim-bitbake'

" UI:
" File explorer
Plugin 'scrooloose/nerdtree'
Plugin 'Xuyuanp/nerdtree-git-plugin'
Plugin 'jistr/vim-nerdtree-tabs'

" Better language support
Plugin 'octol/vim-cpp-enhanced-highlight'
Plugin 'leafgarland/typescript-vim'
Plugin 'nickhutchinson/vim-cmake-syntax'

" Assist persistent undo
Plugin 'mbbill/undotree'
"Plugin 'sjl/gundo.vim'

" Source outlines
Plugin 'vim-scripts/taglist.vim'

" Indentation guides
Plugin 'Yggdroot/indentLine'

Plugin 'vim-airline/vim-airline'
Plugin 'Shougo/neocomplete.vim'
Plugin 'scrooloose/syntastic'
Plugin 'ctrlpvim/ctrlp.vim'
Plugin 'ryanoasis/vim-devicons'

" Gutter related
Plugin 'airblade/vim-gitgutter'
"Plugin 'chrisbra/changesPlugin'

" Color Themes:
Plugin 'tomasr/molokai'
Plugin 'mkarmona/colorsbox'
Plugin 'Donearm/Ubaryd'

Plugin 'vim-airline/vim-airline-themes'

" Misc:
"Plugin 'itchyny/calendar.vim'
Plugin 'mhinz/vim-startify'
Plugin 'viewdoc'

" All of your Plugins must be added before the following line
call vundle#end()            " required
filetype plugin indent on    " required
" To ignore plugin indent changes, instead use:
"filetype plugin on
"
" Brief help
" :PluginList       - lists configured plugins
" :PluginInstall    - installs plugins; append `!` to update or just :PluginUpdate
" :PluginSearch foo - searches for foo; append `!` to refresh local cache
" :PluginClean      - confirms removal of unused plugins; append `!` to auto-approve removal
"
" see :h vundle for more details or wiki for FAQ
" Put your non-Plugin stuff after this line

"##############################################################################
"#                       VUNDLE RELATED CONFIG                                #
"##############################################################################
""" szw/vim-ctrlspace
set nocompatible
set hidden
"set showtabline=0

""" pwd:
let g:gutentags_project_root = ['.project', '.cproject']
let g:rooter_patterns = ['.project', '.cproject', '.git', '.git/', '_darcs/', '.hg/', '.bzr/', '.svn/']
if &diff
    let g:rooter_manual_only = 1
endif

""" scrooloose/nerdtree
" autoopen nerdtree
"autocmd StdinReadPre * let s:std_in=1
"autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif

" autoclose nerdtree
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif

""" vim-airline/vim-airline
set laststatus=2
let g:airline_powerline_fonts = 1
"let g:Powerline_symbols = 'fancy'
set t_Co=256
"set fillchars+=stl:\ ,stlnc:\

if !exists('g:airline_symbols')
  let g:airline_symbols = {}
endif

" display open buffers in tabline
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#buffer_idx_mode = 1

""" Shougo/neocomplete.vim
" Disable AutoComplPop.
let g:acp_enableAtStartup = 0
" Use neocomplete.
let g:neocomplete#enable_at_startup = 1
" Use smartcase.
let g:neocomplete#enable_smart_case = 1
" Set minimum syntax keyword length.
let g:neocomplete#sources#syntax#min_keyword_length = 3
let g:neocomplete#lock_buffer_name_pattern = '\*ku\*'

" Define dictionary.
let g:neocomplete#sources#dictionary#dictionaries = {
    \ 'default' : '',
    \ 'vimshell' : $HOME.'/.vimshell_hist',
    \ 'scheme' : $HOME.'/.gosh_completions'
        \ }

" Define keyword.
if !exists('g:neocomplete#keyword_patterns')
    let g:neocomplete#keyword_patterns = {}
endif
let g:neocomplete#keyword_patterns['default'] = '\h\w*'

" Enable omni completion.
autocmd FileType css setlocal omnifunc=csscomplete#CompleteCSS
autocmd FileType html,markdown setlocal omnifunc=htmlcomplete#CompleteTags
autocmd FileType javascript setlocal omnifunc=javascriptcomplete#CompleteJS
autocmd FileType python setlocal omnifunc=pythoncomplete#Complete
autocmd FileType xml setlocal omnifunc=xmlcomplete#CompleteTags

" Enable heavy omni completion.
if !exists('g:neocomplete#sources#omni#input_patterns')
  let g:neocomplete#sources#omni#input_patterns = {}
endif
"let g:neocomplete#sources#omni#input_patterns.php = '[^. \t]->\h\w*\|\h\w*::'
"let g:neocomplete#sources#omni#input_patterns.c = '[^.[:digit:] *\t]\%(\.\|->\)'
"let g:neocomplete#sources#omni#input_patterns.cpp = '[^.[:digit:] *\t]\%(\.\|->\)\|\h\w*::'

" For perlomni.vim setting.
" https://github.com/c9s/perlomni.vim
let g:neocomplete#sources#omni#input_patterns.perl = '\h\w*->\h\w*\|\h\w*::'

""" scrooloose/syntastic
set statusline+=%#warningmsg#
set statusline+=%{SyntasticStatuslineFlag()}
set statusline+=%*

let g:syntastic_always_populate_loc_list = 1
let g:syntastic_auto_loc_list = 1
let g:syntastic_check_on_open = 1
let g:syntastic_check_on_wq = 0

"let g:syntastic_cpp_compiler = 'clang++'
let g:syntastic_cpp_compiler = 'g++'
"let g:syntastic_cpp_compiler_options = ' -std=c++11 -stdlib=libc++'

""" airblade/vim-gitgutter
set updatetime=750
let g:gitgutter_sign_column_always = 1
let g:gitgutter_realtime = 1

""" ctrlpvim/ctrlp.vim
set wildignore+=*/tmp/*,*.so,*.swp,*.zip     " MacOSX/Linux
set wildignore+=*\\tmp\\*,*.swp,*.zip,*.exe  " Windows

let g:ctrlp_custom_ignore = '\v[\/]\.(git|hg|svn)$'

""" itchyny/calendar.vim
let g:calendar_google_calendar = 1
let g:calendar_google_task = 1

""" devicons
set guifont=Droid\ Sans\ Mono\ for\ Powerline\ Nerd\ Font\ Complete\ 12

""" color schemes
syntax enable
"set background=light
colorscheme colorsbox-material
let g:airline_theme='ubaryd'

"##############################################################################
"#                            CUSTOM CONFIG                                   #
"##############################################################################
" Essential settings {{{
let $PAGER=''
set shell=/bin/bash
set encoding=utf-8
" Support for correct color display when using tmux
set t_ut=
" }}}

" Persistent undo (vim 7.3+)                                    {{{2
if has("persistent_undo")
  set undofile                  " enable persistent undo
  let &undodir=&backupdir . "/.vimundo" " but don't clutter $PWD
  if !isdirectory(&undodir)
    " create the undo directory if it doesn't already exist
    exec "silent !mkdir -p " . &undodir
  endif
endif

""" just some candy
set mouse=a

""" Show whitespace characteres
set listchars=eol:¬,tab:>·,trail:~,extends:>,precedes:<,space:␣
"set list

""" smarter tabbing
let _curfile = expand("%:t")
if _curfile =~ "Makefile" || _curfile =~ "makefile" || _curfile =~".*\.mk"
set noexpandtab
else
set tabstop=4
set softtabstop=4
set shiftwidth=4
set expandtab
"retab
endif

""" coding style guides
set colorcolumn=80
"set showmatch

""" shortcuts

set relativenumber number

vnoremap > ><CR>gv
vnoremap < <<CR>gv

"let g:syntastic_mode_map = { 'mode': 'passive', 'active_filetypes': [],'passive_filetypes': [] }
"nnoremap <C-w>E :SyntasticCheck<CR> :SyntasticToggleMode<CR>

" Neocomplete key-mappings.
" <CR>: close popup and save indent.
inoremap <silent> <CR> <C-r>=<SID>my_cr_function()<CR>
function! s:my_cr_function()
  return (pumvisible() ? "\<C-y>" : "" ) . "\<CR>"
  " For no inserting <CR> key.
  "return pumvisible() ? "\<C-y>" : "\<CR>"
endfunction
" <TAB>: completion.
inoremap <expr><TAB>  pumvisible() ? "\<C-n>" : "\<TAB>"
" <C-h>, <BS>: close popup and delete backword char.
inoremap <expr><C-h> neocomplete#smart_close_popup()."\<C-h>"
inoremap <expr><BS> neocomplete#smart_close_popup()."\<C-h>"
" Close popup by <Space>.
"inoremap <expr><Space> pumvisible() ? "\<C-y>" : "\<Space>"

" AutoComplPop like behavior.
"let g:neocomplete#enable_auto_select = 1

" Shell like behavior(not recommended).
"set completeopt+=longest
"let g:neocomplete#enable_auto_select = 1
"let g:neocomplete#disable_auto_complete = 1
"inoremap <expr><TAB>  pumvisible() ? "\<Down>" : "\<C-x>\<C-u>"

""" NerdTree
"silent! nmap <C-p> :NERDTreeToggle<CR>
silent! map <F3> :NERDTreeFind<CR>
let g:NERDTreeMapActivateNode="<F3>"
let g:NERDTreeMapPreview="<F2>"

""" undotree
nnoremap <F5> :UndotreeToggle<CR>

""" taglist
nnoremap <F4> :TlistToggle<CR>

nnoremap <F8> :let @/='\<<C-R>=expand("<cword>")<CR>\>'<CR>:set hls<CR>

"nnoremap <C-q> :qa<CR>

""" some final fixups
set grepprg=grep\ --color=always\ -n\ $*\ /dev/null
"autocmd FileType make setlocal noexpandtab

" Become a better vim user:
"noremap <Up> :echo "Stop using Up key!"
"noremap <Down> :echo "Stop using Down key!"
"noremap <Left> :echo "Stop using Left key!"
"noremap <Right> :echo "Stop using Right key!"

nmap <leader>1 <Plug>AirlineSelectTab1
nmap <leader>2 <Plug>AirlineSelectTab2
nmap <leader>3 <Plug>AirlineSelectTab3
nmap <leader>4 <Plug>AirlineSelectTab4
nmap <leader>5 <Plug>AirlineSelectTab5
nmap <leader>6 <Plug>AirlineSelectTab6
nmap <leader>7 <Plug>AirlineSelectTab7
nmap <leader>8 <Plug>AirlineSelectTab8
nmap <leader>9 <Plug>AirlineSelectTab9
nmap <leader>- <Plug>AirlineSelectPrevTab
nmap <leader>+ <Plug>AirlineSelectNextTab

" My mappings {{{
" swap ^ and 0
nnoremap 0 ^
nnoremap ^ 0

" Plugin key-mappings.
inoremap <expr><C-g>     neocomplete#undo_completion()
inoremap <expr><C-l>     neocomplete#complete_common_string()

" Ctags navigation
nnoremap <C-G> <C-]>
nnoremap <C-B> <C-T>

" Splits {{{
nnoremap <C-J> <C-W><C-J>
nnoremap <C-K> <C-W><C-K>
nnoremap <C-L> <C-W><C-L>
nnoremap <C-H> <C-W><C-H>
" }}}

" copy and paste {{{
if has('xterm_clipboard')
	vmap <C-c> "+yi
	vmap <C-x> "+c
	vmap <C-v> c<ESC>"+p
	imap <C-v> <ESC>"+pa
endif
" }}}

""""" LEADER MAPPINGS: """""
" nerdtree tabs:
map <leader> <plug>NERDTreeTabsToggle<CR>
nnoremap <leader>w :set list!<CR>

" formatting
nnoremap <leader>f gg=G
"nnoremap <leader>t :noremap <Leader>t :!ctags <CR>

" Debugging:
let g:vebugger_leader='<Leader>d'
cnoremap gdb VBGstartGDB
"nnoremap <leader>db :VBGtoggleBreakpoint<CR>

"i step in
"o step over
"O step out
"c continue

"b toggle breakpoint on current line
"B clear breakpoints

"e      |:VBGevalWordUnderCursor| in normal mode
"       |:VBGevalSelectedText| in select mode
"E      Prompt for an argument for |:VBGeval|
"
"x      |:VBGexecute| current line in normal mode.
"       |:VBGexecuteSelectedText| in select mode
"X      Prompt for an argument for |:VBGexecute|
"
"t      |:VBGtoggleTerminalBuffer|
"r      Select mode only - |:VBGrawWriteSelectedText|
"R      Prompt for an argument for |:VBGrawWrite|
" }}}