.vimrc

"                 88
"                 ''
"    8b       d8  88  88,dPYba,,adPYba,   8b,dPPYba,   ,adPPYba,
"    `8b     d8'  88  88P'   '88'    '8a  88P'   'Y8  a8'     ''
"     `8b   d8'   88  88      88      88  88          8b
" 888  `8b,d8'    88  88      88      88  88          '8a,   ,aa
" 888    '8'      88  88      88      88  88           `'Ybbd8''

" ================================= PLUGINS ================================== "

set nocompatible
filetype off
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()

" --------------------------------- General ---------------------------------- "

Plugin 'VundleVim/Vundle.vim'
Plugin 'tpope/vim-sensible'
Plugin 'tpope/vim-commentary'
Plugin 'tpope/vim-fugitive'
Plugin 'tpope/vim-surround'
Plugin 'tpope/vim-repeat'
Plugin 'airblade/vim-gitgutter'
Plugin 'scrooloose/nerdtree'
Plugin 'Xuyuanp/nerdtree-git-plugin'
Plugin 'tiagofumo/vim-nerdtree-syntax-highlight'
Plugin 'ctrlpvim/ctrlp.vim'
Plugin 'vim-syntastic/syntastic'
Plugin 'christoomey/vim-tmux-navigator'
Plugin 'wincent/terminus'
Plugin 'junegunn/goyo.vim'
Plugin 'ryanoasis/vim-devicons'
" Plugin 'editorconfig/editorconfig-vim'
" Plugin 'Valloric/YouCompleteMe'
" Plugin 'easymotion/vim-easymotion'

" Plugin 'chriskempson/base16-vim'
" Plugin 'lifepillar/vim-solarized8'
" Plugin 'morhetz/gruvbox'

" --------------------------------- Specific --------------------------------- "

Plugin 'ap/vim-css-color'

Plugin 'pangloss/vim-javascript'
Plugin 'leafgarland/typescript-vim'

Plugin 'mxw/vim-jsx'

Plugin 'posva/vim-vue'

Plugin 'wavded/vim-stylus'

Plugin 'lervag/vimtex' " Install MacTex to get everything you need (latexmk, etc.)

" Plugin 'tpope/vim-fireplace'
" Plugin 'guns/vim-clojure-static'

call vundle#end()
filetype plugin indent on

" ================================= SETTINGS ================================= "

" ---------------------------------- Basics ---------------------------------- "

set encoding=utf8
syntax on

" Relative line numbering
set number
set rnu

" Tab settings
set shiftwidth=4
set tabstop=4
set expandtab

" Only case sensitive search if query contains uppercase characters
" (NOTE: Also affects substitutions)
set ignorecase
set smartcase

" Split below and to the right
set splitbelow
set splitright

" Show tab indentations and trailing spaces
set list
set listchars=tab:\|\ ,trail:•

" Show ruler (see rulerformat)
set ruler

" Show statusbar when more than one window (vim-sensible overrides this though)
set laststatus=1

" Hide buffers
set hidden

" Auto-read file when changed from outside
set autoread

" Show current command
set showcmd

" Highlight current line
set nocursorline

" Highlight column 80
" set colorcolumn=80

" Centralize swapfiles and backups (Make sure the directories exist!)
set directory=~/.vim/swaps//
set backupdir=~/.vim/backups//

" CtrlP
set runtimepath^=~/.vim/bundle/ctrlp.vim

" Enable mouse for focusing, selecting and scrolling
" (hold alt/option in iTerm2 to disable temporarily)
set mouse=a

" " Only show cursorline in current window
" augroup cursorline
" 	autocmd!
" 	autocmd VimEnter,WinEnter,BufWinEnter * setlocal cursorline
" 	autocmd WinLeave * setlocal nocursorline
" augroup END

" ---------------------------------- Colors ---------------------------------- "

" Enable true colors
set t_Co=256

if (has("termguicolors"))
	set termguicolors
endif

let &t_8f = "[38;2;%lu;%lu;%lum"
let &t_8b = "[48;2;%lu;%lu;%lum"

" Colorscheme
set background=light
colorscheme kallgren

" -------------------------------- Cursorline -------------------------------- "

" Change color based on mode
function! CursorLineColor(mode)
  if a:mode == 'i'
    return g:base16_gui0Dt
  elseif a:mode == 'r'
    return g:base16_gui08t
  else
    return g:base16_gui01
  endif
endfunction

au! InsertEnter
au! InsertLeave
au InsertEnter * execute 'hi CursorLine guibg=#' . CursorLineColor(v:insertmode)
au InsertLeave * execute 'hi CursorLine guibg=#' . g:base16_gui01

" -------------------------------- Statusline -------------------------------- "

" " Change color based on file status (modified, read-only, etc.)
" " TODO: Update at better intervals and make local to the current buffer
" function! StatusLineColor()
"   if &mod
"     execute 'hi StatusLine guibg=#' . g:base16_gui08t
"   else
"     execute 'hi StatusLine guibg=#' . g:base16_gui01
"   endif
"   return ""
" endfun

" au CursorHold,CursorHoldI * call StatusLineColor()

" Returns current git branch (if the active file is in a git repository)
function! GetGitBranch()
	if exists('*fugitive#head')
		let head = fugitive#head()

		if empty(head) && exists('*fugitive#detect') && !exists('b:git_dir')
			call fugitive#detect(getcwd()) " TODO: Fix detect call which has been removed
			let head = fugitive#head()
		endif

		if !empty(head)
			return ' ' . head
		endif
	endif

	return ''
endfunction

" ------------- EXPERIMENTS ------------- "
" if &bufmodified
" 	set statusline +=\ %<%#error#%f%* " Relative file path
" else
" 	set statusline +=\ %<%f " Relative file path
" endif

" let &statusline=' %<%{&mod?"%#error#%f%*":"%f"}%r%{&fenc !~ "^$\\|utf-8" || &bomb ?  "[".&fenc.(&bomb?"-bom":"")."]" : ""}%=%15.(%l,%c%V %P%)'
" --------------------------------------- "

" Left
set statusline=%<%f\ %{WebDevIconsGetFileTypeSymbol()}\  " Relative file path

set statusline +=%h " Help buffer flag
set statusline +=%w " Preview window flag
set statusline +=%m " Modified flag
set statusline +=%r " Readonly flag
set statusline +=\  " Space

" Syntastic statusline (TODO: Fix background color)
set statusline+=%#warningmsg#
set statusline+=%{SyntasticStatuslineFlag()}
set statusline+=%*\ 

" Space
set statusline +=%=

" Right
set statusline +=%{GetGitBranch()}\  " Git branch
set statusline +=%9.(%l,%c%) " Line and column number (9 char width)

" Ruler (for when statusline is hidden)
set rulerformat=%= " Align right
set rulerformat +=%{GetGitBranch()}\  " Git branch
set rulerformat +=%l,%c " Line and column number

" --------------------------------- Plugins ---------------------------------- "

" ctrlp/ctrlp.vim
let g:ctrlp_map = '<c-p>'
let g:ctrlp_cmd = 'CtrlPBuffer'
let g:ctrlp_show_hidden = 1

" scrooloose/nerdtree
let g:NERDTreeShowHidden = 1

" tiagofumo/vim-nerdtree-syntax-highlight
let g:NERDTreeFileExtensionHighlightFullName = 1
let g:NERDTreeExactMatchHighlightFullName = 1
let g:NERDTreePatternMatchHighlightFullName = 1
let g:NERDTreeLimitedSyntax = 1

" ryanoasis/vim-devicons
let g:WebDevIconsNerdTreeAfterGlyphPadding = '' " Better alignment
let g:WebDevIconsNerdTreeBeforeGlyphPadding = ''
let g:WebDevIconsUnicodeDecorateFolderNodes = 1
" let g:DevIconsEnableFoldersOpenClose = 1 " Causes padding issues

" vim-syntastic/syntastic
let g:syntastic_always_populate_loc_list = 1
let g:syntastic_auto_loc_list = 1
let g:syntastic_loc_list_height = 3
let g:syntastic_check_on_open = 1
let g:syntastic_check_on_wq = 0
let g:syntastic_javascript_checkers = ['eslint']
let g:syntastic_javascript_eslint_exe = 'yarn lint --'

" mxw/vim-jsx
let g:jsx_ext_required = 0

" lervag/vimtex
let g:tex_flavor = 'latex'
let g:vimtex_fold_enabled = 1

" ============================= CUSTOM COMMANDS ============================= "

" Toggles between laststatus 1 and 2
let s:show_statusline = 0 " TODO: Visst fixar detta synk-problemet, eller overridar vim-senssible fortfarande? Undersök
function! ToggleStatusLineFuction()
    if s:show_statusline == 0
        let s:show_statusline = 1
        set laststatus=2
    else
        let s:show_statusline = 0
        set laststatus=1
    endif
endfunction

" Toggles between dark and light color theme in vim, iterm2 and tmux
" TODO:
" Get the right colors on startup depending on iterm profile:
"   Make iterm create/delete the files ~/.dark_colors and ~/.light_colors when switching profile
"   Read if file ~/.dark_colors or ~/.light_colors exists and set background accordingly
"   Do the same in tmux
"   Trigger tmux color change from vim too?
" Optimal: Trigger both vim and tmux reload from apple script executed by iterm?
function! ToggleTerminalColorsFunction()
    if &background ==? 'dark'
        set background=light
        silent !osascript -e 'tell app "System Events" to keystroke "l" using {control down, command down}'
        silent !osascript -e 'tell app "System Events" to keystroke space using control down'
        silent !osascript -e 'tell app "System Events" to keystroke "l" using control down'
        " Faster, but requires knowledge of tmux config location:
        " execute "silent !tmux source-file " . shellescape(expand('~/dotfiles/tmuxcolors-light.conf'))
    else
        set background=dark
        silent !osascript -e 'tell app "System Events" to keystroke "k" using {control down, command down}'
        silent !osascript -e 'tell app "System Events" to keystroke space using control down'
        silent !osascript -e 'tell app "System Events" to keystroke "k" using control down'
        " Faster, but requires knowledge of tmux config location:
        " execute "silent !tmux source-file " . shellescape(expand('~/dotfiles/tmuxcolors-dark.conf'))
    endif
endfunction

command! ToggleStatusLine call ToggleStatusLineFuction()
command! ToggleTerminalColors call ToggleTerminalColorsFunction()

" ================================= BINDINGS ================================= "

" ---------------------------------- Basics ---------------------------------- "

" NERDTree
map <silent> <C-n> :NERDTreeFocus<cr>

" Quick fix / location list window
map <silent> <C-c> :cwindow<cr>
map <silent> <C-x> :lwindow<cr>
nnoremap <silent> <Up> :cprevious<cr>
nnoremap <silent> <Down> :cnext<cr>
nnoremap <silent> <Left> :cpfile<cr>
nnoremap <silent> <Right> :cnfile<cr>
nnoremap <silent> <leader>lp :lprevious<cr>
nnoremap <silent> <leader>ln :lnext<cr>

" Window navigation
let g:tmux_navigator_no_mappings = 1
nnoremap <silent> <C-h> :TmuxNavigateLeft<cr>
nnoremap <silent> <C-j> :TmuxNavigateDown<cr>
nnoremap <silent> <C-k> :TmuxNavigateUp<cr>
nnoremap <silent> <C-l> :TmuxNavigateRight<cr>
nnoremap <silent> <C-ö> :TmuxNavigatePrevious<cr>

" ---------------------------------- Leader ---------------------------------- "

let mapleader=","

nmap <leader>q :q<cr>
nmap <leader>d :bd<cr>
nmap <leader>t :tabnew<cr>
" nmap <leader>s :let &laststatus = ( &laststatus == 1 ? 2 : 1 )<cr>
nmap <leader>s :ToggleStatusLine<cr>
nmap <leader>bg :ToggleTerminalColors<cr>
nmap <leader>bl :set background=light<cr>:colorscheme kallgren<cr>
nmap <leader>bk :set background=dark<cr>:colorscheme kallgren<cr>

" Check/uncheck todo-list items
nmap <leader>x mm_f-rx`m
nmap <leader>- mm_fxr-`m

" Open .vimrc (Bypass symlink to make fugitive work properly)
nmap <leader>ev :execute 'tabedit ' . resolve(expand($MYVIMRC))<cr>

" Open .tmux.conf
nmap <leader>et :tabedit ~/.tmux.conf<cr>

" Open .zshrc
nmap <leader>ez :tabedit ~/.zshrc<cr>

" Find in files (type search term, change **, run the command and then :lw)
" nmap <leader>f :lvimgrep //gj **<Left><Left><Left><Left><Left><Left>

" Find in files in git repository (type search term, run the command, and then
" navigate through the quickfix list (:copen, :cn, etc.))
nmap <leader>f :Ggrep 

" Spell checking & latex related
nmap <leader>w ]s
nmap <leader>W [s
nmap <leader>r 1z=
nmap <leader>l :setlocal spell spelllang=en_gb<cr>
xnoremap <leader>m <ESC>`>a}<ESC>`<i{\color{red} <ESC>

" tpope/vim-fugitive
nnoremap <leader>gs :Gstatus<cr>
nnoremap <leader>gd :Gvdiff<cr>
nnoremap <leader>gb :Gblame<cr>
nnoremap <leader>gw :Gbrowse<cr>
nmap <leader>hn <Plug>(GitGutterNextHunk)
nmap <leader>hp <Plug>(GitGutterPrevHunk)
nmap <leader>hs <Plug>(GitGutterStageHunk)
nmap <leader>hu <Plug>(GitGutterUndoHunk)
nmap <leader>hv <Plug>(GitGutterPreviewHunk)

" scrooloose/nerdtree
map <leader>n :NERDTreeFind<cr>

" junegunn/goyo.vim
nnoremap <leader>z :Goyo<cr>

" ------------------------------- Insert mode -------------------------------- "

" Autocomplete closing tag
imap <C-c> </<C-X><C-O><Esc>F<i

" ------------------------------- Text objects ------------------------------- "

omap ih <Plug>GitGutterTextObjectInnerPending
omap ah <Plug>GitGutterTextObjectOuterPending
xmap ih <Plug>GitGutterTextObjectInnerVisual
xmap ah <Plug>GitGutterTextObjectOuterVisual

" ============================ SESSION MANAGEMENT ============================ "

" function! MakeSession()
" 	let b:sessiondir = $HOME . "/.vim/sessions" . getcwd()
" 	if (filewritable(b:sessiondir) != 2)
" 		exe 'silent !mkdir -p ' b:sessiondir
" 		redraw!
" 	endif
" 	let b:filename = b:sessiondir . '/session.vim'
" 	exe "mksession! " . b:filename
" endfunction

" function! LoadSession()
" 	let b:sessiondir = $HOME . "/.vim/sessions" . getcwd()
" 	let b:sessionfile = b:sessiondir . "/session.vim"
" 	if (filereadable(b:sessionfile))
" 		exe 'source ' b:sessionfile
" 	else
" 		echo "No session loaded."
" 	endif
" endfunction
" au VimEnter * nested :call LoadSession()
" au VimLeave * :call MakeSession()

" ======================== AUTO-SOURCE .VIMRC ON SAVE ======================== "

augroup autosourcing
	autocmd!
	autocmd BufWritePost *vimrc source $MYVIMRC
	autocmd BufWritePost *vimrc execute webdevicons#hardRefresh()
augroup END