myviminit.vim

scriptencoding utf-5
source ~/.config/nvim/plugins.vim

" ============================================================================ "
" ===                           EDITING OPTIONS                            === "
" ============================================================================ "

" Remap leader key to space
 let mapleader = ' '

" Disable line numbers
 set nonumber

" Don't show last command
set noshowcmd

" Yank and paste with the system clipboard
set clipboard=unnamed

" Hides buffers instead of closing them
set hidden

" === TAB/Space settings === "
" Insert spaces when TAB is pressed.
set expandtab

" Change number of spaces that a <Tab> counts for during editing ops
set softtabstop=2

" Indentation amount for < and > commands.
set shiftwidth=2

" do not wrap long lines by default
set nowrap

" Don't highlight current cursor line
set nocursorline

" Disable line/column number in status line
" Shows up in preview window when airline is disabled if not
set noruler

" Only one line for command line
set cmdheight=1

" === Completion Settings === "

" Don't give completion messages like 'match 1 of 2'
" or 'The only match'
set shortmess+=c

set backspace=indent,eol,start

" Spell check
set spell

" ============================================================================ "
" ===                           PLUGIN SETUP                               === "
" ============================================================================ "

" Wrap in try/catch to avoid errors on initial install before plugin is available
try
" === Denite setup ==="
" Use ripgrep for searching current directory for files
" By default, ripgrep will respect rules in .gitignore
"   --files: Print each file that would be searched (but don't search)
"   --glob:  Include or exclues files for searching that match the given glob
"            (aka ignore .git files)
"
call denite#custom#var('file/rec', 'command', ['rg', '--files', '--glob', '!.git'])

" Use ripgrep in place of "grep"
call denite#custom#var('grep', 'command', ['rg'])

" Custom options for ripgrep
"   --vimgrep:  Show results with every match on it's own line
"   --hidden:   Search hidden directories and files
"   --heading:  Show the file name above clusters of matches from each file
"   --S:        Search case insensitively if the pattern is all lowercase
call denite#custom#var('grep', 'default_opts', ['--hidden', '--vimgrep', '--heading', '-S'])

" Recommended defaults for ripgrep via Denite docs
call denite#custom#var('grep', 'recursive_opts', [])
call denite#custom#var('grep', 'pattern_opt', ['--regexp'])
call denite#custom#var('grep', 'separator', ['--'])
call denite#custom#var('grep', 'final_opts', [])

" Remove date from buffer list
call denite#custom#var('buffer', 'date_format', '')

" Custom options for Denite
"   auto_resize             - Auto resize the Denite window height automatically.
"   prompt                  - Customize denite prompt
"   direction               - Specify Denite window direction as directly below current pane
"   winminheight            - Specify min height for Denite window
"   highlight_mode_insert   - Specify h1-CursorLine in insert mode
"   prompt_highlight        - Specify color of prompt
"   highlight_matched_char  - Matched characters highlight
"   highlight_matched_range - matched range highlight
let s:denite_options = {'default' : {
\ 'split': 'floating',
\ 'start_filter': 1,
\ 'auto_resize': 1,
\ 'source_names': 'short',
\ 'prompt': 'λ ',
\ 'highlight_matched_char': 'QuickFixLine',
\ 'highlight_matched_range': 'Visual',
\ 'highlight_window_background': 'Visual',
\ 'highlight_filter_background': 'DiffAdd',
\ 'winrow': 1,
\ 'vertical_preview': 1
\ }}

" Loop through denite options and enable them
function! s:profile(opts) abort
  for l:fname in keys(a:opts)
    for l:dopt in keys(a:opts[l:fname])
      call denite#custom#option(l:fname, l:dopt, a:opts[l:fname][l:dopt])
    endfor
  endfor
endfunction

call s:profile(s:denite_options)
catch
  echo 'Denite not installed. It should work after running :PlugInstall'
endtry

" === Coc.nvim === "
" use <tab> for trigger completion and navigate to next complete item
function! s:check_back_space() abort
  let col = col('.') - 1
  return !col || getline('.')[col - 1]  =~ '\s'
endfunction

inoremap <silent><expr> <TAB>
      \ pumvisible() ? "\<C-n>" :
      \ <SID>check_back_space() ? "\<TAB>" :
      \ coc#refresh()

"Close preview window when completion is done.
autocmd! CompleteDone * if pumvisible() == 0 | pclose | endif

" === NeoSnippet === "
" Map <C-k> as shortcut to activate snippet if available
imap <C-k> <Plug>(neosnippet_expand_or_jump)
smap <C-k> <Plug>(neosnippet_expand_or_jump)
xmap <C-k> <Plug>(neosnippet_expand_target)

" Load custom snippets from snippets folder
let g:neosnippet#snippets_directory='~/.config/nvim/snippets'

" Hide conceal markers
let g:neosnippet#enable_conceal_markers = 0

" === NERDTree === "
" Show hidden files/directories
let g:NERDTreeShowHidden = 1

" Remove bookmarks and help text from NERDTree
let g:NERDTreeMinimalUI = 1

" Custom icons for expandable/expanded directories
let g:NERDTreeDirArrowExpandable = '⬏'
let g:NERDTreeDirArrowCollapsible = '⬎'

" Open the folder on the right window
let g:NERDTreeWinPos = "right"

" Hide certain files and directories from NERDTree
let g:NERDTreeIgnore = ['^\.DS_Store$', '^tags$', '\.git$[[dir]]', '\.idea$[[dir]]', '\.sass-cache$']

" Wrap in try/catch to avoid errors on initial install before plugin is available
try

" === Vim airline ==== "
" Enable extensions
let g:airline_extensions = ['branch', 'hunks', 'coc']

" Update section z to just have line number
let g:airline_section_z = airline#section#create(['linenr'])

" Do not draw separators for empty sections (only for the active window) >
let g:airline_skip_empty_sections = 1

" Smartly uniquify buffers names with similar filename, suppressing common parts of paths.
let g:airline#extensions#tabline#formatter = 'unique_tail'

" Custom setup that removes filetype/whitespace from default vim airline bar
let g:airline#extensions#default#layout = [['a', 'b', 'c'], ['x', 'z', 'warning', 'error']]

" Customize vim airline per filetype
" 'nerdtree'  - Hide nerdtree status line
" 'list'      - Only show file type plus current line number out of total
let g:airline_filetype_overrides = {
  \ 'nerdtree': [ get(g:, 'NERDTreeStatusline', ''), '' ],
  \ 'list': [ '%y', '%l/%L'],
  \ }

" Enable powerline fonts
let g:airline_powerline_fonts = 1

" Enable caching of syntax highlighting groups
let g:airline_highlighting_cache = 1

" Define custom airline symbols
if !exists('g:airline_symbols')
  let g:airline_symbols = {}
endif

" Don't show git changes to current file in airline
let g:airline#extensions#hunks#enabled=0

catch
  echo 'Airline not installed. It should work after running :PlugInstall'
endtry

" === echodoc === "
" Enable echodoc on startup
let g:echodoc#enable_at_startup = 1

" === vim-javascript === "
" Enable syntax highlighting for JSDoc
let g:javascript_plugin_jsdoc = 1

" === vim-jsx === "
" Highlight jsx syntax even in non .jsx files
let g:jsx_ext_required = 0

" === javascript-libraries-syntax === "
let g:used_javascript_libs = 'underscore,requirejs,chai,jquery'

" === Signify === "
let g:signify_sign_delete = '-'

" My aditional plugin setup

" NERD Commenter
" Add spaces after comment delimiters by default
let g:NERDSpaceDelims = 1

" Use compact syntax for prettified multi-line comments
let g:NERDCompactSexyComs = 1

" Align line-wise comment delimiters flush left instead of following code indentation
let g:NERDDefaultAlign = 'left'

" Set a language to use its alternate delimiters by default
let g:NERDAltDelims_java = 1

" Add your own custom formats or override the defaults
let g:NERDCustomDelimiters = { 'c': { 'left': '/**','right': '*/' } }

" Allow commenting and inverting empty lines (useful when commenting a region)
let g:NERDCommentEmptyLines = 1

" Enable trimming of trailing whitespace when uncommenting
let g:NERDTrimTrailingWhitespace = 1

" Enable NERDCommenterToggle to check all selected lins is commented or not
let g:NERDToggleCheckAllLines = 1

" Enable just for html/css
let g:user_emmet_install_global = 0
autocmd FileType html,css EmmetInstall

" Rust/Racer
augroup Racer
   autocmd!
   autocmd FileType rust nmap <buffer> gd         <Plug>(rust-def)
   autocmd FileType rust nmap <buffer> gs         <Plug>(rust-def-split)
   autocmd FileType rust nmap <buffer> gx         <Plug>(rust-def-vertical)
   autocmd FileType rust nmap <buffer> gt         <Plug>(rust-def-tab)
   autocmd FileType rust nmap <buffer> <leader>gd <Plug>(rust-doc)
augroup END

" racer + rust
" https://github.com/rust-lang/rust.vim/issues/192
let g:rustfmt_autosave = 1
let g:rustfmt_emit_files = 1
let g:rustfmt_fail_silently = 0
let g:rust_clip_command = 'pbcopy'
let g:racer_cmd = '/Users/mohamedbgassama/.cargo/bin/racer'
let g:racer_experimental_completer = 1
let g:racer_insert_paren = 1

"let g:racer_experimental_completer = 1
let $RUST_SRC_PATH = systemlist('rustc --print sysroot')[0] . '/lib/rustlib/src/rust/src'

" Changing Wiki Syntax
"VimWiki currently ships with 3 syntaxes: VimWiki (default), Markdown (markdown), and MediaWiki (media)
"If you would prefer to use either Markdown or MediaWiki syntaxes,
let g:vimwiki_list = [{'path': '~/vimwiki/',
                      \ 'syntax': 'markdown', 'ext': '.md'}]


" If you have other plugins that you want to disable/enable,
" or if you want to change the default settings of Goyo window,
" you can set up custom routines to be triggered on GoyoEnter and GoyoLeave events.

function! s:goyo_enter()
  if executable('tmux') || executable('nvim') && strlen($TMUX)
    silent !tmux set status off
    silent !tmux list-panes -F '\#F' | grep -q Z || tmux resize-pane -Z
  endif
  set noshowmode
  set noshowcmd
  set scrolloff=999
  Limelight
  " ...
endfunction

function! s:goyo_leave()
  if executable('tmux') || executable('nvim') && strlen($TMUX)
    silent !tmux set status on
    silent !tmux list-panes -F '\#F' | grep -q Z && tmux resize-pane -Z
  endif
  set showmode
  set showcmd
  set scrolloff=5
  Limelight!
  " ...
endfunction

autocmd! user goyoenter nested call <sid>goyo_enter()
autocmd! user goyoleave nested call <sid>goyo_leave()

" limelight.vim
" color name (:help cterm-colors) or ansi code
let g:limelight_conceal_ctermfg = 'gray'
let g:limelight_conceal_ctermfg = 240

" color name (:help gui-colors) or rgb color
let g:limelight_conceal_guifg = 'darkgray'
let g:limelight_conceal_guifg = '#777777'

" default: 0.5
let g:limelight_default_coefficient = 0.7

" number of preceding/following paragraphs to include (default: 0)
let g:limelight_paragraph_span = 1

" beginning/end of paragraph
"   when there's no empty line between the paragraphs
"   and each paragraph starts with indentation
let g:limelight_bop = '^\s'
let g:limelight_eop = '\ze\n^\s'

" highlighting priority (default: 10)
"   Set it to -1 not to overrule hlsearch
let g:limelight_priority = -1

" UltiSnips
" Trigger configuration. Do not use <tab> if you use https://github.com/Valloric/YouCompleteMe.
let g:UltiSnipsExpandTrigger="<c-l>"
let g:UltiSnipsJumpForwardTrigger="<c-b>"
let g:UltiSnipsJumpBackwardTrigger="<c-z>"

" If you want :UltiSnipsEdit to split your window.
let g:UltiSnipsEditSplit="vertical"

" Jupyter notebooks setup
autocmd Filetype ipynb nmap <silent><leader>B :VimpyterInsertPythonBlock<CR>
autocmd Filetype ipynb nmap <silent><leader>J :VimpyterStartJupyter<CR>
autocmd Filetype ipynb nmap <silent><leader>N :VimpyterStartNteract<CR>

" Nord theme setup
let g:nord_cursor_line_number_background = 1
let g:nord_uniform_status_lines = 1
let g:nord_bold_vertical_split_line = 1
let g:nord_uniform_diff_background = 1
let g:nord_italic_comments = 1
" ============================================================================ "
" ===                                UI                                    === "
" ============================================================================ "

" Enable true color support
set termguicolors

" Vim airline theme
 let g:airline_theme='lightline'


" Change vertical split character to be a space (essentially hide it)
set fillchars+=vert:.

" Set preview window to appear at bottom
set splitbelow

" Don't dispay mode in command line (airilne already shows it)
set noshowmode

" Set floating window to be slightly transparent
set winbl=10

" ============================================================================ "
" ===                      CUSTOM COLORSCHEME CHANGES                      === "
" ============================================================================ "
"
" Add custom highlights in method that is executed every time a colorscheme is sourced
" See https://gist.github.com/romainl/379904f91fa40533175dfaec4c833f2f for details
function! TrailingSpaceHighlights() abort
  " Hightlight trailing whitespace
  highlight Trail ctermbg=red guibg=red
  call matchadd('Trail', '\s\+$', 100)
endfunction

function! s:custom_jarvis_colors()
  " coc.nvim color changes
  hi link CocErrorSign WarningMsg
  hi link CocWarningSign Number
  hi link CocInfoSign Type

  " Make background transparent for many things
  hi Normal ctermbg=NONE guibg=NONE
  hi NonText ctermbg=NONE guibg=NONE
  hi LineNr ctermfg=NONE guibg=NONE
  hi SignColumn ctermfg=NONE guibg=NONE
  hi StatusLine guifg=#16252b guibg=#6699CC
  hi StatusLineNC guifg=#16252b guibg=#16252b

  " Try to hide vertical spit and end of buffer symbol
  hi VertSplit gui=NONE guifg=#17252c guibg=#17252c
  hi EndOfBuffer ctermbg=NONE ctermfg=NONE guibg=#17252c guifg=#17252c

  " Customize NERDTree directory
  hi NERDTreeCWD guifg=#99c794

  " Make background color transparent for git changes
  hi SignifySignAdd guibg=NONE
  hi SignifySignDelete guibg=NONE
  hi SignifySignChange guibg=NONE

  " Highlight git change signs
  hi SignifySignAdd guifg=#99c794
  hi SignifySignDelete guifg=#ec5f67
  hi SignifySignChange guifg=#c594c5
endfunction

autocmd! ColorScheme * call TrailingSpaceHighlights()
autocmd! ColorScheme OceanicNext call s:custom_jarvis_colors()

" Call method on window enter
augroup WindowManagement
  autocmd!
  autocmd WinEnter * call Handle_Win_Enter()
augroup END

" Change highlight group of preview window when open
function! Handle_Win_Enter()
  if &previewwindow
    setlocal winhighlight=Normal:MarkdownError
  endif
endfunction

" Editor theme
set background=dark
try
  " colorscheme OceanicNext
  " Nord Vim
  colorscheme nord

catch
  colorscheme slate
endtry
" ============================================================================ "
" ===                             KEY MAPPINGS                             === "
" ============================================================================ "

" === Denite shorcuts === "
"   ;         - Browser currently open buffers
"   <leader>t - Browse list of files in current directory
"   <leader>g - Search current directory for occurences of given term and close window if no results
"   <leader>j - Search current directory for occurences of word under cursor
nmap <leader>, :Denite buffer<CR>
nmap <leader>t :DeniteProjectDir file/rec<CR>
nnoremap <leader>g :<C-u>Denite grep:. -no-empty<CR>
nnoremap <leader>j :<C-u>DeniteCursorWord grep:.<CR>

" Define mappings while in 'filter' mode
"   <C-o>         - Switch to normal mode inside of search results
"   <Esc>         - Exit denite window in any mode
"   <CR>          - Open currently selected file in any mode
"   <C-t>         - Open currently selected file in a new tab
"   <C-v>         - Open currently selected file a vertical split
"   <C-h>         - Open currently selected file in a horizontal split
autocmd FileType denite-filter call s:denite_filter_my_settings()
function! s:denite_filter_my_settings() abort
  imap <silent><buffer> <C-o>
  \ <Plug>(denite_filter_quit)
  inoremap <silent><buffer><expr> <Esc>
  \ denite#do_map('quit')
  nnoremap <silent><buffer><expr> <Esc>
  \ denite#do_map('quit')
  inoremap <silent><buffer><expr> <CR>
  \ denite#do_map('do_action')
  inoremap <silent><buffer><expr> <C-t>
  \ denite#do_map('do_action', 'tabopen')
  inoremap <silent><buffer><expr> <C-v>
  \ denite#do_map('do_action', 'vsplit')
  inoremap <silent><buffer><expr> <C-h>
  \ denite#do_map('do_action', 'split')
endfunction

" Define mappings while in denite window
"   <CR>        - Opens currently selected file
"   q or <Esc>  - Quit Denite window
"   d           - Delete currenly selected file
"   p           - Preview currently selected file
"   <C-o> or i  - Switch to insert mode inside of filter prompt
"   <C-t>       - Open currently selected file in a new tab
"   <C-v>       - Open currently selected file a vertical split
"   <C-h>       - Open currently selected file in a horizontal split
autocmd FileType denite call s:denite_my_settings()
function! s:denite_my_settings() abort
  nnoremap <silent><buffer><expr> <CR>
  \ denite#do_map('do_action')
  nnoremap <silent><buffer><expr> q
  \ denite#do_map('quit')
  nnoremap <silent><buffer><expr> <Esc>
  \ denite#do_map('quit')
  nnoremap <silent><buffer><expr> d
  \ denite#do_map('do_action', 'delete')
  nnoremap <silent><buffer><expr> p
  \ denite#do_map('do_action', 'preview')
  nnoremap <silent><buffer><expr> i
  \ denite#do_map('open_filter_buffer')
  nnoremap <silent><buffer><expr> <C-o>
  \ denite#do_map('open_filter_buffer')
  nnoremap <silent><buffer><expr> <C-t>
  \ denite#do_map('do_action', 'tabopen')
  nnoremap <silent><buffer><expr> <C-v>
  \ denite#do_map('do_action', 'vsplit')
  nnoremap <silent><buffer><expr> <C-h>
  \ denite#do_map('do_action', 'split')
endfunction

" === Nerdtree shorcuts === "
"  <leader>n - Toggle NERDTree on/off
"  <leader>f - Opens current file location in NERDTree
nmap <leader>n :NERDTreeToggle<CR>
nmap <leader>f :NERDTreeFind<CR>

"   <Space> - PageDown
"   -       - PageUp
noremap , <PageDown>
noremap - <PageUp>

" Quick window switching
nmap <C-h> <C-w>h
nmap <C-j> <C-w>j
nmap <C-k> <C-w>k
nmap <C-l> <C-w>l

" === coc.nvim === "
"   <leader>dd    - Jump to definition of current symbol
"   <leader>dr    - Jump to references of current symbol
"  <leader>dj    - Jump to implementation of current symbol
"   <leader>ds    - Fuzzy search current project symbols
nmap <silent> <leader>dd <Plug>(coc-definition)
nmap <silent> <leader>dr <Plug>(coc-references)
nmap <silent> <leader>dj <Plug>(coc-implementation)
nnoremap <silent> <leader>ds :<C-u>CocList -I -N --top symbols<CR>

" === vim-better-whitespace === "
"   <leader>y - Automatically remove trailing whitespace
nmap <leader>y :StripWhitespace<CR>

" === Search shorcuts === "
"   <leader>h - Find and replace
"   <leader>/ - Claer highlighted search terms while preserving history
map <leader>c :%s///<left><left>
nmap <silent> <leader>/ :nohlsearch<CR>

" === Easy-motion shortcuts ==="
"   <leader>w - Easy-motion highlights first word letters bi-directionally
map <leader>w <Plug>(easymotion-bd-w)

" Allows you to save files you opened without write permissions via sudo
cmap w!! w !sudo tee %

" === vim-jsdoc shortcuts ==="
" Generate jsdoc for function under cursor
nmap <leader>z :JsDoc<CR>

" Delete current visual selection and dump in black hole buffer before pasting
" Used when you want to paste over something without it getting copied to
" Vim's default buffer
vnoremap <leader>p "_dP

" My key mappings

" jk as Esc
inoremap jk <Esc>
vnoremap jk <Esc>
cnoremap jk <Esc>

" Quick-save
nmap <leader>s :w!<CR>

" Quick-save and quit
nmap <leader>q :wq!<CR> " Quit
nmap <leader>Q :q!<CR>

" No arrow keys --- force yourself to use the home row
nnoremap <up> <nop>
nnoremap <down> <nop>
noremap <up> <nop>
inoremap <down> <nop>
inoremap <left> <nop>
inoremap <right> <nop>

" Move by line
nnoremap j gj
nnoremap k gk

" <leader><leader> toggles between buffers
nnoremap <leader><leader> <c-^>

" Search results centered please
nnoremap <silent> n nzz
nnoremap <silent> N Nzz
nnoremap <silent> * *zz
nnoremap <silent> # #zz
nnoremap <silent> g* g*zz

" Very magic by default
nnoremap ? ?\v
nnoremap / /\v
cnoremap %s/ %sm/

" Create Blank Newlines and stay in Normal mode
nnoremap <silent> zj o<Esc>k
nnoremap <silent> zk O<Esc>j
map <leader><Enter> o<ESC>
map <S-Enter> O<ESC>

" Insert space in a normal mode
nnoremap ss i<Space><ESC>

" Redo key binding
nnoremap r <C-r>

" Close the current buffer
map <leader>bd :Bclose<CR>:tabclose<CR>gT

" Close all the buffers
map <leader>ba :bufdo bd<CR>

" Move to the Next and previous buffer
map <leader>l :bnext<CR>
map <leader>h :bprevious<CR>

" Shortcuts using <leader>
map <leader>sn ]s
map <leader>sp [s
map <leader>sa zg

" Hit Enter to go to end of file.
nnoremap <Enter> G

" Hit Enter to go to end of file.
nnoremap <BS> gg

" Stop that stupid window from popping up
map q: :q

" Goyo Key mappings Distraction-free writing in Vim.
map <C-g> :Goyo<CR>

" Zooming vim window
nnoremap <leader>o :only<CR>

" ============================================================================ "
" ===                                 MISC.                                === "
" ============================================================================ "

" Automaticaly close nvim if NERDTree is only thing left open
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif

" === Search === "
" ignore case when searching
set ignorecase

" if the search string has an upper case letter in it, the search will be case sensitive
set smartcase

" Automatically re-read file if a change was detected outside of vim
set autoread

" Enable spellcheck for markdown files
autocmd BufRead,BufNewFile *.md setlocal spell

" Set backups
if has('persistent_undo')
  set undofile
  set undolevels=3000
  set undoreload=10000
endif
set backupdir=~/.local/share/nvim/backup " Don't put backups in current dir
set backup
set noswapfile

" Reload icons after init source
if exists('g:loaded_webdevicons')
  call webdevicons#refresh()
endif


" =============================================================================
" # Autocommands
" =============================================================================

" Jump to last edit position on opening file
if has("autocmd")
  " https://stackoverflow.com/questions/31449496/vim-ignore-specifc-file-in-autocommand
  au BufReadPost * if expand('%:p') !~# '\m/\.git/' && line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
endif

" Follow Rust code style rules
au Filetype rust source ~/.config/nvim/scripts/spacetab.vim
au Filetype rust set colorcolumn=100

" Help filetype detection
autocmd BufRead *.md set filetype=markdown

" Script plugins
autocmd Filetype html,xml,xsl,php source ~/.config/nvim/scripts/closetag.vim