.vimrc_source

set runtimepath+=~/.vim_runtime

source ~/.vim_runtime/vimrcs/basic.vim
source ~/.vim_runtime/vimrcs/filetypes.vim
source ~/.vim_runtime/vimrcs/plugins_config.vim
source ~/.vim_runtime/vimrcs/extended.vim

try
source ~/.vim_runtime/my_configs.vim
catch
endtry

" Solarized dark colorscheme
syntax enable
set background=dark
colorscheme solarized

" Mac OSX clipboard fix...
set clipboard=unnamed
" Ubuntu clipboard fix...
" set clipboard=unnamedplus

""" Custom keys/shortcuts

" NERD tree toggle
map <C-n> :NERDTreeToggle<CR>

" Moving between windows with ALT+<arrow keys>
" >>> in retrospect this is unnecessary since CTRL+<arrow key>
" is already bound to this functionality?
" nmap <silent> <A-Up> :wincmd k<CR>
" nmap <silent> <A-Down> :wincmd j<CR>
" nmap <silent> <A-Left> :wincmd h<CR>
" nmap <silent> <A-Right> :wincmd l<CR>

" highlight any characters over the 100 character line!
highlight OverLength ctermbg=red ctermfg=white guibg=#592929
match OverLength /\%100v.\+/
" highlight ColorColumn ctermbg=235 guibg=#2c2d27
let &colorcolumn=join(range(101,999),",")
let &colorcolumn="80,".join(range(120,999),",")

" LaTeX section jumping
" noremap <buffer> <silent> ]] :<c-u>call TexJump2Section( v:count1, '' )<CR>
" noremap <buffer> <silent> [[ :<c-u>call TexJump2Section( v:count1, 'b' )<CR>
" function! TexJump2Section( cnt, dir )
"   let i = 0
"     let pat = '^\s*\\\(part\|chapter\|\(sub\)*section\|paragraph\)\>\|\%$\|\%^'
"        let flags = 'W' . a:dir
"           while i < a:cnt && search( pat, flags ) > 0
"                let i = i+1
"                   endwhile
"                      let @/ = pat
" endfunction

" vim zathura viewer
" let g:vimtex_view_method = 'zathura'
let g:vimtex_view_method = 'skim'

" change to Dropbox folder
map <leader>dr :cd ~/Dropbox/<cr>

" set default NERDTree size
let g:NERDTreeWinSize = 30

" recognize MD files
au BufNewFile,BufFilePre,BufRead *.md set filetype=markdown
" code block syntax highlighting
let g:markdown_fenced_languages = ['html', 'python', 'bash=sh']

" Inspired by: https://jeffkreeftmeijer.com/vim-number/
" Hybrid relative & absolute line numbers
" Turned off upon entering insert mode & buffer no longer in focus
:set number relativenumber
:augroup numbertoggle
:  autocmd!
:  autocmd BufEnter,FocusGained,InsertLeave * set relativenumber
:  autocmd BufLeave,FocusLost,InsertEnter   * set norelativenumber
:augroup END

""" vim-snippets, ultisnips configuration
" Trigger configuration. Do not use <tab> if you use
" https://github.com/Valloric/YouCompleteMe.
" let g:UltiSnipsExpandTrigger="<tab>"
" let g:UltiSnipsJumpForwardTrigger="<c-b>"
" let g:UltiSnipsJumpBackwardTrigger="<c-z>"
" If you want :UltiSnipsEdit to split your window.
let g:UltiSnipsEditSplit="vertical"
let g:UltiSnipsExpandTrigger = "<C-l>"
let g:UltiSnipsJumpForwardTrigger = "<C-j>"
let g:UltiSnipsJumpBackwardTrigger = "<C-k>"

" let g:ycm_key_list_select_completion = ['<C-j>']
" let g:ycm_key_list_previous_completion = ['<C-k>']

" function! g:UltiSnips_Complete()
"     call UltiSnips#ExpandSnippet()
"     if g:ulti_expand_res == 0
"         if pumvisible()
"             return "\<C-n>"
"         else
"             call UltiSnips#JumpForwards()
"             if g:ulti_jump_forwards_res == 0
"                return "\<TAB>"
"             endif
"         endif
"     endif
"     return ""
" endfunction

" au BufEnter * exec "inoremap <silent> " . g:UltiSnipsExpandTrigger . " <C-R>=g:UltiSnips_Complete()<cr>"
" let g:UltiSnipsJumpForwardTrigger="<tab>"
" let g:UltiSnipsListSnippets="<c-e>"
" this mapping Enter key to <C-y> to chose the current highlight item
" and close the selection list, same as other IDEs.
" CONFLICT with some plugins like tpope/Endwise
" inoremap <expr> <CR> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"

""" Markdown folding with https://github.com/nelstrom/vim-markdown-folding
" set nocompatible
" if has("autocmd")
"   filetype plugin indent on
" endif
" Use F9 to toggle folding!
" inoremap <F9> <C-O>za
" nnoremap <F9> za
" onoremap <F9> <C-C>za
" vnoremap <F9> zf

" Normal mode Space to toggle folding
nnoremap <silent> <Space> @=(foldlevel('.')?'za':"\<Space>")<CR>
vnoremap <Space> zf
" Make views automatic (to save folds when you close a file)
autocmd BufWinLeave *.* mkview
autocmd BufWinEnter *.* silent loadview
" # Function to permanently delete views created by 'mkview'
" https://stackoverflow.com/questions/28384159/vim-how-to-remove-clear-views-created-by-mkview-from-inside-of-vim
function! MyDeleteView()
    let path = fnamemodify(bufname('%'),':p')
    " vim's odd =~ escaping for /
    let path = substitute(path, '=', '==', 'g')
    if empty($HOME)
    else
        let path = substitute(path, '^'.$HOME, '\~', '')
    endif
    let path = substitute(path, '/', '=+', 'g') . '='
    " view directory
    let path = &viewdir.'/'.path
    call delete(path)
    echo "Deleted: ".path
endfunction
" # Command Delview (and it's abbreviation 'delview')
command Delview call MyDeleteView()
" Lower-case user commands: http://vim.wikia.com/wiki/Replace_a_builtin_command_using_cabbrev
cabbrev delview <c-r>=(getcmdtype()==':' && getcmdpos()==1 ? 'Delview' : 'delview')<CR>

" Enable FZF for Mac as installed via Homebrew
" https://github.com/junegunn/fzf
set rtp+=/usr/local/opt/fzf

" Further setup for Vim
" https://realpython.com/vim-and-python-a-match-made-in-heaven/#lets-make-an-ide
" Enable folding & fold with spacebar
set foldmethod=indent
set foldlevel=99
" nnoremap <space> za

set encoding=utf-8

au BufNewFile,BufRead *.py
    \ set tabstop=4 |
    \ set softtabstop=4 | 
    \ set shiftwidth=4 |
    \ set textwidth=99 |
    \ set expandtab | 
    \ set autoindent | 
    \ set fileformat=unix