" Source: https://git.hiddenalpha.ch/dotfiles.git/tree/src/vi/_vimrc

if has("win32")

    set diffexpr=MyDiff()
    function MyDiff()
        let opt = '-a --binary '
        if &diffopt =~ 'icase' | let opt = opt . '-i ' | endif
        if &diffopt =~ 'iwhite' | let opt = opt . '-b ' | endif
        let arg1 = v:fname_in
        if arg1 =~ ' ' | let arg1 = '"' . arg1 . '"' | endif
        let arg2 = v:fname_new
        if arg2 =~ ' ' | let arg2 = '"' . arg2 . '"' | endif
        let arg3 = v:fname_out
        if arg3 =~ ' ' | let arg3 = '"' . arg3 . '"' | endif
        if $VIMRUNTIME =~ ' '
            if &sh =~ '\<cmd'
                if empty(&shellxquote)
                    let l:shxq_sav = ''
                    set shellxquote&
                endif
                let cmd = '"' . $VIMRUNTIME . '\diff"'
            else
                let cmd = substitute($VIMRUNTIME, ' ', '" ', '') . '\diff"'
            endif
        else
            let cmd = $VIMRUNTIME . '\diff'
        endif
        silent execute '!' . cmd . ' ' . opt . arg1 . ' ' . arg2 . ' > ' . arg3
        if exists('l:shxq_sav')
            let &shellxquote=l:shxq_sav
        endif
    endfunction

    function Formatxml()
        " @author hiddenalpha.ch
        if !empty( glob($USERPROFILE."/bin/xmllint.exe") )
            echo "xmllint --format"
            silent %!set xmllint_indent="  " & \%userprofile\%/bin/xmllint --format -
        else
            echo "vimscript --format (WARNING: values trimmed)"
            %j!            " ganze Datei auf eine Zeile
            %s~>\s*<~><~g  " Trim content und zwischenraum
            %s~<~\r<~g     " Jeden Tag auf eine neue Zeile
            %g~^\s*$~d     " alle leerZeilen entfernen
            %g!~>$~j!      " überall, wo text (also kein Tag) am ende Steht mach join
            if line('$') < 500
                " einrückung erstellen (filetype muss auf xml sein)
                " nur bis 500 Zeilen. sonst wirds langsam.
                norm gg=G
            endif
         endif
    endfunction

else " NOT win32

    function Formatxml()
        " @author hiddenalpha.ch
        if !empty( glob("/usr/bin/xmllint") )
            echo "xmllint --format"
            silent %!XMLLINT_INDENT="  " /usr/bin/xmllint --format -
        else
            echo "vimscript --format"
            %j!            " ganze Datei auf eine Zeile
            %s~>\s*<~><~g  " Trim content und zwischenraum
            %s~<~\r<~g     " Jeden Tag auf eine neue Zeile
            %g~^\s*$~d     " alle leerZeilen entfernen
            %g!~>$~j!      " überall, wo text (also kein Tag) am ende Steht mach join
            if line('$') < 500
                " einrückung erstellen (filetype muss auf xml sein)
                norm gg=G
            endif
        endif
    endfunction

endif


colorscheme koehler
set autoindent
set clipboard=
set backspace=2
set encoding=utf-8
set fileformat=unix
set fileformats=unix, dos
set linebreak
set nobackup
set nowritebackup
set noswapfile
set fo=jlnroq fo-=t
set textwidth=72
set number
set hidden " <- Allow to switch buffer even it is not saved.
set ruler
set hlsearch
set scrolloff=1 " <- Keep free lines top/bottom before/after cursor
set showcmd
set listchars=eol:$,tab:>-
set showbreak=↳\ 
"set wildmenu
"set laststatus=2  " 2: Always display filename
"set statusline+=%F " '- With full path
set spelllang=en,de
set sidescroll=8
syntax on


" indent ----------------------------------------------------------------------

set expandtab
set tabstop=4
set shiftwidth=4
set autoindent
set nosmartindent
vnoremap > >gv
vnoremap <Tab> >gv
vnoremap < <gv
vnoremap <S-Tab> <gv
inoremap <S-Tab> <Esc><<i

function Indenting(indent, what, cols)
    let spccol = repeat(' ', a:cols)
    let result = substitute(a:indent, spccol, '\t', 'g')
    let result = substitute(result, ' \+\ze\t', '', 'g')
    if a:what == 1
        let result = substitute(result, '\t', spccol, 'g')
    endif
    return result
endfunction
function IndentConvert(line1, line2, what, cols)
    let savepos = getpos('.')
    let cols = empty(a:cols) ? &tabstop : a:cols
    execute a:line1 . ',' . a:line2 . 's/^\s\+/\=Indenting(submatch(0), a:what, cols)/e'
    call histdel('search', -1)
    call setpos('.', savepos)
endfunction
command -nargs=? -range=% Space2Tab call IndentConvert(<line1>,<line2>,0,<q-args>)
command -nargs=? -range=% Tab2Space call IndentConvert(<line1>,<line2>,1,<q-args>)


" misc ------------------------------------------------------------------------

" Quickly switch windows
nnoremap <c-j> <c-w>j
nnoremap <c-k> <c-w>k
nnoremap <c-h> <c-w>h
nnoremap <c-l> <c-w>l

" Set window title
nnoremap <F2> :set titlestring=
nnoremap <C-S-F2> :set titlestring=

" close buffer
nnoremap <F4> :bp<CR>:bd#<CR>

" change pwd to current file
nnoremap cdc :cd %:p:h<CR>:pwd<CR>

" Execute previous one now
:cd %:p:h

" Not searchNext. Do only highlight word under cursor.
"nmap * *N
nnoremap * viw"9yb/9<CR>

" save with ctrl-s
nmap <C-s> :up<CR>


" NERDTree --------------------------------------------------------------------
" Setup instructions see: "https://hiddenalpha.ch/slnk/id/1:6185e48"

"set rtp+=/opt/nerdtree
"source /opt/nerdtree/plugin/NERD_tree.vim
"nnoremap ° :NERDTreeToggle<CR>


" OS integration --------------------------------------------------------------

if has("win32")

    " insert current TS
    inoremap <F5> <C-R>=strftime('%Y%m%d%H%M%S')<CR>
    "inoremap <S-F5> <C-R>=strftime('%Y-%m-%d_%H:%M:%S%z')<CR><Esc>

    command  OsTerminal  !start cmd.exe
    command  OsFileExplorer  !start explorer.exe .

else

    " Insert a hash
    inoremap <F5> <C-R>=system("head -c32 /dev/urandom\|base64\|tr -d '\n=+/'\|head -c16")<CR>
    " insert current TS
    inoremap <S-F5> <C-R>=strftime('%Y-%m-%d_%H:%M:%S%z')<CR>

    command  OsTerminal  !x-terminal-emulator &
    command  OsFileExplorer  !x-file-manager `pwd` &
    command  OsFirefox  !firefox `pwd` &
    command  OsChromium  !chromium `pwd` &

endif


" filetype specific -----------------------------------------------------------

autocmd FileType html setl sw=2 ts=2
autocmd FileType xml  setl sw=2 ts=2
autocmd BufNewFile,BufRead Makefile setl noexpandtab list
autocmd FileType c setl colorcolumn=101
autocmd FileType java setl colorcolumn=101
autocmd FileType lua setl colorcolumn=101
autocmd FileType js setl colorcolumn=101

autocmd FileType text setl ft=awk
autocmd BufNew,BufRead *.gnuplot setl ft=gnuplot
autocmd BufNew,BufRead *.yaml,*.yml setl ts=2 sw=2
autocmd BufNew,BufRead *.json, setl ts=2 sw=2
autocmd BufNewFile,BufRead *.ts  setl ft=javascript
autocmd BufNewFile,BufRead *.pom setl ft=xml