let vim_itunes_list_buffer_name = "/tmp/vimitunes_playlist4vi_" . system("echo -n $RANDOM")
if !exists('g:vim_itunes_playlist')
    let vim_itunes_playlist = "音乐"
endif

command -nargs=0 IT :call VimiTunesListInit()
function VimiTunesListInit()
    let s:bufn = bufnr(g:vim_itunes_list_buffer_name) 
    if s:bufn > -1 
        exe "silent " . s:bufn . "sb"
    else
        exe "silent split " . g:vim_itunes_list_buffer_name
        exe "silent setlocal nomodifiable"
        exe "silent setlocal nu"  
        exe "silent setlocal cul"  
        exe "silent setlocal hlsearch"  
        exe "silent setlocal nospell"  
        exe "silent setlocal noswapfile"  
        exe "silent setlocal nowrap"  
        exe "silent setlocal statusline=VimiTunesList\\ [<c-r>\\ reaload\\ playlist]"
        noremap <buffer> <silent> <cr> :call VimiTunesListPlay()<cr>
        noremap <buffer> <silent> <c-r> :call VimiTunesListLoad("1")<cr>
        exe "silent au VimLeave * :!rm " . g:vim_itunes_list_buffer_name  
        call VimiTunesListLoad("0")
    endif
endfunction

function VimiTunesListLoad(reload)
    let s:width = winwidth(0)
    echo "Loading playlist ..." 
    let s:xx = system("vimitunes getlist " . s:width . " " . a:reload . " \"" . g:vim_itunes_playlist . "\"  > " . g:vim_itunes_list_buffer_name)
    exe "silent edit " . g:vim_itunes_list_buffer_name
    exe "silent redraw!"  
endfunction

function VimiTunesListPlay()
    let s:lnum = line(".")
    let s:xx = system("vimitunes play " . s:lnum . " \"" . g:vim_itunes_playlist . "\"")
endfunction