1 files changed, 206 insertions, 0 deletions
diff --git a/ftplugin/latextoc.vim b/ftplugin/latextoc.vim
new file mode 100644
index 00000000..bfb8658e
--- /dev/null
+++ b/ftplugin/latextoc.vim
@@ -0,0 +1,206 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1
+  
+" {{{1 Settings
+setlocal buftype=nofile
+setlocal bufhidden=wipe
+setlocal nobuflisted
+setlocal noswapfile
+setlocal nowrap
+setlocal nospell
+setlocal cursorline
+setlocal nonumber
+setlocal nolist
+setlocal tabstop=8
+setlocal cole=0
+setlocal cocu=nvic
+if g:LatexBox_fold_toc
+    setlocal foldmethod=expr
+    setlocal foldexpr=TOCFoldLevel(v:lnum)
+    setlocal foldtext=TOCFoldText()
+endif
+" }}}1
+
+" {{{1 Functions
+" {{{2 TOCClose
+function! s:TOCClose()
+    if g:LatexBox_split_resize
+        silent exe "set columns-=" . g:LatexBox_split_width
+    endif
+    bwipeout
+endfunction
+
+" {{{2 TOCToggleNumbers
+function! s:TOCToggleNumbers()
+    if b:toc_numbers
+        setlocal conceallevel=3
+        let b:toc_numbers = 0
+    else
+        setlocal conceallevel=0
+        let b:toc_numbers = 1
+    endif
+endfunction
+
+" {{{2 EscapeTitle
+function! s:EscapeTitle(titlestr)
+    let titlestr = substitute(a:titlestr, '\\[a-zA-Z@]*\>\s*{\?', '.*', 'g')
+    let titlestr = substitute(titlestr, '}', '', 'g')
+    let titlestr = substitute(titlestr, '\%(\.\*\s*\)\{2,}', '.*', 'g')
+    return titlestr
+endfunction
+
+" {{{2 TOCActivate
+function! s:TOCActivate(close)
+    let n = getpos('.')[1] - 1
+
+    if n >= len(b:toc)
+        return
+    endif
+
+    let entry = b:toc[n]
+
+    let titlestr = s:EscapeTitle(entry['text'])
+
+    " Search for duplicates
+    "
+    let i=0
+    let entry_hash = entry['level'].titlestr
+    let duplicates = 0
+    while i<n
+        let i_entry = b:toc[n]
+        let i_hash = b:toc[i]['level'].s:EscapeTitle(b:toc[i]['text'])
+        if i_hash == entry_hash
+            let duplicates += 1
+        endif
+        let i += 1
+    endwhile
+    let toc_bnr = bufnr('%')
+    let toc_wnr = winnr()
+
+    execute b:calling_win . 'wincmd w'
+
+    let root = fnamemodify(entry['file'], ':h') . '/'
+    let files = [entry['file']]
+    for line in filter(readfile(entry['file']), 'v:val =~ ''\\input{''')
+        let file = matchstr(line, '{\zs.\{-}\ze\(\.tex\)\?}') . '.tex'
+        if file[0] != '/'
+            let file = root . file
+        endif
+        call add(files, file)
+    endfor
+
+    " Find section in buffer (or inputted files)
+    if entry['level'] == 'label'
+        let re = '\(\\label\_\s*{\|label\s*=\s*\)' . titlestr . '\>'
+    else
+        let re = '\\' . entry['level'] . '\_\s*{' . titlestr . '}'
+    endif
+    call s:TOCFindMatch(re, duplicates, files)
+
+    if a:close
+        if g:LatexBox_split_resize
+            silent exe "set columns-=" . g:LatexBox_split_width
+        endif
+        execute 'bwipeout ' . toc_bnr
+    else
+        execute toc_wnr . 'wincmd w'
+    endif
+endfunction
+
+" {{{2 TOCFindMatch
+function! s:TOCFindMatch(strsearch,duplicates,files)
+    if len(a:files) == 0
+        echoerr "Could not find: " . a:strsearch
+        return
+    endif
+
+    call s:TOCOpenBuf(a:files[0])
+    let dups = a:duplicates
+
+    " Skip duplicates
+    while dups > 0
+        if search(a:strsearch, 'w')
+            let dups -= 1
+        else
+            break
+        endif
+    endwhile
+
+    if search(a:strsearch, 'w')
+        normal! zv
+        return
+    endif
+
+    call s:TOCFindMatch(a:strsearch,dups,a:files[1:])
+endfunction
+
+" {{{2 TOCFoldLevel
+function! TOCFoldLevel(lnum)
+    let line  = getline(a:lnum)
+    let match_s1 = line =~# '^\w\+\s'
+    let match_s2 = line =~# '^\w\+\.\w\+\s'
+    let match_s3 = line =~# '^\w\+\.\w\+\.\w\+\s'
+
+    if g:LatexBox_fold_toc_levels >= 3
+        if match_s3
+            return ">3"
+        endif
+    endif
+
+    if g:LatexBox_fold_toc_levels >= 2
+        if match_s2
+            return ">2"
+        endif
+    endif
+
+    if match_s1
+        return ">1"
+    endif
+
+    " Don't fold options
+    if line =~# '^\s*$'
+        return 0
+    endif
+
+    " Return previous fold level
+    return "="
+endfunction
+
+" {{{2 TOCFoldText
+function! TOCFoldText()
+    let parts = matchlist(getline(v:foldstart), '^\(.*\)\t\(.*\)$')
+    return printf('%-8s%-72s', parts[1], parts[2])
+endfunction
+
+" {{{2 TOCOpenBuf
+function! s:TOCOpenBuf(file)
+
+    let bnr = bufnr(a:file)
+    if bnr == -1
+        execute 'badd ' . a:file
+        let bnr = bufnr(a:file)
+    endif
+    execute 'buffer! ' . bnr
+    normal! gg
+
+endfunction
+
+" }}}1
+
+" {{{1 Mappings
+nnoremap <buffer> <silent> s :call <SID>TOCToggleNumbers()<CR>
+nnoremap <buffer> <silent> q :call <SID>TOCClose()<CR>
+nnoremap <buffer> <silent> <Esc> :call <SID>TOCClose()<CR>
+nnoremap <buffer> <silent> <Space> :call <SID>TOCActivate(0)<CR>
+nnoremap <buffer> <silent> <CR> :call <SID>TOCActivate(1)<CR>
+nnoremap <buffer> <silent> <leftrelease> :call <SID>TOCActivate(0)<cr>
+nnoremap <buffer> <silent> <2-leftmouse> :call <SID>TOCActivate(1)<cr>
+nnoremap <buffer> <silent> G G4k
+nnoremap <buffer> <silent> <Esc>OA k
+nnoremap <buffer> <silent> <Esc>OB j
+nnoremap <buffer> <silent> <Esc>OC l
+nnoremap <buffer> <silent> <Esc>OD h
+" }}}1
+
+" vim:fdm=marker:ff=unix:et:ts=4:sw=4
+
+endif