vimtex/ftplugin/latextoc.vim
Karl Yngve Lervåg 7808e59239 Initial revision
2013-10-05 13:53:42 +02:00

135 lines
3.3 KiB
VimL

" LaTeX plugin for Vim
"
" Maintainer: Karl Yngve Lervåg
" Email: karl.yngve@gmail.com
"
if exists('b:did_ftplugin')
finish
endif
let b:did_ftplugin = 1
" Set local buffer settings
setlocal buftype=nofile
setlocal bufhidden=wipe
setlocal nobuflisted
setlocal noswapfile
setlocal nowrap
setlocal nonumber
setlocal nolist
setlocal nospell
setlocal cursorline
setlocal tabstop=8
setlocal cole=0
setlocal cocu=nvic
if g:latex_toc_fold
setlocal foldmethod=expr
setlocal foldexpr=toc#fold(v:lnum)
setlocal foldtext=toc#fold_tex()
endif
" Define mappings
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
nnoremap <buffer> <silent> s :call <SID>toc_toggle_numbers()<cr>
nnoremap <buffer> <silent> q :call <SID>toc_close()<cr>
nnoremap <buffer> <silent> <Esc> :call <SID>toc_close()<cr>
nnoremap <buffer> <silent> <Space> :call <SID>toc_activate(0)<cr>
nnoremap <buffer> <silent> <leftrelease> :call <SID>toc_activate(0)<cr>
nnoremap <buffer> <silent> <CR> :call <SID>toc_activate(1)<cr>
nnoremap <buffer> <silent> <2-leftmouse> :call <SID>toc_activate(1)<cr>
" {{{1 s:toc_activate
function! s:toc_activate(close)
let n = getpos('.')[1] - 1
if n >= len(b:toc)
return
endif
let entry = b:toc[n]
let titlestr = s:toc_escape_title(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:toc_escape_title(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 bnr = bufnr(entry['file'])
if bnr == -1
execute 'badd ' . entry['file']
let bnr = bufnr(entry['file'])
endif
execute 'buffer! ' . bnr
" skip duplicates
while duplicates > 0
if search('\\' . entry['level'] . '\_\s*{' . titlestr . '}', 'ws')
let duplicates -= 1
endif
endwhile
if search('\\' . entry['level'] . '\_\s*{' . titlestr . '}', 'ws')
normal zv
endif
if a:close
if g:latex_toc_resize
silent exe "set columns-=" . g:latex_toc_width
endif
execute 'bwipeout ' . toc_bnr
else
execute toc_wnr . 'wincmd w'
endif
endfunction
" {{{1 s:toc_close
function! s:toc_close()
if g:latex_toc_resize
silent exe "set columns-=" . g:latex_toc_width
endif
bwipeout
endfunction
" {{{1 s:toc_escape_title
function! s:toc_escape_title(titlestr)
" Credit goes to Marcin Szamotulski for the following fix. It allows to
" match through commands added by TeX.
let titlestr = substitute(a:titlestr, '\\\w*\>\s*\%({[^}]*}\)\?', '.*', 'g')
let titlestr = escape(titlestr, '\')
return substitute(titlestr, ' ', '\\_\\s\\+', 'g')
endfunction
" {{{1 s:toc_toggle_numbers
function! s:toc_toggle_numbers()
if b:toc_numbers
setlocal conceallevel=3
let b:toc_numbers = 0
else
setlocal conceallevel=0
let b:toc_numbers = 1
endif
endfunction
" }}}1
" vim:fdm=marker:ff=unix