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Save and restore fdm on undo

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This commit is contained in:
Karl Yngve Lervåg 2013-10-15 10:19:00 +02:00
parent 76b2c9f27f
commit e2ed3dd8c6
1 changed files with 16 additions and 10 deletions
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26
autoload/latex/fold.vim
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@ -10,6 +10,11 @@ function! latex#fold#init(initialized)
nnoremap <silent><buffer> zx :call latex#fold#refresh()<cr>zx
endif
"
" For some reason, foldmethod=expr makes undo slow (at least in some cases)
"
nnoremap <silent><buffer> u :call FdmSave()<cr>u:call FdmRestore()<cr>
"
" The foldexpr function returns "=" for most lines, which means it can
" become slow for large files. The following is a hack that is based on
@ -19,8 +24,8 @@ function! latex#fold#init(initialized)
if !a:initialized
augroup latex_fold
autocmd!
autocmd InsertEnter *.tex call s:fdm_save()
autocmd InsertLeave *.tex call s:fdm_restore()
autocmd InsertEnter *.tex call FdmSave()
autocmd InsertLeave *.tex call FdmRestore()
augroup END
endif
endif
@ -163,21 +168,22 @@ function! latex#fold#text()
endfunction
" }}}1
" {{{1 s:notbslash and s:notcomment
let s:notbslash = '\%(\\\@<!\%(\\\\\)*\)\@<='
let s:notcomment = '\%(\%(\\\@<!\%(\\\\\)*\)\@<=%.*\)\@<!'
" {{{1 s:fdm_restore
function! s:fdm_restore()
" {{{1 FdmRestore
function! FdmRestore()
let &l:foldmethod = s:fdm
endfunction
" {{{1 s:fdm_save
" {{{1 FdmSave
let s:fdm=''
function! s:fdm_save()
function! FdmSave()
let s:fdm = &l:foldmethod
setlocal foldmethod=manual
endfunction
" }}}1
" {{{1 s:notbslash and s:notcomment
let s:notbslash = '\%(\\\@<!\%(\\\\\)*\)\@<='
let s:notcomment = '\%(\%(\\\@<!\%(\\\\\)*\)\@<=%.*\)\@<!'
" {{{1 s:find_fold_sections
function! s:find_fold_sections()