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handle tab tree buffers being :bdeleted

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Closes #375
This commit is contained in:
Martin Grenfell
2015-11-26 19:14:51 +00:00
parent 73ded483a0
commit 0544ff524c
1 changed files with 8 additions and 3 deletions
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11
lib/nerdtree/nerdtree.vim
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@@ -101,7 +101,12 @@ endfunction
" Function: s:NERDTree.ExistsForTab() {{{1
" Returns 1 if a nerd tree root exists in the current tab
function! s:NERDTree.ExistsForTab()
return exists("t:NERDTreeBufName")
if !exists("t:NERDTreeBufName")
return
end
"check b:NERDTree is still there and hasn't been e.g. :bdeleted
return !empty(getbufvar(bufnr(t:NERDTreeBufName), 'NERDTree'))
endfunction
function! s:NERDTree.ForCurrentBuf()
@@ -132,9 +137,9 @@ endfunction
function! s:NERDTree.GetWinNum()
if exists("t:NERDTreeBufName")
return bufwinnr(t:NERDTreeBufName)
else
return -1
endif
return -1
endfunction
"FUNCTION: s:NERDTree.IsOpen() {{{1