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Verify we haven't reached root when traversing cascade

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Łukasz Adamczak
2016-06-22 13:59:49 +02:00
parent c99312442b
commit 2924ab2071
1 changed files with 8 additions and 8 deletions
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8
autoload/nerdtree/ui_glue.vim
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@@ -187,10 +187,7 @@ endfunction
" closes the parent dir of the current node " closes the parent dir of the current node
function! s:closeCurrentDir(node) function! s:closeCurrentDir(node)
let parent = a:node.parent let parent = a:node.parent
if parent ==# {} || parent.isRoot() while g:NERDTreeCascadeOpenSingleChildDir && !parent.isRoot()
call nerdtree#echo("cannot close tree root")
else
while g:NERDTreeCascadeOpenSingleChildDir && !parent.parent.isRoot()
let childNodes = parent.getVisibleChildren() let childNodes = parent.getVisibleChildren()
if len(childNodes) == 1 && childNodes[0].path.isDirectory if len(childNodes) == 1 && childNodes[0].path.isDirectory
let parent = parent.parent let parent = parent.parent
@@ -198,6 +195,9 @@ function! s:closeCurrentDir(node)
break break
endif endif
endwhile endwhile
if parent ==# {} || parent.isRoot()
call nerdtree#echo("cannot close tree root")
else
call parent.close() call parent.close()
call b:NERDTree.render() call b:NERDTree.render()
call parent.putCursorHere(0, 0) call parent.putCursorHere(0, 0)