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Fix the "TreeDirNode.open()" method

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Issues #547 and #526 reported a problem with the "open()" method in
the "TreeDirNode" class.

Specifically, opening a cascade in the NERDTree will perform the
opening operation on the tail of the cascade. This is a problem when
other operations (such as the "u" mapping) close intermediate
cascaded directories, which causes opening the tail to have no
effect (other than toggling the arrow).

Here, the "open()" method was modified to open all directories in a
cascade whenever the tail is opened. This is the only reasonable fix
for this type of problem.

Fixes #547 and fixes #526.
This commit is contained in:
Jason Franklin 2017-07-02 11:51:32 -04:00
parent 18f04e0824
commit 8660541333
1 changed files with 30 additions and 16 deletions
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46
lib/nerdtree/tree_dir_node.vim
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@ -410,25 +410,39 @@ function! s:TreeDirNode.New(path, nerdtree)
return newTreeNode return newTreeNode
endfunction endfunction
" FUNCTION: TreeDirNode.open([opts]) {{{1 " FUNCTION: TreeDirNode.open([options]) {{{1
" Open the dir in the current tree or in a new tree elsewhere. " Open this directory node in the current tree or elsewhere if special options
" " are provided. Return 0 if options were processed. Otherwise, return the
" If opening in the current tree, return the number of cached nodes. " number of new cached nodes.
unlet s:TreeDirNode.open
function! s:TreeDirNode.open(...) function! s:TreeDirNode.open(...)
let opts = a:0 ? a:1 : {} let l:options = a:0 ? a:1 : {}
if has_key(opts, 'where') && !empty(opts['where']) " If special options were specified, process them and return.
let opener = g:NERDTreeOpener.New(self.path, opts) if has_key(l:options, 'where') && !empty(l:options['where'])
call opener.open(self) let l:opener = g:NERDTreeOpener.New(self.path, l:options)
else call l:opener.open(self)
let self.isOpen = 1 return 0
if self.children ==# []
return self._initChildren(0)
else
return 0
endif
endif endif
" Open any ancestors of this node that render within the same cascade.
let l:parent = self.parent
while l:parent != b:NERDTree.root && !empty(l:parent)
if index(l:parent.getCascade(), self) >= 0
let l:parent.isOpen = 1
let l:parent = l:parent.parent
else
break
endif
endwhile
let self.isOpen = 1
let l:numChildrenCached = 0
if empty(self.children)
let l:numChildrenCached = self._initChildren(0)
endif
return l:numChildrenCached
endfunction endfunction
" FUNCTION: TreeDirNode.openAlong([opts]) {{{1 " FUNCTION: TreeDirNode.openAlong([opts]) {{{1