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Clean up the NERDTreeOpener constructor

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This method needed some love.  The internals were simplified and
reformatted, and the comment was edited for additional readability.
This commit is contained in:
Jason Franklin 2017-11-11 08:29:09 -05:00
parent 97433edd43
commit f0a97209f1
1 changed files with 18 additions and 27 deletions
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45
lib/nerdtree/opener.vim
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@ -126,38 +126,29 @@ function! s:Opener._isWindowUsable(winnumber)
endfunction
" FUNCTION: Opener.New(path, opts) {{{1
" Instantiate a new NERDTreeOpener object.
" Args:
"
" a:path: The path object that is to be opened.
"
" a:opts:
"
" A dictionary containing the following keys (all optional):
" 'where': Specifies whether the node should be opened in new split/tab or in
" the previous window. Can be either 'v' or 'h' or 't' (for open in
" new tab)
" 'reuse': if a window is displaying the file then jump the cursor there. Can
" 'all', 'currenttab' or empty to not reuse.
" 'keepopen': dont close the tree window
" 'stay': open the file, but keep the cursor in the tree win
" a:path: the path object that is to be opened
" a:opts: a dictionary containing the following optional keys...
" 'where': specifies whether the node should be opened in new split, in
" a new tab or, in the last window; takes values "v", "h", or "t"
" 'reuse': if file is already shown in a window, jump there; takes values
" "all", "currenttab", or empty
" 'keepopen': boolean (0 or 1); if true, the tree window will not be closed
" 'stay': boolean (0 or 1); if true, remain in tree window after opening
function! s:Opener.New(path, opts)
let newObj = copy(self)
let l:newOpener = copy(self)
let newObj._path = a:path
let newObj._stay = nerdtree#has_opt(a:opts, 'stay')
let l:newOpener._keepopen = nerdtree#has_opt(a:opts, 'keepopen')
let l:newOpener._nerdtree = b:NERDTree
let l:newOpener._path = a:path
let l:newOpener._reuse = has_key(a:opts, 'reuse') ? a:opts['reuse'] : ''
let l:newOpener._stay = nerdtree#has_opt(a:opts, 'stay')
let l:newOpener._where = has_key(a:opts, 'where') ? a:opts['where'] : ''
if has_key(a:opts, 'reuse')
let newObj._reuse = a:opts['reuse']
else
let newObj._reuse = ''
endif
call l:newOpener._saveCursorPos()
let newObj._keepopen = nerdtree#has_opt(a:opts, 'keepopen')
let newObj._where = has_key(a:opts, 'where') ? a:opts['where'] : ''
let newObj._nerdtree = b:NERDTree
call newObj._saveCursorPos()
return newObj
return l:newOpener
endfunction
" FUNCTION: Opener._newSplit() {{{1