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ultimate-vim/sources_non_forked/nerdtree/lib/nerdtree/notifier.vim

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VimL

"CLASS: Notifier
"============================================================
let s:Notifier = {}
function! s:Notifier.AddListener(event, funcname)
let listeners = s:Notifier.GetListenersForEvent(a:event)
if listeners == []
let listenersMap = s:Notifier.GetListenersMap()
let listenersMap[a:event] = listeners
endif
call add(listeners, a:funcname)
endfunction
function! s:Notifier.NotifyListeners(event, path, nerdtree, params)
let event = g:NERDTreeEvent.New(a:nerdtree, a:path, a:event, a:params)
for listener in s:Notifier.GetListenersForEvent(a:event)
call {listener}(event)
endfor
endfunction
function! s:Notifier.GetListenersMap()
if !exists("s:refreshListenersMap")
let s:refreshListenersMap = {}
endif
return s:refreshListenersMap
endfunction
function! s:Notifier.GetListenersForEvent(name)
let listenersMap = s:Notifier.GetListenersMap()
return get(listenersMap, a:name, [])
endfunction
let g:NERDTreePathNotifier = deepcopy(s:Notifier)