adding new stuff

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ViktorBarzin 2017-07-09 00:22:01 +03:00
parent f84d7183aa
commit 9ef8a96f9a
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" ============================================================================
" CLASS: Bookmark
"
" The Bookmark class serves two purposes:
" (1) It is the top-level prototype for new, concrete Bookmark objects.
" (2) It provides an interface for client code to query and manipulate the
" global list of Bookmark objects within the current Vim session.
" ============================================================================
let s:Bookmark = {}
let g:NERDTreeBookmark = s:Bookmark
" FUNCTION: Bookmark.activate(nerdtree) {{{1
function! s:Bookmark.activate(nerdtree, ...)
call self.open(a:nerdtree, a:0 ? a:1 : {})
endfunction
" FUNCTION: Bookmark.AddBookmark(name, path) {{{1
" Class method to add a new bookmark to the list, if a previous bookmark exists
" with the same name, just update the path for that bookmark
function! s:Bookmark.AddBookmark(name, path)
for i in s:Bookmark.Bookmarks()
if i.name ==# a:name
let i.path = a:path
return
endif
endfor
call add(s:Bookmark.Bookmarks(), s:Bookmark.New(a:name, a:path))
endfunction
" FUNCTION: Bookmark.Bookmarks() {{{1
" Class method to get all bookmarks. Lazily initializes the bookmarks global
" variable
function! s:Bookmark.Bookmarks()
if !exists("g:NERDTreeBookmarks")
let g:NERDTreeBookmarks = []
endif
return g:NERDTreeBookmarks
endfunction
" FUNCTION: Bookmark.BookmarkExistsFor(name) {{{1
" class method that returns 1 if a bookmark with the given name is found, 0
" otherwise
function! s:Bookmark.BookmarkExistsFor(name)
try
call s:Bookmark.BookmarkFor(a:name)
return 1
catch /^NERDTree.BookmarkNotFoundError/
return 0
endtry
endfunction
" FUNCTION: Bookmark.BookmarkFor(name) {{{1
" Class method that returns the Bookmark object having the specified name.
" Throws "NERDTree.BookmarkNotFoundError" if no Bookmark is found.
function! s:Bookmark.BookmarkFor(name)
let l:result = {}
for l:bookmark in s:Bookmark.Bookmarks()
if l:bookmark.name ==# a:name
let l:result = l:bookmark
break
endif
endfor
if empty(l:result)
throw 'NERDTree.BookmarkNotFoundError: "' . a:name . '" not found'
endif
return l:result
endfunction
" FUNCTION: Bookmark.BookmarkNames() {{{1
" Class method to return an array of all bookmark names
function! s:Bookmark.BookmarkNames()
let names = []
for i in s:Bookmark.Bookmarks()
call add(names, i.name)
endfor
return names
endfunction
" FUNCTION: Bookmark.CacheBookmarks(silent) {{{1
" Class method to read all bookmarks from the bookmarks file initialize
" bookmark objects for each one.
"
" Args:
" silent - dont echo an error msg if invalid bookmarks are found
function! s:Bookmark.CacheBookmarks(silent)
if filereadable(g:NERDTreeBookmarksFile)
let g:NERDTreeBookmarks = []
let g:NERDTreeInvalidBookmarks = []
let bookmarkStrings = readfile(g:NERDTreeBookmarksFile)
let invalidBookmarksFound = 0
for i in bookmarkStrings
"ignore blank lines
if i != ''
let name = substitute(i, '^\(.\{-}\) .*$', '\1', '')
let path = substitute(i, '^.\{-} \(.*\)$', '\1', '')
let path = fnamemodify(path, ':p')
try
let bookmark = s:Bookmark.New(name, g:NERDTreePath.New(path))
call add(g:NERDTreeBookmarks, bookmark)
catch /^NERDTree.InvalidArgumentsError/
call add(g:NERDTreeInvalidBookmarks, i)
let invalidBookmarksFound += 1
endtry
endif
endfor
if invalidBookmarksFound
call s:Bookmark.Write()
if !a:silent
call nerdtree#echo(invalidBookmarksFound . " invalid bookmarks were read. See :help NERDTreeInvalidBookmarks for info.")
endif
endif
endif
endfunction
" FUNCTION: Bookmark.CompareBookmarksByName(firstBookmark, secondBookmark) {{{1
" Class method that indicates the relative position of two bookmarks when
" placed in alphabetical order by name. Case-sensitivity is determined by an
" option. Supports the "s:Bookmark.SortBookmarksList()" method.
function! s:Bookmark.CompareBookmarksByName(firstBookmark, secondBookmark)
let l:result = 0
if g:NERDTreeBookmarksSort == 1
if a:firstBookmark.name <? a:secondBookmark.name
let l:result = -1
elseif a:firstBookmark.name >? a:secondBookmark.name
let l:result = 1
endif
elseif g:NERDTreeBookmarksSort == 2
if a:firstBookmark.name <# a:secondBookmark.name
let l:result = -1
elseif a:firstBookmark.name ># a:secondBookmark.name
let l:result = 1
endif
endif
return l:result
endfunction
" FUNCTION: Bookmark.ClearAll() {{{1
" Class method to delete all bookmarks.
function! s:Bookmark.ClearAll()
for i in s:Bookmark.Bookmarks()
call i.delete()
endfor
call s:Bookmark.Write()
endfunction
" FUNCTION: Bookmark.delete() {{{1
" Delete this bookmark. If the node for this bookmark is under the current
" root, then recache bookmarks for its Path object
function! s:Bookmark.delete()
call remove(s:Bookmark.Bookmarks(), index(s:Bookmark.Bookmarks(), self))
call s:Bookmark.Write()
endfunction
" FUNCTION: Bookmark.getNode(nerdtree, searchFromAbsoluteRoot) {{{1
" Returns the tree node object associated with this Bookmark.
" Throws "NERDTree.BookmarkedNodeNotFoundError" if the node is not found.
"
" Args:
" searchFromAbsoluteRoot: boolean flag, search from the highest cached node
" if true and from the current tree root if false
function! s:Bookmark.getNode(nerdtree, searchFromAbsoluteRoot)
if a:searchFromAbsoluteRoot
let l:searchRoot = a:nerdtree.root.AbsoluteTreeRoot()
else
let l:searchRoot = a:nerdtree.root
endif
let l:targetNode = l:searchRoot.findNode(self.path)
if empty(l:targetNode)
throw 'NERDTree.BookmarkedNodeNotFoundError: node for bookmark "' . self.name . '" not found'
endif
return l:targetNode
endfunction
" FUNCTION: Bookmark.GetNodeForName(name, searchFromAbsoluteRoot, nerdtree) {{{1
" Class method that returns the tree node object for the Bookmark with the
" given name. Throws "NERDTree.BookmarkNotFoundError" if a Bookmark with the
" name does not exist. Throws "NERDTree.BookmarkedNodeNotFoundError" if a
" tree node for the named Bookmark could not be found.
function! s:Bookmark.GetNodeForName(name, searchFromAbsoluteRoot, nerdtree)
let l:bookmark = s:Bookmark.BookmarkFor(a:name)
return l:bookmark.getNode(a:nerdtree, a:searchFromAbsoluteRoot)
endfunction
" FUNCTION: Bookmark.GetSelected() {{{1
" returns the Bookmark the cursor is over, or {}
function! s:Bookmark.GetSelected()
let line = getline(".")
let name = substitute(line, '^>\(.\{-}\) .\+$', '\1', '')
if name != line
try
return s:Bookmark.BookmarkFor(name)
catch /^NERDTree.BookmarkNotFoundError/
return {}
endtry
endif
return {}
endfunction
" FUNCTION: Bookmark.InvalidBookmarks() {{{1
" Class method to get all invalid bookmark strings read from the bookmarks
" file
function! s:Bookmark.InvalidBookmarks()
if !exists("g:NERDTreeInvalidBookmarks")
let g:NERDTreeInvalidBookmarks = []
endif
return g:NERDTreeInvalidBookmarks
endfunction
" FUNCTION: Bookmark.mustExist() {{{1
function! s:Bookmark.mustExist()
if !self.path.exists()
call s:Bookmark.CacheBookmarks(1)
throw "NERDTree.BookmarkPointsToInvalidLocationError: the bookmark \"".
\ self.name ."\" points to a non existing location: \"". self.path.str()
endif
endfunction
" FUNCTION: Bookmark.New(name, path) {{{1
" Create a new bookmark object with the given name and path object
function! s:Bookmark.New(name, path)
if a:name =~# ' '
throw "NERDTree.IllegalBookmarkNameError: illegal name:" . a:name
endif
let newBookmark = copy(self)
let newBookmark.name = a:name
let newBookmark.path = a:path
return newBookmark
endfunction
" FUNCTION: Bookmark.open(nerdtree, [options]) {{{1
"Args:
"
"nerdtree: the tree to load open the bookmark in
"
"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' (vertical split), 'h'
" (horizontal split), 't' (new tab) or 'p' (previous window).
" 'reuse': if a window is displaying the file then jump the cursor there
" 'keepopen': dont close the tree window
" 'stay': open the file, but keep the cursor in the tree win
"
function! s:Bookmark.open(nerdtree, ...)
let opts = a:0 ? a:1 : {}
if self.path.isDirectory && !has_key(opts, 'where')
call self.toRoot(a:nerdtree)
else
let opener = g:NERDTreeOpener.New(self.path, opts)
call opener.open(self)
endif
endfunction
" FUNCTION: Bookmark.openInNewTab(options) {{{1
" Create a new bookmark object with the given name and path object
function! s:Bookmark.openInNewTab(options)
call nerdtree#deprecated('Bookmark.openInNewTab', 'is deprecated, use open() instead')
call self.open(a:options)
endfunction
" FUNCTION: Bookmark.setPath(path) {{{1
" makes this bookmark point to the given path
function! s:Bookmark.setPath(path)
let self.path = a:path
endfunction
" FUNCTION: Bookmark.SortBookmarksList() {{{1
" Class method that sorts the global list of bookmarks alphabetically by name.
" Note that case-sensitivity is determined by a user option.
function! s:Bookmark.SortBookmarksList()
call sort(s:Bookmark.Bookmarks(), s:Bookmark.CompareBookmarksByName)
endfunction
" FUNCTION: Bookmark.str() {{{1
" Get the string that should be rendered in the view for this bookmark
function! s:Bookmark.str()
let pathStrMaxLen = winwidth(g:NERDTree.GetWinNum()) - 4 - len(self.name)
if &nu
let pathStrMaxLen = pathStrMaxLen - &numberwidth
endif
let pathStr = self.path.str({'format': 'UI'})
if len(pathStr) > pathStrMaxLen
let pathStr = '<' . strpart(pathStr, len(pathStr) - pathStrMaxLen)
endif
return '>' . self.name . ' ' . pathStr
endfunction
" FUNCTION: Bookmark.toRoot(nerdtree) {{{1
" Make the node for this bookmark the new tree root
function! s:Bookmark.toRoot(nerdtree)
if self.validate()
try
let targetNode = self.getNode(a:nerdtree, 1)
catch /^NERDTree.BookmarkedNodeNotFoundError/
let targetNode = g:NERDTreeFileNode.New(s:Bookmark.BookmarkFor(self.name).path, a:nerdtree)
endtry
call a:nerdtree.changeRoot(targetNode)
endif
endfunction
" FUNCTION: Bookmark.ToRoot(name, nerdtree) {{{1
" Make the node for this bookmark the new tree root
function! s:Bookmark.ToRoot(name, nerdtree)
let bookmark = s:Bookmark.BookmarkFor(a:name)
call bookmark.toRoot(a:nerdtree)
endfunction
" FUNCTION: Bookmark.validate() {{{1
function! s:Bookmark.validate()
if self.path.exists()
return 1
else
call s:Bookmark.CacheBookmarks(1)
call nerdtree#echo(self.name . "now points to an invalid location. See :help NERDTreeInvalidBookmarks for info.")
return 0
endif
endfunction
" FUNCTION: Bookmark.Write() {{{1
" Class method to write all bookmarks to the bookmarks file
function! s:Bookmark.Write()
let bookmarkStrings = []
for i in s:Bookmark.Bookmarks()
call add(bookmarkStrings, i.name . ' ' . fnamemodify(i.path.str(), ':~'))
endfor
"add a blank line before the invalid ones
call add(bookmarkStrings, "")
for j in s:Bookmark.InvalidBookmarks()
call add(bookmarkStrings, j)
endfor
call writefile(bookmarkStrings, g:NERDTreeBookmarksFile)
endfunction
" vim: set sw=4 sts=4 et fdm=marker:

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"CLASS: Creator
"Creates tab/window/mirror nerdtree windows. Sets up all the window and
"buffer options and key mappings etc.
"============================================================
let s:Creator = {}
let g:NERDTreeCreator = s:Creator
"FUNCTION: s:Creator._bindMappings() {{{1
function! s:Creator._bindMappings()
"make <cr> do the same as the activate node mapping
nnoremap <silent> <buffer> <cr> :call nerdtree#ui_glue#invokeKeyMap(g:NERDTreeMapActivateNode)<cr>
call g:NERDTreeKeyMap.BindAll()
command! -buffer -nargs=? Bookmark :call nerdtree#ui_glue#bookmarkNode('<args>')
command! -buffer -complete=customlist,nerdtree#completeBookmarks -nargs=1 RevealBookmark :call nerdtree#ui_glue#revealBookmark('<args>')
command! -buffer -complete=customlist,nerdtree#completeBookmarks -nargs=1 OpenBookmark call nerdtree#ui_glue#openBookmark('<args>')
command! -buffer -complete=customlist,nerdtree#completeBookmarks -nargs=* ClearBookmarks call nerdtree#ui_glue#clearBookmarks('<args>')
command! -buffer -complete=customlist,nerdtree#completeBookmarks -nargs=+ BookmarkToRoot call g:NERDTreeBookmark.ToRoot('<args>', b:NERDTree)
command! -buffer -nargs=0 ClearAllBookmarks call g:NERDTreeBookmark.ClearAll() <bar> call b:NERDTree.render()
command! -buffer -nargs=0 ReadBookmarks call g:NERDTreeBookmark.CacheBookmarks(0) <bar> call b:NERDTree.render()
command! -buffer -nargs=0 WriteBookmarks call g:NERDTreeBookmark.Write()
endfunction
"FUNCTION: s:Creator._broadcastInitEvent() {{{1
function! s:Creator._broadcastInitEvent()
silent doautocmd User NERDTreeInit
endfunction
" FUNCTION: s:Creator.BufNamePrefix() {{{2
function! s:Creator.BufNamePrefix()
return 'NERD_tree_'
endfunction
"FUNCTION: s:Creator.CreateTabTree(a:name) {{{1
function! s:Creator.CreateTabTree(name)
let creator = s:Creator.New()
call creator.createTabTree(a:name)
endfunction
"FUNCTION: s:Creator.createTabTree(a:name) {{{1
"name: the name of a bookmark or a directory
function! s:Creator.createTabTree(name)
let path = self._pathForString(a:name)
"abort if exception was thrown (bookmark/dir doesn't exist)
if empty(path)
return
endif
if path == {}
return
endif
"if instructed to, then change the vim CWD to the dir the NERDTree is
"inited in
if g:NERDTreeChDirMode != 0
call path.changeToDir()
endif
if g:NERDTree.ExistsForTab()
if g:NERDTree.IsOpen()
call g:NERDTree.Close()
endif
call self._removeTreeBufForTab()
endif
call self._createTreeWin()
call self._createNERDTree(path, "tab")
call b:NERDTree.render()
call b:NERDTree.root.putCursorHere(0, 0)
call self._broadcastInitEvent()
endfunction
"FUNCTION: s:Creator.CreateWindowTree(dir) {{{1
function! s:Creator.CreateWindowTree(dir)
let creator = s:Creator.New()
call creator.createWindowTree(a:dir)
endfunction
"FUNCTION: s:Creator.createWindowTree(dir) {{{1
function! s:Creator.createWindowTree(dir)
try
let path = g:NERDTreePath.New(a:dir)
catch /^NERDTree.InvalidArgumentsError/
call nerdtree#echo("Invalid directory name:" . a:name)
return
endtry
"we want the directory buffer to disappear when we do the :edit below
setlocal bufhidden=wipe
let previousBuf = expand("#")
"we need a unique name for each window tree buffer to ensure they are
"all independent
exec g:NERDTreeCreatePrefix . " edit " . self._nextBufferName()
call self._createNERDTree(path, "window")
let b:NERDTree._previousBuf = bufnr(previousBuf)
call self._setCommonBufOptions()
call b:NERDTree.render()
call self._broadcastInitEvent()
endfunction
" FUNCTION: s:Creator._createNERDTree(path) {{{1
function! s:Creator._createNERDTree(path, type)
let b:NERDTree = g:NERDTree.New(a:path, a:type)
"TODO: This is kept for compatability only since many things use
"b:NERDTreeRoot instead of the new NERDTree.root
"Remove this one day
let b:NERDTreeRoot = b:NERDTree.root
call b:NERDTree.root.open()
endfunction
" FUNCTION: s:Creator.CreateMirror() {{{1
function! s:Creator.CreateMirror()
let creator = s:Creator.New()
call creator.createMirror()
endfunction
" FUNCTION: s:Creator.createMirror() {{{1
function! s:Creator.createMirror()
"get the names off all the nerd tree buffers
let treeBufNames = []
for i in range(1, tabpagenr("$"))
let nextName = self._tabpagevar(i, 'NERDTreeBufName')
if nextName != -1 && (!exists("t:NERDTreeBufName") || nextName != t:NERDTreeBufName)
call add(treeBufNames, nextName)
endif
endfor
let treeBufNames = self._uniq(treeBufNames)
"map the option names (that the user will be prompted with) to the nerd
"tree buffer names
let options = {}
let i = 0
while i < len(treeBufNames)
let bufName = treeBufNames[i]
let treeRoot = getbufvar(bufName, "NERDTree").root
let options[i+1 . '. ' . treeRoot.path.str() . ' (buf name: ' . bufName . ')'] = bufName
let i = i + 1
endwhile
"work out which tree to mirror, if there is more than 1 then ask the user
let bufferName = ''
if len(keys(options)) > 1
let choices = ["Choose a tree to mirror"]
let choices = extend(choices, sort(keys(options)))
let choice = inputlist(choices)
if choice < 1 || choice > len(options) || choice ==# ''
return
endif
let bufferName = options[sort(keys(options))[choice-1]]
elseif len(keys(options)) ==# 1
let bufferName = values(options)[0]
else
call nerdtree#echo("No trees to mirror")
return
endif
if g:NERDTree.ExistsForTab() && g:NERDTree.IsOpen()
call g:NERDTree.Close()
endif
let t:NERDTreeBufName = bufferName
call self._createTreeWin()
exec 'buffer ' . bufferName
if !&hidden
call b:NERDTree.render()
endif
endfunction
"FUNCTION: s:Creator._createTreeWin() {{{1
"Inits the NERD tree window. ie. opens it, sizes it, sets all the local
"options etc
function! s:Creator._createTreeWin()
"create the nerd tree window
let splitLocation = g:NERDTreeWinPos ==# "left" ? "topleft " : "botright "
let splitSize = g:NERDTreeWinSize
if !exists('t:NERDTreeBufName')
let t:NERDTreeBufName = self._nextBufferName()
silent! exec splitLocation . 'vertical ' . splitSize . ' new'
silent! exec "edit " . t:NERDTreeBufName
else
silent! exec splitLocation . 'vertical ' . splitSize . ' split'
silent! exec "buffer " . t:NERDTreeBufName
endif
setlocal winfixwidth
call self._setCommonBufOptions()
endfunction
"FUNCTION: s:Creator._isBufHidden(nr) {{{1
function! s:Creator._isBufHidden(nr)
redir => bufs
silent ls!
redir END
return bufs =~ a:nr . '..h'
endfunction
"FUNCTION: s:Creator.New() {{{1
function! s:Creator.New()
let newCreator = copy(self)
return newCreator
endfunction
" FUNCTION: s:Creator._nextBufferName() {{{2
" returns the buffer name for the next nerd tree
function! s:Creator._nextBufferName()
let name = s:Creator.BufNamePrefix() . self._nextBufferNumber()
return name
endfunction
" FUNCTION: s:Creator._nextBufferNumber() {{{2
" the number to add to the nerd tree buffer name to make the buf name unique
function! s:Creator._nextBufferNumber()
if !exists("s:Creator._NextBufNum")
let s:Creator._NextBufNum = 1
else
let s:Creator._NextBufNum += 1
endif
return s:Creator._NextBufNum
endfunction
"FUNCTION: s:Creator._pathForString(str) {{{1
"find a bookmark or adirectory for the given string
function! s:Creator._pathForString(str)
let path = {}
if g:NERDTreeBookmark.BookmarkExistsFor(a:str)
let path = g:NERDTreeBookmark.BookmarkFor(a:str).path
else
let dir = a:str ==# '' ? getcwd() : a:str
"hack to get an absolute path if a relative path is given
if dir =~# '^\.'
let dir = getcwd() . g:NERDTreePath.Slash() . dir
endif
let dir = g:NERDTreePath.Resolve(dir)
try
let path = g:NERDTreePath.New(dir)
catch /^NERDTree.InvalidArgumentsError/
call nerdtree#echo("No bookmark or directory found for: " . a:str)
return {}
endtry
endif
if !path.isDirectory
let path = path.getParent()
endif
return path
endfunction
" Function: s:Creator._removeTreeBufForTab() {{{1
function! s:Creator._removeTreeBufForTab()
let buf = bufnr(t:NERDTreeBufName)
"if &hidden is not set then it will already be gone
if buf != -1
"nerdtree buf may be mirrored/displayed elsewhere
if self._isBufHidden(buf)
exec "bwipeout " . buf
endif
endif
unlet t:NERDTreeBufName
endfunction
"FUNCTION: s:Creator._setCommonBufOptions() {{{1
function! s:Creator._setCommonBufOptions()
"throwaway buffer options
setlocal noswapfile
setlocal buftype=nofile
setlocal bufhidden=hide
setlocal nowrap
setlocal foldcolumn=0
setlocal foldmethod=manual
setlocal nofoldenable
setlocal nobuflisted
setlocal nospell
if g:NERDTreeShowLineNumbers
setlocal nu
else
setlocal nonu
if v:version >= 703
setlocal nornu
endif
endif
iabc <buffer>
if g:NERDTreeHighlightCursorline
setlocal cursorline
endif
call self._setupStatusline()
call self._bindMappings()
setlocal filetype=nerdtree
endfunction
"FUNCTION: s:Creator._setupStatusline() {{{1
function! s:Creator._setupStatusline()
if g:NERDTreeStatusline != -1
let &l:statusline = g:NERDTreeStatusline
endif
endfunction
" FUNCTION: s:Creator._tabpagevar(tabnr, var) {{{1
function! s:Creator._tabpagevar(tabnr, var)
let currentTab = tabpagenr()
let old_ei = &ei
set ei=all
exec "tabnext " . a:tabnr
let v = -1
if exists('t:' . a:var)
exec 'let v = t:' . a:var
endif
exec "tabnext " . currentTab
let &ei = old_ei
return v
endfunction
"FUNCTION: s:Creator.ToggleTabTree(dir) {{{1
function! s:Creator.ToggleTabTree(dir)
let creator = s:Creator.New()
call creator.toggleTabTree(a:dir)
endfunction
"FUNCTION: s:Creator.toggleTabTree(dir) {{{1
"Toggles the NERD tree. I.e the NERD tree is open, it is closed, if it is
"closed it is restored or initialized (if it doesnt exist)
"
"Args:
"dir: the full path for the root node (is only used if the NERD tree is being
"initialized.
function! s:Creator.toggleTabTree(dir)
if g:NERDTree.ExistsForTab()
if !g:NERDTree.IsOpen()
call self._createTreeWin()
if !&hidden
call b:NERDTree.render()
endif
call b:NERDTree.ui.restoreScreenState()
else
call g:NERDTree.Close()
endif
else
call self.createTabTree(a:dir)
endif
endfunction
" Function: s:Creator._uniq(list) {{{1
" returns a:list without duplicates
function! s:Creator._uniq(list)
let uniqlist = []
for elem in a:list
if index(uniqlist, elem) ==# -1
let uniqlist += [elem]
endif
endfor
return uniqlist
endfunction
" vim: set sw=4 sts=4 et fdm=marker:

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"CLASS: Event
"============================================================
let s:Event = {}
let g:NERDTreeEvent = s:Event
function! s:Event.New(nerdtree, subject, action, params) abort
let newObj = copy(self)
let newObj.nerdtree = a:nerdtree
let newObj.subject = a:subject
let newObj.action = a:action
let newObj.params = a:params
return newObj
endfunction

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"CLASS: FlagSet
"============================================================
let s:FlagSet = {}
let g:NERDTreeFlagSet = s:FlagSet
"FUNCTION: FlagSet.addFlag(scope, flag) {{{1
function! s:FlagSet.addFlag(scope, flag)
let flags = self._flagsForScope(a:scope)
if index(flags, a:flag) == -1
call add(flags, a:flag)
end
endfunction
"FUNCTION: FlagSet.clearFlags(scope) {{{1
function! s:FlagSet.clearFlags(scope)
let self._flags[a:scope] = []
endfunction
"FUNCTION: FlagSet._flagsForScope(scope) {{{1
function! s:FlagSet._flagsForScope(scope)
if !has_key(self._flags, a:scope)
let self._flags[a:scope] = []
endif
return self._flags[a:scope]
endfunction
"FUNCTION: FlagSet.New() {{{1
function! s:FlagSet.New()
let newObj = copy(self)
let newObj._flags = {}
return newObj
endfunction
"FUNCTION: FlagSet.removeFlag(scope, flag) {{{1
function! s:FlagSet.removeFlag(scope, flag)
let flags = self._flagsForScope(a:scope)
let i = index(flags, a:flag)
if i >= 0
call remove(flags, i)
endif
endfunction
"FUNCTION: FlagSet.renderToString() {{{1
function! s:FlagSet.renderToString()
let flagstring = ""
for i in values(self._flags)
let flagstring .= join(i)
endfor
if len(flagstring) == 0
return ""
endif
return '[' . flagstring . ']'
endfunction

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"CLASS: KeyMap
"============================================================
let s:KeyMap = {}
let g:NERDTreeKeyMap = s:KeyMap
"FUNCTION: KeyMap.All() {{{1
function! s:KeyMap.All()
if !exists("s:keyMaps")
let s:keyMaps = []
endif
return s:keyMaps
endfunction
"FUNCTION: KeyMap.FindFor(key, scope) {{{1
function! s:KeyMap.FindFor(key, scope)
for i in s:KeyMap.All()
if i.key ==# a:key && i.scope ==# a:scope
return i
endif
endfor
return {}
endfunction
"FUNCTION: KeyMap.BindAll() {{{1
function! s:KeyMap.BindAll()
for i in s:KeyMap.All()
call i.bind()
endfor
endfunction
"FUNCTION: KeyMap.bind() {{{1
function! s:KeyMap.bind()
" If the key sequence we're trying to map contains any '<>' notation, we
" must replace each of the '<' characters with '<lt>' to ensure the string
" is not translated into its corresponding keycode during the later part
" of the map command below
" :he <>
let specialNotationRegex = '\m<\([[:alnum:]_-]\+>\)'
if self.key =~# specialNotationRegex
let keymapInvokeString = substitute(self.key, specialNotationRegex, '<lt>\1', 'g')
else
let keymapInvokeString = self.key
endif
let premap = self.key == "<LeftRelease>" ? " <LeftRelease>" : " "
exec 'nnoremap <buffer> <silent> '. self.key . premap . ':call nerdtree#ui_glue#invokeKeyMap("'. keymapInvokeString .'")<cr>'
endfunction
"FUNCTION: KeyMap.Remove(key, scope) {{{1
function! s:KeyMap.Remove(key, scope)
let maps = s:KeyMap.All()
for i in range(len(maps))
if maps[i].key ==# a:key && maps[i].scope ==# a:scope
return remove(maps, i)
endif
endfor
endfunction
"FUNCTION: KeyMap.invoke() {{{1
"Call the KeyMaps callback function
function! s:KeyMap.invoke(...)
let Callback = function(self.callback)
if a:0
call Callback(a:1)
else
call Callback()
endif
endfunction
"FUNCTION: KeyMap.Invoke() {{{1
"Find a keymapping for a:key and the current scope invoke it.
"
"Scope is determined as follows:
" * if the cursor is on a dir node then "DirNode"
" * if the cursor is on a file node then "FileNode"
" * if the cursor is on a bookmark then "Bookmark"
"
"If a keymap has the scope of "all" then it will be called if no other keymap
"is found for a:key and the scope.
function! s:KeyMap.Invoke(key)
"required because clicking the command window below another window still
"invokes the <LeftRelease> mapping - but changes the window cursor
"is in first
"
"TODO: remove this check when the vim bug is fixed
if !g:NERDTree.ExistsForBuf()
return {}
endif
let node = g:NERDTreeFileNode.GetSelected()
if !empty(node)
"try file node
if !node.path.isDirectory
let km = s:KeyMap.FindFor(a:key, "FileNode")
if !empty(km)
return km.invoke(node)
endif
endif
"try dir node
if node.path.isDirectory
let km = s:KeyMap.FindFor(a:key, "DirNode")
if !empty(km)
return km.invoke(node)
endif
endif
"try generic node
let km = s:KeyMap.FindFor(a:key, "Node")
if !empty(km)
return km.invoke(node)
endif
endif
"try bookmark
let bm = g:NERDTreeBookmark.GetSelected()
if !empty(bm)
let km = s:KeyMap.FindFor(a:key, "Bookmark")
if !empty(km)
return km.invoke(bm)
endif
endif
"try all
let km = s:KeyMap.FindFor(a:key, "all")
if !empty(km)
return km.invoke()
endif
endfunction
"FUNCTION: KeyMap.Create(options) {{{1
function! s:KeyMap.Create(options)
let opts = extend({'scope': 'all', 'quickhelpText': ''}, copy(a:options))
"dont override other mappings unless the 'override' option is given
if get(opts, 'override', 0) == 0 && !empty(s:KeyMap.FindFor(opts['key'], opts['scope']))
return
end
let newKeyMap = copy(self)
let newKeyMap.key = opts['key']
let newKeyMap.quickhelpText = opts['quickhelpText']
let newKeyMap.callback = opts['callback']
let newKeyMap.scope = opts['scope']
call s:KeyMap.Add(newKeyMap)
endfunction
"FUNCTION: KeyMap.Add(keymap) {{{1
function! s:KeyMap.Add(keymap)
call s:KeyMap.Remove(a:keymap.key, a:keymap.scope)
call add(s:KeyMap.All(), a:keymap)
endfunction
" vim: set sw=4 sts=4 et fdm=marker:

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"CLASS: MenuController
"============================================================
let s:MenuController = {}
let g:NERDTreeMenuController = s:MenuController
"FUNCTION: MenuController.New(menuItems) {{{1
"create a new menu controller that operates on the given menu items
function! s:MenuController.New(menuItems)
let newMenuController = copy(self)
if a:menuItems[0].isSeparator()
let newMenuController.menuItems = a:menuItems[1:-1]
else
let newMenuController.menuItems = a:menuItems
endif
return newMenuController
endfunction
"FUNCTION: MenuController.showMenu() {{{1
"start the main loop of the menu and get the user to choose/execute a menu
"item
function! s:MenuController.showMenu()
call self._saveOptions()
try
let self.selection = 0
let done = 0
while !done
redraw!
call self._echoPrompt()
let key = nr2char(getchar())
let done = self._handleKeypress(key)
endwhile
finally
call self._restoreOptions()
endtry
if self.selection != -1
let m = self._current()
call m.execute()
endif
endfunction
"FUNCTION: MenuController._echoPrompt() {{{1
function! s:MenuController._echoPrompt()
echo "NERDTree Menu. Use j/k/enter and the shortcuts indicated"
echo "=========================================================="
for i in range(0, len(self.menuItems)-1)
if self.selection == i
echo "> " . self.menuItems[i].text
else
echo " " . self.menuItems[i].text
endif
endfor
endfunction
"FUNCTION: MenuController._current(key) {{{1
"get the MenuItem that is currently selected
function! s:MenuController._current()
return self.menuItems[self.selection]
endfunction
"FUNCTION: MenuController._handleKeypress(key) {{{1
"change the selection (if appropriate) and return 1 if the user has made
"their choice, 0 otherwise
function! s:MenuController._handleKeypress(key)
if a:key == 'j'
call self._cursorDown()
elseif a:key == 'k'
call self._cursorUp()
elseif a:key == nr2char(27) "escape
let self.selection = -1
return 1
elseif a:key == "\r" || a:key == "\n" "enter and ctrl-j
return 1
else
let index = self._nextIndexFor(a:key)
if index != -1
let self.selection = index
if len(self._allIndexesFor(a:key)) == 1
return 1
endif
endif
endif
return 0
endfunction
"FUNCTION: MenuController._allIndexesFor(shortcut) {{{1
"get indexes to all menu items with the given shortcut
function! s:MenuController._allIndexesFor(shortcut)
let toReturn = []
for i in range(0, len(self.menuItems)-1)
if self.menuItems[i].shortcut == a:shortcut
call add(toReturn, i)
endif
endfor
return toReturn
endfunction
"FUNCTION: MenuController._nextIndexFor(shortcut) {{{1
"get the index to the next menu item with the given shortcut, starts from the
"current cursor location and wraps around to the top again if need be
function! s:MenuController._nextIndexFor(shortcut)
for i in range(self.selection+1, len(self.menuItems)-1)
if self.menuItems[i].shortcut == a:shortcut
return i
endif
endfor
for i in range(0, self.selection)
if self.menuItems[i].shortcut == a:shortcut
return i
endif
endfor
return -1
endfunction
"FUNCTION: MenuController._setCmdheight() {{{1
"sets &cmdheight to whatever is needed to display the menu
function! s:MenuController._setCmdheight()
let &cmdheight = len(self.menuItems) + 3
endfunction
"FUNCTION: MenuController._saveOptions() {{{1
"set any vim options that are required to make the menu work (saving their old
"values)
function! s:MenuController._saveOptions()
let self._oldLazyredraw = &lazyredraw
let self._oldCmdheight = &cmdheight
set nolazyredraw
call self._setCmdheight()
endfunction
"FUNCTION: MenuController._restoreOptions() {{{1
"restore the options we saved in _saveOptions()
function! s:MenuController._restoreOptions()
let &cmdheight = self._oldCmdheight
let &lazyredraw = self._oldLazyredraw
endfunction
"FUNCTION: MenuController._cursorDown() {{{1
"move the cursor to the next menu item, skipping separators
function! s:MenuController._cursorDown()
let done = 0
while !done
if self.selection < len(self.menuItems)-1
let self.selection += 1
else
let self.selection = 0
endif
if !self._current().isSeparator()
let done = 1
endif
endwhile
endfunction
"FUNCTION: MenuController._cursorUp() {{{1
"move the cursor to the previous menu item, skipping separators
function! s:MenuController._cursorUp()
let done = 0
while !done
if self.selection > 0
let self.selection -= 1
else
let self.selection = len(self.menuItems)-1
endif
if !self._current().isSeparator()
let done = 1
endif
endwhile
endfunction
" vim: set sw=4 sts=4 et fdm=marker:

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"CLASS: MenuItem
"============================================================
let s:MenuItem = {}
let g:NERDTreeMenuItem = s:MenuItem
"FUNCTION: MenuItem.All() {{{1
"get all top level menu items
function! s:MenuItem.All()
if !exists("s:menuItems")
let s:menuItems = []
endif
return s:menuItems
endfunction
"FUNCTION: MenuItem.AllEnabled() {{{1
"get all top level menu items that are currently enabled
function! s:MenuItem.AllEnabled()
let toReturn = []
for i in s:MenuItem.All()
if i.enabled()
call add(toReturn, i)
endif
endfor
return toReturn
endfunction
"FUNCTION: MenuItem.Create(options) {{{1
"make a new menu item and add it to the global list
function! s:MenuItem.Create(options)
let newMenuItem = copy(self)
let newMenuItem.text = a:options['text']
let newMenuItem.shortcut = a:options['shortcut']
let newMenuItem.children = []
let newMenuItem.isActiveCallback = -1
if has_key(a:options, 'isActiveCallback')
let newMenuItem.isActiveCallback = a:options['isActiveCallback']
endif
let newMenuItem.callback = -1
if has_key(a:options, 'callback')
let newMenuItem.callback = a:options['callback']
endif
if has_key(a:options, 'parent')
call add(a:options['parent'].children, newMenuItem)
else
call add(s:MenuItem.All(), newMenuItem)
endif
return newMenuItem
endfunction
"FUNCTION: MenuItem.CreateSeparator(options) {{{1
"make a new separator menu item and add it to the global list
function! s:MenuItem.CreateSeparator(options)
let standard_options = { 'text': '--------------------',
\ 'shortcut': -1,
\ 'callback': -1 }
let options = extend(a:options, standard_options, "force")
return s:MenuItem.Create(options)
endfunction
"FUNCTION: MenuItem.CreateSubmenu(options) {{{1
"make a new submenu and add it to global list
function! s:MenuItem.CreateSubmenu(options)
let standard_options = { 'callback': -1 }
let options = extend(a:options, standard_options, "force")
return s:MenuItem.Create(options)
endfunction
"FUNCTION: MenuItem.enabled() {{{1
"return 1 if this menu item should be displayed
"
"delegates off to the isActiveCallback, and defaults to 1 if no callback was
"specified
function! s:MenuItem.enabled()
if self.isActiveCallback != -1
return {self.isActiveCallback}()
endif
return 1
endfunction
"FUNCTION: MenuItem.execute() {{{1
"perform the action behind this menu item, if this menuitem has children then
"display a new menu for them, otherwise deletegate off to the menuitem's
"callback
function! s:MenuItem.execute()
if len(self.children)
let mc = g:NERDTreeMenuController.New(self.children)
call mc.showMenu()
else
if self.callback != -1
call {self.callback}()
endif
endif
endfunction
"FUNCTION: MenuItem.isSeparator() {{{1
"return 1 if this menuitem is a separator
function! s:MenuItem.isSeparator()
return self.callback == -1 && self.children == []
endfunction
"FUNCTION: MenuItem.isSubmenu() {{{1
"return 1 if this menuitem is a submenu
function! s:MenuItem.isSubmenu()
return self.callback == -1 && !empty(self.children)
endfunction
" vim: set sw=4 sts=4 et fdm=marker:

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"CLASS: NERDTree
"============================================================
let s:NERDTree = {}
let g:NERDTree = s:NERDTree
"FUNCTION: s:NERDTree.AddPathFilter() {{{1
function! s:NERDTree.AddPathFilter(callback)
call add(s:NERDTree.PathFilters(), a:callback)
endfunction
"FUNCTION: s:NERDTree.changeRoot(node) {{{1
function! s:NERDTree.changeRoot(node)
if a:node.path.isDirectory
let self.root = a:node
else
call a:node.cacheParent()
let self.root = a:node.parent
endif
call self.root.open()
"change dir to the dir of the new root if instructed to
if g:NERDTreeChDirMode ==# 2
exec "cd " . self.root.path.str({'format': 'Edit'})
endif
call self.render()
call self.root.putCursorHere(0, 0)
silent doautocmd User NERDTreeNewRoot
endfunction
"FUNCTION: s:NERDTree.Close() {{{1
"Closes the tab tree window for this tab
function! s:NERDTree.Close()
if !s:NERDTree.IsOpen()
return
endif
if winnr("$") != 1
if winnr() == s:NERDTree.GetWinNum()
call nerdtree#exec("wincmd p")
let bufnr = bufnr("")
call nerdtree#exec("wincmd p")
else
let bufnr = bufnr("")
endif
call nerdtree#exec(s:NERDTree.GetWinNum() . " wincmd w")
close
call nerdtree#exec(bufwinnr(bufnr) . " wincmd w")
else
close
endif
endfunction
"FUNCTION: s:NERDTree.CloseIfQuitOnOpen() {{{1
"Closes the NERD tree window if the close on open option is set
function! s:NERDTree.CloseIfQuitOnOpen()
if g:NERDTreeQuitOnOpen && s:NERDTree.IsOpen()
call s:NERDTree.Close()
endif
endfunction
"FUNCTION: s:NERDTree.CursorToBookmarkTable(){{{1
"Places the cursor at the top of the bookmarks table
function! s:NERDTree.CursorToBookmarkTable()
if !b:NERDTree.ui.getShowBookmarks()
throw "NERDTree.IllegalOperationError: cant find bookmark table, bookmarks arent active"
endif
if g:NERDTreeMinimalUI
return cursor(1, 2)
endif
let rootNodeLine = b:NERDTree.ui.getRootLineNum()
let line = 1
while getline(line) !~# '^>-\+Bookmarks-\+$'
let line = line + 1
if line >= rootNodeLine
throw "NERDTree.BookmarkTableNotFoundError: didnt find the bookmarks table"
endif
endwhile
call cursor(line, 2)
endfunction
"FUNCTION: s:NERDTree.CursorToTreeWin(){{{1
"Places the cursor in the nerd tree window
function! s:NERDTree.CursorToTreeWin()
call g:NERDTree.MustBeOpen()
call nerdtree#exec(g:NERDTree.GetWinNum() . "wincmd w")
endfunction
" Function: s:NERDTree.ExistsForBuffer() {{{1
" Returns 1 if a nerd tree root exists in the current buffer
function! s:NERDTree.ExistsForBuf()
return exists("b:NERDTree")
endfunction
" Function: s:NERDTree.ExistsForTab() {{{1
" Returns 1 if a nerd tree root exists in the current tab
function! s:NERDTree.ExistsForTab()
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()
if s:NERDTree.ExistsForBuf()
return b:NERDTree
else
return {}
endif
endfunction
"FUNCTION: s:NERDTree.ForCurrentTab() {{{1
function! s:NERDTree.ForCurrentTab()
if !s:NERDTree.ExistsForTab()
return
endif
let bufnr = bufnr(t:NERDTreeBufName)
return getbufvar(bufnr, "NERDTree")
endfunction
"FUNCTION: s:NERDTree.getRoot() {{{1
function! s:NERDTree.getRoot()
return self.root
endfunction
"FUNCTION: s:NERDTree.GetWinNum() {{{1
"gets the nerd tree window number for this tab
function! s:NERDTree.GetWinNum()
if exists("t:NERDTreeBufName")
return bufwinnr(t:NERDTreeBufName)
endif
return -1
endfunction
"FUNCTION: s:NERDTree.IsOpen() {{{1
function! s:NERDTree.IsOpen()
return s:NERDTree.GetWinNum() != -1
endfunction
"FUNCTION: s:NERDTree.isTabTree() {{{1
function! s:NERDTree.isTabTree()
return self._type == "tab"
endfunction
"FUNCTION: s:NERDTree.isWinTree() {{{1
function! s:NERDTree.isWinTree()
return self._type == "window"
endfunction
"FUNCTION: s:NERDTree.MustBeOpen() {{{1
function! s:NERDTree.MustBeOpen()
if !s:NERDTree.IsOpen()
throw "NERDTree.TreeNotOpen"
endif
endfunction
"FUNCTION: s:NERDTree.New() {{{1
function! s:NERDTree.New(path, type)
let newObj = copy(self)
let newObj.ui = g:NERDTreeUI.New(newObj)
let newObj.root = g:NERDTreeDirNode.New(a:path, newObj)
let newObj._type = a:type
return newObj
endfunction
"FUNCTION: s:NERDTree.PathFilters() {{{1
function! s:NERDTree.PathFilters()
if !exists('s:NERDTree._PathFilters')
let s:NERDTree._PathFilters = []
endif
return s:NERDTree._PathFilters
endfunction
"FUNCTION: s:NERDTree.previousBuf() {{{1
function! s:NERDTree.previousBuf()
return self._previousBuf
endfunction
function! s:NERDTree.setPreviousBuf(bnum)
let self._previousBuf = a:bnum
endfunction
"FUNCTION: s:NERDTree.render() {{{1
"A convenience function - since this is called often
function! s:NERDTree.render()
call self.ui.render()
endfunction

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"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)

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"CLASS: Opener
"============================================================
let s:Opener = {}
let g:NERDTreeOpener = s:Opener
"FUNCTION: s:Opener._bufInWindows(bnum){{{1
"[[STOLEN FROM VTREEEXPLORER.VIM]]
"Determine the number of windows open to this buffer number.
"Care of Yegappan Lakshman. Thanks!
"
"Args:
"bnum: the subject buffers buffer number
function! s:Opener._bufInWindows(bnum)
let cnt = 0
let winnum = 1
while 1
let bufnum = winbufnr(winnum)
if bufnum < 0
break
endif
if bufnum ==# a:bnum
let cnt = cnt + 1
endif
let winnum = winnum + 1
endwhile
return cnt
endfunction
"FUNCTION: Opener._checkToCloseTree(newtab) {{{1
"Check the class options and global options (i.e. NERDTreeQuitOnOpen) to see
"if the tree should be closed now.
"
"Args:
"a:newtab - boolean. If set, only close the tree now if we are opening the
"target in a new tab. This is needed because we have to close tree before we
"leave the tab
function! s:Opener._checkToCloseTree(newtab)
if self._keepopen
return
endif
if (a:newtab && self._where == 't') || !a:newtab
call g:NERDTree.CloseIfQuitOnOpen()
endif
endfunction
"FUNCTION: s:Opener._firstUsableWindow(){{{1
"find the window number of the first normal window
function! s:Opener._firstUsableWindow()
let i = 1
while i <= winnr("$")
let bnum = winbufnr(i)
if bnum != -1 && getbufvar(bnum, '&buftype') ==# ''
\ && !getwinvar(i, '&previewwindow')
\ && (!getbufvar(bnum, '&modified') || &hidden)
return i
endif
let i += 1
endwhile
return -1
endfunction
"FUNCTION: Opener._gotoTargetWin() {{{1
function! s:Opener._gotoTargetWin()
if b:NERDTree.isWinTree()
if self._where == 'v'
vsplit
elseif self._where == 'h'
split
elseif self._where == 't'
tabnew
endif
else
call self._checkToCloseTree(1)
if self._where == 'v'
call self._newVSplit()
elseif self._where == 'h'
call self._newSplit()
elseif self._where == 't'
tabnew
elseif self._where == 'p'
call self._previousWindow()
endif
call self._checkToCloseTree(0)
endif
endfunction
"FUNCTION: s:Opener._isWindowUsable(winnumber) {{{1
"Returns 0 if opening a file from the tree in the given window requires it to
"be split, 1 otherwise
"
"Args:
"winnumber: the number of the window in question
function! s:Opener._isWindowUsable(winnumber)
"gotta split if theres only one window (i.e. the NERD tree)
if winnr("$") ==# 1
return 0
endif
let oldwinnr = winnr()
call nerdtree#exec(a:winnumber . "wincmd p")
let specialWindow = getbufvar("%", '&buftype') != '' || getwinvar('%', '&previewwindow')
let modified = &modified
call nerdtree#exec(oldwinnr . "wincmd p")
"if its a special window e.g. quickfix or another explorer plugin then we
"have to split
if specialWindow
return 0
endif
if &hidden
return 1
endif
return !modified || self._bufInWindows(winbufnr(a:winnumber)) >= 2
endfunction
"FUNCTION: Opener.New(path, opts) {{{1
"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
function! s:Opener.New(path, opts)
let newObj = copy(self)
let newObj._path = a:path
let newObj._stay = nerdtree#has_opt(a:opts, 'stay')
if has_key(a:opts, 'reuse')
let newObj._reuse = a:opts['reuse']
else
let newObj._reuse = ''
endif
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
endfunction
"FUNCTION: Opener._newSplit() {{{1
function! s:Opener._newSplit()
" Save the user's settings for splitbelow and splitright
let savesplitbelow=&splitbelow
let savesplitright=&splitright
" 'there' will be set to a command to move from the split window
" back to the explorer window
"
" 'back' will be set to a command to move from the explorer window
" back to the newly split window
"
" 'right' and 'below' will be set to the settings needed for
" splitbelow and splitright IF the explorer is the only window.
"
let there= g:NERDTreeWinPos ==# "left" ? "wincmd h" : "wincmd l"
let back = g:NERDTreeWinPos ==# "left" ? "wincmd l" : "wincmd h"
let right= g:NERDTreeWinPos ==# "left"
let below=0
" Attempt to go to adjacent window
call nerdtree#exec(back)
let onlyOneWin = (winnr("$") ==# 1)
" If no adjacent window, set splitright and splitbelow appropriately
if onlyOneWin
let &splitright=right
let &splitbelow=below
else
" found adjacent window - invert split direction
let &splitright=!right
let &splitbelow=!below
endif
let splitMode = onlyOneWin ? "vertical" : ""
" Open the new window
try
exec(splitMode." sp ")
catch /^Vim\%((\a\+)\)\=:E37/
call g:NERDTree.CursorToTreeWin()
throw "NERDTree.FileAlreadyOpenAndModifiedError: ". self._path.str() ." is already open and modified."
catch /^Vim\%((\a\+)\)\=:/
"do nothing
endtry
"resize the tree window if no other window was open before
if onlyOneWin
let size = exists("b:NERDTreeOldWindowSize") ? b:NERDTreeOldWindowSize : g:NERDTreeWinSize
call nerdtree#exec(there)
exec("silent ". splitMode ." resize ". size)
call nerdtree#exec('wincmd p')
endif
" Restore splitmode settings
let &splitbelow=savesplitbelow
let &splitright=savesplitright
endfunction
"FUNCTION: Opener._newVSplit() {{{1
function! s:Opener._newVSplit()
let winwidth = winwidth(".")
if winnr("$")==#1
let winwidth = g:NERDTreeWinSize
endif
call nerdtree#exec("wincmd p")
vnew
"resize the nerd tree back to the original size
call g:NERDTree.CursorToTreeWin()
exec("silent vertical resize ". winwidth)
call nerdtree#exec('wincmd p')
endfunction
"FUNCTION: Opener.open(target) {{{1
function! s:Opener.open(target)
if self._path.isDirectory
call self._openDirectory(a:target)
else
call self._openFile()
endif
endfunction
"FUNCTION: Opener._openFile() {{{1
function! s:Opener._openFile()
if self._reuseWindow()
return
endif
call self._gotoTargetWin()
call self._path.edit()
if self._stay
call self._restoreCursorPos()
endif
endfunction
"FUNCTION: Opener._openDirectory(node) {{{1
function! s:Opener._openDirectory(node)
if self._nerdtree.isWinTree()
call self._gotoTargetWin()
call g:NERDTreeCreator.CreateWindowTree(a:node.path.str())
else
call self._gotoTargetWin()
if empty(self._where)
call b:NERDTree.changeRoot(a:node)
elseif self._where == 't'
call g:NERDTreeCreator.CreateTabTree(a:node.path.str())
else
call g:NERDTreeCreator.CreateWindowTree(a:node.path.str())
endif
endif
if self._stay
call self._restoreCursorPos()
endif
endfunction
"FUNCTION: Opener._previousWindow() {{{1
function! s:Opener._previousWindow()
if !self._isWindowUsable(winnr("#")) && self._firstUsableWindow() ==# -1
call self._newSplit()
else
try
if !self._isWindowUsable(winnr("#"))
call nerdtree#exec(self._firstUsableWindow() . "wincmd w")
else
call nerdtree#exec('wincmd p')
endif
catch /^Vim\%((\a\+)\)\=:E37/
call g:NERDTree.CursorToTreeWin()
throw "NERDTree.FileAlreadyOpenAndModifiedError: ". self._path.str() ." is already open and modified."
catch /^Vim\%((\a\+)\)\=:/
echo v:exception
endtry
endif
endfunction
"FUNCTION: Opener._restoreCursorPos(){{{1
function! s:Opener._restoreCursorPos()
call nerdtree#exec('normal ' . self._tabnr . 'gt')
call nerdtree#exec(bufwinnr(self._bufnr) . 'wincmd w')
endfunction
"FUNCTION: Opener._reuseWindow(){{{1
"put the cursor in the first window we find for this file
"
"return 1 if we were successful
function! s:Opener._reuseWindow()
if empty(self._reuse)
return 0
endif
"check the current tab for the window
let winnr = bufwinnr('^' . self._path.str() . '$')
if winnr != -1
call nerdtree#exec(winnr . "wincmd w")
call self._checkToCloseTree(0)
return 1
endif
if self._reuse == 'currenttab'
return 0
endif
"check other tabs
let tabnr = self._path.tabnr()
if tabnr
call self._checkToCloseTree(1)
call nerdtree#exec('normal! ' . tabnr . 'gt')
let winnr = bufwinnr('^' . self._path.str() . '$')
call nerdtree#exec(winnr . "wincmd w")
return 1
endif
return 0
endfunction
"FUNCTION: Opener._saveCursorPos(){{{1
function! s:Opener._saveCursorPos()
let self._bufnr = bufnr("")
let self._tabnr = tabpagenr()
endfunction
" vim: set sw=4 sts=4 et fdm=marker:

View file

@ -0,0 +1,798 @@
"we need to use this number many times for sorting... so we calculate it only
"once here
let s:NERDTreeSortStarIndex = index(g:NERDTreeSortOrder, '*')
" used in formating sortKey, e.g. '%04d'
if exists("log10")
let s:sortKeyFormat = "%0" . float2nr(ceil(log10(len(g:NERDTreeSortOrder)))) . "d"
else
let s:sortKeyFormat = "%04d"
endif
"CLASS: Path
"============================================================
let s:Path = {}
let g:NERDTreePath = s:Path
"FUNCTION: Path.AbsolutePathFor(str) {{{1
function! s:Path.AbsolutePathFor(str)
let prependCWD = 0
if nerdtree#runningWindows()
let prependCWD = a:str !~# '^.:\(\\\|\/\)' && a:str !~# '^\(\\\\\|\/\/\)'
else
let prependCWD = a:str !~# '^/'
endif
let toReturn = a:str
if prependCWD
let toReturn = getcwd() . s:Path.Slash() . a:str
endif
return toReturn
endfunction
"FUNCTION: Path.bookmarkNames() {{{1
function! s:Path.bookmarkNames()
if !exists("self._bookmarkNames")
call self.cacheDisplayString()
endif
return self._bookmarkNames
endfunction
"FUNCTION: Path.cacheDisplayString() {{{1
function! s:Path.cacheDisplayString() abort
let self.cachedDisplayString = self.getLastPathComponent(1)
if self.isExecutable
let self.cachedDisplayString = self.cachedDisplayString . '*'
endif
let self._bookmarkNames = []
for i in g:NERDTreeBookmark.Bookmarks()
if i.path.equals(self)
call add(self._bookmarkNames, i.name)
endif
endfor
if !empty(self._bookmarkNames) && g:NERDTreeMarkBookmarks == 1
let self.cachedDisplayString .= ' {' . join(self._bookmarkNames) . '}'
endif
if self.isSymLink
let self.cachedDisplayString .= ' -> ' . self.symLinkDest
endif
if self.isReadOnly
let self.cachedDisplayString .= ' ['.g:NERDTreeGlyphReadOnly.']'
endif
endfunction
"FUNCTION: Path.changeToDir() {{{1
function! s:Path.changeToDir()
let dir = self.str({'format': 'Cd'})
if self.isDirectory ==# 0
let dir = self.getParent().str({'format': 'Cd'})
endif
try
execute "cd " . dir
call nerdtree#echo("CWD is now: " . getcwd())
catch
throw "NERDTree.PathChangeError: cannot change CWD to " . dir
endtry
endfunction
"FUNCTION: Path.compareTo() {{{1
"
"Compares this Path to the given path and returns 0 if they are equal, -1 if
"this Path is "less than" the given path, or 1 if it is "greater".
"
"Args:
"path: the path object to compare this to
"
"Return:
"1, -1 or 0
function! s:Path.compareTo(path)
let thisPath = self.getLastPathComponent(1)
let thatPath = a:path.getLastPathComponent(1)
"if the paths are the same then clearly we return 0
if thisPath ==# thatPath
return 0
endif
let thisSS = self.getSortOrderIndex()
let thatSS = a:path.getSortOrderIndex()
"compare the sort sequences, if they are different then the return
"value is easy
if thisSS < thatSS
return -1
elseif thisSS > thatSS
return 1
else
if !g:NERDTreeSortHiddenFirst
let thisPath = substitute(thisPath, '^[._]', '', '')
let thatPath = substitute(thatPath, '^[._]', '', '')
endif
"if the sort sequences are the same then compare the paths
"alphabetically
let pathCompare = g:NERDTreeCaseSensitiveSort ? thisPath <# thatPath : thisPath <? thatPath
if pathCompare
return -1
else
return 1
endif
endif
endfunction
"FUNCTION: Path.Create(fullpath) {{{1
"
"Factory method.
"
"Creates a path object with the given path. The path is also created on the
"filesystem. If the path already exists, a NERDTree.Path.Exists exception is
"thrown. If any other errors occur, a NERDTree.Path exception is thrown.
"
"Args:
"fullpath: the full filesystem path to the file/dir to create
function! s:Path.Create(fullpath)
"bail if the a:fullpath already exists
if isdirectory(a:fullpath) || filereadable(a:fullpath)
throw "NERDTree.CreatePathError: Directory Exists: '" . a:fullpath . "'"
endif
try
"if it ends with a slash, assume its a dir create it
if a:fullpath =~# '\(\\\|\/\)$'
"whack the trailing slash off the end if it exists
let fullpath = substitute(a:fullpath, '\(\\\|\/\)$', '', '')
call mkdir(fullpath, 'p')
"assume its a file and create
else
call s:Path.createParentDirectories(a:fullpath)
call writefile([], a:fullpath)
endif
catch
throw "NERDTree.CreatePathError: Could not create path: '" . a:fullpath . "'"
endtry
return s:Path.New(a:fullpath)
endfunction
"FUNCTION: Path.copy(dest) {{{1
"
"Copies the file/dir represented by this Path to the given location
"
"Args:
"dest: the location to copy this dir/file to
function! s:Path.copy(dest)
if !s:Path.CopyingSupported()
throw "NERDTree.CopyingNotSupportedError: Copying is not supported on this OS"
endif
call s:Path.createParentDirectories(a:dest)
if exists('g:NERDTreeCopyCmd')
let cmd_prefix = g:NERDTreeCopyCmd
else
let cmd_prefix = (self.isDirectory ? g:NERDTreeCopyDirCmd : g:NERDTreeCopyFileCmd)
endif
let cmd = cmd_prefix . " " . escape(self.str(), self._escChars()) . " " . escape(a:dest, self._escChars())
let success = system(cmd)
if v:shell_error != 0
throw "NERDTree.CopyError: Could not copy ''". self.str() ."'' to: '" . a:dest . "'"
endif
endfunction
"FUNCTION: Path.CopyingSupported() {{{1
"
"returns 1 if copying is supported for this OS
function! s:Path.CopyingSupported()
return exists('g:NERDTreeCopyCmd') || (exists('g:NERDTreeCopyDirCmd') && exists('g:NERDTreeCopyFileCmd'))
endfunction
"FUNCTION: Path.copyingWillOverwrite(dest) {{{1
"
"returns 1 if copy this path to the given location will cause files to
"overwritten
"
"Args:
"dest: the location this path will be copied to
function! s:Path.copyingWillOverwrite(dest)
if filereadable(a:dest)
return 1
endif
if isdirectory(a:dest)
let path = s:Path.JoinPathStrings(a:dest, self.getLastPathComponent(0))
if filereadable(path)
return 1
endif
endif
endfunction
"FUNCTION: Path.createParentDirectories(path) {{{1
"
"create parent directories for this path if needed
"without throwing any errors if those directories already exist
"
"Args:
"path: full path of the node whose parent directories may need to be created
function! s:Path.createParentDirectories(path)
let dir_path = fnamemodify(a:path, ':h')
if !isdirectory(dir_path)
call mkdir(dir_path, 'p')
endif
endfunction
"FUNCTION: Path.delete() {{{1
"
"Deletes the file or directory represented by this path.
"
"Throws NERDTree.Path.Deletion exceptions
function! s:Path.delete()
if self.isDirectory
let cmd = g:NERDTreeRemoveDirCmd . self.str({'escape': 1})
let success = system(cmd)
if v:shell_error != 0
throw "NERDTree.PathDeletionError: Could not delete directory: '" . self.str() . "'"
endif
else
let success = delete(self.str())
if success != 0
throw "NERDTree.PathDeletionError: Could not delete file: '" . self.str() . "'"
endif
endif
"delete all bookmarks for this path
for i in self.bookmarkNames()
let bookmark = g:NERDTreeBookmark.BookmarkFor(i)
call bookmark.delete()
endfor
endfunction
"FUNCTION: Path.displayString() {{{1
"
"Returns a string that specifies how the path should be represented as a
"string
function! s:Path.displayString()
if self.cachedDisplayString ==# ""
call self.cacheDisplayString()
endif
return self.cachedDisplayString
endfunction
"FUNCTION: Path.edit() {{{1
function! s:Path.edit()
exec "edit " . self.str({'format': 'Edit'})
endfunction
"FUNCTION: Path.extractDriveLetter(fullpath) {{{1
"
"If running windows, cache the drive letter for this path
function! s:Path.extractDriveLetter(fullpath)
if nerdtree#runningWindows()
if a:fullpath =~ '^\(\\\\\|\/\/\)'
"For network shares, the 'drive' consists of the first two parts of the path, i.e. \\boxname\share
let self.drive = substitute(a:fullpath, '^\(\(\\\\\|\/\/\)[^\\\/]*\(\\\|\/\)[^\\\/]*\).*', '\1', '')
let self.drive = substitute(self.drive, '/', '\', "g")
else
let self.drive = substitute(a:fullpath, '\(^[a-zA-Z]:\).*', '\1', '')
endif
else
let self.drive = ''
endif
endfunction
"FUNCTION: Path.exists() {{{1
"return 1 if this path points to a location that is readable or is a directory
function! s:Path.exists()
let p = self.str()
return filereadable(p) || isdirectory(p)
endfunction
"FUNCTION: Path._escChars() {{{1
function! s:Path._escChars()
if nerdtree#runningWindows()
return " `\|\"#%&,?()\*^<>$"
endif
return " \\`\|\"#%&,?()\*^<>[]$"
endfunction
"FUNCTION: Path.getDir() {{{1
"
"Returns this path if it is a directory, else this paths parent.
"
"Return:
"a Path object
function! s:Path.getDir()
if self.isDirectory
return self
else
return self.getParent()
endif
endfunction
"FUNCTION: Path.getParent() {{{1
"
"Returns a new path object for this paths parent
"
"Return:
"a new Path object
function! s:Path.getParent()
if nerdtree#runningWindows()
let path = self.drive . '\' . join(self.pathSegments[0:-2], '\')
else
let path = '/'. join(self.pathSegments[0:-2], '/')
endif
return s:Path.New(path)
endfunction
"FUNCTION: Path.getLastPathComponent(dirSlash) {{{1
"
"Gets the last part of this path.
"
"Args:
"dirSlash: if 1 then a trailing slash will be added to the returned value for
"directory nodes.
function! s:Path.getLastPathComponent(dirSlash)
if empty(self.pathSegments)
return ''
endif
let toReturn = self.pathSegments[-1]
if a:dirSlash && self.isDirectory
let toReturn = toReturn . '/'
endif
return toReturn
endfunction
"FUNCTION: Path.getSortOrderIndex() {{{1
"returns the index of the pattern in g:NERDTreeSortOrder that this path matches
function! s:Path.getSortOrderIndex()
let i = 0
while i < len(g:NERDTreeSortOrder)
if self.getLastPathComponent(1) =~# g:NERDTreeSortOrder[i]
return i
endif
let i = i + 1
endwhile
return s:NERDTreeSortStarIndex
endfunction
"FUNCTION: Path.getSortKey() {{{1
"returns a string used in compare function for sorting
function! s:Path.getSortKey()
if !exists("self._sortKey")
let path = self.getLastPathComponent(1)
if !g:NERDTreeSortHiddenFirst
let path = substitute(path, '^[._]', '', '')
endif
if !g:NERDTreeCaseSensitiveSort
let path = tolower(path)
endif
let self._sortKey = printf(s:sortKeyFormat, self.getSortOrderIndex()) . path
endif
return self._sortKey
endfunction
"FUNCTION: Path.isUnixHiddenFile() {{{1
"check for unix hidden files
function! s:Path.isUnixHiddenFile()
return self.getLastPathComponent(0) =~# '^\.'
endfunction
"FUNCTION: Path.isUnixHiddenPath() {{{1
"check for unix path with hidden components
function! s:Path.isUnixHiddenPath()
if self.getLastPathComponent(0) =~# '^\.'
return 1
else
for segment in self.pathSegments
if segment =~# '^\.'
return 1
endif
endfor
return 0
endif
endfunction
"FUNCTION: Path.ignore(nerdtree) {{{1
"returns true if this path should be ignored
function! s:Path.ignore(nerdtree)
"filter out the user specified paths to ignore
if a:nerdtree.ui.isIgnoreFilterEnabled()
for i in g:NERDTreeIgnore
if self._ignorePatternMatches(i)
return 1
endif
endfor
for callback in g:NERDTree.PathFilters()
if {callback}({'path': self, 'nerdtree': a:nerdtree})
return 1
endif
endfor
endif
"dont show hidden files unless instructed to
if !a:nerdtree.ui.getShowHidden() && self.isUnixHiddenFile()
return 1
endif
if a:nerdtree.ui.getShowFiles() ==# 0 && self.isDirectory ==# 0
return 1
endif
return 0
endfunction
"FUNCTION: Path._ignorePatternMatches(pattern) {{{1
"returns true if this path matches the given ignore pattern
function! s:Path._ignorePatternMatches(pattern)
let pat = a:pattern
if strpart(pat,len(pat)-7) == '[[dir]]'
if !self.isDirectory
return 0
endif
let pat = strpart(pat,0, len(pat)-7)
elseif strpart(pat,len(pat)-8) == '[[file]]'
if self.isDirectory
return 0
endif
let pat = strpart(pat,0, len(pat)-8)
endif
return self.getLastPathComponent(0) =~# pat
endfunction
"FUNCTION: Path.isAncestor(path) {{{1
"return 1 if this path is somewhere above the given path in the filesystem.
"
"a:path should be a dir
function! s:Path.isAncestor(path)
if !self.isDirectory
return 0
endif
let this = self.str()
let that = a:path.str()
return stridx(that, this) == 0
endfunction
"FUNCTION: Path.isUnder(path) {{{1
"return 1 if this path is somewhere under the given path in the filesystem.
function! s:Path.isUnder(path)
if a:path.isDirectory == 0
return 0
endif
let this = self.str()
let that = a:path.str()
return stridx(this, that . s:Path.Slash()) == 0
endfunction
"FUNCTION: Path.JoinPathStrings(...) {{{1
function! s:Path.JoinPathStrings(...)
let components = []
for i in a:000
let components = extend(components, split(i, '/'))
endfor
return '/' . join(components, '/')
endfunction
"FUNCTION: Path.equals() {{{1
"
"Determines whether 2 path objects are "equal".
"They are equal if the paths they represent are the same
"
"Args:
"path: the other path obj to compare this with
function! s:Path.equals(path)
return self.str() ==# a:path.str()
endfunction
"FUNCTION: Path.New() {{{1
"The Constructor for the Path object
function! s:Path.New(path)
let newPath = copy(self)
call newPath.readInfoFromDisk(s:Path.AbsolutePathFor(a:path))
let newPath.cachedDisplayString = ""
let newPath.flagSet = g:NERDTreeFlagSet.New()
return newPath
endfunction
"FUNCTION: Path.Slash() {{{1
"return the slash to use for the current OS
function! s:Path.Slash()
return nerdtree#runningWindows() ? '\' : '/'
endfunction
"FUNCTION: Path.Resolve() {{{1
"Invoke the vim resolve() function and return the result
"This is necessary because in some versions of vim resolve() removes trailing
"slashes while in other versions it doesn't. This always removes the trailing
"slash
function! s:Path.Resolve(path)
let tmp = resolve(a:path)
return tmp =~# '.\+/$' ? substitute(tmp, '/$', '', '') : tmp
endfunction
"FUNCTION: Path.readInfoFromDisk(fullpath) {{{1
"
"
"Throws NERDTree.Path.InvalidArguments exception.
function! s:Path.readInfoFromDisk(fullpath)
call self.extractDriveLetter(a:fullpath)
let fullpath = s:Path.WinToUnixPath(a:fullpath)
if getftype(fullpath) ==# "fifo"
throw "NERDTree.InvalidFiletypeError: Cant handle FIFO files: " . a:fullpath
endif
let self.pathSegments = filter(split(fullpath, '/'), '!empty(v:val)')
let self.isReadOnly = 0
if isdirectory(a:fullpath)
let self.isDirectory = 1
elseif filereadable(a:fullpath)
let self.isDirectory = 0
let self.isReadOnly = filewritable(a:fullpath) ==# 0
else
throw "NERDTree.InvalidArgumentsError: Invalid path = " . a:fullpath
endif
let self.isExecutable = 0
if !self.isDirectory
let self.isExecutable = getfperm(a:fullpath) =~# 'x'
endif
"grab the last part of the path (minus the trailing slash)
let lastPathComponent = self.getLastPathComponent(0)
"get the path to the new node with the parent dir fully resolved
let hardPath = s:Path.Resolve(self.strTrunk()) . '/' . lastPathComponent
"if the last part of the path is a symlink then flag it as such
let self.isSymLink = (s:Path.Resolve(hardPath) != hardPath)
if self.isSymLink
let self.symLinkDest = s:Path.Resolve(fullpath)
"if the link is a dir then slap a / on the end of its dest
if isdirectory(self.symLinkDest)
"we always wanna treat MS windows shortcuts as files for
"simplicity
if hardPath !~# '\.lnk$'
let self.symLinkDest = self.symLinkDest . '/'
endif
endif
endif
endfunction
"FUNCTION: Path.refresh(nerdtree) {{{1
function! s:Path.refresh(nerdtree)
call self.readInfoFromDisk(self.str())
call g:NERDTreePathNotifier.NotifyListeners('refresh', self, a:nerdtree, {})
call self.cacheDisplayString()
endfunction
"FUNCTION: Path.refreshFlags(nerdtree) {{{1
function! s:Path.refreshFlags(nerdtree)
call g:NERDTreePathNotifier.NotifyListeners('refreshFlags', self, a:nerdtree, {})
call self.cacheDisplayString()
endfunction
"FUNCTION: Path.rename() {{{1
"
"Renames this node on the filesystem
function! s:Path.rename(newPath)
if a:newPath ==# ''
throw "NERDTree.InvalidArgumentsError: Invalid newPath for renaming = ". a:newPath
endif
let success = rename(self.str(), a:newPath)
if success != 0
throw "NERDTree.PathRenameError: Could not rename: '" . self.str() . "'" . 'to:' . a:newPath
endif
call self.readInfoFromDisk(a:newPath)
for i in self.bookmarkNames()
let b = g:NERDTreeBookmark.BookmarkFor(i)
call b.setPath(copy(self))
endfor
call g:NERDTreeBookmark.Write()
endfunction
"FUNCTION: Path.str() {{{1
"
"Returns a string representation of this Path
"
"Takes an optional dictionary param to specify how the output should be
"formatted.
"
"The dict may have the following keys:
" 'format'
" 'escape'
" 'truncateTo'
"
"The 'format' key may have a value of:
" 'Cd' - a string to be used with the :cd command
" 'Edit' - a string to be used with :e :sp :new :tabedit etc
" 'UI' - a string used in the NERD tree UI
"
"The 'escape' key, if specified will cause the output to be escaped with
"shellescape()
"
"The 'truncateTo' key causes the resulting string to be truncated to the value
"'truncateTo' maps to. A '<' char will be prepended.
function! s:Path.str(...)
let options = a:0 ? a:1 : {}
let toReturn = ""
if has_key(options, 'format')
let format = options['format']
if has_key(self, '_strFor' . format)
exec 'let toReturn = self._strFor' . format . '()'
else
throw 'NERDTree.UnknownFormatError: unknown format "'. format .'"'
endif
else
let toReturn = self._str()
endif
if nerdtree#has_opt(options, 'escape')
let toReturn = shellescape(toReturn)
endif
if has_key(options, 'truncateTo')
let limit = options['truncateTo']
if len(toReturn) > limit-1
let toReturn = toReturn[(len(toReturn)-limit+1):]
if len(split(toReturn, '/')) > 1
let toReturn = '</' . join(split(toReturn, '/')[1:], '/') . '/'
else
let toReturn = '<' . toReturn
endif
endif
endif
return toReturn
endfunction
"FUNCTION: Path._strForUI() {{{1
function! s:Path._strForUI()
let toReturn = '/' . join(self.pathSegments, '/')
if self.isDirectory && toReturn != '/'
let toReturn = toReturn . '/'
endif
return toReturn
endfunction
"FUNCTION: Path._strForCd() {{{1
"
" returns a string that can be used with :cd
function! s:Path._strForCd()
return escape(self.str(), self._escChars())
endfunction
"FUNCTION: Path._strForEdit() {{{1
"
"Return: the string for this path that is suitable to be used with the :edit
"command
function! s:Path._strForEdit()
let p = escape(self.str(), self._escChars())
"make it relative
let p = fnamemodify(p, ':.')
"handle the edge case where the file begins with a + (vim interprets
"the +foo in `:e +foo` as an option to :edit)
if p[0] == "+"
let p = '\' . p
endif
if p ==# ''
let p = '.'
endif
return p
endfunction
"FUNCTION: Path._strForGlob() {{{1
function! s:Path._strForGlob()
let lead = s:Path.Slash()
"if we are running windows then slap a drive letter on the front
if nerdtree#runningWindows()
let lead = self.drive . '\'
endif
let toReturn = lead . join(self.pathSegments, s:Path.Slash())
if !nerdtree#runningWindows()
let toReturn = escape(toReturn, self._escChars())
endif
return toReturn
endfunction
"FUNCTION: Path._str() {{{1
"
"Gets the string path for this path object that is appropriate for the OS.
"EG, in windows c:\foo\bar
" in *nix /foo/bar
function! s:Path._str()
let lead = s:Path.Slash()
"if we are running windows then slap a drive letter on the front
if nerdtree#runningWindows()
let lead = self.drive . '\'
endif
return lead . join(self.pathSegments, s:Path.Slash())
endfunction
"FUNCTION: Path.strTrunk() {{{1
"Gets the path without the last segment on the end.
function! s:Path.strTrunk()
return self.drive . '/' . join(self.pathSegments[0:-2], '/')
endfunction
" FUNCTION: Path.tabnr() {{{1
" return the number of the first tab that is displaying this file
"
" return 0 if no tab was found
function! s:Path.tabnr()
let str = self.str()
for t in range(tabpagenr('$'))
for b in tabpagebuflist(t+1)
if str == expand('#' . b . ':p')
return t+1
endif
endfor
endfor
return 0
endfunction
"FUNCTION: Path.WinToUnixPath(pathstr){{{1
"Takes in a windows path and returns the unix equiv
"
"A class level method
"
"Args:
"pathstr: the windows path to convert
function! s:Path.WinToUnixPath(pathstr)
if !nerdtree#runningWindows()
return a:pathstr
endif
let toReturn = a:pathstr
"remove the x:\ of the front
let toReturn = substitute(toReturn, '^.*:\(\\\|/\)\?', '/', "")
"remove the \\ network share from the front
let toReturn = substitute(toReturn, '^\(\\\\\|\/\/\)[^\\\/]*\(\\\|\/\)[^\\\/]*\(\\\|\/\)\?', '/', "")
"convert all \ chars to /
let toReturn = substitute(toReturn, '\', '/', "g")
return toReturn
endfunction
" vim: set sw=4 sts=4 et fdm=marker:

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@ -0,0 +1,600 @@
"CLASS: TreeDirNode
"A subclass of NERDTreeFileNode.
"
"The 'composite' part of the file/dir composite.
"============================================================
let s:TreeDirNode = copy(g:NERDTreeFileNode)
let g:NERDTreeDirNode = s:TreeDirNode
"FUNCTION: TreeDirNode.AbsoluteTreeRoot(){{{1
"class method that returns the highest cached ancestor of the current root
function! s:TreeDirNode.AbsoluteTreeRoot()
let currentNode = b:NERDTree.root
while currentNode.parent != {}
let currentNode = currentNode.parent
endwhile
return currentNode
endfunction
"FUNCTION: TreeDirNode.activate([options]) {{{1
unlet s:TreeDirNode.activate
function! s:TreeDirNode.activate(...)
let opts = a:0 ? a:1 : {}
call self.toggleOpen(opts)
call self.getNerdtree().render()
call self.putCursorHere(0, 0)
endfunction
"FUNCTION: TreeDirNode.addChild(treenode, inOrder) {{{1
"Adds the given treenode to the list of children for this node
"
"Args:
"-treenode: the node to add
"-inOrder: 1 if the new node should be inserted in sorted order
function! s:TreeDirNode.addChild(treenode, inOrder)
call add(self.children, a:treenode)
let a:treenode.parent = self
if a:inOrder
call self.sortChildren()
endif
endfunction
"FUNCTION: TreeDirNode.close() {{{1
"Closes this directory
function! s:TreeDirNode.close()
let self.isOpen = 0
endfunction
"FUNCTION: TreeDirNode.closeChildren() {{{1
"Closes all the child dir nodes of this node
function! s:TreeDirNode.closeChildren()
for i in self.children
if i.path.isDirectory
call i.close()
call i.closeChildren()
endif
endfor
endfunction
"FUNCTION: TreeDirNode.createChild(path, inOrder) {{{1
"Instantiates a new child node for this node with the given path. The new
"nodes parent is set to this node.
"
"Args:
"path: a Path object that this node will represent/contain
"inOrder: 1 if the new node should be inserted in sorted order
"
"Returns:
"the newly created node
function! s:TreeDirNode.createChild(path, inOrder)
let newTreeNode = g:NERDTreeFileNode.New(a:path, self.getNerdtree())
call self.addChild(newTreeNode, a:inOrder)
return newTreeNode
endfunction
"FUNCTION: TreeDirNode.displayString() {{{1
unlet s:TreeDirNode.displayString
function! s:TreeDirNode.displayString()
let cascade = self.getCascade()
let rv = ""
for node in cascade
let rv = rv . node.path.displayString()
endfor
let sym = cascade[-1].isOpen ? g:NERDTreeDirArrowCollapsible : g:NERDTreeDirArrowExpandable
let flags = cascade[-1].path.flagSet.renderToString()
return sym . ' ' . flags . rv
endfunction
"FUNCTION: TreeDirNode.findNode(path) {{{1
"Will find one of the children (recursively) that has the given path
"
"Args:
"path: a path object
unlet s:TreeDirNode.findNode
function! s:TreeDirNode.findNode(path)
if a:path.equals(self.path)
return self
endif
if stridx(a:path.str(), self.path.str(), 0) ==# -1
return {}
endif
if self.path.isDirectory
for i in self.children
let retVal = i.findNode(a:path)
if retVal != {}
return retVal
endif
endfor
endif
return {}
endfunction
"FUNCTION: TreeDirNode.getCascade() {{{1
"Return an array of dir nodes (starting from self) that can be cascade opened.
function! s:TreeDirNode.getCascade()
if !self.isCascadable()
return [self]
endif
let vc = self.getVisibleChildren()
let visChild = vc[0]
return [self] + visChild.getCascade()
endfunction
"FUNCTION: TreeDirNode.getChildCount() {{{1
"Returns the number of children this node has
function! s:TreeDirNode.getChildCount()
return len(self.children)
endfunction
"FUNCTION: TreeDirNode.getChild(path) {{{1
"Returns child node of this node that has the given path or {} if no such node
"exists.
"
"This function doesnt not recurse into child dir nodes
"
"Args:
"path: a path object
function! s:TreeDirNode.getChild(path)
if stridx(a:path.str(), self.path.str(), 0) ==# -1
return {}
endif
let index = self.getChildIndex(a:path)
if index ==# -1
return {}
else
return self.children[index]
endif
endfunction
"FUNCTION: TreeDirNode.getChildByIndex(indx, visible) {{{1
"returns the child at the given index
"Args:
"indx: the index to get the child from
"visible: 1 if only the visible children array should be used, 0 if all the
"children should be searched.
function! s:TreeDirNode.getChildByIndex(indx, visible)
let array_to_search = a:visible? self.getVisibleChildren() : self.children
if a:indx > len(array_to_search)
throw "NERDTree.InvalidArgumentsError: Index is out of bounds."
endif
return array_to_search[a:indx]
endfunction
"FUNCTION: TreeDirNode.getChildIndex(path) {{{1
"Returns the index of the child node of this node that has the given path or
"-1 if no such node exists.
"
"This function doesnt not recurse into child dir nodes
"
"Args:
"path: a path object
function! s:TreeDirNode.getChildIndex(path)
if stridx(a:path.str(), self.path.str(), 0) ==# -1
return -1
endif
"do a binary search for the child
let a = 0
let z = self.getChildCount()
while a < z
let mid = (a+z)/2
let diff = a:path.compareTo(self.children[mid].path)
if diff ==# -1
let z = mid
elseif diff ==# 1
let a = mid+1
else
return mid
endif
endwhile
return -1
endfunction
"FUNCTION: TreeDirNode.getDirChildren() {{{1
"Get all children that are directories
function! s:TreeDirNode.getDirChildren()
return filter(self.children, 'v:val.path.isDirectory == 1')
endfunction
"FUNCTION: TreeDirNode.GetSelected() {{{1
"Returns the current node if it is a dir node, or else returns the current
"nodes parent
unlet s:TreeDirNode.GetSelected
function! s:TreeDirNode.GetSelected()
let currentDir = g:NERDTreeFileNode.GetSelected()
if currentDir != {} && !currentDir.isRoot()
if currentDir.path.isDirectory ==# 0
let currentDir = currentDir.parent
endif
endif
return currentDir
endfunction
"FUNCTION: TreeDirNode.getVisibleChildCount() {{{1
"Returns the number of visible children this node has
function! s:TreeDirNode.getVisibleChildCount()
return len(self.getVisibleChildren())
endfunction
"FUNCTION: TreeDirNode.getVisibleChildren() {{{1
"Returns a list of children to display for this node, in the correct order
"
"Return:
"an array of treenodes
function! s:TreeDirNode.getVisibleChildren()
let toReturn = []
for i in self.children
if i.path.ignore(self.getNerdtree()) ==# 0
call add(toReturn, i)
endif
endfor
return toReturn
endfunction
"FUNCTION: TreeDirNode.hasVisibleChildren() {{{1
"returns 1 if this node has any childre, 0 otherwise..
function! s:TreeDirNode.hasVisibleChildren()
return self.getVisibleChildCount() != 0
endfunction
"FUNCTION: TreeDirNode.isCascadable() {{{1
"true if this dir has only one visible child - which is also a dir
function! s:TreeDirNode.isCascadable()
if g:NERDTreeCascadeSingleChildDir == 0
return 0
endif
let c = self.getVisibleChildren()
return len(c) == 1 && c[0].path.isDirectory
endfunction
"FUNCTION: TreeDirNode._initChildren() {{{1
"Removes all childen from this node and re-reads them
"
"Args:
"silent: 1 if the function should not echo any "please wait" messages for
"large directories
"
"Return: the number of child nodes read
function! s:TreeDirNode._initChildren(silent)
"remove all the current child nodes
let self.children = []
"get an array of all the files in the nodes dir
let dir = self.path
"use a relative globDir so that relative wildignore rules will be obeyed
let globDir = fnamemodify(dir.str({'format': 'Glob'}), ':.')
if version >= 703
let filesStr = globpath(globDir, '*', !g:NERDTreeRespectWildIgnore) . "\n" . globpath(globDir, '.*', !g:NERDTreeRespectWildIgnore)
else
let filesStr = globpath(globDir, '*') . "\n" . globpath(globDir, '.*')
endif
let files = split(filesStr, "\n")
if !a:silent && len(files) > g:NERDTreeNotificationThreshold
call nerdtree#echo("Please wait, caching a large dir ...")
endif
let invalidFilesFound = 0
for i in files
"filter out the .. and . directories
"Note: we must match .. AND ../ since sometimes the globpath returns
"../ for path with strange chars (eg $)
if i[len(i)-3:2] != ".." && i[len(i)-2:2] != ".." &&
\ i[len(i)-2:1] != "." && i[len(i)-1] != "."
"put the next file in a new node and attach it
try
let path = g:NERDTreePath.New(i)
call self.createChild(path, 0)
call g:NERDTreePathNotifier.NotifyListeners('init', path, self.getNerdtree(), {})
catch /^NERDTree.\(InvalidArguments\|InvalidFiletype\)Error/
let invalidFilesFound += 1
endtry
endif
endfor
call self.sortChildren()
if !a:silent && len(files) > g:NERDTreeNotificationThreshold
call nerdtree#echo("Please wait, caching a large dir ... DONE (". self.getChildCount() ." nodes cached).")
endif
if invalidFilesFound
call nerdtree#echoWarning(invalidFilesFound . " file(s) could not be loaded into the NERD tree")
endif
return self.getChildCount()
endfunction
"FUNCTION: TreeDirNode.New(path, nerdtree) {{{1
"Returns a new TreeNode object with the given path and parent
"
"Args:
"path: dir that the node represents
"nerdtree: the tree the node belongs to
function! s:TreeDirNode.New(path, nerdtree)
if a:path.isDirectory != 1
throw "NERDTree.InvalidArgumentsError: A TreeDirNode object must be instantiated with a directory Path object."
endif
let newTreeNode = copy(self)
let newTreeNode.path = a:path
let newTreeNode.isOpen = 0
let newTreeNode.children = []
let newTreeNode.parent = {}
let newTreeNode._nerdtree = a:nerdtree
return newTreeNode
endfunction
"FUNCTION: TreeDirNode.open([opts]) {{{1
"Open the dir in the current tree or in a new tree elsewhere.
"
"If opening in the current tree, return the number of cached nodes.
unlet s:TreeDirNode.open
function! s:TreeDirNode.open(...)
let opts = a:0 ? a:1 : {}
if has_key(opts, 'where') && !empty(opts['where'])
let opener = g:NERDTreeOpener.New(self.path, opts)
call opener.open(self)
else
let self.isOpen = 1
if self.children ==# []
return self._initChildren(0)
else
return 0
endif
endif
endfunction
"FUNCTION: TreeDirNode.openAlong([opts]) {{{1
"recursive open the dir if it has only one directory child.
"
"return the level of opened directories.
function! s:TreeDirNode.openAlong(...)
let opts = a:0 ? a:1 : {}
let level = 0
let node = self
while node.path.isDirectory
call node.open(opts)
let level += 1
if node.getVisibleChildCount() == 1
let node = node.getChildByIndex(0, 1)
else
break
endif
endwhile
return level
endfunction
" FUNCTION: TreeDirNode.openExplorer() {{{1
" opens an explorer window for this node in the previous window (could be a
" nerd tree or a netrw)
function! s:TreeDirNode.openExplorer()
call self.open({'where': 'p'})
endfunction
"FUNCTION: TreeDirNode.openInNewTab(options) {{{1
unlet s:TreeDirNode.openInNewTab
function! s:TreeDirNode.openInNewTab(options)
call nerdtree#deprecated('TreeDirNode.openInNewTab', 'is deprecated, use open() instead')
call self.open({'where': 't'})
endfunction
"FUNCTION: TreeDirNode._openInNewTab() {{{1
function! s:TreeDirNode._openInNewTab()
tabnew
call g:NERDTreeCreator.CreateTabTree(self.path.str())
endfunction
"FUNCTION: TreeDirNode.openRecursively() {{{1
"Opens this treenode and all of its children whose paths arent 'ignored'
"because of the file filters.
"
"This method is actually a wrapper for the OpenRecursively2 method which does
"the work.
function! s:TreeDirNode.openRecursively()
call self._openRecursively2(1)
endfunction
"FUNCTION: TreeDirNode._openRecursively2() {{{1
"Opens this all children of this treenode recursively if either:
" *they arent filtered by file filters
" *a:forceOpen is 1
"
"Args:
"forceOpen: 1 if this node should be opened regardless of file filters
function! s:TreeDirNode._openRecursively2(forceOpen)
if self.path.ignore(self.getNerdtree()) ==# 0 || a:forceOpen
let self.isOpen = 1
if self.children ==# []
call self._initChildren(1)
endif
for i in self.children
if i.path.isDirectory ==# 1
call i._openRecursively2(0)
endif
endfor
endif
endfunction
"FUNCTION: TreeDirNode.refresh() {{{1
unlet s:TreeDirNode.refresh
function! s:TreeDirNode.refresh()
call self.path.refresh(self.getNerdtree())
"if this node was ever opened, refresh its children
if self.isOpen || !empty(self.children)
"go thru all the files/dirs under this node
let newChildNodes = []
let invalidFilesFound = 0
let dir = self.path
let globDir = fnamemodify(dir.str({'format': 'Glob'}), ':.')
let filesStr = globpath(globDir, '*') . "\n" . globpath(globDir, '.*')
let files = split(filesStr, "\n")
for i in files
"filter out the .. and . directories
"Note: we must match .. AND ../ cos sometimes the globpath returns
"../ for path with strange chars (eg $)
"if i !~# '\/\.\.\/\?$' && i !~# '\/\.\/\?$'
" Regular expression is too expensive. Use simply string comparison
" instead
if i[len(i)-3:2] != ".." && i[len(i)-2:2] != ".." &&
\ i[len(i)-2:1] != "." && i[len(i)-1] != "."
try
"create a new path and see if it exists in this nodes children
let path = g:NERDTreePath.New(i)
let newNode = self.getChild(path)
if newNode != {}
call newNode.refresh()
call add(newChildNodes, newNode)
"the node doesnt exist so create it
else
let newNode = g:NERDTreeFileNode.New(path, self.getNerdtree())
let newNode.parent = self
call add(newChildNodes, newNode)
endif
catch /^NERDTree.\(InvalidArguments\|InvalidFiletype\)Error/
let invalidFilesFound = 1
endtry
endif
endfor
"swap this nodes children out for the children we just read/refreshed
let self.children = newChildNodes
call self.sortChildren()
if invalidFilesFound
call nerdtree#echoWarning("some files could not be loaded into the NERD tree")
endif
endif
endfunction
"FUNCTION: TreeDirNode.refreshFlags() {{{1
unlet s:TreeDirNode.refreshFlags
function! s:TreeDirNode.refreshFlags()
call self.path.refreshFlags(self.getNerdtree())
for i in self.children
call i.refreshFlags()
endfor
endfunction
"FUNCTION: TreeDirNode.refreshDirFlags() {{{1
function! s:TreeDirNode.refreshDirFlags()
call self.path.refreshFlags(self.getNerdtree())
endfunction
"FUNCTION: TreeDirNode.reveal(path) {{{1
"reveal the given path, i.e. cache and open all treenodes needed to display it
"in the UI
"Returns the revealed node
function! s:TreeDirNode.reveal(path, ...)
let opts = a:0 ? a:1 : {}
if !a:path.isUnder(self.path)
throw "NERDTree.InvalidArgumentsError: " . a:path.str() . " should be under " . self.path.str()
endif
call self.open()
if self.path.equals(a:path.getParent())
let n = self.findNode(a:path)
if has_key(opts, "open")
call n.open()
endif
return n
endif
let p = a:path
while !p.getParent().equals(self.path)
let p = p.getParent()
endwhile
let n = self.findNode(p)
return n.reveal(a:path, opts)
endfunction
"FUNCTION: TreeDirNode.removeChild(treenode) {{{1
"
"Removes the given treenode from this nodes set of children
"
"Args:
"treenode: the node to remove
"
"Throws a NERDTree.ChildNotFoundError if the given treenode is not found
function! s:TreeDirNode.removeChild(treenode)
for i in range(0, self.getChildCount()-1)
if self.children[i].equals(a:treenode)
call remove(self.children, i)
return
endif
endfor
throw "NERDTree.ChildNotFoundError: child node was not found"
endfunction
"FUNCTION: TreeDirNode.sortChildren() {{{1
"
"Sorts the children of this node according to alphabetical order and the
"directory priority.
"
function! s:TreeDirNode.sortChildren()
let CompareFunc = function("nerdtree#compareNodesBySortKey")
call sort(self.children, CompareFunc)
endfunction
"FUNCTION: TreeDirNode.toggleOpen([options]) {{{1
"Opens this directory if it is closed and vice versa
function! s:TreeDirNode.toggleOpen(...)
let opts = a:0 ? a:1 : {}
if self.isOpen ==# 1
call self.close()
else
if g:NERDTreeCascadeOpenSingleChildDir == 0
call self.open(opts)
else
call self.openAlong(opts)
endif
endif
endfunction
"FUNCTION: TreeDirNode.transplantChild(newNode) {{{1
"Replaces the child of this with the given node (where the child node's full
"path matches a:newNode's fullpath). The search for the matching node is
"non-recursive
"
"Arg:
"newNode: the node to graft into the tree
function! s:TreeDirNode.transplantChild(newNode)
for i in range(0, self.getChildCount()-1)
if self.children[i].equals(a:newNode)
let self.children[i] = a:newNode
let a:newNode.parent = self
break
endif
endfor
endfunction
" vim: set sw=4 sts=4 et fdm=marker:

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@ -0,0 +1,368 @@
"CLASS: TreeFileNode
"This class is the parent of the TreeDirNode class and is the
"'Component' part of the composite design pattern between the treenode
"classes.
"============================================================
let s:TreeFileNode = {}
let g:NERDTreeFileNode = s:TreeFileNode
"FUNCTION: TreeFileNode.activate(...) {{{1
function! s:TreeFileNode.activate(...)
call self.open(a:0 ? a:1 : {})
endfunction
"FUNCTION: TreeFileNode.bookmark(name) {{{1
"bookmark this node with a:name
function! s:TreeFileNode.bookmark(name)
"if a bookmark exists with the same name and the node is cached then save
"it so we can update its display string
let oldMarkedNode = {}
try
let oldMarkedNode = g:NERDTreeBookmark.GetNodeForName(a:name, 1, self.getNerdtree())
catch /^NERDTree.BookmarkNotFoundError/
catch /^NERDTree.BookmarkedNodeNotFoundError/
endtry
call g:NERDTreeBookmark.AddBookmark(a:name, self.path)
call self.path.cacheDisplayString()
call g:NERDTreeBookmark.Write()
if !empty(oldMarkedNode)
call oldMarkedNode.path.cacheDisplayString()
endif
endfunction
"FUNCTION: TreeFileNode.cacheParent() {{{1
"initializes self.parent if it isnt already
function! s:TreeFileNode.cacheParent()
if empty(self.parent)
let parentPath = self.path.getParent()
if parentPath.equals(self.path)
throw "NERDTree.CannotCacheParentError: already at root"
endif
let self.parent = s:TreeFileNode.New(parentPath, self.getNerdtree())
endif
endfunction
"FUNCTION: TreeFileNode.clearBookmarks() {{{1
function! s:TreeFileNode.clearBookmarks()
for i in g:NERDTreeBookmark.Bookmarks()
if i.path.equals(self.path)
call i.delete()
end
endfor
call self.path.cacheDisplayString()
endfunction
"FUNCTION: TreeFileNode.copy(dest) {{{1
function! s:TreeFileNode.copy(dest)
call self.path.copy(a:dest)
let newPath = g:NERDTreePath.New(a:dest)
let parent = self.getNerdtree().root.findNode(newPath.getParent())
if !empty(parent)
call parent.refresh()
return parent.findNode(newPath)
else
return {}
endif
endfunction
"FUNCTION: TreeFileNode.delete {{{1
"Removes this node from the tree and calls the Delete method for its path obj
function! s:TreeFileNode.delete()
call self.path.delete()
call self.parent.removeChild(self)
endfunction
"FUNCTION: TreeFileNode.displayString() {{{1
"
"Returns a string that specifies how the node should be represented as a
"string
"
"Return:
"a string that can be used in the view to represent this node
function! s:TreeFileNode.displayString()
return self.path.flagSet.renderToString() . self.path.displayString()
endfunction
"FUNCTION: TreeFileNode.equals(treenode) {{{1
"
"Compares this treenode to the input treenode and returns 1 if they are the
"same node.
"
"Use this method instead of == because sometimes when the treenodes contain
"many children, vim seg faults when doing ==
"
"Args:
"treenode: the other treenode to compare to
function! s:TreeFileNode.equals(treenode)
return self.path.str() ==# a:treenode.path.str()
endfunction
"FUNCTION: TreeFileNode.findNode(path) {{{1
"Returns self if this node.path.Equals the given path.
"Returns {} if not equal.
"
"Args:
"path: the path object to compare against
function! s:TreeFileNode.findNode(path)
if a:path.equals(self.path)
return self
endif
return {}
endfunction
"FUNCTION: TreeFileNode.findOpenDirSiblingWithVisibleChildren(direction) {{{1
"
"Finds the next sibling for this node in the indicated direction. This sibling
"must be a directory and may/may not have children as specified.
"
"Args:
"direction: 0 if you want to find the previous sibling, 1 for the next sibling
"
"Return:
"a treenode object or {} if no appropriate sibling could be found
function! s:TreeFileNode.findOpenDirSiblingWithVisibleChildren(direction)
"if we have no parent then we can have no siblings
if self.parent != {}
let nextSibling = self.findSibling(a:direction)
while nextSibling != {}
if nextSibling.path.isDirectory && nextSibling.hasVisibleChildren() && nextSibling.isOpen
return nextSibling
endif
let nextSibling = nextSibling.findSibling(a:direction)
endwhile
endif
return {}
endfunction
"FUNCTION: TreeFileNode.findSibling(direction) {{{1
"
"Finds the next sibling for this node in the indicated direction
"
"Args:
"direction: 0 if you want to find the previous sibling, 1 for the next sibling
"
"Return:
"a treenode object or {} if no sibling could be found
function! s:TreeFileNode.findSibling(direction)
"if we have no parent then we can have no siblings
if self.parent != {}
"get the index of this node in its parents children
let siblingIndx = self.parent.getChildIndex(self.path)
if siblingIndx != -1
"move a long to the next potential sibling node
let siblingIndx = a:direction ==# 1 ? siblingIndx+1 : siblingIndx-1
"keep moving along to the next sibling till we find one that is valid
let numSiblings = self.parent.getChildCount()
while siblingIndx >= 0 && siblingIndx < numSiblings
"if the next node is not an ignored node (i.e. wont show up in the
"view) then return it
if self.parent.children[siblingIndx].path.ignore(self.getNerdtree()) ==# 0
return self.parent.children[siblingIndx]
endif
"go to next node
let siblingIndx = a:direction ==# 1 ? siblingIndx+1 : siblingIndx-1
endwhile
endif
endif
return {}
endfunction
"FUNCTION: TreeFileNode.getNerdtree(){{{1
function! s:TreeFileNode.getNerdtree()
return self._nerdtree
endfunction
"FUNCTION: TreeFileNode.GetRootForTab(){{{1
"get the root node for this tab
function! s:TreeFileNode.GetRootForTab()
if g:NERDTree.ExistsForTab()
return getbufvar(t:NERDTreeBufName, 'NERDTree').root
end
return {}
endfunction
"FUNCTION: TreeFileNode.GetSelected() {{{1
"gets the treenode that the cursor is currently over
function! s:TreeFileNode.GetSelected()
try
let path = b:NERDTree.ui.getPath(line("."))
if path ==# {}
return {}
endif
return b:NERDTree.root.findNode(path)
catch /^NERDTree/
return {}
endtry
endfunction
"FUNCTION: TreeFileNode.isVisible() {{{1
"returns 1 if this node should be visible according to the tree filters and
"hidden file filters (and their on/off status)
function! s:TreeFileNode.isVisible()
return !self.path.ignore(self.getNerdtree())
endfunction
"FUNCTION: TreeFileNode.isRoot() {{{1
function! s:TreeFileNode.isRoot()
if !g:NERDTree.ExistsForBuf()
throw "NERDTree.NoTreeError: No tree exists for the current buffer"
endif
return self.equals(self.getNerdtree().root)
endfunction
"FUNCTION: TreeFileNode.New(path, nerdtree) {{{1
"Returns a new TreeNode object with the given path and parent
"
"Args:
"path: file/dir that the node represents
"nerdtree: the tree the node belongs to
function! s:TreeFileNode.New(path, nerdtree)
if a:path.isDirectory
return g:NERDTreeDirNode.New(a:path, a:nerdtree)
else
let newTreeNode = copy(self)
let newTreeNode.path = a:path
let newTreeNode.parent = {}
let newTreeNode._nerdtree = a:nerdtree
return newTreeNode
endif
endfunction
"FUNCTION: TreeFileNode.open() {{{1
function! s:TreeFileNode.open(...)
let opts = a:0 ? a:1 : {}
let opener = g:NERDTreeOpener.New(self.path, opts)
call opener.open(self)
endfunction
"FUNCTION: TreeFileNode.openSplit() {{{1
"Open this node in a new window
function! s:TreeFileNode.openSplit()
call nerdtree#deprecated('TreeFileNode.openSplit', 'is deprecated, use .open() instead.')
call self.open({'where': 'h'})
endfunction
"FUNCTION: TreeFileNode.openVSplit() {{{1
"Open this node in a new vertical window
function! s:TreeFileNode.openVSplit()
call nerdtree#deprecated('TreeFileNode.openVSplit', 'is deprecated, use .open() instead.')
call self.open({'where': 'v'})
endfunction
"FUNCTION: TreeFileNode.openInNewTab(options) {{{1
function! s:TreeFileNode.openInNewTab(options)
echomsg 'TreeFileNode.openInNewTab is deprecated'
call self.open(extend({'where': 't'}, a:options))
endfunction
"FUNCTION: TreeFileNode.putCursorHere(isJump, recurseUpward){{{1
"Places the cursor on the line number this node is rendered on
"
"Args:
"isJump: 1 if this cursor movement should be counted as a jump by vim
"recurseUpward: try to put the cursor on the parent if the this node isnt
"visible
function! s:TreeFileNode.putCursorHere(isJump, recurseUpward)
let ln = self.getNerdtree().ui.getLineNum(self)
if ln != -1
if a:isJump
mark '
endif
call cursor(ln, col("."))
else
if a:recurseUpward
let node = self
while node != {} && self.getNerdtree().ui.getLineNum(node) ==# -1
let node = node.parent
call node.open()
endwhile
call self._nerdtree.render()
call node.putCursorHere(a:isJump, 0)
endif
endif
endfunction
"FUNCTION: TreeFileNode.refresh() {{{1
function! s:TreeFileNode.refresh()
call self.path.refresh(self.getNerdtree())
endfunction
"FUNCTION: TreeFileNode.refreshFlags() {{{1
function! s:TreeFileNode.refreshFlags()
call self.path.refreshFlags(self.getNerdtree())
endfunction
"FUNCTION: TreeFileNode.rename() {{{1
"Calls the rename method for this nodes path obj
function! s:TreeFileNode.rename(newName)
let newName = substitute(a:newName, '\(\\\|\/\)$', '', '')
call self.path.rename(newName)
call self.parent.removeChild(self)
let parentPath = self.path.getParent()
let newParent = self.getNerdtree().root.findNode(parentPath)
if newParent != {}
call newParent.createChild(self.path, 1)
call newParent.refresh()
endif
endfunction
"FUNCTION: TreeFileNode.renderToString {{{1
"returns a string representation for this tree to be rendered in the view
function! s:TreeFileNode.renderToString()
return self._renderToString(0, 0)
endfunction
"Args:
"depth: the current depth in the tree for this call
"drawText: 1 if we should actually draw the line for this node (if 0 then the
"child nodes are rendered only)
"for each depth in the tree
function! s:TreeFileNode._renderToString(depth, drawText)
let output = ""
if a:drawText ==# 1
let treeParts = repeat(' ', a:depth - 1)
if !self.path.isDirectory
let treeParts = treeParts . ' '
endif
let line = treeParts . self.displayString()
let output = output . line . "\n"
endif
"if the node is an open dir, draw its children
if self.path.isDirectory ==# 1 && self.isOpen ==# 1
let childNodesToDraw = self.getVisibleChildren()
if self.isCascadable() && a:depth > 0
let output = output . childNodesToDraw[0]._renderToString(a:depth, 0)
elseif len(childNodesToDraw) > 0
for i in childNodesToDraw
let output = output . i._renderToString(a:depth + 1, 1)
endfor
endif
endif
return output
endfunction
" vim: set sw=4 sts=4 et fdm=marker:

View file

@ -0,0 +1,538 @@
"CLASS: UI
"============================================================
let s:UI = {}
let g:NERDTreeUI = s:UI
"FUNCTION: s:UI.centerView() {{{2
"centers the nerd tree window around the cursor (provided the nerd tree
"options permit)
function! s:UI.centerView()
if g:NERDTreeAutoCenter
let current_line = winline()
let lines_to_top = current_line
let lines_to_bottom = winheight(g:NERDTree.GetWinNum()) - current_line
if lines_to_top < g:NERDTreeAutoCenterThreshold || lines_to_bottom < g:NERDTreeAutoCenterThreshold
normal! zz
endif
endif
endfunction
"FUNCTION: s:UI._dumpHelp {{{1
"prints out the quick help
function! s:UI._dumpHelp()
if self.getShowHelp()
let help = "\" NERD tree (" . nerdtree#version() . ") quickhelp~\n"
let help .= "\" ============================\n"
let help .= "\" File node mappings~\n"
let help .= "\" ". (g:NERDTreeMouseMode ==# 3 ? "single" : "double") ."-click,\n"
let help .= "\" <CR>,\n"
if self.nerdtree.isTabTree()
let help .= "\" ". g:NERDTreeMapActivateNode .": open in prev window\n"
else
let help .= "\" ". g:NERDTreeMapActivateNode .": open in current window\n"
endif
if self.nerdtree.isTabTree()
let help .= "\" ". g:NERDTreeMapPreview .": preview\n"
endif
let help .= "\" ". g:NERDTreeMapOpenInTab.": open in new tab\n"
let help .= "\" ". g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n"
let help .= "\" middle-click,\n"
let help .= "\" ". g:NERDTreeMapOpenSplit .": open split\n"
let help .= "\" ". g:NERDTreeMapPreviewSplit .": preview split\n"
let help .= "\" ". g:NERDTreeMapOpenVSplit .": open vsplit\n"
let help .= "\" ". g:NERDTreeMapPreviewVSplit .": preview vsplit\n"
let help .= "\"\n\" ----------------------------\n"
let help .= "\" Directory node mappings~\n"
let help .= "\" ". (g:NERDTreeMouseMode ==# 1 ? "double" : "single") ."-click,\n"
let help .= "\" ". g:NERDTreeMapActivateNode .": open & close node\n"
let help .= "\" ". g:NERDTreeMapOpenRecursively .": recursively open node\n"
let help .= "\" ". g:NERDTreeMapCloseDir .": close parent of node\n"
let help .= "\" ". g:NERDTreeMapCloseChildren .": close all child nodes of\n"
let help .= "\" current node recursively\n"
let help .= "\" middle-click,\n"
let help .= "\" ". g:NERDTreeMapOpenExpl.": explore selected dir\n"
let help .= "\"\n\" ----------------------------\n"
let help .= "\" Bookmark table mappings~\n"
let help .= "\" double-click,\n"
let help .= "\" ". g:NERDTreeMapActivateNode .": open bookmark\n"
let help .= "\" ". g:NERDTreeMapOpenInTab.": open in new tab\n"
let help .= "\" ". g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n"
let help .= "\" ". g:NERDTreeMapDeleteBookmark .": delete bookmark\n"
let help .= "\"\n\" ----------------------------\n"
let help .= "\" Tree navigation mappings~\n"
let help .= "\" ". g:NERDTreeMapJumpRoot .": go to root\n"
let help .= "\" ". g:NERDTreeMapJumpParent .": go to parent\n"
let help .= "\" ". g:NERDTreeMapJumpFirstChild .": go to first child\n"
let help .= "\" ". g:NERDTreeMapJumpLastChild .": go to last child\n"
let help .= "\" ". g:NERDTreeMapJumpNextSibling .": go to next sibling\n"
let help .= "\" ". g:NERDTreeMapJumpPrevSibling .": go to prev sibling\n"
let help .= "\"\n\" ----------------------------\n"
let help .= "\" Filesystem mappings~\n"
let help .= "\" ". g:NERDTreeMapChangeRoot .": change tree root to the\n"
let help .= "\" selected dir\n"
let help .= "\" ". g:NERDTreeMapUpdir .": move tree root up a dir\n"
let help .= "\" ". g:NERDTreeMapUpdirKeepOpen .": move tree root up a dir\n"
let help .= "\" but leave old root open\n"
let help .= "\" ". g:NERDTreeMapRefresh .": refresh cursor dir\n"
let help .= "\" ". g:NERDTreeMapRefreshRoot .": refresh current root\n"
let help .= "\" ". g:NERDTreeMapMenu .": Show menu\n"
let help .= "\" ". g:NERDTreeMapChdir .":change the CWD to the\n"
let help .= "\" selected dir\n"
let help .= "\" ". g:NERDTreeMapCWD .":change tree root to CWD\n"
let help .= "\"\n\" ----------------------------\n"
let help .= "\" Tree filtering mappings~\n"
let help .= "\" ". g:NERDTreeMapToggleHidden .": hidden files (" . (self.getShowHidden() ? "on" : "off") . ")\n"
let help .= "\" ". g:NERDTreeMapToggleFilters .": file filters (" . (self.isIgnoreFilterEnabled() ? "on" : "off") . ")\n"
let help .= "\" ". g:NERDTreeMapToggleFiles .": files (" . (self.getShowFiles() ? "on" : "off") . ")\n"
let help .= "\" ". g:NERDTreeMapToggleBookmarks .": bookmarks (" . (self.getShowBookmarks() ? "on" : "off") . ")\n"
"add quickhelp entries for each custom key map
let help .= "\"\n\" ----------------------------\n"
let help .= "\" Custom mappings~\n"
for i in g:NERDTreeKeyMap.All()
if !empty(i.quickhelpText)
let help .= "\" ". i.key .": ". i.quickhelpText ."\n"
endif
endfor
let help .= "\"\n\" ----------------------------\n"
let help .= "\" Other mappings~\n"
let help .= "\" ". g:NERDTreeMapQuit .": Close the NERDTree window\n"
let help .= "\" ". g:NERDTreeMapToggleZoom .": Zoom (maximize-minimize)\n"
let help .= "\" the NERDTree window\n"
let help .= "\" ". g:NERDTreeMapHelp .": toggle help\n"
let help .= "\"\n\" ----------------------------\n"
let help .= "\" Bookmark commands~\n"
let help .= "\" :Bookmark [<name>]\n"
let help .= "\" :BookmarkToRoot <name>\n"
let help .= "\" :RevealBookmark <name>\n"
let help .= "\" :OpenBookmark <name>\n"
let help .= "\" :ClearBookmarks [<names>]\n"
let help .= "\" :ClearAllBookmarks\n"
silent! put =help
elseif !self.isMinimal()
let help ="\" Press ". g:NERDTreeMapHelp ." for help\n"
silent! put =help
endif
endfunction
"FUNCTION: s:UI.new(nerdtree) {{{1
function! s:UI.New(nerdtree)
let newObj = copy(self)
let newObj.nerdtree = a:nerdtree
let newObj._showHelp = 0
let newObj._ignoreEnabled = 1
let newObj._showFiles = g:NERDTreeShowFiles
let newObj._showHidden = g:NERDTreeShowHidden
let newObj._showBookmarks = g:NERDTreeShowBookmarks
return newObj
endfunction
"FUNCTION: s:UI.getPath(ln) {{{1
"Gets the full path to the node that is rendered on the given line number
"
"Args:
"ln: the line number to get the path for
"
"Return:
"A path if a node was selected, {} if nothing is selected.
"If the 'up a dir' line was selected then the path to the parent of the
"current root is returned
function! s:UI.getPath(ln)
let line = getline(a:ln)
let rootLine = self.getRootLineNum()
"check to see if we have the root node
if a:ln == rootLine
return self.nerdtree.root.path
endif
if line ==# s:UI.UpDirLine()
return self.nerdtree.root.path.getParent()
endif
let indent = self._indentLevelFor(line)
"remove the tree parts and the leading space
let curFile = self._stripMarkup(line, 0)
let wasdir = 0
if curFile =~# '/$'
let wasdir = 1
let curFile = substitute(curFile, '/\?$', '/', "")
endif
let dir = ""
let lnum = a:ln
while lnum > 0
let lnum = lnum - 1
let curLine = getline(lnum)
let curLineStripped = self._stripMarkup(curLine, 1)
"have we reached the top of the tree?
if lnum == rootLine
let dir = self.nerdtree.root.path.str({'format': 'UI'}) . dir
break
endif
if curLineStripped =~# '/$'
let lpindent = self._indentLevelFor(curLine)
if lpindent < indent
let indent = indent - 1
let dir = substitute (curLineStripped,'^\\', "", "") . dir
continue
endif
endif
endwhile
let curFile = self.nerdtree.root.path.drive . dir . curFile
let toReturn = g:NERDTreePath.New(curFile)
return toReturn
endfunction
"FUNCTION: s:UI.getLineNum(file_node){{{1
"returns the line number this node is rendered on, or -1 if it isnt rendered
function! s:UI.getLineNum(file_node)
"if the node is the root then return the root line no.
if a:file_node.isRoot()
return self.getRootLineNum()
endif
let totalLines = line("$")
"the path components we have matched so far
let pathcomponents = [substitute(self.nerdtree.root.path.str({'format': 'UI'}), '/ *$', '', '')]
"the index of the component we are searching for
let curPathComponent = 1
let fullpath = a:file_node.path.str({'format': 'UI'})
let lnum = self.getRootLineNum()
while lnum > 0
let lnum = lnum + 1
"have we reached the bottom of the tree?
if lnum ==# totalLines+1
return -1
endif
let curLine = getline(lnum)
let indent = self._indentLevelFor(curLine)
if indent ==# curPathComponent
let curLine = self._stripMarkup(curLine, 1)
let curPath = join(pathcomponents, '/') . '/' . curLine
if stridx(fullpath, curPath, 0) ==# 0
if fullpath ==# curPath || strpart(fullpath, len(curPath)-1,1) ==# '/'
let curLine = substitute(curLine, '/ *$', '', '')
call add(pathcomponents, curLine)
let curPathComponent = curPathComponent + 1
if fullpath ==# curPath
return lnum
endif
endif
endif
endif
endwhile
return -1
endfunction
"FUNCTION: s:UI.getRootLineNum(){{{1
"gets the line number of the root node
function! s:UI.getRootLineNum()
let rootLine = 1
while getline(rootLine) !~# '^\(/\|<\)'
let rootLine = rootLine + 1
endwhile
return rootLine
endfunction
"FUNCTION: s:UI.getShowBookmarks() {{{1
function! s:UI.getShowBookmarks()
return self._showBookmarks
endfunction
"FUNCTION: s:UI.getShowFiles() {{{1
function! s:UI.getShowFiles()
return self._showFiles
endfunction
"FUNCTION: s:UI.getShowHelp() {{{1
function! s:UI.getShowHelp()
return self._showHelp
endfunction
"FUNCTION: s:UI.getShowHidden() {{{1
function! s:UI.getShowHidden()
return self._showHidden
endfunction
"FUNCTION: s:UI._indentLevelFor(line) {{{1
function! s:UI._indentLevelFor(line)
"have to do this work around because match() returns bytes, not chars
let numLeadBytes = match(a:line, '\M\[^ '.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsible.']')
" The next line is a backward-compatible workaround for strchars(a:line(0:numLeadBytes-1]). strchars() is in 7.3+
let leadChars = len(split(a:line[0:numLeadBytes-1], '\zs'))
return leadChars / s:UI.IndentWid()
endfunction
"FUNCTION: s:UI.IndentWid() {{{1
function! s:UI.IndentWid()
return 2
endfunction
"FUNCTION: s:UI.isIgnoreFilterEnabled() {{{1
function! s:UI.isIgnoreFilterEnabled()
return self._ignoreEnabled == 1
endfunction
"FUNCTION: s:UI.isMinimal() {{{1
function! s:UI.isMinimal()
return g:NERDTreeMinimalUI
endfunction
"FUNCTION: s:UI.MarkupReg() {{{1
function! s:UI.MarkupReg()
return '^\(['.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsible.'] \| \+['.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsible.'] \| \+\)'
endfunction
"FUNCTION: s:UI._renderBookmarks {{{1
function! s:UI._renderBookmarks()
if !self.isMinimal()
call setline(line(".")+1, ">----------Bookmarks----------")
call cursor(line(".")+1, col("."))
endif
if g:NERDTreeBookmarksSort == 1 || g:NERDTreeBookmarksSort == 2
call g:NERDTreeBookmark.SortBookmarksList()
endif
for i in g:NERDTreeBookmark.Bookmarks()
call setline(line(".")+1, i.str())
call cursor(line(".")+1, col("."))
endfor
call setline(line(".")+1, '')
call cursor(line(".")+1, col("."))
endfunction
"FUNCTION: s:UI.restoreScreenState() {{{1
"
"Sets the screen state back to what it was when nerdtree#saveScreenState was last
"called.
"
"Assumes the cursor is in the NERDTree window
function! s:UI.restoreScreenState()
if !has_key(self, '_screenState')
return
endif
exec("silent vertical resize " . self._screenState['oldWindowSize'])
let old_scrolloff=&scrolloff
let &scrolloff=0
call cursor(self._screenState['oldTopLine'], 0)
normal! zt
call setpos(".", self._screenState['oldPos'])
let &scrolloff=old_scrolloff
endfunction
"FUNCTION: s:UI.saveScreenState() {{{1
"Saves the current cursor position in the current buffer and the window
"scroll position
function! s:UI.saveScreenState()
let win = winnr()
call g:NERDTree.CursorToTreeWin()
let self._screenState = {}
let self._screenState['oldPos'] = getpos(".")
let self._screenState['oldTopLine'] = line("w0")
let self._screenState['oldWindowSize']= winwidth("")
call nerdtree#exec(win . "wincmd w")
endfunction
"FUNCTION: s:UI.setShowHidden(val) {{{1
function! s:UI.setShowHidden(val)
let self._showHidden = a:val
endfunction
"FUNCTION: s:UI._stripMarkup(line, removeLeadingSpaces){{{1
"returns the given line with all the tree parts stripped off
"
"Args:
"line: the subject line
"removeLeadingSpaces: 1 if leading spaces are to be removed (leading spaces =
"any spaces before the actual text of the node)
function! s:UI._stripMarkup(line, removeLeadingSpaces)
let line = a:line
"remove the tree parts and the leading space
let line = substitute (line, g:NERDTreeUI.MarkupReg(),"","")
"strip off any read only flag
let line = substitute (line, ' \['.g:NERDTreeGlyphReadOnly.'\]', "","")
"strip off any bookmark flags
let line = substitute (line, ' {[^}]*}', "","")
"strip off any executable flags
let line = substitute (line, '*\ze\($\| \)', "","")
"strip off any generic flags
let line = substitute (line, '\[[^]]*\]', "","")
let wasdir = 0
if line =~# '/$'
let wasdir = 1
endif
let line = substitute (line,' -> .*',"","") " remove link to
if wasdir ==# 1
let line = substitute (line, '/\?$', '/', "")
endif
if a:removeLeadingSpaces
let line = substitute (line, '^ *', '', '')
endif
return line
endfunction
"FUNCTION: s:UI.render() {{{1
function! s:UI.render()
setlocal modifiable
"remember the top line of the buffer and the current line so we can
"restore the view exactly how it was
let curLine = line(".")
let curCol = col(".")
let topLine = line("w0")
"delete all lines in the buffer (being careful not to clobber a register)
silent 1,$delete _
call self._dumpHelp()
"delete the blank line before the help and add one after it
if !self.isMinimal()
call setline(line(".")+1, "")
call cursor(line(".")+1, col("."))
endif
if self.getShowBookmarks()
call self._renderBookmarks()
endif
"add the 'up a dir' line
if !self.isMinimal()
call setline(line(".")+1, s:UI.UpDirLine())
call cursor(line(".")+1, col("."))
endif
"draw the header line
let header = self.nerdtree.root.path.str({'format': 'UI', 'truncateTo': winwidth(0)})
call setline(line(".")+1, header)
call cursor(line(".")+1, col("."))
"draw the tree
silent put =self.nerdtree.root.renderToString()
"delete the blank line at the top of the buffer
silent 1,1delete _
"restore the view
let old_scrolloff=&scrolloff
let &scrolloff=0
call cursor(topLine, 1)
normal! zt
call cursor(curLine, curCol)
let &scrolloff = old_scrolloff
setlocal nomodifiable
endfunction
"FUNCTION: UI.renderViewSavingPosition {{{1
"Renders the tree and ensures the cursor stays on the current node or the
"current nodes parent if it is no longer available upon re-rendering
function! s:UI.renderViewSavingPosition()
let currentNode = g:NERDTreeFileNode.GetSelected()
"go up the tree till we find a node that will be visible or till we run
"out of nodes
while currentNode != {} && !currentNode.isVisible() && !currentNode.isRoot()
let currentNode = currentNode.parent
endwhile
call self.render()
if currentNode != {}
call currentNode.putCursorHere(0, 0)
endif
endfunction
"FUNCTION: s:UI.toggleHelp() {{{1
function! s:UI.toggleHelp()
let self._showHelp = !self._showHelp
endfunction
" FUNCTION: s:UI.toggleIgnoreFilter() {{{1
" toggles the use of the NERDTreeIgnore option
function! s:UI.toggleIgnoreFilter()
let self._ignoreEnabled = !self._ignoreEnabled
call self.renderViewSavingPosition()
call self.centerView()
endfunction
" FUNCTION: s:UI.toggleShowBookmarks() {{{1
" toggles the display of bookmarks
function! s:UI.toggleShowBookmarks()
let self._showBookmarks = !self._showBookmarks
if self.getShowBookmarks()
call self.nerdtree.render()
call g:NERDTree.CursorToBookmarkTable()
else
call self.renderViewSavingPosition()
endif
call self.centerView()
endfunction
" FUNCTION: s:UI.toggleShowFiles() {{{1
" toggles the display of hidden files
function! s:UI.toggleShowFiles()
let self._showFiles = !self._showFiles
call self.renderViewSavingPosition()
call self.centerView()
endfunction
" FUNCTION: s:UI.toggleShowHidden() {{{1
" toggles the display of hidden files
function! s:UI.toggleShowHidden()
let self._showHidden = !self._showHidden
call self.renderViewSavingPosition()
call self.centerView()
endfunction
" FUNCTION: s:UI.toggleZoom() {{{1
" zoom (maximize/minimize) the NERDTree window
function! s:UI.toggleZoom()
if exists("b:NERDTreeZoomed") && b:NERDTreeZoomed
let size = exists("b:NERDTreeOldWindowSize") ? b:NERDTreeOldWindowSize : g:NERDTreeWinSize
exec "silent vertical resize ". size
let b:NERDTreeZoomed = 0
else
exec "vertical resize"
let b:NERDTreeZoomed = 1
endif
endfunction
"FUNCTION: s:UI.UpDirLine() {{{1
function! s:UI.UpDirLine()
return '.. (up a dir)'
endfunction