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authorStefan Ritter <xeno@thehappy.de>2011-09-22 13:35:56 +0200
committerStefan Ritter <xeno@thehappy.de>2011-09-22 13:35:56 +0200
commit2ba60ebba5bcd022cc6a5542a7b7bc22d5bcd9aa (patch)
tree82b662ff120de4ad342c978c7ea1fc1dec8ad914 /vim
parent43a556b114ee8fa5079cbe8f2ad807b63720165a (diff)
parentf40cc9e44282e630264726148090816c8a231fb9 (diff)
Merge branch 'master' of fucktheforce.de:xeno
Diffstat (limited to 'vim')
-rw-r--r--vim/NERD_tree.vim4123
-rw-r--r--vim/vimrc2
2 files changed, 4125 insertions, 0 deletions
diff --git a/vim/NERD_tree.vim b/vim/NERD_tree.vim
new file mode 100644
index 0000000..2f78357
--- /dev/null
+++ b/vim/NERD_tree.vim
@@ -0,0 +1,4123 @@
+" ============================================================================
+" File: NERD_tree.vim
+" Description: vim global plugin that provides a nice tree explorer
+" Maintainer: Martin Grenfell <martin.grenfell at gmail dot com>
+" Last Change: 1 December, 2009
+" License: This program is free software. It comes without any warranty,
+" to the extent permitted by applicable law. You can redistribute
+" it and/or modify it under the terms of the Do What The Fuck You
+" Want To Public License, Version 2, as published by Sam Hocevar.
+" See http://sam.zoy.org/wtfpl/COPYING for more details.
+"
+" ============================================================================
+let s:NERD_tree_version = '4.1.0'
+
+" SECTION: Script init stuff {{{1
+"============================================================
+if exists("loaded_nerd_tree")
+ finish
+endif
+if v:version < 700
+ echoerr "NERDTree: this plugin requires vim >= 7. DOWNLOAD IT! You'll thank me later!"
+ finish
+endif
+let loaded_nerd_tree = 1
+
+"for line continuation - i.e dont want C in &cpo
+let s:old_cpo = &cpo
+set cpo&vim
+
+"Function: s:initVariable() function {{{2
+"This function is used to initialise a given variable to a given value. The
+"variable is only initialised if it does not exist prior
+"
+"Args:
+"var: the name of the var to be initialised
+"value: the value to initialise var to
+"
+"Returns:
+"1 if the var is set, 0 otherwise
+function! s:initVariable(var, value)
+ if !exists(a:var)
+ exec 'let ' . a:var . ' = ' . "'" . substitute(a:value, "'", "''", "g") . "'"
+ return 1
+ endif
+ return 0
+endfunction
+
+"SECTION: Init variable calls and other random constants {{{2
+call s:initVariable("g:NERDChristmasTree", 1)
+call s:initVariable("g:NERDTreeAutoCenter", 1)
+call s:initVariable("g:NERDTreeAutoCenterThreshold", 3)
+call s:initVariable("g:NERDTreeCaseSensitiveSort", 0)
+call s:initVariable("g:NERDTreeChDirMode", 0)
+call s:initVariable("g:NERDTreeMinimalUI", 0)
+if !exists("g:NERDTreeIgnore")
+ let g:NERDTreeIgnore = ['\~$']
+endif
+call s:initVariable("g:NERDTreeBookmarksFile", expand('$HOME') . '/.NERDTreeBookmarks')
+call s:initVariable("g:NERDTreeHighlightCursorline", 1)
+call s:initVariable("g:NERDTreeHijackNetrw", 1)
+call s:initVariable("g:NERDTreeMouseMode", 1)
+call s:initVariable("g:NERDTreeNotificationThreshold", 100)
+call s:initVariable("g:NERDTreeQuitOnOpen", 0)
+call s:initVariable("g:NERDTreeShowBookmarks", 0)
+call s:initVariable("g:NERDTreeShowFiles", 1)
+call s:initVariable("g:NERDTreeShowHidden", 0)
+call s:initVariable("g:NERDTreeShowLineNumbers", 0)
+call s:initVariable("g:NERDTreeSortDirs", 1)
+call s:initVariable("g:NERDTreeDirArrows", 0)
+
+if !exists("g:NERDTreeSortOrder")
+ let g:NERDTreeSortOrder = ['\/$', '*', '\.swp$', '\.bak$', '\~$']
+else
+ "if there isnt a * in the sort sequence then add one
+ if count(g:NERDTreeSortOrder, '*') < 1
+ call add(g:NERDTreeSortOrder, '*')
+ endif
+endif
+
+"we need to use this number many times for sorting... so we calculate it only
+"once here
+let s:NERDTreeSortStarIndex = index(g:NERDTreeSortOrder, '*')
+
+if !exists('g:NERDTreeStatusline')
+
+ "the exists() crap here is a hack to stop vim spazzing out when
+ "loading a session that was created with an open nerd tree. It spazzes
+ "because it doesnt store b:NERDTreeRoot (its a b: var, and its a hash)
+ let g:NERDTreeStatusline = "%{exists('b:NERDTreeRoot')?b:NERDTreeRoot.path.str():''}"
+
+endif
+call s:initVariable("g:NERDTreeWinPos", "left")
+call s:initVariable("g:NERDTreeWinSize", 31)
+
+let s:running_windows = has("win16") || has("win32") || has("win64")
+
+"init the shell commands that will be used to copy nodes, and remove dir trees
+"
+"Note: the space after the command is important
+if s:running_windows
+ call s:initVariable("g:NERDTreeRemoveDirCmd", 'rmdir /s /q ')
+else
+ call s:initVariable("g:NERDTreeRemoveDirCmd", 'rm -rf ')
+ call s:initVariable("g:NERDTreeCopyCmd", 'cp -r ')
+endif
+
+
+"SECTION: Init variable calls for key mappings {{{2
+call s:initVariable("g:NERDTreeMapActivateNode", "o")
+call s:initVariable("g:NERDTreeMapChangeRoot", "C")
+call s:initVariable("g:NERDTreeMapChdir", "cd")
+call s:initVariable("g:NERDTreeMapCloseChildren", "X")
+call s:initVariable("g:NERDTreeMapCloseDir", "x")
+call s:initVariable("g:NERDTreeMapDeleteBookmark", "D")
+call s:initVariable("g:NERDTreeMapMenu", "m")
+call s:initVariable("g:NERDTreeMapHelp", "?")
+call s:initVariable("g:NERDTreeMapJumpFirstChild", "K")
+call s:initVariable("g:NERDTreeMapJumpLastChild", "J")
+call s:initVariable("g:NERDTreeMapJumpNextSibling", "<C-j>")
+call s:initVariable("g:NERDTreeMapJumpParent", "p")
+call s:initVariable("g:NERDTreeMapJumpPrevSibling", "<C-k>")
+call s:initVariable("g:NERDTreeMapJumpRoot", "P")
+call s:initVariable("g:NERDTreeMapOpenExpl", "e")
+call s:initVariable("g:NERDTreeMapOpenInTab", "t")
+call s:initVariable("g:NERDTreeMapOpenInTabSilent", "T")
+call s:initVariable("g:NERDTreeMapOpenRecursively", "O")
+call s:initVariable("g:NERDTreeMapOpenSplit", "i")
+call s:initVariable("g:NERDTreeMapOpenVSplit", "s")
+call s:initVariable("g:NERDTreeMapPreview", "g" . NERDTreeMapActivateNode)
+call s:initVariable("g:NERDTreeMapPreviewSplit", "g" . NERDTreeMapOpenSplit)
+call s:initVariable("g:NERDTreeMapPreviewVSplit", "g" . NERDTreeMapOpenVSplit)
+call s:initVariable("g:NERDTreeMapQuit", "q")
+call s:initVariable("g:NERDTreeMapRefresh", "r")
+call s:initVariable("g:NERDTreeMapRefreshRoot", "R")
+call s:initVariable("g:NERDTreeMapToggleBookmarks", "B")
+call s:initVariable("g:NERDTreeMapToggleFiles", "F")
+call s:initVariable("g:NERDTreeMapToggleFilters", "f")
+call s:initVariable("g:NERDTreeMapToggleHidden", "I")
+call s:initVariable("g:NERDTreeMapToggleZoom", "A")
+call s:initVariable("g:NERDTreeMapUpdir", "u")
+call s:initVariable("g:NERDTreeMapUpdirKeepOpen", "U")
+
+"SECTION: Script level variable declaration{{{2
+if s:running_windows
+ let s:escape_chars = " `\|\"#%&,?()\*^<>"
+else
+ let s:escape_chars = " \\`\|\"#%&,?()\*^<>[]"
+endif
+let s:NERDTreeBufName = 'NERD_tree_'
+
+let s:tree_wid = 2
+let s:tree_markup_reg = '^[ `|]*[\-+~▾▸ ]\+'
+let s:tree_up_dir_line = '.. (up a dir)'
+
+"the number to add to the nerd tree buffer name to make the buf name unique
+let s:next_buffer_number = 1
+
+" SECTION: Commands {{{1
+"============================================================
+"init the command that users start the nerd tree with
+command! -n=? -complete=dir -bar NERDTree :call s:initNerdTree('<args>')
+command! -n=? -complete=dir -bar NERDTreeToggle :call s:toggle('<args>')
+command! -n=0 -bar NERDTreeClose :call s:closeTreeIfOpen()
+command! -n=1 -complete=customlist,s:completeBookmarks -bar NERDTreeFromBookmark call s:initNerdTree('<args>')
+command! -n=0 -bar NERDTreeMirror call s:initNerdTreeMirror()
+command! -n=0 -bar NERDTreeFind call s:findAndRevealPath()
+" SECTION: Auto commands {{{1
+"============================================================
+augroup NERDTree
+ "Save the cursor position whenever we close the nerd tree
+ exec "autocmd BufWinLeave ". s:NERDTreeBufName ."* call <SID>saveScreenState()"
+
+ "disallow insert mode in the NERDTree
+ exec "autocmd BufEnter ". s:NERDTreeBufName ."* stopinsert"
+
+ "cache bookmarks when vim loads
+ autocmd VimEnter * call s:Bookmark.CacheBookmarks(0)
+
+ "load all nerdtree plugins after vim starts
+ autocmd VimEnter * runtime! nerdtree_plugin/**/*.vim
+augroup END
+
+if g:NERDTreeHijackNetrw
+ augroup NERDTreeHijackNetrw
+ autocmd VimEnter * silent! autocmd! FileExplorer
+ au BufEnter,VimEnter * call s:checkForBrowse(expand("<amatch>"))
+ augroup END
+endif
+
+"SECTION: Classes {{{1
+"============================================================
+"CLASS: Bookmark {{{2
+"============================================================
+let s:Bookmark = {}
+" FUNCTION: Bookmark.activate() {{{3
+function! s:Bookmark.activate()
+ if self.path.isDirectory
+ call self.toRoot()
+ else
+ if self.validate()
+ let n = s:TreeFileNode.New(self.path)
+ call n.open()
+ call s:closeTreeIfQuitOnOpen()
+ endif
+ endif
+endfunction
+" FUNCTION: Bookmark.AddBookmark(name, path) {{{3
+" 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))
+ call s:Bookmark.Sort()
+endfunction
+" Function: Bookmark.Bookmarks() {{{3
+" 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) {{{3
+" 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) {{{3
+" Class method to get the bookmark that has the given name. {} is return if no
+" bookmark is found
+function! s:Bookmark.BookmarkFor(name)
+ for i in s:Bookmark.Bookmarks()
+ if i.name ==# a:name
+ return i
+ endif
+ endfor
+ throw "NERDTree.BookmarkNotFoundError: no bookmark found for name: \"". a:name .'"'
+endfunction
+" Function: Bookmark.BookmarkNames() {{{3
+" 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) {{{3
+" Class method to read all bookmarks from the bookmarks file intialize
+" 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', '')
+
+ try
+ let bookmark = s:Bookmark.New(name, s:Path.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 s:echo(invalidBookmarksFound . " invalid bookmarks were read. See :help NERDTreeInvalidBookmarks for info.")
+ endif
+ endif
+ call s:Bookmark.Sort()
+ endif
+endfunction
+" FUNCTION: Bookmark.compareTo(otherbookmark) {{{3
+" Compare these two bookmarks for sorting purposes
+function! s:Bookmark.compareTo(otherbookmark)
+ return a:otherbookmark.name < self.name
+endfunction
+" FUNCTION: Bookmark.ClearAll() {{{3
+" 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() {{{3
+" 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()
+ let node = {}
+ try
+ let node = self.getNode(1)
+ catch /^NERDTree.BookmarkedNodeNotFoundError/
+ endtry
+ call remove(s:Bookmark.Bookmarks(), index(s:Bookmark.Bookmarks(), self))
+ if !empty(node)
+ call node.path.cacheDisplayString()
+ endif
+ call s:Bookmark.Write()
+endfunction
+" FUNCTION: Bookmark.getNode(searchFromAbsoluteRoot) {{{3
+" Gets the treenode for this bookmark
+"
+" Args:
+" searchFromAbsoluteRoot: specifies whether we should search from the current
+" tree root, or the highest cached node
+function! s:Bookmark.getNode(searchFromAbsoluteRoot)
+ let searchRoot = a:searchFromAbsoluteRoot ? s:TreeDirNode.AbsoluteTreeRoot() : b:NERDTreeRoot
+ let targetNode = searchRoot.findNode(self.path)
+ if empty(targetNode)
+ throw "NERDTree.BookmarkedNodeNotFoundError: no node was found for bookmark: " . self.name
+ endif
+ return targetNode
+endfunction
+" FUNCTION: Bookmark.GetNodeForName(name, searchFromAbsoluteRoot) {{{3
+" Class method that finds the bookmark with the given name and returns the
+" treenode for it.
+function! s:Bookmark.GetNodeForName(name, searchFromAbsoluteRoot)
+ let bookmark = s:Bookmark.BookmarkFor(a:name)
+ return bookmark.getNode(a:searchFromAbsoluteRoot)
+endfunction
+" FUNCTION: Bookmark.GetSelected() {{{3
+" 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() {{{3
+" 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() {{{3
+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) {{{3
+" 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.openInNewTab(options) {{{3
+" Create a new bookmark object with the given name and path object
+function! s:Bookmark.openInNewTab(options)
+ let currentTab = tabpagenr()
+ if self.path.isDirectory
+ tabnew
+ call s:initNerdTree(self.name)
+ else
+ exec "tabedit " . self.path.str({'format': 'Edit'})
+ endif
+
+ if has_key(a:options, 'stayInCurrentTab')
+ exec "tabnext " . currentTab
+ endif
+endfunction
+" Function: Bookmark.setPath(path) {{{3
+" makes this bookmark point to the given path
+function! s:Bookmark.setPath(path)
+ let self.path = a:path
+endfunction
+" Function: Bookmark.Sort() {{{3
+" Class method that sorts all bookmarks
+function! s:Bookmark.Sort()
+ let CompareFunc = function("s:compareBookmarks")
+ call sort(s:Bookmark.Bookmarks(), CompareFunc)
+endfunction
+" Function: Bookmark.str() {{{3
+" Get the string that should be rendered in the view for this bookmark
+function! s:Bookmark.str()
+ let pathStrMaxLen = winwidth(s:getTreeWinNum()) - 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() {{{3
+" Make the node for this bookmark the new tree root
+function! s:Bookmark.toRoot()
+ if self.validate()
+ try
+ let targetNode = self.getNode(1)
+ catch /^NERDTree.BookmarkedNodeNotFoundError/
+ let targetNode = s:TreeFileNode.New(s:Bookmark.BookmarkFor(self.name).path)
+ endtry
+ call targetNode.makeRoot()
+ call s:renderView()
+ call targetNode.putCursorHere(0, 0)
+ endif
+endfunction
+" FUNCTION: Bookmark.ToRoot(name) {{{3
+" Make the node for this bookmark the new tree root
+function! s:Bookmark.ToRoot(name)
+ let bookmark = s:Bookmark.BookmarkFor(a:name)
+ call bookmark.toRoot()
+endfunction
+
+
+"FUNCTION: Bookmark.validate() {{{3
+function! s:Bookmark.validate()
+ if self.path.exists()
+ return 1
+ else
+ call s:Bookmark.CacheBookmarks(1)
+ call s:renderView()
+ call s:echo(self.name . "now points to an invalid location. See :help NERDTreeInvalidBookmarks for info.")
+ return 0
+ endif
+endfunction
+
+" Function: Bookmark.Write() {{{3
+" 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 . ' ' . 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
+"CLASS: KeyMap {{{2
+"============================================================
+let s:KeyMap = {}
+"FUNCTION: KeyMap.All() {{{3
+function! s:KeyMap.All()
+ if !exists("s:keyMaps")
+ let s:keyMaps = []
+ endif
+ return s:keyMaps
+endfunction
+
+"FUNCTION: KeyMap.BindAll() {{{3
+function! s:KeyMap.BindAll()
+ for i in s:KeyMap.All()
+ call i.bind()
+ endfor
+endfunction
+
+"FUNCTION: KeyMap.bind() {{{3
+function! s:KeyMap.bind()
+ exec "nnoremap <silent> <buffer> ". self.key ." :call ". self.callback ."()<cr>"
+endfunction
+
+"FUNCTION: KeyMap.Create(options) {{{3
+function! s:KeyMap.Create(options)
+ let newKeyMap = copy(self)
+ let newKeyMap.key = a:options['key']
+ let newKeyMap.quickhelpText = a:options['quickhelpText']
+ let newKeyMap.callback = a:options['callback']
+ call add(s:KeyMap.All(), newKeyMap)
+endfunction
+"CLASS: MenuController {{{2
+"============================================================
+let s:MenuController = {}
+"FUNCTION: MenuController.New(menuItems) {{{3
+"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() {{{3
+"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() {{{3
+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) {{{3
+"get the MenuItem that is curently selected
+function! s:MenuController._current()
+ return self.menuItems[self.selection]
+endfunction
+
+"FUNCTION: MenuController._handleKeypress(key) {{{3
+"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) {{{3
+"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) {{{3
+"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() {{{3
+"sets &cmdheight to whatever is needed to display the menu
+function! s:MenuController._setCmdheight()
+ let &cmdheight = len(self.menuItems) + 3
+endfunction
+
+"FUNCTION: MenuController._saveOptions() {{{3
+"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() {{{3
+"restore the options we saved in _saveOptions()
+function! s:MenuController._restoreOptions()
+ let &cmdheight = self._oldCmdheight
+ let &lazyredraw = self._oldLazyredraw
+endfunction
+
+"FUNCTION: MenuController._cursorDown() {{{3
+"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() {{{3
+"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
+
+"CLASS: MenuItem {{{2
+"============================================================
+let s:MenuItem = {}
+"FUNCTION: MenuItem.All() {{{3
+"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() {{{3
+"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) {{{3
+"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) {{{3
+"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) {{{3
+"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() {{{3
+"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() {{{3
+"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 = s:MenuController.New(self.children)
+ call mc.showMenu()
+ else
+ if self.callback != -1
+ call {self.callback}()
+ endif
+ endif
+endfunction
+
+"FUNCTION: MenuItem.isSeparator() {{{3
+"return 1 if this menuitem is a separator
+function! s:MenuItem.isSeparator()
+ return self.callback == -1 && self.children == []
+endfunction
+
+"FUNCTION: MenuItem.isSubmenu() {{{3
+"return 1 if this menuitem is a submenu
+function! s:MenuItem.isSubmenu()
+ return self.callback == -1 && !empty(self.children)
+endfunction
+
+"CLASS: TreeFileNode {{{2
+"This class is the parent of the TreeDirNode class and constitures the
+"'Component' part of the composite design pattern between the treenode
+"classes.
+"============================================================
+let s:TreeFileNode = {}
+"FUNCTION: TreeFileNode.activate(forceKeepWinOpen) {{{3
+function! s:TreeFileNode.activate(forceKeepWinOpen)
+ call self.open()
+ if !a:forceKeepWinOpen
+ call s:closeTreeIfQuitOnOpen()
+ end
+endfunction
+"FUNCTION: TreeFileNode.bookmark(name) {{{3
+"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 = s:Bookmark.GetNodeForName(a:name, 1)
+ catch /^NERDTree.BookmarkNotFoundError/
+ catch /^NERDTree.BookmarkedNodeNotFoundError/
+ endtry
+
+ call s:Bookmark.AddBookmark(a:name, self.path)
+ call self.path.cacheDisplayString()
+ call s:Bookmark.Write()
+
+ if !empty(oldMarkedNode)
+ call oldMarkedNode.path.cacheDisplayString()
+ endif
+endfunction
+"FUNCTION: TreeFileNode.cacheParent() {{{3
+"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)
+ endif
+endfunction
+"FUNCTION: TreeFileNode.compareNodes {{{3
+"This is supposed to be a class level method but i cant figure out how to
+"get func refs to work from a dict..
+"
+"A class level method that compares two nodes
+"
+"Args:
+"n1, n2: the 2 nodes to compare
+function! s:compareNodes(n1, n2)
+ return a:n1.path.compareTo(a:n2.path)
+endfunction
+
+"FUNCTION: TreeFileNode.clearBoomarks() {{{3
+function! s:TreeFileNode.clearBoomarks()
+ for i in s:Bookmark.Bookmarks()
+ if i.path.equals(self.path)
+ call i.delete()
+ end
+ endfor
+ call self.path.cacheDisplayString()
+endfunction
+"FUNCTION: TreeFileNode.copy(dest) {{{3
+function! s:TreeFileNode.copy(dest)
+ call self.path.copy(a:dest)
+ let newPath = s:Path.New(a:dest)
+ let parent = b:NERDTreeRoot.findNode(newPath.getParent())
+ if !empty(parent)
+ call parent.refresh()
+ return parent.findNode(newPath)
+ else
+ return {}
+ endif
+endfunction
+
+"FUNCTION: TreeFileNode.delete {{{3
+"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() {{{3
+"
+"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.displayString()
+endfunction
+
+"FUNCTION: TreeFileNode.equals(treenode) {{{3
+"
+"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) {{{3
+"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) {{{3
+"
+"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) {{{3
+"
+"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() ==# 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.getLineNum(){{{3
+"returns the line number this node is rendered on, or -1 if it isnt rendered
+function! s:TreeFileNode.getLineNum()
+ "if the node is the root then return the root line no.
+ if self.isRoot()
+ return s:TreeFileNode.GetRootLineNum()
+ endif
+
+ let totalLines = line("$")
+
+ "the path components we have matched so far
+ let pathcomponents = [substitute(b:NERDTreeRoot.path.str({'format': 'UI'}), '/ *$', '', '')]
+ "the index of the component we are searching for
+ let curPathComponent = 1
+
+ let fullpath = self.path.str({'format': 'UI'})
+
+
+ let lnum = s:TreeFileNode.GetRootLineNum()
+ while lnum > 0
+ let lnum = lnum + 1
+ "have we reached the bottom of the tree?
+ if lnum ==# totalLines+1
+ return -1
+ endif
+
+ let curLine = getline(lnum)
+
+ let indent = s:indentLevelFor(curLine)
+ if indent ==# curPathComponent
+ let curLine = s:stripMarkupFromLine(curLine, 1)
+
+ let curPath = join(pathcomponents, '/') . '/' . curLine
+ if stridx(fullpath, curPath, 0) ==# 0
+ if fullpath ==# curPath || strpart(fullpath, len(curPath)-1,1) ==# '/'
+ let curLine = substitute(curLine, '/ *$', '', '')
+ call add(pathcomponents, curLine)
+ let curPathComponent = curPathComponent + 1
+
+ if fullpath ==# curPath
+ return lnum
+ endif
+ endif
+ endif
+ endif
+ endwhile
+ return -1
+endfunction
+
+"FUNCTION: TreeFileNode.GetRootForTab(){{{3
+"get the root node for this tab
+function! s:TreeFileNode.GetRootForTab()
+ if s:treeExistsForTab()
+ return getbufvar(t:NERDTreeBufName, 'NERDTreeRoot')
+ end
+ return {}
+endfunction
+"FUNCTION: TreeFileNode.GetRootLineNum(){{{3
+"gets the line number of the root node
+function! s:TreeFileNode.GetRootLineNum()
+ let rootLine = 1
+ while getline(rootLine) !~# '^\(/\|<\)'
+ let rootLine = rootLine + 1
+ endwhile
+ return rootLine
+endfunction
+
+"FUNCTION: TreeFileNode.GetSelected() {{{3
+"gets the treenode that the cursor is currently over
+function! s:TreeFileNode.GetSelected()
+ try
+ let path = s:getPath(line("."))
+ if path ==# {}
+ return {}
+ endif
+ return b:NERDTreeRoot.findNode(path)
+ catch /NERDTree/
+ return {}
+ endtry
+endfunction
+"FUNCTION: TreeFileNode.isVisible() {{{3
+"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()
+endfunction
+"FUNCTION: TreeFileNode.isRoot() {{{3
+"returns 1 if this node is b:NERDTreeRoot
+function! s:TreeFileNode.isRoot()
+ if !s:treeExistsForBuf()
+ throw "NERDTree.NoTreeError: No tree exists for the current buffer"
+ endif
+
+ return self.equals(b:NERDTreeRoot)
+endfunction
+
+"FUNCTION: TreeFileNode.makeRoot() {{{3
+"Make this node the root of the tree
+function! s:TreeFileNode.makeRoot()
+ if self.path.isDirectory
+ let b:NERDTreeRoot = self
+ else
+ call self.cacheParent()
+ let b:NERDTreeRoot = self.parent
+ endif
+
+ call b:NERDTreeRoot.open()
+
+ "change dir to the dir of the new root if instructed to
+ if g:NERDTreeChDirMode ==# 2
+ exec "cd " . b:NERDTreeRoot.path.str({'format': 'Edit'})
+ endif
+endfunction
+"FUNCTION: TreeFileNode.New(path) {{{3
+"Returns a new TreeNode object with the given path and parent
+"
+"Args:
+"path: a path object representing the full filesystem path to the file/dir that the node represents
+function! s:TreeFileNode.New(path)
+ if a:path.isDirectory
+ return s:TreeDirNode.New(a:path)
+ else
+ let newTreeNode = copy(self)
+ let newTreeNode.path = a:path
+ let newTreeNode.parent = {}
+ return newTreeNode
+ endif
+endfunction
+
+"FUNCTION: TreeFileNode.open() {{{3
+"Open the file represented by the given node in the current window, splitting
+"the window if needed
+"
+"ARGS:
+"treenode: file node to open
+function! s:TreeFileNode.open()
+ if b:NERDTreeType ==# "secondary"
+ exec 'edit ' . self.path.str({'format': 'Edit'})
+ return
+ endif
+
+ "if the file is already open in this tab then just stick the cursor in it
+ let winnr = bufwinnr('^' . self.path.str() . '$')
+ if winnr != -1
+ call s:exec(winnr . "wincmd w")
+
+ else
+ if !s:isWindowUsable(winnr("#")) && s:firstUsableWindow() ==# -1
+ call self.openSplit()
+ else
+ try
+ if !s:isWindowUsable(winnr("#"))
+ call s:exec(s:firstUsableWindow() . "wincmd w")
+ else
+ call s:exec('wincmd p')
+ endif
+ exec ("edit " . self.path.str({'format': 'Edit'}))
+ catch /^Vim\%((\a\+)\)\=:E37/
+ call s:putCursorInTreeWin()
+ throw "NERDTree.FileAlreadyOpenAndModifiedError: ". self.path.str() ." is already open and modified."
+ catch /^Vim\%((\a\+)\)\=:/
+ echo v:exception
+ endtry
+ endif
+ endif
+endfunction
+"FUNCTION: TreeFileNode.openSplit() {{{3
+"Open this node in a new window
+function! s:TreeFileNode.openSplit()
+
+ if b:NERDTreeType ==# "secondary"
+ exec "split " . self.path.str({'format': 'Edit'})
+ return
+ endif
+
+ " 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 s: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 " . self.path.str({'format': 'Edit'}))
+ catch /^Vim\%((\a\+)\)\=:E37/
+ call s:putCursorInTreeWin()
+ 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 s:exec(there)
+ exec("silent ". splitMode ." resize ". size)
+ call s:exec('wincmd p')
+ endif
+
+ " Restore splitmode settings
+ let &splitbelow=savesplitbelow
+ let &splitright=savesplitright
+endfunction
+"FUNCTION: TreeFileNode.openVSplit() {{{3
+"Open this node in a new vertical window
+function! s:TreeFileNode.openVSplit()
+ if b:NERDTreeType ==# "secondary"
+ exec "vnew " . self.path.str({'format': 'Edit'})
+ return
+ endif
+
+ let winwidth = winwidth(".")
+ if winnr("$")==#1
+ let winwidth = g:NERDTreeWinSize
+ endif
+
+ call s:exec("wincmd p")
+ exec "vnew " . self.path.str({'format': 'Edit'})
+
+ "resize the nerd tree back to the original size
+ call s:putCursorInTreeWin()
+ exec("silent vertical resize ". winwidth)
+ call s:exec('wincmd p')
+endfunction
+"FUNCTION: TreeFileNode.openInNewTab(options) {{{3
+function! s:TreeFileNode.openInNewTab(options)
+ let currentTab = tabpagenr()
+
+ if !has_key(a:options, 'keepTreeOpen')
+ call s:closeTreeIfQuitOnOpen()
+ endif
+
+ exec "tabedit " . self.path.str({'format': 'Edit'})
+
+ if has_key(a:options, 'stayInCurrentTab') && a:options['stayInCurrentTab']
+ exec "tabnext " . currentTab
+ endif
+
+endfunction
+"FUNCTION: TreeFileNode.putCursorHere(isJump, recurseUpward){{{3
+"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.getLineNum()
+ if ln != -1
+ if a:isJump
+ mark '
+ endif
+ call cursor(ln, col("."))
+ else
+ if a:recurseUpward
+ let node = self
+ while node != {} && node.getLineNum() ==# -1
+ let node = node.parent
+ call node.open()
+ endwhile
+ call s:renderView()
+ call node.putCursorHere(a:isJump, 0)
+ endif
+ endif
+endfunction
+
+"FUNCTION: TreeFileNode.refresh() {{{3
+function! s:TreeFileNode.refresh()
+ call self.path.refresh()
+endfunction
+"FUNCTION: TreeFileNode.rename() {{{3
+"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 = b:NERDTreeRoot.findNode(parentPath)
+
+ if newParent != {}
+ call newParent.createChild(self.path, 1)
+ call newParent.refresh()
+ endif
+endfunction
+"FUNCTION: TreeFileNode.renderToString {{{3
+"returns a string representation for this tree to be rendered in the view
+function! s:TreeFileNode.renderToString()
+ return self._renderToString(0, 0, [], self.getChildCount() ==# 1)
+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)
+"vertMap: a binary array that indicates whether a vertical bar should be draw
+"for each depth in the tree
+"isLastChild:true if this curNode is the last child of its parent
+function! s:TreeFileNode._renderToString(depth, drawText, vertMap, isLastChild)
+ let output = ""
+ if a:drawText ==# 1
+
+ let treeParts = ''
+
+ "get all the leading spaces and vertical tree parts for this line
+ if a:depth > 1
+ for j in a:vertMap[0:-2]
+ if g:NERDTreeDirArrows
+ let treeParts = treeParts . ' '
+ else
+ if j ==# 1
+ let treeParts = treeParts . '| '
+ else
+ let treeParts = treeParts . ' '
+ endif
+ endif
+ endfor
+ endif
+
+ "get the last vertical tree part for this line which will be different
+ "if this node is the last child of its parent
+ if !g:NERDTreeDirArrows
+ if a:isLastChild
+ let treeParts = treeParts . '`'
+ else
+ let treeParts = treeParts . '|'
+ endif
+ endif
+
+ "smack the appropriate dir/file symbol on the line before the file/dir
+ "name itself
+ if self.path.isDirectory
+ if self.isOpen
+ if g:NERDTreeDirArrows
+ let treeParts = treeParts . '▾ '
+ else
+ let treeParts = treeParts . '~'
+ endif
+ else
+ if g:NERDTreeDirArrows
+ let treeParts = treeParts . '▸ '
+ else
+ let treeParts = treeParts . '+'
+ endif
+ endif
+ else
+ if g:NERDTreeDirArrows
+ let treeParts = treeParts . ' '
+ else
+ let treeParts = treeParts . '-'
+ endif
+ 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 len(childNodesToDraw) > 0
+
+ "draw all the nodes children except the last
+ let lastIndx = len(childNodesToDraw)-1
+ if lastIndx > 0
+ for i in childNodesToDraw[0:lastIndx-1]
+ let output = output . i._renderToString(a:depth + 1, 1, add(copy(a:vertMap), 1), 0)
+ endfor
+ endif
+
+ "draw the last child, indicating that it IS the last
+ let output = output . childNodesToDraw[lastIndx]._renderToString(a:depth + 1, 1, add(copy(a:vertMap), 0), 1)
+ endif
+ endif
+
+ return output
+endfunction
+"CLASS: TreeDirNode {{{2
+"This class is a child of the TreeFileNode class and constitutes the
+"'Composite' part of the composite design pattern between the treenode
+"classes.
+"============================================================
+let s:TreeDirNode = copy(s:TreeFileNode)
+"FUNCTION: TreeDirNode.AbsoluteTreeRoot(){{{3
+"class method that returns the highest cached ancestor of the current root
+function! s:TreeDirNode.AbsoluteTreeRoot()
+ let currentNode = b:NERDTreeRoot
+ while currentNode.parent != {}
+ let currentNode = currentNode.parent
+ endwhile
+ return currentNode
+endfunction
+"FUNCTION: TreeDirNode.activate(forceKeepWinOpen) {{{3
+unlet s:TreeDirNode.activate
+function! s:TreeDirNode.activate(forceKeepWinOpen)
+ call self.toggleOpen()
+ call s:renderView()
+ call self.putCursorHere(0, 0)
+endfunction
+"FUNCTION: TreeDirNode.addChild(treenode, inOrder) {{{3
+"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() {{{3
+"Closes this directory
+function! s:TreeDirNode.close()
+ let self.isOpen = 0
+endfunction
+
+"FUNCTION: TreeDirNode.closeChildren() {{{3
+"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) {{{3
+"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 = s:TreeFileNode.New(a:path)
+ call self.addChild(newTreeNode, a:inOrder)
+ return newTreeNode
+endfunction
+
+"FUNCTION: TreeDirNode.findNode(path) {{{3
+"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.getChildCount() {{{3
+"Returns the number of children this node has
+function! s:TreeDirNode.getChildCount()
+ return len(self.children)
+endfunction
+
+"FUNCTION: TreeDirNode.getChild(path) {{{3
+"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) {{{3
+"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) {{{3
+"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.GetSelected() {{{3
+"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 = s:TreeFileNode.GetSelected()
+ if currentDir != {} && !currentDir.isRoot()
+ if currentDir.path.isDirectory ==# 0
+ let currentDir = currentDir.parent
+ endif
+ endif
+ return currentDir
+endfunction
+"FUNCTION: TreeDirNode.getVisibleChildCount() {{{3
+"Returns the number of visible children this node has
+function! s:TreeDirNode.getVisibleChildCount()
+ return len(self.getVisibleChildren())
+endfunction
+
+"FUNCTION: TreeDirNode.getVisibleChildren() {{{3
+"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() ==# 0
+ call add(toReturn, i)
+ endif
+ endfor
+ return toReturn
+endfunction
+
+"FUNCTION: TreeDirNode.hasVisibleChildren() {{{3
+"returns 1 if this node has any childre, 0 otherwise..
+function! s:TreeDirNode.hasVisibleChildren()
+ return self.getVisibleChildCount() != 0
+endfunction
+
+"FUNCTION: TreeDirNode._initChildren() {{{3
+"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
+ let globDir = dir.str({'format': 'Glob'})
+ let filesStr = globpath(globDir, '*') . "\n" . globpath(globDir, '.*')
+ let files = split(filesStr, "\n")
+
+ if !a:silent && len(files) > g:NERDTreeNotificationThreshold
+ call s: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 ../ cos sometimes the globpath returns
+ "../ for path with strange chars (eg $)
+ if i !~# '\/\.\.\/\?$' && i !~# '\/\.\/\?$'
+
+ "put the next file in a new node and attach it
+ try
+ let path = s:Path.New(i)
+ call self.createChild(path, 0)
+ catch /^NERDTree.\(InvalidArguments\|InvalidFiletype\)Error/
+ let invalidFilesFound += 1
+ endtry
+ endif
+ endfor
+
+ call self.sortChildren()
+
+ if !a:silent && len(files) > g:NERDTreeNotificationThreshold
+ call s:echo("Please wait, caching a large dir ... DONE (". self.getChildCount() ." nodes cached).")
+ endif
+
+ if invalidFilesFound
+ call s:echoWarning(invalidFilesFound . " file(s) could not be loaded into the NERD tree")
+ endif
+ return self.getChildCount()
+endfunction
+"FUNCTION: TreeDirNode.New(path) {{{3
+"Returns a new TreeNode object with the given path and parent
+"
+"Args:
+"path: a path object representing the full filesystem path to the file/dir that the node represents
+unlet s:TreeDirNode.New
+function! s:TreeDirNode.New(path)
+ 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 = {}
+
+ return newTreeNode
+endfunction
+"FUNCTION: TreeDirNode.open() {{{3
+"Reads in all this nodes children
+"
+"Return: the number of child nodes read
+unlet s:TreeDirNode.open
+function! s:TreeDirNode.open()
+ let self.isOpen = 1
+ if self.children ==# []
+ return self._initChildren(0)
+ else
+ return 0
+ endif
+endfunction
+
+" FUNCTION: TreeDirNode.openExplorer() {{{3
+" opens an explorer window for this node in the previous window (could be a
+" nerd tree or a netrw)
+function! s:TreeDirNode.openExplorer()
+ let oldwin = winnr()
+ call s:exec('wincmd p')
+ if oldwin ==# winnr() || (&modified && s:bufInWindows(winbufnr(winnr())) < 2)
+ call s:exec('wincmd p')
+ call self.openSplit()
+ else
+ exec ("silent edit " . self.path.str({'format': 'Edit'}))
+ endif
+endfunction
+"FUNCTION: TreeDirNode.openInNewTab(options) {{{3
+unlet s:TreeDirNode.openInNewTab
+function! s:TreeDirNode.openInNewTab(options)
+ let currentTab = tabpagenr()
+
+ if !has_key(a:options, 'keepTreeOpen') || !a:options['keepTreeOpen']
+ call s:closeTreeIfQuitOnOpen()
+ endif
+
+ tabnew
+ call s:initNerdTree(self.path.str())
+
+ if has_key(a:options, 'stayInCurrentTab') && a:options['stayInCurrentTab']
+ exec "tabnext " . currentTab
+ endif
+endfunction
+"FUNCTION: TreeDirNode.openRecursively() {{{3
+"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() {{{3
+"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() ==# 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() {{{3
+unlet s:TreeDirNode.refresh
+function! s:TreeDirNode.refresh()
+ call self.path.refresh()
+
+ "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 = 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 !~# '\/\.\/\?$'
+
+ try
+ "create a new path and see if it exists in this nodes children
+ let path = s:Path.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 = s:TreeFileNode.New(path)
+ let newNode.parent = self
+ call add(newChildNodes, newNode)
+ endif
+
+
+ catch /^NERDTree.InvalidArgumentsError/
+ 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 s:echoWarning("some files could not be loaded into the NERD tree")
+ endif
+ endif
+endfunction
+
+"FUNCTION: TreeDirNode.reveal(path) {{{3
+"reveal the given path, i.e. cache and open all treenodes needed to display it
+"in the UI
+function! s:TreeDirNode.reveal(path)
+ 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)
+ call s:renderView()
+ call n.putCursorHere(1,0)
+ return
+ endif
+
+ let p = a:path
+ while !p.getParent().equals(self.path)
+ let p = p.getParent()
+ endwhile
+
+ let n = self.findNode(p)
+ call n.reveal(a:path)
+endfunction
+"FUNCTION: TreeDirNode.removeChild(treenode) {{{3
+"
+"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() {{{3
+"
+"Sorts the children of this node according to alphabetical order and the
+"directory priority.
+"
+function! s:TreeDirNode.sortChildren()
+ let CompareFunc = function("s:compareNodes")
+ call sort(self.children, CompareFunc)
+endfunction
+
+"FUNCTION: TreeDirNode.toggleOpen() {{{3
+"Opens this directory if it is closed and vice versa
+function! s:TreeDirNode.toggleOpen()
+ if self.isOpen ==# 1
+ call self.close()
+ else
+ call self.open()
+ endif
+endfunction
+
+"FUNCTION: TreeDirNode.transplantChild(newNode) {{{3
+"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
+"============================================================
+"CLASS: Path {{{2
+"============================================================
+let s:Path = {}
+"FUNCTION: Path.AbsolutePathFor(str) {{{3
+function! s:Path.AbsolutePathFor(str)
+ let prependCWD = 0
+ if s:running_windows
+ let prependCWD = 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() {{{3
+function! s:Path.bookmarkNames()
+ if !exists("self._bookmarkNames")
+ call self.cacheDisplayString()
+ endif
+ return self._bookmarkNames
+endfunction
+"FUNCTION: Path.cacheDisplayString() {{{3
+function! s:Path.cacheDisplayString()
+ let self.cachedDisplayString = self.getLastPathComponent(1)
+
+ if self.isExecutable
+ let self.cachedDisplayString = self.cachedDisplayString . '*'
+ endif
+
+ let self._bookmarkNames = []
+ for i in s:Bookmark.Bookmarks()
+ if i.path.equals(self)
+ call add(self._bookmarkNames, i.name)
+ endif
+ endfor
+ if !empty(self._bookmarkNames)
+ let self.cachedDisplayString .= ' {' . join(self._bookmarkNames) . '}'
+ endif
+
+ if self.isSymLink
+ let self.cachedDisplayString .= ' -> ' . self.symLinkDest
+ endif
+
+ if self.isReadOnly
+ let self.cachedDisplayString .= ' [RO]'
+ endif
+endfunction
+"FUNCTION: Path.changeToDir() {{{3
+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 s:echo("CWD is now: " . getcwd())
+ catch
+ throw "NERDTree.PathChangeError: cannot change CWD to " . dir
+ endtry
+endfunction
+
+"FUNCTION: Path.compareTo() {{{3
+"
+"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 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) {{{3
+"
+"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 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) {{{3
+"
+"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
+
+ let dest = s:Path.WinToUnixPath(a:dest)
+
+ let cmd = g:NERDTreeCopyCmd . " " . escape(self.str(), s:escape_chars) . " " . escape(dest, s:escape_chars)
+ let success = system(cmd)
+ if success != 0
+ throw "NERDTree.CopyError: Could not copy ''". self.str() ."'' to: '" . a:dest . "'"
+ endif
+endfunction
+
+"FUNCTION: Path.CopyingSupported() {{{3
+"
+"returns 1 if copying is supported for this OS
+function! s:Path.CopyingSupported()
+ return exists('g:NERDTreeCopyCmd')
+endfunction
+
+
+"FUNCTION: Path.copyingWillOverwrite(dest) {{{3
+"
+"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.delete() {{{3
+"
+"Deletes the file represented by this path.
+"Deletion of directories is not supported
+"
+"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 = s:Bookmark.BookmarkFor(i)
+ call bookmark.delete()
+ endfor
+endfunction
+
+"FUNCTION: Path.displayString() {{{3
+"
+"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.extractDriveLetter(fullpath) {{{3
+"
+"If running windows, cache the drive letter for this path
+function! s:Path.extractDriveLetter(fullpath)
+ if s:running_windows
+ let self.drive = substitute(a:fullpath, '\(^[a-zA-Z]:\).*', '\1', '')
+ else
+ let self.drive = ''
+ endif
+
+endfunction
+"FUNCTION: Path.exists() {{{3
+"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.getDir() {{{3
+"
+"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() {{{3
+"
+"Returns a new path object for this paths parent
+"
+"Return:
+"a new Path object
+function! s:Path.getParent()
+ if s:running_windows
+ 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) {{{3
+"
+"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() {{{3
+"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.ignore() {{{3
+"returns true if this path should be ignored
+function! s:Path.ignore()
+ let lastPathComponent = self.getLastPathComponent(0)
+
+ "filter out the user specified paths to ignore
+ if b:NERDTreeIgnoreEnabled
+ for i in g:NERDTreeIgnore
+ if lastPathComponent =~# i
+ return 1
+ endif
+ endfor
+ endif
+
+ "dont show hidden files unless instructed to
+ if b:NERDTreeShowHidden ==# 0 && lastPathComponent =~# '^\.'
+ return 1
+ endif
+
+ if b:NERDTreeShowFiles ==# 0 && self.isDirectory ==# 0
+ return 1
+ endif
+
+ return 0
+endfunction
+
+"FUNCTION: Path.isUnder(path) {{{3
+"return 1 if this path is somewhere under the given path in the filesystem.
+"
+"a:path should be a dir
+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(...) {{{3
+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() {{{3
+"
+"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() {{{3
+"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 = ""
+
+ return newPath
+endfunction
+
+"FUNCTION: Path.Slash() {{{3
+"return the slash to use for the current OS
+function! s:Path.Slash()
+ return s:running_windows ? '\' : '/'
+endfunction
+
+"FUNCTION: Path.readInfoFromDisk(fullpath) {{{3
+"
+"
+"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 = split(fullpath, '/')
+
+ 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 = resolve(self.strTrunk()) . '/' . lastPathComponent
+
+ "if the last part of the path is a symlink then flag it as such
+ let self.isSymLink = (resolve(hardPath) != hardPath)
+ if self.isSymLink
+ let self.symLinkDest = 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() {{{3
+function! s:Path.refresh()
+ call self.readInfoFromDisk(self.str())
+ call self.cacheDisplayString()
+endfunction
+
+"FUNCTION: Path.rename() {{{3
+"
+"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 = s:Bookmark.BookmarkFor(i)
+ call b.setPath(copy(self))
+ endfor
+ call s:Bookmark.Write()
+endfunction
+
+"FUNCTION: Path.str() {{{3
+"
+"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
+ raise 'NERDTree.UnknownFormatError: unknown format "'. format .'"'
+ endif
+ else
+ let toReturn = self._str()
+ endif
+
+ if has_key(options, 'escape') && options['escape']
+ let toReturn = shellescape(toReturn)
+ endif
+
+ if has_key(options, 'truncateTo')
+ let limit = options['truncateTo']
+ if len(toReturn) > limit
+ let toReturn = "<" . strpart(toReturn, len(toReturn) - limit + 1)
+ endif
+ endif
+
+ return toReturn
+endfunction
+
+"FUNCTION: Path._strForUI() {{{3
+function! s:Path._strForUI()
+ let toReturn = '/' . join(self.pathSegments, '/')
+ if self.isDirectory && toReturn != '/'
+ let toReturn = toReturn . '/'
+ endif
+ return toReturn
+endfunction
+
+"FUNCTION: Path._strForCd() {{{3
+"
+" returns a string that can be used with :cd
+function! s:Path._strForCd()
+ return escape(self.str(), s:escape_chars)
+endfunction
+"FUNCTION: Path._strForEdit() {{{3
+"
+"Return: the string for this path that is suitable to be used with the :edit
+"command
+function! s:Path._strForEdit()
+ let p = self.str({'format': 'UI'})
+ let cwd = getcwd()
+
+ if s:running_windows
+ let p = tolower(self.str())
+ let cwd = tolower(getcwd())
+ endif
+
+ let p = escape(p, s:escape_chars)
+
+ let cwd = cwd . s:Path.Slash()
+
+ "return a relative path if we can
+ if stridx(p, cwd) ==# 0
+ let p = strpart(p, strlen(cwd))
+ endif
+
+ if p ==# ''
+ let p = '.'
+ endif
+
+ return p
+
+endfunction
+"FUNCTION: Path._strForGlob() {{{3
+function! s:Path._strForGlob()
+ let lead = s:Path.Slash()
+
+ "if we are running windows then slap a drive letter on the front
+ if s:running_windows
+ let lead = self.drive . '\'
+ endif
+
+ let toReturn = lead . join(self.pathSegments, s:Path.Slash())
+
+ if !s:running_windows
+ let toReturn = escape(toReturn, s:escape_chars)
+ endif
+ return toReturn
+endfunction
+"FUNCTION: Path._str() {{{3
+"
+"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 s:running_windows
+ let lead = self.drive . '\'
+ endif
+
+ return lead . join(self.pathSegments, s:Path.Slash())
+endfunction
+
+"FUNCTION: Path.strTrunk() {{{3
+"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.WinToUnixPath(pathstr){{{3
+"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 !s:running_windows
+ return a:pathstr
+ endif
+
+ let toReturn = a:pathstr
+
+ "remove the x:\ of the front
+ let toReturn = substitute(toReturn, '^.*:\(\\\|/\)\?', '/', "")
+
+ "convert all \ chars to /
+ let toReturn = substitute(toReturn, '\', '/', "g")
+
+ return toReturn
+endfunction
+
+" SECTION: General Functions {{{1
+"============================================================
+"FUNCTION: s:bufInWindows(bnum){{{2
+"[[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: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: s:checkForBrowse(dir) {{{2
+"inits a secondary nerd tree in the current buffer if appropriate
+function! s:checkForBrowse(dir)
+ if a:dir != '' && isdirectory(a:dir)
+ call s:initNerdTreeInPlace(a:dir)
+ endif
+endfunction
+"FUNCTION: s:compareBookmarks(first, second) {{{2
+"Compares two bookmarks
+function! s:compareBookmarks(first, second)
+ return a:first.compareTo(a:second)
+endfunction
+
+" FUNCTION: s:completeBookmarks(A,L,P) {{{2
+" completion function for the bookmark commands
+function! s:completeBookmarks(A,L,P)
+ return filter(s:Bookmark.BookmarkNames(), 'v:val =~# "^' . a:A . '"')
+endfunction
+" FUNCTION: s:exec(cmd) {{{2
+" same as :exec cmd but eventignore=all is set for the duration
+function! s:exec(cmd)
+ let old_ei = &ei
+ set ei=all
+ exec a:cmd
+ let &ei = old_ei
+endfunction
+" FUNCTION: s:findAndRevealPath() {{{2
+function! s:findAndRevealPath()
+ try
+ let p = s:Path.New(expand("%:p"))
+ catch /^NERDTree.InvalidArgumentsError/
+ call s:echo("no file for the current buffer")
+ return
+ endtry
+
+ if !s:treeExistsForTab()
+ call s:initNerdTree(p.getParent().str())
+ else
+ if !p.isUnder(s:TreeFileNode.GetRootForTab().path)
+ call s:initNerdTree(p.getParent().str())
+ else
+ if !s:isTreeOpen()
+ call s:toggle("")
+ endif
+ endif
+ endif
+ call s:putCursorInTreeWin()
+ call b:NERDTreeRoot.reveal(p)
+endfunction
+"FUNCTION: s:initNerdTree(name) {{{2
+"Initialise the nerd tree for this tab. The tree will start in either the
+"given directory, or the directory associated with the given bookmark
+"
+"Args:
+"name: the name of a bookmark or a directory
+function! s:initNerdTree(name)
+ let path = {}
+ if s:Bookmark.BookmarkExistsFor(a:name)
+ let path = s:Bookmark.BookmarkFor(a:name).path
+ else
+ let dir = a:name ==# '' ? getcwd() : a:name
+
+ "hack to get an absolute path if a relative path is given
+ if dir =~# '^\.'
+ let dir = getcwd() . s:Path.Slash() . dir
+ endif
+ let dir = resolve(dir)
+
+ try
+ let path = s:Path.New(dir)
+ catch /^NERDTree.InvalidArgumentsError/
+ call s:echo("No bookmark or directory found for: " . a:name)
+ return
+ endtry
+ endif
+ if !path.isDirectory
+ let path = path.getParent()
+ 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 s:treeExistsForTab()
+ if s:isTreeOpen()
+ call s:closeTree()
+ endif
+ unlet t:NERDTreeBufName
+ endif
+
+ let newRoot = s:TreeDirNode.New(path)
+ call newRoot.open()
+
+ call s:createTreeWin()
+ let b:treeShowHelp = 0
+ let b:NERDTreeIgnoreEnabled = 1
+ let b:NERDTreeShowFiles = g:NERDTreeShowFiles
+ let b:NERDTreeShowHidden = g:NERDTreeShowHidden
+ let b:NERDTreeShowBookmarks = g:NERDTreeShowBookmarks
+ let b:NERDTreeRoot = newRoot
+
+ let b:NERDTreeType = "primary"
+
+ call s:renderView()
+ call b:NERDTreeRoot.putCursorHere(0, 0)
+endfunction
+
+"FUNCTION: s:initNerdTreeInPlace(dir) {{{2
+function! s:initNerdTreeInPlace(dir)
+ try
+ let path = s:Path.New(a:dir)
+ catch /^NERDTree.InvalidArgumentsError/
+ call s: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 secondary tree buffer to ensure they are
+ "all independent
+ exec "silent edit " . s:nextBufferName()
+
+ let b:NERDTreePreviousBuf = bufnr(previousBuf)
+
+ let b:NERDTreeRoot = s:TreeDirNode.New(path)
+ call b:NERDTreeRoot.open()
+
+ "throwaway buffer options
+ setlocal noswapfile
+ setlocal buftype=nofile
+ setlocal bufhidden=hide
+ setlocal nowrap
+ setlocal foldcolumn=0
+ 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 s:setupStatusline()
+
+ let b:treeShowHelp = 0
+ let b:NERDTreeIgnoreEnabled = 1
+ let b:NERDTreeShowFiles = g:NERDTreeShowFiles
+ let b:NERDTreeShowHidden = g:NERDTreeShowHidden
+ let b:NERDTreeShowBookmarks = g:NERDTreeShowBookmarks
+
+ let b:NERDTreeType = "secondary"
+
+ call s:bindMappings()
+ setfiletype nerdtree
+ " syntax highlighting
+ if has("syntax") && exists("g:syntax_on")
+ call s:setupSyntaxHighlighting()
+ endif
+
+ call s:renderView()
+endfunction
+" FUNCTION: s:initNerdTreeMirror() {{{2
+function! s:initNerdTreeMirror()
+
+ "get the names off all the nerd tree buffers
+ let treeBufNames = []
+ for i in range(1, tabpagenr("$"))
+ let nextName = s:tabpagevar(i, 'NERDTreeBufName')
+ if nextName != -1 && (!exists("t:NERDTreeBufName") || nextName != t:NERDTreeBufName)
+ call add(treeBufNames, nextName)
+ endif
+ endfor
+ let treeBufNames = s:unique(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, "NERDTreeRoot")
+ 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 s:echo("No trees to mirror")
+ return
+ endif
+
+ if s:treeExistsForTab() && s:isTreeOpen()
+ call s:closeTree()
+ endif
+
+ let t:NERDTreeBufName = bufferName
+ call s:createTreeWin()
+ exec 'buffer ' . bufferName
+ if !&hidden
+ call s:renderView()
+ endif
+endfunction
+" FUNCTION: s:nextBufferName() {{{2
+" returns the buffer name for the next nerd tree
+function! s:nextBufferName()
+ let name = s:NERDTreeBufName . s:next_buffer_number
+ let s:next_buffer_number += 1
+ return name
+endfunction
+" FUNCTION: s:tabpagevar(tabnr, var) {{{2
+function! s: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:treeExistsForBuffer() {{{2
+" Returns 1 if a nerd tree root exists in the current buffer
+function! s:treeExistsForBuf()
+ return exists("b:NERDTreeRoot")
+endfunction
+" Function: s:treeExistsForTab() {{{2
+" Returns 1 if a nerd tree root exists in the current tab
+function! s:treeExistsForTab()
+ return exists("t:NERDTreeBufName")
+endfunction
+" Function: s:unique(list) {{{2
+" returns a:list without duplicates
+function! s:unique(list)
+ let uniqlist = []
+ for elem in a:list
+ if index(uniqlist, elem) ==# -1
+ let uniqlist += [elem]
+ endif
+ endfor
+ return uniqlist
+endfunction
+" SECTION: Public API {{{1
+"============================================================
+let g:NERDTreePath = s:Path
+let g:NERDTreeDirNode = s:TreeDirNode
+let g:NERDTreeFileNode = s:TreeFileNode
+let g:NERDTreeBookmark = s:Bookmark
+
+function! NERDTreeAddMenuItem(options)
+ call s:MenuItem.Create(a:options)
+endfunction
+
+function! NERDTreeAddMenuSeparator(...)
+ let opts = a:0 ? a:1 : {}
+ call s:MenuItem.CreateSeparator(opts)
+endfunction
+
+function! NERDTreeAddSubmenu(options)
+ return s:MenuItem.Create(a:options)
+endfunction
+
+function! NERDTreeAddKeyMap(options)
+ call s:KeyMap.Create(a:options)
+endfunction
+
+function! NERDTreeRender()
+ call s:renderView()
+endfunction
+
+" SECTION: View Functions {{{1
+"============================================================
+"FUNCTION: s:centerView() {{{2
+"centers the nerd tree window around the cursor (provided the nerd tree
+"options permit)
+function! s:centerView()
+ if g:NERDTreeAutoCenter
+ let current_line = winline()
+ let lines_to_top = current_line
+ let lines_to_bottom = winheight(s:getTreeWinNum()) - current_line
+ if lines_to_top < g:NERDTreeAutoCenterThreshold || lines_to_bottom < g:NERDTreeAutoCenterThreshold
+ normal! zz
+ endif
+ endif
+endfunction
+"FUNCTION: s:closeTree() {{{2
+"Closes the primary NERD tree window for this tab
+function! s:closeTree()
+ if !s:isTreeOpen()
+ throw "NERDTree.NoTreeFoundError: no NERDTree is open"
+ endif
+
+ if winnr("$") != 1
+ if winnr() == s:getTreeWinNum()
+ wincmd p
+ let bufnr = bufnr("")
+ wincmd p
+ else
+ let bufnr = bufnr("")
+ endif
+
+ call s:exec(s:getTreeWinNum() . " wincmd w")
+ close
+ call s:exec(bufwinnr(bufnr) . " wincmd w")
+ else
+ close
+ endif
+endfunction
+
+"FUNCTION: s:closeTreeIfOpen() {{{2
+"Closes the NERD tree window if it is open
+function! s:closeTreeIfOpen()
+ if s:isTreeOpen()
+ call s:closeTree()
+ endif
+endfunction
+"FUNCTION: s:closeTreeIfQuitOnOpen() {{{2
+"Closes the NERD tree window if the close on open option is set
+function! s:closeTreeIfQuitOnOpen()
+ if g:NERDTreeQuitOnOpen && s:isTreeOpen()
+ call s:closeTree()
+ endif
+endfunction
+"FUNCTION: s:createTreeWin() {{{2
+"Inits the NERD tree window. ie. opens it, sizes it, sets all the local
+"options etc
+function! s:createTreeWin()
+ "create the nerd tree window
+ let splitLocation = g:NERDTreeWinPos ==# "left" ? "topleft " : "botright "
+ let splitSize = g:NERDTreeWinSize
+
+ if !exists('t:NERDTreeBufName')
+ let t:NERDTreeBufName = s: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
+
+ "throwaway buffer options
+ setlocal noswapfile
+ setlocal buftype=nofile
+ setlocal nowrap
+ setlocal foldcolumn=0
+ 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 s:setupStatusline()
+
+ call s:bindMappings()
+ setfiletype nerdtree
+ " syntax highlighting
+ if has("syntax") && exists("g:syntax_on")
+ call s:setupSyntaxHighlighting()
+ endif
+endfunction
+
+"FUNCTION: s:dumpHelp {{{2
+"prints out the quick help
+function! s:dumpHelp()
+ let old_h = @h
+ if b:treeShowHelp ==# 1
+ let @h= "\" NERD tree (" . s:NERD_tree_version . ") quickhelp~\n"
+ let @h=@h."\" ============================\n"
+ let @h=@h."\" File node mappings~\n"
+ let @h=@h."\" ". (g:NERDTreeMouseMode ==# 3 ? "single" : "double") ."-click,\n"
+ let @h=@h."\" <CR>,\n"
+ if b:NERDTreeType ==# "primary"
+ let @h=@h."\" ". g:NERDTreeMapActivateNode .": open in prev window\n"
+ else
+ let @h=@h."\" ". g:NERDTreeMapActivateNode .": open in current window\n"
+ endif
+ if b:NERDTreeType ==# "primary"
+ let @h=@h."\" ". g:NERDTreeMapPreview .": preview\n"
+ endif
+ let @h=@h."\" ". g:NERDTreeMapOpenInTab.": open in new tab\n"
+ let @h=@h."\" ". g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n"
+ let @h=@h."\" middle-click,\n"
+ let @h=@h."\" ". g:NERDTreeMapOpenSplit .": open split\n"
+ let @h=@h."\" ". g:NERDTreeMapPreviewSplit .": preview split\n"
+ let @h=@h."\" ". g:NERDTreeMapOpenVSplit .": open vsplit\n"
+ let @h=@h."\" ". g:NERDTreeMapPreviewVSplit .": preview vsplit\n"
+
+ let @h=@h."\"\n\" ----------------------------\n"
+ let @h=@h."\" Directory node mappings~\n"
+ let @h=@h."\" ". (g:NERDTreeMouseMode ==# 1 ? "double" : "single") ."-click,\n"
+ let @h=@h."\" ". g:NERDTreeMapActivateNode .": open & close node\n"
+ let @h=@h."\" ". g:NERDTreeMapOpenRecursively .": recursively open node\n"
+ let @h=@h."\" ". g:NERDTreeMapCloseDir .": close parent of node\n"
+ let @h=@h."\" ". g:NERDTreeMapCloseChildren .": close all child nodes of\n"
+ let @h=@h."\" current node recursively\n"
+ let @h=@h."\" middle-click,\n"
+ let @h=@h."\" ". g:NERDTreeMapOpenExpl.": explore selected dir\n"
+
+ let @h=@h."\"\n\" ----------------------------\n"
+ let @h=@h."\" Bookmark table mappings~\n"
+ let @h=@h."\" double-click,\n"
+ let @h=@h."\" ". g:NERDTreeMapActivateNode .": open bookmark\n"
+ let @h=@h."\" ". g:NERDTreeMapOpenInTab.": open in new tab\n"
+ let @h=@h."\" ". g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n"
+ let @h=@h."\" ". g:NERDTreeMapDeleteBookmark .": delete bookmark\n"
+
+ let @h=@h."\"\n\" ----------------------------\n"
+ let @h=@h."\" Tree navigation mappings~\n"
+ let @h=@h."\" ". g:NERDTreeMapJumpRoot .": go to root\n"
+ let @h=@h."\" ". g:NERDTreeMapJumpParent .": go to parent\n"
+ let @h=@h."\" ". g:NERDTreeMapJumpFirstChild .": go to first child\n"
+ let @h=@h."\" ". g:NERDTreeMapJumpLastChild .": go to last child\n"
+ let @h=@h."\" ". g:NERDTreeMapJumpNextSibling .": go to next sibling\n"
+ let @h=@h."\" ". g:NERDTreeMapJumpPrevSibling .": go to prev sibling\n"
+
+ let @h=@h."\"\n\" ----------------------------\n"
+ let @h=@h."\" Filesystem mappings~\n"
+ let @h=@h."\" ". g:NERDTreeMapChangeRoot .": change tree root to the\n"
+ let @h=@h."\" selected dir\n"
+ let @h=@h."\" ". g:NERDTreeMapUpdir .": move tree root up a dir\n"
+ let @h=@h."\" ". g:NERDTreeMapUpdirKeepOpen .": move tree root up a dir\n"
+ let @h=@h."\" but leave old root open\n"
+ let @h=@h."\" ". g:NERDTreeMapRefresh .": refresh cursor dir\n"
+ let @h=@h."\" ". g:NERDTreeMapRefreshRoot .": refresh current root\n"
+ let @h=@h."\" ". g:NERDTreeMapMenu .": Show menu\n"
+ let @h=@h."\" ". g:NERDTreeMapChdir .":change the CWD to the\n"
+ let @h=@h."\" selected dir\n"
+
+ let @h=@h."\"\n\" ----------------------------\n"
+ let @h=@h."\" Tree filtering mappings~\n"
+ let @h=@h."\" ". g:NERDTreeMapToggleHidden .": hidden files (" . (b:NERDTreeShowHidden ? "on" : "off") . ")\n"
+ let @h=@h."\" ". g:NERDTreeMapToggleFilters .": file filters (" . (b:NERDTreeIgnoreEnabled ? "on" : "off") . ")\n"
+ let @h=@h."\" ". g:NERDTreeMapToggleFiles .": files (" . (b:NERDTreeShowFiles ? "on" : "off") . ")\n"
+ let @h=@h."\" ". g:NERDTreeMapToggleBookmarks .": bookmarks (" . (b:NERDTreeShowBookmarks ? "on" : "off") . ")\n"
+
+ "add quickhelp entries for each custom key map
+ if len(s:KeyMap.All())
+ let @h=@h."\"\n\" ----------------------------\n"
+ let @h=@h."\" Custom mappings~\n"
+ for i in s:KeyMap.All()
+ let @h=@h."\" ". i.key .": ". i.quickhelpText ."\n"
+ endfor
+ endif
+
+ let @h=@h."\"\n\" ----------------------------\n"
+ let @h=@h."\" Other mappings~\n"
+ let @h=@h."\" ". g:NERDTreeMapQuit .": Close the NERDTree window\n"
+ let @h=@h."\" ". g:NERDTreeMapToggleZoom .": Zoom (maximize-minimize)\n"
+ let @h=@h."\" the NERDTree window\n"
+ let @h=@h."\" ". g:NERDTreeMapHelp .": toggle help\n"
+ let @h=@h."\"\n\" ----------------------------\n"
+ let @h=@h."\" Bookmark commands~\n"
+ let @h=@h."\" :Bookmark <name>\n"
+ let @h=@h."\" :BookmarkToRoot <name>\n"
+ let @h=@h."\" :RevealBookmark <name>\n"
+ let @h=@h."\" :OpenBookmark <name>\n"
+ let @h=@h."\" :ClearBookmarks [<names>]\n"
+ let @h=@h."\" :ClearAllBookmarks\n"
+ silent! put h
+ elseif g:NERDTreeMinimalUI == 0
+ let @h="\" Press ". g:NERDTreeMapHelp ." for help\n"
+ silent! put h
+ endif
+
+ let @h = old_h
+endfunction
+"FUNCTION: s:echo {{{2
+"A wrapper for :echo. Appends 'NERDTree:' on the front of all messages
+"
+"Args:
+"msg: the message to echo
+function! s:echo(msg)
+ redraw
+ echomsg "NERDTree: " . a:msg
+endfunction
+"FUNCTION: s:echoWarning {{{2
+"Wrapper for s:echo, sets the message type to warningmsg for this message
+"Args:
+"msg: the message to echo
+function! s:echoWarning(msg)
+ echohl warningmsg
+ call s:echo(a:msg)
+ echohl normal
+endfunction
+"FUNCTION: s:echoError {{{2
+"Wrapper for s:echo, sets the message type to errormsg for this message
+"Args:
+"msg: the message to echo
+function! s:echoError(msg)
+ echohl errormsg
+ call s:echo(a:msg)
+ echohl normal
+endfunction
+"FUNCTION: s:firstUsableWindow(){{{2
+"find the window number of the first normal window
+function! s:firstUsableWindow()
+ let i = 1
+ while i <= winnr("$")
+ let bnum = winbufnr(i)
+ if bnum != -1 && getbufvar(bnum, '&buftype') ==# ''
+ \ && !getwinvar(i, '&previewwindow')
+ \ && (!getbufvar(bnum, '&modified') || &hidden)
+ return i
+ endif
+
+ let i += 1
+ endwhile
+ return -1
+endfunction
+"FUNCTION: s:getPath(ln) {{{2
+"Gets the full path to the node that is rendered on the given line number
+"
+"Args:
+"ln: the line number to get the path for
+"
+"Return:
+"A path if a node was selected, {} if nothing is selected.
+"If the 'up a dir' line was selected then the path to the parent of the
+"current root is returned
+function! s:getPath(ln)
+ let line = getline(a:ln)
+
+ let rootLine = s:TreeFileNode.GetRootLineNum()
+
+ "check to see if we have the root node
+ if a:ln == rootLine
+ return b:NERDTreeRoot.path
+ endif
+
+ if !g:NERDTreeDirArrows
+ " in case called from outside the tree
+ if line !~# '^ *[|`▸▾ ]' || line =~# '^$'
+ return {}
+ endif
+ endif
+
+ if line ==# s:tree_up_dir_line
+ return b:NERDTreeRoot.path.getParent()
+ endif
+
+ let indent = s:indentLevelFor(line)
+
+ "remove the tree parts and the leading space
+ let curFile = s:stripMarkupFromLine(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 = s:stripMarkupFromLine(curLine, 1)
+
+ "have we reached the top of the tree?
+ if lnum == rootLine
+ let dir = b:NERDTreeRoot.path.str({'format': 'UI'}) . dir
+ break
+ endif
+ if curLineStripped =~# '/$'
+ let lpindent = s:indentLevelFor(curLine)
+ if lpindent < indent
+ let indent = indent - 1
+
+ let dir = substitute (curLineStripped,'^\\', "", "") . dir
+ continue
+ endif
+ endif
+ endwhile
+ let curFile = b:NERDTreeRoot.path.drive . dir . curFile
+ let toReturn = s:Path.New(curFile)
+ return toReturn
+endfunction
+
+"FUNCTION: s:getTreeWinNum() {{{2
+"gets the nerd tree window number for this tab
+function! s:getTreeWinNum()
+ if exists("t:NERDTreeBufName")
+ return bufwinnr(t:NERDTreeBufName)
+ else
+ return -1
+ endif
+endfunction
+"FUNCTION: s:indentLevelFor(line) {{{2
+function! s:indentLevelFor(line)
+ let level = match(a:line, '[^ \-+~▸▾`|]') / s:tree_wid
+ " check if line includes arrows
+ if match(a:line, '[▸▾]') > -1
+ " decrement level as arrow uses 3 ascii chars
+ let level = level - 1
+ endif
+ return level
+endfunction
+"FUNCTION: s:isTreeOpen() {{{2
+function! s:isTreeOpen()
+ return s:getTreeWinNum() != -1
+endfunction
+"FUNCTION: s:isWindowUsable(winnumber) {{{2
+"Returns 0 if opening a file from the tree in the given window requires it to
+"be split, 1 otherwise
+"
+"Args:
+"winnumber: the number of the window in question
+function! s:isWindowUsable(winnumber)
+ "gotta split if theres only one window (i.e. the NERD tree)
+ if winnr("$") ==# 1
+ return 0
+ endif
+
+ let oldwinnr = winnr()
+ call s:exec(a:winnumber . "wincmd p")
+ let specialWindow = getbufvar("%", '&buftype') != '' || getwinvar('%', '&previewwindow')
+ let modified = &modified
+ call s: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 || s:bufInWindows(winbufnr(a:winnumber)) >= 2
+endfunction
+
+" FUNCTION: s:jumpToChild(direction) {{{2
+" Args:
+" direction: 0 if going to first child, 1 if going to last
+function! s:jumpToChild(direction)
+ let currentNode = s:TreeFileNode.GetSelected()
+ if currentNode ==# {} || currentNode.isRoot()
+ call s:echo("cannot jump to " . (a:direction ? "last" : "first") . " child")
+ return
+ end
+ let dirNode = currentNode.parent
+ let childNodes = dirNode.getVisibleChildren()
+
+ let targetNode = childNodes[0]
+ if a:direction
+ let targetNode = childNodes[len(childNodes) - 1]
+ endif
+
+ if targetNode.equals(currentNode)
+ let siblingDir = currentNode.parent.findOpenDirSiblingWithVisibleChildren(a:direction)
+ if siblingDir != {}
+ let indx = a:direction ? siblingDir.getVisibleChildCount()-1 : 0
+ let targetNode = siblingDir.getChildByIndex(indx, 1)
+ endif
+ endif
+
+ call targetNode.putCursorHere(1, 0)
+
+ call s:centerView()
+endfunction
+
+
+"FUNCTION: s:promptToDelBuffer(bufnum, msg){{{2
+"prints out the given msg and, if the user responds by pushing 'y' then the
+"buffer with the given bufnum is deleted
+"
+"Args:
+"bufnum: the buffer that may be deleted
+"msg: a message that will be echoed to the user asking them if they wish to
+" del the buffer
+function! s:promptToDelBuffer(bufnum, msg)
+ echo a:msg
+ if nr2char(getchar()) ==# 'y'
+ exec "silent bdelete! " . a:bufnum
+ endif
+endfunction
+
+"FUNCTION: s:putCursorOnBookmarkTable(){{{2
+"Places the cursor at the top of the bookmarks table
+function! s:putCursorOnBookmarkTable()
+ if !b:NERDTreeShowBookmarks
+ throw "NERDTree.IllegalOperationError: cant find bookmark table, bookmarks arent active"
+ endif
+
+ if g:NERDTreeMinimalUI
+ return cursor(1, 2)
+ endif
+
+ let rootNodeLine = s:TreeFileNode.GetRootLineNum()
+
+ let line = 1
+ while getline(line) !~# '^>-\+Bookmarks-\+$'
+ let line = line + 1
+ if line >= rootNodeLine
+ throw "NERDTree.BookmarkTableNotFoundError: didnt find the bookmarks table"
+ endif
+ endwhile
+ call cursor(line, 2)
+endfunction
+
+"FUNCTION: s:putCursorInTreeWin(){{{2
+"Places the cursor in the nerd tree window
+function! s:putCursorInTreeWin()
+ if !s:isTreeOpen()
+ throw "NERDTree.InvalidOperationError: cant put cursor in NERD tree window, no window exists"
+ endif
+
+ call s:exec(s:getTreeWinNum() . "wincmd w")
+endfunction
+
+"FUNCTION: s:renderBookmarks {{{2
+function! s:renderBookmarks()
+
+ if g:NERDTreeMinimalUI == 0
+ call setline(line(".")+1, ">----------Bookmarks----------")
+ call cursor(line(".")+1, col("."))
+ endif
+
+ for i in s:Bookmark.Bookmarks()
+ call setline(line(".")+1, i.str())
+ call cursor(line(".")+1, col("."))
+ endfor
+
+ call setline(line(".")+1, '')
+ call cursor(line(".")+1, col("."))
+endfunction
+"FUNCTION: s:renderView {{{2
+"The entry function for rendering the tree
+function! s:renderView()
+ setlocal modifiable
+
+ "remember the top line of the buffer and the current line so we can
+ "restore the view exactly how it was
+ let curLine = line(".")
+ let curCol = col(".")
+ let topLine = line("w0")
+
+ "delete all lines in the buffer (being careful not to clobber a register)
+ silent 1,$delete _
+
+ call s:dumpHelp()
+
+ "delete the blank line before the help and add one after it
+ if g:NERDTreeMinimalUI == 0
+ call setline(line(".")+1, "")
+ call cursor(line(".")+1, col("."))
+ endif
+
+ if b:NERDTreeShowBookmarks
+ call s:renderBookmarks()
+ endif
+
+ "add the 'up a dir' line
+ if !g:NERDTreeMinimalUI
+ call setline(line(".")+1, s:tree_up_dir_line)
+ call cursor(line(".")+1, col("."))
+ endif
+
+ "draw the header line
+ let header = b:NERDTreeRoot.path.str({'format': 'UI', 'truncateTo': winwidth(0)})
+ call setline(line(".")+1, header)
+ call cursor(line(".")+1, col("."))
+
+ "draw the tree
+ let old_o = @o
+ let @o = b:NERDTreeRoot.renderToString()
+ silent put o
+ let @o = old_o
+
+ "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: s:renderViewSavingPosition {{{2
+"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:renderViewSavingPosition()
+ let currentNode = s:TreeFileNode.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 s:renderView()
+
+ if currentNode != {}
+ call currentNode.putCursorHere(0, 0)
+ endif
+endfunction
+"FUNCTION: s:restoreScreenState() {{{2
+"
+"Sets the screen state back to what it was when s:saveScreenState was last
+"called.
+"
+"Assumes the cursor is in the NERDTree window
+function! s:restoreScreenState()
+ if !exists("b:NERDTreeOldTopLine") || !exists("b:NERDTreeOldPos") || !exists("b:NERDTreeOldWindowSize")
+ return
+ endif
+ exec("silent vertical resize ".b:NERDTreeOldWindowSize)
+
+ let old_scrolloff=&scrolloff
+ let &scrolloff=0
+ call cursor(b:NERDTreeOldTopLine, 0)
+ normal! zt
+ call setpos(".", b:NERDTreeOldPos)
+ let &scrolloff=old_scrolloff
+endfunction
+
+"FUNCTION: s:saveScreenState() {{{2
+"Saves the current cursor position in the current buffer and the window
+"scroll position
+function! s:saveScreenState()
+ let win = winnr()
+ try
+ call s:putCursorInTreeWin()
+ let b:NERDTreeOldPos = getpos(".")
+ let b:NERDTreeOldTopLine = line("w0")
+ let b:NERDTreeOldWindowSize = winwidth("")
+ call s:exec(win . "wincmd w")
+ catch /^NERDTree.InvalidOperationError/
+ endtry
+endfunction
+
+"FUNCTION: s:setupStatusline() {{{2
+function! s:setupStatusline()
+ if g:NERDTreeStatusline != -1
+ let &l:statusline = g:NERDTreeStatusline
+ endif
+endfunction
+"FUNCTION: s:setupSyntaxHighlighting() {{{2
+function! s:setupSyntaxHighlighting()
+ "NERDTreeFlags are syntax items that should be invisible, but give clues as to
+ "how things should be highlighted
+ syn match NERDTreeFlag #\~#
+ syn match NERDTreeFlag #\[RO\]#
+
+ "highlighting for the .. (up dir) line at the top of the tree
+ execute "syn match NERDTreeUp #\\V". s:tree_up_dir_line ."#"
+
+ "highlighting for the ~/+ symbols for the directory nodes
+ syn match NERDTreeClosable #\~\<#
+ syn match NERDTreeClosable #\~\.#
+ syn match NERDTreeOpenable #+\<#
+ syn match NERDTreeOpenable #+\.#he=e-1
+
+ "highlighting for the tree structural parts
+ syn match NERDTreePart #|#
+ syn match NERDTreePart #`#
+ syn match NERDTreePartFile #[|`]-#hs=s+1 contains=NERDTreePart
+
+ "quickhelp syntax elements
+ syn match NERDTreeHelpKey #" \{1,2\}[^ ]*:#hs=s+2,he=e-1
+ syn match NERDTreeHelpKey #" \{1,2\}[^ ]*,#hs=s+2,he=e-1
+ syn match NERDTreeHelpTitle #" .*\~#hs=s+2,he=e-1 contains=NERDTreeFlag
+ syn match NERDTreeToggleOn #".*(on)#hs=e-2,he=e-1 contains=NERDTreeHelpKey
+ syn match NERDTreeToggleOff #".*(off)#hs=e-3,he=e-1 contains=NERDTreeHelpKey
+ syn match NERDTreeHelpCommand #" :.\{-}\>#hs=s+3
+ syn match NERDTreeHelp #^".*# contains=NERDTreeHelpKey,NERDTreeHelpTitle,NERDTreeFlag,NERDTreeToggleOff,NERDTreeToggleOn,NERDTreeHelpCommand
+
+ "highlighting for readonly files
+ syn match NERDTreeRO #.*\[RO\]#hs=s+2 contains=NERDTreeFlag,NERDTreeBookmark,NERDTreePart,NERDTreePartFile
+
+ "highlighting for sym links
+ syn match NERDTreeLink #[^-| `].* -> # contains=NERDTreeBookmark,NERDTreeOpenable,NERDTreeClosable,NERDTreeDirSlash
+
+ "highlighing for directory nodes and file nodes
+ syn match NERDTreeDirSlash #/#
+ syn match NERDTreeDir #[^-| `].*/# contains=NERDTreeLink,NERDTreeDirSlash,NERDTreeOpenable,NERDTreeClosable
+ syn match NERDTreeExecFile #[|` ].*\*\($\| \)# contains=NERDTreeLink,NERDTreePart,NERDTreeRO,NERDTreePartFile,NERDTreeBookmark
+ syn match NERDTreeFile #|-.*# contains=NERDTreeLink,NERDTreePart,NERDTreeRO,NERDTreePartFile,NERDTreeBookmark,NERDTreeExecFile
+ syn match NERDTreeFile #`-.*# contains=NERDTreeLink,NERDTreePart,NERDTreeRO,NERDTreePartFile,NERDTreeBookmark,NERDTreeExecFile
+ syn match NERDTreeCWD #^[</].*$#
+
+ "highlighting for bookmarks
+ syn match NERDTreeBookmark # {.*}#hs=s+1
+
+ "highlighting for the bookmarks table
+ syn match NERDTreeBookmarksLeader #^>#
+ syn match NERDTreeBookmarksHeader #^>-\+Bookmarks-\+$# contains=NERDTreeBookmarksLeader
+ syn match NERDTreeBookmarkName #^>.\{-} #he=e-1 contains=NERDTreeBookmarksLeader
+ syn match NERDTreeBookmark #^>.*$# contains=NERDTreeBookmarksLeader,NERDTreeBookmarkName,NERDTreeBookmarksHeader
+
+ if g:NERDChristmasTree
+ hi def link NERDTreePart Special
+ hi def link NERDTreePartFile Type
+ hi def link NERDTreeFile Normal
+ hi def link NERDTreeExecFile Title
+ hi def link NERDTreeDirSlash Identifier
+ hi def link NERDTreeClosable Type
+ else
+ hi def link NERDTreePart Normal
+ hi def link NERDTreePartFile Normal
+ hi def link NERDTreeFile Normal
+ hi def link NERDTreeClosable Title
+ endif
+
+ hi def link NERDTreeBookmarksHeader statement
+ hi def link NERDTreeBookmarksLeader ignore
+ hi def link NERDTreeBookmarkName Identifier
+ hi def link NERDTreeBookmark normal
+
+ hi def link NERDTreeHelp String
+ hi def link NERDTreeHelpKey Identifier
+ hi def link NERDTreeHelpCommand Identifier
+ hi def link NERDTreeHelpTitle Macro
+ hi def link NERDTreeToggleOn Question
+ hi def link NERDTreeToggleOff WarningMsg
+
+ hi def link NERDTreeDir Directory
+ hi def link NERDTreeUp Directory
+ hi def link NERDTreeCWD Statement
+ hi def link NERDTreeLink Macro
+ hi def link NERDTreeOpenable Title
+ hi def link NERDTreeFlag ignore
+ hi def link NERDTreeRO WarningMsg
+ hi def link NERDTreeBookmark Statement
+
+ hi def link NERDTreeCurrentNode Search
+endfunction
+
+"FUNCTION: s:stripMarkupFromLine(line, removeLeadingSpaces){{{2
+"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:stripMarkupFromLine(line, removeLeadingSpaces)
+ let line = a:line
+ "remove the tree parts and the leading space
+ let line = substitute (line, s:tree_markup_reg,"","")
+
+ "strip off any read only flag
+ let line = substitute (line, ' \[RO\]', "","")
+
+ "strip off any bookmark flags
+ let line = substitute (line, ' {[^}]*}', "","")
+
+ "strip off any executable flags
+ let line = substitute (line, '*\ze\($\| \)', "","")
+
+ 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:toggle(dir) {{{2
+"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:toggle(dir)
+ if s:treeExistsForTab()
+ if !s:isTreeOpen()
+ call s:createTreeWin()
+ if !&hidden
+ call s:renderView()
+ endif
+ call s:restoreScreenState()
+ else
+ call s:closeTree()
+ endif
+ else
+ call s:initNerdTree(a:dir)
+ endif
+endfunction
+"SECTION: Interface bindings {{{1
+"============================================================
+"FUNCTION: s:activateNode(forceKeepWindowOpen) {{{2
+"If the current node is a file, open it in the previous window (or a new one
+"if the previous is modified). If it is a directory then it is opened.
+"
+"args:
+"forceKeepWindowOpen - dont close the window even if NERDTreeQuitOnOpen is set
+function! s:activateNode(forceKeepWindowOpen)
+ if getline(".") ==# s:tree_up_dir_line
+ return s:upDir(0)
+ endif
+
+ let treenode = s:TreeFileNode.GetSelected()
+ if treenode != {}
+ call treenode.activate(a:forceKeepWindowOpen)
+ else
+ let bookmark = s:Bookmark.GetSelected()
+ if !empty(bookmark)
+ call bookmark.activate()
+ endif
+ endif
+endfunction
+
+"FUNCTION: s:bindMappings() {{{2
+function! s:bindMappings()
+ " set up mappings and commands for this buffer
+ nnoremap <silent> <buffer> <middlerelease> :call <SID>handleMiddleMouse()<cr>
+ nnoremap <silent> <buffer> <leftrelease> <leftrelease>:call <SID>checkForActivate()<cr>
+ nnoremap <silent> <buffer> <2-leftmouse> :call <SID>activateNode(0)<cr>
+
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapActivateNode . " :call <SID>activateNode(0)<cr>"
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapOpenSplit ." :call <SID>openEntrySplit(0,0)<cr>"
+ exec "nnoremap <silent> <buffer> <cr> :call <SID>activateNode(0)<cr>"
+
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapPreview ." :call <SID>previewNode(0)<cr>"
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapPreviewSplit ." :call <SID>previewNode(1)<cr>"
+
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapOpenVSplit ." :call <SID>openEntrySplit(1,0)<cr>"
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapPreviewVSplit ." :call <SID>previewNode(2)<cr>"
+
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapOpenRecursively ." :call <SID>openNodeRecursively()<cr>"
+
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapUpdirKeepOpen ." :call <SID>upDir(1)<cr>"
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapUpdir ." :call <SID>upDir(0)<cr>"
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapChangeRoot ." :call <SID>chRoot()<cr>"
+
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapChdir ." :call <SID>chCwd()<cr>"
+
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapQuit ." :call <SID>closeTreeWindow()<cr>"
+
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapRefreshRoot ." :call <SID>refreshRoot()<cr>"
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapRefresh ." :call <SID>refreshCurrent()<cr>"
+
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapHelp ." :call <SID>displayHelp()<cr>"
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapToggleZoom ." :call <SID>toggleZoom()<cr>"
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapToggleHidden ." :call <SID>toggleShowHidden()<cr>"
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapToggleFilters ." :call <SID>toggleIgnoreFilter()<cr>"
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapToggleFiles ." :call <SID>toggleShowFiles()<cr>"
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapToggleBookmarks ." :call <SID>toggleShowBookmarks()<cr>"
+
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapCloseDir ." :call <SID>closeCurrentDir()<cr>"
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapCloseChildren ." :call <SID>closeChildren()<cr>"
+
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapMenu ." :call <SID>showMenu()<cr>"
+
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapJumpParent ." :call <SID>jumpToParent()<cr>"
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapJumpNextSibling ." :call <SID>jumpToSibling(1)<cr>"
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapJumpPrevSibling ." :call <SID>jumpToSibling(0)<cr>"
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapJumpFirstChild ." :call <SID>jumpToFirstChild()<cr>"
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapJumpLastChild ." :call <SID>jumpToLastChild()<cr>"
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapJumpRoot ." :call <SID>jumpToRoot()<cr>"
+
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapOpenInTab ." :call <SID>openInNewTab(0)<cr>"
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapOpenInTabSilent ." :call <SID>openInNewTab(1)<cr>"
+
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapOpenExpl ." :call <SID>openExplorer()<cr>"
+
+ exec "nnoremap <silent> <buffer> ". g:NERDTreeMapDeleteBookmark ." :call <SID>deleteBookmark()<cr>"
+
+ "bind all the user custom maps
+ call s:KeyMap.BindAll()
+
+ command! -buffer -nargs=1 Bookmark :call <SID>bookmarkNode('<args>')
+ command! -buffer -complete=customlist,s:completeBookmarks -nargs=1 RevealBookmark :call <SID>revealBookmark('<args>')
+ command! -buffer -complete=customlist,s:completeBookmarks -nargs=1 OpenBookmark :call <SID>openBookmark('<args>')
+ command! -buffer -complete=customlist,s:completeBookmarks -nargs=* ClearBookmarks call <SID>clearBookmarks('<args>')
+ command! -buffer -complete=customlist,s:completeBookmarks -nargs=+ BookmarkToRoot call s:Bookmark.ToRoot('<args>')
+ command! -buffer -nargs=0 ClearAllBookmarks call s:Bookmark.ClearAll() <bar> call <SID>renderView()
+ command! -buffer -nargs=0 ReadBookmarks call s:Bookmark.CacheBookmarks(0) <bar> call <SID>renderView()
+ command! -buffer -nargs=0 WriteBookmarks call s:Bookmark.Write()
+endfunction
+
+" FUNCTION: s:bookmarkNode(name) {{{2
+" Associate the current node with the given name
+function! s:bookmarkNode(name)
+ let currentNode = s:TreeFileNode.GetSelected()
+ if currentNode != {}
+ try
+ call currentNode.bookmark(a:name)
+ call s:renderView()
+ catch /^NERDTree.IllegalBookmarkNameError/
+ call s:echo("bookmark names must not contain spaces")
+ endtry
+ else
+ call s:echo("select a node first")
+ endif
+endfunction
+"FUNCTION: s:checkForActivate() {{{2
+"Checks if the click should open the current node, if so then activate() is
+"called (directories are automatically opened if the symbol beside them is
+"clicked)
+function! s:checkForActivate()
+ let currentNode = s:TreeFileNode.GetSelected()
+ if currentNode != {}
+ let startToCur = strpart(getline(line(".")), 0, col("."))
+
+ if currentNode.path.isDirectory
+ if startToCur =~# s:tree_markup_reg . '$' && startToCur =~# '[+~▾▸]$'
+ call s:activateNode(0)
+ return
+ endif
+ endif
+
+ if (g:NERDTreeMouseMode ==# 2 && currentNode.path.isDirectory) || g:NERDTreeMouseMode ==# 3
+ let char = strpart(startToCur, strlen(startToCur)-1, 1)
+ if char !~# s:tree_markup_reg
+ call s:activateNode(0)
+ return
+ endif
+ endif
+ endif
+endfunction
+
+" FUNCTION: s:chCwd() {{{2
+function! s:chCwd()
+ let treenode = s:TreeFileNode.GetSelected()
+ if treenode ==# {}
+ call s:echo("Select a node first")
+ return
+ endif
+
+ try
+ call treenode.path.changeToDir()
+ catch /^NERDTree.PathChangeError/
+ call s:echoWarning("could not change cwd")
+ endtry
+endfunction
+
+" FUNCTION: s:chRoot() {{{2
+" changes the current root to the selected one
+function! s:chRoot()
+ let treenode = s:TreeFileNode.GetSelected()
+ if treenode ==# {}
+ call s:echo("Select a node first")
+ return
+ endif
+
+ call treenode.makeRoot()
+ call s:renderView()
+ call b:NERDTreeRoot.putCursorHere(0, 0)
+endfunction
+
+" FUNCTION: s:clearBookmarks(bookmarks) {{{2
+function! s:clearBookmarks(bookmarks)
+ if a:bookmarks ==# ''
+ let currentNode = s:TreeFileNode.GetSelected()
+ if currentNode != {}
+ call currentNode.clearBoomarks()
+ endif
+ else
+ for name in split(a:bookmarks, ' ')
+ let bookmark = s:Bookmark.BookmarkFor(name)
+ call bookmark.delete()
+ endfor
+ endif
+ call s:renderView()
+endfunction
+" FUNCTION: s:closeChildren() {{{2
+" closes all childnodes of the current node
+function! s:closeChildren()
+ let currentNode = s:TreeDirNode.GetSelected()
+ if currentNode ==# {}
+ call s:echo("Select a node first")
+ return
+ endif
+
+ call currentNode.closeChildren()
+ call s:renderView()
+ call currentNode.putCursorHere(0, 0)
+endfunction
+" FUNCTION: s:closeCurrentDir() {{{2
+" closes the parent dir of the current node
+function! s:closeCurrentDir()
+ let treenode = s:TreeFileNode.GetSelected()
+ if treenode ==# {}
+ call s:echo("Select a node first")
+ return
+ endif
+
+ let parent = treenode.parent
+ if parent ==# {} || parent.isRoot()
+ call s:echo("cannot close tree root")
+ else
+ call treenode.parent.close()
+ call s:renderView()
+ call treenode.parent.putCursorHere(0, 0)
+ endif
+endfunction
+" FUNCTION: s:closeTreeWindow() {{{2
+" close the tree window
+function! s:closeTreeWindow()
+ if b:NERDTreeType ==# "secondary" && b:NERDTreePreviousBuf != -1
+ exec "buffer " . b:NERDTreePreviousBuf
+ else
+ if winnr("$") > 1
+ call s:closeTree()
+ else
+ call s:echo("Cannot close last window")
+ endif
+ endif
+endfunction
+" FUNCTION: s:deleteBookmark() {{{2
+" if the cursor is on a bookmark, prompt to delete
+function! s:deleteBookmark()
+ let bookmark = s:Bookmark.GetSelected()
+ if bookmark ==# {}
+ call s:echo("Put the cursor on a bookmark")
+ return
+ endif
+
+ echo "Are you sure you wish to delete the bookmark:\n\"" . bookmark.name . "\" (yN):"
+
+ if nr2char(getchar()) ==# 'y'
+ try
+ call bookmark.delete()
+ call s:renderView()
+ redraw
+ catch /^NERDTree/
+ call s:echoWarning("Could not remove bookmark")
+ endtry
+ else
+ call s:echo("delete aborted" )
+ endif
+
+endfunction
+
+" FUNCTION: s:displayHelp() {{{2
+" toggles the help display
+function! s:displayHelp()
+ let b:treeShowHelp = b:treeShowHelp ? 0 : 1
+ call s:renderView()
+ call s:centerView()
+endfunction
+
+" FUNCTION: s:handleMiddleMouse() {{{2
+function! s:handleMiddleMouse()
+ let curNode = s:TreeFileNode.GetSelected()
+ if curNode ==# {}
+ call s:echo("Put the cursor on a node first" )
+ return
+ endif
+
+ if curNode.path.isDirectory
+ call s:openExplorer()
+ else
+ call s:openEntrySplit(0,0)
+ endif
+endfunction
+
+
+" FUNCTION: s:jumpToFirstChild() {{{2
+" wrapper for the jump to child method
+function! s:jumpToFirstChild()
+ call s:jumpToChild(0)
+endfunction
+
+" FUNCTION: s:jumpToLastChild() {{{2
+" wrapper for the jump to child method
+function! s:jumpToLastChild()
+ call s:jumpToChild(1)
+endfunction
+
+" FUNCTION: s:jumpToParent() {{{2
+" moves the cursor to the parent of the current node
+function! s:jumpToParent()
+ let currentNode = s:TreeFileNode.GetSelected()
+ if !empty(currentNode)
+ if !empty(currentNode.parent)
+ call currentNode.parent.putCursorHere(1, 0)
+ call s:centerView()
+ else
+ call s:echo("cannot jump to parent")
+ endif
+ else
+ call s:echo("put the cursor on a node first")
+ endif
+endfunction
+
+" FUNCTION: s:jumpToRoot() {{{2
+" moves the cursor to the root node
+function! s:jumpToRoot()
+ call b:NERDTreeRoot.putCursorHere(1, 0)
+ call s:centerView()
+endfunction
+
+" FUNCTION: s:jumpToSibling() {{{2
+" moves the cursor to the sibling of the current node in the given direction
+"
+" Args:
+" forward: 1 if the cursor should move to the next sibling, 0 if it should
+" move back to the previous sibling
+function! s:jumpToSibling(forward)
+ let currentNode = s:TreeFileNode.GetSelected()
+ if !empty(currentNode)
+ let sibling = currentNode.findSibling(a:forward)
+
+ if !empty(sibling)
+ call sibling.putCursorHere(1, 0)
+ call s:centerView()
+ endif
+ else
+ call s:echo("put the cursor on a node first")
+ endif
+endfunction
+
+" FUNCTION: s:openBookmark(name) {{{2
+" put the cursor on the given bookmark and, if its a file, open it
+function! s:openBookmark(name)
+ try
+ let targetNode = s:Bookmark.GetNodeForName(a:name, 0)
+ call targetNode.putCursorHere(0, 1)
+ redraw!
+ catch /^NERDTree.BookmarkedNodeNotFoundError/
+ call s:echo("note - target node is not cached")
+ let bookmark = s:Bookmark.BookmarkFor(a:name)
+ let targetNode = s:TreeFileNode.New(bookmark.path)
+ endtry
+ if targetNode.path.isDirectory
+ call targetNode.openExplorer()
+ else
+ call targetNode.open()
+ endif
+endfunction
+" FUNCTION: s:openEntrySplit(vertical, forceKeepWindowOpen) {{{2
+"Opens the currently selected file from the explorer in a
+"new window
+"
+"args:
+"forceKeepWindowOpen - dont close the window even if NERDTreeQuitOnOpen is set
+function! s:openEntrySplit(vertical, forceKeepWindowOpen)
+ let treenode = s:TreeFileNode.GetSelected()
+ if treenode != {}
+ if a:vertical
+ call treenode.openVSplit()
+ else
+ call treenode.openSplit()
+ endif
+ if !a:forceKeepWindowOpen
+ call s:closeTreeIfQuitOnOpen()
+ endif
+ else
+ call s:echo("select a node first")
+ endif
+endfunction
+
+" FUNCTION: s:openExplorer() {{{2
+function! s:openExplorer()
+ let treenode = s:TreeDirNode.GetSelected()
+ if treenode != {}
+ call treenode.openExplorer()
+ else
+ call s:echo("select a node first")
+ endif
+endfunction
+
+" FUNCTION: s:openInNewTab(stayCurrentTab) {{{2
+" Opens the selected node or bookmark in a new tab
+" Args:
+" stayCurrentTab: if 1 then vim will stay in the current tab, if 0 then vim
+" will go to the tab where the new file is opened
+function! s:openInNewTab(stayCurrentTab)
+ let target = s:TreeFileNode.GetSelected()
+ if target == {}
+ let target = s:Bookmark.GetSelected()
+ endif
+
+ if target != {}
+ call target.openInNewTab({'stayInCurrentTab': a:stayCurrentTab})
+ endif
+endfunction
+
+" FUNCTION: s:openNodeRecursively() {{{2
+function! s:openNodeRecursively()
+ let treenode = s:TreeFileNode.GetSelected()
+ if treenode ==# {} || treenode.path.isDirectory ==# 0
+ call s:echo("Select a directory node first" )
+ else
+ call s:echo("Recursively opening node. Please wait...")
+ call treenode.openRecursively()
+ call s:renderView()
+ redraw
+ call s:echo("Recursively opening node. Please wait... DONE")
+ endif
+
+endfunction
+
+"FUNCTION: s:previewNode() {{{2
+"Args:
+" openNewWin: if 0, use the previous window, if 1 open in new split, if 2
+" open in a vsplit
+function! s:previewNode(openNewWin)
+ let currentBuf = bufnr("")
+ if a:openNewWin > 0
+ call s:openEntrySplit(a:openNewWin ==# 2,1)
+ else
+ call s:activateNode(1)
+ end
+ call s:exec(bufwinnr(currentBuf) . "wincmd w")
+endfunction
+
+" FUNCTION: s:revealBookmark(name) {{{2
+" put the cursor on the node associate with the given name
+function! s:revealBookmark(name)
+ try
+ let targetNode = s:Bookmark.GetNodeForName(a:name, 0)
+ call targetNode.putCursorHere(0, 1)
+ catch /^NERDTree.BookmarkNotFoundError/
+ call s:echo("Bookmark isnt cached under the current root")
+ endtry
+endfunction
+" FUNCTION: s:refreshRoot() {{{2
+" Reloads the current root. All nodes below this will be lost and the root dir
+" will be reloaded.
+function! s:refreshRoot()
+ call s:echo("Refreshing the root node. This could take a while...")
+ call b:NERDTreeRoot.refresh()
+ call s:renderView()
+ redraw
+ call s:echo("Refreshing the root node. This could take a while... DONE")
+endfunction
+
+" FUNCTION: s:refreshCurrent() {{{2
+" refreshes the root for the current node
+function! s:refreshCurrent()
+ let treenode = s:TreeDirNode.GetSelected()
+ if treenode ==# {}
+ call s:echo("Refresh failed. Select a node first")
+ return
+ endif
+
+ call s:echo("Refreshing node. This could take a while...")
+ call treenode.refresh()
+ call s:renderView()
+ redraw
+ call s:echo("Refreshing node. This could take a while... DONE")
+endfunction
+" FUNCTION: s:showMenu() {{{2
+function! s:showMenu()
+ let curNode = s:TreeFileNode.GetSelected()
+ if curNode ==# {}
+ call s:echo("Put the cursor on a node first" )
+ return
+ endif
+
+ let mc = s:MenuController.New(s:MenuItem.AllEnabled())
+ call mc.showMenu()
+endfunction
+
+" FUNCTION: s:toggleIgnoreFilter() {{{2
+" toggles the use of the NERDTreeIgnore option
+function! s:toggleIgnoreFilter()
+ let b:NERDTreeIgnoreEnabled = !b:NERDTreeIgnoreEnabled
+ call s:renderViewSavingPosition()
+ call s:centerView()
+endfunction
+
+" FUNCTION: s:toggleShowBookmarks() {{{2
+" toggles the display of bookmarks
+function! s:toggleShowBookmarks()
+ let b:NERDTreeShowBookmarks = !b:NERDTreeShowBookmarks
+ if b:NERDTreeShowBookmarks
+ call s:renderView()
+ call s:putCursorOnBookmarkTable()
+ else
+ call s:renderViewSavingPosition()
+ endif
+ call s:centerView()
+endfunction
+" FUNCTION: s:toggleShowFiles() {{{2
+" toggles the display of hidden files
+function! s:toggleShowFiles()
+ let b:NERDTreeShowFiles = !b:NERDTreeShowFiles
+ call s:renderViewSavingPosition()
+ call s:centerView()
+endfunction
+
+" FUNCTION: s:toggleShowHidden() {{{2
+" toggles the display of hidden files
+function! s:toggleShowHidden()
+ let b:NERDTreeShowHidden = !b:NERDTreeShowHidden
+ call s:renderViewSavingPosition()
+ call s:centerView()
+endfunction
+
+" FUNCTION: s:toggleZoom() {{2
+" zoom (maximize/minimize) the NERDTree window
+function! s: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:upDir(keepState) {{{2
+"moves the tree up a level
+"
+"Args:
+"keepState: 1 if the current root should be left open when the tree is
+"re-rendered
+function! s:upDir(keepState)
+ let cwd = b:NERDTreeRoot.path.str({'format': 'UI'})
+ if cwd ==# "/" || cwd =~# '^[^/]..$'
+ call s:echo("already at top dir")
+ else
+ if !a:keepState
+ call b:NERDTreeRoot.close()
+ endif
+
+ let oldRoot = b:NERDTreeRoot
+
+ if empty(b:NERDTreeRoot.parent)
+ let path = b:NERDTreeRoot.path.getParent()
+ let newRoot = s:TreeDirNode.New(path)
+ call newRoot.open()
+ call newRoot.transplantChild(b:NERDTreeRoot)
+ let b:NERDTreeRoot = newRoot
+ else
+ let b:NERDTreeRoot = b:NERDTreeRoot.parent
+ endif
+
+ if g:NERDTreeChDirMode ==# 2
+ call b:NERDTreeRoot.path.changeToDir()
+ endif
+
+ call s:renderView()
+ call oldRoot.putCursorHere(0, 0)
+ endif
+endfunction
+
+
+"reset &cpo back to users setting
+let &cpo = s:old_cpo
+
+" vim: set sw=4 sts=4 et fdm=marker:
diff --git a/vim/vimrc b/vim/vimrc
index f634939..6dd2f70 100644
--- a/vim/vimrc
+++ b/vim/vimrc
@@ -37,3 +37,5 @@ inoremap " ""<Esc>i
"noremap n k
"noremap r j
"noremap t l
+
+map <F1> :NERDTreeToggle<CR>