From f40cc9e44282e630264726148090816c8a231fb9 Mon Sep 17 00:00:00 2001 From: Stefan Ritter Date: Thu, 15 Sep 2011 14:21:32 +0200 Subject: Add NERDTree for vim --- vim/NERD_tree.vim | 4123 +++++++++++++++++++++++++++++++++++++++++++++++++++++ vim/vimrc | 2 + 2 files changed, 4125 insertions(+) create mode 100644 vim/NERD_tree.vim 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 +" 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", "") +call s:initVariable("g:NERDTreeMapJumpParent", "p") +call s:initVariable("g:NERDTreeMapJumpPrevSibling", "") +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('') +command! -n=? -complete=dir -bar NERDTreeToggle :call s:toggle('') +command! -n=0 -bar NERDTreeClose :call s:closeTreeIfOpen() +command! -n=1 -complete=customlist,s:completeBookmarks -bar NERDTreeFromBookmark call s:initNerdTree('') +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 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("")) + 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 ". self.key ." :call ". self.callback ."()" +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 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 + + 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 + + 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."\" ,\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 \n" + let @h=@h."\" :BookmarkToRoot \n" + let @h=@h."\" :RevealBookmark \n" + let @h=@h."\" :OpenBookmark \n" + let @h=@h."\" :ClearBookmarks []\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 #^[# + 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 :call handleMiddleMouse() + nnoremap :call checkForActivate() + nnoremap <2-leftmouse> :call activateNode(0) + + exec "nnoremap ". g:NERDTreeMapActivateNode . " :call activateNode(0)" + exec "nnoremap ". g:NERDTreeMapOpenSplit ." :call openEntrySplit(0,0)" + exec "nnoremap :call activateNode(0)" + + exec "nnoremap ". g:NERDTreeMapPreview ." :call previewNode(0)" + exec "nnoremap ". g:NERDTreeMapPreviewSplit ." :call previewNode(1)" + + exec "nnoremap ". g:NERDTreeMapOpenVSplit ." :call openEntrySplit(1,0)" + exec "nnoremap ". g:NERDTreeMapPreviewVSplit ." :call previewNode(2)" + + exec "nnoremap ". g:NERDTreeMapOpenRecursively ." :call openNodeRecursively()" + + exec "nnoremap ". g:NERDTreeMapUpdirKeepOpen ." :call upDir(1)" + exec "nnoremap ". g:NERDTreeMapUpdir ." :call upDir(0)" + exec "nnoremap ". g:NERDTreeMapChangeRoot ." :call chRoot()" + + exec "nnoremap ". g:NERDTreeMapChdir ." :call chCwd()" + + exec "nnoremap ". g:NERDTreeMapQuit ." :call closeTreeWindow()" + + exec "nnoremap ". g:NERDTreeMapRefreshRoot ." :call refreshRoot()" + exec "nnoremap ". g:NERDTreeMapRefresh ." :call refreshCurrent()" + + exec "nnoremap ". g:NERDTreeMapHelp ." :call displayHelp()" + exec "nnoremap ". g:NERDTreeMapToggleZoom ." :call toggleZoom()" + exec "nnoremap ". g:NERDTreeMapToggleHidden ." :call toggleShowHidden()" + exec "nnoremap ". g:NERDTreeMapToggleFilters ." :call toggleIgnoreFilter()" + exec "nnoremap ". g:NERDTreeMapToggleFiles ." :call toggleShowFiles()" + exec "nnoremap ". g:NERDTreeMapToggleBookmarks ." :call toggleShowBookmarks()" + + exec "nnoremap ". g:NERDTreeMapCloseDir ." :call closeCurrentDir()" + exec "nnoremap ". g:NERDTreeMapCloseChildren ." :call closeChildren()" + + exec "nnoremap ". g:NERDTreeMapMenu ." :call showMenu()" + + exec "nnoremap ". g:NERDTreeMapJumpParent ." :call jumpToParent()" + exec "nnoremap ". g:NERDTreeMapJumpNextSibling ." :call jumpToSibling(1)" + exec "nnoremap ". g:NERDTreeMapJumpPrevSibling ." :call jumpToSibling(0)" + exec "nnoremap ". g:NERDTreeMapJumpFirstChild ." :call jumpToFirstChild()" + exec "nnoremap ". g:NERDTreeMapJumpLastChild ." :call jumpToLastChild()" + exec "nnoremap ". g:NERDTreeMapJumpRoot ." :call jumpToRoot()" + + exec "nnoremap ". g:NERDTreeMapOpenInTab ." :call openInNewTab(0)" + exec "nnoremap ". g:NERDTreeMapOpenInTabSilent ." :call openInNewTab(1)" + + exec "nnoremap ". g:NERDTreeMapOpenExpl ." :call openExplorer()" + + exec "nnoremap ". g:NERDTreeMapDeleteBookmark ." :call deleteBookmark()" + + "bind all the user custom maps + call s:KeyMap.BindAll() + + command! -buffer -nargs=1 Bookmark :call bookmarkNode('') + command! -buffer -complete=customlist,s:completeBookmarks -nargs=1 RevealBookmark :call revealBookmark('') + command! -buffer -complete=customlist,s:completeBookmarks -nargs=1 OpenBookmark :call openBookmark('') + command! -buffer -complete=customlist,s:completeBookmarks -nargs=* ClearBookmarks call clearBookmarks('') + command! -buffer -complete=customlist,s:completeBookmarks -nargs=+ BookmarkToRoot call s:Bookmark.ToRoot('') + command! -buffer -nargs=0 ClearAllBookmarks call s:Bookmark.ClearAll() call renderView() + command! -buffer -nargs=0 ReadBookmarks call s:Bookmark.CacheBookmarks(0) call 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 " ""i "noremap n k "noremap r j "noremap t l + +map :NERDTreeToggle -- cgit v1.2.3