Merge remote-tracking branch 'upstream/master'

sources_non_forked/nerdtree/lib/nerdtree/event.vim

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

sources_non_forked/nerdtree/lib/nerdtree/flag_set.vim

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

sources_non_forked/nerdtree/lib/nerdtree/nerdtree.vim

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+"CLASS: NERDTree
+"============================================================
+let s:NERDTree = {}
+let g:NERDTree = s:NERDTree
+
+" Function: s:NERDTree.ExistsForBuffer()   {{{1
+" Returns 1 if a nerd tree root exists in the current buffer
+function! s:NERDTree.ExistsForBuf()
+    return exists("b:NERDTreeRoot")
+endfunction
+
+" Function: s:NERDTree.ExistsForTab()   {{{1
+" Returns 1 if a nerd tree root exists in the current tab
+function! s:NERDTree.ExistsForTab()
+    return exists("t:NERDTreeBufName")
+endfunction
+
+function! s:NERDTree.ForCurrentBuf()
+    if s:NERDTree.ExistsForBuf()
+        return b:NERDTree
+    else
+        return {}
+    endif
+endfunction
+
+function! s:NERDTree.New(path)
+    let newObj = copy(self)
+    let newObj.ui = g:NERDTreeUI.New(newObj)
+    let newObj.root = g:NERDTreeDirNode.New(a:path)
+
+    return newObj
+endfunction
+
+"FUNCTION: s:NERDTree.render() {{{1
+"A convenience function - since this is called often
+function! s:NERDTree.render()
+    call self.ui.render()
+endfunction
+

sources_non_forked/nerdtree/lib/nerdtree/notifier.vim

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

sources_non_forked/nerdtree/lib/nerdtree/ui.vim

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+"CLASS: UI
+"============================================================
+let s:UI = {}
+let g:NERDTreeUI = s:UI
+
+
+function! s:UI.lolcats()
+    echomsg "lolcats"
+endfunction
+
+"FUNCTION: s:UI.centerView() {{{2
+"centers the nerd tree window around the cursor (provided the nerd tree
+"options permit)
+function! s:UI.centerView()
+    if g:NERDTreeAutoCenter
+        let current_line = winline()
+        let lines_to_top = current_line
+        let lines_to_bottom = winheight(nerdtree#getTreeWinNum()) - current_line
+        if lines_to_top < g:NERDTreeAutoCenterThreshold || lines_to_bottom < g:NERDTreeAutoCenterThreshold
+            normal! zz
+        endif
+    endif
+endfunction
+
+"FUNCTION: s:UI.new(nerdtree) {{{1
+function! s:UI.New(nerdtree)
+    let newObj = copy(self)
+    let newObj.nerdtree = a:nerdtree
+    return newObj
+endfunction
+
+"FUNCTION: s:UI.getPath(ln) {{{1
+"Gets the full path to the node that is rendered on the given line number
+"
+"Args:
+"ln: the line number to get the path for
+"
+"Return:
+"A path if a node was selected, {} if nothing is selected.
+"If the 'up a dir' line was selected then the path to the parent of the
+"current root is returned
+function! s:UI.getPath(ln)
+    let line = getline(a:ln)
+
+    let rootLine = self.getRootLineNum()
+
+    "check to see if we have the root node
+    if a:ln == rootLine
+        return b:NERDTreeRoot.path
+    endif
+
+    if !g:NERDTreeDirArrows
+        " in case called from outside the tree
+        if line !~# '^ *[|`▸▾ ]' || line =~# '^$'
+            return {}
+        endif
+    endif
+
+    if line ==# nerdtree#treeUpDirLine()
+        return b:NERDTreeRoot.path.getParent()
+    endif
+
+    let indent = self._indentLevelFor(line)
+
+    "remove the tree parts and the leading space
+    let curFile = nerdtree#stripMarkupFromLine(line, 0)
+
+    let wasdir = 0
+    if curFile =~# '/$'
+        let wasdir = 1
+        let curFile = substitute(curFile, '/\?$', '/', "")
+    endif
+
+    let dir = ""
+    let lnum = a:ln
+    while lnum > 0
+        let lnum = lnum - 1
+        let curLine = getline(lnum)
+        let curLineStripped = nerdtree#stripMarkupFromLine(curLine, 1)
+
+        "have we reached the top of the tree?
+        if lnum == rootLine
+            let dir = b:NERDTreeRoot.path.str({'format': 'UI'}) . dir
+            break
+        endif
+        if curLineStripped =~# '/$'
+            let lpindent = self._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 = g:NERDTreePath.New(curFile)
+    return toReturn
+endfunction
+
+"FUNCTION: s:UI.getLineNum(file_node){{{1
+"returns the line number this node is rendered on, or -1 if it isnt rendered
+function! s:UI.getLineNum(file_node)
+    "if the node is the root then return the root line no.
+    if a:file_node.isRoot()
+        return b:NERDTree.ui.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 = a:file_node.path.str({'format': 'UI'})
+
+    let lnum = b:NERDTree.ui.getRootLineNum()
+    while lnum > 0
+        let lnum = lnum + 1
+        "have we reached the bottom of the tree?
+        if lnum ==# totalLines+1
+            return -1
+        endif
+
+        let curLine = getline(lnum)
+
+        let indent = self._indentLevelFor(curLine)
+        if indent ==# curPathComponent
+            let curLine = nerdtree#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: s:UI.getRootLineNum(){{{1
+"gets the line number of the root node
+function! s:UI.getRootLineNum()
+    let rootLine = 1
+    while getline(rootLine) !~# '^\(/\|<\)'
+        let rootLine = rootLine + 1
+    endwhile
+    return rootLine
+endfunction
+
+"FUNCTION: s:UI._indentLevelFor(line) {{{2
+function! s:UI._indentLevelFor(line)
+    let level = match(a:line, '[^ \-+~▸▾`|]') / nerdtree#treeWid()
+    " 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:UI.restoreScreenState() {{{2
+"
+"Sets the screen state back to what it was when nerdtree#saveScreenState was last
+"called.
+"
+"Assumes the cursor is in the NERDTree window
+function! s:UI.restoreScreenState()
+    if !has_key(self, '_screenState')
+        return
+    endif
+    exec("silent vertical resize " . self._screenState['oldWindowSize'])
+
+    let old_scrolloff=&scrolloff
+    let &scrolloff=0
+    call cursor(self._screenState['oldTopLine'], 0)
+    normal! zt
+    call setpos(".", self._screenState['oldPos'])
+    let &scrolloff=old_scrolloff
+endfunction
+
+"FUNCTION: s:UI.saveScreenState() {{{2
+"Saves the current cursor position in the current buffer and the window
+"scroll position
+function! s:UI.saveScreenState()
+    let win = winnr()
+    try
+        call nerdtree#putCursorInTreeWin()
+        let self._screenState = {}
+        let self._screenState['oldPos'] = getpos(".")
+        let self._screenState['oldTopLine'] = line("w0")
+        let self._screenState['oldWindowSize']= winwidth("")
+        call nerdtree#exec(win . "wincmd w")
+    catch /^NERDTree.InvalidOperationError/
+    endtry
+endfunction
+
+"FUNCTION: s:UI.render() {{{2
+function! s:UI.render()
+    setlocal modifiable
+
+    "remember the top line of the buffer and the current line so we can
+    "restore the view exactly how it was
+    let curLine = line(".")
+    let curCol = col(".")
+    let topLine = line("w0")
+
+    "delete all lines in the buffer (being careful not to clobber a register)
+    silent 1,$delete _
+
+    call nerdtree#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 nerdtree#renderBookmarks()
+    endif
+
+    "add the 'up a dir' line
+    if !g:NERDTreeMinimalUI
+        call setline(line(".")+1, nerdtree#treeUpDirLine())
+        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: UI.renderViewSavingPosition {{{1
+"Renders the tree and ensures the cursor stays on the current node or the
+"current nodes parent if it is no longer available upon re-rendering
+function! s:UI.renderViewSavingPosition()
+    let currentNode = g:NERDTreeFileNode.GetSelected()
+
+    "go up the tree till we find a node that will be visible or till we run
+    "out of nodes
+    while currentNode != {} && !currentNode.isVisible() && !currentNode.isRoot()
+        let currentNode = currentNode.parent
+    endwhile
+
+    call b:NERDTree.render()
+
+    if currentNode != {}
+        call currentNode.putCursorHere(0, 0)
+    endif
+endfunction
+
+" FUNCTION: s:UI.toggleIgnoreFilter() {{{1
+" toggles the use of the NERDTreeIgnore option
+function! s:UI.toggleIgnoreFilter()
+    let b:NERDTreeIgnoreEnabled = !b:NERDTreeIgnoreEnabled
+    call b:NERDTree.ui.renderViewSavingPosition()
+    call b:NERDTree.ui.centerView()
+endfunction
+
+" FUNCTION: s:UI.toggleShowBookmarks() {{{1
+" toggles the display of bookmarks
+function! s:UI.toggleShowBookmarks()
+    let b:NERDTreeShowBookmarks = !b:NERDTreeShowBookmarks
+    if b:NERDTreeShowBookmarks
+        call b:NERDTree.render()
+        call nerdtree#putCursorOnBookmarkTable()
+    else
+        call b:NERDTree.ui.renderViewSavingPosition()
+    endif
+    call b:NERDTree.ui.centerView()
+endfunction
+
+" FUNCTION: s:UI.toggleShowFiles() {{{1
+" toggles the display of hidden files
+function! s:UI.toggleShowFiles()
+    let b:NERDTreeShowFiles = !b:NERDTreeShowFiles
+    call b:NERDTree.ui.renderViewSavingPosition()
+    call b:NERDTree.ui.centerView()
+endfunction
+
+" FUNCTION: s:UI.toggleShowHidden() {{{1
+" toggles the display of hidden files
+function! s:UI.toggleShowHidden()
+    let b:NERDTreeShowHidden = !b:NERDTreeShowHidden
+    call b:NERDTree.ui.renderViewSavingPosition()
+    call self.centerView()
+endfunction
+
+" FUNCTION: s:UI.toggleZoom() {{{1
+" zoom (maximize/minimize) the NERDTree window
+function! s:UI.toggleZoom()
+    if exists("b:NERDTreeZoomed") && b:NERDTreeZoomed
+        let size = exists("b:NERDTreeOldWindowSize") ? b:NERDTreeOldWindowSize : g:NERDTreeWinSize
+        exec "silent vertical resize ". size
+        let b:NERDTreeZoomed = 0
+    else
+        exec "vertical resize"
+        let b:NERDTreeZoomed = 1
+    endif
+endfunction