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Diffstat (limited to '.config/nvim/plugged/nerdtree/lib/nerdtree/ui.vim')
| -rw-r--r-- | .config/nvim/plugged/nerdtree/lib/nerdtree/ui.vim | 529 |
1 files changed, 529 insertions, 0 deletions
diff --git a/.config/nvim/plugged/nerdtree/lib/nerdtree/ui.vim b/.config/nvim/plugged/nerdtree/lib/nerdtree/ui.vim new file mode 100644 index 0000000..9ffadf6 --- /dev/null +++ b/.config/nvim/plugged/nerdtree/lib/nerdtree/ui.vim @@ -0,0 +1,529 @@ +" ============================================================================ +" CLASS: UI +" ============================================================================ + + +let s:UI = {} +let g:NERDTreeUI = s:UI + +" FUNCTION: s:UI.centerView() {{{1 +" centers the nerd tree window around the cursor (provided the nerd tree +" options permit) +function! s:UI.centerView() + if g:NERDTreeAutoCenter + let current_line = winline() + let lines_to_top = current_line + let lines_to_bottom = winheight(g:NERDTree.GetWinNum()) - current_line + if lines_to_top < g:NERDTreeAutoCenterThreshold || lines_to_bottom < g:NERDTreeAutoCenterThreshold + normal! zz + endif + endif +endfunction + +" FUNCTION: s:UI._dumpHelp {{{1 +" prints out the quick help +function! s:UI._dumpHelp() + if self.getShowHelp() + let help = "\" NERDTree (" . nerdtree#version() . ") quickhelp~\n" + let help .= "\" ============================\n" + let help .= "\" File node mappings~\n" + let help .= '" '. (g:NERDTreeMouseMode ==# 3 ? 'single' : 'double') ."-click,\n" + if self.nerdtree.isTabTree() + let help .= '" '. g:NERDTreeMapActivateNode .": open in prev window\n" + else + let help .= '" '. g:NERDTreeMapActivateNode .": open in current window\n" + endif + if self.nerdtree.isTabTree() + let help .= '" '. g:NERDTreeMapPreview .": preview\n" + endif + let help .= '" '. g:NERDTreeMapOpenInTab.": open in new tab\n" + let help .= '" '. g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n" + let help .= "\" middle-click,\n" + let help .= '" '. g:NERDTreeMapOpenSplit .": open split\n" + let help .= '" '. g:NERDTreeMapPreviewSplit .": preview split\n" + let help .= '" '. g:NERDTreeMapOpenVSplit .": open vsplit\n" + let help .= '" '. g:NERDTreeMapPreviewVSplit .": preview vsplit\n" + let help .= '" '. g:NERDTreeMapCustomOpen .": custom open\n" + + let help .= "\"\n\" ----------------------------\n" + let help .= "\" Directory node mappings~\n" + let help .= '" '. (g:NERDTreeMouseMode ==# 1 ? 'double' : 'single') ."-click,\n" + let help .= '" '. g:NERDTreeMapActivateNode .": open & close node\n" + let help .= '" '. g:NERDTreeMapOpenRecursively .": recursively open node\n" + let help .= '" '. g:NERDTreeMapOpenInTab.": open in new tab\n" + let help .= '" '. g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n" + let help .= '" '. g:NERDTreeMapCustomOpen .": custom open\n" + let help .= '" '. g:NERDTreeMapCloseDir .": close parent of node\n" + let help .= '" '. g:NERDTreeMapCloseChildren .": close all child nodes of\n" + let help .= "\" current node recursively\n" + let help .= "\" middle-click,\n" + let help .= '" '. g:NERDTreeMapOpenExpl.": explore selected dir\n" + + let help .= "\"\n\" ----------------------------\n" + let help .= "\" Bookmark table mappings~\n" + let help .= "\" double-click,\n" + let help .= '" '. g:NERDTreeMapActivateNode .": open bookmark\n" + let help .= '" '. g:NERDTreeMapPreview .": preview file\n" + let help .= '" '. g:NERDTreeMapPreview .": find dir in tree\n" + let help .= '" '. g:NERDTreeMapOpenInTab.": open in new tab\n" + let help .= '" '. g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n" + let help .= '" '. g:NERDTreeMapCustomOpen .": custom open\n" + let help .= '" '. g:NERDTreeMapDeleteBookmark .": delete bookmark\n" + + let help .= "\"\n\" ----------------------------\n" + let help .= "\" Tree navigation mappings~\n" + let help .= '" '. g:NERDTreeMapJumpRoot .": go to root\n" + let help .= '" '. g:NERDTreeMapJumpParent .": go to parent\n" + let help .= '" '. g:NERDTreeMapJumpFirstChild .": go to first child\n" + let help .= '" '. g:NERDTreeMapJumpLastChild .": go to last child\n" + let help .= '" '. g:NERDTreeMapJumpNextSibling .": go to next sibling\n" + let help .= '" '. g:NERDTreeMapJumpPrevSibling .": go to prev sibling\n" + + let help .= "\"\n\" ----------------------------\n" + let help .= "\" Filesystem mappings~\n" + let help .= '" '. g:NERDTreeMapChangeRoot .": change tree root to the\n" + let help .= "\" selected dir\n" + let help .= '" '. g:NERDTreeMapUpdir .": move tree root up a dir\n" + let help .= '" '. g:NERDTreeMapUpdirKeepOpen .": move tree root up a dir\n" + let help .= "\" but leave old root open\n" + let help .= '" '. g:NERDTreeMapRefresh .": refresh cursor dir\n" + let help .= '" '. g:NERDTreeMapRefreshRoot .": refresh current root\n" + let help .= '" '. g:NERDTreeMapMenu .": Show menu\n" + let help .= '" '. g:NERDTreeMapChdir .":change the CWD to the\n" + let help .= "\" selected dir\n" + let help .= '" '. g:NERDTreeMapCWD .":change tree root to CWD\n" + + let help .= "\"\n\" ----------------------------\n" + let help .= "\" Tree filtering mappings~\n" + let help .= '" '. g:NERDTreeMapToggleHidden .': hidden files (' . (self.getShowHidden() ? 'on' : 'off') . ")\n" + let help .= '" '. g:NERDTreeMapToggleFilters .': file filters (' . (self.isIgnoreFilterEnabled() ? 'on' : 'off') . ")\n" + let help .= '" '. g:NERDTreeMapToggleFiles .': files (' . (self.getShowFiles() ? 'on' : 'off') . ")\n" + let help .= '" '. g:NERDTreeMapToggleBookmarks .': bookmarks (' . (self.getShowBookmarks() ? 'on' : 'off') . ")\n" + + " add quickhelp entries for each custom key map + let help .= "\"\n\" ----------------------------\n" + let help .= "\" Custom mappings~\n" + for i in g:NERDTreeKeyMap.All() + if !empty(i.quickhelpText) + let help .= '" '. i.key .': '. i.quickhelpText ."\n" + endif + endfor + + let help .= "\"\n\" ----------------------------\n" + let help .= "\" Other mappings~\n" + let help .= '" '. g:NERDTreeMapQuit .": Close the NERDTree window\n" + let help .= '" '. g:NERDTreeMapToggleZoom .": Zoom (maximize-minimize)\n" + let help .= "\" the NERDTree window\n" + let help .= '" '. g:NERDTreeMapHelp .": toggle help\n" + let help .= "\"\n\" ----------------------------\n" + let help .= "\" Bookmark commands~\n" + let help .= "\" :Bookmark [<name>]\n" + let help .= "\" :BookmarkToRoot <name>\n" + let help .= "\" :RevealBookmark <name>\n" + let help .= "\" :OpenBookmark <name>\n" + let help .= "\" :ClearBookmarks [<names>]\n" + let help .= "\" :ClearAllBookmarks\n" + let help .= "\" :ReadBookmarks\n" + let help .= "\" :WriteBookmarks\n" + let help .= "\" :EditBookmarks\n" + silent! put =help + elseif !self.isMinimal() + let help ='" Press '. g:NERDTreeMapHelp ." for help\n" + silent! put =help + endif +endfunction + + +" FUNCTION: s:UI.new(nerdtree) {{{1 +function! s:UI.New(nerdtree) + let newObj = copy(self) + let newObj.nerdtree = a:nerdtree + let newObj._showHelp = 0 + let newObj._ignoreEnabled = 1 + let newObj._showFiles = g:NERDTreeShowFiles + let newObj._showHidden = g:NERDTreeShowHidden + let newObj._showBookmarks = g:NERDTreeShowBookmarks + + return newObj +endfunction + +" FUNCTION: s:UI.getPath(ln) {{{1 +" Return the Path object for the node that is rendered on the given line +" number. If the 'up a dir' line is selected, return the Path object for +" the parent of the root. Return the empty dictionary if the given line +" does not reference a tree node. +function! s:UI.getPath(ln) + let line = getline(a:ln) + + let rootLine = self.getRootLineNum() + + if a:ln ==# rootLine + return self.nerdtree.root.path + endif + + if line ==# s:UI.UpDirLine() + return self.nerdtree.root.path.getParent() + endif + + if a:ln < rootLine + return {} + endif + + let indent = self._indentLevelFor(line) + + " remove the tree parts and the leading space + let curFile = self._stripMarkup(line) + + let dir = '' + let lnum = a:ln + while lnum > 0 + let lnum = lnum - 1 + let curLine = getline(lnum) + let curLineStripped = self._stripMarkup(curLine) + + " have we reached the top of the tree? + if lnum ==# rootLine + let dir = self.nerdtree.root.path.str({'format': 'UI'}) . dir + break + endif + if curLineStripped =~# '/$' + let lpindent = self._indentLevelFor(curLine) + if lpindent < indent + let indent = indent - 1 + + let dir = substitute (curLineStripped,'^\\', '', '') . dir + continue + endif + endif + endwhile + let curFile = self.nerdtree.root.path.drive . dir . curFile + let toReturn = g:NERDTreePath.New(curFile) + return toReturn +endfunction + +" FUNCTION: s:UI.getLineNum(node) {{{1 +" Return the line number where the given node is rendered. Return -1 if the +" given node is not visible. +function! s:UI.getLineNum(node) + + if a:node.isRoot() + return self.getRootLineNum() + endif + + let l:pathComponents = [substitute(self.nerdtree.root.path.str({'format': 'UI'}), '/\s*$', '', '')] + let l:currentPathComponent = 1 + + let l:fullPath = a:node.path.str({'format': 'UI'}) + + for l:lineNumber in range(self.getRootLineNum() + 1, line('$')) + let l:currentLine = getline(l:lineNumber) + let l:indentLevel = self._indentLevelFor(l:currentLine) + + if l:indentLevel !=# l:currentPathComponent + continue + endif + + let l:currentLine = self._stripMarkup(l:currentLine) + let l:currentPath = join(l:pathComponents, '/') . '/' . l:currentLine + + " Directories: If the current path 'starts with' the full path, then + " either the paths are equal or the line is a cascade containing the + " full path. + if l:fullPath[-1:] ==# '/' && stridx(l:currentPath, l:fullPath) ==# 0 + return l:lineNumber + endif + + " Files: The paths must exactly match. + if l:fullPath ==# l:currentPath + return l:lineNumber + endif + + " Otherwise: If the full path starts with the current path and the + " current path is a directory, we add a new path component. + if stridx(l:fullPath, l:currentPath) ==# 0 && l:currentPath[-1:] ==# '/' + let l:currentLine = substitute(l:currentLine, '/\s*$', '', '') + call add(l:pathComponents, l:currentLine) + let l:currentPathComponent += 1 + endif + endfor + + return -1 +endfunction + +" FUNCTION: s:UI.getRootLineNum(){{{1 +" gets the line number of the root node +function! s:UI.getRootLineNum() + let rootLine = 1 + while rootLine <= line('$') && getline(rootLine) !~# '^\(/\|<\)' + let rootLine = rootLine + 1 + endwhile + return rootLine +endfunction + +" FUNCTION: s:UI.getShowBookmarks() {{{1 +function! s:UI.getShowBookmarks() + return self._showBookmarks +endfunction + +" FUNCTION: s:UI.getShowFiles() {{{1 +function! s:UI.getShowFiles() + return self._showFiles +endfunction + +" FUNCTION: s:UI.getShowHelp() {{{1 +function! s:UI.getShowHelp() + return self._showHelp +endfunction + +" FUNCTION: s:UI.getShowHidden() {{{1 +function! s:UI.getShowHidden() + return self._showHidden +endfunction + +" FUNCTION: s:UI._indentLevelFor(line) {{{1 +function! s:UI._indentLevelFor(line) + " Replace multi-character DirArrows with a single space so the + " indentation calculation doesn't get messed up. + if g:NERDTreeDirArrowExpandable ==# '' + let l:line = ' '.a:line + else + let l:line = substitute(substitute(a:line, '\V'.g:NERDTreeDirArrowExpandable, ' ', ''), '\V'.g:NERDTreeDirArrowCollapsible, ' ', '') + endif + let leadChars = match(l:line, '\M\[^ ]') + return leadChars / s:UI.IndentWid() +endfunction + +" FUNCTION: s:UI.IndentWid() {{{1 +function! s:UI.IndentWid() + return 2 +endfunction + +" FUNCTION: s:UI.isIgnoreFilterEnabled() {{{1 +function! s:UI.isIgnoreFilterEnabled() + return self._ignoreEnabled ==# 1 +endfunction + +" FUNCTION: s:UI.isMinimal() {{{1 +function! s:UI.isMinimal() + return g:NERDTreeMinimalUI +endfunction + +" FUNCTION: s:UI.MarkupReg() {{{1 +function! s:UI.MarkupReg() + return '^ *['.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsible.']\? ' +endfunction + +" FUNCTION: s:UI._renderBookmarks {{{1 +function! s:UI._renderBookmarks() + + if !self.isMinimal() + call setline(line('.')+1, '>----------Bookmarks----------') + call cursor(line('.')+1, col('.')) + endif + + if g:NERDTreeBookmarksSort ==# 1 || g:NERDTreeBookmarksSort ==# 2 + call g:NERDTreeBookmark.SortBookmarksList() + endif + + for i in g:NERDTreeBookmark.Bookmarks() + call setline(line('.')+1, i.str()) + call cursor(line('.')+1, col('.')) + endfor + + call setline(line('.')+1, '') + call cursor(line('.')+1, col('.')) +endfunction + +" FUNCTION: s:UI.restoreScreenState() {{{1 +" +" Sets the screen state back to what it was when nerdtree#saveScreenState was last +" called. +" +" Assumes the cursor is in the NERDTree window +function! s:UI.restoreScreenState() + if !has_key(self, '_screenState') + return + endif + call nerdtree#exec('silent vertical resize ' . self._screenState['oldWindowSize'], 1) + + let old_scrolloff=&scrolloff + let &scrolloff=0 + call cursor(self._screenState['oldTopLine'], 0) + normal! zt + call setpos('.', self._screenState['oldPos']) + let &scrolloff=old_scrolloff +endfunction + +" FUNCTION: s:UI.saveScreenState() {{{1 +" Saves the current cursor position in the current buffer and the window +" scroll position +function! s:UI.saveScreenState() + let win = winnr() + let self._screenState = {} + try + call g:NERDTree.CursorToTreeWin() + let self._screenState['oldPos'] = getpos('.') + let self._screenState['oldTopLine'] = line('w0') + let self._screenState['oldWindowSize']= winwidth('') + call nerdtree#exec(win . 'wincmd w', 1) + catch + endtry +endfunction + +" FUNCTION: s:UI.setShowHidden(val) {{{1 +function! s:UI.setShowHidden(val) + let self._showHidden = a:val +endfunction + +" FUNCTION: s:UI._stripMarkup(line){{{1 +" find the filename in the given line, and return it. +" +" Args: +" line: the subject line +function! s:UI._stripMarkup(line) + let l:line = substitute(a:line, '^.\{-}' . g:NERDTreeNodeDelimiter, '', '') + return substitute(l:line, g:NERDTreeNodeDelimiter.'.*$', '', '') +endfunction + +" FUNCTION: s:UI.render() {{{1 +function! s:UI.render() + setlocal noreadonly modifiable + + " remember the top line of the buffer and the current line so we can + " restore the view exactly how it was + let curLine = line('.') + let curCol = col('.') + let topLine = line('w0') + + " delete all lines in the buffer (being careful not to clobber a register) + silent 1,$delete _ + + call self._dumpHelp() + + " delete the blank line before the help and add one after it + if !self.isMinimal() + call setline(line('.')+1, '') + call cursor(line('.')+1, col('.')) + endif + + if self.getShowBookmarks() + call self._renderBookmarks() + endif + + " add the 'up a dir' line + if !self.isMinimal() + call setline(line('.')+1, s:UI.UpDirLine()) + call cursor(line('.')+1, col('.')) + endif + + " draw the header line + let header = self.nerdtree.root.path.str({'format': 'UI', 'truncateTo': winwidth(0)}) + call setline(line('.')+1, header) + call cursor(line('.')+1, col('.')) + + " draw the tree + silent put =self.nerdtree.root.renderToString() + + " delete the blank line at the top of the buffer + silent 1,1delete _ + + " restore the view + let old_scrolloff=&scrolloff + let &scrolloff=0 + call cursor(topLine, 1) + normal! zt + call cursor(curLine, curCol) + let &scrolloff = old_scrolloff + + setlocal readonly nomodifiable +endfunction + + +" FUNCTION: UI.renderViewSavingPosition {{{1 +" Renders the tree and ensures the cursor stays on the current node or the +" current nodes parent if it is no longer available upon re-rendering +function! s:UI.renderViewSavingPosition() + let currentNode = g:NERDTreeFileNode.GetSelected() + + " go up the tree till we find a node that will be visible or till we run + " out of nodes + while currentNode !=# {} && !currentNode.isVisible() && !currentNode.isRoot() + let currentNode = currentNode.parent + endwhile + + call self.render() + + if currentNode !=# {} + call currentNode.putCursorHere(0, 0) + endif +endfunction + +" FUNCTION: s:UI.toggleHelp() {{{1 +function! s:UI.toggleHelp() + let self._showHelp = !self._showHelp +endfunction + +" FUNCTION: s:UI.toggleIgnoreFilter() {{{1 +" toggles the use of the NERDTreeIgnore option +function! s:UI.toggleIgnoreFilter() + let self._ignoreEnabled = !self._ignoreEnabled + call self.renderViewSavingPosition() + call self.centerView() +endfunction + +" FUNCTION: s:UI.toggleShowBookmarks() {{{1 +" Toggle the visibility of the Bookmark table. +function! s:UI.toggleShowBookmarks() + let self._showBookmarks = !self._showBookmarks + + if self.getShowBookmarks() + call self.nerdtree.render() + call g:NERDTree.CursorToBookmarkTable() + else + + if empty(g:NERDTreeFileNode.GetSelected()) + call b:NERDTree.root.putCursorHere(0, 0) + normal! 0 + endif + + call self.renderViewSavingPosition() + endif + + call self.centerView() +endfunction + +" FUNCTION: s:UI.toggleShowFiles() {{{1 +" toggles the display of hidden files +function! s:UI.toggleShowFiles() + let self._showFiles = !self._showFiles + call self.renderViewSavingPosition() + call self.centerView() +endfunction + +" FUNCTION: s:UI.toggleShowHidden() {{{1 +" toggles the display of hidden files +function! s:UI.toggleShowHidden() + let self._showHidden = !self._showHidden + call self.renderViewSavingPosition() + call self.centerView() +endfunction + +" FUNCTION: s:UI.toggleZoom() {{{1 +" zoom (maximize/minimize) the NERDTree window +function! s:UI.toggleZoom() + if exists('b:NERDTreeZoomed') && b:NERDTreeZoomed + let size = exists('b:NERDTreeOldWindowSize') ? b:NERDTreeOldWindowSize : g:NERDTreeWinSize + call nerdtree#exec('silent vertical resize '. size, 1) + let b:NERDTreeZoomed = 0 + else + call nerdtree#exec('vertical resize '. get(g:, 'NERDTreeWinSizeMax', ''), 1) + let b:NERDTreeZoomed = 1 + endif +endfunction + +" FUNCTION: s:UI.UpDirLine() {{{1 +function! s:UI.UpDirLine() + return '.. (up a dir)' +endfunction + +" vim: set sw=4 sts=4 et fdm=marker: |