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Show file lines (#1384)

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* Added showing lines of files in NERDTRee.

* Added dynamic binding and documentation

---------

Co-authored-by: Diallo Han <diallo@hpcnt.com>
This commit is contained in:
Ali Rezvani
2023-11-15 15:32:17 +03:30
committed by GitHub
parent 4c588f1820
commit 0cb04e9245
6 changed files with 90 additions and 0 deletions
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19
lib/nerdtree/path.vim
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@@ -65,6 +65,25 @@ function! s:Path.cacheDisplayString() abort
let self.cachedDisplayString = self.addDelimiter(self.cachedDisplayString) . ' -> ' . self.symLinkDest
endif
if !self.isDirectory && b:NERDTree.ui.getShowFileLines() != 0
let l:bufname = self.str({'format': 'Edit'})
let l:lines = 0
if executable('wc')
let l:lines = split(system('wc -l "'.l:bufname.'"'))[0]
elseif nerdtree#runningWindows()
let l:lines = substitute(system('type "'.l:bufname.'" | find /c /v ""'), '\n', '', 'g')
else
let s:lines = readfile(l:bufname)
let l:lines = 0
for s:line in s:lines
let l:lines += 1
if l:lines >= 20000
break
endif
endfor
endif
let self.cachedDisplayString = self.addDelimiter(self.cachedDisplayString) . ' ('.l:lines.')'
endif
if self.isReadOnly
let self.cachedDisplayString = self.addDelimiter(self.cachedDisplayString) . ' ['.g:NERDTreeGlyphReadOnly.']'
endif

16
lib/nerdtree/ui.vim
View File

@@ -103,6 +103,7 @@ function! s:UI._dumpHelp()
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"
let help .= '" '. g:NERDTreeMapToggleFileLines .': files lines (' . (self.getShowFileLines() ? 'on' : 'off') . ")\n"
" add quickhelp entries for each custom key map
let help .= "\"\n\" ----------------------------\n"
@@ -147,6 +148,7 @@ function! s:UI.New(nerdtree)
let newObj._showFiles = g:NERDTreeShowFiles
let newObj._showHidden = g:NERDTreeShowHidden
let newObj._showBookmarks = g:NERDTreeShowBookmarks
let newObj._showFileLines = g:NERDTreeFileLines
return newObj
endfunction
@@ -284,6 +286,11 @@ function! s:UI.getShowHidden()
return self._showHidden
endfunction
" FUNCTION: s:UI.getShowFileLines() {{{1
function! s:UI.getShowFileLines()
return self._showFileLines
endfunction
" FUNCTION: s:UI._indentLevelFor(line) {{{1
function! s:UI._indentLevelFor(line)
" Replace multi-character DirArrows with a single space so the
@@ -512,6 +519,15 @@ function! s:UI.toggleShowHidden()
call self.centerView()
endfunction
" FUNCTION: s:UI.toggleShowFileLines() {{{1
" toggles the display of file lines
function! s:UI.toggleShowFileLines()
let self._showFileLines = !self._showFileLines
call self.nerdtree.root.refresh()
call self.renderViewSavingPosition()
call self.centerView()
endfunction
" FUNCTION: s:UI.toggleZoom() {{{1
" zoom (maximize/minimize) the NERDTree window
function! s:UI.toggleZoom()