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Format the commentary in "ui.vim"

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Jason Franklin 2018-01-06 09:10:10 -05:00
parent c6a68d4b96
commit 1e93f6840a
1 changed files with 76 additions and 73 deletions
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149
lib/nerdtree/ui.vim
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@ -1,11 +1,14 @@
"CLASS: UI
"============================================================
" ============================================================================
" CLASS: UI
" ============================================================================
let s:UI = {}
let g:NERDTreeUI = s:UI
"FUNCTION: s:UI.centerView() {{{2
"centers the nerd tree window around the cursor (provided the nerd tree
"options permit)
" 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()
@ -17,8 +20,8 @@ function! s:UI.centerView()
endif
endfunction
"FUNCTION: s:UI._dumpHelp {{{1
"prints out the quick help
" FUNCTION: s:UI._dumpHelp {{{1
" prints out the quick help
function! s:UI._dumpHelp()
if self.getShowHelp()
let help = "\" NERDTree (" . nerdtree#version() . ") quickhelp~\n"
@ -93,7 +96,7 @@ function! s:UI._dumpHelp()
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
" add quickhelp entries for each custom key map
let help .= "\"\n\" ----------------------------\n"
let help .= "\" Custom mappings~\n"
for i in g:NERDTreeKeyMap.All()
@ -124,7 +127,7 @@ function! s:UI._dumpHelp()
endfunction
"FUNCTION: s:UI.new(nerdtree) {{{1
" FUNCTION: s:UI.new(nerdtree) {{{1
function! s:UI.New(nerdtree)
let newObj = copy(self)
let newObj.nerdtree = a:nerdtree
@ -137,22 +140,22 @@ function! s:UI.New(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
" 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
" 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
" 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
" check to see if we have the root node
if a:ln == rootLine
return self.nerdtree.root.path
endif
@ -163,7 +166,7 @@ function! s:UI.getPath(ln)
let indent = self._indentLevelFor(line)
"remove the tree parts and the leading space
" remove the tree parts and the leading space
let curFile = self._stripMarkup(line)
let dir = ""
@ -173,7 +176,7 @@ function! s:UI.getPath(ln)
let curLine = getline(lnum)
let curLineStripped = self._stripMarkup(curLine)
"have we reached the top of the tree?
" have we reached the top of the tree?
if lnum == rootLine
let dir = self.nerdtree.root.path.str({'format': 'UI'}) . dir
break
@ -193,19 +196,19 @@ function! s:UI.getPath(ln)
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){{{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 the node is the root then return the root line no.
if a:file_node.isRoot()
return self.getRootLineNum()
endif
let totalLines = line("$")
"the path components we have matched so far
" the path components we have matched so far
let pathcomponents = [substitute(self.nerdtree.root.path.str({'format': 'UI'}), '/ *$', '', '')]
"the index of the component we are searching for
" the index of the component we are searching for
let curPathComponent = 1
let fullpath = a:file_node.path.str({'format': 'UI'})
@ -213,7 +216,7 @@ function! s:UI.getLineNum(file_node)
let lnum = self.getRootLineNum()
while lnum > 0
let lnum = lnum + 1
"have we reached the bottom of the tree?
" have we reached the bottom of the tree?
if lnum ==# totalLines+1
return -1
endif
@ -241,8 +244,8 @@ function! s:UI.getLineNum(file_node)
return -1
endfunction
"FUNCTION: s:UI.getRootLineNum(){{{1
"gets the line number of the root node
" FUNCTION: s:UI.getRootLineNum(){{{1
" gets the line number of the root node
function! s:UI.getRootLineNum()
let rootLine = 1
while getline(rootLine) !~# '^\(/\|<\)'
@ -251,29 +254,29 @@ function! s:UI.getRootLineNum()
return rootLine
endfunction
"FUNCTION: s:UI.getShowBookmarks() {{{1
" FUNCTION: s:UI.getShowBookmarks() {{{1
function! s:UI.getShowBookmarks()
return self._showBookmarks
endfunction
"FUNCTION: s:UI.getShowFiles() {{{1
" FUNCTION: s:UI.getShowFiles() {{{1
function! s:UI.getShowFiles()
return self._showFiles
endfunction
"FUNCTION: s:UI.getShowHelp() {{{1
" FUNCTION: s:UI.getShowHelp() {{{1
function! s:UI.getShowHelp()
return self._showHelp
endfunction
"FUNCTION: s:UI.getShowHidden() {{{1
" FUNCTION: s:UI.getShowHidden() {{{1
function! s:UI.getShowHidden()
return self._showHidden
endfunction
"FUNCTION: s:UI._indentLevelFor(line) {{{1
" FUNCTION: s:UI._indentLevelFor(line) {{{1
function! s:UI._indentLevelFor(line)
"have to do this work around because match() returns bytes, not chars
" have to do this work around because match() returns bytes, not chars
let numLeadBytes = match(a:line, '\M\[^ '.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsible.']')
" The next line is a backward-compatible workaround for strchars(a:line(0:numLeadBytes-1]). strchars() is in 7.3+
let leadChars = len(split(a:line[0:numLeadBytes-1], '\zs'))
@ -281,27 +284,27 @@ function! s:UI._indentLevelFor(line)
return leadChars / s:UI.IndentWid()
endfunction
"FUNCTION: s:UI.IndentWid() {{{1
" FUNCTION: s:UI.IndentWid() {{{1
function! s:UI.IndentWid()
return 2
endfunction
"FUNCTION: s:UI.isIgnoreFilterEnabled() {{{1
" FUNCTION: s:UI.isIgnoreFilterEnabled() {{{1
function! s:UI.isIgnoreFilterEnabled()
return self._ignoreEnabled == 1
endfunction
"FUNCTION: s:UI.isMinimal() {{{1
" FUNCTION: s:UI.isMinimal() {{{1
function! s:UI.isMinimal()
return g:NERDTreeMinimalUI
endfunction
"FUNCTION: s:UI.MarkupReg() {{{1
" FUNCTION: s:UI.MarkupReg() {{{1
function! s:UI.MarkupReg()
return '^\(['.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsible.'] \| \+['.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsible.'] \| \+\)'
endfunction
"FUNCTION: s:UI._renderBookmarks {{{1
" FUNCTION: s:UI._renderBookmarks {{{1
function! s:UI._renderBookmarks()
if !self.isMinimal()
@ -322,12 +325,12 @@ function! s:UI._renderBookmarks()
call cursor(line(".")+1, col("."))
endfunction
"FUNCTION: s:UI.restoreScreenState() {{{1
" FUNCTION: s:UI.restoreScreenState() {{{1
"
"Sets the screen state back to what it was when nerdtree#saveScreenState was last
"called.
" Sets the screen state back to what it was when nerdtree#saveScreenState was last
" called.
"
"Assumes the cursor is in the NERDTree window
" Assumes the cursor is in the NERDTree window
function! s:UI.restoreScreenState()
if !has_key(self, '_screenState')
return
@ -342,9 +345,9 @@ function! s:UI.restoreScreenState()
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() {{{1
" Saves the current cursor position in the current buffer and the window
" scroll position
function! s:UI.saveScreenState()
let win = winnr()
call g:NERDTree.CursorToTreeWin()
@ -355,31 +358,31 @@ function! s:UI.saveScreenState()
call nerdtree#exec(win . "wincmd w")
endfunction
"FUNCTION: s:UI.setShowHidden(val) {{{1
" FUNCTION: s:UI.setShowHidden(val) {{{1
function! s:UI.setShowHidden(val)
let self._showHidden = a:val
endfunction
"FUNCTION: s:UI._stripMarkup(line){{{1
"returns the given line with all the tree parts stripped off
" FUNCTION: s:UI._stripMarkup(line){{{1
" returns the given line with all the tree parts stripped off
"
"Args:
"line: the subject line
" Args:
" line: the subject line
function! s:UI._stripMarkup(line)
let line = a:line
"remove the tree parts and the leading space
" remove the tree parts and the leading space
let line = substitute (line, g:NERDTreeUI.MarkupReg(),"","")
"strip off any read only flag
" strip off any read only flag
let line = substitute (line, ' \['.g:NERDTreeGlyphReadOnly.'\]', "","")
"strip off any bookmark flags
" strip off any bookmark flags
let line = substitute (line, ' {[^}]*}', "","")
"strip off any executable flags
" strip off any executable flags
let line = substitute (line, '*\ze\($\| \)', "","")
"strip off any generic flags
" strip off any generic flags
let line = substitute (line, '\[[^]]*\]', "","")
let line = substitute (line,' -> .*',"","") " remove link to
@ -387,22 +390,22 @@ function! s:UI._stripMarkup(line)
return line
endfunction
"FUNCTION: s:UI.render() {{{1
" FUNCTION: s:UI.render() {{{1
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
" 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)
" 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
" delete the blank line before the help and add one after it
if !self.isMinimal()
call setline(line(".")+1, "")
call cursor(line(".")+1, col("."))
@ -412,24 +415,24 @@ function! s:UI.render()
call self._renderBookmarks()
endif
"add the 'up a dir' line
" 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
" 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
" draw the tree
silent put =self.nerdtree.root.renderToString()
"delete the blank line at the top of the buffer
" delete the blank line at the top of the buffer
silent 1,1delete _
"restore the view
" restore the view
let old_scrolloff=&scrolloff
let &scrolloff=0
call cursor(topLine, 1)
@ -441,14 +444,14 @@ function! s:UI.render()
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: 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
" 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
@ -460,7 +463,7 @@ function! s:UI.renderViewSavingPosition()
endif
endfunction
"FUNCTION: s:UI.toggleHelp() {{{1
" FUNCTION: s:UI.toggleHelp() {{{1
function! s:UI.toggleHelp()
let self._showHelp = !self._showHelp
endfunction
@ -515,7 +518,7 @@ function! s:UI.toggleZoom()
endif
endfunction
"FUNCTION: s:UI.UpDirLine() {{{1
" FUNCTION: s:UI.UpDirLine() {{{1
function! s:UI.UpDirLine()
return '.. (up a dir)'
endfunction