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"CLASS: NERDTree
"============================================================
let s:NERDTree = {}
let g:NERDTree = s:NERDTree
"FUNCTION: s:NERDTree.AddPathFilter() {{{1
function! s:NERDTree.AddPathFilter(callback)
call add(s:NERDTree.PathFilters(), a:callback)
endfunction
"FUNCTION: s:NERDTree.Close() {{{1
"Closes the primary NERD tree window for this tab
function! s:NERDTree.Close()
if !s:NERDTree.IsOpen()
return
endif
if winnr("$") != 1
if winnr() == s:NERDTree.GetWinNum()
call nerdtree#exec("wincmd p")
let bufnr = bufnr("")
call nerdtree#exec("wincmd p")
else
let bufnr = bufnr("")
endif
call nerdtree#exec(s:NERDTree.GetWinNum() . " wincmd w")
close
call nerdtree#exec(bufwinnr(bufnr) . " wincmd w")
else
close
endif
endfunction
"FUNCTION: s:NERDTree.CloseIfQuitOnOpen() {{{1
"Closes the NERD tree window if the close on open option is set
function! s:NERDTree.CloseIfQuitOnOpen()
if g:NERDTreeQuitOnOpen && s:NERDTree.IsOpen()
call s:NERDTree.Close()
endif
endfunction
"FUNCTION: s:NERDTree.CursorToBookmarkTable(){{{1
"Places the cursor at the top of the bookmarks table
function! s:NERDTree.CursorToBookmarkTable()
if !b:NERDTreeShowBookmarks
throw "NERDTree.IllegalOperationError: cant find bookmark table, bookmarks arent active"
endif
if g:NERDTreeMinimalUI
return cursor(1, 2)
endif
let rootNodeLine = b:NERDTree.ui.getRootLineNum()
let line = 1
while getline(line) !~# '^>-\+Bookmarks-\+$'
let line = line + 1
if line >= rootNodeLine
throw "NERDTree.BookmarkTableNotFoundError: didnt find the bookmarks table"
endif
endwhile
call cursor(line, 2)
endfunction
"FUNCTION: s:NERDTree.CursorToTreeWin(){{{1
"Places the cursor in the nerd tree window
function! s:NERDTree.CursorToTreeWin()
call g:NERDTree.MustBeOpen()
call nerdtree#exec(g:NERDTree.GetWinNum() . "wincmd w")
endfunction
" 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.GetWinNum() {{{1
"gets the nerd tree window number for this tab
function! s:NERDTree.GetWinNum()
if exists("t:NERDTreeBufName")
return bufwinnr(t:NERDTreeBufName)
else
return -1
endif
endfunction
"FUNCTION: s:NERDTree.IsOpen() {{{1
function! s:NERDTree.IsOpen()
return s:NERDTree.GetWinNum() != -1
endfunction
"FUNCTION: s:NERDTree.MustBeOpen() {{{1
function! s:NERDTree.MustBeOpen()
if !s:NERDTree.IsOpen()
throw "NERDTree.TreeNotOpen"
endif
endfunction
"FUNCTION: s:NERDTree.New() {{{1
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.PathFilters() {{{1
function! s:NERDTree.PathFilters()
if !exists('s:NERDTree._PathFilters')
let s:NERDTree._PathFilters = []
endif
return s:NERDTree._PathFilters
endfunction
"FUNCTION: s:NERDTree.render() {{{1
"A convenience function - since this is called often
function! s:NERDTree.render()
call self.ui.render()
endfunction