if exists("g:loaded_nerdtree_autoload")
    finish
endif
let g:loaded_nerdtree_autoload = 1

function! nerdtree#version()
    return '4.2.0'
endfunction

" SECTION: General Functions {{{1
"============================================================

"FUNCTION: nerdtree#checkForBrowse(dir) {{{2
"inits a secondary nerd tree in the current buffer if appropriate
function! nerdtree#checkForBrowse(dir)
    if a:dir != '' && isdirectory(a:dir)
        call g:NERDTreeCreator.CreateSecondary(a:dir)
    endif
endfunction

" FUNCTION: nerdtree#completeBookmarks(A,L,P) {{{2
" completion function for the bookmark commands
function! nerdtree#completeBookmarks(A,L,P)
    return filter(g:NERDTreeBookmark.BookmarkNames(), 'v:val =~# "^' . a:A . '"')
endfunction

"FUNCTION: nerdtree#compareBookmarks(dir) {{{2
function! nerdtree#compareBookmarks(first, second)
    return a:first.compareTo(a:second)
endfunction

"FUNCTION: nerdtree#compareNodes(dir) {{{2
function! nerdtree#compareNodes(n1, n2)
    return a:n1.path.compareTo(a:n2.path)
endfunction

" FUNCTION: nerdtree#deprecated(func, [msg]) {{{2
" Issue a deprecation warning for a:func. If a second arg is given, use this
" as the deprecation message
function! nerdtree#deprecated(func, ...)
    let msg = a:0 ? a:func . ' ' . a:1 : a:func . ' is deprecated'

    if !exists('s:deprecationWarnings')
        let s:deprecationWarnings = {}
    endif
    if !has_key(s:deprecationWarnings, a:func)
        let s:deprecationWarnings[a:func] = 1
        echomsg msg
    endif
endfunction

" FUNCTION: nerdtree#exec(cmd) {{{2
" same as :exec cmd  but eventignore=all is set for the duration
function! nerdtree#exec(cmd)
    let old_ei = &ei
    set ei=all
    exec a:cmd
    let &ei = old_ei
endfunction

" FUNCTION: nerdtree#has_opt(options, name) {{{2
function! nerdtree#has_opt(options, name)
    return has_key(a:options, a:name) && a:options[a:name] == 1
endfunction

" FUNCTION: nerdtree#loadClassFiles() {{{2
function! nerdtree#loadClassFiles()
    runtime lib/nerdtree/path.vim
    runtime lib/nerdtree/menu_controller.vim
    runtime lib/nerdtree/menu_item.vim
    runtime lib/nerdtree/key_map.vim
    runtime lib/nerdtree/bookmark.vim
    runtime lib/nerdtree/tree_file_node.vim
    runtime lib/nerdtree/tree_dir_node.vim
    runtime lib/nerdtree/opener.vim
    runtime lib/nerdtree/creator.vim
    runtime lib/nerdtree/flag_set.vim
    runtime lib/nerdtree/nerdtree.vim
    runtime lib/nerdtree/ui.vim
    runtime lib/nerdtree/event.vim
    runtime lib/nerdtree/notifier.vim
endfunction

" FUNCTION: nerdtree#postSourceActions() {{{2
function! nerdtree#postSourceActions()
    call g:NERDTreeBookmark.CacheBookmarks(0)
    call nerdtree#ui_glue#createDefaultBindings()

    "load all nerdtree plugins
    runtime! nerdtree_plugin/**/*.vim
endfunction

"FUNCTION: nerdtree#runningWindows(dir) {{{2
function! nerdtree#runningWindows()
    return has("win16") || has("win32") || has("win64")
endfunction

" SECTION: View Functions {{{1
"============================================================

"FUNCTION: nerdtree#echo  {{{2
"A wrapper for :echo. Appends 'NERDTree:' on the front of all messages
"
"Args:
"msg: the message to echo
function! nerdtree#echo(msg)
    redraw
    echomsg "NERDTree: " . a:msg
endfunction

"FUNCTION: nerdtree#echoError {{{2
"Wrapper for nerdtree#echo, sets the message type to errormsg for this message
"Args:
"msg: the message to echo
function! nerdtree#echoError(msg)
    echohl errormsg
    call nerdtree#echo(a:msg)
    echohl normal
endfunction

"FUNCTION: nerdtree#echoWarning {{{2
"Wrapper for nerdtree#echo, sets the message type to warningmsg for this message
"Args:
"msg: the message to echo
function! nerdtree#echoWarning(msg)
    echohl warningmsg
    call nerdtree#echo(a:msg)
    echohl normal
endfunction

"FUNCTION: nerdtree#putCursorOnBookmarkTable(){{{2
"Places the cursor at the top of the bookmarks table
function! nerdtree#putCursorOnBookmarkTable()
    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: nerdtree#putCursorInTreeWin(){{{2
"Places the cursor in the nerd tree window
function! nerdtree#putCursorInTreeWin()
    call g:NERDTree.MustBeOpen()
    call nerdtree#exec(g:NERDTree.GetWinNum() . "wincmd w")
endfunction

"FUNCTION: nerdtree#renderBookmarks {{{2
function! nerdtree#renderBookmarks()

    if g:NERDTreeMinimalUI == 0
        call setline(line(".")+1, ">----------Bookmarks----------")
        call cursor(line(".")+1, col("."))
    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: nerdtree#renderView {{{2
function! nerdtree#renderView()
    call b:NERDTree.render()
endfunction
"
"FUNCTION: nerdtree#stripMarkupFromLine(line, removeLeadingSpaces){{{2
"returns the given line with all the tree parts stripped off
"
"Args:
"line: the subject line
"removeLeadingSpaces: 1 if leading spaces are to be removed (leading spaces =
"any spaces before the actual text of the node)
function! nerdtree#stripMarkupFromLine(line, removeLeadingSpaces)
    let line = a:line
    "remove the tree parts and the leading space
    let line = substitute (line, g:NERDTreeUI.MarkupReg(),"","")

    "strip off any read only flag
    let line = substitute (line, ' \[RO\]', "","")

    "strip off any bookmark flags
    let line = substitute (line, ' {[^}]*}', "","")

    "strip off any executable flags
    let line = substitute (line, '*\ze\($\| \)', "","")

    "strip off any generic flags
    let line = substitute (line, '\[[^]]*\]', "","")

    let wasdir = 0
    if line =~# '/$'
        let wasdir = 1
    endif
    let line = substitute (line,' -> .*',"","") " remove link to
    if wasdir ==# 1
        let line = substitute (line, '/\?$', '/', "")
    endif

    if a:removeLeadingSpaces
        let line = substitute (line, '^ *', '', '')
    endif

    return line
endfunction

" vim: set sw=4 sts=4 et fdm=marker: