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