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Merge pull request #191 from ZeusTheTrueGod/master

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Improve handling obsolete buffers when renaming or deleting a file via the NERDTree 'm' menu
This commit is contained in:
Martin Grenfell
2012-10-18 01:11:35 -07:00
parent d62180d0ff 6b687977d9
commit 3e44d4ea5c
2 changed files with 60 additions and 4 deletions
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46
nerdtree_plugin/fs_menu.vim
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@@ -15,6 +15,11 @@ if exists("g:loaded_nerdtree_fs_menu")
endif
let g:loaded_nerdtree_fs_menu = 1
"Automatically delete the buffer after deleting or renaming a file
if !exists("g:NERDTreeAutoDeleteBuffer")
let g:NERDTreeAutoDeleteBuffer = 0
endif
call NERDTreeAddMenuItem({'text': '(a)dd a childnode', 'shortcut': 'a', 'callback': 'NERDTreeAddNode'})
call NERDTreeAddMenuItem({'text': '(m)ove the current node', 'shortcut': 'm', 'callback': 'NERDTreeMoveNode'})
call NERDTreeAddMenuItem({'text': '(d)elete the current node', 'shortcut': 'd', 'callback': 'NERDTreeDeleteNode'})
@@ -52,11 +57,44 @@ endfunction
" del the buffer
function! s:promptToDelBuffer(bufnum, msg)
echo a:msg
if nr2char(getchar()) ==# 'y'
exec "silent bdelete! " . a:bufnum
if g:NERDTreeAutoDeleteBuffer || nr2char(getchar()) ==# 'y'
" 1. ensure that all windows which display the just deleted filename
" now display an empty buffer (so a layout is preserved).
" Is not it better to close single tabs with this file only ?
let s:originalTabNumber = tabpagenr()
let s:originalWindowNumber = winnr()
exec "tabdo windo if winbufnr(0) == " . a:bufnum . " | exec ':enew! ' | endif"
exec "tabnext " . s:originalTabNumber
exec s:originalWindowNumber . "wincmd w"
" 3. We don't need a previous buffer anymore
exec "bwipeout! " . a:bufnum
endif
endfunction
"FUNCTION: s:promptToRenameBuffer(bufnum, msg){{{1
"prints out the given msg and, if the user responds by pushing 'y' then the
"buffer with the given bufnum is replaced with a new one
"
"Args:
"bufnum: the buffer that may be deleted
"msg: a message that will be echoed to the user asking them if they wish to
" del the buffer
function! s:promptToRenameBuffer(bufnum, msg, newFileName)
echo a:msg
if g:NERDTreeAutoDeleteBuffer || nr2char(getchar()) ==# 'y'
" 1. ensure that a new buffer is loaded
exec "badd " . a:newFileName
" 2. ensure that all windows which display the just deleted filename
" display a buffer for a new filename.
let s:originalTabNumber = tabpagenr()
let s:originalWindowNumber = winnr()
exec "tabdo windo if winbufnr(0) == " . a:bufnum . " | exec ':e! " . a:newFileName . "' | endif"
exec "tabnext " . s:originalTabNumber
exec s:originalWindowNumber . "wincmd w"
" 3. We don't need a previous buffer anymore
exec "bwipeout! " . a:bufnum
endif
endfunction
"FUNCTION: NERDTreeAddNode(){{{1
function! NERDTreeAddNode()
let curDirNode = g:NERDTreeDirNode.GetSelected()
@@ -108,8 +146,8 @@ function! NERDTreeMoveNode()
"if the node is open in a buffer, ask the user if they want to
"close that buffer
if bufnum != -1
let prompt = "\nNode renamed.\n\nThe old file is open in buffer ". bufnum . (bufwinnr(bufnum) ==# -1 ? " (hidden)" : "") .". Delete this buffer? (yN)"
call s:promptToDelBuffer(bufnum, prompt)
let prompt = "\nNode renamed.\n\nThe old file is open in buffer ". bufnum . (bufwinnr(bufnum) ==# -1 ? " (hidden)" : "") .". Replace this buffer with a new file? (yN)"
call s:promptToRenameBuffer(bufnum, prompt, newNodePath)
endif
call curNode.putCursorHere(1, 0)