"==============================================================================
" Copyright: Copyright (C) 2001-2010 Jeff Lanzarotta
" Permission is hereby granted to use and distribute this code,
" with or without modifications, provided that this copyright
" notice is copied with it. Like anything else that's free,
" bufexplorer.vim is provided *as is* and comes with no
" warranty of any kind, either expressed or implied. In no
" event will the copyright holder be liable for any damages
" resulting from the use of this software.
" Name Of File: bufexplorer.vim
" Description: Buffer Explorer Vim Plugin
" Maintainer: Jeff Lanzarotta (delux256-vim at yahoo dot com)
" Last Changed: Tuesday, 16 Feb 2010
" Version: See g:bufexplorer_version for version number.
" Usage: This file should reside in the plugin directory and be
" automatically sourced.
"
" You may use the default keymappings of
"
" <Leader>B - Opens BE.
" <Leader>bs - Opens horizontally window BE.
" <Leader>bv - Opens vertically window BE.
"
" Or you can use
"
" ":BufExplorer" - Opens BE.
" ":BufExplorerHorizontalSplit" - Opens horizontally window BE.
" ":BufExplorerVerticalSplit" - Opens vertically window BE.
"
" For more help see supplied documentation.
" History: See supplied documentation.
"==============================================================================
" Exit quickly if already running or when 'compatible' is set. {{{1
if exists("g:bufexplorer_version") || &cp
finish
endif
"1}}}
" Version number
let g:bufexplorer_version = "7.2.7"
" Check for Vim version 700 or greater {{{1
if v:version < 700
echo "Sorry, bufexplorer ".g:bufexplorer_version."\nONLY runs with Vim 7.0 and greater."
finish
endif
" Public Interface {{{1
if maparg("<Leader>B") =~ 'BufExplorer'
nunmap <Leader>B
endif
if maparg("<Leader>bs") =~ 'BufExplorerHorizontalSplit'
nunmap <Leader>bs
endif
if maparg("<Leader>bv") =~ 'BufExplorerVerticalSplit'
nunmap <Leader>bv
endif
nmap <script> <silent> <unique> <Leader>B :BufExplorer<CR>
nmap <script> <silent> <unique> <Leader>bs :BufExplorerHorizontalSplit<CR>
nmap <script> <silent> <unique> <Leader>bv :BufExplorerVerticalSplit<CR>
" Create commands {{{1
command! BufExplorer :call StartBufExplorer(has ("gui") ? "drop" : "hide edit")
command! BufExplorerHorizontalSplit :call BufExplorerHorizontalSplit()
command! BufExplorerVerticalSplit :call BufExplorerVerticalSplit()
" BESet {{{1
function! s:BESet(var, default)
if !exists(a:var)
if type(a:default)
exec "let" a:var "=" string(a:default)
else
exec "let" a:var "=" a:default
endif
return 1
endif
return 0
endfunction
" BEReset {{{1
function! s:BEReset()
" Build initial MRUList. This makes sure all the files specified on the
" command line are picked up correctly.
let s:MRUList = range(1, bufnr('$'))
" Initialize one tab space array, ignore zero-based tabpagenr
" since all tabpagenr's start at 1.
" -1 signifies this is the first time we are referencing this
" tabpagenr.
let s:tabSpace = [ [-1], [-1] ]
endfunction
" Setup the autocommands that handle the MRUList and other stuff. {{{1
" This is only done once when Vim starts up.
augroup BufExplorerVimEnter
autocmd!
autocmd VimEnter * call s:BESetup()
augroup END
" BESetup {{{1
function! s:BESetup()
call s:BEReset()
" Now that the MRUList is created, add the other autocmds.
augroup BufExplorer
" Deleting autocommands in case the script is reloaded
autocmd!
autocmd TabEnter * call s:BETabEnter()
autocmd BufNew * call s:BEAddBuffer()
autocmd BufEnter * call s:BEActivateBuffer()
autocmd BufWipeOut * call s:BEDeactivateBuffer(1)
autocmd BufDelete * call s:BEDeactivateBuffer(0)
autocmd BufWinEnter \[BufExplorer\] call s:BEInitialize()
autocmd BufWinLeave \[BufExplorer\] call s:BECleanup()
autocmd SessionLoadPost * call s:BEReset()
augroup END
" Remove the VimEnter event as it is no longer needed
augroup SelectBufVimEnter
autocmd!
augroup END
endfunction
" BETabEnter {{{1
function! s:BETabEnter()
" Make s:tabSpace 1-based
if empty(s:tabSpace) || len(s:tabSpace) < (tabpagenr() + 1)
call add(s:tabSpace, [-1])
endif
endfunction
" BEAddBuffer {{{1
function! s:BEAddBuffer()
if !exists('s:raw_buffer_listing') || empty(s:raw_buffer_listing)
silent let s:raw_buffer_listing = s:BEGetBufferInfo(0)
else
" We cannot use :buffers! or :ls! to gather information
" about this buffer since it was only just added.
" Any changes to the buffer (setlocal buftype, ...)
" happens after this event fires.
"
" So we will indicate the :buffers! command must be re-run.
" This should help with the performance of the plugin.
" There are some checks which can be performed
" before deciding to refresh the buffer list.
let bufnr = expand('<abuf>') + 0
if s:BEIgnoreBuffer(bufnr) == 1
return
else
let s:refreshBufferList = 1
endif
endif
call s:BEActivateBuffer()
endfunction
" ActivateBuffer {{{1
function! s:BEActivateBuffer()
let b = bufnr("%")
let l = get(s:tabSpace, tabpagenr(), [])
if s:BEIgnoreBuffer(b) == 1
return
endif
if !empty(l) && l[0] == '-1'
" The first time we add a tab Vim uses the current
" buffer as it's starting page, even though we are about
" to edit a new page (BufEnter triggers after), so
" remove the -1 entry indicating we have covered this case.
let l = []
let s:tabSpace[tabpagenr()] = l
elseif empty(l) || index(l, b) == -1
" Add new buffer to this tab buffer list
let l = add(l, b)
let s:tabSpace[tabpagenr()] = l
if g:bufExplorerOnlyOneTab == 1
" If a buffer can only be available in 1 tab page
" ensure this buffer is not present in any other tabs
let tabidx = 1
while tabidx < len(s:tabSpace)
if tabidx != tabpagenr()
let bufidx = index(s:tabSpace[tabidx], b)
if bufidx != -1
call remove(s:tabSpace[tabidx], bufidx)
endif
endif
let tabidx = tabidx + 1
endwhile
endif
endif
call s:BEMRUPush(b)
if exists('s:raw_buffer_listing') && !empty(s:raw_buffer_listing)
" Check if the buffer exists, but was deleted previously
" Careful use of ' and " so we do not have to escape all the \'s
" Regex: ^\s*bu\>
" ^ - Starting at the beginning of the string
" \s* - optional whitespace
" b - Vim's buffer number
" u\> - the buffer must be unlisted
let shortlist = filter(copy(s:raw_buffer_listing), "v:val.attributes =~ '".'^\s*'.b.'u\>'."'")
if !empty(shortlist)
" If it is unlisted (ie deleted), but now we editing it again
" rebuild the buffer list.
let s:refreshBufferList = 1
endif
endif
endfunction
" BEDeactivateBuffer {{{1
function! s:BEDeactivateBuffer(remove)
let _bufnr = str2nr(expand("<abuf>"))
call s:BEMRUPop(_bufnr)
if a:remove
call s:BEDeleteBufferListing(_bufnr)
else
let s:refreshBufferList = 1
endif
endfunction
" BEMRUPop {{{1
function! s:BEMRUPop(buf)
call filter(s:MRUList, 'v:val != '.a:buf)
endfunction
" BEMRUPush {{{1
function! s:BEMRUPush(buf)
if s:BEIgnoreBuffer(a:buf) == 1
return
endif
" Remove the buffer number from the list if it already exists.
call s:BEMRUPop(a:buf)
" Add the buffer number to the head of the list.
call insert(s:MRUList,a:buf)
endfunction
" BEInitialize {{{1
function! s:BEInitialize()
let s:_insertmode = &insertmode
set noinsertmode
let s:_showcmd = &showcmd
set noshowcmd
let s:_cpo = &cpo
set cpo&vim
let s:_report = &report
let &report = 10000
let s:_list = &list
set nolist
setlocal nonumber
setlocal foldcolumn=0
setlocal nofoldenable
setlocal cursorline
setlocal nospell
setlocal nobuflisted
let s:running = 1
endfunction
" BEIgnoreBuffer
function! s:BEIgnoreBuffer(buf)
" Check to see if this buffer should be ignore by BufExplorer.
" Skip temporary buffers with buftype set.
if empty(getbufvar(a:buf, "&buftype") == 0)
return 1
endif
" Skip unlisted buffers.
if buflisted(a:buf) == 0
return 1
endif
" Skip buffers with no name.
if empty(bufname(a:buf)) == 1
return 1
endif
" Do not add the BufExplorer window to the list.
if fnamemodify(bufname(a:buf), ":t") == s:name
return 1
endif
if index(s:MRU_Exclude_List, bufname(a:buf)) >= 0
return 1
end
return 0
endfunction
" BECleanup {{{1
function! s:BECleanup()
let &insertmode = s:_insertmode
let &showcmd = s:_showcmd
let &cpo = s:_cpo
let &report = s:_report
let &list = s:_list
let s:running = 0
let s:splitMode = ""
delmarks!
endfunction
" BufExplorerHorizontalSplit {{{1
function! BufExplorerHorizontalSplit()
let s:splitMode = "sp"
exec "BufExplorer"
endfunction
" BufExplorerVerticalSplit {{{1
function! BufExplorerVerticalSplit()
let s:splitMode = "vsp"
exec "BufExplorer"
endfunction
" StartBufExplorer {{{1
function! StartBufExplorer(open)
let name = s:name
if !has("win32")
" On non-Windows boxes, escape the name so that is shows up correctly.
let name = escape(name, "[]")
endif
" Make sure there is only one explorer open at a time.
if s:running == 1
" Go to the open buffer.
if has("gui")
exec "drop" name
endif
return
endif
" Add zero to ensure the variable is treated as a Number.
let s:originBuffer = bufnr("%") + 0
" Create or rebuild the raw buffer list if necessary.
if !exists('s:raw_buffer_listing') ||
\ empty(s:raw_buffer_listing) ||
\ s:refreshBufferList == 1
silent let s:raw_buffer_listing = s:BEGetBufferInfo(0)
endif
let copy = copy(s:raw_buffer_listing)
if (g:bufExplorerShowUnlisted == 0)
call filter(copy, 'v:val.attributes !~ "u"')
endif
" We may have to split the current window.
if (s:splitMode != "")
" Save off the original settings.
let [_splitbelow, _splitright] = [&splitbelow, &splitright]
" Set the setting to ours.
let [&splitbelow, &splitright] = [g:bufExplorerSplitBelow, g:bufExplorerSplitRight]
" Do it.
exe 'keepalt '.s:splitMode
" Restore the original settings.
let [&splitbelow, &splitright] = [_splitbelow, _splitright]
endif
if !exists("b:displayMode") || b:displayMode != "winmanager"
" Do not use keepalt when opening bufexplorer to allow the buffer that we are
" leaving to become the new alternate buffer
exec "silent keepjumps ".a:open." ".name
endif
call s:BEDisplayBufferList()
endfunction
" BEDisplayBufferList {{{1
function! s:BEDisplayBufferList()
" Do not set bufhidden since it wipes out
" the data if we switch away from the buffer
" using CTRL-^
setlocal buftype=nofile
setlocal modifiable
setlocal noswapfile
setlocal nowrap
" Delete all previous lines to the black hole register
call cursor(1,1)
exec 'silent! normal! "_dG'
call s:BESetupSyntax()
call s:BEMapKeys()
call setline(1, s:BECreateHelp())
call s:BEBuildBufferList()
call cursor(s:firstBufferLine, 1)
if !g:bufExplorerResize
normal! zz
endif
setlocal nomodifiable
endfunction
" BEMapKeys {{{1
function! s:BEMapKeys()
if exists("b:displayMode") && b:displayMode == "winmanager"
nnoremap <buffer> <silent> <tab> :call <SID>BESelectBuffer("tab")<cr>
endif
nnoremap <buffer> <silent> <F1> :call <SID>BEToggleHelp()<cr>
nnoremap <buffer> <silent> <2-leftmouse> :call <SID>BESelectBuffer()<cr>
nnoremap <buffer> <silent> <cr> :call <SID>BESelectBuffer()<cr>
nnoremap <buffer> <silent> o :call <SID>BESelectBuffer()<cr>
nnoremap <buffer> <silent> t :call <SID>BESelectBuffer("tab")<cr>
nnoremap <buffer> <silent> <s-cr> :call <SID>BESelectBuffer("tab")<cr>
nnoremap <buffer> <silent> d :call <SID>BERemoveBuffer("delete", "n")<cr>
xnoremap <buffer> <silent> d :call <SID>BERemoveBuffer("delete", "v")<cr>
nnoremap <buffer> <silent> D :call <SID>BERemoveBuffer("wipe", "n")<cr>
xnoremap <buffer> <silent> D :call <SID>BERemoveBuffer("wipe", "v")<cr>
nnoremap <buffer> <silent> m :call <SID>BEMRUListShow()<cr>
nnoremap <buffer> <silent> p :call <SID>BEToggleSplitOutPathName()<cr>
nnoremap <buffer> <silent> q :call <SID>BEClose("quit")<cr>
nnoremap <buffer> <silent> r :call <SID>BESortReverse()<cr>
nnoremap <buffer> <silent> R :call <SID>BEToggleShowRelativePath()<cr>
nnoremap <buffer> <silent> s :call <SID>BESortSelect()<cr>
nnoremap <buffer> <silent> S :call <SID>BEReverseSortSelect()<cr>
nnoremap <buffer> <silent> u :call <SID>BEToggleShowUnlisted()<cr>
nnoremap <buffer> <silent> f :call <SID>BEToggleFindActive()<cr>
nnoremap <buffer> <silent> T :call <SID>BEToggleShowTabBuffer()<cr>
nnoremap <buffer> <silent> B :call <SID>BEToggleOnlyOneTab()<cr>
for k in ["G", "n", "N", "L", "M", "H"]
exec "nnoremap <buffer> <silent>" k ":keepjumps normal!" k."<cr>"
endfor
endfunction
" BESetupSyntax {{{1
function! s:BESetupSyntax()
if has("syntax")
syn match bufExplorerHelp "^\".*" contains=bufExplorerSortBy,bufExplorerMapping,bufExplorerTitle,bufExplorerSortType,bufExplorerToggleSplit,bufExplorerToggleOpen
syn match bufExplorerOpenIn "Open in \w\+ window" contained
syn match bufExplorerSplit "\w\+ split" contained
syn match bufExplorerSortBy "Sorted by .*" contained contains=bufExplorerOpenIn,bufExplorerSplit
syn match bufExplorerMapping "\" \zs.\+\ze :" contained
syn match bufExplorerTitle "Buffer Explorer.*" contained
syn match bufExplorerSortType "'\w\{-}'" contained
syn match bufExplorerBufNbr /^\s*\d\+/
syn match bufExplorerToggleSplit "toggle split type" contained
syn match bufExplorerToggleOpen "toggle open mode" contained
syn match bufExplorerModBuf /^\s*\d\+.\{4}+.*/
syn match bufExplorerLockedBuf /^\s*\d\+.\{3}[\-=].*/
syn match bufExplorerHidBuf /^\s*\d\+.\{2}h.*/
syn match bufExplorerActBuf /^\s*\d\+.\{2}a.*/
syn match bufExplorerCurBuf /^\s*\d\+.%.*/
syn match bufExplorerAltBuf /^\s*\d\+.#.*/
syn match bufExplorerUnlBuf /^\s*\d\+u.*/
hi def link bufExplorerBufNbr Number
hi def link bufExplorerMapping NonText
hi def link bufExplorerHelp Special
hi def link bufExplorerOpenIn Identifier
hi def link bufExplorerSortBy String
hi def link bufExplorerSplit NonText
hi def link bufExplorerTitle NonText
hi def link bufExplorerSortType bufExplorerSortBy
hi def link bufExplorerToggleSplit bufExplorerSplit
hi def link bufExplorerToggleOpen bufExplorerOpenIn
hi def link bufExplorerActBuf Identifier
hi def link bufExplorerAltBuf String
hi def link bufExplorerCurBuf Type
hi def link bufExplorerHidBuf Constant
hi def link bufExplorerLockedBuf Special
hi def link bufExplorerModBuf Exception
hi def link bufExplorerUnlBuf Comment
endif
endfunction
" BEToggleHelp {{{1
function! s:BEToggleHelp()
let g:bufExplorerDetailedHelp = !g:bufExplorerDetailedHelp
setlocal modifiable
" Save position.
normal! ma
" Remove old header.
if (s:firstBufferLine > 1)
exec "keepjumps 1,".(s:firstBufferLine - 1) "d _"
endif
call append(0, s:BECreateHelp())
silent! normal! g`a
delmarks a
setlocal nomodifiable
if exists("b:displayMode") && b:displayMode == "winmanager"
call WinManagerForceReSize("BufExplorer")
endif
endfunction
" BEGetHelpStatus {{{1
function! s:BEGetHelpStatus()
let ret = '" Sorted by '.((g:bufExplorerReverseSort == 1) ? "reverse " : "").g:bufExplorerSortBy
let ret .= ' | '.((g:bufExplorerFindActive == 0) ? "Don't " : "")."Locate buffer"
let ret .= ((g:bufExplorerShowUnlisted == 0) ? "" : " | Show unlisted")
let ret .= ((g:bufExplorerShowTabBuffer == 0) ? "" : " | Show buffers/tab")
let ret .= ((g:bufExplorerOnlyOneTab == 1) ? "" : " | One tab / buffer")
let ret .= ' | '.((g:bufExplorerShowRelativePath == 0) ? "Absolute" : "Relative")
let ret .= ' '.((g:bufExplorerSplitOutPathName == 0) ? "Full" : "Split")." path"
return ret
endfunction
" BECreateHelp {{{1
function! s:BECreateHelp()
if g:bufExplorerDefaultHelp == 0 && g:bufExplorerDetailedHelp == 0
let s:firstBufferLine = 1
return []
endif
let header = []
if g:bufExplorerDetailedHelp == 1
call add(header, '" Buffer Explorer ('.g:bufexplorer_version.')')
call add(header, '" --------------------------')
call add(header, '" <F1> : toggle this help')
call add(header, '" <enter> or o or Mouse-Double-Click : open buffer under cursor')
call add(header, '" <shift-enter> or t : open buffer in another tab')
call add(header, '" d : delete buffer')
call add(header, '" D : wipe buffer')
call add(header, '" f : toggle find active buffer')
call add(header, '" p : toggle spliting of file and path name')
call add(header, '" q : quit')
call add(header, '" r : reverse sort')
call add(header, '" R : toggle showing relative or full paths')
call add(header, '" s : cycle thru "sort by" fields '.string(s:sort_by).'')
call add(header, '" S : reverse cycle thru "sort by" fields')
call add(header, '" T : toggle if to show only buffers for this tab or not')
call add(header, '" u : toggle showing unlisted buffers')
else
call add(header, '" Press <F1> for Help')
endif
if (!exists("b:displayMode") || b:displayMode != "winmanager") || (b:displayMode == "winmanager" && g:bufExplorerDetailedHelp == 1)
call add(header, s:BEGetHelpStatus())
call add(header, '"=')
endif
let s:firstBufferLine = len(header) + 1
return header
endfunction
" BEGetBufferInfo {{{1
function! s:BEGetBufferInfo(bufnr)
redir => bufoutput
buffers!
redir END
if (a:bufnr > 0)
" Since we are only interested in this specified buffer
" remove the other buffers listed
let bufoutput = substitute(bufoutput."\n", '^.*\n\(\s*'.a:bufnr.'\>.\{-}\)\n.*', '\1', '')
endif
let [all, allwidths, listedwidths] = [[], {}, {}]
for n in keys(s:types)
let allwidths[n] = []
let listedwidths[n] = []
endfor
for buf in split(bufoutput, '\n')
let bits = split(buf, '"')
let b = {"attributes": bits[0], "line": substitute(bits[2], '\s*', '', '')}
for [key, val] in items(s:types)
let b[key] = fnamemodify(bits[1], val)
endfor
if getftype(b.fullname) == "dir" && g:bufExplorerShowDirectories == 1
let b.shortname = "<DIRECTORY>"
endif
call add(all, b)
for n in keys(s:types)
call add(allwidths[n], len(b[n]))
if b.attributes !~ "u"
call add(listedwidths[n], len(b[n]))
endif
endfor
endfor
let [s:allpads, s:listedpads] = [{}, {}]
for n in keys(s:types)
let s:allpads[n] = repeat(' ', max(allwidths[n]))
let s:listedpads[n] = repeat(' ', max(listedwidths[n]))
endfor
let s:refreshBufferList = 1
return all
endfunction
" BEBuildBufferList {{{1
function! s:BEBuildBufferList()
let lines = []
" Loop through every buffer.
for buf in s:raw_buffer_listing
if (!g:bufExplorerShowUnlisted && buf.attributes =~ "u")
" Skip unlisted buffers if we are not to show them.
continue
endif
if (g:bufExplorerShowTabBuffer)
let show_buffer = 0
for bufnr in s:tabSpace[tabpagenr()]
if (buf.attributes =~ '^\s*'.bufnr.'\>')
" Only buffers shown on the current tabpagenr
let show_buffer = 1
break
endif
endfor
if show_buffer == 0
continue
endif
endif
let line = buf.attributes." "
if g:bufExplorerSplitOutPathName
let type = (g:bufExplorerShowRelativePath) ? "relativepath" : "path"
let path = buf[type]
let pad = (g:bufExplorerShowUnlisted) ? s:allpads.shortname : s:listedpads.shortname
let line .= buf.shortname." ".strpart(pad.path, len(buf.shortname))
else
let type = (g:bufExplorerShowRelativePath) ? "relativename" : "fullname"
let path = buf[type]
let line .= path
endif
let pads = (g:bufExplorerShowUnlisted) ? s:allpads : s:listedpads
if !empty(pads[type])
let line .= strpart(pads[type], len(path))." "
endif
let line .= buf.line
call add(lines, line)
endfor
call setline(s:firstBufferLine, lines)
call s:BESortListing()
endfunction
" BESelectBuffer {{{1
function! s:BESelectBuffer(...)
" Sometimes messages are not cleared when we get here so it looks like an error has
" occurred when it really has not.
echo ""
" Are we on a line with a file name?
if line('.') < s:firstBufferLine
exec "normal! \<cr>"
return
endif
let _bufNbr = str2nr(getline('.'))
" Check and see if we are running BE via WinManager.
if exists("b:displayMode") && b:displayMode == "winmanager"
let bufname = expand("#"._bufNbr.":p")
if (a:0 == 1) && (a:1 == "tab")
call WinManagerFileEdit(bufname, 1)
else
call WinManagerFileEdit(bufname, 0)
endif
return
endif
if bufexists(_bufNbr)
if bufnr("#") == _bufNbr
return s:BEClose("")
endif
" Are we suppose to open the selected buffer in a tab?
if (a:0 == 1) && (a:1 == "tab")
" Yes, we are to open the selected buffer in a tab.
" Restore [BufExplorer] buffer.
exec "keepjumps silent buffer!".s:originBuffer
" Get the tab number where this buffer is located at.
let tabNbr = s:BEGetTabNbr(_bufNbr)
" Was the tab found?
if tabNbr == 0
" _bufNbr is not opened in any tabs. Open a new tab with the selected buffer in it.
exec "999tab split +buffer" . _bufNbr
else
" The _bufNbr is already opened in tab, go to that tab.
exec tabNbr . "tabnext"
" Focus window.
exec s:BEGetWinNbr(tabNbr, _bufNbr) . "wincmd w"
endif
else
"No, the use did not ask to open the selected buffer in a tab.
" Are we suppose to move to the tab where this active buffer is?
if bufloaded(_bufNbr) && g:bufExplorerFindActive
" Close the BE window.
call s:BEClose("")
" Get the tab number where this buffer is located at.
let tabNbr = s:BEGetTabNbr(_bufNbr)
" Was the tab found?
if tabNbr != 0
" The buffer is located in a tab. Go to that tab number.
exec tabNbr . "tabnext"
else
" Nope, the buffer is not in a tab, simple switch to that buffer.
let bufname = expand("#"._bufNbr.":p")
exec bufname ? "drop ".escape(bufname, " ") : "buffer "._bufNbr
endif
endif
" Switch to the buffer.
exec "keepalt keepjumps silent b!" _bufNbr
endif
" Make the buffer 'listed' again.
call setbufvar(_bufNbr, "&buflisted", "1")
else
call s:BEError("Sorry, that buffer no longer exists, please select another")
call s:BEDeleteBuffer(_bufNbr, "wipe")
endif
endfunction
" BEDeleteBufferListing {{{1
function! s:BEDeleteBufferListing(buf)
if exists('s:raw_buffer_listing') && !empty(s:raw_buffer_listing)
" Delete the buffer from the raw buffer list.
" Careful use of ' and " so we do not have to escape all the \'s
" Regex: ^\s*\(10\|20\)\>
" ^ - Starting at the beginning of the string
" \s* - optional whitespace
" \(10\|20\) - either a 10 or a 20
" \> - end of word (so it can't make 100 or 201)
call filter(s:raw_buffer_listing, "v:val.attributes !~ '".'^\s*\('.substitute(a:buf, ' ', '\\|', 'g').'\)\>'."'")
endif
endfunction
" BERemoveBuffer {{{1
function! s:BERemoveBuffer(type, mode) range
" Are we on a line with a file name?
if line('.') < s:firstBufferLine
return
endif
" These commands are to temporarily suspend the activity of winmanager.
if exists("b:displayMode") && b:displayMode == "winmanager"
call WinManagerSuspendAUs()
endif
let _bufNbrs = ''
for lineNum in range(a:firstline, a:lastline)
let line = getline(lineNum)
if line =~ '^\s*\(\d\+\)'
" Regex: ^\s*\(10\|20\)\>
" ^ - Starting at the beginning of the string
" \s* - optional whitespace
" \zs - start the match here
" \d\+ - any digits
" \> - end of word (so it can't make 100 or 201)
let bufNbr = matchstr(line, '^\s*\zs\d\+\>')
" Add 0 to bufNbr to ensure Vim treats it as a Number
" for use with the getbufvar() function
if bufNbr !~ '^\d\+$' || getbufvar(bufNbr+0, '&modified') != 0
call s:BEError("Sorry, no write since last change for buffer ".bufNbr.", unable to delete")
else
let _bufNbrs = _bufNbrs . (_bufNbrs==''?'':' '). bufNbr
endif
endif
endfor
" Okay, everything is good, delete or wipe the buffers.
call s:BEDeleteBuffer(_bufNbrs, a:type)
" Reactivate winmanager autocommand activity.
if exists("b:displayMode") && b:displayMode == "winmanager"
call WinManagerForceReSize("BufExplorer")
call WinManagerResumeAUs()
endif
endfunction
" BEDeleteBuffer {{{1
function! s:BEDeleteBuffer(bufNbr, mode)
" This routine assumes that the buffer to be removed is on the current line.
try
if a:mode == "wipe"
exe "bwipe" a:bufNbr
else
exe "bdelete" a:bufNbr
endif
setlocal modifiable
" Remove each of the lines beginning with the buffer numbers we are removing
" Regex: ^\s*\(10\|20\)\>
" ^ - Starting at the beginning of the string
" \s* - optional whitespace
" \(10\|20\) - either a 10 or a 20
" \> - end of word (so it can't make 100 or 201)
exec 'silent! g/^\s*\('.substitute(a:bufNbr, ' ', '\\|', 'g').'\)\>/d_'
setlocal nomodifiable
call s:BEDeleteBufferListing(a:bufNbr)
catch
call s:BEError(v:exception)
endtry
endfunction
" BEClose {{{1
function! s:BEClose(mode)
" Get only the listed buffers.
let listed = filter(copy(s:MRUList), "buflisted(v:val)")
" If we needed to split the main window, close the split one.
" if (s:splitMode)
if (s:splitMode != "" && a:mode == "quit")
exec "wincmd c"
endif
if len(listed) == 0
exe "enew"
else
for b in reverse(listed[0:1])
exec "keepjumps silent b ".b
endfor
endif
endfunction
" BEToggleSplitOutPathName {{{1
function! s:BEToggleSplitOutPathName()
let g:bufExplorerSplitOutPathName = !g:bufExplorerSplitOutPathName
call s:BERebuildBufferList()
call s:BEUpdateHelpStatus()
endfunction
" BEToggleShowRelativePath {{{1
function! s:BEToggleShowRelativePath()
let g:bufExplorerShowRelativePath = !g:bufExplorerShowRelativePath
call s:BERebuildBufferList()
call s:BEUpdateHelpStatus()
endfunction
" BEToggleShowUnlisted {{{1
function! s:BEToggleShowUnlisted()
let g:bufExplorerShowUnlisted = !g:bufExplorerShowUnlisted
let num_bufs = s:BERebuildBufferList(g:bufExplorerShowUnlisted == 0)
call s:BEUpdateHelpStatus()
endfunction
" BEToggleFindActive {{{1
function! s:BEToggleFindActive()
let g:bufExplorerFindActive = !g:bufExplorerFindActive
call s:BEUpdateHelpStatus()
endfunction
" BEToggleShowTabBuffer {{{1
function! s:BEToggleShowTabBuffer()
let g:bufExplorerShowTabBuffer = !g:bufExplorerShowTabBuffer
call s:BEDisplayBufferList()
endfunction
" BEToggleOnlyOneTab {{{1
function! s:BEToggleOnlyOneTab()
let g:bufExplorerOnlyOneTab = !g:bufExplorerOnlyOneTab
call s:BEDisplayBufferList()
endfunction
" BERebuildBufferList {{{1
function! s:BERebuildBufferList(...)
setlocal modifiable
let curPos = getpos('.')
if a:0
" Clear the list first.
exec "keepjumps ".s:firstBufferLine.',$d "_'
endif
let num_bufs = s:BEBuildBufferList()
call setpos('.', curPos)
setlocal nomodifiable
return num_bufs
endfunction
" BEUpdateHelpStatus {{{1
function! s:BEUpdateHelpStatus()
setlocal modifiable
let text = s:BEGetHelpStatus()
call setline(s:firstBufferLine - 2, text)
setlocal nomodifiable
endfunction
" BEMRUCmp {{{1
function! s:BEMRUCmp(line1, line2)
return index(s:MRUList, str2nr(a:line1)) - index(s:MRUList, str2nr(a:line2))
endfunction
" BESortReverse {{{1
function! s:BESortReverse()
let g:bufExplorerReverseSort = !g:bufExplorerReverseSort
call s:BEReSortListing()
endfunction
" BESortSelect {{{1
function! s:BESortSelect()
let g:bufExplorerSortBy = get(s:sort_by, index(s:sort_by, g:bufExplorerSortBy) + 1, s:sort_by[0])
call s:BEReSortListing()
endfunction
" BEReverseSortSelect {{{1
function! s:BEReverseSortSelect()
let g:bufExplorerSortBy = get(s:sort_by, (index(s:sort_by, g:bufExplorerSortBy) + len(s:sort_by) - 1) % len(s:sort_by), s:sort_by[0])
call s:BEReSortListing()
endfunction
" BEReSortListing {{{1
function! s:BEReSortListing()
setlocal modifiable
let curPos = getpos('.')
call s:BESortListing()
call s:BEUpdateHelpStatus()
call setpos('.', curPos)
setlocal nomodifiable
endfunction
" BESortListing {{{1
function! s:BESortListing()
let sort = s:firstBufferLine.",$sort".((g:bufExplorerReverseSort == 1) ? "!": "")
if g:bufExplorerSortBy == "number"
" Easiest case.
exec sort 'n'
elseif g:bufExplorerSortBy == "name"
if g:bufExplorerSplitOutPathName
exec sort 'ir /\d.\{7}\zs\f\+\ze/'
else
exec sort 'ir /\zs[^\/\\]\+\ze\s*line/'
endif
elseif g:bufExplorerSortBy == "fullpath"
if g:bufExplorerSplitOutPathName
" Sort twice - first on the file name then on the path.
exec sort 'ir /\d.\{7}\zs\f\+\ze/'
endif
exec sort 'ir /\zs\f\+\ze\s\+line/'
elseif g:bufExplorerSortBy == "extension"
exec sort 'ir /\.\zs\w\+\ze\s/'
elseif g:bufExplorerSortBy == "mru"
let l = getline(s:firstBufferLine, "$")
call sort(l, "<SID>BEMRUCmp")
if g:bufExplorerReverseSort
call reverse(l)
endif
call setline(s:firstBufferLine, l)
endif
endfunction
" BEMRUListShow {{{1
function! s:BEMRUListShow()
echomsg "MRUList=".string(s:MRUList)
endfunction
" BEError {{{1
function! s:BEError(msg)
echohl ErrorMsg | echo a:msg | echohl none
endfunction
" BEWarning {{{1
function! s:BEWarning(msg)
echohl WarningMsg | echo a:msg | echohl none
endfunction
" GetTabNbr {{{1
function! s:BEGetTabNbr(bufNbr)
" Searching buffer bufno, in tabs.
for i in range(tabpagenr("$"))
if index(tabpagebuflist(i + 1), a:bufNbr) != -1
return i + 1
endif
endfor
return 0
endfunction
" GetWinNbr" {{{1
function! s:BEGetWinNbr(tabNbr, bufNbr)
" window number in tabpage.
return index(tabpagebuflist(a:tabNbr), a:bufNbr) + 1
endfunction
" Winmanager Integration {{{1
let g:BufExplorer_title = "\[Buf\ List\]"
call s:BESet("g:bufExplorerResize", 1)
call s:BESet("g:bufExplorerMaxHeight", 25) " Handles dynamic resizing of the window.
" Function to start display. Set the mode to 'winmanager' for this buffer.
" This is to figure out how this plugin was called. In a standalone fashion
" or by winmanager.
function! BufExplorer_Start()
let b:displayMode = "winmanager"
call StartBufExplorer("e")
endfunction
" Returns whether the display is okay or not.
function! BufExplorer_IsValid()
return 0
endfunction
" Handles dynamic refreshing of the window.
function! BufExplorer_Refresh()
let b:displayMode = "winmanager"
call StartBufExplorer("e")
endfunction
function! BufExplorer_ReSize()
if !g:bufExplorerResize
return
endif
let nlines = min([line("$"), g:bufExplorerMaxHeight])
exe nlines." wincmd _"
" The following lines restore the layout so that the last file line is also
" the last window line. Sometimes, when a line is deleted, although the
" window size is exactly equal to the number of lines in the file, some of
" the lines are pushed up and we see some lagging '~'s.
let pres = getpos(".")
exe $
let _scr = &scrolloff
let &scrolloff = 0
normal! z-
let &scrolloff = _scr
call setpos(".", pres)
endfunction
" Default values {{{1
call s:BESet("g:bufExplorerDefaultHelp", 1) " Show default help?
call s:BESet("g:bufExplorerDetailedHelp", 0) " Show detailed help?
call s:BESet("g:bufExplorerFindActive", 1) " When selecting an active buffer, take you to the window where it is active?
call s:BESet("g:bufExplorerReverseSort", 0) " sort reverse?
call s:BESet("g:bufExplorerShowDirectories", 1) " (Dir's are added by commands like ':e .')
call s:BESet("g:bufExplorerShowRelativePath", 0) " Show listings with relative or absolute paths?
call s:BESet("g:bufExplorerShowUnlisted", 0) " Show unlisted buffers?
call s:BESet("g:bufExplorerSortBy", "mru") " Sorting methods are in s:sort_by:
call s:BESet("g:bufExplorerSplitOutPathName", 1) " Split out path and file name?
call s:BESet("g:bufExplorerSplitRight", &splitright) " Should vertical splits be on the right or left of current window?
call s:BESet("g:bufExplorerSplitBelow", &splitbelow) " Should horizontal splits be below or above current window?
call s:BESet("g:bufExplorerShowTabBuffer", 0) " Show only buffer(s) for this tab?
call s:BESet("g:bufExplorerOnlyOneTab", 1) " If ShowTabBuffer = 1, only store the most recent tab for this buffer.
" Global variables {{{1
call s:BEReset()
let s:running = 0
let s:sort_by = ["number", "name", "fullpath", "mru", "extension"]
let s:types = {"fullname": ':p', "path": ':p:h', "relativename": ':~:.', "relativepath": ':~:.:h', "shortname": ':t'}
let s:originBuffer = 0
let s:splitMode = ""
let s:name = '[BufExplorer]'
let s:refreshBufferList = 1
let s:MRU_Exclude_List = ["[BufExplorer]","__MRU_Files__"]
"1}}}
" vim:ft=vim foldmethod=marker sw=2