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Diffstat (limited to 'vim/plugin')
| -rwxr-xr-x | vim/plugin/bufexplorer.vim | 1162 |
1 files changed, 1162 insertions, 0 deletions
diff --git a/vim/plugin/bufexplorer.vim b/vim/plugin/bufexplorer.vim new file mode 100755 index 0000000..8791363 --- /dev/null +++ b/vim/plugin/bufexplorer.vim @@ -0,0 +1,1162 @@ +"============================================================================== +" 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: Friday, 22 October 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>be - 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 = "7.2.8" + +" 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>be") =~ 'BufExplorer' + nunmap <Leader>be +endif + +if maparg("<Leader>bs") =~ 'BufExplorerHorizontalSplit' + nunmap <Leader>bs +endif + +if maparg("<Leader>bv") =~ 'BufExplorerVerticalSplit' + nunmap <Leader>bv +endif + +nmap <script> <silent> <unique> <Leader>be :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 + call s:BEError("The buffer name was [".s:name."] so it was skipped.") + return 1 + endif + + if index(s:MRU_Exclude_List, bufname(a:buf)) >= 0 + return 1 + end + + return 0 +endfunction + +" BECleanup {{{1 +function! s:BECleanup() + if exists("s:_insertmode")|let &insertmode = s:_insertmode|endif + if exists("s:_showcmd") |let &showcmd = s:_showcmd |endif + if exists("s:_cpo") |let &cpo = s:_cpo |endif + if exists("s:_report") |let &report = s:_report |endif + if exists("s:_list") |let &list = s:_list |endif + 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, "[]") + call s:BEError("Escaped") + endif + + " Make sure there is only one explorer open at a time. + if s:running == 1 + call s:BEError("WHAT THE 1") + " Go to the open buffer. + if has("gui") + call s:BEError("WHAT THE 2") + call s:BEError(name) + 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 + " Skip unlisted buffers if we are not to show them. + if (!g:bufExplorerShowUnlisted && buf.attributes =~ "u") + 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 && !exists("g:bufExplorerChgWin") + 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 exists("g:bufExplorerChgWin") + exe g:bufExplorerChgWin."wincmd w" + elseif 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") + + " call any associated function references + " g:bufExplorerFuncRef may be an individual function reference + " or it may be a list containing function references. + " It will ignore anything that's not a function reference. + " See :help FuncRef for more on function references. + if exists("g:BufExplorerFuncRef") + if type(g:BufExplorerFuncRef) == 2 + keepj call g:BufExplorerFuncRef() + elseif type(g:BufExplorerFuncRef) == 3 + for FncRef in g:BufExplorerFuncRef + if type(FncRef) == 2 + keepj call FncRef() + endif + endfor + endif + endif + 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 != "") + 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 |