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Diffstat (limited to 'modules/vim/vim.dot.link/plugin/bufexplorer.vim')
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diff --git a/modules/vim/vim.dot.link/plugin/bufexplorer.vim b/modules/vim/vim.dot.link/plugin/bufexplorer.vim new file mode 100644 index 0000000..de957d8 --- /dev/null +++ b/modules/vim/vim.dot.link/plugin/bufexplorer.vim @@ -0,0 +1,1157 @@ +"============================================================================= +" Copyright: Copyright (C) 2001-2012 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: Sunday, 23 Dec 2012 +" 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 BufExplorer +" <Leader>bs - Opens horizontally split window BufExplorer +" <Leader>bv - Opens vertically split window BufExplorer +" +" Or you can override the defaults and define your own mapping +" in your vimrc file, for example: +" +" noremap <silent> <F11> :BufExplorer<CR> +" noremap <silent> <m-F11> :BufExplorerHorizontalSplit<CR> +" noremap <silent> <c-F11> :BufExplorerVerticalSplit<CR> +" +" Or you can use +" +" ":BufExplorer" - Opens BufExplorer +" ":BufExplorerHorizontalSplit" - Opens horizontally window BufExplorer +" ":BufExplorerVerticalSplit" - Opens vertically split window BufExplorer +" +" For more help see supplied documentation. +" History: See supplied documentation. +" Issues: 'D' and 'd' remove the buffer from the list but the list is not +" displayed correctly. +" - Add ability to open a buffer in a new split when \be is used. +"============================================================================= + +" Plugin Code {{{1 +" Exit quickly if already running or when 'compatible' is set. {{{2 +if exists("g:bufexplorer_version") || &cp + finish +endif +"2}}} + +" Version number +let g:bufexplorer_version = "7.3.2" + +" Check for Vim version {{{2 +if v:version < 700 + echohl WarningMsg + echo "Sorry, bufexplorer ".g:bufexplorer_version." required Vim 7.0 and greater." + echohl None + finish +endif + +" Create commands {{{2 +command! BufExplorer :call BufExplorer(has ("gui") ? "drop" : "hide edit") +command! BufExplorerHorizontalSplit :call BufExplorerHorizontalSplit() +command! BufExplorerVerticalSplit :call BufExplorerVerticalSplit() + +" Set {{{2 +function! s:Set(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 + +" Script variables {{{2 +let s:MRU_Exclude_List = ["[BufExplorer]","__MRU_Files__"] +let s:MRUList = [] +let s:name = '[BufExplorer]' +let s:originBuffer = 0 +let s:running = 0 +let s:sort_by = ["number", "name", "fullpath", "mru", "extension"] +let s:splitMode = "" +let s:tabSpace = [] +let s:types = {"fullname": ':p', "path": ':p:h', "relativename": ':~:.', "relativepath": ':~:.:h', "shortname": ':t'} + +" Setup the autocommands that handle the MRUList and other stuff. {{{2 +autocmd VimEnter * call s:Setup() + +" Setup {{{2 +function! s:Setup() + call s:Reset() + + " Now that the MRUList is created, add the other autocmds. + augroup BufExplorer + autocmd! + autocmd BufEnter,BufNew * call s:ActivateBuffer() + autocmd BufWipeOut * call s:DeactivateBuffer(1) + autocmd BufDelete * call s:DeactivateBuffer(0) + + autocmd BufWinEnter \[BufExplorer\] call s:Initialize() + autocmd BufWinLeave \[BufExplorer\] call s:Cleanup() + + autocmd TabEnter * call s:TabEnter() + + autocmd SessionLoadPost * call s:Reset() + augroup END +endfunction + +" Reset {{{2 +function! s:Reset() + " Build initial MRUList. This makes sure all the files specified on the + " command line are picked up correctly. + let s:MRUList = range(1, bufnr('$')) + + " Initialize one tab space array, ignore zero-based tabpagenr + " since all tabpagenr's start at 1. + " -1 signifies this is the first time we are referencing this + " tabpagenr. + " If Vim has been loaded with mksession, then it is possible for + " more tabs to exist. So use tabpagenr() to determine how large + " to make the array. If there are 4 tabs, there should be 5 + " elements in this array. + " Each element will hold a CSV list of buffers viewed in + " that tab. So on the 3rd tab, if there user has viewed + " 4 different buffers in that tab, the value would be: + " echo s:tabSpace[3] + " [4, 9, 1, 10] + " echo s:tabSpace + " [[-1], [-1], [-1], [4, 9, 1, 10], [-1]] + let s:tabSpace = [] + let i = 0 + + while( tabpagenr('$') > 0 && i <= tabpagenr('$') ) + call add(s:tabSpace, [-1]) + let i = i + 1 + endwhile +endfunction + +" ActivateBuffer {{{2 +function! s:ActivateBuffer() + " Verify the current tabpage exists in the + " current s:tabSpace array. This can be missing + " entries when restoring sessions. + let i = 0 + while( tabpagenr('$') > 0 && i <= tabpagenr() ) + " Number: 0 + " String: 1 + " Funcref: 2 + " List: 3 + " Dictionary: 4 + " Float: 5 + if type(get(s:tabSpace, i)) == 0 + call add(s:tabSpace, [-1]) + endif + + let i = i + 1 + endwhile + + let _bufnr = bufnr("%") + let list = get(s:tabSpace, tabpagenr(), [-1]) + + if !empty(list) && list[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 is triggered after), so + " remove the -1 entry indicating we have covered this case. + let list = [] + call add(list, _bufnr) + let s:tabSpace[tabpagenr()] = list + elseif empty(list) || index(list, _bufnr) == -1 + " Add new buffer to this tab's buffer list. + call add(list, _bufnr) + let s:tabSpace[tabpagenr()] = list + + 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], _bufnr) + if bufidx != -1 + call remove(s:tabSpace[tabidx], bufidx) + endif + endif + let tabidx = tabidx + 1 + endwhile + endif + endif + + call s:MRUPush(_bufnr) +endfunction + +" DeactivateBuffer {{{2 +function! s:DeactivateBuffer(remove) + let _bufnr = str2nr(expand("<abuf>")) + call s:MRUPop(_bufnr) +endfunction + +" TabEnter {{{2 +function! s:TabEnter() + " Make s:tabSpace 1-based + if empty(s:tabSpace) || len(s:tabSpace) < (tabpagenr() + 1) + call add(s:tabSpace, [-1]) + endif +endfunction + +" MRUPop {{{2 +function! s:MRUPop(bufnr) + call filter(s:MRUList, 'v:val != '.a:bufnr) +endfunction + +" MRUPush {{{2 +function! s:MRUPush(buf) + " Skip temporary buffer with buftype set. Don't add the BufExplorer window to the + " list. + if s:ShouldIgnore(a:buf) == 1 + return + endif + + " Remove the buffer number from the list if it already exists. + call s:MRUPop(a:buf) + + " Add the buffer number to the head of the list. + call insert(s:MRUList, a:buf) +endfunction + +" ShouldIgnore {{{2 +function! s:ShouldIgnore(buf) + " Ignore temporary buffers with buftype set. + if empty(getbufvar(a:buf, "&buftype") == 0) + return 1 + endif + + " Ignore unlisted buffers. + if buflisted(a:buf) == 0 + return 1 + endif + + " Ignore buffers with no name. + if empty(bufname(a:buf)) == 1 + return 1 + endif + + " Ignore the BufExplorer buffer. + if fnamemodify(bufname(a:buf), ":t") == s:name + return 1 + endif + + " Ignore any buffers in the exclude list. + if index(s:MRU_Exclude_List, bufname(a:buf)) >= 0 + return 1 + endif + + " Else return 0 to indicate that the buffer was not ignored. + return 0 +endfunction + +" Initialize {{{2 +function! s:Initialize() + 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 + +" Cleanup {{{2 +function! s:Cleanup() + 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 {{{2 +function! BufExplorerHorizontalSplit() + let s:splitMode = "sp" + exec "BufExplorer" +endfunction + +" BufExplorerVerticalSplit {{{2 +function! BufExplorerVerticalSplit() + let s:splitMode = "vsp" + exec "BufExplorer" +endfunction + +" BufExplorer {{{2 +function! BufExplorer(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 + + silent let s:raw_buffer_listing = s:GetBufferInfo(0) + + let buffer_listing_copy = copy(s:raw_buffer_listing) + + if (g:bufExplorerShowUnlisted == 0) + call filter(buffer_listing_copy, 'v:val.attributes !~ "u"') + endif + + if (!empty(buffer_listing_copy)) + call filter(buffer_listing_copy, 'v:val.shortname !~ "\\\[No Name\\\]"') + endif + +" if len(buffer_listing_copy) <= 1 +" call s:Warning("Sorry, there are no more buffers to explore") +" return +" 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:DisplayBufferList() + + " Position the cursor in the newly displayed list on the line representing + " the active buffer. The active buffer is the line with the '%' character + " in it. + execute search("%") +endfunction + +" DisplayBufferList {{{2 +function! s:DisplayBufferList() + " 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 + + call s:SetupSyntax() + call s:MapKeys() + call setline(1, s:CreateHelp()) + call s:BuildBufferList() + call cursor(s:firstBufferLine, 1) + + if !g:bufExplorerResize + normal! zz + endif + + setlocal nomodifiable +endfunction + +" MapKeys {{{2 +function! s:MapKeys() + if exists("b:displayMode") && b:displayMode == "winmanager" + nnoremap <buffer> <silent> <tab> :call <SID>SelectBuffer()<CR> + endif + + nnoremap <script> <silent> <buffer> <2-leftmouse> :call <SID>SelectBuffer()<CR> + nnoremap <script> <silent> <buffer> <CR> :call <SID>SelectBuffer()<CR> + nnoremap <script> <silent> <buffer> <F1> :call <SID>ToggleHelp()<CR> + nnoremap <script> <silent> <buffer> <s-cr> :call <SID>SelectBuffer("tab")<CR> + nnoremap <script> <silent> <buffer> B :call <SID>ToggleOnlyOneTab()<CR> + nnoremap <script> <silent> <buffer> d :call <SID>RemoveBuffer("delete")<CR> + nnoremap <script> <silent> <buffer> D :call <SID>RemoveBuffer("wipe")<CR> + nnoremap <script> <silent> <buffer> f :call <SID>ToggleFindActive()<CR> + nnoremap <script> <silent> <buffer> m :call <SID>MRUListShow()<CR> + nnoremap <script> <silent> <buffer> o :call <SID>SelectBuffer()<CR> + nnoremap <script> <silent> <buffer> p :call <SID>ToggleSplitOutPathName()<CR> + nnoremap <script> <silent> <buffer> q :call <SID>Close()<CR> + nnoremap <script> <silent> <buffer> r :call <SID>SortReverse()<CR> + nnoremap <script> <silent> <buffer> R :call <SID>ToggleShowRelativePath()<CR> + nnoremap <script> <silent> <buffer> s :call <SID>SortSelect()<CR> + nnoremap <script> <silent> <buffer> S :call <SID>ReverseSortSelect()<CR> + nnoremap <script> <silent> <buffer> t :call <SID>SelectBuffer("tab")<CR> + nnoremap <script> <silent> <buffer> T :call <SID>ToggleShowTabBuffer()<CR> + nnoremap <script> <silent> <buffer> u :call <SID>ToggleShowUnlisted()<CR> + + for k in ["G", "n", "N", "L", "M", "H"] + exec "nnoremap <buffer> <silent>" k ":keepjumps normal!" k."<CR>" + endfor +endfunction + +" SetupSyntax {{{2 +function! s:SetupSyntax() + 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 + +" ToggleHelp {{{2 +function! s:ToggleHelp() + 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:CreateHelp()) + + silent! normal! g`a + delmarks a + + setlocal nomodifiable + + if exists("b:displayMode") && b:displayMode == "winmanager" + call WinManagerForceReSize("BufExplorer") + endif +endfunction + +" GetHelpStatus {{{2 +function! s:GetHelpStatus() + 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 + +" CreateHelp {{{2 +function! s:CreateHelp() + 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, '" B : toggle if to save/use recent tab or not') + 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:GetHelpStatus()) + call add(header, '"=') + endif + + let s:firstBufferLine = len(header) + 1 + + return header +endfunction + +" GetBufferInfo {{{2 +function! s:GetBufferInfo(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 + + " Loop over each line in the buffer. + 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 + + return all +endfunction + +" BuildBufferList {{{2 +function! s:BuildBufferList() + 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") + " Skip unlisted buffers if we are not to show them. + continue + endif + + " Ignore buffers with no name. + if empty(bufname(str2nr(buf.attributes))) == 1 + 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:SortListing() +endfunction + +" SelectBuffer {{{2 +function! s:SelectBuffer(...) + " Sometimes messages are not cleared when we get here so it looks like an + " error has occurred when it really has not. +" 3/25/2012 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 BufferExplorer 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:Close() + 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 nmber where this bufer is located in. + let tabNbr = s:GetTabNbr(_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 a tab, go to that tab. + exec tabNbr . "tabnext" + + " Focus window. + exec s:GetWinNbr(tabNbr, _bufNbr) . "wincmd w" + endif + else + " No, the user did not ask to open the selected buffer in a tab. + + " Are we suppose to move to the tab where the active buffer is? + if exists("g:bufExplorerChgWin") + exe g:bufExplorerChgWin."wincmd w" + elseif bufloaded(_bufNbr) && g:bufExplorerFindActive + call s:Close() + + " Get the tab number where this buffer is located in. + let tabNbr = s:GetTabNbr(_bufNbr) + + " Was the tab found? + if tabNbr != 0 + " Yes, the buffer is located in a tab. Go to that tab number. + exec tabNbr . "tabnext" + else + "Nope, the buffer is not in a tab. Simply 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:Error("Sorry, that buffer no longer exists, please select another") + call s:DeleteBuffer(_bufNbr, "wipe") + endif +endfunction + +" RemoveBuffer {{{2 +function! s:RemoveBuffer(mode) + " Are we on a line with a file name? + if line('.') < s:firstBufferLine + return + endif + + " Do not allow this buffer to be deleted if it is the last one. + if len(s:MRUList) == 1 + call s:Error("Sorry, you are not allowed to delete the last buffer") + return + endif + + " These commands are to temporarily suspend the activity of winmanager. + if exists("b:displayMode") && b:displayMode == "winmanager" + call WinManagerSuspendAUs() + end + + let _bufNbr = str2nr(getline('.')) + + if getbufvar(_bufNbr, '&modified') == 1 + call s:Error("Sorry, no write since last change for buffer "._bufNbr.", unable to delete") + return + else + " Okay, everything is good, delete or wipe the buffer. + call s:DeleteBuffer(_bufNbr, a:mode) + endif + + " Reactivate winmanager autocommand activity. + if exists("b:displayMode") && b:displayMode == "winmanager" + call WinManagerForceReSize("BufExplorer") + call WinManagerResumeAUs() + end +endfunction + +" DeleteBuffer {{{2 +function! s:DeleteBuffer(buf, mode) + " This routine assumes that the buffer to be removed is on the current line. + try + " Wipe/Delete buffer from Vim. + if a:mode == "wipe" + exe "silent bwipe" a:buf + else + exe "silent bdelete" a:buf + endif + + " Delete the buffer from the list on screen. + setlocal modifiable + normal! "_dd + setlocal nomodifiable + + " Delete the buffer from the raw buffer list. + call filter(s:raw_buffer_listing, 'v:val.attributes !~ " '.a:buf.' "') + catch + call s:Error(v:exception) + endtry +endfunction + +" Close {{{2 +function! s:Close() + " 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 != "") + exec "wincmd c" + endif + + " Check to see if there are anymore buffers listed. + if len(listed) == 0 + " Since there are no buffers left to switch to, open a new empty + " buffers. + exe "enew" + else + " Since there are buffers left to switch to, swith to them... + for b in reverse(listed[0:1]) + exec "keepjumps silent b ".b + endfor + endif + + " Clear any messages. + echo +endfunction + +" ToggleSplitOutPathName {{{2 +function! s:ToggleSplitOutPathName() + let g:bufExplorerSplitOutPathName = !g:bufExplorerSplitOutPathName + call s:RebuildBufferList() + call s:UpdateHelpStatus() +endfunction + +" ToggleShowRelativePath {{{2 +function! s:ToggleShowRelativePath() + let g:bufExplorerShowRelativePath = !g:bufExplorerShowRelativePath + call s:RebuildBufferList() + call s:UpdateHelpStatus() +endfunction + +" ToggleShowTabBuffer {{{2 +function! s:ToggleShowTabBuffer() + let g:bufExplorerShowTabBuffer = !g:bufExplorerShowTabBuffer + call s:RebuildBufferList(g:bufExplorerShowTabBuffer) + call s:UpdateHelpStatus() +endfunction + +" ToggleOnlyOneTab {{{2 +function! s:ToggleOnlyOneTab() + let g:bufExplorerOnlyOneTab = !g:bufExplorerOnlyOneTab + call s:RebuildBufferList() + call s:UpdateHelpStatus() +endfunction + +" ToggleShowUnlisted {{{2 +function! s:ToggleShowUnlisted() + let g:bufExplorerShowUnlisted = !g:bufExplorerShowUnlisted + let num_bufs = s:RebuildBufferList(g:bufExplorerShowUnlisted == 0) + call s:UpdateHelpStatus() +endfunction + +" ToggleFindActive {{{2 +function! s:ToggleFindActive() + let g:bufExplorerFindActive = !g:bufExplorerFindActive + call s:UpdateHelpStatus() +endfunction + +" RebuildBufferList {{{2 +function! s:RebuildBufferList(...) + setlocal modifiable + + let curPos = getpos('.') + + if a:0 + " Clear the list first. + exec "keepjumps ".s:firstBufferLine.',$d "_' + endif + + let num_bufs = s:BuildBufferList() + + call setpos('.', curPos) + + setlocal nomodifiable + + return num_bufs +endfunction + +" UpdateHelpStatus {{{2 +function! s:UpdateHelpStatus() + setlocal modifiable + + let text = s:GetHelpStatus() + call setline(s:firstBufferLine - 2, text) + + setlocal nomodifiable +endfunction + +" MRUCmp {{{2 +function! s:MRUCmp(line1, line2) + return index(s:MRUList, str2nr(a:line1)) - index(s:MRUList, str2nr(a:line2)) +endfunction + +" SortReverse {{{2 +function! s:SortReverse() + let g:bufExplorerReverseSort = !g:bufExplorerReverseSort + call s:ReSortListing() +endfunction + +" SortSelect {{{2 +function! s:SortSelect() + let g:bufExplorerSortBy = get(s:sort_by, index(s:sort_by, g:bufExplorerSortBy) + 1, s:sort_by[0]) + call s:ReSortListing() +endfunction + +" ReverseSortSelect {{{2 +function! s:ReverseSortSelect() + let g:bufExplorerSortBy = get(s:sort_by, index(s:sort_by, g:bufExplorerSortBy) - 1, s:sort_by[-1]) + call s:ReSortListing() +endfunction + +" ReSortListing {{{2 +function! s:ReSortListing() + setlocal modifiable + + let curPos = getpos('.') + + call s:SortListing() + call s:UpdateHelpStatus() + + call setpos('.', curPos) + + setlocal nomodifiable +endfunction + +" SortListing {{{2 +function! s:SortListing() + let sort = s:firstBufferLine.",$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, "$") + + call sort(l, "<SID>MRUCmp") + + if g:bufExplorerReverseSort + call reverse(l) + endif + + call setline(s:firstBufferLine, l) + endif +endfunction + +" MRUListShow {{{2 +function! s:MRUListShow() + echomsg "MRUList=".string(s:MRUList) +endfunction + +" Error {{{2 +" Display a message using ErrorMsg highlight group. +function! s:Error(msg) + echohl ErrorMsg + echomsg a:msg + echohl None +endfunction + +" Warning {{{2 +" Display a message using WarningMsg highlight group. +function! s:Warning(msg) + echohl WarningMsg + echomsg a:msg + echohl None +endfunction + +" GetTabNbr {{{2 +function! s:GetTabNbr(bufNbr) + " Searching buffer bufno, in tabs. + for i in range(tabpagenr("$")) + if index(tabpagebuflist(i + 1), a:bufNbr) != -1 + return i + 1 + endif + endfor + + return 0 +endfunction + +" GetWinNbr" {{{2 +function! s:GetWinNbr(tabNbr, bufNbr) + " window number in tabpage. + let tablist = tabpagebuflist(a:tabNbr) + " Number: 0 + " String: 1 + " Funcref: 2 + " List: 3 + " Dictionary: 4 + " Float: 5 + if type(tablist) == 3 + return index(tabpagebuflist(a:tabNbr), a:bufNbr) + 1 + else + return 1 + endif +endfunction + +" Winmanager Integration {{{2 +let g:BufExplorer_title = "\[Buf\ List\]" +call s:Set("g:bufExplorerResize", 1) +call s:Set("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 BufExplorer("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 BufExplorer("e") +endfunction + +function! BufExplorer_ReSize() + if !g:bufExplorerResize + return + end + + 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 key mapping {{{1 +if !hasmapto('BufExplorer') + noremap <script> <silent> <unique> <Leader>be :BufExplorer<CR> +endif + +if !hasmapto('BufExplorerHorizontalSplit') + noremap <script> <silent> <unique> <Leader>bs :BufExplorerHorizontalSplit<CR> +endif + +if !hasmapto('BufExplorerVerticalSplit') + noremap <script> <silent> <unique> <Leader>bv :BufExplorerVerticalSplit<CR> +endif + +" Default values {{{1 +call s:Set("g:bufExplorerDefaultHelp", 1) " Show default help? +call s:Set("g:bufExplorerDetailedHelp", 0) " Show detailed help? +call s:Set("g:bufExplorerFindActive", 1) " When selecting an active buffer, take you to the window where it is active? +call s:Set("g:bufExplorerOnlyOneTab", 1) " If ShowTabBuffer = 1, only store the most recent tab for this buffer. +call s:Set("g:bufExplorerReverseSort", 0) " Sort in reverse order by default? +call s:Set("g:bufExplorerShowDirectories", 1) " (Dir's are added by commands like ':e .') +call s:Set("g:bufExplorerShowRelativePath", 0) " Show listings with relative or absolute paths? +call s:Set("g:bufExplorerShowTabBuffer", 0) " Show only buffer(s) for this tab? +call s:Set("g:bufExplorerShowUnlisted", 0) " Show unlisted buffers? +call s:Set("g:bufExplorerSortBy", "mru") " Sorting methods are in s:sort_by: +call s:Set("g:bufExplorerSplitBelow", &splitbelow) " Should horizontal splits be below or above current window? +call s:Set("g:bufExplorerSplitOutPathName", 1) " Split out path and file name? +call s:Set("g:bufExplorerSplitRight", &splitright) " Should vertical splits be on the right or left of current window? +"1}}} + +" vim:ft=vim foldmethod=marker sw=4 |