endif
augroup StatusLine
autocmd!
+ augroup File
+ autocmd!
augroup END
endif
endfun "}}}2
" Helper for status line.
+" Show v when virtualedit mode is block, insert or onemore.
+" Show V when virtualedit mode is all.
+fun! Show_VirtualEdit() "{{{2
+ if ! has("virtualedit")
+ return ""
+ endif
+
+ if &ve == "all"
+ return "V"
+ elseif &ve
+ return "v"
+ else
+ return ""
+ endif
+endfun "}}}2
+
+" Helper for status line.
+" Show U when persistent undo is on.
+" Show u when persistent undo is off but an undofile exists.
+fun! Show_Undo() "{{{2
+ if ! exists("&undofile")
+ return ""
+ endif
+
+ if &undofile
+ return "U"
+ elseif filereadable(undofile(expand("%")))
+ return "u"
+ else
+ return ""
+ endif
+endfun "}}}2
+
+" Helper for status line.
" Show alternate buffer number and name.
fun! Show_Alt() "{{{2
let l:alt = bufnr("#")
return
endif
call Iain_Vars()
- let l:sl1='%2n\:\ %<%1*%f%0*\ [%{Show_List()}%{Show_Case()}%{Show_Tabstop()}%{Show_Paste()}%Y%M%R]%{Show_Alt()}\ '
+ let l:sl1='%2n\:\ %<%1*%f%0*\ [%{Show_List()}%{Show_Case()}%{Show_Tabstop()}%{Show_Paste()}%{Show_VirtualEdit()}%{Show_Undo()}%Y%M%R]%{Show_Alt()}\ '
let l:sl3='L:%1*%4.6l%0*/%-4.6L\ C:%1*%3.6c%0*\ \|\ %P'
let l:hexformat='%b'
if b:iainhex
endif
endfun "}}}2
+" Handle searching in a BufExplorer window.
+fun! <SID>BufExplorer_Search(n) "{{{2
+ if a:n == 0
+ let l:re = '^ *\d %'
+ else
+ let l:re = "^ *" . a:n
+ endif
+
+ " Find matching line.
+ let l:line = search(l:re, 'w')
+ if ! l:line
+ return
+ endif
+
+ if a:n == 0
+ return
+ endif
+
+ " Peek ahead to the next matching line.
+ let l:next = search(l:re, 'w')
+
+ " Select the buffer if the match is unambiguous.
+ if l:next == l:line
+ exe "normal \<CR>"
+ return
+ endif
+
+ " Go back.
+ call cursor(l:line, 0)
+endfun! "}}}2
+
+" Entering a BufExplorer window.
+fun! <SID>BufExplorer_Map() "{{{2
+ for l:n in [ "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" ]
+ exec "nnoremap <buffer> <silent>" . l:n . " :call <SID>BufExplorer_Search(" . l:n . ")<CR>"
+ endfor
+endfun "}}}2
+
if has("windows")
se tabline=%!Show_TabLine()
se guitablabel=%!Show_GUITabLine()
au Signs InsertEnter * call <SID>Highlight_Signs()
au Signs InsertLeave * call <SID>Highlight_Signs()
endif
+
+ au Mode BufEnter \[BufExplorer\] call <SID>BufExplorer_Map()
endif
" Limit the size of the popup menu when completing.
" BufExplorer.
let g:bufExplorerShowRelativePath=1
let g:bufExplorerSplitOutPathName=0
+
+" NERDcommenter.
+let g:NERDSpaceDelims=1
+endif "}}}1
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+" Handle options only available in Vim 7.3 and above.
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+if version >= "703" "{{{1
+version 7.3
+
+" Toggle persistent undo with \u.
+call Mapping("u", ":call <SID>Cycle_Undo()<CR>:<CR>")
+" Remove persistent undo file with \U.
+call Mapping("U", ":call <SID>Clear_Undo()<CR>:<CR>")
+
+" Use a persistent undo file if it exists.
+fun! <SID>Check_Undo() "{{{2
+ if filereadable(undofile(expand("%")))
+ setlocal undofile
+ endif
+endfun "}}}2
+
+" Toggle persistent undo for this buffer.
+fun! <SID>Cycle_Undo() "{{{2
+ if has("persistent_undo")
+ let &undofile = ! &undofile
+ endif
+endfun "}}}2
+
+" Remove the persistent undo file for this buffer.
+fun! <SID>Clear_Undo() "{{{2
+ if ! has("persistent_undo")
+ return
+ endif
+
+ setlocal noundofile
+
+ let l:f = expand("%")
+ if l:f == ""
+ return
+ endif
+
+ let l:u = undofile(l:f)
+ if l:u == ""
+ return
+ endif
+
+ if ! filereadable(l:u) || ! filewritable(l:u)
+ return
+ endif
+
+ call delete(l:u)
+endfun "}}}2
+
+" Toggle ColorColumn at cursor position.
+fun! <SID>Cycle_ColorColumn() "{{{2
+ if ! has("syntax")
+ return
+ endif
+
+ let l:cc = &colorcolumn
+ let l:column = col(".")
+ let l:re = ",*\\<" . l:column . "\\>"
+ if l:cc =~# l:re
+ let l:cc = substitute(l:cc, l:re, "", "g")
+ else
+ let l:cc = l:cc . "," . l:column
+ endif
+ let &colorcolumn = substitute(l:cc, "^,*", "", "")
+endfun "}}}2
+
+if has("syntax")
+ " Enable showing ColorColumn at cursor position with \CC.
+ call Mapping("CC", ":call <SID>Cycle_ColorColumn()<CR>:<CR>")
+ " Remove last shown ColorColumn with \Cc.
+ call Mapping("Cc", ":let &colorcolumn=substitute(&colorcolumn, \",*[0-9]*$\", \"\", \"\")<CR>:<CR>")
+ " Remove all ColorColumns with \Cx.
+ call Mapping("Cx", ":se colorcolumn=<CR>:<CR>")
+endif
+
+" Use persistent undo if available.
+if has("autocmd")
+ if has("persistent_undo")
+ au File BufReadPost * call <SID>Check_Undo()
+ endif
+endif
endif "}}}1
" Resize after startup.