vimrc

"""" .vimrc
""""
"""" Ian Halliday
"""" ianwjhalliday (gmail)
""""
"""" Style guideline:  Use full names of commands for clarity to readership

""" Initialize pathogen
call pathogen#infect()


""" Configuration

"" General
set nocompatible                    " no legacy vi compatibility
syntax enable
set encoding=utf-8                  " note utf-8 is forced in MacVim
filetype plugin indent on           " load file type plugins + identation
set hidden                          " Allow backgrounding buffers w/o writing them and remember marks/undo for them

"" vim-jsx plugin
let g:jsx_ext_required = 0

"" color scheme
"set background=light
"colorscheme solarized
"let g:zenburn_high_Contrast = 1
let g:zenburn_disable_Label_underline = 1
colorscheme zenburn

"" Backup and Swap files
set backup                          " Do I really want this?
set backupdir=$TMPDIR,$TEMP,.       " Prefer temp dir for back up files over same dir as file
" Keep swap file directory to default but add $TMPDIR so that on windows there
" is a real working location for new buffer swap files (because C:\tmp doesn't
" exist generally).
set dir+=$TMPDIR,$TEMP

"" Editor Visuals
set guicursor=n:blinkon0            " turn cursor blinking off in normal mode
set number                          " show line numbers
set ruler                           " show line, column position of cursor
set showmatch                       " flash matching brackets during typing
set showcmd                         " display incomplete commands
set laststatus=2                    " always show status line, even if only one window is open

"" Formatting
set nowrap                          " don't wrap lines
set noautoindent                    " Do I really want this?
set smartindent                     " Do I really want this?
set tabstop=4 shiftwidth=4          " a tab is four spaces
set expandtab                       " use spaces, not tabs
" I used to turn off backspace=start but it turns out this is useful to have
" when you're copying C/C++ function declarations to a source file to
" implmement them and you then want to hit "A<bs><cr>{ ... }"
set backspace=indent,eol,start      " backspace through everything in insert mode

"" Searching
set hlsearch                        " highlight matches
set incsearch                       " incremental searching
set ignorecase                      " searches are case insensitive...
set smartcase                       " ... unless they contain at least one capital letter

"" Hidden characters
set list                            " show invisible characters
set listchars=""                    " reset the listchars
set listchars=tab:▸\                " a tab should display as "▸    "
set listchars+=trail:.              " trailing whitespace as "."
" set listchars+=eol:¬                " end of line shows as "¬"
" set listchars+=extends:>            " ">" shown in last column when line extends past screen (nowrap)
" set listchars+=precedes:<           " "<" shown in first column when line extends past screen (nowrap)

"" Folding
set foldlevel=4                     " on opening files only close folds that are nested four levels deep or more

""" File type auto configurations

" Use a group so we can clear all the autocmds without affecting plugins
augroup vimrc

    " Clear all autocmds in the group so they don't get added again on resourcing this vimrc file
    autocmd!

    "" Workaround to backupcopy=auto not working with symlinks bug on windows
    if has("win32")
        autocmd BufWritePre ~/_vimrc,~/_gvimrc set backupcopy=yes
        autocmd BufWritePost ~/_vimrc,~/_gvimrc set backupcopy&
        autocmd BufWritePost ~/_vimrc,~/_gvimrc silent !attrib -r "%"
    endif

    "" These types are xml
    autocmd BufNewFile,BufRead *.vsdconfigxml,*.*proj,*.props,*.targets setl filetype=xml

    autocmd BufNewFile,BufRead */zsh/* set filetype=zsh

    " Quicky exit help by pressing q instead of :q<CR>
    autocmd BufRead *.txt if &buftype=='help'|nmap <buffer> q <C-w>c|endif

    "" XML
    " I prefer two spaces in tabs for xml
    autocmd FileType xml setl tabstop=2 shiftwidth=2

    " JavaScript and TypeScript tend to use two space tabs
    autocmd FileType javascript,javascript.jsx,typescript,typescript.jsx setl tabstop=2 shiftwidth=2

    "" Vimwiki
    " I prefer two spaces in tabs for vimwiki lists, folding requires this to work
    " correctly.
    autocmd BufNewFile,BufRead *.wiki setl tabstop=2 shiftwidth=2

    "" CoffeeScript, Jade
    " Fold by indentation, folding disabled by default (enable per file with zi).
    " Tab width of two spaces.
    autocmd BufNewFile,BufRead *.coffee,*.jade setl foldmethod=indent nofoldenable
    autocmd BufNewFile,BufRead *.coffee,*.jade setl tabstop=2 shiftwidth=2

augroup END

""" Variable options

let g:vimwiki_folding = 1
let g:vimwiki_fold_lists = 1

let dropboxwiki = {}
let dropboxwiki.path = '~/Dropbox/vimwiki'

let g:vimwiki_list = [dropboxwiki]

""" Key bindings

"" Solarized command to alternate between light and dark, use F5
call togglebg#map("<F5>")

"" Leader remapping (swap , and \)

" Use , instead of \ as leader
let mapleader=","
" Keep , functionality available in \
noremap <Bslash> ,

"" Quickly open vimrc and gvimrc with ,ev and ,eg
"" and quickly source them with ,sv and ,sg
nnoremap <leader>ev :vsplit $MYVIMRC<cr>
nnoremap <leader>eg :vsplit $MYGVIMRC<cr>
nnoremap <leader>ehv :split $MYVIMRC<cr>
nnoremap <leader>ehg :split $MYGVIMRC<cr>
nnoremap <leader>sv :source $MYVIMRC<cr>
nnoremap <leader>sg :source $MYGVIMRC<cr>

"" <esc> is awkward to use to get out of insert mode so
"" let's use kj instead.  How often does kj get typed?
inoremap kj <esc>

" Map enter to clear highlight search in normal mode
" Also map <leader><cr> to use in vimwiki files where enter
" is used to create or follow links.
nnoremap <cr> :nohlsearch<cr>
nnoremap <leader><cr> :nohlsearch<cr>

" Tab is easier to press than %
" (Ctrl+I does same as tab used to)
" Use recursive mappings to take advantage of matchit.vim
nmap <tab> %
vmap <tab> %

" Ctrl+6 is tricky to hit so map ,, to it for easy
" last buffer switching
nnoremap <leader><leader> <C-^>

" %% in command mode is expanded to directory of
" current file - http://vimcasts.org/e/14
cnoremap %% <C-R>=expand('%:h').'/'<cr>

" Use - and _ to move current [n] lines up or down one
nnoremap - ddp
nnoremap _ ddkP

" Use H and L for home and end -- easier to type
" Swap with $ and ^ so that I still have keys to
" get to the top and bottom of the screen.
nnoremap H ^
vnoremap H ^
nnoremap ^ H
vnoremap ^ H
nnoremap L $
vnoremap L $
nnoremap $ L
vnoremap $ L

"" Window management mappings

" Open new vertical split and switch to it with ,v
" Open new horizontal split and switch to it with ,h
nnoremap <leader>v <C-w>v<C-w>l
nnoremap <leader>h <C-w>s<C-w>j

" Close window quickly with ,q
nnoremap <leader>q :q<cr>

" Navigate windows using C-hjkl instead of C-w C-hjkl
nnoremap <C-h> <C-w>h
nnoremap <C-j> <C-w>j
nnoremap <C-k> <C-w>k
nnoremap <C-l> <C-w>l

" Resize windows using control and the arrow keys
nnoremap <C-Left> <C-W>-<C-W>-
nnoremap <C-Right> <C-W>+<C-W>+
nnoremap <C-Up> <C-W>><C-W>>
nnoremap <C-Down> <C-W><<C-W><

"" Command-T mappings

map <leader>f :CommandT<cr>
map <leader>F :CommandT %%<cr>


"" Ack mappings

map <leader>a :Ack 


"" Markdown specific mappings (should be triggered only for .md files?)

" These five mappings will take the current line and turn it into a
" header with the corresponding level 1 through 5.  1 and 2 prefer
" underline style, while the rest must be hash mark style.
nnoremap <leader>1 YpVr=
nnoremap <leader>2 YpVr-
nnoremap <leader>3 I### <esc>A ###<esc>
nnoremap <leader>4 I#### <esc>A ####<esc>
nnoremap <leader>5 I##### <esc>A #####<esc>

"""" Override and additional settings from external configuration files

if filereadable(expand('~\OneDrive - Microsoft\vimrc'))
    source $HOME/OneDrive\ -\ Microsoft/vimrc
endif

"""" Functions and their bindings

function! <SID>StripTrailingWhitespace()
    " Preparation: save last search, and cursor position.
    let _s=@/
    let l = line(".")
    let c = col(".")
    " Do the business:
    %s/\s\+$//e
    " Clean up: restore previous search history, and cursor position
    let @/=_s
    call cursor(l, c)
endfunction
nmap <silent> <Leader><space> :call <SID>StripTrailingWhitespace()<CR>

"" fullscreen toggle calling out to gvimfullscreen.dll
""   state is persisted via vim string passed to and returned from
""   the library call, since vim unloads the library after the call
""   is made
let g:gvimfullscreen_state = ""
function! <SID>ToggleFullScreen()
    let g:gvimfullscreen_state = libcall("gvimfullscreen.dll", "ToggleFullScreen", g:gvimfullscreen_state)
endfunction
nnoremap <F11> :call <SID>ToggleFullScreen()<CR>