vimrc

" vim: set foldmarker={,} foldlevel=0 foldmethod=marker:
" Notes {
"   This is the personal .vimrc file of Daniel Jonasson.
"   https://github.com/djonasson/dotvim
" }

" https://github.com/tpope/vim-pathogen
" Manage your 'runtimepath' with ease. In practical terms, pathogen.vim makes
" it super easy to install plugins and runtime files in their own private
" directories.
" TODO: Maybe it would be more convenient to use vundle?
call pathogen#infect()

" General {

  " Setup the mapleader
  let mapleader = "\\"

  set nocompatible

  " allow to change buffers although the current one hasn't been saved
  set hidden

  " syntax highlight
  syntax on

  " auto-detect the filetype
  filetype plugin indent on

  " Stop vim from asking if you want to write the file before leaving buffer
  set autowrite

  " have Q reformat the current paragraph (or selected text if there is any):
  nnoremap Q gqap
  vnoremap Q gq

  " Load matchit (% to bounce from do to end, etc.)
  runtime! macros/matchit.vim

  " 1000 undo levels
  set undolevels=1000

  " Remove trailing white-spaces with F5
  :nnoremap <silent> <F5> :let _s=@/<Bar>:%s/\s\+$//e<Bar>:let @/=_s<Bar>:nohl<CR>

" }

" Visual Improvements {

  "Highlight trailing whitespace
  set list listchars=trail:.
  highlight SpecialKey ctermfg=DarkGray

  "Differentiate tabs from spaces
  set list listchars=tab:\|_,trail:.

  " Higlight current line
  set cursorline

  " show line numbers
  "set number

  " Remove the icon menu
  set guioptions-=T

  " Choose theme based upon terminal type
  if $COLORTERM == 'gnome-terminal'
    set term=gnome-256color
    colorscheme railscasts
  else
    colorscheme desert
  endif

  " Set the default font
  set gfn=DejaVu\ Sans\ Mono\ 8

" }

" Searching {
  " start searching immediately when using /something
  set sm

  " Incrementally jump to the search result
  set incsearch

  " Highlight search results
  set hlsearch

  " ignore case while searching
  set ignorecase
" }

" Tabs and Indentation {

  " Wrap too long lines
  set wrap

  " Tabs are 2 characters
  set tabstop=2

  " (Auto)indent uses 2 characters
  set shiftwidth=2

  " spaces instead of tabs
  set expandtab

  " guess indentation
  set autoindent

" }

" Backup {
  " We backup to the ~/.vim/backup and ~/.vim/tmp folders instead of to the
  " current directory.
  set backup
  function InitBackupDir()
    let separator = "."
    let parent = $HOME .'/' . separator . 'vim/'
    let backup = parent . 'backup/'
    let tmp    = parent . 'tmp/'
    if exists("*mkdir")
      if !isdirectory(parent)
        call mkdir(parent)
      endif
      if !isdirectory(backup)
        call mkdir(backup)
      endif
      if !isdirectory(tmp)
        call mkdir(tmp)
      endif
    endif
    let missing_dir = 0
    if isdirectory(tmp)
      execute 'set backupdir=' . escape(backup, " ") . "/,."
    else
      let missing_dir = 1
    endif
    if isdirectory(backup)
      execute 'set directory=' . escape(tmp, " ") . "/,."
    else
      let missing_dir = 1
    endif
    if missing_dir
      echo "Warning: Unable to create backup directories: " . backup ." and " . tmp
      echo "Try: mkdir -p " . backup
      echo "and: mkdir -p " . tmp
      set backupdir=.
      set directory=.
    endif
  endfunction
  call InitBackupDir()
" }

" File handling and navigation {

  " Expand the command line using tab
  set wildchar=<Tab>

  " show matching files list when using :e etc. don't use greedy matching.
  set wildmode=longest,list

  " When editing a file, always jump to the last known cursor position. Don't
  " do it when the position is invalid or when inside an event handler
  " (happens when dropping a file on gvim).
  autocmd BufReadPost *
    \ if line("'\"") > 0 && line("'\"") <= line("$") |
    \   exe "normal g`\"" |
    \ endif

  " Modifications for the minibufexpl plugin:
  let g:miniBufExplUseSingleClick = 1
  let g:miniBufExplMapCTabSwitchBufs = 1
  let g:miniBufExplMapWindowNavVim = 1
  let g:miniBufExplMaxSize = 2

  " Modifications for the NERDTree plugin
  map <F12> :NERDTreeToggle<CR>

" }

" Rails {
  let g:browser = 'firefox -new-tab '

  " Open the Ruby ApiDock page for the word under cursor, in a new Firefox tab
  function! OpenRubyDoc(keyword)
    let url = 'http://apidock.com/ruby/'.a:keyword
    exec '!'.g:browser.' '.url.' &'
  endfunction
  noremap RB :call OpenRubyDoc(expand('<cword>'))<CR>

  " Open the Rails ApiDock page for the word under cursor, in a new Firefox tab
  function! OpenRailsDoc(keyword)
    let url = 'http://apidock.com/rails/'.a:keyword
    exec '!'.g:browser.' '.url.' &'
  endfunction
  noremap RR :call OpenRailsDoc(expand('<cword>'))<CR>
" }

" FuzzyFinder {
  map <leader>F :FufFile<CR>
  map <leader>f :FufTaggedFile<CR>
  map <leader>s :FufTag<CR>
" }

" ack-grep
let g:ackprg="ack-grep -H --nocolor --nogroup --column"

" Move row up with Ctrl-up
" TODO: I really should take the time to do this properly...
map <C-Up> ddkP

" Move row down with Ctrl-down
" TODO: I really should take the time to do this properly...
map <C-Down> ddp