Vim configuration file

" Function that returns the type of system. You need to
" change this to the correct type: linux, mac, windows
fun! MySys()
    return 'mac'
endfun

" Pathogen plugin configuration
"call pathogen#runtime_append_all_bundles()

" Makes Vim not compatible with vi
set nocompatible

" No lines are checked for set commands. Prevent security exploits.
set modelines=0

" Sets how many lines of history Vim has to remember
set history=300

" Enable filetype plugin and indent for specific file types
filetype plugin on
filetype indent on

" Auto read a file if it is changed from the outside
set autoread

" Set numbers for lines
set number

" Number of spaces that a <Tab> in the file counts for.
set tabstop=4

" Number of spaces to use for each step of (auto)indent.
set shiftwidth=4

" Number of spaces that a <Tab> counts for while performing
" editing operations, like inserting a <Tab> or using <BS>.
set softtabstop=4

" Use the appropriate number of spaces to insert a <Tab>.
" If linecharstring:tab is used tab marks will not be shown
" because they have been converted into spaces.
set expandtab

" List mode: Show tabs as CTRL-I is displayed, display $ after
" end of line.  Useful to see the difference between tabs and
" spaces and for trailing blanks.
set list

" Strings to use in 'list' mode and for the :list command.
" It is a comma separated list of string settings.
" tab:xy - Two chars to be used to show a tab. First used one
"          second is repeated to fill the space of the tab
" eol:c - Char to show at the end of each line
set listchars=tab:»\ ,eol:←

" Sets the character enconding to Unicode UTF8
set encoding=utf-8

if has("gui_running")
    set mouse=a             " enable the mouse
    set guioptions-=T       " remove the toolbar
    set t_Co=256            " number of colors
    colorscheme murphy      " set a colorscheme
else
    colorscheme slate
endif


" Try to set the language to Spanish
try
    language es_ES
    catch
endtry

" This gives the end-of-line (<EOL>) formats that will be tried
" when starting to edit a new buffer and when reading a file
" into an existing buffer
set fileformats=unix,dos,mac

" Minimal number of screen lines to keep above and below the cursor.
set scrolloff=4

" Copy indent from current line when starting a new line (<CR>
" in Insert mode or when using the "o" or "O" command).
set autoindent

" Do smart autoindenting when starting a new line.  Works for
" C-like programs, but can also be used for other languages.
set smartindent

" Enables automatic C program indenting. When you don't like
" the way 'cindent' works, try the 'smartindent'
set cindent

" If in Insert, Replace or Visual mode put a message on
" the last line.
set showmode

" Indicates when a line is wrapped by prefixing wrapped lie
" with the choosen character.
:set showbreak=>\

" When off a buffer is unloaded when it is |abandon|ed.
" When on a buffer becomes hidden when it is |abandon|ed.
set hidden

" When is on, command-line completion operates in an
" enhanced mode.
set wildmenu

" No error beeps on errors
set noerrorbells

" Use visual bell instead of beeping.
set novisualbell

" No visual flashes on the display
set vb t_vb=

" Completion mode that is used for the character specified with
" 'wildchar'. It is a comma separated list of up to four parts.
" list:longest - When more than one match, list all matches and
" complete till longest common string.
" set wildmode=list:longest

" Highlight the screen line of the cursor with CursorLine
" set cursorline

" Indicates a fast terminal connection.  More characters will
" be sent to the screen for redrawing, instead of using
" insert/delete line commands.
set ttyfast

" Show the line and column number of the cursor position,
" separated by a comma.
" set ruler

" Sets a ruler with a steroid format.
" set rulerformat=%30(%=\:b%n%y%m%r%w\ %l,%c%V\ %P%)

"  Show (partial) command in the last line of the screen.
set showcmd


" The value of this option influences when the last window will
" have a status line:  0: never 1: only if there are at least
" two windows 2: always
if has('statusline')
    set laststatus=2

" Broken down into easily includeable segments
set statusline=%<%f\                      " Filename
set statusline+=%w%h%m%r                  " Options
"set statusline+=%{fugitive#statusline()} " Git Hotness
set statusline+=\ [%{&ff}/%Y]             " filetype
set statusline+=\ [%{getcwd()}]           " current dir
set statusline+=\ [A=\%03.3b/H=\%02.2B]   " ASCII / Hex value of char
set statusline+=%=%-14.(%l,%c%V%)\ %p%%   " Right aligned file nav info
endif

" Influences the working of <BS>, <Del>, CTRL-W and CTRL-U in
" Insert mode. This is a list of items, separated by commas
set backspace=indent,eol,start


" Do not redraw while executing macros
set nolazyredraw

" Enable highlighting of text depending on filetype
syntax enable


" Set font according to system
if MySys() == "mac"
    set guifont=Menlo:h14
    set shell=/bin/bash
elseif MySys() == "windows"
      set guifont=Bitstream\ Vera\ Sans\ Mono:h10
elseif MySys() == "linux"
    set guifont=Monospace\ 10
    set shell=/bin/bash
endif


" COLORS
"
" Highlighting used for eol, extends and precedes
highlight NonText ctermfg=lightgray guifg=lightgray

" Highlighting used for nbsp, tab and trail
highlight SpecialKey ctermfg=lightgray guifg=lightgray

" Change the <leader> key from the default "\" to "," (comma)
let mapleader = ","
let g:mapleader = ","

" MANAGE LONG LINES OF TEXT
"
" Lines longer than the width of the window will wrap and
" displaying continues on the next line
set wrap

" Maximum width of text that is being inserted.  A longer line
" will be broken after white space to get this width
set textwidth=79

" This is a sequence of letters which describes how automatic
" formatting is to be done.
" q = Allow formatting of comments with "gq".
" r = Auto insert the current comment leader after hitting
"     <Enter> in Insert mode.
" n = When formatting text, recognize numbered lists.
" 1 = Don't break a line after a one-letter word.  It's
"     broken before it instead (if possible).
set formatoptions=qrn1

" Comma separated list of screen columns that are highlighted
" with ColorColumn 'hl-ColorColumn'
" NEW in Vim 7.3
" set colorcolumn=85


" SEARCHING AND MOVING
"
" Ignore case in search patterns.  Also used when searching
" in the tags file.
set ignorecase

" Override the 'ignorecase' option if the search pattern
" contains upper case characters.
set smartcase

" When on, the ":substitute" flag 'g' is default on.
" This means that all matches in a line are substituted instead
" of one.  When a 'g' flag is given to a ":substitute" command,
" this will toggle the substitution to one match.
set gdefault

" While typing a search command, show where the pattern, as it
" was typed so far, matches.  The matched string is highlighted.
set incsearch

" When a bracket is inserted, briefly jump to the matching one.
" The jump is only done if the match can be seen on the screen.
set showmatch

" When there is a previous search pattern, highlight all
" its matches.
set hlsearch

" MAPPINGS
"
" Insert a character in normal mode in the current char position
:nnoremap s :exec "normal i".nr2char(getchar())."\e"<cr>

" Insert a character in normal mode in the next char  position
:nnoremap S :exec "normal a".nr2char(getchar())."\e"<cr>

" Fix Vim’s horribly broken default regex “handling” by
" automatically inserting a \v before any string you search for.
" This makes Vim regex work like Perl/Python regex formatting.
nnoremap / /\v
vnoremap / /\v

" Map the <tab> key to the "%" key to make the <tab> key match
" bracket pairs. Which makes a lot easier to move in source code.
nnoremap <tab> %
noremap <tab> %

" This mapping makes it easy to clear the highlighting of a
" previous search
noremap <leader><space> :noh<cr>

" Remap the F1 key to ESC. This will avoid getting the help
" when trying aiming for escape.
inoremap <F1> <ESC>
nnoremap <F1> <ESC>
vnoremap <F1> <ESC>

" Remap the ';' key to do the same thing as the ':' key.
" Will save one less key to type.
nnoremap ; :

" Save the file on losing focus
autocmd FocusLost * :wa

" Source changes to vimrc immediately
autocmd BufWritePost ~/.vimrc :source ~/.vimrc

" Add file extensions so they are handled with the
" correct filetype
autocmd BufRead,BufNewFile *.module set filetype=php
autocmd BufRead,BufNewFile *.install set filetype=php
autocmd BufRead,BufNewFile *.inc set filetype=php

" Activate code completion for a programming language.
autocmd FileType php set omnifunc=phpcomplete#CompletePHP

" LEADER COMMANDS
"
" Strip all trailing whitespaces on the current file
nnoremap <leader>W :%s/\s\+$//<cr>:let @/=''<cr>

" Fold tag function to fold a section of text that is
" between a pair of HTML tags
nnoremap <leader>ft Vatzf

" Re-hardwrap paragraphs of text.
nnoremap <leader>q gqip

" Reselect the text that was just pasted so you can
" perform commands (like indentation) on it
nnoremap <leader>v V`]

" Open your ˜/.vimrc file in a vertically split window so
" you can add new settings on the fly
nnoremap <leader>ev <C-w><C-v><C-l>:e $MYVIMRC<cr>

" Fast save a file
nnoremap <leader>w :w!<cr>

" WINDOW MAPPINGS
"
" Mapping to open a new vertical split and switch
" over to it.
nnoremap <leader>w <C-w>v<C-w>l

" Mappings to facilitate moving around your splits.
nnoremap <C-h> <C-w>h
nnoremap <C-j> <C-w>j
nnoremap <C-k> <C-w>k
nnoremap <C-l> <C-w>l