"""""""""""""
" SHORTCUTS "
"""""""""""""
"   F1          help
"   F2          open file in a new tab
" S-F2          Split and open file
"   F3          autotags Update
" S-F3          autotags Add
"   F4          open include file
"   F5          find C symbol
"   F6          go to definition
"   F7          go to calls
"   F8          view tag list
" S-F8          build ctags/cscope databases
" M-F8          build kernel ctags/cscope databases
"   F9          Open NerdTree
" M-F9          Show diff line
" S-F9          Highlight diff line
" M-F10	        diff tool
"   F10         folding
" S-F10         unfolding
"   F11         unhighlight search
"   F12         paste mode
" C-left/right  switch tab
" C-up/down     switch window
" M-left/right  horizontal size
" M-up/down     vertical size
" gc            comment/uncomment
" C-K           indent selection
" \-k           Set Kernel Coding style
" Use snippets with tab e.g : for <tab> (see .vim/bundle/vim-snippets/snippets for available
" snippets)

"""""""""""
" GENERAL "
"""""""""""
" disable vi-compatible mode
set nocompatible

" Switch syntax highlighting on when the terminal has colors or when using the
" GUI (which always has colors).
if &t_Co > 2 || has("gui_running")
  " Revert with ":syntax off".
  syntax on

  " I like highlighting strings inside C comments.
  " Revert with ":unlet c_comment_strings".
  let c_comment_strings=1
endif

filetype plugin on
" enable file type detection and do language-dependent indenting
filetype plugin indent on
"set clipboard=unnamed
""""""""
" SAVE "
""""""""
" disable backup
set nobackup
" save before compilation
set autowrite
" Put these in an autocmd group, so that you can revert them with:
" ":augroup vimStartup | au! | augroup END"
augroup vimStartup
  au!

  " 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("'\"") >= 1 && line("'\"") <= line("$") |
    \   exe "normal! g`\"" |
    \ endif

augroup END

" command line history
set history=200

" Check that file have not been changed
" CursorHold : after cursor move
" WinEnter or BufWinEnter
au WinEnter * checktime
au BufWinEnter * checktime

"""""""""
" INPUT "
"""""""""
" allow backspacing in insert mode
set backspace=indent,eol,start
" don't use Ex mode, use Q for formatting
map Q gq
" Enable mouse for 'a'll mode
set mouse=a
" key combination timeout
set notimeout
"set timeoutlen=4000
" set timeout for multicharacter keys codes (like <F1>)
set ttimeout
" set timeout to tenth of a second (could be increased for slow terminals)
set ttimeoutlen=100
" key event timeout
set updatetime=1000

"""""""""""
" DISPLAY "
"""""""""""
" highlight the cursor line
set cursorline
" show the cursor position
set ruler
" show mode
set showmode
" display incomplete commands
set showcmd
" display line number"
set number
" set status line
set statusline=%<%f\ %h%w%m%r%3.(\ %)%{fugitive#statusline()}%=%([%{Tlist_Get_Tagname_By_Line()}]%)%3.(\ %)%-14.(%l,%c%V%)\ %P
" always display status line
set laststatus=2
set showcmd		" display incomplete commands
set wildmenu		" display completion matches in a status line

" show bad white spaces
let c_space_errors = 1
let python_space_error_highlight = 1
highlight link cSpaceError SpaceError
highlight link pythonSpaceError SpaceError
highlight SpaceError ctermfg=235 cterm=reverse

"""""""""""""""
" INDENTATION "
"""""""""""""""
" use tabs at the start of a line, spaces elsewhere
set smarttab
set smartindent
set autoindent
"" tab=4
"set tabstop=4
"set softtabstop=4
"set shiftwidth=4
" tab=8
set tabstop=8
set softtabstop=8
set shiftwidth=8
" real tabs
" set noexpandtab

if has("autocmd")
        " python
        " autocmd FileType python set tabstop=4|set shiftwidth=4|set expandtab
        autocmd Filetype python set smartindent cinwords=if,elif,else,for,while,try,except,finally,def,class
        autocmd Filetype python set tabstop=8
        autocmd Filetype python set expandtab
        autocmd Filetype python set shiftwidth=4
        autocmd Filetype python set softtabstop=4
        autocmd Filetype python set modeline
        " Indentation with = for python need autopep8
        autocmd Filetype python set equalprg=autopep8\ -

endif

if has("autocmd")
    autocmd BufRead,BufNewFile *.iris set ft=python
    autocmd BufRead,BufNewFile *.ino set tabstop=4
    autocmd BufRead,BufNewFile *.ino set softtabstop=4
    autocmd BufRead,BufNewFile *.ino set shiftwidth=4
endif

" vim -b : edit binary using xxd-format!
augroup Binary
        au!
        au BufReadPre  *.bin let &bin=1
        au BufReadPost *.bin if &bin | %!xxd
        au BufReadPost *.bin set ft=xxd | endif
        au BufWritePre *.bin if &bin | %!xxd -r
        au BufWritePre *.bin endif
        au BufWritePost *.bin if &bin | %!xxd
        au BufWritePost *.bin set nomod | endif
augroup END

if has("autocmd")
        " detect indentation see http://www.freehackers.org/Indent_Finder
        if has('python')
                autocmd BufReadPost /* execute system ('python2 ~/.vim/indent_finder/indent_finder.py --vim-output "' . expand('%') . '"' )
        endif
else
        " auto-indent
        set autoindent
        " smart-indent
        set smartindent
        " C-indent
        "set cindent
        " indent-expr
        "set indentexpr ""
endif

map <C-K> :pyf ~/.vim/syntax/clang-format.py<CR>
imap <C-K> <ESC>:pyf ~/.vim/syntax/clang-format.py<CR>i

""""""""""
" SEARCH "
""""""""""

" highlight search
set hlsearch
" unhighlight current search
map <silent> <F11> :nohlsearch<CR>
imap <F11> <ESC><F11>a
" highlight search while typing
set incsearch
" show matching brackets -> key %
set showmatch
" tenths of a second before blink matching brackets
set mat=5
" search word and list lines to jump with F3
" map <F3> [I:let nr = input("Which one: ") <Bar>execute "normal " . nr ."[\t"<CR>
" go to declaration with F5
" map <silent> <F5> gd:nohlsearch<CR>
" imap <F5> <ESC><F5>i
" try to go to definition or declaration with , and go back with ;
function GoToDefinition()
        try
                execute "cscope find g " . expand("<cword>")
        catch /:E259:/
                try
                        execute "tag " . expand("<cword>")
                catch /:E257:/
                        execute "normal! gd"
                        execute "nohlsearch"
                endtry
        endtry
endfunction
nmap <silent> , :call GoToDefinition()<CR>
nmap <silent> ; <C-t>

" plugin taglist
let Tlist_Ctags_Cmd = '/usr/bin/ctags'
let Tlist_Process_File_Always = 1
let Tlist_Exit_OnlyWindow = 1
"let Tlist_Close_On_Select = 1
let Tlist_Auto_Highlight_Tag = 1
let Tlist_Display_Prototype = 0
let Tlist_Display_Tag_Scope = 0
let Tlist_Show_One_File = 1
let Tlist_Compact_Format = 1
let Tlist_Enable_Fold_Column = 0
" sort by name or order ?
let Tlist_Sort_Type = "name"
"let Tlist_File_Fold_Auto_Close = 1
let Tlist_Inc_Winwidth = 0
"let Tlist_Use_Horiz_Window = 1
let Tlist_Use_Right_Window = 1
" open/close tag list window with F8
map <silent> <F8> :TlistToggle<CR>

" close preview window after a completion
if has("autocmd")
        autocmd CursorMovedI *.{[hc],cpp} if pumvisible() == 0|pclose|endif
        autocmd InsertLeave *.{[hc],cpp} if pumvisible() == 0|pclose|endif
endif

function! TagInNewTab()
        let word = expand("<cword>")
        redir => tagsfiles
        silent execute 'set tags'
        redir END
        tabe
        execute 'setlocal' . strpart(tagsfiles, 2)
        execute 'tag ' . word
endfunction

map    <S-CR>    :call TagInNewTab()<CR>

"""""""""
" PASTE "
"""""""""
" set/unset paste mode with F12/shift+F12
map <F12> :set paste<CR>
map <S-F12> :set nopaste<CR>
imap <F12> <C-O>:set paste<CR>
imap <S-F12> <nop>
set pastetoggle=<S-F12>
" paste with reindent with Esc prefix
nnoremap <Esc>P P'[v']=
nnoremap <Esc>p p'[v']=

""""""""""
" WINDOW "
""""""""""
" create window below or at right of the current one
set splitbelow
set splitright
" if multiple windows
if bufwinnr(1)
        " vertically increase/decrease window size with alt+up/alt+down
        map <M-Up> <C-W>+
        map <M-Down> <C-W>-
        imap <M-Up> <ESC><M-Up>a
        imap <M-Down> <ESC><M-Down>a
        " horizontally increase/decrease window size with alt+right/alt+left
        map <M-Right> <C-W>>
        map <M-Left> <C-W><
        imap <M-Right> <ESC><M-Right>a
        imap <M-Left> <ESC><M-Left>a
        " switch to next/previous tab with ctrl+right/ctrl+left
        map <C-Right> gt
        map <C-Left> gT
        imap <C-Right> <ESC><C-Right>a
        imap <C-Left> <ESC><C-Left>a
        " switch to next/previous window with ctrl+down/ctrl+up
        map <C-Down> <C-W>w
        map <C-Up> <C-W>W
        imap <C-Down> <ESC><C-Down>a
        imap <C-Up> <ESC><C-Up>a
endif
" open automatically quickfix window
if has("autocmd")
	autocmd QuickFixCmdPost * cw
endif

" open a file in the same directory as the current file with F2 and split with shift+F2
map <F2> :tabe <C-R>=expand("%:h") . "/"<CR>
nmap <S-F2> :split <C-R>=expand("%:h") . "/"<CR>

""""""""
" HELP "
""""""""
" allow embedded man page
runtime! ftplugin/man.vim
" show vimrc with shift+F1
nmap <silent> <S-F1> :tabe ~/.vimrc<CR>gg
imap <S-F1> <Esc><S-F1>
" show contextual help with F1
function Help()
        try
        if exists('b:current_syntax') && b:current_syntax == "python"
                :call ShowPyDoc(expand("<cword>"), 1)
        else
                execute "Man " . expand("<cword>")
        endif
        catch /:E149:/
                execute "help " . expand("<cword>")
        endtry
endfunction
nmap <silent> <F1> :call Help()<CR>
imap <F1> <Esc><F1>
" show VIM help with alt+shift+F1
nmap <silent> <M-S-F1> :help <C-R>=expand("<cword>")<CR><CR>
imap <M-S-F1> <Esc><M-S-F1>

"""""""""
" TOOLS "
"""""""""
" show current changes with F10
command! DiffOrig
        \ vert new | set bt=nofile | r # | 0d_ | diffthis | wincmd p | diffthis
        \ | wincmd p | diffthis
map <M-F10> :DiffOrig<CR>

imap <M-F10> <ESC><M-F10>a
" show git diff when committing
let g:git_diff_spawn_mode = 1
if has("autocmd")
	autocmd BufRead,BufNewFile COMMIT_EDITMSG setf git
endif

" zf#j creates a fold from the cursor down # lines.
"zf/string creates a fold from the cursor to string .
"zj moves the cursor to the next fold.
"zk moves the cursor to the previous fold.
"zo opens a fold at the cursor.
"zO opens all folds at the cursor.
"zm increases the foldlevel by one.
"zM closes all open folds.
"zr decreases the foldlevel by one.
"zR decreases the foldlevel to zero -- all folds will be open.
"zd deletes the fold at the cursor.
"zE deletes all folds.
"[z move to start of open fold.
"]z move to end of open fold.

" fold form this bracket
nmap <F10> zfa{<CR><CR>
" unfold or use End
nmap <S-F10> zo<CR><CR>
" Autosave folding
"au BufWinLeave * mkview
" Autoload folding
"au BufWinEnter * silent loadview


""""""""""""""""""""""""""""""""""""""""""""""""""
"Omni-completion par CTRL-X_CTRL-O
"""""""""""""""""""""""""""""""""""""""""""""""""""
filetype plugin on
set omnifunc=syntaxcomplete#Complete

" Enable omnicppcompletion
set nocp
filetype plugin on
let OmniCpp_ShowAccess = 0
let OmniCpp_LocalSearchDecl=1
let OmniCpp_MayCompleteDot = 1 " autocomplete after .
let OmniCpp_MayCompleteArrow = 1 " autocomplete after ->
let OmniCpp_MayCompleteScope = 1 " autocomplete after ::
set path=.,..,/usr/local/include,/usr/include

"""""""""""""
" Latex		"
"""""""""""""
" package vim-latexsuite
" Insert the following line in your ~/.vim/ftplugin/tex.vim file:
" imap <buffer> <leader>it <Plug>Tex_InsertItemOnThisLine
" compile with \ll
set grepprg=grep\ -nH\ $*
let g:tex_flavor = "pdflatex"
imap <buffer> <leader>it <Plug>Tex_InsertItemOnThisLine
let g:Tex_DefaultTargetFormat="pdf"

if has('gui_running')
        colorscheme darkblue
else
        colorscheme mycolor
endif
cnoremap sudow w !sudo tee % >/dev/null

"""""""""""
" NerdTree
"""""""""""
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTreeType") && b:NERDTreeType == "primary") | q | endif
map <F9>   :NERDTreeToggle<CR>

"""""""""""
" GitGutter
"""""""""""
map <M-F9> :GitGutterSignsToggle <CR>
map <S-F9> :GitGutterLineHighlightsToggle <CR>

""""""""""
" KernelFormatting
""""""""""

nnoremap <silent> <leader>k :SetLinuxFormatting<cr><cr>

""""""""""
" LocalConfig
""""""""""

if filereadable(expand('~/.vimrc.local'))
  " Plugins list and settings should be loaded
  " only once. Load local_settings block
  let g:local_plugins = 0
  let g:local_settings = 1
  source ~/.vimrc.local
endif

""""""""""
" W3m
""""""""""
let g:w3m#external_browser = 'firefox'

""""""""""
" Debug
""""""""""

"Or start vim with -V[VERBOSENUMBER][FILE]
function! ToggleVerbose()
    if !&verbose
        set verbosefile=~/.log/vim/verbose.log
        set verbose=15
    else
        set verbose=0
        set verbosefile=
    endif
endfunction

"""""""""
" Plugin"
"""""""""
"Using vundle
"cf. https://github.com/gmarik/Vundle.vim
":PluginInstall to install them
set rtp+=~/.vim/bundle/Vundle.vim/
call vundle#begin()

" let Vundle manage Vundle, required
Plugin 'gmarik/Vundle.vim'

" Show current modified line
Plugin 'airblade/vim-gitgutter'
" Communication with git
Plugin 'tpope/vim-fugitive'
" Support for Gbrowse
Plugin 'tpope/vim-rhubarb'
" Comment block of code
Plugin 'tpope/vim-commentary'
" Make terminal vim and tmux work better together.
Plugin 'tmux-plugins/vim-tmux-focus-events'
" language pack
Plugin 'sheerun/vim-polyglot'
" color even for terminal without gui... 
" Plugin 'vim-scripts/CSApprox'
" Same as gitgutter but for other cvs
"Plugin mhinz/vim-signify

" echofunc -> what is the current function
Plugin 'mbbill/echofunc'

" What to test some color ?
Plugin 'vim-scripts/Colour-Sampler-Pack.git'

"More VCS Management
Plugin 'vim-scripts/vcscommand.vim'

" More Snippets :
Plugin 'tomtom/tlib_vim'
Plugin 'MarcWeber/vim-addon-mw-utils'
Plugin 'honza/vim-snippets'
Plugin 'garbas/vim-snipmate'

" Filesystem exploration
Plugin 'scrooloose/nerdtree'

" Python completion
"Plugin 'klen/python-mode'
"" Python Bundle
"Plugin  'davidhalter/jedi-vim'
"Plugin  'scrooloose/syntastic'
"Plugin  'majutsushi/tagbar'
"Plugin  'Yggdroot/indentLine'
"" Python Code Checking
"Plugin 'kevinw/pyflakes-vim'

" Omni completion for cpp
Plugin 'vim-scripts/OmniCppComplete'

" List current file function
" let $GIT_SSL_NO_VERIFY = 'true'
Plugin 'gitlab@gitlab.mathux.org:Mathieu/taglist.git'

"Syntax checking
Plugin 'scrooloose/syntastic.git'
"Completion (need more configuration for python, c# ...)
"Plugin 'Valloric/YouCompleteMe'
" VimWiki
Plugin 'vimwiki/vimwiki'
let g:vimwiki_list=[{'path':'~/.vim/vimwiki'}]

" Align
" eg. to align on the "=" do :'<,'>Align =
Plugin 'vim-scripts/Align'

" open file at the given line with the file.txt:20 syntax
" But it's screw up the git commit message
"Plugin 'bogado/file-line'

" % match if/then/else/html ...
Plugin 'tmhedberg/matchit'

" Kernel Formatting
Plugin 'gregkh/kernel-coding-style.git'

" Web browsing
Plugin 'yuratomo/w3m.vim'
call vundle#end()