" Vundle
set nocompatible
filetype off
" Set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
" Download plug-ins to the ~/.vim/plugged/ directory
call vundle#begin('~/.vim/plugged')
" Let Vundle manage Vundle; muss immer der erste eintrag sein
Plugin 'VundleVim/Vundle.vim'
Plugin 'nestorsalceda/vim-strip-trailing-whitespaces'
" entferne trailing whitespaces
Plugin 'itchyny/lightline.vim'
" statusline
Plugin 'sheerun/vim-polyglot'
" languagepack
Plugin 'Xuyuanp/nerdtree-git-plugin'
" nerdtree plugin, markiere dateien mit git symbolen
Plugin 'jeetsukumaran/vim-buffergator'
" buffer wechseln
Plugin 'mhinz/vim-signify'
" change icons neben der zeilennummerierung
Plugin 'ctrlpvim/ctrlp.vim'
" fuzzy finder
Plugin 'lifepillar/vim-solarized8'
" farbschema
Plugin 'Yggdroot/indentLine'
" einrückungsmarkierungen
Plugin 'tpope/vim-fugitive'
" git integration G:
Plugin 'jiangmiao/auto-pairs'
" autovervollständigung symbole wie klammern
Plugin 'preservim/nerdtree'
" dateibrowser
Plugin 'unkiwii/vim-nerdtree-sync'
" springe in nerdtree zur geöffneten datei
Plugin 'jreybert/vimagit'
" git integration
call vundle#end()


" allgemeine Optionen
set showcmd         " Show (partial) command in status line.
set showbreak=+++
set textwidth=100
set autoindent
set virtualedit=onemore
set showmatch       " 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. The time to show the match can be set with
                    " 'matchtime'.set virtualedit=onemore
set encoding=UTF-8
set visualbell
set smartcase       " Override the 'ignorecase' option if the search pattern
                    " contains upper case characters.
set hlsearch        " When there is a previous search pattern, highlight all
                    " its matches.set smartcase
set gdefault  "global bei suche immer mit an"
set nowrap "verhindert zeilenumbrüche
set ignorecase      " Ignore case in search patterns.
set incsearch       " While typing a search command, show immediately where the
                    " so far typed pattern matches.set autoindent
set smartindent
set smarttab        " When on, a <Tab> in front of a line inserts blanks
                    " according to 'shiftwidth'. 'tabstop' is used in other
                    " places. A <BS> will delete a 'shiftwidth' worth of space
                    " at the start of the line.set softtabstop=4
set ruler
set undolevels=1000
set backspace=indent,eol,start
set number          " Show line numbers.
syntax on           " Enable syntax highlighting
set tabstop=4       " Number of spaces that a <Tab> in the file counts for.

set shiftwidth=4    " Number of spaces to use for each step of (auto)indent.
set expandtab       " Use the appropriate number of spaces to insert a <Tab>.
                    " Spaces are used in indents with the '>' and '<' commands
                    " and when 'autoindent' is on. To insert a real tab when
                    " 'expandtab' is on, use CTRL-V <Tab>.

set incsearch                     " Enable incremental search
set hlsearch                      " Enable highlight search
set termwinsize=12x0              " Set terminal size
set splitbelow                    " Always split below
set mouse=a                       " Enable mouse drag on window splits
set clipboard=unnamedplus         " https://unix.stackexchange.com/questions/12535/how-to-copy-text-from-vim-to-an-external-program

" Keybindings"
:let mapleader = ","


" auto-pairs
let g:AutoPairsShortcutToggle = '<C-P>'


" lightline/statusline
set laststatus=2
let g:lightline = {
      \ 'colorscheme': 'wombat',
      \ 'active': {
      \   'left': [ [ 'mode', 'paste' ],
      \             [ 'gitbranch', 'readonly', 'filename', 'modified' ] ]
      \ },
      \ 'component_function': {
      \   'gitbranch': 'FugitiveHead'
      \ },
      \ }


" NERDtree + nerdtree-sync
" https://github.com/preservim/nerdtree
let NERDTreeShowHidden = 1      " Show hidden files
let NERDTreeShowLineNumbers = 0 " Hide line numbers
let NERDTreeMinimalMenu = 1     " Use the minimal menu (m)
let NERDTreeWinSize = 31        " Set panel width to 31 columns
nmap <F2> :NERDTreeToggle<CR>   " ruft NERDtree mit F2 auf
" Start NERDTree when Vim is started without file arguments.
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * if argc() == 0 && !exists('s:std_in') | NERDTree | endif
let g:nerdtree_sync_cursorline = 1 " highlight the file in tree
" exit Vim if NERDTree is the only window left.
autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() |
    \ quit | endif


" buffergator
" https://joshldavis.com/2014/04/05/vim-tab-madness-buffers-vs-tabs/
" This allows buffers to be hidden if you've modified a buffer.
" " This is almost a must if you wish to use buffers in this way.
set hidden
" To open a new empty buffer
nmap  <C-t> :enew<cr>
" Move to the next buffer
nmap  <C-l> :bnext<CR>
" Move to the previous buffer
nmap  <C-h> :bprevious<CR>
" Close the current buffer and move to the previous one
" This replicates the idea of closing a tab
nmap  <C-q> :bp <BAR> bd #<CR>


" nerdtree-git-plugin
let g:NERDTreeGitStatusIndicatorMapCustom = {
                \ 'Modified'  :'*',
                \ 'Staged'    :'+',
                \ 'Untracked' :'',
                \ 'Renamed'   :'*',
                \ 'Unmerged'  :'',
                \ 'Deleted'   :'-',
                \ 'Dirty'     :'',
                \ 'Ignored'   :'',
                \ 'Clean'     :'',
                \ 'Unknown'   :'?',
                \ }


" indentLine
" fügt vertikale Striche bei Einrückungen ein
filetype plugin indent on


" aussehen
set background=dark   " dark or light
colorscheme solarized8 " Your favorite color scheme's name


" ripgrep und ctrlp
" sudo apt install ripgrep(rg)
if executable('rg')
      let g:ctrlp_user_command = 'rg %s --files --hidden --color=never --glob ""'
endif
let g:ctrlp_map = '<c-f>' "aufruf mit strg+f
" ignore files
" https://github.com/ctrlpvim/ctrlp.vim
set wildignore+=*/tmp/*,*.so,*.swp,*.zip     " MacOSX/Linux
set wildignore+=*\\tmp\\*,*.swp,*.zip,*.exe  " Windows
let g:ctrlp_custom_ignore = '\v[\/]\.(git|hg|svn)$'

"https://jeffkreeftmeijer.com/vim-number/
set number relativenumber
augroup numbertoggle
  autocmd!
  autocmd BufEnter,FocusGained,InsertLeave * set relativenumber
  autocmd BufLeave,FocusLost,InsertEnter   * set norelativenumber
augroup END


" vimagit
" https://github.com/jreybert/vimagit#mappings
nmap  <Leader>m :Magit<cr>


" toggle linenumbers
nmap <Leader>c :set norelativenumber!<CR>:set nonu!<CR>