Install Tagbar vim plugin
The vim plugin Tagbar provides a listing of classes, functions, etc when coding in vim.
Tagbar requires Vim 7.0 and Exuberant ctags 5.5. We install the later in Ubuntu 12.04 with the command
sudo apt-get install exuberant-ctags
Next, install tagbar with pathogen
cd ~/.vim/bundle git clone git://github.com/majutsushi/tagbar
Toggle the code browser between visible and hidden using
Testing with *.py and *.tex files indicate the basics are working.