Portlets with the Information Panel should display relevant information based on the entries that are selected at any moment.
If no entries are selected, it should display relevant information based on the current container (folder, category, etc)
If there's just one entry selected it should display the relevant information for that entry. That information might be different depending of the type of entry selected (folder, document, shortcut, wiki page, etc)
If there's more than just one entry selected, it should display the number of items selected and if there's any relevant information for all of them.