Causes the browser to navigate to the next page in the current textbook, or the
next page in the web browsing history, depending on the current mode of the book
This class is a simple adapter class that provides empty implementations of
all the methods in the NotationEventListener interface, in order to simply
implementation of classes that wish to implement that interface
This class exists so that the process of loading notations
can take place in a separate thread, allowing the event
dispatch thread to continue to update the screen GUI
This class is used in place of the TableCellRenderer typically used by JTable
facilitating the display of arrows in the column header to indicate sorting order(s).