Setting up for the context menu on the FilteWidget itself. Now have to figure out how to 'copy' a filter to the ClipBoard or somewhere else. Maybe yet another singleton class to hold the filter copy?
Editing the string text will turn the text red until the user hits the 'enter' key or clicks the 'apply' button
Adding a better search field that allows the user to search for filters by human name, class name, filter parameter human name and filter parameter property name. The pop-up menu allows the user to widen the search or narrow the search using simple checkboxes.