WHat you are looking for is
CraftStore it will show a
pink !!! when you can still research an item everywhere also when you are in the deconstruction window. Simply klick on your name in the menu then klick the 3 small checkboxes next to the char name in the overview
http://cdn-eso.mmoui.com/preview/pvw3993.png
This addon may help too:
http://www.esoui.com/downloads/info1...ionFilter.html