Broker window 'need' option

[MacDaddy62]

I'd like to see a broker window that includes all the features of, for example, the Profit one, but also an option to restrict searches for spells, collectibles, and recipe books to only those that the player needs. If this option were enabled, a search for spells would return only those spells which the character doing the search can use (based on class and level) and of which the character doesn't already have an equal or better version scribed. A search for collectibles with this option enabled would return only those collectibles that the character doing the search hasn't already added to every applicable collection. Likewise, a search for recipes with this option enabled would return only those recipe books which the character doing the search can use (based on tradeskill class and level) and which the character hasn't already scribed.

Is it possible to implement such an option under current UI coding mechanics?