Did u know about this(jbuilder)

Question

as we seen in jbuilder if u put dot(.) with object handel
then a seprate JList type component which contains
methods and fields information
in above scenario i need to find out when u press key
a character print on text editor as well as
our focus is on JList componet and keyPressed event
also firing on JList at both time
suggest ur views

Answer 1

it is very simple how jbuilder did it
i think it is simple to add a key listener on the editor after it is added to the editor check when a key is pressed if it is a "." then check if there is some identifier behind the "." if it is so then show all the methods available for that identifier. now when the list is visible again the key listener works if we press some character key like alphabets or numerics then this letter is appended in the editor. also after appending it seeks for the next matching item in the list and hilight it .other vise if it some controll key like arrow key is presed then the next item in the list is hilighted and focus again goes to editor so that it can sence new key. now if user press the enter key the hilighted item in the list is append to the editor. so this is the way i think it happens. further more Borland or Inspire corporation knows it better which made the JBuilder.