Ok.... struggling to describe this one.
I''m using the ''auto_complete_field'' helper to
implement
auto-completion in one of my views. It all worked a treat except for
one thing. When arrowing up through the list of available options the
entire content of the browser window scrolled up to bring the focused
list item to the top of the window. Stepping through the
scriptaculous code in Firebug, I found that the markPrevious and
markNext functions (controls.js [1]) differed in their call to
scrollIntoView, i.e.
markPrevious (line 212)
this.getEntry(this.index).scrollIntoView(true);
markNext (line 218)
this.getEntry(this.index).scrollIntoView(false);
Now, I''ve "fixed" the problem by changing markPrevious to
pass false
to scrollIntoView. I guess I''m curious as to why I''ve had to
do this.
Is the behaviour I was experiencing to be expected? And am I
potentially breaking something else by changing this?
Some background to help you pitch your answers: I''ve been working with
Rails/Ruby for about 10 months or so, but I''m a total JavaScript n00b!
[1] http://dev.rubyonrails.org/browser/spinoffs/scriptaculous/src/controls.js
cheers,
Ben
--
http://teamaskins.net
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