I have some code that will do the highlight, fade effect on a block of
text. It seems to work just fine until it is fired multiple times very
rapidly.
The end color matches a grey background and the start color is a yellow.
Say its run 4 times a second for 3-5 seconds. When the flashing catches
up the text will fade for the last time to the end color, then the
background will switch to a light yellow background, much fainter then
the start color. If you do the rapid fires again, after it catches up
it will fade the last time then switch to a faint shade of yellow, but
this time it will be darker yellow then the last time.
If you do the multiple fire thing a few more times, each time you stop
it will get a bit darker still.
This was happening in both Firefox and IE.
Does anyone have any experience with this?
Here is the code in my controller:
render :update do |page|
page.visual_effect :highlight,
@card.to_s,
:duration => 0.5,
:startcolor =>
"''#ffff00''",
:endcolor =>
"''#f1eded''"
end
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This is similar to a problem I had a few weeks ago. It has to do with the way scriptaculous does a highlight: 1) store initial state 2) do highlight 3) restore initial state by setting the element''s style attribute I bet it''s storing is a semi-highlighted state, which would be pale yellow. And (as I found out) step #3 plays hell on your CSS classes. That said, I don''t know how to solve your problem, because I''ve never done multiple highlights. You might look into scriptaculous'' Effects Queues. Cheers Starr --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk -~----------~----~----~----~------~----~------~--~---
Just wondering if you (or anyone) ever found a workaround to this problem. Seems very much like a bug to me that you can''t highlight multiple items too quickly without leaving all sorts of aesthetic artifacts behind. Right now I have a calendar view and I''m trying to get it to highlight when you mouseover any day. This works if you move s l o w l y accross the page, but if you start to move more quickly the highlight either gets stuck with the highlighted color, or some color in between. - Thanks Mic wrote:> I have some code that will do the highlight, fade effect on a block of > text. It seems to work just fine until it is fired multiple times very > rapidly. > > The end color matches a grey background and the start color is a yellow. > > Say its run 4 times a second for 3-5 seconds. When the flashing catches > up the text will fade for the last time to the end color, then the > background will switch to a light yellow background, much fainter then > the start color. If you do the rapid fires again, after it catches up > it will fade the last time then switch to a faint shade of yellow, but > this time it will be darker yellow then the last time. > > If you do the multiple fire thing a few more times, each time you stop > it will get a bit darker still. > > This was happening in both Firefox and IE. > > Does anyone have any experience with this? > > Here is the code in my controller: > > > render :update do |page| > page.visual_effect :highlight, > @card.to_s, > :duration => 0.5, > :startcolor => "''#ffff00''", > :endcolor => "''#f1eded''" > end-- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---