Hello,
I am making Google like suggest and i need help with prototype ajax
API.
I have text field, where is onkeyup event, which making request that
fetch data I need. If someone write fast and type for example word
"prototype", js function make several Ajax requests for every single
char.
How to make prototype to use only one request and if i make new
request, old will be "deleted/canceled", so It will stop fetch old
data, but new one from field?
Uff i hope you will understand :D
Thx
Code example:
new Ajax.Request(url, {
onComplete: function(suggest_request) {
// inserting data into div etc. etc..
});
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I built a suggestion list, but I simply call the search function on a timer instead of a keystroke. Start the function when the textbox gets focus and kill the timer when someone clicks a suggestion or moves off the control. This way you are not tied to keystrokes. On Dec 17, 12:06 pm, reflex <reflexa...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:> Hello, > > I am making Google like suggest and i need help with prototype ajax > API. > > I have text field, where is onkeyup event, which making request that > fetch data I need. If someone write fast and type for example word > "prototype", js function make several Ajax requests for every single > char. > > How to make prototype to use only one request and if i make new > request, old will be "deleted/canceled", so It will stop fetch old > data, but new one from field? > > Uff i hope you will understand :D > > Thx > > Code example: > > new Ajax.Request(url, { > onComplete: function(suggest_request) { > // inserting data into div etc. etc.. > > });--~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Spinoffs" group. To post to this group, send email to rubyonrails-spinoffs-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-spinoffs-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-spinoffs?hl=en -~----------~----~----~----~------~----~------~--~---
You could try using the Scriptaculous Form.Element.DelayedObserver
which will wait a specified time before calling any Ajax Requests. If
you really wanted to play it safe, you could also add an if
(Ajax.activeRequestCount == 0) before the Ajax.Request to ensure you
don''t call multiple requests at the same time.
new Form.Element.DelayedObserver (''search_field'', 0.2,
function()
{
if(Ajax.activeRequestCount == 0) {
new Ajax.Request(.....);
};
});
I''ve kinda been doing it that way, but if there are better ways
I''d
love to see some examples :)
On Dec 18, 4:06 am, reflex
<reflexa...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:>
> I have text field, where is onkeyup event, which making request that
> fetch data I need. If someone write fast and type for example word
> "prototype", js function make several Ajax requests for every
single
> char.
>
> How to make prototype to use only one request and if i make new
> request, old will be "deleted/canceled", so It will stop fetch
old
> data, but new one from field?
>
> Thx
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