I think what you need is prototype's global ajax responser register.
Ajax.Responders.register(
{
onCreate: function() {
// ajax request is sent
}
},
onComplete: function() {
// ajax response is back.
}
})
DH
----- Original Message -----
From: "Daniel Jones"
To: <users@tapestry.apache.org>
Sent: Sunday, June 28, 2009 8:34 PM
Subject: AJAX Loading Spinner
>
> Hi Guys,
>
> Looking for a bit of help. I have an action link which adds an item to the
> users shopping basket, it then updates a summary zone which is basically an
> overview of what they have added to their basket. Like so:
>
> <t:actionlink t:id="addToOrder" t:zone="summary" t:context="item.id">Add to
> Order</t:actionlink>
>
> What I want to do is display a loading spinner when the 'Add to Order' link
> is clicked. So my idea was to have a div containing the spinner which would
> be hidden initially. I can then use the onclick event to show this div when
> the user clicks the 'Add to Order' link. So something like this:
>
> <t:actionlink onclick="showLoadingIndicator();" t:id="addToOrder"
> t:zone="summary" t:context="item.id">Add to Order</t:actionlink>
>
> Which would just display the loading indicator forever. I want the div
> containing the spinner to be hidden again when the AJAX request returns.
> How do I monitor the request and trigger the hiding of the spinner when the
> AJAX request returns and the summary zone has been updated?
>
> JavaScript has never been my strong point, it's on the to-do list of things
> to learn, but right now i'm looking for a quick answer.
>
> Any help will be very much appreciated.
>
> Regards,
> Daniel
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>
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