Jason Johnston wrote:
Brian Maddy wrote:
Hello,
I am making a form that uses ajax like in the car selector sample. I
would like to make another <div> on the page have the fade out visual
effect when the form widgets are updated.
I am able to add events to the onchange attribute (I have to add the
forms_submitForm() function also though), but the javascript is
executed before the ajax stuff updates the browser's DOM.
Known issue: https://issues.apache.org/jira/browse/COCOON-1718
<ft:widget id="address_city">
<fi:styling onchange="forms_submitForm(this); alert('asdf');"/>
</ft:widget>
Does anyone here know how to trigger an event after the ajax update
happens?
You could potentially figure out what JS function gets called within
the ajax library post-update and override it to execute some of your
own code in addition to its normal behavior. Unfortunately this ties
you to that specific ajax implementation, and I believe there are
plans in the works to replace it for some release in the
not-so-distant future.
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Well, I went back and looked at this again and was able to figure it
out. So here it is in case anyone else is trying to do the same thing:
<html>
...
<body>
...
<script type="text/javascript">
<![CDATA[
// append some commands to be executed after the form is
updated
var oldProcessResponse =
cocoon.ajax.BrowserUpdater.prototype.processResponse;
cocoon.ajax.BrowserUpdater.prototype.processResponse =
function(doc, request){
oldProcessResponse.apply(this, [doc, request]);
alert('asdf');
}
]]>
</script>
...
</body>
</html>
As Jason mentioned though, there is a warning near the cocoon.ajax.Fader
function in resources/ajax/js/cocoon-ajax.js:
//-------------------------------------------------------------------------------------------------
// Fader used to highlight page areas that have been updated
// WARNING: don't rely too much on these effects, as they're very likely to be
replaced
// by some third party library in the near future
//-------------------------------------------------------------------------------------------------
So be weary of this if you are wanting to change the fading effects.
Brian
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