[ http://issues.apache.org/jira/browse/TAPESTRY-1066?page=all ]
Jesse Kuhnert reassigned TAPESTRY-1066:
---------------------------------------
Assignee: Jesse Kuhnert
> Duplicate listeners added for events in browser every time @EventListener is
> fired.
> -----------------------------------------------------------------------------------
>
> Key: TAPESTRY-1066
> URL: http://issues.apache.org/jira/browse/TAPESTRY-1066
> Project: Tapestry
> Issue Type: Bug
> Components: Framework
> Affects Versions: 4.1.1
> Environment: JBoss 4.0.4.GA, Firefox 1.5.0.6, Windows XP
> Reporter: Ben Sommerville
> Assigned To: Jesse Kuhnert
>
> The response from an @EventListener method seems to reregister for that event
> on the browser. The effect of this is the first time you trigger the event
> one ajax call is made, the second time two calls are made, the third time
> eight calls are made, etc.
> The testcase I submitted for [TAPESTRY-1054] shows this. Every time I change
> the first select, the number of ajax calls doubles.
> Each response includes something like
> <response id="initializationscript" type="script"><script>
> //<![CDATA[
> tapestry.form.clearProfiles('loginRole');
> tapestry.form.registerProfile('loginRole',{});
> dojo.event.connect(dojo.byId("role"), "onchange", function(e){
> var content={beventname:"onchange"};
> tapestry.event.buildEventProperties(e, content);
> if (!content["beventtarget.id"])
> content["beventtarget.id"]="role";
>
> var
> validateState=tapestry.form.forms["loginRole"].validateForm;
> var validateForm=false;
> tapestry.form.setFormValidating("loginRole", validateForm);
> tapestry.form.submitAsync("loginRole", content);
>
> tapestry.form.setFormValidating("loginRole",
> validateState);
>
> });
> //]]>
> </script></response>
> I assume the "dojo.event.connect" call is the culprit, but I haven't had a
> chance to dig into the code to work out why or where it is being added to the
> response.
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