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https://issues.apache.org/jira/browse/MYFACES-2599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12845280#action_12845280
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Werner Punz commented on MYFACES-2599:
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Ok I have comitted everything that a detachment case is doable under certain
conditions. Have in mind I am bending the spec here a little bit.
First of all, if the element is replaced with an element with the same
identifier within a form, we are set and can pass through.
This would even pass through with the old code.
Second if the element is passed as domNode but the replacement has happend by a
named element of the same name as the original identifier and no other equally
named element under a form exists, we have case 1 here again, we do not have to
do anything.
Now to the difficult cases, if the element is detached a and replaced by an
element with a different identifier and same name and to the worse only the
identifier string is passed down to jsf.ajax.request, which is probably the
most common usecase:
This passes if only one element under a form with the same name , otherwise I
cannot determine the source of the ajax request anymore and I am absolutely
forced to throw an error (have in mind the id -> naming assumption is already a
bending of the spec which clearly says If the DOM element could not be
determined, throw an error, I assume having a matching name and only one within
the bounds of a form
is valid within the spec.
> ajax javascript checks for existence of triggering html element
> ---------------------------------------------------------------
>
> Key: MYFACES-2599
> URL: https://issues.apache.org/jira/browse/MYFACES-2599
> Project: MyFaces Core
> Issue Type: Bug
> Components: JSR-314
> Affects Versions: 2.0.0-beta-2
> Environment: Javascript
> Reporter: Ganesh Jung
>
> This one is a bit special. I remove the triggering element from the DOM,
> afterwards I trigger it's onchange method. Works with Mojarra, but MyFaces
> insists, that the triggering element must exist in the DOM, though this isn't
> necessary from the spec.
> <h:form id="testForm">
> <h:inputText id="test" value="#{myBean.test}" >
> <f:ajax render="test2"/>
> </h:inputText>
> <h:inputText id="test2" value="#{myBean.test}" />
> <script type="text/javascript">
> //<![CDATA[
> var myTest = document.getElementById("testForm:test");
> var test_onchange = myTest.onchange;
> myTest.parentNode.removeChild(myTest);
> test_onchange();
> //]]>
> </script>
> </h:form>
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