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https://issues.apache.org/jira/browse/TAPESTRY-1132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jesse Kuhnert updated TAPESTRY-1132:
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Fix Version/s: (was: 4.1.2)
4.2
> EventListeners can not be wired up programatically ( needed to handle For
> loops)
> --------------------------------------------------------------------------------
>
> Key: TAPESTRY-1132
> URL: https://issues.apache.org/jira/browse/TAPESTRY-1132
> Project: Tapestry
> Issue Type: Improvement
> Reporter: Patrick Moore
> Fix For: 4.2
>
>
> What I am hoping to do is something like this:
> <span jwcid="@For" value="ognl:current">
> <a jwcid="foo"><span jwcid="@Insert" value="ognl:current"/></a>
> <span jwcid="@InvokeListener" listener="listener:makeLink"/>
> </span>
> and code like this:
> public void makeLink() {
> IEventListener listener = getFoo().getEventListener("onclick");
> listener.setEventHandler("bar");
> listener.setParameters(new Object[]{ getCurrent().getEntityId()});
> }
> // called when user clicks on one of the generated links in @For
> public void bar(Long entityId) {
> System.out.println("link for "+ entityId +"was clicked!");
> }
> Hope that helps...
> CD suggested this:
> I found a nice solution using dojo's ability to listen to an arbitrary
> javascript function as if it were a native event.
> I attach an empty js function to an arbitrary DOM element like this:
> document.getElementById('someDiv').clickRadio=function(radio) {};
> and an onclick attribute to my radio buttons:
> <span jwcid="@Radio" value="ognl:lv.value" onclick="document.getElementById
> ('someDiv').clickRadio(this);"/>
> Then I can set an EventListener on the server-side
> @EventListener(targets = "someDiv", events = "clickRadio", submitForm =
> "form")
> public void listenToOnclickOnAnyRadioButtonInTheForLoop(IRequestCycle
> cycle) throws InterruptedException {
> ...
> }
> Works fine.
> Ch.
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