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https://issues.apache.org/jira/browse/TAPESTRY-2070?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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kanthimathinathan updated TAPESTRY-2070:
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Fix Version/s: 4.1.4
> EventListener on checkbox components within a @For loop - Issues
> ----------------------------------------------------------------
>
> Key: TAPESTRY-2070
> URL: https://issues.apache.org/jira/browse/TAPESTRY-2070
> Project: Tapestry
> Issue Type: Bug
> Components: Annotations
> Affects Versions: 4.1.3
> Environment: OS : Windows XP. Softwares : Eclipse SDK 3.1.0,
> MyEclipse 4.0.0, JDK 1.5, JBoss application server. HardWare : 80GB HDD, 2GB
> RAM
> Reporter: kanthimathinathan
> Priority: Critical
> Fix For: 4.1.4
>
>
> I want to enable / disable a button on clicking a checkbox in the screen. i
> am trying the below code Snippet
> HTML template code snippet
> <tr jwcid="@For" source="ognl:lists" index="ognl:listIndex"
> value="ognl:listData">
> <td align="left">
> <form jwcid="@Form" style="margin:0px;padding:0px;">
>
> <span jwcid="[EMAIL PROTECTED]" id="ognl:listIndex"
> value="ognl:checkedList[listIndex]" />
> </form>
> </td>
> </tr>
> Java code snippet
> @EventListener(events = "onclick", targets = {"checkbox"})
> public void updateComponents(IRequestCycle cycle, BrowserEvent event)
> {
>
> cycle.getResponseBuilder().updateComponent("button1");
> }
> Issue 1: Eventlistener is not called for last checkbox and so button is not
> enabled / disabled as expected.
> Issue 2: on clicking 2nd or subsequent checkboxes in the UI screen, Button is
> enabled/disabled as expected. However AJAX requests sent is equivalent to the
> no of checkboxes(or rows) in the screen, which cause performance issues.
> Note : On clicking 1st checkbox, buttons are enabled/disabled as expected
> with just 1 Ajax request.
> please help me to resolve these issues.
> Thanks,
> Kanthi.
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