Modal Panel preventFocus JS function slow
-----------------------------------------
Key: RF-3670
URL: http://jira.jboss.com/jira/browse/RF-3670
Project: RichFaces
Issue Type: Bug
Affects Versions: 3.1.5
Environment: Windows XP, Sun RI 1.2
Reporter: Tom Tamulewicz
I have a page with a 500 row table. Each row has a "delete" link that brings
up a modal panel. The modal panel takes 4-5 seconds (with CPU spiked) to
appear under MSIE 6 or 7. The time it takes to show up is proportional to how
many rows in the table. If I have a small number, the modal panel shows
quickly. The problem appears to be due to slowness in the modalPanel.js
preventFocus() function, which is called from the show() function.
My test page wasn't very complicated, with a bean providing a list of 500
objects.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
<html xmlns:ui="http://java.sun.com/jsf/facelets";
xmlns:h="http://java.sun.com/jsf/html";
xmlns:f="http://java.sun.com/jsf/core";
xmlns:rich="http://richfaces.org/rich";
xmlns:a4j="http://richfaces.org/a4j";
<body>
<!-- The text above will not be rendered. -->
<ui:composition>
<h:form id="testForm">
<rich:modalPanel id="confirmModal" height="200" width="425"
zindex="2000" resizeable="false">
<table width="100%">
<tr>
<td align="center" colspan="3">
<h:commandButton id="yes" value="yes"/>
</td>
<td align="center" colspan="3">
<h:commandButton id="no" value="no"/>
</td>
</tr>
</table>
</rich:modalPanel>
<rich:dataTable id="testTable" value="#{testList.dataList}" var="element">
<rich:column>
<h:outputText value='#{element.index}' />
</rich:column>
<rich:column>
<h:outputText value='#{element.name}' />
</rich:column>
<rich:column id="deleteObjectColumn" width="10%" sortable="false">
<a4j:commandLink value="delete" id="commandDialogLink"
onclick="Richfaces.showModalPanel('confirmModal',{width:425,
top:200});"/>
</rich:column>
</rich:dataTable>
</h:form>
</ui:composition>
<!-- The text below will not be rendered. -->
</body>
</html>
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