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How to diable a item in select option?

Greenhorn

Posts: 19

posted 14 years ago

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<jsp:root version="2.0" xmlns:jsp="http://java.sun.com/JSP/Page"
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:e="http://rcx.el.func/SeamFunc"
xmlns:s="http://jboss.com/products/seam/taglib"
xmlns:a="http://richfaces.org/a4j"
xmlns:c="http://java.sun.com/jstl/core"
xmlns:rcx="http://rcx.facelets/components">

<td><s:decorate>
<h:selectOneMenu id="readyToIssue"
value="#{suba na.requiredInd}">
<f:selectItem itemValue="Y" itemLabel="Yes" />
<f:selectItem itemValue="N" itemLabel="No" />
<f:selectItem itemValue="P" itemLabel="Processed" />
</h:selectOneMenu>
</s:decorate></td>
</tr>

There are three status of a field in database. If the database table has "P" state yes and no should be disabled and if "the status is "yes or no" "P" should be disabled.
we are using

Ganesh Podaralla

Greenhorn

Posts: 23

posted 14 years ago

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You can write a method in the backing bean as below

public boolean isItemProcessed()
{
if("Processed".equals(data))
return true;
else
return false;
}

Then in the page,

<f:selectItem itemValue="Y" itemLabel="Yes" itemDisabled="#{!bean.isItemProcessed}"/>
<f:selectItem itemValue="N" itemLabel="No" itemDisabled="#{!bean.isItemProcessed}"/>
<f:selectItem itemValue="P" itemLabel="Processed" itemDisabled="#{bean.isItemProcessed}"/>

If you do not want to write a separate method, you can directly compare the data with itemDisabled="#{bean.data == "P"}" and itemDisabled="#{bean.data != "P"}

Tim Holloway

Saloon Keeper

Posts: 28661

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posted 14 years ago

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Somebody asked this question about 2-3 months ago. Search this forum and you'll find a detailed discussion about it.

Also, you can make your code and XML more readable if you use the "Code" button on our message editor.

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tej ku

Greenhorn

Posts: 19

posted 14 years ago

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Hi Ganesh Podaralla,
Thanks for the reply, It is solved.......
Regards,
Ravi

Consider Paul's rocket mass heater.