hi,
I managed to have it working with the following validation rule:
<validator type="required">
<param name="fieldName">outSamplePeriods</param>
<message>At least one Out of Sample Period must be provided</message>
</validator>
it displays the message under the <s:fielderror/> entry but does not
display a message on top of the right field name ... how can I have that?
TIA,
regards,
Giovanni
Giovanni Azua wrote:
hi,
I am trying to introduce a validation rule that checks that at least
one element has been
added to an optiontransferselect UI component. I use the expression
type validation but
does not seem to work ... see the details below.
<field name="outSamplePeriods">
<field-validator type="fieldexpression">
<param name="expression"><![CDATA[ (outSamplePeriods.length > 0)
]]></param>
<message><![CDATA[ At least one Out of Sample Period must be
provided ]]></message>
</field-validator>
</field>
TIA,
regards,
Giovanni
************************ page.jsp **************************
<%@ page contentType="text/html; charset=UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<%@ taglib prefix="sx" uri="/struts-dojo-tags" %>
<s:form action="[EMAIL PROTECTED]" method="get" theme="%{currentTheme}">
...
<s:optiontransferselect
tooltip="Select all Out-of-Sample Period Ranges corresponding
to this Trading Idea"
label="Out-of-Sample Periods"
leftTitle="All Periods"
rightTitle="Selected Periods"
name="allPeriodRanges"
list="defaultAllPeriodRanges"
doubleName="outSamplePeriods"
doubleList="defaultOutSamplePeriods"
size="1" multiple="false"
doubleSize="5" doubleMultiple="true"
allowAddAllToLeft="false"
allowAddAllToRight="false"
allowSelectAll="false"
allowUpDownOnLeft="false"
allowUpDownOnRight="false"
/>
...
<s:submit value="Create" align="center"/>
</s:form>
************************ TradingIdea-validation.xml
***************************
<!DOCTYPE validators PUBLIC "-//OpenSymphony Group//XWork Validator
1.0.2//EN" "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd";>
<!-- START VALIDATOR: TradingIdea -->
<validators>
<field name="name">
<field-validator type="requiredstring">
<message>Name must be provided</message>
</field-validator>
</field>
<field name="template">
<field-validator type="requiredstring">
<message>Template value must be provided</message>
</field-validator>
</field>
<field name="grouping">
<field-validator type="requiredstring">
<message>Grouping criteria must be provided e.g.
DAILY</message>
</field-validator>
</field>
<field name="inSamplePeriod">
<field-validator type="requiredstring">
<message>In Sample Period must be provided</message>
</field-validator>
</field>
<field name="outSamplePeriods">
<field-validator type="fieldexpression">
<param name="expression"><![CDATA[ (outSamplePeriods.length
> 0) ]]></param>
<message><![CDATA[ At least one Out of Sample Period must
be provided ]]></message>
</field-validator>
</field> <field name="utilityFormulas">
<field-validator type="fieldexpression">
<param name="expression"><![CDATA[ (utilityFormulas.length
> 0) ]]></param>
<message><![CDATA[ At least one Utility Formula must be
provided ]]></message>
</field-validator>
</field> </validators>
<!-- END VALIDATOR: TradingIdea -->
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