I'm no validator expert, but here's my take on it. Static JavaScript is produced
from the <javascript> subelements of the <validator> elements in the validator
config files. For example, the standard validateRequired function contained in
the validator-rules.xml file that ships with Struts. Best practice seems to be
to keep the static JavaScript in a single file instead of having it generated
into each JSP where you want to perform validation. This can be accomplished by
setting up a staticJavascript.jsp file like:
<%@ page contentType="javascript/x-javascript" %>
<%@ taglib prefix="html"
uri="http://jakarta.apache.org/struts/tags-html"; %>
<html:javascript dynamicJavascript="false"/>
Dynamic JavaScript is produced from the <form> subelements of the <formset>
elements in the validator config files. So, in the JSP where you want to perform
validation, you'd do something like:
<script type="text/javascript"
src="<c:url value="/staticJavascript.jsp"/>">
</script>
<html:javascript formName="theForm" staticJavascript="false"/>
<html:form action="/action/path"
onsubmit"return validateTheForm(this);">
...
</html:form>
If you're using DynaValidatorActionForm (where the validator key is the action
path not the form name), I think you'll want to make sure to use the "method"
attribute of the <html:javascript> tag. Otherwise you end up with dynamic
JavaScript like:
function validate/action/path(form) {
...
So you'd want something like:
<script type="text/javascript"
src="<c:url value="/staticJavascript.jsp"/>">
</script>
<html:javascript formName="/action/path"
method="validateTheForm"
staticJavascript="false"/>
<html:form action="/action/path"
onsubmit"return validateTheForm(this);">
...
</html:form>
Quoting Ben Anderson <[EMAIL PROTECTED]>:
> Hi,
> Can someone expalin the <html:javascript> tag a little bit or point me
> somewhere. I'm trying to understand what the dynamic and static attributes
>
> do. I've read over the html tags page at the struts home page, but it
> doesn't explain much.
>
> I've tried with every combination of static and dynamic = true or false.
>
> There is javascript being generated (like validateInteger), but not a
> validateXXXForm function.
>
> I've noticed in my app's logger that the static is generated, but after the
>
> page has already decided it can't find it. Also, is it possible that I'm
> going to run into problems writing the .js and then finding it because our
> actions are mapped /do/xxx/yyy/zzz? It doesn't seem to be looking in the
> right place.
>
> I've been searching all over the web and through the mail-archive for
> answers, but haven't found anything definitive.
>
> Thanks in advance,
> Ben Anderson
>
> /************************************************************************
> Hi,
>
> I have the following in my struts-config.xml
>
> <action path="/admin/createContentType"
> type="com.xdeep.pacific.servlet.admin.forms.ContentTypesAction"
> name="BillingParametersForm" scope="request"
> input="contentTypes.jsp">
> <forward name="failure"
> path="/admin/contentTypes.jsp?action=create"/>
> <forward name="success" path="/admin/updateBillingParameters.jsp"/>
> </action>
>
> and in my validation.xml
>
> <form-validation>
> <formset>
> <form name="BillingParametersForm">
> <field property="contentType" depends="required">
> <arg0 key="admin.prompt.contentType"/>
> </field>
> </form>
> </formset>
> </form-validation>
>
> and my jsp has the following form
>
> <html:form action="/admin/createContentType" focus="contentType"
> onsubmit="validateBillingParametersForm(this);">
>
> <html:text property="contentType"/>
> <html:submit property="action" value="Create"/>
> <html:reset value="Reset"/>
>
> </html:form>
>
> <html:javascript formName="BillingParametersForm"
> dynamicJavascript="true" staticJavascript="false"/>
> <script language="Javascript1.1" src="staticJavascript.jsp"></script>
>
>
> My BillingParametersForm extends org.apache.struts.validator.ValidatorForm
> When the field is left blank an alert window does pop up as it should, but
> after I dismiss it I get forwarded onto the success page.
>
> Any suggestions on what I might be doing wrong.
>
> Thanks,
> Paul
>
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--
Kris Schneider <mailto:[EMAIL PROTECTED]>
D.O.Tech <http://www.dotech.com/>
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