> -----Original Message-----
> From: Davide Bruzzone [mailto:Davide.Bruzzone@;ngt.com]
> Sent: Monday, November 11, 2002 2:36 PM
> To: Struts Users Mailing List
> Subject: Why would disabled="..." not take a runtime expression? The
> docs say that it should...
>
>
> Greetings all...
>
> I'm trying to control whether or not some form fields are
> editable using a
> custom security tag. So, at the top of the page, I have
> something like this:
>
> <%-- Page security --%>
> <bean:define id="readOnly" type="java.lang.String" value="false"/>
>
> <ngt-security:hasNoPermission deny="deny">
> <bean:define id="readOnly" type="java.lang.String"
> value="true"/>
> </ngt-security:hasNoPermission>
>
> If the deny attribute is anything but null or an empty
> string, readOnly is
> set to "true". Then I try to do this:
>
> <html:select property="priority" styleClass="fullwidth" disabled="<%=
> readOnly %>">
> ...
> </html:select>
>
> What I get back is that the readOnly symbol cannot be
> resolved...
The problem is that you are passing a String to an attribute that requires a
boolean. The documentation could certainly be more clear (you could submit a
Bugzilla item if you like), but you will note that it states *true* and not
*"true"* as an appropriate value.
If you want 'readOnly' to be a String, you'll have to use something like
this for the value of the 'disabled' attribute:
<%= Boolean.valueof(readOnly).booleanValue() %>
--
Martin Cooper
> However,
> the following tests work:
>
> - <html:select property="priority" styleClass="fullwidth"
> disabled="true">
> - <%= readOnly %> (On its own... This prints out "true")
>
> This is just strange. According to the documentation,
> disabled should be
> able to take a runtime expression, and I use runtime
> expressions of the form
> <%= someVariable %> all over the palce elsewhere.
>
> Any insight would be greatly appreciated.
>
> Cheers...
>
> Davide Bruzzone
>
>
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