This isn't really Struts specific, but I'm trying to wrap some of the
Struts HTML tags with tag files (in order to compose them into more
complex 'controls') and I'm running into a slight problem... Some
attributes are mutually exclusive (e.g. 'alt' vs. 'altKey'). I can't see
a way to pass attributes through from the tag file to the Struts tag
that works with this constraint. For example, if I write a tag file like
this:
<[EMAIL PROTECTED] name="property" required="true" rtexprvalue="true"%>
<[EMAIL PROTECTED] name="alt" required="false" rtexprvalue="true"%>
<[EMAIL PROTECTED] name="altKey" required="false" rtexprvalue="true"%>
...
<html:text property="${property}" alt="${alt} altKey="${altKey}" .../>
then, regardless of whether I set alt and/or altKey in the call to the
tag file, the html:text tag complains that I can't specify both
attributes. I've tried passing in the values using "${empty alt ? null :
alt}" but get the same result.
Does anyone know a way to work around this (i.e. a 'correct' way to
pass-through attributes from tag files to custom tags)?
Failing that, how big a deal would it be to change the Struts tags to
treat the empty string equivalently to 'null' when performing these
checks? [I'll happy put together a patch to do that]
L.
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