Subject: Display Tag? (2.0.11) 2007-11-01 - By Jake Robb
Back
I've used DisplayTag with S1 before, with excellent results. I'm also
using it in S2 in a few cases, and it's working fine.
However, now I want to use it to render a form. Each row in the table
will contain a couple of input tags, and the table as a whole represents
a single List on my action.
Without DisplayTag, I can accomplish that as follows:
<s:iterator value="rules" status="status" id="rule">
<div class="resultRow${status.odd ? ' highlight' : ''}">
<div class="name">
<s:property value="name" />
</div>
<div class="value">
<s:textfield name="%{'rules['+#status.index+'].value'}" label=""
size="90" />
</div>
</div>
</s:iterator>
I converted the code above as follows:
<display:table htmlId="rulesTable" list="rules" id="rule">
<display:column title="Rule Name">
<s:property value="name" />
</display:column>
<display:column title="Rule Name">
<s:textfield name="rules[rule_rowNum].value" label="" size="90" />
</display:column>
</display:table>
But that didn't work, because DisplayTag doesn't push rule_rowNum onto
the stack. So I added a push tag:
<display:table htmlId="rulesTable" list="rules" id="rule">
<s:push value="<%= rule_rowNum.toString() %>" id="rowNum"/>
<display:column title="Rule Name">
<s:property value="name" />
</display:column>
<display:column title="Rule Name">
<s:textfield name="rules[rowNum].value" size="90" />
</display:column>
</display:table>
Then I discovered that s:push doesn't accept runtime expressions, just
like everything else in 2.0.11.
So, how do I accomplish this? I guess I could keep it the old way, but
I'd really rather be consistent.
-Jake
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