While I am enjoying a conversation with myself, input from anyone using
T5 and radio buttons (surely someone else) would be awesome. So I poked
around a bit more in the RadioGroup source and see that, for some reason
that evades me, RadioGroup creates an anonyous/ad-hoc implementation of
RadioContainer on the fly, and shoves it into the environment. So, it
*should* work, and in fact it does if I don't use any label components
within the form. However the moment I add a <t:label/> I get the
exception about no RadioContainer! Using a raw <label></label> works
fine, but what in the world is going on here? I can only guess this is a
bug, but input would much appreciated.
Another annoyance is the component reference. The RadioGroup lists the
encoder parameter as required (and its marked as required in the
source), but if I don't provide it it works anyway, so apparently a
default implementation is being added somewhere. This would be fine, but
as the developer I should be made aware of this. Are things like this
undocumented because its all still in development?
sincerely,
chris
Chris Lewis wrote:
Ok so I learned that the id parameter must be in the t: namespace, so
changing the radio component to have 't:id="reg-agent"'. Now I'm
greeted with a new exception:
"No object of type org.apache.tapestry.RadioContainer is available
from the Environment."
And then it lists several objects in teh environment. What's annoying
is that the component ref says that the RadioGroup (or some impl of
RadioContainer) must contain radio components, so my code should work.
However I looked at the source for RadioGroup, and doesn't implement
the RadioContainer interface!! Is this a bug?
Chris Lewis wrote:
Hello,
I'm trying to get a simple form with some radio buttons and labels
working, without success. Following is the source for my Login page
template and class. Note that the page is rendering in a layout
component.
Login.html:
<div t:type="layouts/General"
xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd";>
<t:Form>
<t:RadioGroup value="listerType" encoder="stringEncoder">
<t:Label for="reg-agent">Type</t:Label>
<t:Radio id="reg-agent" type="radio" value="listerType"/>
<t:Radio id="reg-fsbo" type="radio" value="listerType"/>
</t:RadioGroup>
</t:Form>
</div>
Login.java
public class Login {
public static final String AGENT_LISTER="AGENT";
public static final String AGENT_FSBO="FSBO";
private String listerType = AGENT_LISTER;
private StringValueEncoder stringEncoder = new StringValueEncoder();
/**
* @return the listerType
*/
public String getListerType() {
return listerType;
}
/**
* @param listerType the listerType to set
*/
public void setListerType(String listerType) {
this.listerType = listerType;
}
/**
* @return the stringEncoder
*/
public StringValueEncoder getStringEncoder() {
return stringEncoder;
}
}
When I visit the page I am greeted with a "Failure reading parameter
for of component listers/Login:label: Component listers/Login does
not contain an embedded component with id 'reg-agent'." exception,
but there is a component with id reg-agent!
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