[TYPO3-mvc] Error using link.action, while form.submit works
Franz Koch
typo3.RemoveForMessage at elements-net.de
Mon Nov 8 12:19:48 CET 2010
Hey,
...
> Tx_Myext_Domain_Model_Demand extends
> Tx_Extbase_DomainObject_AbstractValueObject
>
> For scrolling in the result set I need a link to show the previous (or
> the next) couple of items (same action, same view, different offset).
>
> The link I try to use is following:
> <f:link.action action="find"
> arguments="{demand: demand, count: count, offset: prev}">
> prev
> </f:link.action>
>
> But this results infollowing error:
> Uncaught TYPO3 Exception
> #1251730701: The value must be of type "Tx_Myext_Domain_Model_Demand",
> but was of type "NULL".
well, how does the URI look like? I think the link viewHelper has issues
in converting your demand object to a array that can be passed via URI.
> Whe I use a form with an submit button it works:
> <f:form class="tx_myext_searchform" method="post" action="find"
> name="demand" object="{demand}"
> arguments="{count: count, offset: prev}" >
> <f:form.hidden id="searchTitle" property="searchTitle" />
> <f:form.hidden id="searchCountries" property="searchCountries" />
> <f:form.submit name="submitButton" id="prevButton" value="prev" />
> </f:form>
Of course this works, because you explicitly set the properties of your
demand object that shall be submitted. The generated link seems to miss
that properties.
> What I am doing wrong with the link generation?
See above. When I'm in need of something like this, I implement a
"getAsArray" method in my demand (you could also create a viewHelper for
this) and only pass the demand values as array to the linkViewHelper:
<f:link.action ... arguments="{demand: demand.asArray}" />
Of course it would be nice if the linkViewHandler could convert demand
objects on it's own.
--
kind regards,
Franz Koch
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