[TYPO3-mvc] CheckboxViewHelper -> $this->propertyValue()

[Mark Kuiphuis]

What value should the variable $this->propertyValue() get in the CheckboxViewHelper 
when you have a form bound to an (empty or non existing) object in the newAction() 
where initially the checkbox is empty, but is checked before submitting the form?

<f:form.checkbox property="variable" value="1" />

The form has more fields including fields that need to be validated (non empty and 
email address). In case of an invalid form, the form will be returned and all 
textfields which have already been filled in have been filled with the value entered 
before submitting. Checkbox state (and radio button state as well) however, are not 
maintaining their state (checked or not checked depending on what value has been 
filled in, in the previous step).

$this->propertyValue() is always empty, whether the checkbox has been checked or not...

Regards,

Mark Kuiphuis

P.S. I have seen bugfixes on forge.typo3.org regarding CheckboxViewHelper etc., but 
apparently this issue is too difficult to tackle as still no proper solution has been 
provided...and I can't imagine I am the only one who has a form which needs to be 
validated and contains checkboxes :(