Jules, have a look at my reply a moment ago to msg, 'returning or
exiting from methods of controllers'. The reason the form is
redisplayed empty is because you're redirecting. This causes a new
request to be made, so $this->data is empty and FormHelper has nothing
to fill in the form with.
If either validation or save fails, you usually want only to set a
flash msg without doing a redirect. This allows the rest of the action
to be processed, meaning that the form will simply be re-displayed.
Because $this->data still contains whatever the user submitted, the
form should contain the data.
As for comparing 2 fields:
var $validate = array(
'field1' => array(
'fieldComparison' => array(
'rule' => array('compareFieldValues', 'field2'),
'message' => 'field1 and field2 are the same!'
)
)
);
function compareFieldValues($field1 = array(), $other_field_name = null)
{
foreach ($field as $key => $value)
{
if ($value === $this->data[$this->name][$other_field_name])
{
return false;
}
else
{
continue;
}
}
return true;
}
On Mon, May 18, 2009 at 9:30 PM, Jules <[email protected]> wrote:
>
> When a submitted form fails a validation rule, the form is presented
> back to the user with their values intact. This is obviously a good
> thing, as the user doesn't have to fill the whole thing in again.
>
> I have a form where I need to compare two of the submitted values to
> make sure they're not the same. I can't, as far as I know, use a
> validation rule to compare two fields in the same form. How can I
> display the form back the user with their values intact? Currently I
> set a flash message, then redirect back to the form, but the user has
> to fill the form in again.
>
> Thanks
> >
>
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