However, If you have some sort of custom validation to assert the error,
for example in the controller,
if( empty($this->data['Person']['Address']['address1']) )
$this->Person->validationErrors['Address']['address1'] = 1;
then you can make custom error helper to check such error.For example, make /app/views/helpers/error.php as follows
--------------------------------------------------------------------------------------------
<?php
class ErrorHelper extends Helper
{
function tagErrorMsg($field, $text) {
$error = 1;
$pieces = explode("/", $field);
$keys = "['".implode("']['", $pieces)."']";
$variable = "\$this->validationErrors{$keys}";
$validationError = eval("return {$variable};");
if ($error == $validationError) {
return sprintf('<div class="error_message">%s</div>', is_array($text) ? (empty($text[$error - 1]) ? 'Error in field' : $text[$error - 1]) : $text);
} else {
return null;
}
}
}
?>
--------------------------------------------------------------------------------------------
Then your controller should include error helper by
var $helpers = array('Html', 'Error');
Then in your view (note: use $error instead of $html)
<?php echo $html->input('Person/Address/address1',
array('id' => 'person_address_address1', 'size' => '40',
'value' => $addresses['Address']['address1'], )) ?>
<?php echo $error->tagErrorMsg('Person/Address/address1', 'address is empty.'); ?>
The tagErrorMsg is from HTML helper, and I modified the error checking part.
It construct variable name to access multidimentional validationErrors array,
and get the value. It works for regular 'Model/field' case, too.
I am not sure if it is good code, but it works.
Example for custom validation and error helper is at
http://wiki.cakephp.org/tutorials:advanced_validation
and you might want to check the advanced custom validation for your need, too.
Hope this helps.
Sohei
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