0084d336
 Administrator
Importers CRUD
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<?php
/**
* Allows input of credit card numbers via four separate form fields,
* including generic validation of its numeric values.
*
* @todo Validate
*
* @package forms
* @subpackage fields-formattedinput
*/
class CreditCardField extends TextField {
/**
* Add default attributes for use on all inputs.
*
* @return array List of attributes
*/
public function getAttributes() {
return array_merge(
parent::getAttributes(),
array(
'autocomplete' => 'off',
'maxlength' => 4,
'size' => 4
)
);
}
public function Field($properties = array()) {
$parts = $this->value;
if(!is_array($parts)) $parts = explode("\n", chunk_split($parts,4,"\n"));
$parts = array_pad($parts, 4, "");
$properties['ValueOne'] = $parts[0];
$properties['ValueTwo'] = $parts[1];
$properties['ValueThree'] = $parts[2];
$properties['ValueFour'] = $parts[3];
return parent::Field($properties);
}
/**
* Get tabindex HTML string
*
* @param int $increment Increase current tabindex by this value
* @return string
*/
public function getTabIndexHTML($increment = 0) {
// we can't add a tabindex if there hasn't been one set yet.
if($this->getAttribute('tabindex') === null) return false;
$tabIndex = (int)$this->getAttribute('tabindex') + (int)$increment;
return (is_numeric($tabIndex)) ? ' tabindex = "' . $tabIndex . '"' : '';
}
public function dataValue() {
if(is_array($this->value)) return implode("", $this->value);
else return $this->value;
}
public function validate($validator){
// If the field is empty then don't return an invalidation message
if(!trim(implode("", $this->value))) return true;
$i=0;
if($this->value) foreach($this->value as $part){
if(!$part || !(strlen($part) == 4) || !preg_match("/([0-9]{4})/", $part)){
switch($i){
case 0: $number = _t('CreditCardField.FIRST', 'first'); break;
case 1: $number = _t('CreditCardField.SECOND', 'second'); break;
case 2: $number = _t('CreditCardField.THIRD', 'third'); break;
case 3: $number = _t('CreditCardField.FOURTH', 'fourth'); break;
}
$validator->validationError(
$this->name,
_t(
'Form.VALIDATIONCREDITNUMBER',
"Please ensure you have entered the {number} credit card number correctly",
array('number' => $number)
),
"validation",
false
);
return false;
}
$i++;
}
}
}
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