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<?php

/**
* @package forms
* @subpackage fields-formattedinput
*/

/**
* Field for displaying phone numbers. It separates the number, the area code and optionally the country code
* and extension.
* @package forms
* @subpackage fields-formattedinput
*/
class PhoneNumberField extends FormField {

protected $areaCode;
protected $countryCode;
protected $ext;

public function __construct( $name, $title = null, $value = '', $extension = null, $areaCode = null, $countryCode = null) {

$this->areaCode = $areaCode;
$this->ext = $extension;
$this->countryCode = $countryCode;

parent::__construct($name, $title, $value);
}

public function Field($properties = array()) {
$fields = new FieldGroup( $this->name );
$fields->setID("{$this->name}_Holder");
list($countryCode, $areaCode, $phoneNumber, $extension) = $this->parseValue();
$hasTitle = false;

    if ($this->value=="") {
      $countryCode=$this->countryCode;
      $areaCode=$this->areaCode;
      $extension=$this->ext;
    }

if($this->countryCode !== null) {
$fields->push(new NumericField($this->name.'[Country]', '+', $countryCode, 4));
}

if($this->areaCode !== null) {
$fields->push(new NumericField($this->name.'[Area]', '(', $areaCode, 4));
$fields->push(new NumericField($this->name.'[Number]', ')', $phoneNumber, 10));
} else {
$fields->push(new NumericField($this->name.'[Number]', '', $phoneNumber, 10));
}

if($this->ext !== null) {
$field->push(new NumericField( $this->name.'[Extension]', 'ext', $extension, 6));
}

foreach($fields as $field) {
$field->setDisabled($this->isDisabled());
$field->setReadonly($this->isReadonly());
}

return $field;
}

public function setValue( $value ) {
$this->value = self::joinPhoneNumber( $value );
return $this;
}

public static function joinPhoneNumber( $value ) {
if( is_array( $value ) ) {
$completeNumber = '';
if( isset($value['Country']) && $value['Country']!=null) {
$completeNumber .= '+' . $value['Country'];
}

if( isset($value['Area']) && $value['Area']!=null) {
$completeNumber .= '(' . $value['Area'] . ')';
}

$completeNumber .= $value['Number'];

if( isset($value['Extension']) && $value['Extension']!=null) {
$completeNumber .= '#' . $value['Extension'];
}

return $completeNumber;
} else
return $value;
}

protected function parseValue() {
if( !is_array( $this->value ))
preg_match( '/^(?:(?:\+(\d+))?\s*\((\d+)\))?\s*([0-9A-Za-z]*)\s*(?:[#]\s*(\d+))?$/', $this->value, $parts );
else
return array( '', '', $this->value, '' );
            
if(is_array($parts)) array_shift( $parts );

for ($x=0;$x<=3;$x++) {
if (!isset($parts[$x])) $parts[]='';
}

return $parts;
}

public function saveInto(DataObjectInterface $record) {
list( $countryCode, $areaCode, $phoneNumber, $extension ) = $this->parseValue();
$fieldName = $this->name;

$completeNumber = '';

if( $countryCode )
$completeNumber .= '+' . $countryCode;

if( $areaCode )
$completeNumber .= '(' . $areaCode . ')';

$completeNumber .= $phoneNumber;

if( $extension )
$completeNumber .= '#' . $extension;

$record->$fieldName = $completeNumber;
}

/**
* @todo Very basic validation at the moment
*/
public function validate($validator){
$valid = preg_match(
'/^[0-9\+\-\(\)\s\#]*$/',
$this->joinPhoneNumber($this->value)
);

if(!$valid){
$validator->validationError(
$this->name,
_t('PhoneNumberField.VALIDATION', "Please enter a valid phone number"),
"validation",
false
);
return false;
}

return true;
}
}
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