1 <?php
 2 /**
 3  * A simple extension to dropdown field, pre-configured to list countries.
 4  * It will default to the country of the current visiotr.
 5  * @package forms
 6  * @subpackage fields-relational
 7  */
 8 class CountryDropdownField extends DropdownField {
 9     protected $defaultToVisitorCountry = true;
10     
11     function __construct($name, $title = null, $source = null, $value = "", $form=null) {
12         if(!is_array($source)) $source = Geoip::getCountryDropDown();
13         if(!$value) $value = Geoip::visitor_country();
14 
15         parent::__construct($name, ($title===null) ? $name : $title, $source, $value, $form);
16     }
17     
18     function defaultToVisitorCountry($val) {
19         $this->defaultToVisitorCountry = $val;
20     }
21     
22     function Field() {
23         $source = $this->getSource();
24         if($this->defaultToVisitorCountry && !$this->value || !isset($source[$this->value])) {
25             $this->value = ($vc = Geoip::visitor_country()) ? $vc : Geoip::$default_country_code;
26         }
27         return parent::Field();
28     }
29 }
30 
31 ?>