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framework/forms/CountryDropdownField.php 2.11 KB
0084d336   Administrator   Importers CRUD
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  <?php
  
  /**
   * A simple extension to dropdown field, pre-configured to list countries.
   * It will default to the country of the current visitor.
   *
   * @package forms
   * @subpackage fields-relational
   */
  class CountryDropdownField extends DropdownField {
  
  	/**
  	 * Should we default the dropdown to the region determined from the user's locale?
  	 * @var bool
  	 */
  	private static $default_to_locale = true;
  
  	/**
  	 * The region code to default to if default_to_locale is set to false, or we can't determine a region from a locale
  	 *  @var string
  	 */
  	private static $default_country = 'NZ';
  
  	protected $extraClasses = array('dropdown');
  
  	/**
  	 * Get the locale of the Member, or if we're not logged in or don't have a locale, use the default one
  	 * @return string
  	 */
  	protected function locale() {
  		if (($member = Member::currentUser()) && $member->Locale) return $member->Locale;
  		return i18n::get_locale();
  	}
  
  	public function __construct($name, $title = null, $source = null, $value = "", $form=null) {
  		if(!is_array($source)) {
  			// Get a list of countries from Zend
  			$source = Zend_Locale::getTranslationList('territory', $this->locale(), 2);
  
  			// We want them ordered by display name, not country code
  
  			// PHP 5.3 has an extension that sorts UTF-8 strings correctly
  			if (class_exists('Collator') && ($collator = Collator::create($this->locale()))) {
  				$collator->asort($source);
  			}
  			// Otherwise just put up with them being weirdly ordered for now
  			else {
  				asort($source);
  			}
  
  			// We don't want "unknown country" as an option
  			unset($source['ZZ']);
  		}
  
  		parent::__construct($name, ($title===null) ? $name : $title, $source, $value, $form);
  	}
  
  	public function Field($properties = array()) {
  		$source = $this->getSource();
  
  		if (!$this->value || !isset($source[$this->value])) {
  			if ($this->config()->default_to_locale && $this->locale()) {
  				$locale = new Zend_Locale();
  				$locale->setLocale($this->locale());
  				$this->value = $locale->getRegion();
  			}
  		}
  
  		if (!$this->value || !isset($source[$this->value])) {
  			$this->value = $this->config()->default_country;
  		}
  
  		return parent::Field();
  	}
  }