From 01062c70a1cd36f40a46a63b637b5bdc6f32a2a0 Mon Sep 17 00:00:00 2001
From: Hamish Friedlander <hamish@silverstripe.com>
Date: Thu, 21 Jun 2012 15:34:03 +1200
Subject: [PATCH] ENHANCEMENT: Add back CountryDropdownField

We removed this because it depended on GeoIP, which was weird, and had its own dependancies.
But Zend_Locale is included in core, and can give us all the data we need for CountryDropdownField
---
 forms/CountryDropdownField.php | 71 ++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 forms/CountryDropdownField.php

diff --git a/forms/CountryDropdownField.php b/forms/CountryDropdownField.php
new file mode 100644
index 000000000..43fa12a97
--- /dev/null
+++ b/forms/CountryDropdownField.php
@@ -0,0 +1,71 @@
+<?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 {
+
+	/**
+	 * @var bool - Should we default the dropdown to the region determined from the user's locale?
+	 */
+	static $default_to_locale = true;
+
+	/**
+	 * @var string - The region code to default to if default_to_locale is set to false, or we can't determine a region from a locale
+	 */
+	static $default_country = 'NZ';
+
+	/**
+	 * Get the locale of the Member, or if we're not logged in or don't have a locale, use the default one
+	 * @return string
+	 */
+	protected function locale() {
+		if (($member = Member::currentUser()) && $member->Locale) return $member->Locale;
+		return i18n::get_locale();
+	}
+
+	function __construct($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, $form);
+	}
+
+	function Field($properties = array()) {
+		$source = $this->getSource();
+
+		if (!$this->value || !isset($source[$this->value])) {
+			if ($this->config()->get('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()->get('default_country');
+		}
+
+		return parent::Field();
+	}
+}