108 lines
2.3 KiB
PHP
108 lines
2.3 KiB
PHP
<?php
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/**
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* @package Joomla.Platform
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* @subpackage Form
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*
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE
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*/
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defined('JPATH_PLATFORM') or die;
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JFormHelper::loadFieldClass('groupedlist');
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/**
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* Form Field class for the Joomla Platform.
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*
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* @package Joomla.Platform
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* @subpackage Form
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* @since 11.1
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*/
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class JFormFieldTimezone extends JFormFieldGroupedList
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{
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/**
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* The form field type.
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*
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* @var string
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* @since 11.1
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*/
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protected $type = 'Timezone';
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/**
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* The list of available timezone groups to use.
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*
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* @var array
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*
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* @since 11.1
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*/
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protected static $zones = array('Africa', 'America', 'Antarctica', 'Arctic', 'Asia', 'Atlantic', 'Australia', 'Europe', 'Indian', 'Pacific');
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/**
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* Method to get the time zone field option groups.
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*
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* @return array The field option objects as a nested array in groups.
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*
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* @since 11.1
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*/
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protected function getGroups()
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{
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$groups = array();
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$keyField = $this->element['key_field'] ? (string) $this->element['key_field'] : 'id';
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$keyValue = $this->form->getValue($keyField);
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// If the timezone is not set use the server setting.
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if (strlen($this->value) == 0 && empty($keyValue))
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{
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$this->value = JFactory::getConfig()->get('offset');
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}
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// Get the list of time zones from the server.
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$zones = DateTimeZone::listIdentifiers();
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// Build the group lists.
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foreach ($zones as $zone)
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{
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// Time zones not in a group we will ignore.
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if (strpos($zone, '/') === false)
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{
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continue;
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}
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// Get the group/locale from the timezone.
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list ($group, $locale) = explode('/', $zone, 2);
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// Only use known groups.
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if (in_array($group, self::$zones))
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{
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// Initialize the group if necessary.
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if (!isset($groups[$group]))
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{
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$groups[$group] = array();
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}
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// Only add options where a locale exists.
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if (!empty($locale))
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{
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$groups[$group][$zone] = JHtml::_('select.option', $zone, str_replace('_', ' ', $locale), 'value', 'text', false);
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}
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}
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}
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// Sort the group lists.
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ksort($groups);
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foreach ($groups as &$location)
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{
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sort($location);
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}
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// Merge any additional groups in the XML definition.
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$groups = array_merge(parent::getGroups(), $groups);
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return $groups;
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}
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}
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