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libraries/joomla/form/fields/language.php

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+<?php
+/**
+ * @package     Joomla.Platform
+ * @subpackage  Form
+ *
+ * @copyright   Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
+ * @license     GNU General Public License version 2 or later; see LICENSE
+ */
+
+defined('JPATH_PLATFORM') or die;
+
+JFormHelper::loadFieldClass('list');
+
+/**
+ * Form Field class for the Joomla Platform.
+ * Supports a list of installed application languages
+ *
+ * @package     Joomla.Platform
+ * @subpackage  Form
+ * @see         JFormFieldContentLanguage for a select list of content languages.
+ * @since       11.1
+ */
+class JFormFieldLanguage extends JFormFieldList
+{
+	/**
+	 * The form field type.
+	 *
+	 * @var    string
+	 * @since  11.1
+	 */
+	protected $type = 'Language';
+
+	/**
+	 * Method to get the field options.
+	 *
+	 * @return  array  The field option objects.
+	 *
+	 * @since   11.1
+	 */
+	protected function getOptions()
+	{
+		// Initialize some field attributes.
+		$client = (string) $this->element['client'];
+		if ($client != 'site' && $client != 'administrator')
+		{
+			$client = 'site';
+		}
+
+		// Merge any additional options in the XML definition.
+		$options = array_merge(
+			parent::getOptions(),
+			JLanguageHelper::createLanguageList($this->value, constant('JPATH_' . strtoupper($client)), true, true)
+		);
+
+		return $options;
+	}
+}