From 4835704a04cf5aa5ec71a8aef902d54b9c6cae82 Mon Sep 17 00:00:00 2001
From: wei <>
Date: Fri, 6 Jan 2006 04:42:44 +0000
Subject: Adding I18N support.

---
 framework/I18N/TGlobalization.php | 199 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 199 insertions(+)
 create mode 100644 framework/I18N/TGlobalization.php

(limited to 'framework/I18N/TGlobalization.php')

diff --git a/framework/I18N/TGlobalization.php b/framework/I18N/TGlobalization.php
new file mode 100644
index 00000000..473fe315
--- /dev/null
+++ b/framework/I18N/TGlobalization.php
@@ -0,0 +1,199 @@
+<?php
+/**
+ * TGlobalization class file.
+ *
+ * @author Wei Zhuo<weizhuo[at]gmail[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2005 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Revision: $  $Date: $
+ * @package System.I18N
+ */
+
+
+/**
+ * TGlobalization contains settings for Culture, Charset, ContentType
+ * and TranslationConfiguration.
+ *
+ * TGlobalization can be subclassed to change how the Culture, Charset
+ * are determined. See TGlobalizationAutoDetect for example of
+ * setting the Culture based on browser settings.
+ *
+ * @author Wei Zhuo<weizhuo[at]gmail[dot]com>
+ * @version $Revision: 1.66 $  $Date: ${DATE} ${TIME} $
+ * @package System.I18N
+ * @since 3.0
+ */
+class TGlobalization extends TModule
+{
+	/**
+	 * Default character set is 'UTF-8'.
+	 * @var string 
+	 */
+	private $_defaultCharset = 'UTF-8';
+
+	/**
+	 * Default culture is 'en'.
+	 * @var string	 
+	 */
+	private $_defaultCulture = 'en';
+
+	/**
+	 * Default content type is 'text/html'
+	 * @var ${type}
+	 */
+	private $_defaultContentType = 'text/html';
+
+	/**
+	 * Translation source parameters.
+	 * @var TMap
+	 */
+	private $_translation;
+
+	/**
+	 * The current charset.
+	 * @var string 
+	 */	
+	public $Charset='UTF-8';
+
+	/**
+	 * The current culture.
+	 * @var string 
+	 */
+	public $Culture='en';
+
+	/**
+	 * The content type for the http header
+	 * @var string
+	 */
+	public $ContentType='text/html';
+
+	/**
+	 * Initialize the Culture and Charset for this application.
+	 * You should override this method if you want a different way of
+	 * setting the Culture and/or Charset for your application.
+	 * If you override this method, call parent::init($xml) first.
+	 * @param TXmlElement application configuration
+	 */
+	public function init($xml)
+	{
+		$this->Culture = str_replace('-','_',$this->Culture);
+		$this->_defaultContentType = $this->ContentType;
+		$this->_defaultCharset = $this->Charset;
+		$this->_defaultCulture = $this->Culture;
+
+		$config = $xml->getElementByTagName('translation')->getAttributes();
+		$this->setTranslationConfiguration($config);
+		$this->getApplication()->setGlobalization($this);
+	}
+
+	/**
+	 * @return TMap translation source configuration.
+	 */
+	public function getTranslationConfiguration()
+	{
+		return $this->_translation;
+	}
+
+	/**
+	 * Sets the translation configuration. Example configuration:
+	 * <code>
+	 * $config['type'] = 'XLIFF'; //XLIFF, gettext, mysql or sqlite
+	 * $config['source'] = 'Path.to.directory'; //or database connection string
+	 * $config['catalogue'] = 'messages'; //default catalog
+	 * $config['autosave'] = 'true'; //save untranslated message
+	 * $config['cache'] = 'true'; //cache translated message
+	 * </code>
+	 * Throws exception is source is not found.
+	 * @param TMap configuration options
+	 * @return ${return}
+	 */
+	protected function setTranslationConfiguration(TMap $config)
+	{
+		if($config['type'] == 'XLIFF' || $config['type'] == 'gettext')
+		{
+			$config['source'] = Prado::getPathOfNamespace($config['source']);
+			if(!is_dir($config['source']))
+				throw new TException("invalid source dir '{$config['source']}'");
+		}
+		if($config['cache'])
+			$config['cache'] = $this->getApplication()->getRunTimePath().'/i18n';
+		$this->_translation = $config;
+	}
+
+	/**
+	 * @return string default charset set in application.xml
+	 */
+	public function getDefaultCharset()
+	{
+		return $this->_defaultCharset;
+	}
+
+	/**
+	 * @return string default culture set in application.xml
+	 */
+	public function getDefaultCulture()
+	{
+		return $this->_defaultCulture;
+	}
+
+	/**
+	 * @return string default content-type set in application.xml
+	 */
+	public function getDefaultContentType()
+	{
+		return $this->_defaultContentType;
+	}
+
+	/**
+	 * Gets all the variants of a specific culture. If the parameter
+	 * $culture is null, the current culture is used.
+	 * @param string $culture the Culture string
+	 * @return array variants of the culture.
+	 */
+	public function getCultureVariants($culture=null)
+	{
+		if(is_null($culture)) $culture = $this->Culture;
+		$variants = explode('_', $culture);
+		$result = array();
+		for(; count($variants) > 0; array_pop($variants))
+			$result[] = implode('_', $variants);
+		return $result;
+	}
+
+	/**
+	 * Returns a list of possible localized files. Example
+	 * <code>
+	 * $files = $app->getLocalizedResource("path/to/Home.page","en_US");
+	 * </code>
+	 * will return
+	 * <pre>
+	 * array
+	 *   0 => 'path/to/en_US/Home.page'
+	 *   1 => 'path/to/en/Home.page'
+	 *   2 => 'path/to/Home.en_US.page'
+	 *   3 => 'path/to/Home.en.page'
+	 *   4 => 'path/to/Home.page'
+	 * </pre>
+	 * Note that you still need to verify the existance of these files.
+	 * @param string filename
+	 * @param string culture string, null to use current culture
+	 * @return array list of possible localized resource files.
+	 */
+	public function getLocalizedResource($file,$culture=null)
+	{
+		$files = array();
+		$variants = $this->getCultureVariants($culture);
+		$path = pathinfo($file);
+		foreach($variants as $variant)
+			$files[] = $path['dirname'].'/'.$variant.'/'.$path['basename'];
+		$filename = substr($path['basename'],0,strrpos($path['basename'],'.'));
+		foreach($variants as $variant)
+			$files[] = $path['dirname'].'/'.$filename.'.'.$variant.'.'.$path['extension'];
+		$files[] = $file;
+		return $files;
+	}
+
+}
+
+?>
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