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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* Contains the Translation2_Decorator_Lang class
*
* PHP versions 4 and 5
*
* LICENSE: Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @category Internationalization
* @package Translation2
* @author Lorenzo Alberton <l.alberton@quipo.it>
* @copyright 2004-2007 Lorenzo Alberton
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
* @version CVS: $Id: Lang.php 305985 2010-12-05 22:55:33Z clockwerx $
* @link http://pear.php.net/package/Translation2
*/
/**
* Load Translation2 decorator base class
*/
require_once 'Translation2/Decorator.php';
/**
* Decorator to provide a fallback language for empty strings.
*
* @category Internationalization
* @package Translation2
* @author Lorenzo Alberton <l.alberton@quipo.it>
* @copyright 2004-2007 Lorenzo Alberton
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
* @version CVS: $Id: Lang.php 305985 2010-12-05 22:55:33Z clockwerx $
* @link http://pear.php.net/package/Translation2
*/
class Translation2_Decorator_Lang extends Translation2_Decorator
{
// {{{ class vars
/**
* fallback lang
* @var string
* @access protected
*/
var $fallbackLang;
// }}}
// {{{ setOption()
/**
* set Decorator option (intercept 'fallbackLang' option).
* I don't know why it's needed, but it doesn't work without.
*
* @param string $option option name
* @param mixed $value option value
*
* @return self
*/
function setOption($option, $value=null)
{
if ($option == 'fallbackLang') {
$this->fallbackLang = $value;
return $this;
}
return parent::setOption($option, $value);
}
// }}}
// {{{ get()
/**
* Get translated string
*
* If the string is empty, check the fallback language
*
* @param string $stringID string ID
* @param string $pageID page/group ID
* @param string $langID language ID
* @param string $defaultText Text to display when the strings in both
* the default and the fallback lang are empty
*
* @return string
*/
function get($stringID, $pageID = TRANSLATION2_DEFAULT_PAGEID, $langID = null, $defaultText = '')
{
$str = $this->translation2->get($stringID, $pageID, $langID, $defaultText);
if (empty($str)) {
$str = $this->translation2->get($stringID, $pageID, $this->fallbackLang);
}
return $str;
}
// }}}
// {{{ getPage()
/**
* Same as getRawPage, but resort to fallback language and
* replace parameters when needed
*
* @param string $pageID page/group ID
* @param string $langID language ID
*
* @return array
*/
function getPage($pageID = TRANSLATION2_DEFAULT_PAGEID, $langID = null)
{
$data1 = $this->translation2->getPage($pageID, $langID);
if (PEAR::isError($data1)) {
return $data1;
}
$data2 = $this->translation2->getPage($pageID, $this->fallbackLang);
if (PEAR::isError($data2)) {
return $data2;
}
foreach ($data1 as $key => $val) {
if (empty($val)) {
$data1[$key] = $data2[$key];
}
}
// append keys when fallback lang contains more than current
$diff = array_diff(array_keys($data2), array_keys($data1));
foreach ($diff as $key) {
$data1[$key] = $data2[$key];
}
return $data1;
}
// }}}
}
?>
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