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alazhar
2020-01-02 22:20:31 +07:00
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plugins/system/languagecode/languagecode.php Normal file
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<?php
/**
* @package Joomla.Plugin
* @subpackage System.languagecode
*
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
/**
* Language Code plugin class.
*
* @package Joomla.Plugin
* @subpackage Content.languagecode
* @since 2.5
*/
class PlgSystemLanguagecode extends JPlugin
{
/**
* Plugin that change the language code used in the <html /> tag
*
* @since 2.5
*/
public function onAfterRender()
{
// Use this plugin only in site application
if (JFactory::getApplication()->isSite())
{
// Get the response body
$body = JResponse::getBody();
// Get the current language code
$code = JFactory::getDocument()->getLanguage();
// Get the new code
$new_code = $this->params->get($code);
// Replace the old code by the new code in the <html /> tag
if ($new_code)
{
// Replace the new code in the HTML document
$patterns = array(
chr(1) . '(<html.*\s+xml:lang=")(' . $code . ')(".*>)' . chr(1) . 'i',
chr(1) . '(<html.*\s+lang=")(' . $code . ')(".*>)' . chr(1) . 'i',
);
$replace = array(
'${1}' . strtolower($new_code) . '${3}',
'${1}' . strtolower($new_code) . '${3}'
);
}
else
{
$patterns = array();
$replace = array();
}
// Replace codes in <link hreflang="" /> attributes
preg_match_all(chr(1) . '(<link.*\s+hreflang=")([0-9a-z\-]*)(".*\s+rel="alternate".*/>)' . chr(1) . 'i', $body, $matches);
foreach ($matches[2] as $match)
{
$new_code = $this->params->get(strtolower($match));
if ($new_code)
{
$patterns[] = chr(1) . '(<link.*\s+hreflang=")(' . $match . ')(".*\s+rel="alternate".*/>)' . chr(1) . 'i';
$replace[] = '${1}' . $new_code . '${3}';
}
}
preg_match_all(chr(1) . '(<link.*\s+rel="alternate".*\s+hreflang=")([0-9A-Za-z\-]*)(".*/>)' . chr(1) . 'i', $body, $matches);
foreach ($matches[2] as $match)
{
$new_code = $this->params->get(strtolower($match));
if ($new_code)
{
$patterns[] = chr(1) . '(<link.*\s+rel="alternate".*\s+hreflang=")(' . $match . ')(".*/>)' . chr(1) . 'i';
$replace[] = '${1}' . $new_code . '${3}';
}
}
JResponse::setBody(preg_replace($patterns, $replace, $body));
}
}
/**
* @param JForm $form The form to be altered.
* @param array $data The associated data for the form.
*
* @return boolean
* @since 2.5
*/
public function onContentPrepareForm($form, $data)
{
// Ensure that data is an object
$data = (object) $data;
// Check we have a form
if (!($form instanceof JForm))
{
$this->_subject->setError('JERROR_NOT_A_FORM');
return false;
}
// Check we are manipulating a valid form.
$app = JFactory::getApplication();
if ($form->getName() != 'com_plugins.plugin'
|| isset($data->name) && $data->name != 'plg_system_languagecode'
|| empty($data) && !$app->getUserState('plg_system_language_code.edit')
)
{
return true;
}
// Mark the plugin as being edited
$app->setUserState('plg_system_language_code.edit', $data->name == 'plg_system_languagecode');
// Get site languages
if ($languages = JLanguage::getKnownLanguages(JPATH_SITE))
{
// Inject fields into the form
foreach ($languages as $tag => $language)
{
$form->load('
<form>
<fields name="params">
<fieldset
name="languagecode"
label="PLG_SYSTEM_LANGUAGECODE_FIELDSET_LABEL"
description="PLG_SYSTEM_LANGUAGECODE_FIELDSET_DESC"
>
<field
name="'.strtolower($tag).'"
type="text"
description="' . htmlspecialchars(JText::sprintf('PLG_SYSTEM_LANGUAGECODE_FIELD_DESC', $language['name']), ENT_COMPAT, 'UTF-8') . '"
translate_description="false"
label="' . $tag . '"
translate_label="false"
size="7"
filter="cmd"
/>
</fieldset>
</fields>
</form>
');
}
}
return true;
}
}