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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_View
* @subpackage Helper
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @version $Id$
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
/** Zend_View_Helper_Placeholder_Container_Standalone */
/**
* Helper for setting and retrieving title element for HTML head
*
* @uses Zend_View_Helper_Placeholder_Container_Standalone
* @package Zend_View
* @subpackage Helper
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_View_Helper_HeadTitle extends Zend_View_Helper_Placeholder_Container_Standalone
{
/**
* Registry key for placeholder
* @var string
*/
protected $_regKey = 'Zend_View_Helper_HeadTitle';
/**
* Whether or not auto-translation is enabled
* @var boolean
*/
protected $_translate = false;
/**
* Translation object
*
* @var Zend_Translate_Adapter
*/
protected $_translator;
/**
* Default title rendering order (i.e. order in which each title attached)
*
* @var string
*/
protected $_defaultAttachOrder = null;
/**
* Retrieve placeholder for title element and optionally set state
*
* @param string $title
* @param string $setType
* @return Zend_View_Helper_HeadTitle
*/
public function headTitle($title = null, $setType = null)
{
if (null === $setType) {
$setType = (null === $this->getDefaultAttachOrder())
? Zend_View_Helper_Placeholder_Container_Abstract::APPEND
: $this->getDefaultAttachOrder();
}
$title = (string) $title;
if ($title !== '') {
if ($setType == Zend_View_Helper_Placeholder_Container_Abstract::SET) {
$this->set($title);
} elseif ($setType == Zend_View_Helper_Placeholder_Container_Abstract::PREPEND) {
$this->prepend($title);
} else {
$this->append($title);
}
}
return $this;
}
/**
* Set a default order to add titles
*
* @param string $setType
*/
public function setDefaultAttachOrder($setType)
{
if (!in_array($setType, array(
Zend_View_Helper_Placeholder_Container_Abstract::APPEND,
Zend_View_Helper_Placeholder_Container_Abstract::SET,
Zend_View_Helper_Placeholder_Container_Abstract::PREPEND
))) {
throw new Zend_View_Exception("You must use a valid attach order: 'PREPEND', 'APPEND' or 'SET'");
}
$this->_defaultAttachOrder = $setType;
return $this;
}
/**
* Get the default attach order, if any.
*
* @return mixed
*/
public function getDefaultAttachOrder()
{
return $this->_defaultAttachOrder;
}
/**
* Sets a translation Adapter for translation
*
* @param Zend_Translate|Zend_Translate_Adapter $translate
* @return Zend_View_Helper_HeadTitle
*/
public function setTranslator($translate)
{
if ($translate instanceof Zend_Translate_Adapter) {
$this->_translator = $translate;
} elseif ($translate instanceof Zend_Translate) {
$this->_translator = $translate->getAdapter();
} else {
$e = new Zend_View_Exception("You must set an instance of Zend_Translate or Zend_Translate_Adapter");
$e->setView($this->view);
throw $e;
}
return $this;
}
/**
* Retrieve translation object
*
* If none is currently registered, attempts to pull it from the registry
* using the key 'Zend_Translate'.
*
* @return Zend_Translate_Adapter|null
*/
public function getTranslator()
{
if (null === $this->_translator) {
if (Zend_Registry::isRegistered('Zend_Translate')) {
$this->setTranslator(Zend_Registry::get('Zend_Translate'));
}
}
return $this->_translator;
}
/**
* Enables translation
*
* @return Zend_View_Helper_HeadTitle
*/
public function enableTranslation()
{
$this->_translate = true;
return $this;
}
/**
* Disables translation
*
* @return Zend_View_Helper_HeadTitle
*/
public function disableTranslation()
{
$this->_translate = false;
return $this;
}
/**
* Turn helper into string
*
* @param string|null $indent
* @param string|null $locale
* @return string
*/
public function toString($indent = null, $locale = null)
{
$indent = (null !== $indent)
? $this->getWhitespace($indent)
: $this->getIndent();
$items = array();
if($this->_translate && $translator = $this->getTranslator()) {
foreach ($this as $item) {
$items[] = $translator->translate($item, $locale);
}
} else {
foreach ($this as $item) {
$items[] = $item;
}
}
$separator = $this->getSeparator();
$output = '';
if(($prefix = $this->getPrefix())) {
$output .= $prefix;
}
$output .= implode($separator, $items);
if(($postfix = $this->getPostfix())) {
$output .= $postfix;
}
$output = ($this->_autoEscape) ? $this->_escape($output) : $output;
return $indent . '<title>' . $output . '</title>';
}
}
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