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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) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
+ * @version $Id: TopNav.php 20 2009-12-01 14:26:22Z markus $
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+/** Zend_View_Helper_Placeholder_Container_Standalone */
+require_once 'Zend/View/Helper/Placeholder/Container/Standalone.php';
+
+/**
+ * Helper for building an applications top navigation bar
+ *
+ * @uses Zend_View_Helper_Placeholder_Container_Standalone
+ * @package Zend_View
+ * @subpackage Helper
+ * @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+class Zend_View_Helper_TopNav extends Zend_View_Helper_Placeholder_Container_Standalone
+{
+ /**
+ * Registry key for placeholder
+ * @var string
+ */
+ protected $_regKey = 'Zend_View_Helper_TopNav';
+
+ protected $items = array();
+
+ /**
+ * Retrieve placeholder for navigation element and optionally set state
+ *
+ * Single Link elements to be made with $this->url(array('controller'=>'<controller>'), 'default', true);
+ *
+ * @param string $link
+ * @param string $setType
+ * @param string $setPos
+ * @return Zend_View_Helper_TopNav
+ */
+ public function topNav($link = null, $setType = Zend_View_Helper_Placeholder_Container_Abstract::APPEND, $setPos = 0)
+ {
+ $link = (string) $link;
+ if ($link !== '') {
+ if ($setType == Zend_View_Helper_Placeholder_Container_Abstract::SET) {
+ if ($setPos != 0)
+ $this->items[$setPos] = $link;
+ else
+ $this->items[] = $link;
+ } elseif ($setType == Zend_View_Helper_Placeholder_Container_Abstract::PREPEND) {
+ $this->items = array_merge(array($link), $this->items);
+ } else {
+ $this->items[] = $link;
+ }
+ }
+
+ return $this;
+ }
+
+ /**
+ * Turn helper into string
+ *
+ * @param string|null $indent
+ * @param string|null $locale
+ * @return string
+ */
+ public function __toString($indent = null, $locale = null)
+ {
+ $output = '';
+ $indent = (null !== $indent)
+ ? $this->getWhitespace($indent)
+ : $this->getIndent();
+
+ ksort($this->items);
+
+ $output .= $indent . "<ul>\n";
+
+ foreach ($this->items as $item) {
+ $output .= $indent . "<li>" . $item . "</li>\n";
+ }
+ $output .= $indent . "</ul>\n";
+
+ return $output;
+ }
+}