648 Zeilen
23 KiB
PHP
648 Zeilen
23 KiB
PHP
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_View
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* @subpackage Helper
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/**
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* @see Zend_View_Helper_Navigation_HelperAbstract
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*/
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require_once 'Zend/View/Helper/Navigation/HelperAbstract.php';
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/**
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* Helper for rendering menus from navigation containers
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*
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* @category Zend
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* @package Zend_View
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* @subpackage Helper
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_View_Helper_Navigation_Menu
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extends Zend_View_Helper_Navigation_HelperAbstract
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{
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/**
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* CSS class to use for the ul element
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*
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* @var string
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*/
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protected $_ulClass = 'navigation';
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/**
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* Whether only active branch should be rendered
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*
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* @var bool
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*/
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protected $_onlyActiveBranch = false;
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/**
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* Whether parents should be rendered when only rendering active branch
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*
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* @var bool
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*/
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protected $_renderParents = true;
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/**
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* Partial view script to use for rendering menu
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*
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* @var string|array
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*/
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protected $_partial = null;
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/**
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* View helper entry point:
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* Retrieves helper and optionally sets container to operate on
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*
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* @param Zend_Navigation_Container $container [optional] container to
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* operate on
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* @return Zend_View_Helper_Navigation_Menu fluent interface,
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* returns self
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*/
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public function menu(Zend_Navigation_Container $container = null)
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{
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if (null !== $container) {
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$this->setContainer($container);
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}
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return $this;
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}
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// Accessors:
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/**
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* Sets CSS class to use for the first 'ul' element when rendering
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*
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* @param string $ulClass CSS class to set
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* @return Zend_View_Helper_Navigation_Menu fluent interface, returns self
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*/
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public function setUlClass($ulClass)
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{
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if (is_string($ulClass)) {
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$this->_ulClass = $ulClass;
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}
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return $this;
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}
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/**
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* Returns CSS class to use for the first 'ul' element when rendering
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*
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* @return string CSS class
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*/
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public function getUlClass()
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{
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return $this->_ulClass;
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}
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/**
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* Sets a flag indicating whether only active branch should be rendered
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*
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* @param bool $flag [optional] render only active
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* branch. Default is true.
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* @return Zend_View_Helper_Navigation_Menu fluent interface, returns self
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*/
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public function setOnlyActiveBranch($flag = true)
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{
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$this->_onlyActiveBranch = (bool) $flag;
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return $this;
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}
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/**
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* Returns a flag indicating whether only active branch should be rendered
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*
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* By default, this value is false, meaning the entire menu will be
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* be rendered.
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*
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* @return bool whether only active branch should be rendered
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*/
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public function getOnlyActiveBranch()
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{
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return $this->_onlyActiveBranch;
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}
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/**
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* Enables/disables rendering of parents when only rendering active branch
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*
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* See {@link setOnlyActiveBranch()} for more information.
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*
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* @param bool $flag [optional] render parents when
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* rendering active branch.
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* Default is true.
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* @return Zend_View_Helper_Navigation_Menu fluent interface, returns self
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*/
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public function setRenderParents($flag = true)
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{
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$this->_renderParents = (bool) $flag;
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return $this;
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}
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/**
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* Returns flag indicating whether parents should be rendered when rendering
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* only the active branch
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*
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* By default, this value is true.
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*
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* @return bool whether parents should be rendered
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*/
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public function getRenderParents()
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{
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return $this->_renderParents;
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}
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/**
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* Sets which partial view script to use for rendering menu
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*
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* @param string|array $partial partial view script or null. If
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* an array is given, it is
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* expected to contain two values;
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* the partial view script to use,
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* and the module where the script
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* can be found.
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* @return Zend_View_Helper_Navigation_Menu fluent interface, returns self
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*/
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public function setPartial($partial)
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{
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if (null === $partial || is_string($partial) || is_array($partial)) {
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$this->_partial = $partial;
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}
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return $this;
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}
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/**
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* Returns partial view script to use for rendering menu
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*
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* @return string|array|null
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*/
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public function getPartial()
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{
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return $this->_partial;
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}
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// Public methods:
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/**
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* Returns an HTML string containing an 'a' element for the given page if
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* the page's href is not empty, and a 'span' element if it is empty
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*
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* Overrides {@link Zend_View_Helper_Navigation_Abstract::htmlify()}.
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*
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* @param Zend_Navigation_Page $page page to generate HTML for
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* @return string HTML string for the given page
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*/
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public function htmlify(Zend_Navigation_Page $page)
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{
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// get label and title for translating
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$label = $page->getLabel();
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$title = $page->getTitle();
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// translate label and title?
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if ($this->getUseTranslator() && $t = $this->getTranslator()) {
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if (is_string($label) && !empty($label)) {
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$label = $t->translate($label);
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}
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if (is_string($title) && !empty($title)) {
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$title = $t->translate($title);
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}
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}
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// get attribs for element
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$attribs = array(
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'id' => $page->getId(),
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'title' => $title,
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'class' => $page->getClass()
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);
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// does page have a href?
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if ($href = $page->getHref()) {
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$element = 'a';
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$attribs['href'] = $href;
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$attribs['target'] = $page->getTarget();
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} else {
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$element = 'span';
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}
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return '<' . $element . $this->_htmlAttribs($attribs) . '>'
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. $this->view->escape($label)
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. '</' . $element . '>';
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}
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/**
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* Normalizes given render options
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*
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* @param array $options [optional] options to normalize
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* @return array normalized options
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*/
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protected function _normalizeOptions(array $options = array())
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{
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if (isset($options['indent'])) {
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$options['indent'] = $this->_getWhitespace($options['indent']);
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} else {
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$options['indent'] = $this->getIndent();
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}
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if (isset($options['ulClass']) && $options['ulClass'] !== null) {
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$options['ulClass'] = (string) $options['ulClass'];
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} else {
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$options['ulClass'] = $this->getUlClass();
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}
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if (array_key_exists('minDepth', $options)) {
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if (null !== $options['minDepth']) {
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$options['minDepth'] = (int) $options['minDepth'];
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}
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} else {
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$options['minDepth'] = $this->getMinDepth();
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}
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if ($options['minDepth'] < 0 || $options['minDepth'] === null) {
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$options['minDepth'] = 0;
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}
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if (array_key_exists('maxDepth', $options)) {
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if (null !== $options['maxDepth']) {
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$options['maxDepth'] = (int) $options['maxDepth'];
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}
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} else {
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$options['maxDepth'] = $this->getMaxDepth();
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}
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if (!isset($options['onlyActiveBranch'])) {
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$options['onlyActiveBranch'] = $this->getOnlyActiveBranch();
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}
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if (!isset($options['renderParents'])) {
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$options['renderParents'] = $this->getRenderParents();
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}
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return $options;
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}
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// Render methods:
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/**
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* Renders the deepest active menu within [$minDepth, $maxDeth], (called
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* from {@link renderMenu()})
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*
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* @param Zend_Navigation_Container $container container to render
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* @param array $active active page and depth
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* @param string $ulClass CSS class for first UL
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* @param string $indent initial indentation
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* @param int|null $minDepth minimum depth
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* @param int|null $maxDepth maximum depth
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* @return string rendered menu
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*/
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protected function _renderDeepestMenu(Zend_Navigation_Container $container,
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$ulClass,
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$indent,
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$minDepth,
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$maxDepth)
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{
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if (!$active = $this->findActive($container, $minDepth - 1, $maxDepth)) {
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return '';
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}
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// special case if active page is one below minDepth
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if ($active['depth'] < $minDepth) {
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if (!$active['page']->hasPages()) {
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return '';
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}
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} else if (!$active['page']->hasPages()) {
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// found pages has no children; render siblings
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$active['page'] = $active['page']->getParent();
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} else if (is_int($maxDepth) && $active['depth'] +1 > $maxDepth) {
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// children are below max depth; render siblings
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$active['page'] = $active['page']->getParent();
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}
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$ulClass = $ulClass ? ' class="' . $ulClass . '"' : '';
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$html = $indent . '<ul' . $ulClass . '>' . self::EOL;
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foreach ($active['page'] as $subPage) {
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if (!$this->accept($subPage)) {
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continue;
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}
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$liClass = $subPage->isActive(true) ? ' class="active"' : '';
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$html .= $indent . ' <li' . $liClass . '>' . self::EOL;
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$html .= $indent . ' ' . $this->htmlify($subPage) . self::EOL;
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$html .= $indent . ' </li>' . self::EOL;
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}
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$html .= $indent . '</ul>';
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return $html;
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}
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/**
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* Renders a normal menu (called from {@link renderMenu()})
|
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*
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* @param Zend_Navigation_Container $container container to render
|
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* @param string $ulClass CSS class for first UL
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* @param string $indent initial indentation
|
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* @param int|null $minDepth minimum depth
|
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* @param int|null $maxDepth maximum depth
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* @param bool $onlyActive render only active branch?
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* @return string
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*/
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protected function _renderMenu(Zend_Navigation_Container $container,
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$ulClass,
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$indent,
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$minDepth,
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$maxDepth,
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$onlyActive)
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{
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$html = '';
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// find deepest active
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if ($found = $this->findActive($container, $minDepth, $maxDepth)) {
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$foundPage = $found['page'];
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$foundDepth = $found['depth'];
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} else {
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$foundPage = null;
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}
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// create iterator
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$iterator = new RecursiveIteratorIterator($container,
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RecursiveIteratorIterator::SELF_FIRST);
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if (is_int($maxDepth)) {
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$iterator->setMaxDepth($maxDepth);
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}
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// iterate container
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$prevDepth = -1;
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foreach ($iterator as $page) {
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$depth = $iterator->getDepth();
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$isActive = $page->isActive(true);
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if ($depth < $minDepth || !$this->accept($page)) {
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// page is below minDepth or not accepted by acl/visibilty
|
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continue;
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} else if ($onlyActive && !$isActive) {
|
||
|
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// page is not active itself, but might be in the active branch
|
||
|
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$accept = false;
|
||
|
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if ($foundPage) {
|
||
|
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if ($foundPage->hasPage($page)) {
|
||
|
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// accept if page is a direct child of the active page
|
||
|
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$accept = true;
|
||
|
|
} else if ($foundPage->getParent()->hasPage($page)) {
|
||
|
|
// page is a sibling of the active page...
|
||
|
|
if (!$foundPage->hasPages() ||
|
||
|
|
is_int($maxDepth) && $foundDepth + 1 > $maxDepth) {
|
||
|
|
// accept if active page has no children, or the
|
||
|
|
// children are too deep to be rendered
|
||
|
|
$accept = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$accept) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// make sure indentation is correct
|
||
|
|
$depth -= $minDepth;
|
||
|
|
$myIndent = $indent . str_repeat(' ', $depth);
|
||
|
|
|
||
|
|
if ($depth > $prevDepth) {
|
||
|
|
// start new ul tag
|
||
|
|
if ($ulClass && $depth == 0) {
|
||
|
|
$ulClass = ' class="' . $ulClass . '"';
|
||
|
|
} else {
|
||
|
|
$ulClass = '';
|
||
|
|
}
|
||
|
|
$html .= $myIndent . '<ul' . $ulClass . '>' . self::EOL;
|
||
|
|
} else if ($prevDepth > $depth) {
|
||
|
|
// close li/ul tags until we're at current depth
|
||
|
|
for ($i = $prevDepth; $i > $depth; $i--) {
|
||
|
|
$ind = $indent . str_repeat(' ', $i);
|
||
|
|
$html .= $ind . ' </li>' . self::EOL;
|
||
|
|
$html .= $ind . '</ul>' . self::EOL;
|
||
|
|
}
|
||
|
|
// close previous li tag
|
||
|
|
$html .= $myIndent . ' </li>' . self::EOL;
|
||
|
|
} else {
|
||
|
|
// close previous li tag
|
||
|
|
$html .= $myIndent . ' </li>' . self::EOL;
|
||
|
|
}
|
||
|
|
|
||
|
|
// render li tag and page
|
||
|
|
$liClass = $isActive ? ' class="active"' : '';
|
||
|
|
$html .= $myIndent . ' <li' . $liClass . '>' . self::EOL
|
||
|
|
. $myIndent . ' ' . $this->htmlify($page) . self::EOL;
|
||
|
|
|
||
|
|
// store as previous depth for next iteration
|
||
|
|
$prevDepth = $depth;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($html) {
|
||
|
|
// done iterating container; close open ul/li tags
|
||
|
|
for ($i = $prevDepth+1; $i > 0; $i--) {
|
||
|
|
$myIndent = $indent . str_repeat(' ', $i-1);
|
||
|
|
$html .= $myIndent . ' </li>' . self::EOL
|
||
|
|
. $myIndent . '</ul>' . self::EOL;
|
||
|
|
}
|
||
|
|
$html = rtrim($html, self::EOL);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $html;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Renders helper
|
||
|
|
*
|
||
|
|
* Renders a HTML 'ul' for the given $container. If $container is not given,
|
||
|
|
* the container registered in the helper will be used.
|
||
|
|
*
|
||
|
|
* Available $options:
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* @param Zend_Navigation_Container $container [optional] container to
|
||
|
|
* create menu from. Default
|
||
|
|
* is to use the container
|
||
|
|
* retrieved from
|
||
|
|
* {@link getContainer()}.
|
||
|
|
* @param array $options [optional] options for
|
||
|
|
* controlling rendering
|
||
|
|
* @return string rendered menu
|
||
|
|
*/
|
||
|
|
public function renderMenu(Zend_Navigation_Container $container = null,
|
||
|
|
array $options = array())
|
||
|
|
{
|
||
|
|
if (null === $container) {
|
||
|
|
$container = $this->getContainer();
|
||
|
|
}
|
||
|
|
|
||
|
|
$options = $this->_normalizeOptions($options);
|
||
|
|
|
||
|
|
if ($options['onlyActiveBranch'] && !$options['renderParents']) {
|
||
|
|
$html = $this->_renderDeepestMenu($container,
|
||
|
|
$options['ulClass'],
|
||
|
|
$options['indent'],
|
||
|
|
$options['minDepth'],
|
||
|
|
$options['maxDepth']);
|
||
|
|
} else {
|
||
|
|
$html = $this->_renderMenu($container,
|
||
|
|
$options['ulClass'],
|
||
|
|
$options['indent'],
|
||
|
|
$options['minDepth'],
|
||
|
|
$options['maxDepth'],
|
||
|
|
$options['onlyActiveBranch']);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $html;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Renders the inner-most sub menu for the active page in the $container
|
||
|
|
*
|
||
|
|
* This is a convenience method which is equivalent to the following call:
|
||
|
|
* <code>
|
||
|
|
* renderMenu($container, array(
|
||
|
|
* 'indent' => $indent,
|
||
|
|
* 'ulClass' => $ulClass,
|
||
|
|
* 'minDepth' => null,
|
||
|
|
* 'maxDepth' => null,
|
||
|
|
* 'onlyActiveBranch' => true,
|
||
|
|
* 'renderParents' => false
|
||
|
|
* ));
|
||
|
|
* </code>
|
||
|
|
*
|
||
|
|
* @param Zend_Navigation_Container $container [optional] container to
|
||
|
|
* render. Default is to render
|
||
|
|
* the container registered in
|
||
|
|
* the helper.
|
||
|
|
* @param string $ulClass [optional] CSS class to
|
||
|
|
* use for UL element. Default
|
||
|
|
* is to use the value from
|
||
|
|
* {@link getUlClass()}.
|
||
|
|
* @param string|int $indent [optional] indentation as
|
||
|
|
* a string or number of
|
||
|
|
* spaces. Default is to use
|
||
|
|
* the value retrieved from
|
||
|
|
* {@link getIndent()}.
|
||
|
|
* @return string rendered content
|
||
|
|
*/
|
||
|
|
public function renderSubMenu(Zend_Navigation_Container $container = null,
|
||
|
|
$ulClass = null,
|
||
|
|
$indent = null)
|
||
|
|
{
|
||
|
|
return $this->renderMenu($container, array(
|
||
|
|
'indent' => $indent,
|
||
|
|
'ulClass' => $ulClass,
|
||
|
|
'minDepth' => null,
|
||
|
|
'maxDepth' => null,
|
||
|
|
'onlyActiveBranch' => true,
|
||
|
|
'renderParents' => false
|
||
|
|
));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Renders the given $container by invoking the partial view helper
|
||
|
|
*
|
||
|
|
* The container will simply be passed on as a model to the view script
|
||
|
|
* as-is, and will be available in the partial script as 'container', e.g.
|
||
|
|
* <code>echo 'Number of pages: ', count($this->container);</code>.
|
||
|
|
*
|
||
|
|
* @param Zend_Navigation_Container $container [optional] container to
|
||
|
|
* pass to view script. Default
|
||
|
|
* is to use the container
|
||
|
|
* registered in the helper.
|
||
|
|
* @param string|array $partial [optional] partial view
|
||
|
|
* script to use. Default is to
|
||
|
|
* use the partial registered
|
||
|
|
* in the helper. If an array
|
||
|
|
* is given, it is expected to
|
||
|
|
* contain two values; the
|
||
|
|
* partial view script to use,
|
||
|
|
* and the module where the
|
||
|
|
* script can be found.
|
||
|
|
* @return string helper output
|
||
|
|
*/
|
||
|
|
public function renderPartial(Zend_Navigation_Container $container = null,
|
||
|
|
$partial = null)
|
||
|
|
{
|
||
|
|
if (null === $container) {
|
||
|
|
$container = $this->getContainer();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (null === $partial) {
|
||
|
|
$partial = $this->getPartial();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (empty($partial)) {
|
||
|
|
require_once 'Zend/View/Exception.php';
|
||
|
|
$e = new Zend_View_Exception(
|
||
|
|
'Unable to render menu: No partial view script provided'
|
||
|
|
);
|
||
|
|
$e->setView($this->view);
|
||
|
|
throw $e;
|
||
|
|
}
|
||
|
|
|
||
|
|
$model = array(
|
||
|
|
'container' => $container
|
||
|
|
);
|
||
|
|
|
||
|
|
if (is_array($partial)) {
|
||
|
|
if (count($partial) != 2) {
|
||
|
|
require_once 'Zend/View/Exception.php';
|
||
|
|
$e = new Zend_View_Exception(
|
||
|
|
'Unable to render menu: A view partial supplied as '
|
||
|
|
. 'an array must contain two values: partial view '
|
||
|
|
. 'script and module where script can be found'
|
||
|
|
);
|
||
|
|
$e->setView($this->view);
|
||
|
|
throw $e;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->view->partial($partial[0], $partial[1], $model);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->view->partial($partial, null, $model);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Zend_View_Helper_Navigation_Helper:
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Renders menu
|
||
|
|
*
|
||
|
|
* Implements {@link Zend_View_Helper_Navigation_Helper::render()}.
|
||
|
|
*
|
||
|
|
* If a partial view is registered in the helper, the menu will be rendered
|
||
|
|
* using the given partial script. If no partial is registered, the menu
|
||
|
|
* will be rendered as an 'ul' element by the helper's internal method.
|
||
|
|
*
|
||
|
|
* @see renderPartial()
|
||
|
|
* @see renderMenu()
|
||
|
|
*
|
||
|
|
* @param Zend_Navigation_Container $container [optional] container to
|
||
|
|
* render. Default is to
|
||
|
|
* render the container
|
||
|
|
* registered in the helper.
|
||
|
|
* @return string helper output
|
||
|
|
*/
|
||
|
|
public function render(Zend_Navigation_Container $container = null)
|
||
|
|
{
|
||
|
|
if ($partial = $this->getPartial()) {
|
||
|
|
return $this->renderPartial($container, $partial);
|
||
|
|
} else {
|
||
|
|
return $this->renderMenu($container);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|