Zend View Navigation Helpers. Solving typical problems.
Suppose you want to display the following navigation elements.
Main menu
Submenu of main menu
Breadcrumbs
Solution for main menu clear.
<?= $this->navigation()->menu()->setMaxDepth(0) ?>
Possible solution for submenu of main menu could be so.
<?=
$this->navigation()->menu()->setMaxDepth(1)->SetMinDepth(1)->setOnlyActiveBranch(true)
?>
Now a few of the breadcrumbs.
Suppose that we want to see breadcrumbs of the next request
/catalog/products/view/id/1
as
Catalog > Categories -> Product category > Product 1
As retreat.
We don't declare '/catalog/products' in application.ini as page.
And we don't want display breadcrumbs as
'Catalog > Products > Product 1'
And we don't want display '/catalog/products' in submenu.
Since '/catalog/products' is minor.
'/catalog/products/index' simple redirects to '/catalog/categories'.
Possible solution.
class Catalog_ProductsController extends Zend_Controller_Action
public function init()
{
$this->navigation = $this->_helper->getHelper('Navigation');
}
public function viewAction()
{
$product = ... // find product
// Navigation
$this->navigation->addTo('id', 'catalog-categories', 'm', array(
'id' => 'catalog-categories-view',
'label' => $product['category_name'],
'controller' => 'categories',
'action' => 'view',
'params' => array('id' => $product['category_id'])));
$this->navigation->addTo('id', 'catalog-categories-view', 'mcap', array(
'id' => 'catalog-products-view',
'label' => $product['name']));
And finaly little helper code.
<?php
class My_Controller_Action_Helper_Navigation extends
Zend_Controller_Action_Helper_Abstract
{
protected $_container;
public function __construct()
{
if (Zend_Registry::isRegistered('Zend_Navigation'))
{
$navigation = Zend_Registry::get('Zend_Navigation');
if ($navigation instanceof Zend_Navigation_Container)
{
$this->_container = $navigation;
}
}
}
public function addTo($property, $value, $fillFlags, $options)
{
if(null == $this->_container)
{
return;
}
if(!$page = $this->_container->findOneBy($property, $value))
{
return;
}
$flags = str_split(strtolower(strval($fillFlags)));
foreach($flags as $flag)
{
$request = $this->getFrontController()->getRequest();
switch($flag)
{
case 'a':
$options['action'] =
$request->getActionName();
break;
case 'c':
$options['controller'] =
$request->getControllerName();
break;
case 'm':
$options['module'] =
$request->getModuleName();
break;
case 'p':
$options['params'] =
$request->getParams();
break;
}
}
$page->AddPage(Zend_Navigation_Page::factory($options));
}
public function direct($property, $value, $flags, $options)
{
$this->addTo($property, $value, $flags, $options);
}
}
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