Magento – Check if Layered navigation filter is active on Magento

catalogfilterlayered-navigation

I'm having trouble identifying the catalog pages that are in active filters in Magento. I use a rewrite for URLs, are my filters as follows:

http://store.com/brand/foobrand/type/luxe/class/standard

In the Catalog page, I need to know is that the filter page is active or not.

Wherever I looked I thought almost always the same, but could not make it work:

$filters = array();
            $appliedFilters = Mage::getSingleton('catalog/layer')->getState()->getFilters();

            foreach($appliedFilters as $filter) {
                $filters[] = $filter->getFilter()->getRequestVar();
            }

            if (!empty($filters)) {
                //filter active
            }
            if (empty($filters)) {
                //no
            }

Can anyone help me identify where you may be experiencing the problem?

Best Answer

Check This one

  $filters = array();

  $filters = Mage::getSingleton('Mage_Catalog_Block_Layer_State')->getActiveFilters();

  if (!empty($filters)) {
            //filter active
        }
        if (empty($filters)) {
            //no
        }

Related Solutions

Magento – Layered Navigation – altering URLs

In addition to changing the URL which is being rendered, you'll need to rewrite Mage_Catalog_Model_Layer_Filter_Attribute::apply():

/**
 * Apply attribute option filter to product collection
 *
 * @param   Zend_Controller_Request_Abstract $request
 * @param   Varien_Object $filterBlock
 * @return  Mage_Catalog_Model_Layer_Filter_Attribute
 */
public function apply(Zend_Controller_Request_Abstract $request, $filterBlock)
{
    $filter = $request->getParam($this->_requestVar);
    if (is_array($filter)) {
        return $this;
    }
    $text = $this->_getOptionText($filter);
    if ($filter && strlen($text)) {
        $this->_getResource()->applyFilterToCollection($this, $filter);
        $this->getLayer()->getState()->addFilter($this->_createItem($text, $filter));
        $this->_items = array();
    }
    return $this;
}

$this->_getResource()->applyFilterToCollection($this, $filter) is where the ID is passed in. Your change needs to map the option text to the ID prior to this. Something along the lines of the following will get you going:

public function apply(Zend_Controller_Request_Abstract $request, $filterBlock)
{
    $filter = $request->getParam($this->_requestVar);
    if (is_array($filter)) {
        return $this;
    }
    $filter = $this->getAttributeModel()->getSource()->getOptionId($filter);
    $text = $this->_getOptionText($filter);
    if ($filter && strlen($text)) {
        $this->_getResource()->applyFilterToCollection($this, $filter);
        $this->getLayer()->getState()->addFilter($this->_createItem($text, $filter));
        $this->_items = array();
    }
    return $this;
}

I'm a bit concerned as to what effect this will have on caching, etc. but at least this will head you down the road to a solution.

Magento – Change Layered Navigation Filter Output

The output of $_filter->getHtml() can be found in app/design/frontend/base/default/template/catalog/layer/filter.phtml (filter items).

Best Answer

Related Solutions

Magento – Layered Navigation – altering URLs

Magento – Change Layered Navigation Filter Output

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