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In this article I'll discuss about the Filterable Attribute in drop down format in Layered navigation in Magnto.
For this you have to follow below steps:-
1. Find the following folder location under app/design/frontend/package/theme/template/catalog/layer.
2. Go to the filter.phtml and replace the code with the following code:
[php]
<?php
//either dropdown list or default method (ordered list)
$attributeName = $this->getName();//Get the atrribute name
$itemcountthreshold = 1; // you can change
$itemcount = $this->getItemsCount();//Get the number of items under each subcategories
$displayitemcount = true; //set to true/false to display item count in brackets
//check if the items under a subcategory greater than the number of items count you specified.
if($itemcount > $itemcountthreshold){
$attributeName = "Overthreshold";
}
//Make the atrributes to appear in a list format
if(!function_exists("_displayOrderedlist")){
function _displayOrderedlist($atts,$displayitemcount){
echo '<ol>';
foreach($atts->getItems() as $_item){
echo '<li><a href="'.$_item->getUrl().'">'.$_item->getLabel().'</a>';
if($displayitemcount){
echo ' ('.$_item->getCount().')';
}
echo '</li>';
}
echo '</ol>';
}
}
//Make the atrributes to appear in a Dropdown format.
if(!function_exists("_displayDropdown"))
{
function _displayDropdown($atts,$displayitemcount)
{
echo '<select id="layered-select" class="select" name="layered-select"
onchange="if (this.selectedIndex > 0) location.href=this[this.selectedIndex].value;">';
echo '<option selected="selected">Please select</option>';
foreach ($atts->getItems() as $_item)
{
echo '<option value="'.$_item->getUrl().'">';
echo $_item->getLabel();
if($displayitemcount)
{
echo ' ('.$_item->getCount().')';
}
echo '</option>';
}
echo '</select>';
}
}
switch ($attributeName)
{
case 'Overthreshold':
_displayDropdown($this,$displayitemcount);
break;
default:
_displayOrderedlist($this,$displayitemcount);
break;
}
?>
[/php]
