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Usibility wise I think it would be great to allow the user to page back and forward through the products in the order they displayed on the product list page/category page (sort by order as well).
I gave it a go and came up with the following solution - would appreciate it if anyone could better the code:
In the list template I created a session variable that holds all the product url’s of the products listed:
.../templates/catalog/product/list.phtml after the 1st else statement around line #36
<?php
$prodPgNavArr = array();
$i=0; foreach ($_productCollection as $_product) {
$prodPgNavArr[$i] = $_product->getProductUrl();
$i++;
}
// put the array in a session variable
$_SESSION['prodPgNav']=$prodPgNavArr;
?>
and retrieve these on the product page and conditionally display ‘previous’ and ‘next’ links:
.../templates/catalog/product/view/media.phtml at the top:
<?php
// get current product URl
$currentPath = "http://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
//
$prodPgNavArr = $_SESSION['prodPgNav'];
// loop through the session array to find index of current product in product list/array
foreach($prodPgNavArr as $key=>$value) {
if($currentPath == $value) {
$prevIndex = $key - 1;
$nextIndex = $key + 1;
}
}
if (isset($prevIndex) && $prevIndex!=-1) {
echo "<div>“ <a href='$prodPgNavArr[$prevIndex]'>previous</a></div>";
}
if (isset($nextIndex) && $nextIndex<sizeof($prodPgNavArr)) {
echo "<div>” <a href='$prodPgNavArr[$nextIndex]'>next</a></div>";
}
?>
Okay this works, but only lists the first 8 products from my product listing page, because that’s what I set my listing limit per page at. Instead I would appreciate advice on how to retrieve ALL the products in the listing.
I hope this makes sense. If there’s a better (object orientated) way of solving this, please let me know.
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