Here is a complete working solution that will replace all add-to-cart buttons for your defined product category and simple products only, by a custom "read more"
button.
This code is tested and works on WooCommerce versions from 2.6.x to 3.0+:
// Replacing add-to-cart button in shop pages and archives pages
add_filter( 'woocommerce_loop_add_to_cart_link',
'quantity_inputs_for_woocommerce_loop_add_to_cart_link', 10, 2 );
function quantity_inputs_for_woocommerce_loop_add_to_cart_link( $html, $product ) {
// WooCommerce compatibility
if ( method_exists( $product, 'get_id' ) ) {
$product_id = $product->get_id();
} else {
$product_id = $product->id;
}
if ( has_term( 'categ1', 'product_cat', $product_id ) && $product->is_type( 'simple') ) {
// Set HERE your button link
$link = get_permalink($product_id);
$html = '<a href="'.$link.'" class="button alt add_to_cart_button">'.__("Read More", "woocommerce").'</a>';
}
return $html;
}
// Outputing a custom button in Single product pages (you need to set the button link)
function single_product_custom_button( ) {
global $product;
// WooCommerce compatibility
if ( method_exists( $product, 'get_id' ) ) {
$product_id = $product->get_id();
} else {
$product_id = $product->id;
}
if ( has_term( 'categ1', 'product_cat', $product_id ) ) {
// Set HERE your button link
$link = '#';
echo '<a href="'.$link.'" class="button alt add_to_cart_button">'.__("Read More", "woocommerce").'</a>';
}
}
// Replacing add-to-cart button in Single product pages
add_action( 'woocommerce_single_product_summary', 'removing_addtocart_buttons', 1 );
function removing_addtocart_buttons()
{
global $product;
// WooCommerce compatibility
if ( method_exists( $product, 'get_id' ) ) {
$product_id = $product->get_id();
} else {
$product_id = $product->id;
}
if ( has_term( 'categ1', 'product_cat', $product_id ) )
{
#### Removing the add-to-cart button ####
## Simple products
remove_action( 'woocommerce_simple_add_to_cart', 'woocommerce_simple_add_to_cart', 30 );
## Other products types
// remove_action( 'woocommerce_grouped_add_to_cart', 'woocommerce_grouped_add_to_cart', 30 );
// remove_action( 'woocommerce_variable_add_to_cart', 'woocommerce_variable_add_to_cart', 30 );
// remove_action( 'woocommerce_external_add_to_cart', 'woocommerce_external_add_to_cart', 30 );
// remove_action( 'woocommerce_single_product_summary', 'woocommerce_template_single_add_to_cart', 30 );
// remove_action( 'woocommerce_single_variation', 'woocommerce_single_variation_add_to_cart_button', 20 );
#### Adding a custom replacement button ####
## Simple products
add_action( 'woocommerce_simple_add_to_cart', 'single_product_custom_button', 30 );
## Other products types
// add_action( 'woocommerce_grouped_add_to_cart', 'single_product_custom_button', 30 );
// add_action( 'woocommerce_variable_add_to_cart', 'single_product_custom_button', 30 );
// add_action( 'woocommerce_external_add_to_cart', 'single_product_custom_button', 30 );
// add_action( 'woocommerce_single_product_summary', 'single_product_custom_button', 30 );
// add_action( 'woocommerce_single_variation', 'single_product_custom_button', 20 );
}
}
Code goes in function.php file of your active child theme (or theme) or also in any plugin file.