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Add on Product in Cart for Shopify Themes
{% if linklists.add-on-product.links.size > 0 and linklists.add-on-product.links.first.type == 'product_link' %}
<div id="add-on-product" style="clear: left; margin: 30px 0" class="clearfix rte">
<p>
<input type="hidden" name="attributes[add-on-product]" value="" />
<input id="add-on-product" type="checkbox" name="attributes[add-on-product]" value="yes" {% if cart.attributes.add-on-product %} checked="checked"{% endif %} style="float: none" />
<label for="add-on-product" style="display:inline; padding-left: 5px; float: none;">
For {{ linklists.add-on-product.links.first.object.price | money }}
please add {% for link in linklists.add-on-product.links %}
<a href="{{ link.url }}">{{ link.title }}</a>
{% endfor %}
to the order.
</label>
</p>
</div>
{% assign id = linklists.add-on-product.links.first.object.variants.first.id %}
{% assign add_on_in_cart = 0 %}
{% for item in cart.items %}
{% if item.id == id %}
{% assign add_on_in_cart = item.quantity %}
{% endif %}
{% endfor %}
<style>
#updates_{{ id }} { display: none; }
</style>
<script>
Shopify.Cart = Shopify.Cart || {};
Shopify.Cart.AddOnProduct = {};
Shopify.Cart.AddOnProduct.set = function() {
jQuery.ajax({
type: 'POST',
url: '/cart/update.js',
data: { updates: { {{ id }}: 1 }, attributes: { 'add-on-product': true } },
dataType: 'json',
success: function() { location.href = '/cart'; }
});
}
Shopify.Cart.AddOnProduct.remove = function() {
jQuery.ajax({
type: 'POST',
url: '/cart/update.js',
data: { updates: { {{ id }}: 0 }, attributes: { 'add-on-product': '' } },
dataType: 'json',
success: function() { location.href = '/cart'; }
});
}
{% if cart.items.size == 1 and add_on_in_cart > 0 %}
// If we have more than one add-on-product item in the cart.
{% elsif add_on_in_cart > 1 %}
jQuery(function() {
Shopify.Cart.AddOnProduct.set();
});
// If we have a add-on-product item in the cart but our add-on-product cart attribute has not been set.
{% elsif add_on_in_cart > 0 and cart.attributes.add-on-product == blank %}
jQuery(function() {
Shopify.Cart.AddOnProduct.set();
});
// If we have no add-on-product item in the cart but our add-on-product cart attribute has been set.
{% elsif add_on_in_cart == 0 and cart.attributes.add-on-product != blank %}
jQuery(function() {
Shopify.Cart.AddOnProduct.set();
});
{% endif %}
// When the add-on-product checkbox is checked or unchecked.
jQuery(function() {
jQuery('[name="attributes\[add-on-product\]"]').change(function() {
if (jQuery(this).is(':checked')) {
Shopify.Cart.AddOnProduct.set();
}
else {
Shopify.Cart.AddOnProduct.remove();
}
});
});
</script>
{% endif %}
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