//----------------------------------------------------------------
// Definition of new Product Object
// 'new' will create a new instace of object and set parameter data into object
function Product(code, name, price, items, dest, qty, limit) {
this.code = code; // product code - written to cookie, used to recreate shopping basket from cookie
this.name = name; // product name - displayed on order
this.price = price; // product price
this.items = items; // Number of items in product - used for shipping calculations. Only 4 items/shipment
this.dest = dest; // Permitted shipping destinations - ALL or list of permitted destinations
this.qty = qty; // number of products selected
this.limit = limit; // limit on number of items for this product (Lemon Myrtle is 2, others 4)
return this;
}
//----------------------------------------------------------------
// Definition of new Shipping Object
// 'new' will create a new instace of object and set parameter data into object
function ShippingPrice(name, prices) {
this.name = name;
this.pricePerItem = String(prices).split(",");
return this;
}
//----------------------------------------------------------------
// Global variables
var myCart = new Array();
var myCatalog = new Array();
var myShipping = new Array();
var numShipItems = 0;
var totalProductPrice = 0.00;
var totalShipping = 0.00;
var shippingDestination = getDestination();
function setDestination(index) {
shippingDestination = index;
writeCookie("ship", shippingDestination, 24);
}
function getDestination() {
var dest = readCookie("ship");
if (dest == "" || dest == null || dest == "undefined") {
dest = 0;
}
return dest;
}
function addToShippingPrices(dest, prices) {
myShipping[ myShipping.length ] = new ShippingPrice(dest, prices);
}
function addToCatalog(code, name, price, items, dest, qty, limit) {
myCatalog[ myCatalog.length ] = new Product(code, name, price, items, dest, qty, limit);
}
function findProductInCatalog(code) {
for (var i = 0; i < myCatalog.length; i++) {
if (myCatalog[ i ].code == code) {
return myCatalog[ i ];
}
}
return -1;
}
function findItemInCart(code) {
for (var i = 0; i < myCart.length; i++) {
if (myCart[ i ].code == code) {
return i;
}
}
return -1;
}
function createCartFromCookie() {
var prodParams;
var thisProd;
var cart = readCookie("cart");
// Individual products are separated by the | character
if (cart != "")cart = cart.split("|");
for (var i = 0; i < cart.length; i++) {
// Product info separated by "," - code,qty
prodParams = cart[i].split(",");
thisProd = findProductInCatalog(prodParams[0]);
myCart[ i ] = thisProd;
myCart[ i ].qty = prodParams[1];
}
}
function saveCartToCookie() {
var cart = "";
for (var i = 0; i < myCart.length; i++) {
// Add product delimeter "|"
cart += (cart.length > 0 )? "|" : "";
// Add product code,qty
cart += myCart[ i ].code + "," + myCart[ i ].qty;
}
writeCookie("cart", cart, 24);
}
function addToCart(form, code, selectQty) {
// Retrieve Product Code from selection box
var obj = eval("form."+code);
// Get reference to product object from catalog
var thisProd = findProductInCatalog(obj.options[obj.selectedIndex].value);
var cartNo = findItemInCart(obj.options[obj.selectedIndex].value);
// Retrieve Qty from selection box
obj = eval("form."+selectQty);
// if Product in Catalog but not already in Cart - Add to Cart
if (thisProd && cartNo < 0) {
var num = myCart.length;
myCart[ num ] = thisProd;
myCart[ num ].qty = obj.options[obj.selectedIndex].text;
} else if (thisProd && cartNo >= 0) {
myCart[cartNo].qty = obj.options[obj.selectedIndex].text;
}
saveCartToCookie();
}
function deleteItemFromCart(itemNo) {
// Delete item from Cart array
for (var i = itemNo; i < myCart.length-1; i++)
{
myCart[i] = myCart[i+1];
}
myCart.length -= 1;
}
function updateItemInCart(itemNo, form, selectQty) {
// Retrieve Qty from selection box
var obj = eval("form."+selectQty);
var qty = parseFloat(obj.options[obj.selectedIndex].text);
if (qty > 0 ) {
myCart[ itemNo ].qty = qty;
} else {
deleteItemFromCart(itemNo);
}
saveCartToCookie();
}
function clearOrder() {
writeCookie("cart", "", 24);
}
function refreshPage() {
// Remove any anchor tags from URL so page will always re-display from the top
var strURL = window.location.href;
var pgAnchor = strURL.indexOf("#");
if (pgAnchor >=0)strURL = strURL.substr(0, pgAnchor);
window.location.href = strURL;
}
//----------------------------------------------------------
//-- calculate the extra postage costs for 1kg packs
// -- only use the 1kg packs if the product codes are found in the shopping cart
//----------------------------------------------------------
//----------------------------------------------------------------
// Calculate order prices
//
function calculateProductAndShippingCosts() {
// Re-set value
totalProductPrice = 0;
totalShipping = 0;
numShipItems = 0;
for (var i = 0; i < myCart.length; i++) {
totalProductPrice += parseFloat(myCart[ i ].price * myCart[ i ].qty);
numShipItems += Math.ceil(parseFloat(myCart[ i ].qty * myCart[ i ].items));
}
if ( numShipItems > 0 && numShipItems < 5) {
totalShipping = parseFloat(myShipping[shippingDestination].pricePerItem[numShipItems-1]);
} else {
totalShipping = "NA";
}
}
//----------------------------------------------------------------
// Generate HTML code for Basket and Order pages
//
function getCartProductPriceHTML() {
var strHMTL = "";
strHMTL += '';
strHMTL += "$" + totalProductPrice.toFixed(2);
return strHMTL;
}
function getCheckoutBtnOrErrMsgHTML() {
var strMsg = "";
var strHTML = "";
if (numShipItems >= 5) {
strMsg += "You have 5 or more items in your basket. Please place separate orders or contact us for shipping costs.";
} else if (numShipItems == 0) {
strMsg += "Please add one of our wonderful products to your shopping basket.";
}
// Check if any products in basket can't be shipped to selected destination
for (var i=0; i < myCart.length; i++) {
// Product delivery is restricted and selected shipping destination zone is not in allowed list
if (myCart[i].dest != "ALL" && String(myCart[i].dest).indexOf(myShipping[shippingDestination].name) < 0) {
strMsg += "Some Products in your basket can not be shipped to your selected destination";
break;
}
}
if (strMsg != "") {
strHTML = '
'+strMsg+'
';
} else {
strHTML = '
';
strHTML += '
';
}
return strHTML;
}
function getCartShippingPriceHTML() {
var strHTML = "";
if (isNaN(totalShipping)) {
strHTML += '$0.00';
} else {
strHTML += '$';
strHTML += parseFloat(totalShipping).toFixed(2);
}
return strHTML;
}
function getCartTotalPriceHTML() {
var strHTML = "";
if (isNaN(totalShipping)) {
strHTML += '$0.00';
} else {
strHTML += '$';
strHTML += parseFloat(totalShipping+totalProductPrice).toFixed(2);
}
return strHTML;
}
function getCartBasketPageHTML() {
var strHTML = "";
if (myCart.length > 0) {
for (var i = 0; i < myCart.length; i++) {
strHTML += "