// Shopping cart ajax JS
// keys besides the number pad and QWERTY numbers to allow press events for in numeric text box inputs
goodKeys = new Array(9, 13, 8, 36, 37, 38, 39, 40);
pass = false;
$(document).ready(function() {
// Some div formatting
    $('#sidebar .sidebar_inner').height($('#content, .content').height() > $('#sidebar').height() ? $('#content, .content').height() - 10 : $('.sidebar_inner').height());
    $('#feature_panel_area').height($('#content, .content').height() < $('#sidebar').height() ?   $('#sidebar').height() - $('#slideshow').height() - $('#slideshow_buttons_container').height() - 20 : $('#feature_panel_area').height());
// Other layout fixes
    $('.blog_page-archive .link_inline .link a,.blog_page-main .link_inline .link a').text('Read More');
    $('.blog_page-archive li.clearwithin, .blog_page-main li.clearwithin').each(function(index, li) {
            el = $(li).children('.content').children('.creation_date');
            al = $(li).children('.content').children('.description');
            al.before(el);
        });
    $('.blog_page-archive ul li .image a img, .blog_page-main ul li .image a img').each(function(index, el) {
            $(el).attr('src', $(el).attr('src').replace('120x', '160x115'));
     });
    $('.page-blog .blog.blog_page-post .image').css('margin-bottom', ($('.page-blog .blog.blog_page-post .image .caption').height()+20))
    $('input#quicksearch_field').focus(function(event){
        if ($(event.target).attr('value') == 'Search...') {
            $(event.target).css('color', 'black');
            $(event.target).css('font-style', 'normal');
            $(event.target).attr('value', '');
        }
    });
// Shopping pages
    // Preload images for product descriptions
    $.each($('.src'), function(index, value) {
        $.preLoadImages('/custom_images/195x300c/'+$(value).text());
    });
    // Rollover for product description pages
    $('.item_image img').mouseenter(function(event){
        $('.main_image').attr('src', '/custom_images/220x300/'+$(event.target).parents('a').siblings('.src').text());
    });
    $('.item-images').mouseout(function(){
        $('.main_image').attr('src', '/custom_images/220x300/'+$(".main_image_src").text());
    });
    // Numeric-only inputs. Allow things like backspace, delete, and arrow keys.
    // Because Firefox only returns keyCode 0 for the .keypress event, and other browsers don't understand charCode, this is divided into two seperate events.
   $(".numeric_only").keydown(function(event) {
        if (event.keyCode && (jQuery.inArray(event.keyCode, goodKeys) > -1) || (event.keyCode > 47 && event.keyCode < 58) || (event.keyCode > 95 && event.keyCode < 106)) {
           if (event.keyCode == 13) {
               $(event.target).focusNextInputField();
           }
        } else {
           event.preventDefault();
        }
   });
    // We also have to filter for keyup events, and this is where we want to actually update data.
   $(".numeric_only").keyup(function(event) {
        if (event.keyCode && (jQuery.inArray(event.keyCode, goodKeys) > -1) || (event.keyCode > 47 && event.keyCode < 58) || (event.keyCode > 95 && event.keyCode < 106)) {
            if (isNaN(parseInt($(event.target).attr('value'), 10))) {
                qty = 0;
                $(event.target).attr('value', 0);
            } else {
                qty = parseInt($(event.target).attr('value'), 10);
            }
            id = $(event.target).siblings('span.hidden').html();
            $.getJSON("/cart/qty?id="+id+'&qty='+qty,
                function(data) {
                        $('.basket_items').html(data.item_data.count+' item'+(data.item_data.count != 1 ? 's' : '')+' | &pound;'+data.subtotal);
                        $(event.target).parent().parent().siblings('.column_3').children().html('&pound;'+(data.item_data[id].quantity * (data.item_data[id].final_unit_price)).toFixed(2));
                        if ($('.page-checkout').length > 0) {
                            update_form_data(data);
                            update_shipping(data);
                        }
                        update_checkout_totals(data);
                }
            );
        }
    });
// Ajax interfacing with the cart object
    $('.add_to_cart').click(function(event) {
        id = $(event.target).parents('a').siblings('.hidden').text();
        qty = (val = $(event.target).parents('a').siblings('.qty').val()) ? val : $(event.target).parents('td').siblings('td').children('.qty').val();
        $.getJSON("/cart/"+($(event.target).parents('a').hasClass('remove') ? 'remove' : 'add')+"?id="+id+'&qty='+((qty > 0) ? qty : '1'), function(data){update_cart_items(data);});
        $(event.target).html($(event.target).parent().toggleClass('remove').hasClass('remove') ? 'Remove from Basket' : 'Add to Basket');
    });
    $('.update_cart').click(function(event) {
        $.getJSON("/cart/qty?id="+$(event.target).siblings('.hidden').text()+'&qty='+((qty = $(event.target).siblings('.qty').val() > 0) ? qty : '1'), function(data){update_cart_items(data);});
    });
    $('.remove_from_cart').click(function(event) {
        $.getJSON("/cart/remove?id="+(id = $(event.target).parents('a').siblings('.hidden').html()), function(data){
            update_cart_items(data);
            (data.item_data.count == '0') ? window.location.reload() : $('.row_'+id).remove();
            update_checkout_totals(data);
            update_shipping(data);
            update_form_data(data);
        });
    });
    $('.plus, .minus').click(function(event) {
        el = $(event.target).siblings('.numeric_only');
        el.attr('value', qty = parseInt(el.attr('value'), 10) + ($(event.target).hasClass('plus') ? 1 : ((el.attr('value') > 0) ? -1: 0)));
        $.getJSON("/cart/qty?id="+(id = $(event.target).siblings('span.hidden').text())+'&qty='+qty,
            function(data) {
                    update_cart_items(data);
                    $(event.target).parents('.item_row').find('.column_3 .amount').html('&pound;'+(data.item_data[id].quantity * data.item_data[id].final_unit_price).toFixed(2));
                    update_checkout_totals(data);
                    update_shipping(data);
                    update_form_data(data);
        });
    });
    $('#shipping').change(function(event) {
        $.getJSON("/cart/shipping?id="+$(event.target).val(), function(data) { update_shipping(data); });
    });
    // Need both of these in case the checkbox styling fails
    $('span.checkbox').live('click', function(event) { select_delivery(event) });
    $('#special_delivery').change(function(event) { select_delivery(event) });
// Submit to WorldPay
    $('#proceed').click(function(event) {
        //alert($('form#checkout_data_form').serialize());
        if ($('#M_items').attr('value').length < 1) {
            alert('You have no items in your cart.');
        } else {
            $('.error').hasClass('hidden') ? $('form#checkout_data_form').submit() : (($('.error').length > 0) ? alert($('.error').html()) : $(event.target).focus()) ;
        }
    });
});
// Function definitions
function update_cart_items(data){
    $('.basket_items').html(data.item_data.count+' item'+(data.item_data.count != 1 ? 's' : '')+' | &pound;'+data.subtotal);
}
function update_shipping(data) {
    if (data.shipping_data.id == '0') {
        $('.page-checkout .delivery_selection span, .page-checkout  .next_step, .page-checkout .delivery_selection #free_shipping').addClass('hidden');
    } else {
        $('.page-checkout .next_step '+((data.shipping_data.special_delivery_availible == 1) ? ', .delivery_selection span' : ($('.delivery_selection span').addClass('hidden')) ? '' : '' )).removeClass('hidden');
        if (data.shipping_data.free_shipping_threshold > 0) {
            $('.page-checkout .delivery_selection #free_shipping span#threshold').text(data.shipping_data.free_shipping_threshold);
            $('.page-checkout .delivery_selection #free_shipping').removeClass('hidden');
        } else {
            $('.page-checkout .delivery_selection #free_shipping').addClass('hidden');
        }
    }
}
function select_delivery(event) {
    $.getJSON("/cart/special_delivery?d="+($(event.target).parent().children('input').attr('checked') ? '1' : '0'));
}
function update_checkout_totals(data) {
    $('table .subtotal .column_3').html('&pound;'+(data.subtotal_with_vat));
    $('table .discount .column_3').html('&pound;'+data.discount_total);
    $('table .shipping .column_3').html((data.shipping_data.error == '0') ? '&pound;'+data.shipping_data.price : '' );
    $('table .total .column_3').html('&pound;'+data.total);
    if (data.shipping_data.error == '1') {
        $('.error').removeClass('hidden');
        $('#proceed div').css('background-color', '#CCC');
    } else {
        $('.error').addClass('hidden');
        $('#proceed div').css('background-color', '#8CBEC9');
    }
}
function update_form_data(data) {
    $('#M_items_vat').attr('value', data.vat_total);
    $('#amount').attr('value', data.total);
    // Actually is with VAT. Variable name is legacy
    $('#M_subtotal_without_vat').attr('value', data.subtotal);
    $('#M_items').attr('value', data.form_data.M_items)
    $('#M_cus_items').attr('value', data.form_data.M_cus_items);
    $('#desc').attr('value', data.form_data.desc);
    $('#M_shipping_novat').attr('value', data.form_data.M_shipping_novat);
    $('#signature').attr('value', data.form_data.signature);
}
(function($) {
  var cache = [];
  $.preLoadImages = function() {
    var args_len = arguments.length;
    for (var i = args_len; i--;) {
      var cacheImage = document.createElement('img');
      cacheImage.src = arguments[i];
      cache.push(cacheImage);
    }
  }
})(jQuery)
$.fn.focusNextInputField = function() {
    return this.each(function() {
        var fields = $(this).parents('form:eq(0),body').find('button,input,textarea,select,submit');
        var index = fields.index( this );
        if ( index > -1 && ( index + 1 ) < fields.length ) {
            fields.eq( index + 1 ).focus();
        }
        return false;
    });
};
/* Retrieved on 6/6/11 from http://ryanfait.com/resources/custom-checkboxes-and-radio-buttons/
 * "Usage: You are free to share, alter and use this script commercially. Just leave the title, my name and website in tact in the JavaScript script. This script is licensed under a Creative Commons license."
 * http://creativecommons.org/licenses/by-sa/3.0/
 * CUSTOM FORM ELEMENTS, Created by Ryan Fait: www.ryanfait.com */
var checkboxHeight = "20";
var radioHeight = "25";
var selectWidth = "323";
/* No need to change anything after this */
document.write('<style type="text/css">input.styled { display: none; } select.styled { position: relative; width: ' + selectWidth + 'px; opacity: 0; filter: alpha(opacity=0); z-index: 5; } .disabled { opacity: 0.5; filter: alpha(opacity=50); }</style>');
// That previous comment is a lie. Opera fix:
var Opera = /opera/i.test(navigator.userAgent);
var Custom = {
	init: function() {
		var inputs = document.getElementsByTagName("input"), span = Array(), textnode, option, active;
		for(a = 0; a < inputs.length; a++) {
			if((inputs[a].type == "checkbox" || inputs[a].type == "radio") && inputs[a].className == "styled") {
				span[a] = document.createElement("span");
				span[a].className = inputs[a].type;

				if(inputs[a].checked == true) {
					if(inputs[a].type == "checkbox") {
						position = "0 -" + (checkboxHeight*2) + "px";
						span[a].style.backgroundPosition = position;
					} else {
						position = "0 -" + (radioHeight*2) + "px";
						span[a].style.backgroundPosition = position;
					}
				}
				inputs[a].parentNode.insertBefore(span[a], inputs[a]);
				inputs[a].onchange = Custom.clear;
				if(!inputs[a].getAttribute("disabled")) {
					span[a].onmousedown = Custom.pushed;
					span[a].onmouseup = Custom.check;
				} else {
					span[a].className = span[a].className += " disabled";
				}
			}
		}
		inputs = document.getElementsByTagName("select");
		for(a = 0; a < inputs.length; a++) {
			if(inputs[a].className == "styled") {
				option = inputs[a].getElementsByTagName("option");
				active = option[0].childNodes[0].nodeValue;
				textnode = document.createTextNode(active);
				for(b = 0; b < option.length; b++) {
					if(option[b].selected == true) {
						textnode = document.createTextNode(option[b].childNodes[0].nodeValue);
					}
				}
				span[a] = document.createElement("span");
				span[a].className = "select";
				span[a].id = "select" + inputs[a].name;
				span[a].appendChild(textnode);
				inputs[a].parentNode.insertBefore(span[a], inputs[a]);
				if(!inputs[a].getAttribute("disabled")) {
					inputs[a].onchange = Custom.choose;
				} else {
					inputs[a].previousSibling.className = inputs[a].previousSibling.className += " disabled";
				}
			}
		}
                // Opera fix:
                if (Opera) {
                    $('span#select').addClass('hidden');
                }
		document.onmouseup = Custom.clear;
	},
	pushed: function() {
		element = this.nextSibling;
		if(element.checked == true && element.type == "checkbox") {
			this.style.backgroundPosition = "0 -" + checkboxHeight*3 + "px";
		} else if(element.checked == true && element.type == "radio") {
			this.style.backgroundPosition = "0 -" + radioHeight*3 + "px";
		} else if(element.checked != true && element.type == "checkbox") {
			this.style.backgroundPosition = "0 -" + checkboxHeight + "px";
		} else {
			this.style.backgroundPosition = "0 -" + radioHeight + "px";
		}
	},
	check: function() {
		element = this.nextSibling;
		if(element.checked == true && element.type == "checkbox") {
			this.style.backgroundPosition = "0 0";
			element.checked = false;
		} else {
			if(element.type == "checkbox") {
				this.style.backgroundPosition = "0 -" + checkboxHeight*2 + "px";
			} else {
				this.style.backgroundPosition = "0 -" + radioHeight*2 + "px";
				group = this.nextSibling.name;
				inputs = document.getElementsByTagName("input");
				for(a = 0; a < inputs.length; a++) {
					if(inputs[a].name == group && inputs[a] != this.nextSibling) {
						inputs[a].previousSibling.style.backgroundPosition = "0 0";
					}
				}
			}
			element.checked = true;
		}
	},
	clear: function() {
		inputs = document.getElementsByTagName("input");
		for(var b = 0; b < inputs.length; b++) {
			if(inputs[b].type == "checkbox" && inputs[b].checked == true && inputs[b].className == "styled") {
				inputs[b].previousSibling.style.backgroundPosition = "0 -" + checkboxHeight*2 + "px";
			} else if(inputs[b].type == "checkbox" && inputs[b].className == "styled") {
				inputs[b].previousSibling.style.backgroundPosition = "0 0";
			} else if(inputs[b].type == "radio" && inputs[b].checked == true && inputs[b].className == "styled") {
				inputs[b].previousSibling.style.backgroundPosition = "0 -" + radioHeight*2 + "px";
			} else if(inputs[b].type == "radio" && inputs[b].className == "styled") {
				inputs[b].previousSibling.style.backgroundPosition = "0 0";
			}
		}
	},
	choose: function() {
		option = this.getElementsByTagName("option");
		for(d = 0; d < option.length; d++) {
			if(option[d].selected == true) {
				document.getElementById("select" + this.name).childNodes[0].nodeValue = option[d].childNodes[0].nodeValue;
			}
		}
	}
}
window.onload = Custom.init;