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编辑当前文件:/home/qrafawbu/kwesioben.com/accufy/assets/admin/js/jquery.invoice.js

(function (jQuery) {
    $.opt = {};  // jQuery Object

jQuery.fn.invoice = function (options) {
        var ops = jQuery.extend({}, jQuery.fn.invoice.defaults, options);
        $.opt = ops;

var inv = new Invoice();
        inv.init();

jQuery('body').on('click', function (e) {
            var cur = e.target.id || e.target.className;

if (cur == $.opt.addRow.substring(1))
                inv.newRow();

if (cur == $.opt.delete.substring(1))
                inv.deleteRow(e.target);

inv.init();
        });

jQuery('body').on('keyup', function (e) {
            inv.init();
        });

return this;
    };
}(jQuery));

function Invoice() {
    self = this;
}

Invoice.prototype = {
    constructor: Invoice,

init: function () {
        this.calcTax();
        this.calcTotal();
        this.calcTotalQty();
        this.calcSubtotal();
        this.calcGrandTotal();
    },

/**
     * Calculate total price of an item.
     *
     * @returns {number}
     */
    calcTotal: function () {
         jQuery($.opt.parentClass).each(function (i) {
             var row = jQuery(this);
             var total = row.find($.opt.price).val() * row.find($.opt.qty).val();

total = self.roundNumber(total, 2);

row.find($.opt.total).html(total);
             row.find($.opt.total).val(total);
         });

return 1;
     },
	
    /***
     * Calculate total quantity of an order.
     *
     * @returns {number}
     */
    calcTotalQty: function () {
         var totalQty = 0;
         jQuery($.opt.qty).each(function (i) {
             var qty = jQuery(this).val();
             if (!isNaN(qty)) totalQty += Number(qty);
         });

totalQty = self.roundNumber(totalQty, 2);

jQuery($.opt.totalQty).html(totalQty);

return 1;
     },

/***
     * Calculate subtotal of an order.
     *
     * @returns {number}
     */
    calcSubtotal: function () {
         var subtotal = 0;
         jQuery($.opt.total).each(function (i) {
             var total = jQuery(this).html();
             if (!isNaN(total)) subtotal += Number(total);
         });

var browser = jQuery('#browser').val();
         if (browser == 'Firefox') {
            subtotal = subtotal/2;
         }
         
         subtotal = self.roundNumber(subtotal, 2);

jQuery($.opt.subtotal).html(subtotal);
         jQuery('.subtotal').val(subtotal);

return 1;
     },

/***
     * Calculate tax.
     *
     * @returns {number}
     */

calcTax: function () {
         var tdd = jQuery('.total_tax').val();
        
        if (tdd == 0.00) {

var totaltax = 0;
            jQuery($.opt.tax).each(function (i) {
                var tax = jQuery(this).val();
                if (!isNaN(tax)) totaltax += Number(tax);
            });

totaltax = self.roundNumber(totaltax, 2);
            jQuery('.total_tax').val(totaltax);
             
            return 1;

}else{
            var totaltax = 0;
            jQuery($.opt.tax).each(function (i) {
                var tax = jQuery(this).val();
                if (!isNaN(tax)) totaltax += Number(tax);
            });

totaltax = self.roundNumber(totaltax, 2);
            jQuery('.total_tax').val(totaltax);
             
            return 1;
        }
    },

/**
     * Calculate grand total of an order.
     *
     * @returns {number}
     */
    calcGrandTotal: function () {

var total_discount = Number(jQuery($.opt.discount).val());
        var tax = jQuery($.opt.total_tax).val();

var grandTotal = Number(jQuery($.opt.subtotal).html()) - (Number(jQuery($.opt.subtotal).html()) * (Number(total_discount)/100));

var finalTotal = grandTotal + (grandTotal * (Number(tax)/100));

grandTotal = self.roundNumber(finalTotal, 2);
        
        jQuery($.opt.grandTotal).html(grandTotal);
        jQuery('.grandtotal').val(grandTotal);
        return 1;
    },

/**
     * Add a row.
     *
     * @returns {number}
     */
    newRow: function () {
        jQuery(".item-row:last").after(`
            <tr class="item-row new-item">
                <td width="30%" class="item-name">
                    <input type="text" name="items[]" class="form-control item ws-180" placeholder="Item" type="text">
                </td>
                <td width="30%">
                    <textarea name="details[]" class="form-control ac-textarea ws-180" rows="1" placeholder=""></textarea>
                </td>
                <td width="15%"><input class="form-control price invo ws-100" name="price[]" placeholder="Price" type="text" value="0.00"> </td>
                <td width="10%"><input class="form-control qty ws-100" name="quantity[]" placeholder="Qty" type="text" value="1"></td>
                <td width="15%"><div class="delete-btn"><span class="currency_wrapper"></span><span class="total">0.00</span><a class="delete" href="javascript:;" title="Remove row">×</a><input type="hidden" class="total" name="total_price[]" value=""><input type="hidden" name="product_ids[]" value="0"></div></td>
            </tr>`);
        if (jQuery($.opt.delete).length > 0) {
            jQuery($.opt.delete).show();
        }

return 1;
    },

/**
     * Delete a row.
     *
     * @param elem   current element
     * @returns {number}
     */
    deleteRow: function (elem) {
        jQuery(elem).parents($.opt.parentClass).remove();

if (jQuery($.opt.delete).length < 2) {
            jQuery($.opt.delete).hide();
        }

return 1;
    },

/**
     * Round a number.
     * Using: http://www.mediacollege.com/internet/javascript/number/round.html
     *
     * @param number
     * @param decimals
     * @returns {*}
     */
    roundNumber: function (number, decimals) {
        var newString;// The new rounded number
        decimals = Number(decimals);

if (decimals < 1) {
            newString = (Math.round(number)).toString();
        } else {
            var numString = number.toString();

if (numString.lastIndexOf(".") == -1) {// If there is no decimal point
                numString += ".";// give it one at the end
            }

var cutoff = numString.lastIndexOf(".") + decimals;// The point at which to truncate the number
            var d1 = Number(numString.substring(cutoff, cutoff + 1));// The value of the last decimal place that we'll end up with
            var d2 = Number(numString.substring(cutoff + 1, cutoff + 2));// The next decimal, after the last one we want

if (d2 >= 5) {// Do we need to round up at all? If not, the string will just be truncated
                if (d1 == 9 && cutoff > 0) {// If the last digit is 9, find a new cutoff point
                    while (cutoff > 0 && (d1 == 9 || isNaN(d1))) {
                        if (d1 != ".") {
                            cutoff -= 1;
                            d1 = Number(numString.substring(cutoff, cutoff + 1));
                        } else {
                            cutoff -= 1;
                        }
                    }
                }

d1 += 1;
            }

if (d1 == 10) {
                numString = numString.substring(0, numString.lastIndexOf("."));
                var roundedNum = Number(numString) + 1;
                newString = roundedNum.toString() + '.';
            } else {
                newString = numString.substring(0, cutoff) + d1.toString();
            }
        }

if (newString.lastIndexOf(".") == -1) {// Do this again, to the new string
            newString += ".";
        }

var decs = (newString.substring(newString.lastIndexOf(".") + 1)).length;

for (var i = 0; i < decimals - decs; i++)
            newString += "0";
        //var newNumber = Number(newString);// make it a number if you like

return newString; // Output the result to the form field (change for your purposes)
    }
};

/**
 *  Publicly accessible defaults.
 */
jQuery.fn.invoice.defaults = {
    addRow: "#addRow",
    delete: ".delete",
    parentClass: ".item-row",

price: ".price",
    qty: ".qty",
    total: ".total",
    totalQty: "#totalQty",

subtotal: "#subtotal",
    discount: "#discount",
    tax: ".tax",
    total_tax: ".total_tax",
    taxId: "#tax_id",
    shipping: "#shipping",
    grandTotal: "#grandTotal"
};