javscript

var i=$('table tr').length;
$(".addmore").on('click',function(){
    var kode = $("#kode_pembelian").val();
    $(".kode").val(kode);
    html = '<tr>';
    html += '<td><input class="case" type="checkbox"/></td>';
    html += '<td><input type="text" data-type="id_barang" name="itemNo[]" id="itemNo_'+i+'" class="form-control autocomplete_txt" autocomplete="off"><input type="hidden"  name="kode[]" class="kode" value="'+kode+'"  > </td>';
    html += '<td><input type="text" data-type="nama_barang" name="itemName[]" id="itemName_'+i+'" class="form-control autocomplete_txt" autocomplete="off" readonly></td>';
    html += '<td><input type="text"  name="StockName[]" id="StockName_'+i+'" class="form-control autocomplete_txt stock" autocomplete="off" readonly></td>';
    html += '<td><input type="text" name="price[]" id="price_'+i+'" class="form-control changesNo" autocomplete="off" onkeypress="return IsNumeric(event);" ondrop="return false;" onpaste="return false;"></td>';
    html += '<td><input type="text" name="quantity[]" id="quantity_'+i+'" class="form-control changesNo" autocomplete="off" onkeypress="return IsNumeric(event);" ondrop="return false;" onpaste="return false;"></td>';
    html += '<td><input type="text" name="total[]" id="total_'+i+'" class="form-control totalLinePrice" autocomplete="off" onkeypress="return IsNumeric(event);" ondrop="return false;" onpaste="return false;" readonly></td>';
    html += '</tr>';
    $('table').append(html);
    i++;
});

//to check all checkboxes
$(document).on('change','#check_all',function(){
    $('input[class=case]:checkbox').prop("checked", $(this).is(':checked'));
});

//deletes the selected table rows
$(".delete").on('click', function() {
    $('.case:checkbox:checked').parents("tr").remove();
    $('#check_all').prop("checked", false);
    calculateTotal();
});

//autocomplete script
$(document).on('focus','.autocomplete_txt',function(){
    type = $(this).data('type');
    if(type =='id_barang' )autoTypeNo=0;
    if(type =='nama_barang' )autoTypeNo=1;
    $(this).autocomplete({
        source: function( request, response ) {
            $.ajax({
                url : 'http://localhost/code_cipta/admin/product',
                dataType: "json",
                method: 'post',
                data: {
                   name_startsWith: request.term,
                   type: type
                },
                 success: function( data ) {
                    response( $.map( data, function( item ) {
                        var code = item.split("|");
                        return {
                            label: code[autoTypeNo],
                            value: code[autoTypeNo],
                            data : item
                        }
                    }));
                }
            });
        },
        autoFocus: true,
        minLength: 0,
        select: function( event, ui ) {
            var names = ui.item.data.split("|");
            id_arr = $(this).attr('id');
            id = id_arr.split("_");
            //taruh di id item no
            $('#itemNo_'+id[1]).val(names[0]);
            //taruh di id itemname
            $('#itemName_'+id[1]).val(names[1]);



            $('#StockName_'+id[1]).val(names[2]);
            //taruh di id quantity dengan array indeks 1




            $('#quantity_'+id[1]).val(1);
            //taruh di id harga dari database
            $('#price_'+id[1]).val(1);
            //taruh di id total
            quantity = $('#quantity_'+id[1]).val();
            price = $('#price_'+id[1]).val();
            $('#total_'+id[1]).val( quantity * price);
            calculateTotal();
        }
    });
});

//price change
$(document).on('change keyup blur','.changesNo',function(){
    id_arr = $(this).attr('id');
    id = id_arr.split("_");
    quantity = $('#quantity_'+id[1]).val();
    price = $('#price_'+id[1]).val();
    if( quantity!='' && price !='' ) $('#total_'+id[1]).val( (parseFloat(price)*parseFloat(quantity)).toFixed(2) );
    calculateTotal();
});

$(document).on('change keyup blur','#tax',function(){
    calculateTotal();
});

//total price calculation
function calculateTotal(){
    subTotal = 0 ; total = 0;
    $('.totalLinePrice').each(function(){
        if($(this).val() != '' )subTotal += parseFloat( $(this).val() );
    });
    $('#subTotal').val( subTotal.toFixed(2) );
    tax = $('#tax').val();
    if(tax != '' && typeof(tax) != "undefined" ){
        taxAmount = subTotal * ( parseFloat(tax) /100 );
        $('#taxAmount').val(taxAmount.toFixed(2));
        total = subTotal + taxAmount;
    }else{
        $('#taxAmount').val(0);
        total = subTotal;
    }
    $('#totalAftertax').val( total.toFixed(2) );
    calculateAmountDue();
}













$(document).on('change keyup blur','#amountPaid',function(){
    calculateAmountDue();
});

//due amount calculation
function calculateAmountDue(){
    amountPaid = $('#amountPaid').val();
    total = $('#totalAftertax').val();
    if(amountPaid != '' && typeof(amountPaid) != "undefined" ){
        amountDue = parseFloat(total) - parseFloat( amountPaid );
        $('.amountDue').val( amountDue.toFixed(2) );
    }else{
        total = parseFloat(total).toFixed(2);
        $('.amountDue').val( total );
    }
}


//It restrict the non-numbers
var specialKeys = new Array();
specialKeys.push(8,46); //Backspace
function IsNumeric(e) {
    var keyCode = e.which ? e.which : e.keyCode;
    console.log( keyCode );
    var ret = ((keyCode >= 48 && keyCode <= 57) || specialKeys.indexOf(keyCode) != -1);
    return ret;
}

//datepicker
$("#date").datepicker({
dateFormat:"yy-mm-dd",
changeMonth: true,
changeYear: true
});

$("#tanggal").datepicker({
dateFormat:"yy-mm-dd",
changeMonth: true,
changeYear: true
});





$("#kode_pelanggan").autocomplete({
    source: "http://localhost/code_cipta/admin/penjualan/getpelanggan" // path to the get_birds method
  });