somar e formatar moeda

Como é sua função de formatar moeda?

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Como é sua função de formatar moeda?

$('.moeda').priceFormat({
prefix: 'R$ ',
centsSeparator: ',',
thousandsSeparator: '.'

});

 

 

(function($) {

$.fn.priceFormat = function(options) {

	var defaults = {
 prefix: 'R$ ',
 centsSeparator: '.',
 thousandsSeparator: ',',
 limit: false,
 centsLimit: 2,
 clearPrefix: false
	};

	var options = $.extend(defaults, options);

	return this.each(function() {

 // pre defined options
 var obj = $(this);
 var is_number = /[0-9]/;

 // load the pluggings settings
 var prefix = options.prefix;
 var centsSeparator = options.centsSeparator;
 var thousandsSeparator = options.thousandsSeparator;
 var limit = options.limit;
 var centsLimit = options.centsLimit;
 var clearPrefix = options.clearPrefix;

 // skip everything that isn't a number
 // and also skip the left zeroes
 function to_numbers (str) {
 var formatted = '';
 for (var i=0;i<(str.length);i++) {
 char = str.charAt(i);
 if (formatted.length==0 && char==0) char = false;
 if (char && char.match(is_number)) {
 if (limit) {
 if (formatted.length < limit) formatted = formatted+char;
 }else{
 formatted = formatted+char;
 }
 }
 }
 return formatted;
 }

 // format to fill with zeros to complete cents chars
 function fill_with_zeroes (str) {
 while (str.length<(centsLimit+1)) str = '0'+str;
 return str;
 }

 // format as price
 function price_format (str) {

 // formatting settings
 var formatted = fill_with_zeroes(to_numbers(str));
 var thousandsFormatted = '';
 var thousandsCount = 0;

 // split integer from cents
 var centsVal = formatted.substr(formatted.length-centsLimit,centsLimit);
 var integerVal = formatted.substr(0,formatted.length-centsLimit);

 // apply cents pontuation
 formatted = integerVal+centsSeparator+centsVal;

 // apply thousands pontuation
 if (thousandsSeparator) {
 for (var j=integerVal.length;j>0;j--) {
 char = integerVal.substr(j-1,1);
 thousandsCount++;
 if (thousandsCount%3==0) char = thousandsSeparator+char;
 thousandsFormatted = char+thousandsFormatted;
 }
 if (thousandsFormatted.substr(0,1)==thousandsSeparator) thousandsFormatted = thousandsFormatted.substring(1,thousandsFormatted.length);
 formatted = thousandsFormatted+centsSeparator+centsVal;
 }

 // apply the prefix
 if (prefix) formatted = formatted;

 return formatted;

 }

 // filter what user type (only numbers and functional keys)
 function key_check (e) {

 var code = (e.keyCode ? e.keyCode : e.which);
 var typed = String.fromCharCode(code);
 var functional = false;
 var str = obj.val();
 var newValue = price_format(str+typed);

 // allow keypad numbers, 0 to 9
 if(code >= 96 && code <= 105) functional = true;

 // check Backspace, Tab, Enter, and left/right arrows
 if (code == 8) functional = true;
 if (code == 9) functional = true;
 if (code == 13) functional = true;
 if (code == 37) functional = true;
 if (code == 39) functional = true;

 if (!functional) {
 e.preventDefault();
 e.stopPropagation();
 if (str!=newValue) obj.val(newValue);
 }

 }

 // inster formatted price as a value of an input field
 function price_it () {
 var str = obj.val();
 var price = price_format(str);
 if (str != price) obj.val(price);
 }

 // Add prefix on focus
 function add_prefix()
 {
 var val = obj.val();
 obj.val(prefix + val);
 }

 // Clear prefix on blur if is set to true
 function clear_prefix()
 {
 var array = obj.val().split(prefix);
 obj.val(array[1]);
 }

 // bind the actions
 $(this).bind('keydown', key_check);
 $(this).bind('keyup', price_it);

 // Clear Prefix and Add Prefix if need
 if(clearPrefix)
 {
 $(this).bind('focusout', function()
 {
 clear_prefix();
 });

 $(this).bind('focusin', function()
 {
 add_prefix();
 });
 }

 // If value has content
 if ($(this).val().length>0)
 {
 price_it();

 if(clearPrefix)
 clear_prefix();
 }

	});

};

})(jQuery);