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Preventing negative numbers #8

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Preventing negative numbers #8

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6d552e5
Changed numeric to take a config object literal, containing both 'dec…
searls Dec 8, 2010
a637a3a
Added a conditional that should retain backwards compatibility.
searls Jan 31, 2011
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24 changes: 17 additions & 7 deletions numeric/jquery.numeric.js
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Original file line number Diff line number Diff line change
Expand Up @@ -15,24 +15,34 @@
* (that could be done by another script, or server-side)
*
* @name numeric
* @param decimal Decimal separator (e.g. '.' or ',' - default is '.'). Pass false for integers
* @param config {
* decimal:'.', //Decimal separator (e.g. '.' or ',' - default is '.'). Pass false for integers
* negative:true //true to allow negative numbers, false to constrain to positive numbers
* }
*
* @param callback A function that runs if the number is not valid (fires onblur)
* @author Sam Collett (http://www.texotela.co.uk)
* @example $(".numeric").numeric();
* @example $(".numeric").numeric(",");
* @example $(".numeric").numeric({},");
* @example $(".numeric").numeric(null, callback);
*
*/
$.fn.numeric = function(decimal, callback)
$.fn.numeric = function(config, callback)
{
decimal = (decimal === false) ? "" : decimal || ".";
callback = typeof callback == "function" ? callback : function(){};
return this.data("numeric.decimal", decimal).data("numeric.callback", callback).keypress($.fn.numeric.keypress).blur($.fn.numeric.blur);
config = config || {};
if(typeof config === 'boolean') {
config = { decimal: config };
}
var decimal = (config.decimal === false) ? "" : config.decimal || ".";
var negative = (config.negative === true) ? true : false;
var callback = typeof config.callback == "function" ? config.callback : function(){};
return this.data("numeric.decimal", decimal).data("numeric.negative",config.negative).data("numeric.callback", callback).keypress($.fn.numeric.keypress).blur($.fn.numeric.blur);
}

$.fn.numeric.keypress = function(e)
{
var decimal = $.data(this, "numeric.decimal");
var negative = $.data(this, "numeric.negative");
var key = e.charCode ? e.charCode : e.keyCode ? e.keyCode : 0;
// allow enter/return key (only when in an input box)
if(key == 13 && this.nodeName.toLowerCase() == "input")
Expand All @@ -59,7 +69,7 @@ $.fn.numeric.keypress = function(e)
if(key < 48 || key > 57)
{
/* '-' only allowed at start */
if(key == 45 && this.value.length == 0) return true;
if(negative && key == 45 && this.value.length == 0) return true;
/* only one decimal separator allowed */
if(decimal && key == decimal.charCodeAt(0) && this.value.indexOf(decimal) != -1)
{
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