GMS.Web.Admin/Content/Scripts/jquery.numeric.js

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/*
 *
 * Copyright (c) 2006-2011 Sam Collett (http://www.texotela.co.uk)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 * 
 * Version 1.3
 * Demo: http://www.texotela.co.uk/code/jquery/numeric/
 *
 */
(function($) {
/*
 * Allows only valid characters to be entered into input boxes.
 * Note: fixes value when pasting via Ctrl+V, but not when using the mouse to paste
  *      side-effect: Ctrl+A does not work, though you can still use the mouse to select (or double-click to select all)
 *
 * @name     numeric
 * @param    config      { decimal : "." , negative : true }
 * @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(","); // use , as separater
 * @example  $(".numeric").numeric({ decimal : "," }); // use , as separator
 * @example  $(".numeric").numeric({ negative : false }); // do not allow negative values
 * @example  $(".numeric").numeric(null, callback); // use default values, pass on the 'callback' function
 *
 */
$.fn.numeric = function(config, callback)
{
	if(typeof config === 'boolean')
	{
		config = { decimal: config };
	}
	config = config || {};
	// if config.negative undefined, set to true (default is to allow negative numbers)
	if(typeof config.negative == "undefined") config.negative = true;
	// set decimal point
	var decimal = (config.decimal === false) ? "" : config.decimal || ".";
	// allow negatives
	var negative = (config.negative === true) ? true : false;
	// callback function
	var callback = typeof callback == "function" ? callback : function(){};
	// set data and methods
	return this.data("numeric.decimal", decimal).data("numeric.negative", negative).data("numeric.callback", callback).keypress($.fn.numeric.keypress).keyup($.fn.numeric.keyup).blur($.fn.numeric.blur);
}

$.fn.numeric.keypress = function(e)
{
	// get decimal character and determine if negatives are allowed
	var decimal = $.data(this, "numeric.decimal");
	var negative = $.data(this, "numeric.negative");
	// get the key that was pressed
	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")
	{
		return true;
	}
	else if(key == 13)
	{