jquery.fs.stepper.min.js

/* 
 * Stepper v3.0.7 - 2014-05-07 
 * A jQuery plugin for cross browser number inputs. Part of the Formstone Library. 
 * http://formstone.it/stepper/ 
 * 
 * Copyright 2014 Ben Plum; MIT Licensed 
 */ 

!function(a){"use strict";function b(b){b=a.extend({},l,b||{});for(var d=a(this),e=0,f=d.length;f>e;e++)c(d.eq(e),b);return d}function c(b,c){if(!b.hasClass("stepper-input")){c=a.extend({},c,b.data("stepper-options"));var f=parseFloat(b.attr("min")),g=parseFloat(b.attr("max")),h=parseFloat(b.attr("step"))||1;b.addClass("stepper-input").wrap('<div class="stepper '+c.customClass+'" />').after('<span class="stepper-arrow up">'+c.labels.up+'</span><span class="stepper-arrow down">'+c.labels.down+"</span>");var i=b.parent(".stepper"),k=a.extend({$stepper:i,$input:b,$arrow:i.find(".stepper-arrow"),min:void 0===typeof f||isNaN(f)?!1:f,max:void 0===typeof g||isNaN(g)?!1:g,step:void 0===typeof h||isNaN(h)?1:h,timer:null},c);k.digits=j(k.step),b.is(":disabled")&&i.addClass("disabled"),i.on("keypress",".stepper-input",k,d),i.on("touchstart.stepper mousedown.stepper",".stepper-arrow",k,e).data("stepper",k)}}function d(a){var b=a.data;(38===a.keyCode||40===a.keyCode)&&(a.preventDefault(),g(b,38===a.keyCode?b.step:-b.step))}function e(b){b.preventDefault(),b.stopPropagation(),f(b);var c=b.data;if(!c.$input.is(":disabled")&&!c.$stepper.hasClass("disabled")){var d=a(b.target).hasClass("up")?c.step:-c.step;c.timer=h(c.timer,125,function(){g(c,d,!1)}),g(c,d),a("body").on("touchend.stepper mouseup.stepper",c,f)}}function f(b){b.preventDefault(),b.stopPropagation();var c=b.data;i(c.timer),a("body").off(".stepper")}function g(a,b){var c=parseFloat(a.$input.val()),d=b;void 0===typeof c||isNaN(c)?d=a.min!==!1?a.min:0:a.min!==!1&&c<a.min?d=a.min:d+=c;var e=(d-a.min)%a.step;0!==e&&(d-=e),a.min!==!1&&d<a.min&&(d=a.min),a.max!==!1&&d>a.max&&(d-=a.step),d!==c&&(d=k(d,a.digits),a.$input.val(d).trigger("change"))}function h(a,b,c){return i(a),setInterval(c,b)}function i(a){a&&(clearInterval(a),a=null)}function j(a){var b=String(a);return b.indexOf(".")>-1?b.length-b.indexOf(".")-1:0}function k(a,b){var c=Math.pow(10,b);return Math.round(a*c)/c}var l={customClass:"",labels:{up:"Up",down:"Down"}},m={defaults:function(b){return l=a.extend(l,b||{}),a(this)},destroy:function(){return a(this).each(function(){var b=a(this).data("stepper");b&&(b.$stepper.off(".stepper").find(".stepper-arrow").remove(),b.$input.unwrap().removeClass("stepper-input"))})},disable:function(){return a(this).each(function(){var b=a(this).data("stepper");b&&(b.$input.attr("disabled","disabled"),b.$stepper.addClass("disabled"))})},enable:function(){return a(this).each(function(){var b=a(this).data("stepper");b&&(b.$input.attr("disabled",null),b.$stepper.removeClass("disabled"))})}};a.fn.stepper=function(a){return m[a]?m[a].apply(this,Array.prototype.slice.call(arguments,1)):"object"!=typeof a&&a?this:b.apply(this,arguments)},a.stepper=function(a){"defaults"===a&&m.defaults.apply(this,Array.prototype.slice.call(arguments,1))}}(jQuery,this);