View file File name : jquery.spinner.js Content :/*! * jquery.spinner v0.2.1 (https://vsn4ik.github.io/jquery.spinner/) * Copyright 2013-2017 xixilive * Licensed under the MIT license */ 'use strict'; (function(factory) { if (typeof define === 'function' && define.amd) { // AMD. Register as an anonymous module define(['jquery'], factory); } else if (typeof exports === 'object') { // Node/CommonJS module.exports = factory(require('jquery')); } else { // Browser globals factory(jQuery); } })(function($) { var spinningTimer; var Spinner; var Spinning = function($element, options) { this.$el = $element; this.options = $.extend({}, Spinning.rules.defaults, Spinning.rules[options.rule] || {}, options); this.min = Number(this.options.min) || 0; this.max = Number(this.options.max) || 0; this.$el.on({ 'focus.spinner': $.proxy(function(e) { e.preventDefault(); $(document).trigger('mouseup.spinner'); this.oldValue = this.value(); }, this), 'change.spinner': $.proxy(function(e) { e.preventDefault(); this.value(this.$el.val()); }, this), 'keydown.spinner': $.proxy(function(e) { var dir = { 38: 'up', 40: 'down' }[e.which]; if (dir) { e.preventDefault(); this.spin(dir); } }, this) }); //init input value this.oldValue = this.value(); this.value(this.$el.val()); return this; }; Spinning.rules = { defaults: { min: null, max: null, step: 1, precision: 0 }, currency: { min: 0.00, max: null, step: 0.01, precision: 2 }, quantity: { min: 1, max: 999, step: 1, precision: 0 }, percent: { min: 1, max: 100, step: 1, precision: 0 }, month: { min: 1, max: 12, step: 1, precision: 0 }, day: { min: 1, max: 31, step: 1, precision: 0 }, hour: { min: 0, max: 23, step: 1, precision: 0 }, minute: { min: 1, max: 59, step: 1, precision: 0 }, second: { min: 1, max: 59, step: 1, precision: 0 } }; Spinning.prototype = { spin: function(dir) { if (this.$el.prop('disabled')) { return; } this.oldValue = this.value(); var step = $.isFunction(this.options.step) ? this.options.step.call(this, dir) : this.options.step; var multipler = dir === 'up' ? 1 : -1; this.value(this.oldValue + Number(step) * multipler); }, value: function(v) { if (v === null || v === undefined) { return this.numeric(this.$el.val()); } v = this.numeric(v); var valid = this.validate(v); if (valid !== 0) { v = (valid === -1) ? this.min : this.max; } this.$el.val(v.toFixed(this.options.precision)); if (this.oldValue !== this.value()) { // changing.spinner this.$el.trigger('changing.spinner', [this.value(), this.oldValue]); // lazy changed.spinner clearTimeout(spinningTimer); spinningTimer = setTimeout($.proxy(function() { this.$el.trigger('changed.spinner', [this.value(), this.oldValue]); }, this), Spinner.delay); } }, numeric: function(v) { v = this.options.precision > 0 ? parseFloat(v, 10) : parseInt(v, 10); // If the variable is a number if (isFinite(v)) { return v; } return v || this.options.min || 0; }, validate: function(val) { if (this.options.min !== null && val < this.min) { return -1; } if (this.options.max !== null && val > this.max) { return 1; } return 0; } }; Spinner = function(element, options) { this.$el = $(element); this.$spinning = this.$el.find('[data-spin="spinner"]'); if (this.$spinning.length === 0) { this.$spinning = this.$el.find(':input[type="text"]'); } options = $.extend({}, options, this.$spinning.data()); this.spinning = new Spinning(this.$spinning, options); this.$el .on('click.spinner', '[data-spin="up"], [data-spin="down"]', $.proxy(this, 'spin')) .on('mousedown.spinner', '[data-spin="up"], [data-spin="down"]', $.proxy(this, 'spin')); $(document).on('mouseup.spinner', $.proxy(function() { clearTimeout(this.spinTimeout); clearInterval(this.spinInterval); }, this)); if (options.delay) { this.delay(options.delay); } if (options.changed) { this.changed(options.changed); } if (options.changing) { this.changing(options.changing); } }; Spinner.delay = 500; Spinner.prototype = { constructor: Spinner, spin: function(e) { var dir = $(e.currentTarget).data('spin'); switch (e.type) { case 'click': e.preventDefault(); this.spinning.spin(dir); break; case 'mousedown': if (e.which === 1) { this.spinTimeout = setTimeout($.proxy(this, 'beginSpin', dir), 300); } break; } }, delay: function(ms) { var delay = Number(ms); if (delay >= 0) { this.constructor.delay = delay + 100; } }, value: function() { return this.spinning.value(); }, changed: function(fn) { this.bindHandler('changed.spinner', fn); }, changing: function(fn) { this.bindHandler('changing.spinner', fn); }, bindHandler: function(t, fn) { if ($.isFunction(fn)) { this.$spinning.on(t, fn); } else { this.$spinning.off(t); } }, beginSpin: function(dir) { this.spinInterval = setInterval($.proxy(this.spinning, 'spin', dir), 100); } }; var old = $.fn.spinner; $.fn.spinner = function(options, value) { return this.each(function() { var data = $.data(this, 'spinner'); if (!data) { data = new Spinner(this, options); $.data(this, 'spinner', data); } if (options === 'delay' || options === 'changed' || options === 'changing') { data[options](value); } else if (options === 'step' && value) { data.spinning.step = value; } else if (options === 'spin' && value) { data.spinning.spin(value); } }); }; $.fn.spinner.Constructor = Spinner; $.fn.spinner.noConflict = function() { $.fn.spinner = old; return this; }; $(function() { $('[data-trigger="spinner"]').spinner(); }); return $.fn.spinner; });