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File: theme/js/jquery.countTo.js

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File: theme/js/jquery.countTo.js
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: Giga CMS
Multi-user content management system
Author: By
Last change:
Date: 7 years ago
Size: 3,761 bytes
 

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(function (factory) { if (typeof define === 'function' && define.amd) { // AMD define(['jquery'], factory); } else if (typeof exports === 'object') { // CommonJS factory(require('jquery')); } else { // Browser globals factory(jQuery); } }(function ($) { var CountTo = function (element, options) { this.$element = $(element); this.options = $.extend({}, CountTo.DEFAULTS, this.dataOptions(), options); this.init(); }; CountTo.DEFAULTS = { from: 0, // the number the element should start at to: 0, // the number the element should end at speed: 1000, // how long it should take to count between the target numbers refreshInterval: 100, // how often the element should be updated decimals: 0, // the number of decimal places to show formatter: formatter, // handler for formatting the value before rendering onUpdate: null, // callback method for every time the element is updated onComplete: null // callback method for when the element finishes updating }; CountTo.prototype.init = function () { this.value = this.options.from; this.loops = Math.ceil(this.options.speed / this.options.refreshInterval); this.loopCount = 0; this.increment = (this.options.to - this.options.from) / this.loops; }; CountTo.prototype.dataOptions = function () { var options = { from: this.$element.data('from'), to: this.$element.data('to'), speed: this.$element.data('speed'), refreshInterval: this.$element.data('refresh-interval'), decimals: this.$element.data('decimals') }; var keys = Object.keys(options); for (var i in keys) { var key = keys[i]; if (typeof(options[key]) === 'undefined') { delete options[key]; } } return options; }; CountTo.prototype.update = function () { this.value += this.increment; this.loopCount++; this.render(); if (typeof(this.options.onUpdate) == 'function') { this.options.onUpdate.call(this.$element, this.value); } if (this.loopCount >= this.loops) { clearInterval(this.interval); this.value = this.options.to; if (typeof(this.options.onComplete) == 'function') { this.options.onComplete.call(this.$element, this.value); } } }; CountTo.prototype.render = function () { var formattedValue = this.options.formatter.call(this.$element, this.value, this.options); this.$element.text(formattedValue); }; CountTo.prototype.restart = function () { this.stop(); this.init(); this.start(); }; CountTo.prototype.start = function () { this.stop(); this.render(); this.interval = setInterval(this.update.bind(this), this.options.refreshInterval); }; CountTo.prototype.stop = function () { if (this.interval) { clearInterval(this.interval); } }; CountTo.prototype.toggle = function () { if (this.interval) { this.stop(); } else { this.start(); } }; function formatter(value, options) { return value.toFixed(options.decimals); } $.fn.countTo = function (option) { return this.each(function () { var $this = $(this); var data = $this.data('countTo'); var init = !data || typeof(option) === 'object'; var options = typeof(option) === 'object' ? option : {}; var method = typeof(option) === 'string' ? option : 'start'; if (init) { if (data) data.stop(); $this.data('countTo', data = new CountTo(this, options)); } data[method].call(data); }); }; }));