484 lines
15 KiB
JavaScript
484 lines
15 KiB
JavaScript
'use strict';
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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!function ($) {
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/**
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* Orbit module.
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* @module foundation.orbit
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* @requires foundation.util.keyboard
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* @requires foundation.util.motion
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* @requires foundation.util.timerAndImageLoader
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* @requires foundation.util.touch
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*/
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var Orbit = function () {
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/**
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* Creates a new instance of an orbit carousel.
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* @class
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* @param {jQuery} element - jQuery object to make into an Orbit Carousel.
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* @param {Object} options - Overrides to the default plugin settings.
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*/
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function Orbit(element, options) {
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_classCallCheck(this, Orbit);
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this.$element = element;
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this.options = $.extend({}, Orbit.defaults, this.$element.data(), options);
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this._init();
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Foundation.registerPlugin(this, 'Orbit');
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Foundation.Keyboard.register('Orbit', {
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'ltr': {
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'ARROW_RIGHT': 'next',
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'ARROW_LEFT': 'previous'
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},
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'rtl': {
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'ARROW_LEFT': 'next',
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'ARROW_RIGHT': 'previous'
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}
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});
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}
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/**
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* Initializes the plugin by creating jQuery collections, setting attributes, and starting the animation.
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* @function
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* @private
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*/
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_createClass(Orbit, [{
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key: '_init',
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value: function _init() {
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this.$wrapper = this.$element.find('.' + this.options.containerClass);
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this.$slides = this.$element.find('.' + this.options.slideClass);
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var $images = this.$element.find('img'),
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initActive = this.$slides.filter('.is-active');
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if (!initActive.length) {
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this.$slides.eq(0).addClass('is-active');
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}
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if (!this.options.useMUI) {
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this.$slides.addClass('no-motionui');
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}
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if ($images.length) {
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Foundation.onImagesLoaded($images, this._prepareForOrbit.bind(this));
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} else {
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this._prepareForOrbit(); //hehe
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}
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if (this.options.bullets) {
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this._loadBullets();
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}
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this._events();
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if (this.options.autoPlay && this.$slides.length > 1) {
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this.geoSync();
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}
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if (this.options.accessible) {
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// allow wrapper to be focusable to enable arrow navigation
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this.$wrapper.attr('tabindex', 0);
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}
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}
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/**
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* Creates a jQuery collection of bullets, if they are being used.
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* @function
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* @private
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*/
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}, {
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key: '_loadBullets',
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value: function _loadBullets() {
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this.$bullets = this.$element.find('.' + this.options.boxOfBullets).find('button');
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}
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/**
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* Sets a `timer` object on the orbit, and starts the counter for the next slide.
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* @function
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*/
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}, {
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key: 'geoSync',
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value: function geoSync() {
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var _this = this;
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this.timer = new Foundation.Timer(this.$element, {
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duration: this.options.timerDelay,
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infinite: false
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}, function () {
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_this.changeSlide(true);
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});
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this.timer.start();
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}
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/**
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* Sets wrapper and slide heights for the orbit.
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* @function
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* @private
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*/
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}, {
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key: '_prepareForOrbit',
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value: function _prepareForOrbit() {
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var _this = this;
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this._setWrapperHeight(function (max) {
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_this._setSlideHeight(max);
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});
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}
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/**
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* Calulates the height of each slide in the collection, and uses the tallest one for the wrapper height.
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* @function
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* @private
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* @param {Function} cb - a callback function to fire when complete.
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*/
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}, {
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key: '_setWrapperHeight',
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value: function _setWrapperHeight(cb) {
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//rewrite this to `for` loop
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var max = 0,
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temp,
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counter = 0;
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this.$slides.each(function () {
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temp = this.getBoundingClientRect().height;
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$(this).attr('data-slide', counter);
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if (counter) {
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//if not the first slide, set css position and display property
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$(this).css({ 'position': 'relative', 'display': 'none' });
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}
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max = temp > max ? temp : max;
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counter++;
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});
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if (counter === this.$slides.length) {
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this.$wrapper.css({ 'height': max }); //only change the wrapper height property once.
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cb(max); //fire callback with max height dimension.
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}
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}
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/**
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* Sets the max-height of each slide.
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* @function
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* @private
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*/
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}, {
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key: '_setSlideHeight',
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value: function _setSlideHeight(height) {
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this.$slides.each(function () {
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$(this).css('max-height', height);
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});
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}
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/**
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* Adds event listeners to basically everything within the element.
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* @function
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* @private
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*/
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}, {
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key: '_events',
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value: function _events() {
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var _this = this;
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//***************************************
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//**Now using custom event - thanks to:**
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//** Yohai Ararat of Toronto **
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//***************************************
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if (this.$slides.length > 1) {
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if (this.options.swipe) {
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this.$slides.off('swipeleft.zf.orbit swiperight.zf.orbit').on('swipeleft.zf.orbit', function (e) {
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e.preventDefault();
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_this.changeSlide(true);
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}).on('swiperight.zf.orbit', function (e) {
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e.preventDefault();
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_this.changeSlide(false);
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});
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}
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//***************************************
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if (this.options.autoPlay) {
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this.$slides.on('click.zf.orbit', function () {
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_this.$element.data('clickedOn', _this.$element.data('clickedOn') ? false : true);
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_this.timer[_this.$element.data('clickedOn') ? 'pause' : 'start']();
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});
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if (this.options.pauseOnHover) {
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this.$element.on('mouseenter.zf.orbit', function () {
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_this.timer.pause();
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}).on('mouseleave.zf.orbit', function () {
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if (!_this.$element.data('clickedOn')) {
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_this.timer.start();
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}
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});
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}
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}
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if (this.options.navButtons) {
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var $controls = this.$element.find('.' + this.options.nextClass + ', .' + this.options.prevClass);
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$controls.attr('tabindex', 0)
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//also need to handle enter/return and spacebar key presses
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.on('click.zf.orbit touchend.zf.orbit', function (e) {
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e.preventDefault();
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_this.changeSlide($(this).hasClass(_this.options.nextClass));
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});
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}
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if (this.options.bullets) {
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this.$bullets.on('click.zf.orbit touchend.zf.orbit', function () {
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if (/is-active/g.test(this.className)) {
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return false;
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} //if this is active, kick out of function.
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var idx = $(this).data('slide'),
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ltr = idx > _this.$slides.filter('.is-active').data('slide'),
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$slide = _this.$slides.eq(idx);
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_this.changeSlide(ltr, $slide, idx);
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});
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}
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this.$wrapper.add(this.$bullets).on('keydown.zf.orbit', function (e) {
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// handle keyboard event with keyboard util
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Foundation.Keyboard.handleKey(e, 'Orbit', {
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next: function () {
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_this.changeSlide(true);
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},
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previous: function () {
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_this.changeSlide(false);
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},
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handled: function () {
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// if bullet is focused, make sure focus moves
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if ($(e.target).is(_this.$bullets)) {
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_this.$bullets.filter('.is-active').focus();
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}
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}
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});
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});
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}
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}
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/**
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* Changes the current slide to a new one.
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* @function
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* @param {Boolean} isLTR - flag if the slide should move left to right.
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* @param {jQuery} chosenSlide - the jQuery element of the slide to show next, if one is selected.
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* @param {Number} idx - the index of the new slide in its collection, if one chosen.
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* @fires Orbit#slidechange
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*/
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}, {
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key: 'changeSlide',
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value: function changeSlide(isLTR, chosenSlide, idx) {
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var $curSlide = this.$slides.filter('.is-active').eq(0);
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if (/mui/g.test($curSlide[0].className)) {
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return false;
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} //if the slide is currently animating, kick out of the function
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var $firstSlide = this.$slides.first(),
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$lastSlide = this.$slides.last(),
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dirIn = isLTR ? 'Right' : 'Left',
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dirOut = isLTR ? 'Left' : 'Right',
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_this = this,
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$newSlide;
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if (!chosenSlide) {
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//most of the time, this will be auto played or clicked from the navButtons.
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$newSlide = isLTR ? //if wrapping enabled, check to see if there is a `next` or `prev` sibling, if not, select the first or last slide to fill in. if wrapping not enabled, attempt to select `next` or `prev`, if there's nothing there, the function will kick out on next step. CRAZY NESTED TERNARIES!!!!!
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this.options.infiniteWrap ? $curSlide.next('.' + this.options.slideClass).length ? $curSlide.next('.' + this.options.slideClass) : $firstSlide : $curSlide.next('.' + this.options.slideClass) : //pick next slide if moving left to right
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this.options.infiniteWrap ? $curSlide.prev('.' + this.options.slideClass).length ? $curSlide.prev('.' + this.options.slideClass) : $lastSlide : $curSlide.prev('.' + this.options.slideClass); //pick prev slide if moving right to left
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} else {
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$newSlide = chosenSlide;
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}
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if ($newSlide.length) {
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if (this.options.bullets) {
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idx = idx || this.$slides.index($newSlide); //grab index to update bullets
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this._updateBullets(idx);
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}
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if (this.options.useMUI) {
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Foundation.Motion.animateIn($newSlide.addClass('is-active').css({ 'position': 'absolute', 'top': 0 }), this.options['animInFrom' + dirIn], function () {
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$newSlide.css({ 'position': 'relative', 'display': 'block' }).attr('aria-live', 'polite');
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});
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Foundation.Motion.animateOut($curSlide.removeClass('is-active'), this.options['animOutTo' + dirOut], function () {
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$curSlide.removeAttr('aria-live');
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if (_this.options.autoPlay && !_this.timer.isPaused) {
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_this.timer.restart();
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}
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//do stuff?
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});
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} else {
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$curSlide.removeClass('is-active is-in').removeAttr('aria-live').hide();
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$newSlide.addClass('is-active is-in').attr('aria-live', 'polite').show();
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if (this.options.autoPlay && !this.timer.isPaused) {
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this.timer.restart();
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}
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}
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/**
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* Triggers when the slide has finished animating in.
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* @event Orbit#slidechange
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*/
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this.$element.trigger('slidechange.zf.orbit', [$newSlide]);
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}
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}
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/**
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* Updates the active state of the bullets, if displayed.
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* @function
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* @private
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* @param {Number} idx - the index of the current slide.
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*/
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}, {
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key: '_updateBullets',
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value: function _updateBullets(idx) {
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var $oldBullet = this.$element.find('.' + this.options.boxOfBullets).find('.is-active').removeClass('is-active').blur(),
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span = $oldBullet.find('span:last').detach(),
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$newBullet = this.$bullets.eq(idx).addClass('is-active').append(span);
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}
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/**
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* Destroys the carousel and hides the element.
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* @function
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*/
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}, {
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key: 'destroy',
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value: function destroy() {
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this.$element.off('.zf.orbit').find('*').off('.zf.orbit').end().hide();
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Foundation.unregisterPlugin(this);
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}
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}]);
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return Orbit;
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}();
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Orbit.defaults = {
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/**
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* Tells the JS to look for and loadBullets.
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* @option
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* @example true
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*/
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bullets: true,
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/**
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* Tells the JS to apply event listeners to nav buttons
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* @option
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* @example true
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*/
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navButtons: true,
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/**
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* motion-ui animation class to apply
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* @option
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* @example 'slide-in-right'
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*/
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animInFromRight: 'slide-in-right',
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/**
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* motion-ui animation class to apply
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* @option
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* @example 'slide-out-right'
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*/
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animOutToRight: 'slide-out-right',
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/**
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* motion-ui animation class to apply
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* @option
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* @example 'slide-in-left'
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*
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*/
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animInFromLeft: 'slide-in-left',
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/**
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* motion-ui animation class to apply
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* @option
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* @example 'slide-out-left'
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*/
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animOutToLeft: 'slide-out-left',
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/**
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* Allows Orbit to automatically animate on page load.
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* @option
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* @example true
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*/
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autoPlay: true,
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/**
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* Amount of time, in ms, between slide transitions
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* @option
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* @example 5000
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*/
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timerDelay: 5000,
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/**
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* Allows Orbit to infinitely loop through the slides
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* @option
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* @example true
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*/
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infiniteWrap: true,
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/**
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* Allows the Orbit slides to bind to swipe events for mobile, requires an additional util library
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* @option
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* @example true
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*/
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swipe: true,
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/**
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* Allows the timing function to pause animation on hover.
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* @option
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* @example true
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*/
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pauseOnHover: true,
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/**
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* Allows Orbit to bind keyboard events to the slider, to animate frames with arrow keys
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* @option
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* @example true
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*/
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accessible: true,
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/**
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* Class applied to the container of Orbit
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* @option
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* @example 'orbit-container'
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*/
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containerClass: 'orbit-container',
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/**
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* Class applied to individual slides.
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* @option
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* @example 'orbit-slide'
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*/
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slideClass: 'orbit-slide',
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/**
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* Class applied to the bullet container. You're welcome.
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* @option
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* @example 'orbit-bullets'
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*/
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boxOfBullets: 'orbit-bullets',
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/**
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* Class applied to the `next` navigation button.
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* @option
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* @example 'orbit-next'
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*/
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nextClass: 'orbit-next',
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/**
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* Class applied to the `previous` navigation button.
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* @option
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* @example 'orbit-previous'
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*/
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prevClass: 'orbit-previous',
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/**
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* Boolean to flag the js to use motion ui classes or not. Default to true for backwards compatability.
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* @option
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* @example true
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*/
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useMUI: true
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};
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// Window exports
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Foundation.plugin(Orbit, 'Orbit');
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}(jQuery); |