'use strict';
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; }; }();
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
!function ($) {
/**
* Orbit module.
* @module foundation.orbit
* @requires foundation.util.keyboard
* @requires foundation.util.motion
* @requires foundation.util.timerAndImageLoader
* @requires foundation.util.touch
*/
var Orbit = function () {
/**
* Creates a new instance of an orbit carousel.
* @class
* @param {jQuery} element - jQuery object to make into an Orbit Carousel.
* @param {Object} options - Overrides to the default plugin settings.
*/
function Orbit(element, options) {
_classCallCheck(this, Orbit);
this.$element = element;
this.options = $.extend({}, Orbit.defaults, this.$element.data(), options);
this._init();
Foundation.registerPlugin(this, 'Orbit');
Foundation.Keyboard.register('Orbit', {
'ltr': {
'ARROW_RIGHT': 'next',
'ARROW_LEFT': 'previous'
},
'rtl': {
'ARROW_LEFT': 'next',
'ARROW_RIGHT': 'previous'
}
});
}
/**
* Initializes the plugin by creating jQuery collections, setting attributes, and starting the animation.
* @function
* @private
*/
_createClass(Orbit, [{
key: '_init',
value: function _init() {
// @TODO: consider discussion on PR #9278 about DOM pollution by changeSlide
this._reset();
this.$wrapper = this.$element.find('.' + this.options.containerClass);
this.$slides = this.$element.find('.' + this.options.slideClass);
var $images = this.$element.find('img'),
initActive = this.$slides.filter('.is-active'),
id = this.$element[0].id || Foundation.GetYoDigits(6, 'orbit');
this.$element.attr({
'data-resize': id,
'id': id
});
if (!initActive.length) {
this.$slides.eq(0).addClass('is-active');
}
if (!this.options.useMUI) {
this.$slides.addClass('no-motionui');
}
if ($images.length) {
Foundation.onImagesLoaded($images, this._prepareForOrbit.bind(this));
} else {
this._prepareForOrbit(); //hehe
}
if (this.options.bullets) {
this._loadBullets();
}
this._events();
if (this.options.autoPlay && this.$slides.length > 1) {
this.geoSync();
}
if (this.options.accessible) {
// allow wrapper to be focusable to enable arrow navigation
this.$wrapper.attr('tabindex', 0);
}
}
/**
* Creates a jQuery collection of bullets, if they are being used.
* @function
* @private
*/
}, {
key: '_loadBullets',
value: function _loadBullets() {
this.$bullets = this.$element.find('.' + this.options.boxOfBullets).find('button');
}
/**
* Sets a `timer` object on the orbit, and starts the counter for the next slide.
* @function
*/
}, {
key: 'geoSync',
value: function geoSync() {
var _this = this;
this.timer = new Foundation.Timer(this.$element, {
duration: this.options.timerDelay,
infinite: false
}, function () {
_this.changeSlide(true);
});
this.timer.start();
}
/**
* Sets wrapper and slide heights for the orbit.
* @function
* @private
*/
}, {
key: '_prepareForOrbit',
value: function _prepareForOrbit() {
var _this = this;
this._setWrapperHeight();
}
/**
* Calulates the height of each slide in the collection, and uses the tallest one for the wrapper height.
* @function
* @private
* @param {Function} cb - a callback function to fire when complete.
*/
}, {
key: '_setWrapperHeight',
value: function _setWrapperHeight(cb) {
//rewrite this to `for` loop
var max = 0,
temp,
counter = 0,
_this = this;
this.$slides.each(function () {
temp = this.getBoundingClientRect().height;
$(this).attr('data-slide', counter);
if (_this.$slides.filter('.is-active')[0] !== _this.$slides.eq(counter)[0]) {
//if not the active slide, set css position and display property
$(this).css({ 'position': 'relative', 'display': 'none' });
}
max = temp > max ? temp : max;
counter++;
});
if (counter === this.$slides.length) {
this.$wrapper.css({ 'height': max }); //only change the wrapper height property once.
if (cb) {
cb(max);
} //fire callback with max height dimension.
}
}
/**
* Sets the max-height of each slide.
* @function
* @private
*/
}, {
key: '_setSlideHeight',
value: function _setSlideHeight(height) {
this.$slides.each(function () {
$(this).css('max-height', height);
});
}
/**
* Adds event listeners to basically everything within the element.
* @function
* @private
*/
}, {
key: '_events',
value: function _events() {
var _this = this;
//***************************************
//**Now using custom event - thanks to:**
//** Yohai Ararat of Toronto **
//***************************************
//
this.$element.off('.resizeme.zf.trigger').on({
'resizeme.zf.trigger': this._prepareForOrbit.bind(this)
});
if (this.$slides.length > 1) {
if (this.options.swipe) {
this.$slides.off('swipeleft.zf.orbit swiperight.zf.orbit').on('swipeleft.zf.orbit', function (e) {
e.preventDefault();
_this.changeSlide(true);
}).on('swiperight.zf.orbit', function (e) {
e.preventDefault();
_this.changeSlide(false);
});
}
//***************************************
if (this.options.autoPlay) {
this.$slides.on('click.zf.orbit', function () {
_this.$element.data('clickedOn', _this.$element.data('clickedOn') ? false : true);
_this.timer[_this.$element.data('clickedOn') ? 'pause' : 'start']();
});
if (this.options.pauseOnHover) {
this.$element.on('mouseenter.zf.orbit', function () {
_this.timer.pause();
}).on('mouseleave.zf.orbit', function () {
if (!_this.$element.data('clickedOn')) {
_this.timer.start();
}
});
}
}
if (this.options.navButtons) {
var $controls = this.$element.find('.' + this.options.nextClass + ', .' + this.options.prevClass);
$controls.attr('tabindex', 0)
//also need to handle enter/return and spacebar key presses
.on('click.zf.orbit touchend.zf.orbit', function (e) {
e.preventDefault();
_this.changeSlide($(this).hasClass(_this.options.nextClass));
});
}
if (this.options.bullets) {
this.$bullets.on('click.zf.orbit touchend.zf.orbit', function () {
if (/is-active/g.test(this.className)) {
return false;
} //if this is active, kick out of function.
var idx = $(this).data('slide'),
ltr = idx > _this.$slides.filter('.is-active').data('slide'),
$slide = _this.$slides.eq(idx);
_this.changeSlide(ltr, $slide, idx);
});
}
if (this.options.accessible) {
this.$wrapper.add(this.$bullets).on('keydown.zf.orbit', function (e) {
// handle keyboard event with keyboard util
Foundation.Keyboard.handleKey(e, 'Orbit', {
next: function () {
_this.changeSlide(true);
},
previous: function () {
_this.changeSlide(false);
},
handled: function () {
// if bullet is focused, make sure focus moves
if ($(e.target).is(_this.$bullets)) {
_this.$bullets.filter('.is-active').focus();
}
}
});
});
}
}
}
/**
* Resets Orbit so it can be reinitialized
*/
}, {
key: '_reset',
value: function _reset() {
// Don't do anything if there are no slides (first run)
if (typeof this.$slides == 'undefined') {
return;
}
if (this.$slides.length > 1) {
// Remove old events
this.$element.off('.zf.orbit').find('*').off('.zf.orbit');
// Restart timer if autoPlay is enabled
if (this.options.autoPlay) {
this.timer.restart();
}
// Reset all sliddes
this.$slides.each(function (el) {
$(el).removeClass('is-active is-active is-in').removeAttr('aria-live').hide();
});
// Show the first slide
this.$slides.first().addClass('is-active').show();
// Triggers when the slide has finished animating
this.$element.trigger('slidechange.zf.orbit', [this.$slides.first()]);
// Select first bullet if bullets are present
if (this.options.bullets) {
this._updateBullets(0);
}
}
}
/**
* Changes the current slide to a new one.
* @function
* @param {Boolean} isLTR - flag if the slide should move left to right.
* @param {jQuery} chosenSlide - the jQuery element of the slide to show next, if one is selected.
* @param {Number} idx - the index of the new slide in its collection, if one chosen.
* @fires Orbit#slidechange
*/
}, {
key: 'changeSlide',
value: function changeSlide(isLTR, chosenSlide, idx) {
if (!this.$slides) {
return;
} // Don't freak out if we're in the middle of cleanup
var $curSlide = this.$slides.filter('.is-active').eq(0);
if (/mui/g.test($curSlide[0].className)) {
return false;
} //if the slide is currently animating, kick out of the function
var $firstSlide = this.$slides.first(),
$lastSlide = this.$slides.last(),
dirIn = isLTR ? 'Right' : 'Left',
dirOut = isLTR ? 'Left' : 'Right',
_this = this,
$newSlide;
if (!chosenSlide) {
//most of the time, this will be auto played or clicked from the navButtons.
$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!!!!!
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
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
} else {
$newSlide = chosenSlide;
}
if ($newSlide.length) {
/**
* Triggers before the next slide starts animating in and only if a next slide has been found.
* @event Orbit#beforeslidechange
*/
this.$element.trigger('beforeslidechange.zf.orbit', [$curSlide, $newSlide]);
if (this.options.bullets) {
idx = idx || this.$slides.index($newSlide); //grab index to update bullets
this._updateBullets(idx);
}
if (this.options.useMUI && !this.$element.is(':hidden')) {
Foundation.Motion.animateIn($newSlide.addClass('is-active').css({ 'position': 'absolute', 'top': 0 }), this.options['animInFrom' + dirIn], function () {
$newSlide.css({ 'position': 'relative', 'display': 'block' }).attr('aria-live', 'polite');
});
Foundation.Motion.animateOut($curSlide.removeClass('is-active'), this.options['animOutTo' + dirOut], function () {
$curSlide.removeAttr('aria-live');
if (_this.options.autoPlay && !_this.timer.isPaused) {
_this.timer.restart();
}
//do stuff?
});
} else {
$curSlide.removeClass('is-active is-in').removeAttr('aria-live').hide();
$newSlide.addClass('is-active is-in').attr('aria-live', 'polite').show();
if (this.options.autoPlay && !this.timer.isPaused) {
this.timer.restart();
}
}
/**
* Triggers when the slide has finished animating in.
* @event Orbit#slidechange
*/
this.$element.trigger('slidechange.zf.orbit', [$newSlide]);
}
}
/**
* Updates the active state of the bullets, if displayed.
* @function
* @private
* @param {Number} idx - the index of the current slide.
*/
}, {
key: '_updateBullets',
value: function _updateBullets(idx) {
var $oldBullet = this.$element.find('.' + this.options.boxOfBullets).find('.is-active').removeClass('is-active').blur(),
span = $oldBullet.find('span:last').detach(),
$newBullet = this.$bullets.eq(idx).addClass('is-active').append(span);
}
/**
* Destroys the carousel and hides the element.
* @function
*/
}, {
key: 'destroy',
value: function destroy() {
this.$element.off('.zf.orbit').find('*').off('.zf.orbit').end().hide();
Foundation.unregisterPlugin(this);
}
}]);
return Orbit;
}();
Orbit.defaults = {
/**
* Tells the JS to look for and loadBullets.
* @option
* @example true
*/
bullets: true,
/**
* Tells the JS to apply event listeners to nav buttons
* @option
* @example true
*/
navButtons: true,
/**
* motion-ui animation class to apply
* @option
* @example 'slide-in-right'
*/
animInFromRight: 'slide-in-right',
/**
* motion-ui animation class to apply
* @option
* @example 'slide-out-right'
*/
animOutToRight: 'slide-out-right',
/**
* motion-ui animation class to apply
* @option
* @example 'slide-in-left'
*
*/
animInFromLeft: 'slide-in-left',
/**
* motion-ui animation class to apply
* @option
* @example 'slide-out-left'
*/
animOutToLeft: 'slide-out-left',
/**
* Allows Orbit to automatically animate on page load.
* @option
* @example true
*/
autoPlay: true,
/**
* Amount of time, in ms, between slide transitions
* @option
* @example 5000
*/
timerDelay: 5000,
/**
* Allows Orbit to infinitely loop through the slides
* @option
* @example true
*/
infiniteWrap: true,
/**
* Allows the Orbit slides to bind to swipe events for mobile, requires an additional util library
* @option
* @example true
*/
swipe: true,
/**
* Allows the timing function to pause animation on hover.
* @option
* @example true
*/
pauseOnHover: true,
/**
* Allows Orbit to bind keyboard events to the slider, to animate frames with arrow keys
* @option
* @example true
*/
accessible: true,
/**
* Class applied to the container of Orbit
* @option
* @example 'orbit-container'
*/
containerClass: 'orbit-container',
/**
* Class applied to individual slides.
* @option
* @example 'orbit-slide'
*/
slideClass: 'orbit-slide',
/**
* Class applied to the bullet container. You're welcome.
* @option
* @example 'orbit-bullets'
*/
boxOfBullets: 'orbit-bullets',
/**
* Class applied to the `next` navigation button.
* @option
* @example 'orbit-next'
*/
nextClass: 'orbit-next',
/**
* Class applied to the `previous` navigation button.
* @option
* @example 'orbit-previous'
*/
prevClass: 'orbit-previous',
/**
* Boolean to flag the js to use motion ui classes or not. Default to true for backwards compatability.
* @option
* @example true
*/
useMUI: true
};
// Window exports
Foundation.plugin(Orbit, 'Orbit');
}(jQuery);
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