447 lines
12 KiB
JavaScript
447 lines
12 KiB
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
!function($) {
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Orbit module.
|
||
|
|
* @module foundation.orbit
|
||
|
|
* @requires foundation.util.keyboard
|
||
|
|
* @requires foundation.util.motion
|
||
|
|
* @requires foundation.util.timerAndImageLoader
|
||
|
|
* @requires foundation.util.touch
|
||
|
|
*/
|
||
|
|
|
||
|
|
class Orbit {
|
||
|
|
/**
|
||
|
|
* Creates a new instance of an orbit carousel.
|
||
|
|
* @class
|
||
|
|
* @param {jQuery} element - jQuery object to make into an Orbit Carousel.
|
||
|
|
* @param {Object} options - Overrides to the default plugin settings.
|
||
|
|
*/
|
||
|
|
constructor(element, options){
|
||
|
|
this.$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
|
||
|
|
*/
|
||
|
|
_init() {
|
||
|
|
this.$wrapper = this.$element.find(`.${this.options.containerClass}`);
|
||
|
|
this.$slides = this.$element.find(`.${this.options.slideClass}`);
|
||
|
|
var $images = this.$element.find('img'),
|
||
|
|
initActive = this.$slides.filter('.is-active');
|
||
|
|
|
||
|
|
if (!initActive.length) {
|
||
|
|
this.$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.$wrapper.attr('tabindex', 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Creates a jQuery collection of bullets, if they are being used.
|
||
|
|
* @function
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
_loadBullets() {
|
||
|
|
this.$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
|
||
|
|
*/
|
||
|
|
geoSync() {
|
||
|
|
var _this = this;
|
||
|
|
this.timer = new Foundation.Timer(
|
||
|
|
this.$element,
|
||
|
|
{
|
||
|
|
duration: this.options.timerDelay,
|
||
|
|
infinite: false
|
||
|
|
},
|
||
|
|
function() {
|
||
|
|
_this.changeSlide(true);
|
||
|
|
});
|
||
|
|
this.timer.start();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets wrapper and slide heights for the orbit.
|
||
|
|
* @function
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
_prepareForOrbit() {
|
||
|
|
var _this = this;
|
||
|
|
this._setWrapperHeight(function(max){
|
||
|
|
_this._setSlideHeight(max);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Calulates the height of each slide in the collection, and uses the tallest one for the wrapper height.
|
||
|
|
* @function
|
||
|
|
* @private
|
||
|
|
* @param {Function} cb - a callback function to fire when complete.
|
||
|
|
*/
|
||
|
|
_setWrapperHeight(cb) {//rewrite this to `for` loop
|
||
|
|
var max = 0, temp, counter = 0;
|
||
|
|
|
||
|
|
this.$slides.each(function() {
|
||
|
|
temp = this.getBoundingClientRect().height;
|
||
|
|
$(this).attr('data-slide', counter);
|
||
|
|
|
||
|
|
if (counter) {//if not the first 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.$wrapper.css({'height': max}); //only change the wrapper height property once.
|
||
|
|
cb(max); //fire callback with max height dimension.
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets the max-height of each slide.
|
||
|
|
* @function
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
_setSlideHeight(height) {
|
||
|
|
this.$slides.each(function() {
|
||
|
|
$(this).css('max-height', height);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds event listeners to basically everything within the element.
|
||
|
|
* @function
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
_events() {
|
||
|
|
var _this = this;
|
||
|
|
|
||
|
|
//***************************************
|
||
|
|
//**Now using custom event - thanks to:**
|
||
|
|
//** Yohai Ararat of Toronto **
|
||
|
|
//***************************************
|
||
|
|
if (this.$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, $slide, idx);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
this.$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();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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
|
||
|
|
*/
|
||
|
|
changeSlide(isLTR, chosenSlide, idx) {
|
||
|
|
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) {
|
||
|
|
if (this.options.bullets) {
|
||
|
|
idx = idx || this.$slides.index($newSlide); //grab index to update bullets
|
||
|
|
this._updateBullets(idx);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this.options.useMUI) {
|
||
|
|
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.
|
||
|
|
*/
|
||
|
|
_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
|
||
|
|
*/
|
||
|
|
destroy() {
|
||
|
|
this.$element.off('.zf.orbit').find('*').off('.zf.orbit').end().hide();
|
||
|
|
Foundation.unregisterPlugin(this);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
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);
|