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412 lines
13 KiB
412 lines
13 KiB
;(function ($, window, document, undefined) {
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'use strict';
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var noop = function() {};
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var Orbit = function(el, settings) {
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// Don't reinitialize plugin
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if (el.hasClass(settings.slides_container_class)) {
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return this;
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}
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var self = this,
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container,
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slides_container = el,
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number_container,
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bullets_container,
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timer_container,
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idx = 0,
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animate,
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timer,
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locked = false,
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adjust_height_after = false;
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slides_container.children().first().addClass(settings.active_slide_class);
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self.update_slide_number = function(index) {
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if (settings.slide_number) {
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number_container.find('span:first').text(parseInt(index)+1);
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number_container.find('span:last').text(slides_container.children().length);
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}
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if (settings.bullets) {
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bullets_container.children().removeClass(settings.bullets_active_class);
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$(bullets_container.children().get(index)).addClass(settings.bullets_active_class);
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}
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};
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self.build_markup = function() {
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slides_container.wrap('<div class="'+settings.container_class+'"></div>');
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container = slides_container.parent();
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slides_container.addClass(settings.slides_container_class);
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if (settings.navigation_arrows) {
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container.append($('<a>').addClass(settings.prev_class).append('<span>'));
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container.append($('<a>').addClass(settings.next_class).append('<span>'));
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}
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if (settings.timer) {
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timer_container = $('<div>').addClass(settings.timer_container_class);
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timer_container.append('<span>');
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timer_container.append($('<div>').addClass(settings.timer_progress_class));
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timer_container.addClass(settings.timer_paused_class);
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container.append(timer_container);
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}
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if (settings.slide_number) {
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number_container = $('<div>').addClass(settings.slide_number_class);
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number_container.append('<span></span> of <span></span>');
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container.append(number_container);
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}
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if (settings.bullets) {
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bullets_container = $('<ol>').addClass(settings.bullets_container_class);
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container.append(bullets_container);
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slides_container.children().each(function(idx, el) {
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var bullet = $('<li>').attr('data-orbit-slide', idx);
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bullets_container.append(bullet);
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});
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}
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if (settings.stack_on_small) {
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container.addClass(settings.stack_on_small_class);
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}
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self.update_slide_number(0);
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};
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self._goto = function(next_idx, start_timer) {
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// if (locked) {return false;}
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if (next_idx === idx) {return false;}
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if (typeof timer === 'object') {timer.restart();}
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var slides = slides_container.children();
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var dir = 'next';
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locked = true;
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if (next_idx < idx) {dir = 'prev';}
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if (next_idx >= slides.length) {next_idx = 0;}
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else if (next_idx < 0) {next_idx = slides.length - 1;}
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var current = $(slides.get(idx));
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var next = $(slides.get(next_idx));
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current.css('zIndex', 2);
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next.css('zIndex', 4).addClass('active');
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slides_container.trigger('orbit:before-slide-change');
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settings.before_slide_change();
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var callback = function() {
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var unlock = function() {
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idx = next_idx;
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locked = false;
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if (start_timer === true) {timer = self.create_timer(); timer.start();}
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self.update_slide_number(idx);
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slides_container.trigger('orbit:after-slide-change',[{slide_number: idx, total_slides: slides.length}]);
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settings.after_slide_change(idx, slides.length);
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};
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if (slides_container.height() != next.height()) {
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slides_container.animate({'height': next.height()}, 250, 'linear', unlock);
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} else {
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unlock();
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}
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};
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if (slides.length === 1) {callback(); return false;}
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var start_animation = function() {
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if (dir === 'next') {animate.next(current, next, callback);}
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if (dir === 'prev') {animate.prev(current, next, callback);}
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};
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if (next.height() > slides_container.height()) {
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slides_container.animate({'height': next.height()}, 250, 'linear', start_animation);
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} else {
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start_animation();
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}
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};
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self.next = function(e) {
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e.stopImmediatePropagation();
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e.preventDefault();
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self._goto(idx + 1);
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};
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self.prev = function(e) {
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e.stopImmediatePropagation();
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e.preventDefault();
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self._goto(idx - 1);
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};
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self.link_custom = function(e) {
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e.preventDefault();
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var link = $(this).attr('data-orbit-link');
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if ((typeof link === 'string') && (link = $.trim(link)) != "") {
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var slide = container.find('[data-orbit-slide='+link+']');
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if (slide.index() != -1) {self._goto(slide.index());}
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}
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};
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self.link_bullet = function(e) {
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var index = $(this).attr('data-orbit-slide');
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if ((typeof index === 'string') && (index = $.trim(index)) != "") {
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self._goto(index);
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}
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}
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self.timer_callback = function() {
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self._goto(idx + 1, true);
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}
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self.compute_dimensions = function() {
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var current = $(slides_container.children().get(idx));
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var h = current.height();
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if (!settings.variable_height) {
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slides_container.children().each(function(){
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if ($(this).height() > h) { h = $(this).height(); }
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});
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}
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slides_container.height(h);
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};
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self.create_timer = function() {
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var t = new Timer(
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container.find('.'+settings.timer_container_class),
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settings,
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self.timer_callback
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);
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return t;
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};
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self.stop_timer = function() {
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if (typeof timer === 'object') timer.stop();
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};
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self.toggle_timer = function() {
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var t = container.find('.'+settings.timer_container_class);
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if (t.hasClass(settings.timer_paused_class)) {
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if (typeof timer === 'undefined') {timer = self.create_timer();}
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timer.start();
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}
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else {
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if (typeof timer === 'object') {timer.stop();}
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}
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};
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self.init = function() {
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self.build_markup();
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if (settings.timer) {timer = self.create_timer(); timer.start();}
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animate = new FadeAnimation(slides_container);
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if (settings.animation === 'slide')
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animate = new SlideAnimation(slides_container);
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container.on('click', '.'+settings.next_class, self.next);
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container.on('click', '.'+settings.prev_class, self.prev);
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container.on('click', '[data-orbit-slide]', self.link_bullet);
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container.on('click', self.toggle_timer);
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container.on('touchstart.fndtn.orbit', function(e) {
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if (!e.touches) {e = e.originalEvent;}
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var data = {
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start_page_x: e.touches[0].pageX,
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start_page_y: e.touches[0].pageY,
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start_time: (new Date()).getTime(),
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delta_x: 0,
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is_scrolling: undefined
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};
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container.data('swipe-transition', data);
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e.stopPropagation();
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})
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.on('touchmove.fndtn.orbit', function(e) {
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if (!e.touches) { e = e.originalEvent; }
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// Ignore pinch/zoom events
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if(e.touches.length > 1 || e.scale && e.scale !== 1) return;
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var data = container.data('swipe-transition');
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if (typeof data === 'undefined') {data = {};}
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data.delta_x = e.touches[0].pageX - data.start_page_x;
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if ( typeof data.is_scrolling === 'undefined') {
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data.is_scrolling = !!( data.is_scrolling || Math.abs(data.delta_x) < Math.abs(e.touches[0].pageY - data.start_page_y) );
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}
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if (!data.is_scrolling && !data.active) {
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e.preventDefault();
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var direction = (data.delta_x < 0) ? (idx+1) : (idx-1);
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data.active = true;
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self._goto(direction);
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}
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})
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.on('touchend.fndtn.orbit', function(e) {
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container.data('swipe-transition', {});
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e.stopPropagation();
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})
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.on('mouseenter.fndtn.orbit', function(e) {
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if (settings.timer && settings.pause_on_hover) {
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self.stop_timer();
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}
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})
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.on('mouseleave.fndtn.orbit', function(e) {
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if (settings.timer && settings.resume_on_mouseout) {
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timer.start();
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}
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});
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$(document).on('click', '[data-orbit-link]', self.link_custom);
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$(window).on('resize', self.compute_dimensions);
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$(window).on('load', self.compute_dimensions);
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slides_container.trigger('orbit:ready');
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};
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self.init();
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};
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var Timer = function(el, settings, callback) {
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var self = this,
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duration = settings.timer_speed,
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progress = el.find('.'+settings.timer_progress_class),
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start,
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timeout,
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left = -1;
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this.update_progress = function(w) {
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var new_progress = progress.clone();
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new_progress.attr('style', '');
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new_progress.css('width', w+'%');
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progress.replaceWith(new_progress);
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progress = new_progress;
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};
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this.restart = function() {
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clearTimeout(timeout);
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el.addClass(settings.timer_paused_class);
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left = -1;
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self.update_progress(0);
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};
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this.start = function() {
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if (!el.hasClass(settings.timer_paused_class)) {return true;}
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left = (left === -1) ? duration : left;
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el.removeClass(settings.timer_paused_class);
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start = new Date().getTime();
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progress.animate({'width': '100%'}, left, 'linear');
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timeout = setTimeout(function() {
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self.restart();
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callback();
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}, left);
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el.trigger('orbit:timer-started')
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};
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this.stop = function() {
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if (el.hasClass(settings.timer_paused_class)) {return true;}
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clearTimeout(timeout);
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el.addClass(settings.timer_paused_class);
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var end = new Date().getTime();
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left = left - (end - start);
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var w = 100 - ((left / duration) * 100);
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self.update_progress(w);
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el.trigger('orbit:timer-stopped');
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};
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};
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var SlideAnimation = function(container) {
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var duration = 400;
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var is_rtl = ($('html[dir=rtl]').length === 1);
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var margin = is_rtl ? 'marginRight' : 'marginLeft';
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this.next = function(current, next, callback) {
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next.animate({margin: '0%'}, duration, 'linear', function() {
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current.css(margin, '100%');
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callback();
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});
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};
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this.prev = function(current, prev, callback) {
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prev.css(margin, '-100%');
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prev.animate({margin:'0%'}, duration, 'linear', function() {
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current.css(margin, '100%');
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callback();
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});
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};
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};
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var FadeAnimation = function(container) {
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var duration = 250;
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this.next = function(current, next, callback) {
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next.css({'marginLeft':'0%', 'opacity':'0.01'});
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next.animate({'opacity':'1'}, duration, 'linear', function() {
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current.css('marginLeft', '100%');
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callback();
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});
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};
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this.prev = function(current, prev, callback) {
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prev.css({'marginLeft':'0%', 'opacity':'0.01'});
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prev.animate({'opacity':'1'}, duration, 'linear', function() {
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current.css('marginLeft', '100%');
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callback();
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});
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};
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};
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Foundation.libs = Foundation.libs || {};
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Foundation.libs.orbit = {
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name: 'orbit',
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version: '4.3.1',
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settings: {
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animation: 'slide',
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timer_speed: 10000,
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pause_on_hover: true,
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resume_on_mouseout: false,
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animation_speed: 500,
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stack_on_small: false,
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navigation_arrows: true,
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slide_number: true,
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container_class: 'orbit-container',
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stack_on_small_class: 'orbit-stack-on-small',
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next_class: 'orbit-next',
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prev_class: 'orbit-prev',
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timer_container_class: 'orbit-timer',
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timer_paused_class: 'paused',
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timer_progress_class: 'orbit-progress',
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slides_container_class: 'orbit-slides-container',
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bullets_container_class: 'orbit-bullets',
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bullets_active_class: 'active',
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slide_number_class: 'orbit-slide-number',
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caption_class: 'orbit-caption',
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active_slide_class: 'active',
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orbit_transition_class: 'orbit-transitioning',
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bullets: true,
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timer: true,
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variable_height: false,
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before_slide_change: noop,
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after_slide_change: noop
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},
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init: function (scope, method, options) {
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var self = this;
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Foundation.inherit(self, 'data_options');
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if (typeof method === 'object') {
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$.extend(true, self.settings, method);
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}
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if ($(scope).is('[data-orbit]')) {
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var $el = $(scope);
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var opts = self.data_options($el);
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new Orbit($el, $.extend({},self.settings, opts));
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}
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$('[data-orbit]', scope).each(function(idx, el) {
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var $el = $(el);
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var opts = self.data_options($el);
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new Orbit($el, $.extend({},self.settings, opts));
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});
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}
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};
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}(Foundation.zj, this, this.document));
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