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Direktori : /home2/selectio/www/pvmatricschool.com/old/assets/js/ |
Current File : /home2/selectio/www/pvmatricschool.com/old/assets/js/hero-slider.js |
(function () { "use strict"; var slidesWrapper = $('.cd-hero-slider'); //check if a .cd-hero-slider exists in the DOM if ( slidesWrapper.length > 0 ) { var primaryNav = $('.cd-primary-nav'), sliderNav = $('.cd-slider-nav'), navigationMarker = $('.cd-marker'), slidesNumber = slidesWrapper.children('li').length, visibleSlidePosition = 0, autoPlayId, autoPlayDelay = 5000000; //upload videos (if not on mobile devices) uploadVideo(slidesWrapper); //autoplay slider setAutoplay(slidesWrapper, slidesNumber, autoPlayDelay); //on mobile - open/close primary navigation clicking/tapping the menu icon primaryNav.on('click', function(event){ if($(event.target).is('.cd-primary-nav')) $(this).children('ul').toggleClass('is-visible'); }); //change visible slide sliderNav.on('click', 'li', function(event){ event.preventDefault(); var selectedItem = $(this); if(!selectedItem.hasClass('selected')) { // if it's not already selected var selectedPosition = selectedItem.index(), activePosition = slidesWrapper.find('li.selected').index(); if( activePosition < selectedPosition) { nextSlide(slidesWrapper.find('.selected'), slidesWrapper, sliderNav, selectedPosition); } else { prevSlide(slidesWrapper.find('.selected'), slidesWrapper, sliderNav, selectedPosition); } //this is used for the autoplay visibleSlidePosition = selectedPosition; updateSliderNavigation(sliderNav, selectedPosition); updateNavigationMarker(navigationMarker, selectedPosition+1); //reset autoplay setAutoplay(slidesWrapper, slidesNumber, autoPlayDelay); } }); } function nextSlide(visibleSlide, container, pagination, n){ visibleSlide.removeClass('selected from-left from-right').addClass('is-moving').one('webkitTransitionEnd otransitionend oTransitionEnd msTransitionEnd transitionend', function(){ visibleSlide.removeClass('is-moving'); }); container.children('li').eq(n).addClass('selected from-right').prevAll().addClass('move-left'); checkVideo(visibleSlide, container, n); } function prevSlide(visibleSlide, container, pagination, n){ visibleSlide.removeClass('selected from-left from-right').addClass('is-moving').one('webkitTransitionEnd otransitionend oTransitionEnd msTransitionEnd transitionend', function(){ visibleSlide.removeClass('is-moving'); }); container.children('li').eq(n).addClass('selected from-left').removeClass('move-left').nextAll().removeClass('move-left'); checkVideo(visibleSlide, container, n); } function updateSliderNavigation(pagination, n) { var navigationDot = pagination.find('.selected'); navigationDot.removeClass('selected'); pagination.find('li').eq(n).addClass('selected'); } function setAutoplay(wrapper, length, delay) { if(wrapper.hasClass('autoplay')) { clearInterval(autoPlayId); autoPlayId = window.setInterval(function(){autoplaySlider(length)}, delay); } } function autoplaySlider(length) { if( visibleSlidePosition < length - 1) { nextSlide(slidesWrapper.find('.selected'), slidesWrapper, sliderNav, visibleSlidePosition + 1); visibleSlidePosition +=1; } else { prevSlide(slidesWrapper.find('.selected'), slidesWrapper, sliderNav, 0); visibleSlidePosition = 0; } updateNavigationMarker(navigationMarker, visibleSlidePosition+1); updateSliderNavigation(sliderNav, visibleSlidePosition); } function uploadVideo(container) { container.find('.cd-bg-video-wrapper').each(function(){ var videoWrapper = $(this); if( videoWrapper.is(':visible') ) { // if visible - we are not on a mobile device var videoUrl = videoWrapper.data('video'), video = $('<video loop><source src="'+videoUrl+'.mp4" type="video/mp4" /><source src="'+videoUrl+'.webm" type="video/webm" /></video>'); video.appendTo(videoWrapper); // play video if first slide if(videoWrapper.parent('.cd-bg-video.selected').length > 0) video.get(0).play(); } }); } function checkVideo(hiddenSlide, container, n) { //check if a video outside the viewport is playing - if yes, pause it var hiddenVideo = hiddenSlide.find('video'); if( hiddenVideo.length > 0 ) hiddenVideo.get(0).pause(); //check if the select slide contains a video element - if yes, play the video var visibleVideo = container.children('li').eq(n).find('video'); if( visibleVideo.length > 0 ) visibleVideo.get(0).play(); } function updateNavigationMarker(marker, n) { marker.removeClassPrefix('item').addClass('item-'+n); } $.fn.removeClassPrefix = function(prefix) { //remove all classes starting with 'prefix' this.each(function(i, el) { var classes = el.className.split(" ").filter(function(c) { return c.lastIndexOf(prefix, 0) !== 0; }); el.className = $.trim(classes.join(" ")); }); return this; }; })(jQuery);