72 lines
2.3 KiB
JavaScript
72 lines
2.3 KiB
JavaScript
$(document).ready(function() {
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//Execute the slideShow, set 4 seconds for each images
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slideShow(4000);
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});
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function slideShow(speed) {
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//append a LI item to the UL list for displaying caption
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$('ul.slideshow').append('<li id="slideshow-caption" class="caption"><div class="slideshow-caption-container"><h3></h3><p></p></div></li>');
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//Set the opacity of all images to 0
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$('ul.slideshow li').css({opacity: 0.0});
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//Get the first image and display it (set it to full opacity)
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$('ul.slideshow li:first').css({opacity: 1.0}).addClass('show');
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//Get the caption of the first image from REL attribute and display it
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$('#slideshow-caption h3').html($('ul.slideshow li.show').find('img').attr('title'));
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$('#slideshow-caption p').html($('ul.slideshow li.show').find('img').attr('alt'));
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//Display the caption
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$('#slideshow-caption').css({opacity: 0.5, bottom:0});
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//Call the gallery function to run the slideshow
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var timer = setInterval('gallery()',speed);
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//pause the slideshow on mouse over
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$('ul.slideshow').hover(
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function () {
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clearInterval(timer);
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},
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function () {
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timer = setInterval('gallery()',speed);
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}
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);
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}
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function gallery() {
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//if no IMGs have the show class, grab the first image
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var current = ($('ul.slideshow li.show')? $('ul.slideshow li.show') : $('#ul.slideshow li:first'));
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//trying to avoid speed issue
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if(current.queue('fx').length == 0) {
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//Get next image, if it reached the end of the slideshow, rotate it back to the first image
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var next = ((current.next().length) ? ((current.next().attr('id') == 'slideshow-caption')? $('ul.slideshow li:first') :current.next()) : $('ul.slideshow li:first'));
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//Get next image caption
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var title = next.find('img').attr('title');
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var desc = next.find('img').attr('alt');
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//Set the fade in effect for the next image, show class has higher z-index
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next.css({opacity: 0.0}).addClass('show').animate({opacity: 1.0}, 1000);
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//Hide the caption first, and then set and display the caption
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$('#slideshow-caption').slideToggle(300, function () {
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$('#slideshow-caption h3').html(title);
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$('#slideshow-caption p').html(desc);
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$('#slideshow-caption').slideToggle(500);
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});
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//Hide the current image
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current.animate({opacity: 0.0}, 1000).removeClass('show');
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}
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}
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