梦を描くピクチャーの轮播-改

<div  class="infiniteCarousels" style="float:left;margin-top:5px;"> 

<div style="width:280px;height:180px;overflow:hidden;">

<ul id='imgscrolls' >

{dede:arclist row=4 orderby=pubdate type='image.' typeid='25' }

<li style="float:left;display:inline;">

<div style="position: relative; width: 400px; height:145px;color:white;">

<img  src="[field:litpic/]" style="width:280px;height:180px">

<span style="position:absolute; bottom:-35px; left:0; line-height:1.5; width:280px; background-color:rgba(0,0,0,0.5);">[field:title/]</span>

</div>

{/dede:arclist}                   

</li>

</ul>

</div>    

</div>

(function () {

    $.fn.infiniteCarousels = function () {

        function repeat(str, n) {

            return new Array( n + 1 ).join(str);

        }

        

        return this.each(function () {

            // magic!

            var $wrapper = $('> div', this).css('overflow', 'hidden'),

                $slider = $wrapper.find('> ul').width(9999),

                $items = $slider.find('> li'),

                $single = $items.filter(':first')

                

                singleWidth = $single.outerWidth(),

                visible = Math.ceil($wrapper.innerWidth() / singleWidth),

                currentPage = 1,

                pages = Math.ceil($items.length / visible);

                

            /* TASKS */

            

            // 1. pad the pages with empty element if required

            if ($items.length % visible != 0) {

                // pad

                $slider.append(repeat('<li class="empty" />', visible - ($items.length % visible)));

                $items = $slider.find('> li');

            }

            

            // 2. create the carousel padding on left and right (cloned)

            $items.filter(':first').before($items.slice(-visible).clone().addClass('cloned'));

            $items.filter(':last').after($items.slice(0, visible).clone().addClass('cloned'));

            $items = $slider.find('> li');

            

            // 3. reset scroll

            $wrapper.scrollLeft(singleWidth * visible);

            

            // 4. paging function

            function gotoPage(page) {

                var dir = page < currentPage ? -1 : 1,

                    n = Math.abs(currentPage - page),

                    left = singleWidth * dir * visible * n;

                

                $wrapper.filter(':not(:animated)').animate({

                    scrollLeft : '+=' + left

                }, 500, function () {

                    // if page == last page - then reset position

                    if (page > pages) {

                        $wrapper.scrollLeft(singleWidth * visible);

                        page = 1;

                    } else if (page == 0) {

                        page = pages;

                        $wrapper.scrollLeft(singleWidth * visible * pages);

                    }

                    

                    currentPage = page;

                });

            }

            

            // 5. insert the back and forward link

             //$wrapper.after('<a href="#" class="arrow back">1</a><a href="#" class="arrow forward">2</a>');

            

            // 6. bind the back and forward links

            $('a.back', this).click(function () {

                gotoPage(currentPage - 1);

                return false;

            });

            

            $('a.forward', this).click(function () {

                gotoPage(currentPage + 1);

                return false;

            });

            

            $(this).bind('goto', function (event, page) {

                gotoPage(page);

            });

            

            // THIS IS NEW CODE FOR THE AUTOMATIC INFINITE CAROUSEL

            $(this).bind('next', function () {

                gotoPage(currentPage + 1);

            });

        });

    };

})(jQuery);







$(document).ready(function () {

    // THIS IS NEW CODE FOR THE AUTOMATIC INFINITE CAROUSEL

    var autoscrolling = true;

    if($('#imgscrolls > li').length>0)

    {

        $('.infiniteCarousels').infiniteCarousels().mouseover(function () {

            autoscrolling = false;

        }).mouseout(function () {

            autoscrolling = true;

        });

        setInterval(function () {

            if (autoscrolling) {

                $('.infiniteCarousels').trigger('next');

            }

        }, 5000);



    }

    

});