jquery.fullscreenScroll.js
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;(function($){
$.extend( jQuery.easing,
{
fx :function (x, t, b, c, d) {
return -c * ((t=t/d-1)*t*t*t - 1) + b;
}
});
$.fn.fullscreenScroll = function(options){
var def = {
index : 0,
speed : 1000,
fx : 'fx',
callback_start : $.noop,
callback : $.noop,
pager : null,
className : 'cur',
events : 'click'
}
var setting = $.extend(def,options);
var self = this;
var len,height,curIndex,list;
curIndex = setting.index;
this.init = function(){
list = $(this).children();
len = list.length;
height = $(window).height();
if(setting.pager){
if($(setting.pager).children().length > 0){
}else{
for(var i = 0,s = '' ; i < len; i++){
if(i === setting.index){
s += '<a class="'+setting.className+'" href="javascript:;">'+'</a>';
}else{
s += '<a href="javascript:;">'+'</a>';
}
}
$(setting.pager).empty().append(s);
}
}
}
this.skip = function(num){
num < 0 ? num = 0 : num > len - 1 ? num = len - 1 : true;
if(num == curIndex) return;
//callback_start
setting.callback_start(num);
self.stop(true).animate({top : -height * num},setting.speed,setting.fx,function(){
setting.callback.call(self,num);
});
if(setting.pager){
$(setting.pager).children().eq(num).addClass(setting.className).siblings().removeClass(setting.className);
}
curIndex = num;
}
// 初始化
this.init();
this.skip(setting.index);
//events
if($(document).mousewheel){
var delayTime = 150, timeHandle = null;
$(this).mousewheel(function(e,d){
clearTimeout(delayTime);
timeHandle = setTimeout(function(){
self.skip(curIndex-d);
},delayTime);
});
}else{
//alert('缺少滚轮事件支持！');
}
if(setting.pager){
$(setting.pager).delegate('a',setting.events,function(){
self.skip($(this).index());
});
}
$(window).resize(function(){
self.init();
self.skip(curIndex);
});
return this;
}
})(jQuery);
$(function(){
})