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| ;function getByClass(obj, sclass) {
var allEle = obj.getElementsByTagName('*');
var aResult = [];
var re = new RegExp('\\b' + sclass + '\\b');
for (var i= 0; i < allEle.length; i++) {
if (re.test(allEle[i].className)) {
aResult.push(allEle[i]);
}
}
return aResult;
}
function extend(obj1, obj2) {
for(var attr in obj2) {
obj1[attr] = obj2[attr];
}
}
function addEvent(obj, events, fn) {
obj.listeners = obj.listeners || {};
obj.listeners[events] = obj.listeners[events] || [];
obj.listeners[events].push(fn);
if (obj.addEventListener) {
obj.addEventListener(events,fn,false);
} else {
obj.attachEvent('on' + events,fn);
}
}
function fireEvent(obj, events) {
for(var i = 0; i < obj.listeners[events].length; i++) {
obj.listeners[events][i]();
}
}
function TabList(id) {
this.tab = document.getElementById(id);
this.tabTb = getByClass(this.tab, 'tab-tb')[0];
this.tabTbLi = this.tabTb.getElementsByTagName('li');
this.tabTd = getByClass(this.tab, 'tab-td')[0];
this.tabTdLi = this.tabTd.getElementsByTagName('li');
this.iNow = 0;
this.settings = {
event: 'mouseover',
delay: 0,
autoplay: false,
autotime: 5000,
nowSel: 1
}
}
TabList.prototype.init = function(opt) {
var _this = this;
extend(this.settings, opt);
if (this.settings.autoplay) {
this.autoPlay(this.settings.autotime);
}
for (var i=0; i<this.tabTbLi.length; i++) {
this.tabTbLiA = this.tabTbLi[i].getElementsByTagName('a')[0];
this.tabTbLi[i].index = i;
this.tabTbLiA.index = i;
addEvent(this.tabTbLiA, this.settings.event, function() {
var This = this;
if (_this.settings.event === 'mouseover' && _this.settings.delay) {
_this.delayTimer = setTimeout(function() {
_this.tabShow(This);
_this.iNow = This.parentNode.index;
},_this.settings.delay);
} else {
_this.tabShow(This);
_this.iNow = This.parentNode.index;
}
});
this.tabTbLiA.onmouseout = function() {
clearTimeout(_this.delayTimer);
}
}
this.tabActive(this.tabTbLi[this.settings.nowSel-1].getElementsByTagName('a')[0]);
}
TabList.prototype.tabShow = function(obj) {
for(var i = 0; i<this.tabTbLi.length; i++) {
this.tabTbLi[i].className = '';
this.tabTdLi[i].style.display = 'none';
}
obj.index = obj.parentNode.index;
this.tabActive(obj);
}
TabList.prototype.tabActive = function(obj) {
obj.parentNode.className = 'active';
this.tabTdLi[obj.index].style.display = 'block';
}
TabList.prototype.autoPlay = function(time) {
var _this = this;
this.autofn(time);
for (var i = 0; i < this.tabTbLi.length; i++) {
this.tabTbLiA = this.tabTbLi[i].getElementsByTagName('a')[0];
this.tabTbLiA.onmouseover = function() {
this.iNow = this.parentNode.index;
clearInterval(_this.autoTimer);
}
}
this.tabTd.onmouseover = function() {
clearInterval(_this.autoTimer);
}
this.tabTbLiA.onmouseout = this.tabTd.onmouseout = function() {
_this.autofn(_this.settings.autotime);
}
return this;
}
TabList.prototype.autofn = function(time) {
var _this = this;
_this.autoTimer = setInterval(function(){
if( _this.iNow === _this.tabTbLi.length-1) {
_this.iNow = 0;
} else {
_this.iNow++;
}
for (var i = 0; i < _this.tabTbLi.length; i++) {
_this.tabTbLi[i].className = '';
_this.tabTdLi[i].style.display = 'none';
}
_this.tabTbLi[_this.iNow].className = 'active';
_this.tabTdLi[_this.iNow].style.display = 'block';
}, time);
}
|