westdc-zf1/htdocs/js/textSlider.js

63 lines
2.2 KiB
JavaScript

/**
* Created by weber on 2015/1/30.
*/
/**
* @author feiwen
*/
(function($){
$.fn.textSlider = function(settings){
settings = jQuery.extend({
speed : "normal",
line : 2,
timer : 1000
}, settings);
return this.each(function() {
$.fn.textSlider.scllor( $( this ), settings );
});
};
$.fn.textSlider.scllor = function($this, settings){
//alert($this.html());
var ul = $( "ul:eq(0)", $this );
var timerID;
var li = ul.children();
var _btnUp=$(".up:eq(0)", $this)
var _btnDown=$(".down:eq(0)", $this)
var liHight=$(li[0]).height();
var upHeight=0-settings.line*liHight;//滚动的高度;
var scrollUp=function(){
_btnUp.unbind("click",scrollUp);
ul.animate({marginTop:upHeight},settings.speed,function(){
for(i=0;i<settings.line;i++){
//$(li[i]).appendTo(ul);
ul.find("li:first").appendTo(ul);
// alert(ul.html());
}
ul.css({marginTop:0});
_btnUp.bind("click",scrollUp); //Shawphy:绑定向上按钮的点击事件
});
};
var scrollDown=function(){
_btnDown.unbind("click",scrollDown);
ul.css({marginTop:upHeight});
for(i=0;i<settings.line;i++){
ul.find("li:last").prependTo(ul);
}
ul.animate({marginTop:0},settings.speed,function(){
_btnDown.bind("click",scrollDown); //Shawphy:绑定向上按钮的点击事件
});
};
var autoPlay=function(){
timerID = window.setInterval(scrollUp,settings.timer);
//alert(settings.timer);
};
var autoStop = function(){
window.clearInterval(timerID);
};
//事件绑定
ul.hover(autoStop,autoPlay).mouseout();
_btnUp.css("cursor","pointer").click( scrollUp );
_btnUp.hover(autoStop,autoPlay);
_btnDown.css("cursor","pointer").click( scrollDown );
_btnDown.hover(autoStop,autoPlay)
};
})(jQuery);