/**
 * slider v2 base on jquery
 * you can sent bug to hujf608@163.com
 * author : junlin
 * date   : 2013/10/22
 */

//main function
var linslide = function(){
    this.step  = null;
    this.focusboxid = null;
    this.contentdiv = null;
    this.action = 'soon';
    this.autoplay = false;
    this.timer = 5000;
    this.steptime = 1000;
    this.rbtnid = null;
    this.lbtnid = null;
    this.btnid = null;
    this.btnsondiv = null;
    this.btnsondivhover = null;
    this.debug = false;
    this.curitemid = null;
    this.totitemid = null;
    this.cycleflag = true;
    this.showitemnum = 1;
    this.humanfix = 0;
    this.humanfixmulty = 0;
    this.hoverstop = false;
    this.callback = false;
}

linslide.prototype={
    lis : null,
    lissize : null,
    fli : null,
    eli : null,
    curitem : 0,
    curbtnitem : 0,
    mflag : null,
    autoplayer : null,
    btnlistflag : false,
    lbtnflag : false,
    rbtnflag : false,
    curitemshowflag : false,
    _init : function (){
        var that = this;
        this.lis = $(this.focusboxid).children(this.contentdiv);
        this.lissize = this.lis.size();
        if(this.showitemnum>1){this.cycleflag=false;}
        this.curitem = 0;
        this.curbtnitem = 0;
        this.mflag = true;
        this.actioninit();
        this.btninit();
        this.hoverstopinit();
        if(this.totitemid&&this.objcheck(this.totitemid)){$(this.totitemid).html(this.lissize);}
        if(this.autoplay){this.autoplayer = settimeout(function(){that.doaction('next')},that.timer);}
        if(this.humanfix!=0){
            var myos = otherext.getos();
            var humanfixarr = this.humanfix.split('#');
            for(v in humanfixarr){
                var varr = humanfixarr[v].split('|');
                if(varr[1]==myos){
                    this.humanfix = parsefloat(varr[0]);
                    break;
                }else{
                    this.humanfix = 0;
                }
            }
        }
        if(this.humanfixmulty!=0){
            var myos = otherext.getos();
            var humanfixmultyarr = this.humanfixmulty.split('#');
            for(v in humanfixmultyarr){
                var varr = humanfixmultyarr[v].split('|');
                if(varr[1]==myos){
                    this.humanfixmulty = parsefloat(varr[0]);
                    break;
                }else{
                    this.humanfixmulty = 0;
                }
            }
        }
    },
    hoverstopinit : function(){
        var that = this;
        if(this.hoverstop&&this.autoplay)
        {
            if(this.lbtnflag){$(this.lbtnid).live({mouseover:function(){cleartimeout(that.autoplayer);},mouseout:function(){cleartimeout(that.autoplayer);that.autoplayer = settimeout(function(){that.doaction('next')},that.timer);}})}
            if(this.rbtnflag){$(this.rbtnid).live({mouseover:function(){cleartimeout(that.autoplayer);},mouseout:function(){cleartimeout(that.autoplayer);that.autoplayer = settimeout(function(){that.doaction('next')},that.timer);}})}
            if(this.btnlistflag){$(this.btnid).live({mouseover:function(){cleartimeout(that.autoplayer);},mouseout:function(){cleartimeout(that.autoplayer);that.autoplayer = settimeout(function(){that.doaction('next')},that.timer);}})}
            $(this.focusboxid).live({mouseover:function(){cleartimeout(that.autoplayer);},mouseout:function(){cleartimeout(that.autoplayer);that.autoplayer = settimeout(function(){that.doaction('next')},that.timer);}});
        }
    },
    btninit : function(){
        var that = this;
        if(this.lbtnflag){$(this.lbtnid).live('click',function(){that.doaction('prev');});}
        if(this.rbtnflag){$(this.rbtnid).live('click',function(){that.doaction('next');});}
        if(this.btnlistflag)
        {   
            $(this.btnid).children(this.btnsondiv).bind('click',function(){
                var pos = $(this).prevall(that.btnsondiv).size();
                that.doactionmulty(pos);
            });
        }
    },
    actioninit : function(){
        switch(this.action)
        {
            case 'scrollx':slideext.actinitscroll(this,'x');break;
            case 'scrolly':slideext.actinitscroll(this,'y');break;
            case 'fade':slideext.actinitfadesoon(this);break;
            case 'fastfade':slideext.actinitfadesoon(this,true);break;
            case 'soon':slideext.actinitfadesoon(this);break;
            default:alert('未知特效,请检查您的action参数配置');
        }
    },
    run : function(){
        if(this.lbtnid&&this.objcheck(this.lbtnid)){this.lbtnflag=true;}
        if(this.rbtnid&&this.objcheck(this.rbtnid)){this.rbtnflag=true;}
        if(this.focusboxid==null&&this.debug&&this.objcheck(this.focusboxid)){alert('滑动内容id:focusboxid 未设置或获取不到对象');}
        if(this.contentdiv==null&&this.debug&&this.objcheck(this.contentdiv)){alert('滑动内容子级标签:contentdiv 未设置或获取不到对象');}
        if(this.step==null&&this.debug&&(this.action=='scrollx'||this.action=='scrolly')){alert('每步滑动距离:step 未设置');}
        if(this.curitemid&&this.objcheck(this.curitemid))
        {
            $(this.curitemid).html(this.curitem+1);this.curitemshowflag=true;
        }
        if(this.btnid&&this.objcheck(this.btnid))
        {
            if(this.btnsondiv==null&&this.debug){alert('小按钮标签:btnsondiv 未设置');}
            if(this.btnsondivhover==null&&this.debug){alert('小按钮标签选中类:btnsondivhover 未设置');}
            this.btnlistflag = true;
        }
        this._init();
    },
    doaction : function(operate){
        switch(this.action)
        {
            case 'scrollx': this.fscrollx(operate);break;
            case 'scrolly': this.fscrolly(operate);break;
            case 'fade': this.ffade(operate);break;
            case 'fastfade': this.ffade(operate,true);break;
            case 'soon': this.fsoon(operate);break;
            default:this.fscrollx(operate);
        }
    },
    doactionmulty : function(pos){
        switch(this.action)
        {
            case 'scrollx': this.fscrollmultyx(pos);break;
            case 'scrolly': this.fscrollmultyy(pos);break;
            case 'fade': this.ffademulty(pos);break;
            case 'fastfade': this.ffademulty(pos,true);break;
            case 'soon': this.fsoonmulty(pos);break;
            default:this.fscrollxmultx(pos);
        }
    },
    objcheck : function(div){
        var obj = $(div);
        return ('object'==typeof(obj))?true:false;
    },
    btnlistoperate : function(pos){
        if(this.btnlistflag)
        {
            var curpos = pos==undefined?this.curbtnitem:pos;
            $(this.btnid).children(this.btnsondiv).removeclass(this.btnsondivhover).eq(curpos).addclass(this.btnsondivhover);                
        }
    },
    itemshow : function(){
        if(this.curitemshowflag)
        {
            $(this.curitemid).html(this.curbtnitem+1);
        }
    },
    callcbfunction : function(){
        if(false!=this.callback&&'function'==typeof(this.callback)){
            this.callback();
        }
    },
    factionready : function(){
        var that = this;
        this.callcbfunction();
        this.itemshow();
        this.mflag = true;
        if(this.autoplay){this.autoplayer = settimeout(function(){that.doaction('next')},that.timer);}
    },
    fscrollx : function(operate){
        if(this.mflag){this.mflag=false;}else{return}
        slideext.scrollxy(this,operate,'left');
    },
    fscrollmultyx : function(pos){
        if(this.mflag){this.mflag=false;}else{return}
        slideext.scrollxymulty(this,'left',pos);
    },
    fscrolly : function(operate){
        if(this.mflag){this.mflag=false;}else{return}
        slideext.scrollxy(this,operate,'top');
    },
    fscrollmultyy : function(pos){
        if(this.mflag){this.mflag=false;}else{return}
        slideext.scrollxymulty(this,'top',pos);
    },
    ffade : function(operate,isfastfade){
        if(this.mflag){this.mflag=false;}else{return}
        var that = this;
        slideext.itemoperatefadesoon(this,operate);
        var tmpheight = this.lis.eq(this.curitem).height();
        $(this.focusboxid).css('height',tmpheight);
        (true===isfastfade)?this.lis.hide():this.lis.fadeout(this.steptime);
        this.lis.eq(this.curitem).fadein(this.steptime,function(){
            that.factionready();
        });
    },
    ffademulty : function(pos,isfastfade){
        if(this.mflag){this.mflag=false;}else{return}
        var that = this;
        if(this.autoplay){cleartimeout(this.autoplayer);}
        var tmpheight = this.lis.eq(pos).height();
        $(this.focusboxid).css('height',tmpheight);
        (true===isfastfade)?this.lis.hide():this.lis.fadeout(this.steptime);
        this.btnlistoperate(pos);
        this.lis.eq(pos).fadein(this.steptime,function(){
           that.curbtnitem = that.curitem = pos;
           that.factionready(); 
        });
    },
    fsoon : function(operate){
        if(this.mflag){this.mflag=false;}else{return}
        var that = this;
        slideext.itemoperatefadesoon(this,operate);
        this.lis.hide();
        this.lis.eq(this.curitem).show();
        this.factionready();
    },
    fsoonmulty : function(pos){
        if(this.mflag){this.mflag=false;}else{return}
        var that = this;
        if(this.autoplay){cleartimeout(this.autoplayer);}
        this.lis.hide();
        this.lis.eq(pos).show();
        this.btnlistoperate(pos);
        this.curbtnitem = this.curitem = pos;
        this.factionready(); 
    }
}

//extension function
slideext = {
    actinitscroll : function(that,scroll){
        var lr,hw,divfloat,fpos=0;
        if(that.cycleflag){
            that.fli = that.lis.eq(0);
            that.eli = that.lis.eq(that.lissize-1);
            $(that.focusboxid).append('<'+that.contentdiv+'>'+that.fli.html()+'</'+that.contentdiv+'>');
            $(that.focusboxid).html('<'+that.contentdiv+'>'+that.eli.html()+'</'+that.contentdiv+'>'+$(that.focusboxid).html());
            fpos=that.step;
        }
        if(scroll=='y'){lr='top';hw='height';divfloat='none';}else{lr='left';hw='width';divfloat='left';}
        $(that.focusboxid).children(that.contentdiv).css('float',divfloat);
        $(that.focusboxid).css('position','absolute');
        $(that.focusboxid).css(hw,'39000px');
        $(that.focusboxid).css(lr,'-'+fpos+'px');
    },
    actinitfadesoon : function(that,isfastfade){
        if(true===isfastfade){
            that.lis.css('position','relative');
        }else{
            that.lis.css('position','absolute');
            that.lis.css('left','0px');
        }
        that.lis.hide().eq(0).show();
        window.onresize = function()
        {
            $(that.focusboxid).css('height',0);  
        }
    },
    itemoperatefadesoon : function(that,operate){
        if(that.autoplay){cleartimeout(that.autoplayer);}
        if(operate=='prev'){
            that.curitem--;
            that.curbtnitem--;
        }else{
            that.curitem++;
            that.curbtnitem++;
        }
        if(that.curitem>=that.lissize){
            that.curitem = 0;
        }else if(that.curitem<0){
            that.curitem = that.lissize-1;
        }
        if(that.curbtnitem>=that.lissize){
            that.curbtnitem = 0;
        }else if(that.curbtnitem<0){
            that.curbtnitem = that.lissize-1;
        }
        that.btnlistoperate();
    },
    scrollxy : function(that,operate,lt){
        var poslt;
        if(that.autoplay){cleartimeout(that.autoplayer);}
        if(operate=='prev'){
            if(!that.cycleflag){
                if(that.curbtnitem<=0){
                    that.factionready();
                    return;
                }
            }
            var mstep = that.step;
            that.curitem++;
            that.curbtnitem--;
        }else{
            if(!that.cycleflag){
                if((that.curbtnitem+that.showitemnum)>that.lissize-1){
                    that.factionready();
                    return;
                }
            }
            var mstep =-that.step;
            that.curitem--;
            that.curbtnitem++;
        }
        if(that.curbtnitem>=that.lissize){
            that.curbtnitem = 0;
        }else if(that.curbtnitem<0){
            that.curbtnitem = that.lissize-1;
        }
        that.btnlistoperate();
        if(lt=='top'){
            poslt = $(that.focusboxid).position().top;
            $(that.focusboxid).animate({'top':poslt+mstep+that.humanfix+'px'},that.steptime,function(){
                slideext.afterscroll(that,lt);
            });
        }else{
            poslt = $(that.focusboxid).position().left;
            $(that.focusboxid).animate({'left':poslt+mstep+that.humanfix+'px'},that.steptime,function(){
                slideext.afterscroll(that,lt);
            });    
        }
    },
    scrollxymulty : function(that,lt,pos){
        if(that.autoplay){cleartimeout(that.autoplayer);}
        that.btnlistoperate(pos);
        if(lt=='top'){
            $(that.focusboxid).animate({'top':-(pos*that.step)-that.step+that.humanfixmulty+'px'},that.steptime,function(){
                slideext.afterscrollmulty(that,pos);
            });   
        }else{
            $(that.focusboxid).animate({'left':-(pos*that.step)-that.step+that.humanfixmulty+'px'},that.steptime,function(){
                slideext.afterscrollmulty(that,pos);
            });
        }
    },
    afterscroll : function(that,lt){
        if(that.curitem<-that.lissize+1){
            that.curitem = 0;
            $(that.focusboxid).css(lt,'-'+that.step+'px');
        }else if(that.curitem>0){
            that.curitem = -that.lissize+1;
            $(that.focusboxid).css(lt,'-'+(that.step*(that.lissize))+'px');
        }
        that.factionready();
    },
    afterscrollmulty : function(that,pos){
        that.curbtnitem = pos;
        that.curitem = -that.curbtnitem;
        that.factionready();
    }
}

//other extension
otherext = {
    getos : function()  
    {  
       if(navigator.useragent.indexof("msie")>0)  
       {   
            if(navigator.useragent.indexof("msie 6.0")>0)  
            {   
            return "msie6"; 
            }   
            if(navigator.useragent.indexof("msie 7.0")>0)  
            {  
            return "msie7"; 
            }   
            if(navigator.useragent.indexof("msie 8.0")>0)  
            {  
            return "msie8"; 
            }   
            if(navigator.useragent.indexof("msie 9.0")>0)  
            {  
            return "msie9"; 
            }
       }
       if(isfirefox=navigator.useragent.indexof("firefox")>0){  
            return "firefox";  
       }  
       if(issafari=navigator.useragent.indexof("safari")>0) {  
            return "safari";  
       }   
       if(iscamino=navigator.useragent.indexof("camino")>0){  
            return "camino";  
       }  
       if(ismozilla=navigator.useragent.indexof("gecko/")>0){  
            return "gecko";  
       }
    }  
}