/**
 * 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";       }
    }}