// 图片与加载
(function() {
    if (location.href === "http://ce.sysu.edu.cn/") {
        var urls = ['dist/images/list/aEvent.png', 'dist/images/list/aPencil.png', 'dist/images/list/aBubble.png', 'dist/images/list/people-active.png', 'dist/images/list/areport.png', 'dist/images/greenIcon.png'];
        var baseurl = location.href;

        for (var i = 0, len = urls.length; i < len; i++) {
            var img = new Image();
            img.src = baseurl + urls[i];
        }
    }
})();

/*用于小屏的dropMenu*/
!function(a, b) {
    function c(a) {
        if (1 == a.touches.length)
            switch (a.type) {
            case "touchstart":
                i.x = a.touches[0].pageX,
                i.y = a.touches[0].pageY,
                i.distanceX = 0,
                i.distanceY = 0;
                break;
            case "touchend":
                break;
            case "touchmove":
                i.distanceX = a.touches[0].pageX - i.x,
                i.distanceY = a.touches[0].pageY - i.y
            }
    }
    var d = b.dispatchEvent
      , e = b.createElement("div");
    e.id = "state-indicator",
    b.body.appendChild(e);
    var f = "D"
      , g = !1
      , h = {
        func_navItemHoverToggler: 0
    }
      , i = {
        x: 0,
        y: 0,
        distanceX: 0,
        distanceY: 0
    };
    d && (b.addEventListener("touchstart", c, !1),
    b.addEventListener("touchend", c, !1),
    b.addEventListener("touchmove", c, !1)),
    $.extend({
        getDevicesState: function() {
            var b = d ? parseInt(a.getComputedStyle(e).getPropertyValue("z-index"), 10) : 1
              , c = {
                1: "D",
                2: "L",
                3: "M",
                4: "S",
                5: "P"
            };
            return c[b] || "D"
        },
        // tab: function(a, b) {
        //     for (var c = $("." + a).find("." + a + "_item"), d = $("." + b).find("." + b + "_item"), e = 0; e < c.length; e++)
        //         c.eq(e).hover(function() {
        //             $(this).addClass("title_specBg"),
        //             $(this).siblings().removeClass("title_specBg"),
        //             d.eq($(this).index()).show().siblings().hide()
        //         }
        //         )
        // },
        // tabTrangle: function(a, b) {
        //     for (var c = $("." + a).find("." + a + "_item"), d = 0; d < c.length; d++)
        //         c.eq(d).hover(function() {
        //             var c = $("." + a).find("." + a + "_item").size()
        //               , d = "" + (2 * $(this).index() + 1) / c * 50 + "%";
        //             $("." + b).animate({
        //                 left: d
        //             }, 500)
        //         }
        //         )
        // },
        cardToggler: function(a) {
            $("." + a).hover(function() {
                $(this).find("." + a + "_box").stop().delay(50).animate({
                    top: 0,
                    opacity: .8
                }, 300)
            }
            , function() {
                $(this).find("." + a + "_box").stop().animate({
                    top: -1 * $(this).height(),
                    opacity: 0
                }, 300)
            }
            ),
            g && $("." + a).hover(function() {
                $(this).find(".hope_card_hoverShow_main").stop().delay(50).animate({
                    opacity: .8
                }, 300),
                $(this).find(".hope_card_hoverShow_readmore").stop().delay(50).animate({
                    opacity: .8
                }, 300)
            }
            , function() {
                $(this).find(".hope_card_hoverShow_main").stop().animate({
                    opacity: 0
                }, 300),
                $(this).find(".hope_card_hoverShow_readmore").stop().animate({
                    opacity: 0
                }, 300)
            }
            )
        },
        ContentReplace: function(a, b, c) {
            for (var a = a || document, d = 0; d < a.length; d++) {
                var e = a.eq(d)
                  , f = new RegExp(b);
                e.html().match(f) && e.html(e.html().replace(new RegExp(b), c))
            }
            return this
        },
        pagerHandler: function() {
        $.ContentReplace($(".main_pager_mobile a"), "上一页", "<").ContentReplace($(".main_pager_mobile a"), "下一页", ">").ContentReplace($(".main_pager_mobile a"), "第一页", "<<").ContentReplace($(".main_pager_mobile a"), "最后一页", ">>")
        },
        headerClickToggler: function(a) {
            $("#" + a).bind("click", function() {
                $("#" + a + "_data").toggle(300)
            }
            )
        },
        navItemHoverToggler: function() {
            $("*[data-toggler=drop]").hover(function() {
                $(this).find(".js_dropdown").stop().delay(30).fadeIn('easing')
            }
            , function() {
                $(this).find(".js_dropdown").stop().fadeOut(50)
            }
            )
        },
        goTop: function(a) {
            void 0 == a && (a = "goTop");
            var b = $("#" + a);
            b && ($(window).scroll(function() {
                0 != $(this).scrollTop() ? b.fadeIn() : b.fadeOut()
            }
            ),
            b.click(function() {
                $("body,html").animate({
                    scrollTop: 0
                }, 800)
            }
            ))
        }
    }),
    $(b).ready(function() {
        f = $.getDevicesState();
        var b = ["nav", "search"];
        switch ($.each(b, function(a) {
            $.headerClickToggler("js_toggler_" + b[a])
        }
        ),
        f) {
        case "P":
        case "S":
            break;
        case "M":
        case "L":
        case "D":
            h.func_navItemHoverToggler = 1,
            $.navItemHoverToggler()
        }
        $(a).resize(function() {
            switch (f = $.getDevicesState()) {
            case "P":
            case "S":
                1 == h.func_navItemHoverToggler && ($("*[data-toggler=drop]").unbind("mouseenter mouseleave"),
                h.func_navItemHoverToggler = 0),
                $.each(b, function(a) {
                    $("#js_toggler_" + b[a] + "_data").css("display", "none")
                }
                );
                break;
            case "M":
            case "L":
            case "D":
                0 == h.func_navItemHoverToggler && (h.func_navItemHoverToggler = 1,
                $.navItemHoverToggler()),
                $.each(b, function(a) {
                    "nav" == b[a] ? $("#js_toggler_" + b[a] + "_data").css("display", "none") : $("#js_toggler_" + b[a] + "_data").css("display", "block")
                }
                )
            }
        }
        )
    }
    )
}
(self, self.document);

(function(global,DOC){
    var W3C = DOC.dispatchEvent;
    var ie678 = '\v' === 'v';

    //touch修复
    var touchPosition = {
        x:0,
        y:0,
        distanceX:0,
        distanceY:0
    };
    function handleTouchEvent(event) {
        //只跟踪一次触摸
        if (event.touches.length == 1) {
            switch (event.type) {
                case "touchstart":
                    touchPosition.x = event.touches[0].pageX;
                    touchPosition.y = event.touches[0].pageY;
                    touchPosition.distanceX = 0;
                    touchPosition.distanceY = 0;
                    break;
                case "touchend":
                    break;
                case "touchmove":
                    //event.preventDefault();
                    touchPosition.distanceX = event.touches[0].pageX - touchPosition.x;
                    touchPosition.distanceY = event.touches[0].pageY - touchPosition.y;
                    break;
            }
        }
    }
    if(W3C){
        DOC.addEventListener("touchstart", handleTouchEvent, false);
        DOC.addEventListener("touchend", handleTouchEvent, false);
        DOC.addEventListener("touchmove", handleTouchEvent, false);
    }
    $.extend({
        slider:function(idname,pre,next,timer){
            (function(idname,pre,next,timer){
                //touch position
                var x,y;
                var id = $("#"+idname);
                if(!id){
                    return;
                }
                $li = id.find("li");
                var $sliderTextItem = id.find(".sliderTextItem");
                var length = $li.length;
                var $windowWidth = $(window).width();
                var fun = setInterval(slide,timer);
                $("#"+next).click(function(){               
                    slide(1);
                    clearInterval(fun);
                    fun = setInterval(slide,timer);
                });
                $("#"+pre).click(function(){            
                    slide(-1);
                    clearInterval(fun);
                    fun = setInterval(slide,timer);
                });

                //for touch
                for(var i=0;i<length;i++){
                    var item = $li.eq(i);

                    item
                        .on("touchstart",function(e){
                            e.preventDefault();
                            clearInterval(fun);
                            $(this).css("z-index","10");
                            // $sliderTextItem.eq($(this).index()).removeClass("js_slider_now")
                            //          .animate({'right':-500,'opacity':0},500)
                            //          .animate({'right':2000,'opacity':0},0)

                            if($(this).index()==(length-1)){
                                $li.eq(0).addClass("js_slider_now")
                                                        .animate({'opacity':1},{queue:false,duration:100})
                                                        .css("z-index","5");
                            }else{
                                $li.eq($(this).index()+1).addClass("js_slider_now")
                                                            .animate({'opacity':1},{queue:false,duration:100})
                                                            .css("z-index","5");
                                        }
                            })
                        .on("touchmove",function(e){
                            e.preventDefault();
                            $(this).css("left", touchPosition.distanceX+"px")
                                        .css("top", touchPosition.distanceY+"px");
                        })
                        .on("touchend",function(e){
                            e.preventDefault();
                            $(this).removeClass("js_slider_now")
                                        .animate({'opacity':0},{queue:false,duration:100})
                                        .css("left",0).css("top",0).css("z-index","1");
                            fun = setInterval(slide,timer);
                        })

                }
                function slide(action){
                    var i = id.find(".js_slider_now").index();
                    // var $sliderTextItem = id.find(".sliderTextItem");
                    // var sliderTextRight = 5 * $(window).width() / 100;

                    if($li.eq(i).is(":animated"))
                    {
                        return;
                    }
                    if(!action) action = 1;
                    action += i;
                    if( action < 0 || action >= length)
                    {
                        action = (action < 0)?(length -1):0;
                    }         
                        //animate for sliderText
                        // $sliderTextItem.eq(i).removeClass("js_slider_now").animate({'right':-500,'opacity':0},500)
                        //                                       .animate({'right':2000,'opacity':0},0)
                        //                                       .parent().find("a").eq(action).addClass("js_slider_now")
                        //                                       .animate({'right':2000,'opacity':0},0)
                        //                                       .animate({'right':sliderTextRight ,'opacity':1},1500)
                        //                                       .animate({'right':sliderTextRight ,'opacity':1},1000);
                        //animate for slider                    
                        $li.eq(i).removeClass("js_slider_now").animate({'opacity':0},{queue:false,duration:3000})
                                            .parent().find("li").eq(action).addClass("js_slider_now")
                                            .animate({'opacity':1},{queue:false,duration:3000});                      
                } 
            })(idname,pre,next,timer)
        },

        sliderHeightCtrl:function(width,height,slider){
            var windowWidth = $(window).width();
            if(windowWidth<width){
                var needHeight = windowWidth * height/width;
                var needWidth = needHeight * width/height;
                $("."+slider).css("height",needHeight);
            }else{
                $("."+slider).css("height",height);
            }
        }
    })
})(self,self.document)

// search char judge
$().ready(function(){
    $("input.keyword").focus(function(){
        var searchVal = $(this).val();
        if(searchVal == "关键字"){
            $(this).val("");
        }
    })
    $("input.keyword").blur(function(){
        var searchVal = $(this).val();
        if(searchVal == ""){
            $(this).val("关键字");
        }
    })
    $("input.searchbtn").click(function(){
        var searchVal = $("input.keyword").val();
        if(searchVal == "关键字" || searchVal == ""){
        alert("请输入关键字！");
        return false;
        }
    })
})